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Conserved domains on  [gi|16129485|ref|NP_416043|]
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putative DNA-binding transcriptional regulator YneJ [Escherichia coli str. K-12 substr. MG1655]

Protein Classification

LysR family transcriptional regulator( domain architecture ID 13302322)

LysR family transcriptional regulator with an N-terminal DNA binding motif and a C-terminal inducer binding domain

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
PBP2_YofA_SoxR_like cd08442
The C-terminal substrate binding domain of LysR-type transcriptional regulators, YofA and SoxR, ...
90-282 2.19e-99

The C-terminal substrate binding domain of LysR-type transcriptional regulators, YofA and SoxR, contains the type 2 periplasmic binding fold; YofA is a LysR-like transcriptional regulator of cell growth in Bacillus subtillis. YofA controls cell viability and the formation of constrictions during cell division. YofaA positively regulates expression of the cell division gene ftsW, and thus is essential for cell viability during stationary-phase growth of Bacillus substilis. YofA shows significant homology to SoxR from Arthrobacter sp. TE1826. SoxR is a negative regulator for the sarcosine oxidase gene soxA. Sarcosine oxidase catalyzes the oxidative demethylation of sarcosine, which is involved in the metabolism of creatine and choline. The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


:

Pssm-ID: 176133  Cd Length: 193  Bit Score: 289.51  E-value: 2.19e-99
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  90 LFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQ 169
Cdd:cd08442   1 PLRLGSMETTAAVRLPPLLAAYHARYPKVDLSLSTGTTGALIQAVLEGRLDGAFVAGPVEHPRLEQEPVFQEELVLVSPK 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 170 GYAPVTRASQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGHHQVE 249
Cdd:cd08442  81 GHPPVSRAEDLAGSTLLAFRAGCSYRRRLEDWLAEEGVSPGKIMEFGSYHAILGCVAAGMGIALLPRSVLDSLQGRGSVS 160
                       170       180       190
                ....*....|....*....|....*....|...
gi 16129485 250 AWPLAEQWRWLTTWLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08442 161 IHPLPEPFADVTTWLVWRKDSFTAALQAFLDLL 193
PRK12680 super family cl32804
LysR family transcriptional regulator;
1-172 3.33e-20

LysR family transcriptional regulator;


The actual alignment was detected with superfamily member PRK12680:

Pssm-ID: 183677 [Multi-domain]  Cd Length: 327  Bit Score: 88.91  E-value: 3.33e-20
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAG-SITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLR-LSPAGHNFLRYSQQILALVDEA 78
Cdd:PRK12680   1 MTLTQLRYLVAIADAElNITLAAARVHATQPGLSKQLKQLEDELGFLLFVRKGRSLEsVTPAGVEVIERARAVLSEANNI 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   79 RSVVAGD--EPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINH-TAIDG 155
Cdd:PRK12680  81 RTYAANQrrESQGQLTLTTTHTQARFVLPPAVAQIKQAYPQVSVHLQQAAESAALDLLGQGDADIAIVSTAGGEpSAGIA 160
                        170
                 ....*....|....*..
gi 16129485  156 IPVYREELMIVTPQGYA 172
Cdd:PRK12680 161 VPLYRWRRLVVVPRGHA 177
 
Name Accession Description Interval E-value
PBP2_YofA_SoxR_like cd08442
The C-terminal substrate binding domain of LysR-type transcriptional regulators, YofA and SoxR, ...
90-282 2.19e-99

The C-terminal substrate binding domain of LysR-type transcriptional regulators, YofA and SoxR, contains the type 2 periplasmic binding fold; YofA is a LysR-like transcriptional regulator of cell growth in Bacillus subtillis. YofA controls cell viability and the formation of constrictions during cell division. YofaA positively regulates expression of the cell division gene ftsW, and thus is essential for cell viability during stationary-phase growth of Bacillus substilis. YofA shows significant homology to SoxR from Arthrobacter sp. TE1826. SoxR is a negative regulator for the sarcosine oxidase gene soxA. Sarcosine oxidase catalyzes the oxidative demethylation of sarcosine, which is involved in the metabolism of creatine and choline. The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176133  Cd Length: 193  Bit Score: 289.51  E-value: 2.19e-99
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  90 LFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQ 169
Cdd:cd08442   1 PLRLGSMETTAAVRLPPLLAAYHARYPKVDLSLSTGTTGALIQAVLEGRLDGAFVAGPVEHPRLEQEPVFQEELVLVSPK 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 170 GYAPVTRASQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGHHQVE 249
Cdd:cd08442  81 GHPPVSRAEDLAGSTLLAFRAGCSYRRRLEDWLAEEGVSPGKIMEFGSYHAILGCVAAGMGIALLPRSVLDSLQGRGSVS 160
                       170       180       190
                ....*....|....*....|....*....|...
gi 16129485 250 AWPLAEQWRWLTTWLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08442 161 IHPLPEPFADVTTWLVWRKDSFTAALQAFLDLL 193
LysR COG0583
DNA-binding transcriptional regulator, LysR family [Transcription];
1-282 7.45e-61

DNA-binding transcriptional regulator, LysR family [Transcription];


Pssm-ID: 440348 [Multi-domain]  Cd Length: 256  Bit Score: 193.54  E-value: 7.45e-61
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:COG0583   1 MDLRQLRAFVAVAEEGSFTAAAERLGVSQPAVSRQIRRLEEELGVPLFERTGRGLRLTEAGERLLERARRILAELEEAEA 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  81 VVAG--DEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPV 158
Cdd:COG0583  81 ELRAlrGGPRGTLRIGAPPSLARYLLPPLLARFRARHPGVRLELREGNSDRLVDALLEGELDLAIRLGPPPDPGLVARPL 160
                       170       180       190       200       210       220       230       240
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 159 YREELMIVTPQGYAPVTRASQVNgsniyafrancsyrrhfeswfhadgaapgtihemeSYHGMLACVIAGAGIALIPRSM 238
Cdd:COG0583 161 GEERLVLVASPDHPLARRAPLVN-----------------------------------SLEALLAAVAAGLGIALLPRFL 205
                       250       260       270       280
                ....*....|....*....|....*....|....*....|....*
gi 16129485 239 LESMPGHHQVEAWPLAEQWRWLTTWLVWRRGAKTRP-LEAFIQLL 282
Cdd:COG0583 206 AADELAAGRLVALPLPDPPPPRPLYLVWRRRRHLSPaVRAFLDFL 250
LysR_substrate pfam03466
LysR substrate binding domain; The structure of this domain is known and is similar to the ...
88-282 7.23e-42

LysR substrate binding domain; The structure of this domain is known and is similar to the periplasmic binding proteins. This domain binds a variety of ligands that caries in size and structure, such as amino acids, sugar phosphates, organic acids, metal cations, flavonoids, C6-ring carboxylic acids, H2O2, HOCl, homocysteine, NADPH, ATP, sulphate, muropeptides, acetate, salicylate, citrate, phenol- and quinolone derivatives, acetylserines, fatty acid CoA, shikimate, chorismate, homocysteine, indole-3-acetic acid, Na(I), c-di-GMP, ppGpp and hydrogen peroxide (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).


Pssm-ID: 460931 [Multi-domain]  Cd Length: 205  Bit Score: 143.20  E-value: 7.23e-42
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    88 QGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVT 167
Cdd:pfam03466   1 SGRLRIGAPPTLASYLLPPLLARFRERYPDVELELTEGNSEELLDLLLEGELDLAIRRGPPDDPGLEARPLGEEPLVLVA 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   168 PQGY-----APVTRAsQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESM 242
Cdd:pfam03466  81 PPDHplargEPVSLE-DLADEPLILLPPGSGLRDLLDRALRAAGLRPRVVLEVNSLEALLQLVAAGLGIALLPRSAVARE 159
                         170       180       190       200
                  ....*....|....*....|....*....|....*....|.
gi 16129485   243 PGHHQVEAWPLAEQWRWLTTWLVWRRGAKTRP-LEAFIQLL 282
Cdd:pfam03466 160 LADGRLVALPLPEPPLPRELYLVWRKGRPLSPaVRAFIEFL 200
LysR_Sec_metab NF040786
selenium metabolism-associated LysR family transcriptional regulator; LysR family ...
1-283 1.73e-31

selenium metabolism-associated LysR family transcriptional regulator; LysR family transcriptional regulators regularly appear encoded adjacent to selenecysteine incorporation proteins such as SelB. This model represents one especially well-conserved subgroup of such transcription factors from species such as Merdimonas faecis, Sellimonas intestinalis, Syntrophotalea acetylenica, and Hydrogenivirga caldilitoris. Seed alignment members were selected by proximity to selB, but not all family members are expected to have similar genomic locations.


Pssm-ID: 468737 [Multi-domain]  Cd Length: 298  Bit Score: 118.87  E-value: 1.73e-31
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:NF040786   1 MNLKQLEAFVNVAEYKSFSKAAKKLFLTQPTISAHISSLEKELGVRLFVRNTKEVSLTEDGKLLYEYAKEMLDLWEKLEE 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VVA--GDEPQGLFSLGSleSTaavrIPAT------LAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTA 152
Cdd:NF040786  81 EFDryGKESKGVLRIGA--ST----IPGQyllpelLKKFKEKYPNVRFKLMISDSIKVIELLLEGEVDIGFTGTKLEKKR 154
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  153 IDGIPVYREELMIVTPqgyaPVTRASQVNGSNI---------YAFRANCS-YRRHFESWFHADGAAP---GTIHEMESYH 219
Cdd:NF040786 155 LVYTPFYKDRLVLITP----NGTEKYRMLKEEIsiselqkepFIMREEGSgTRKEAEKALKSLGISLedlNVVASLGSTE 230
                        250       260       270       280       290       300
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 16129485  220 GMLACVIAGAGIALIPRSMLESMPGHHQVEAWPLAEQWRWLTTWLVWRRGAK-TRPLEAFIQLLD 283
Cdd:NF040786 231 AIKQSVEAGLGISVISELAAEKEVERGRVLIFPIPGLPKNRDFYLVYNKNRQlSPTAEAFLQFVK 295
PRK09906 PRK09906
DNA-binding transcriptional regulator HcaR; Provisional
1-283 5.97e-21

DNA-binding transcriptional regulator HcaR; Provisional


Pssm-ID: 182137 [Multi-domain]  Cd Length: 296  Bit Score: 90.21  E-value: 5.97e-21
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK09906   1 MELRHLRYFVAVAEELNFTKAAEKLHTAQPSLSQQIKDLENCVGVPLLVRDKRKVALTAAGEVFLQDARAILEQAEKAKL 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VV--AGDEPQGLfSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPV 158
Cdd:PRK09906  81 RArkIVQEDRQL-TIGFVPSAEVNLLPKVLPMFRLRHPDTLIELVSLITTQQEEKLRRGELDVGFMRHPVYSDEIDYLEL 159
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  159 YREELMIVTPQGYaPVTR-----ASQVNGSNIYAFRANCS--YRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGI 231
Cdd:PRK09906 160 LDEPLVVVLPVDH-PLAHekeitAAQLDGVNFISTDPAYSgsLAPIIKAWFAQHNSQPNIVQVATNILVTMNLVGMGLGC 238
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|..
gi 16129485  232 ALIPRSMLESMPGhhQVEAWPLAEQWRWLTTWLVWRRGAKTRPLEAFIQLLD 283
Cdd:PRK09906 239 TIIPGYMNNFNTG--QVVFRPLAGNVPSIALLMAWKKGEMKPALRDFIAIVQ 288
PRK12680 PRK12680
LysR family transcriptional regulator;
1-172 3.33e-20

LysR family transcriptional regulator;


Pssm-ID: 183677 [Multi-domain]  Cd Length: 327  Bit Score: 88.91  E-value: 3.33e-20
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAG-SITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLR-LSPAGHNFLRYSQQILALVDEA 78
Cdd:PRK12680   1 MTLTQLRYLVAIADAElNITLAAARVHATQPGLSKQLKQLEDELGFLLFVRKGRSLEsVTPAGVEVIERARAVLSEANNI 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   79 RSVVAGD--EPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINH-TAIDG 155
Cdd:PRK12680  81 RTYAANQrrESQGQLTLTTTHTQARFVLPPAVAQIKQAYPQVSVHLQQAAESAALDLLGQGDADIAIVSTAGGEpSAGIA 160
                        170
                 ....*....|....*..
gi 16129485  156 IPVYREELMIVTPQGYA 172
Cdd:PRK12680 161 VPLYRWRRLVVVPRGHA 177
HTH_1 pfam00126
Bacterial regulatory helix-turn-helix protein, lysR family;
3-62 7.61e-18

Bacterial regulatory helix-turn-helix protein, lysR family;


Pssm-ID: 459683 [Multi-domain]  Cd Length: 60  Bit Score: 75.50  E-value: 7.61e-18
                          10        20        30        40        50        60
                  ....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485     3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGH 62
Cdd:pfam00126   1 LRQLRLFVAVAETGSFTAAAERLGLSQPAVSRQIKRLEEELGVPLFERTTRGVRLTEAGE 60
COG4190 COG4190
Predicted transcriptional regulator, contains HTH domain [Transcription];
6-56 6.14e-03

Predicted transcriptional regulator, contains HTH domain [Transcription];


Pssm-ID: 443344  Cd Length: 121  Bit Score: 36.03  E-value: 6.14e-03
                        10        20        30        40        50
                ....*....|....*....|....*....|....*....|....*....|...
gi 16129485   6 LEMFNAVAEAG--SITQAAAKVHRVPSNLTTRLRQLEtELGVDLFIRENQRLR 56
Cdd:COG4190  55 LELLRAIAEEGpeSIRELARRLGRDVKNVHRDLKTLE-ELGLVELEEDGRAKR 106
 
Name Accession Description Interval E-value
PBP2_YofA_SoxR_like cd08442
The C-terminal substrate binding domain of LysR-type transcriptional regulators, YofA and SoxR, ...
90-282 2.19e-99

The C-terminal substrate binding domain of LysR-type transcriptional regulators, YofA and SoxR, contains the type 2 periplasmic binding fold; YofA is a LysR-like transcriptional regulator of cell growth in Bacillus subtillis. YofA controls cell viability and the formation of constrictions during cell division. YofaA positively regulates expression of the cell division gene ftsW, and thus is essential for cell viability during stationary-phase growth of Bacillus substilis. YofA shows significant homology to SoxR from Arthrobacter sp. TE1826. SoxR is a negative regulator for the sarcosine oxidase gene soxA. Sarcosine oxidase catalyzes the oxidative demethylation of sarcosine, which is involved in the metabolism of creatine and choline. The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176133  Cd Length: 193  Bit Score: 289.51  E-value: 2.19e-99
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  90 LFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQ 169
Cdd:cd08442   1 PLRLGSMETTAAVRLPPLLAAYHARYPKVDLSLSTGTTGALIQAVLEGRLDGAFVAGPVEHPRLEQEPVFQEELVLVSPK 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 170 GYAPVTRASQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGHHQVE 249
Cdd:cd08442  81 GHPPVSRAEDLAGSTLLAFRAGCSYRRRLEDWLAEEGVSPGKIMEFGSYHAILGCVAAGMGIALLPRSVLDSLQGRGSVS 160
                       170       180       190
                ....*....|....*....|....*....|...
gi 16129485 250 AWPLAEQWRWLTTWLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08442 161 IHPLPEPFADVTTWLVWRKDSFTAALQAFLDLL 193
LysR COG0583
DNA-binding transcriptional regulator, LysR family [Transcription];
1-282 7.45e-61

DNA-binding transcriptional regulator, LysR family [Transcription];


Pssm-ID: 440348 [Multi-domain]  Cd Length: 256  Bit Score: 193.54  E-value: 7.45e-61
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:COG0583   1 MDLRQLRAFVAVAEEGSFTAAAERLGVSQPAVSRQIRRLEEELGVPLFERTGRGLRLTEAGERLLERARRILAELEEAEA 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  81 VVAG--DEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPV 158
Cdd:COG0583  81 ELRAlrGGPRGTLRIGAPPSLARYLLPPLLARFRARHPGVRLELREGNSDRLVDALLEGELDLAIRLGPPPDPGLVARPL 160
                       170       180       190       200       210       220       230       240
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 159 YREELMIVTPQGYAPVTRASQVNgsniyafrancsyrrhfeswfhadgaapgtihemeSYHGMLACVIAGAGIALIPRSM 238
Cdd:COG0583 161 GEERLVLVASPDHPLARRAPLVN-----------------------------------SLEALLAAVAAGLGIALLPRFL 205
                       250       260       270       280
                ....*....|....*....|....*....|....*....|....*
gi 16129485 239 LESMPGHHQVEAWPLAEQWRWLTTWLVWRRGAKTRP-LEAFIQLL 282
Cdd:COG0583 206 AADELAAGRLVALPLPDPPPPRPLYLVWRRRRHLSPaVRAFLDFL 250
LysR_substrate pfam03466
LysR substrate binding domain; The structure of this domain is known and is similar to the ...
88-282 7.23e-42

LysR substrate binding domain; The structure of this domain is known and is similar to the periplasmic binding proteins. This domain binds a variety of ligands that caries in size and structure, such as amino acids, sugar phosphates, organic acids, metal cations, flavonoids, C6-ring carboxylic acids, H2O2, HOCl, homocysteine, NADPH, ATP, sulphate, muropeptides, acetate, salicylate, citrate, phenol- and quinolone derivatives, acetylserines, fatty acid CoA, shikimate, chorismate, homocysteine, indole-3-acetic acid, Na(I), c-di-GMP, ppGpp and hydrogen peroxide (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043).


Pssm-ID: 460931 [Multi-domain]  Cd Length: 205  Bit Score: 143.20  E-value: 7.23e-42
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    88 QGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVT 167
Cdd:pfam03466   1 SGRLRIGAPPTLASYLLPPLLARFRERYPDVELELTEGNSEELLDLLLEGELDLAIRRGPPDDPGLEARPLGEEPLVLVA 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   168 PQGY-----APVTRAsQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESM 242
Cdd:pfam03466  81 PPDHplargEPVSLE-DLADEPLILLPPGSGLRDLLDRALRAAGLRPRVVLEVNSLEALLQLVAAGLGIALLPRSAVARE 159
                         170       180       190       200
                  ....*....|....*....|....*....|....*....|.
gi 16129485   243 PGHHQVEAWPLAEQWRWLTTWLVWRRGAKTRP-LEAFIQLL 282
Cdd:pfam03466 160 LADGRLVALPLPEPPLPRELYLVWRKGRPLSPaVRAFIEFL 200
PBP2_LTTR_substrate cd05466
The substrate binding domain of LysR-type transcriptional regulators (LTTRs), a member of the ...
92-282 5.69e-37

The substrate binding domain of LysR-type transcriptional regulators (LTTRs), a member of the type 2 periplasmic binding fold protein superfamily; This model and hierarchy represent the the substrate-binding domain of the LysR-type transcriptional regulators that form the largest family of prokaryotic transcription factor. Homologs of some of LTTRs with similar domain organizations are also found in the archaea and eukaryotic organisms. The LTTRs are composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The genes controlled by the LTTRs have diverse functional roles including amino acid biosynthesis, CO2 fixation, antibiotic resistance, degradation of aromatic compounds, oxidative stress responses, nodule formation of nitrogen-fixing bacteria, synthesis of virulence factors, toxin production, attachment and secretion, to name a few. The structural topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis. Besides transport proteins, the PBP2 superfamily includes the substrate-binding domains from ionotropic glutamate receptors, LysR-like transcriptional regulators, and unorthodox sensor proteins involved in signal transduction.


Pssm-ID: 176102 [Multi-domain]  Cd Length: 197  Bit Score: 130.41  E-value: 5.69e-37
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  92 SLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGY 171
Cdd:cd05466   3 RIGASPSIAAYLLPPLLAAFRQRYPGVELSLVEGGSSELLEALLEGELDLAIVALPVDDPGLESEPLFEEPLVLVVPPDH 82
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 172 APVTRAS----QVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESmPGHHQ 247
Cdd:cd05466  83 PLAKRKSvtlaDLADEPLILFERGSGLRRLLDRAFAEAGFTPNIALEVDSLEAIKALVAAGLGIALLPESAVEE-LADGG 161
                       170       180       190
                ....*....|....*....|....*....|....*.
gi 16129485 248 VEAWPLAEQWRWLTTWLVWRRGAK-TRPLEAFIQLL 282
Cdd:cd05466 162 LVVLPLEDPPLSRTIGLVWRKGRYlSPAARAFLELL 197
LysR_Sec_metab NF040786
selenium metabolism-associated LysR family transcriptional regulator; LysR family ...
1-283 1.73e-31

selenium metabolism-associated LysR family transcriptional regulator; LysR family transcriptional regulators regularly appear encoded adjacent to selenecysteine incorporation proteins such as SelB. This model represents one especially well-conserved subgroup of such transcription factors from species such as Merdimonas faecis, Sellimonas intestinalis, Syntrophotalea acetylenica, and Hydrogenivirga caldilitoris. Seed alignment members were selected by proximity to selB, but not all family members are expected to have similar genomic locations.


Pssm-ID: 468737 [Multi-domain]  Cd Length: 298  Bit Score: 118.87  E-value: 1.73e-31
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:NF040786   1 MNLKQLEAFVNVAEYKSFSKAAKKLFLTQPTISAHISSLEKELGVRLFVRNTKEVSLTEDGKLLYEYAKEMLDLWEKLEE 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VVA--GDEPQGLFSLGSleSTaavrIPAT------LAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTA 152
Cdd:NF040786  81 EFDryGKESKGVLRIGA--ST----IPGQyllpelLKKFKEKYPNVRFKLMISDSIKVIELLLEGEVDIGFTGTKLEKKR 154
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  153 IDGIPVYREELMIVTPqgyaPVTRASQVNGSNI---------YAFRANCS-YRRHFESWFHADGAAP---GTIHEMESYH 219
Cdd:NF040786 155 LVYTPFYKDRLVLITP----NGTEKYRMLKEEIsiselqkepFIMREEGSgTRKEAEKALKSLGISLedlNVVASLGSTE 230
                        250       260       270       280       290       300
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 16129485  220 GMLACVIAGAGIALIPRSMLESMPGHHQVEAWPLAEQWRWLTTWLVWRRGAK-TRPLEAFIQLLD 283
Cdd:NF040786 231 AIKQSVEAGLGISVISELAAEKEVERGRVLIFPIPGLPKNRDFYLVYNKNRQlSPTAEAFLQFVK 295
PBP2_LTTR_aromatics_like cd08414
The C-terminal substrate binding domain of LysR-type transcriptional regulators involved in ...
91-282 9.16e-25

The C-terminal substrate binding domain of LysR-type transcriptional regulators involved in the catabolism of aromatic compounds and that of other related regulators, contains type 2 periplasmic binding fold; This CD includes the C-terminal substrate binding domain of LTTRs involved in degradation of aromatic compounds, such as CbnR, BenM, CatM, ClcR and TfdR, as well as that of other transcriptional regulators clustered together in phylogenetic trees, including XapR, HcaR, MprR, IlvR, BudR, AlsR, LysR, and OccR. The structural topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis. Besides transport proteins, the PBP2 superfamily includes the substrate-binding domains from ionotropic glutamate receptors, LysR-like transcriptional regulators, and unorthodox sensor proteins involved in signal transduction.


Pssm-ID: 176106 [Multi-domain]  Cd Length: 197  Bit Score: 98.35  E-value: 9.16e-25
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  91 FSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQG 170
Cdd:cd08414   2 LRIGFVGSALYGLLPRLLRRFRARYPDVELELREMTTAEQLEALRAGRLDVGFVRPPPDPPGLASRPLLREPLVVALPAD 81
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 171 YA----PVTRASQVNGSN--IYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMleSMPG 244
Cdd:cd08414  82 HPlaarESVSLADLADEPfvLFPREPGPGLYDQILALCRRAGFTPRIVQEASDLQTLLALVAAGLGVALVPASV--ARLQ 159
                       170       180       190
                ....*....|....*....|....*....|....*...
gi 16129485 245 HHQVEAWPLAEQWRWLTTWLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08414 160 RPGVVYRPLADPPPRSELALAWRRDNASPALRAFLELA 197
PRK09906 PRK09906
DNA-binding transcriptional regulator HcaR; Provisional
1-283 5.97e-21

DNA-binding transcriptional regulator HcaR; Provisional


Pssm-ID: 182137 [Multi-domain]  Cd Length: 296  Bit Score: 90.21  E-value: 5.97e-21
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK09906   1 MELRHLRYFVAVAEELNFTKAAEKLHTAQPSLSQQIKDLENCVGVPLLVRDKRKVALTAAGEVFLQDARAILEQAEKAKL 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VV--AGDEPQGLfSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPV 158
Cdd:PRK09906  81 RArkIVQEDRQL-TIGFVPSAEVNLLPKVLPMFRLRHPDTLIELVSLITTQQEEKLRRGELDVGFMRHPVYSDEIDYLEL 159
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  159 YREELMIVTPQGYaPVTR-----ASQVNGSNIYAFRANCS--YRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGI 231
Cdd:PRK09906 160 LDEPLVVVLPVDH-PLAHekeitAAQLDGVNFISTDPAYSgsLAPIIKAWFAQHNSQPNIVQVATNILVTMNLVGMGLGC 238
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|..
gi 16129485  232 ALIPRSMLESMPGhhQVEAWPLAEQWRWLTTWLVWRRGAKTRPLEAFIQLLD 283
Cdd:PRK09906 239 TIIPGYMNNFNTG--QVVFRPLAGNVPSIALLMAWKKGEMKPALRDFIAIVQ 288
PRK12680 PRK12680
LysR family transcriptional regulator;
1-172 3.33e-20

LysR family transcriptional regulator;


Pssm-ID: 183677 [Multi-domain]  Cd Length: 327  Bit Score: 88.91  E-value: 3.33e-20
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAG-SITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLR-LSPAGHNFLRYSQQILALVDEA 78
Cdd:PRK12680   1 MTLTQLRYLVAIADAElNITLAAARVHATQPGLSKQLKQLEDELGFLLFVRKGRSLEsVTPAGVEVIERARAVLSEANNI 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   79 RSVVAGD--EPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINH-TAIDG 155
Cdd:PRK12680  81 RTYAANQrrESQGQLTLTTTHTQARFVLPPAVAQIKQAYPQVSVHLQQAAESAALDLLGQGDADIAIVSTAGGEpSAGIA 160
                        170
                 ....*....|....*..
gi 16129485  156 IPVYREELMIVTPQGYA 172
Cdd:PRK12680 161 VPLYRWRRLVVVPRGHA 177
PRK11242 PRK11242
DNA-binding transcriptional regulator CynR; Provisional
1-282 4.40e-20

DNA-binding transcriptional regulator CynR; Provisional


Pssm-ID: 183051 [Multi-domain]  Cd Length: 296  Bit Score: 87.70  E-value: 4.40e-20
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK11242   1 MLLRHIRYFLAVAEHGNFTRAAEALHVSQPTLSQQIRQLEESLGVQLFDRSGRTVRLTDAGEVYLRYARRALQDLEAGRR 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VV--AGDEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPV 158
Cdd:PRK11242  81 AIhdVADLSRGSLRLAMTPTFTAYLIGPLIDAFHARYPGITLTIREMSQERIEALLADDELDVGIAFAPVHSPEIEAQPL 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  159 YREELMIVTPQGYAPVTRASQVNGSNIYA-----FRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIAL 233
Cdd:PRK11242 161 FTETLALVVGRHHPLAARRKALTLDELADeplvlLSAEFATREQIDRYFRRHGVTPRVAIEANSISAVLEIVRRGRLATL 240
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|
gi 16129485  234 IPRSMLESMPGHHQVEAWPLAEQwRwlTTWLVWRRGA-KTRPLEAFIQLL 282
Cdd:PRK11242 241 LPAAIAREHDGLCAIPLDPPLPQ-R--TAALLRRKGAyRSAAARAFIELA 287
PBP2_GltC_like cd08434
The substrate binding domain of LysR-type transcriptional regulator GltC, which activates gltA ...
92-282 9.73e-20

The substrate binding domain of LysR-type transcriptional regulator GltC, which activates gltA expression of glutamate synthase operon, contains type 2 periplasmic binding fold; GltC, a member of the LysR family of bacterial transcriptional factors, activates the expression of gltA gene of glutamate synthase operon and is essential for cell growth in the absence of glutamate. Glutamate synthase is a heterodimeric protein that encoded by gltA and gltB, whose expression is subject to nutritional regulation. GltC also negatively auto-regulates its own expression. This substrate-binding domain has strong homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176125 [Multi-domain]  Cd Length: 195  Bit Score: 84.90  E-value: 9.73e-20
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  92 SLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGY 171
Cdd:cd08434   3 RLGFLHSLGTSLVPDLIRAFRKEYPNVTFELHQGSTDELLDDLKNGELDLALCSPVPDEPDIEWIPLFTEELVLVVPKDH 82
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 172 aPVTRASQVN-----GSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGHH 246
Cdd:cd08434  83 -PLAGRDSVDlaelaDEPFVLLSPGFGLRPIVDELCAAAGFTPKIAFEGEEDSTIAGLVAAGLGVAILPEMTLLNPPGVK 161
                       170       180       190
                ....*....|....*....|....*....|....*...
gi 16129485 247 QVeawPLAE-QWRWlTTWLVWRRG-AKTRPLEAFIQLL 282
Cdd:cd08434 162 KI---PIKDpDAER-TIGLAWLKDrYLSPAARRFKDFV 195
PBP2_CysL_like cd08420
C-terminal substrate binding domain of LysR-type transcriptional regulator CysL, which ...
104-282 8.22e-19

C-terminal substrate binding domain of LysR-type transcriptional regulator CysL, which activates the transcription of the cysJI operon encoding sulfite reductase, contains the type 2 periplasmic binding fold; CysL, also known as YwfK, is a regular of sulfur metabolism in Bacillus subtilis. Sulfur is required for the synthesis of proteins and essential cofactors in all living organism. Sulfur can be assimilated either from inorganic sources (sulfate and thiosulfate), or from organic sources (sulfate esters, sulfamates, and sulfonates). CysL activates the transcription of the cysJI operon encoding sulfite reductase, which reduces sulfite to sulfide. Both cysL mutant and cysJI mutant are unable to grow using sulfate or sulfite as the sulfur source. Like other LysR-type regulators, CysL also negatively regulates its own transcription. In Escherichia coli, three LysR-type activators are involved in the regulation of sulfur metabolism: CysB, Cbl and MetR. The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176112 [Multi-domain]  Cd Length: 201  Bit Score: 82.54  E-value: 8.22e-19
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 104 IPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYaPVTRASQVNGS 183
Cdd:cd08420  15 LPRLLARFRKRYPEVRVSLTIGNTEEIAERVLDGEIDLGLVEGPVDHPDLIVEPFAEDELVLVVPPDH-PLAGRKEVTAE 93
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 184 NIYAFR-----ANCSYRRHFESWFHADGAAPGTIH---EMESYHGMLACVIAGAGIALIPRSMLESmpghhqveawPLAE 255
Cdd:cd08420  94 ELAAEPwilrePGSGTREVFERALAEAGLDGLDLNivmELGSTEAIKEAVEAGLGISILSRLAVRK----------ELEL 163
                       170       180       190
                ....*....|....*....|....*....|....*...
gi 16129485 256 QW-RWLTT---------WLVWRRG-AKTRPLEAFIQLL 282
Cdd:cd08420 164 GRlVALPVeglrltrpfSLIYHKDkYLSPAAEAFLEFL 201
rbcR CHL00180
LysR transcriptional regulator; Provisional
3-189 1.34e-18

LysR transcriptional regulator; Provisional


Pssm-ID: 177082 [Multi-domain]  Cd Length: 305  Bit Score: 83.92  E-value: 1.34e-18
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEA-RSV 81
Cdd:CHL00180   7 LDQLRILKAIATEGSFKKAAESLYISQPAVSLQIKNLEKQLNIPLFDRSKNKASLTEAGELLLRYGNRILALCEETcRAL 86
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   82 VAGDEPQ-GLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGI---P 157
Cdd:CHL00180  87 EDLKNLQrGTLIIGASQTTGTYLMPRLIGLFRQRYPQINVQLQVHSTRRIAWNVANGQIDIAIVGGEVPTELKKILeitP 166
                        170       180       190
                 ....*....|....*....|....*....|..
gi 16129485  158 VYREELMIVTPQGYaPVTRASQVNGSNIYAFR 189
Cdd:CHL00180 167 YVEDELALIIPKSH-PFAKLKKIQKEDLYRLN 197
PBP2_LTTR_like_3 cd08436
The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
91-282 1.70e-18

The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator, contains the type 2 periplasmic binding fold; LysR-transcriptional regulators comprise the largest family of prokaryotic transcription factor. Homologs of some of LTTRs with similar domain organizations are also found in the archaea and eukaryotic organisms. The LTTRs are composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The genes controlled by the LTTRs have diverse functional roles including amino acid biosynthesis, CO2 fixation, antibiotic resistance, degradation of aromatic compounds, nodule formation of nitrogen-fixing bacteria, and synthesis of virulence factors, to a name a few. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176127 [Multi-domain]  Cd Length: 194  Bit Score: 81.49  E-value: 1.70e-18
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  91 FSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTA-IDGIPVYREELMIVTPQ 169
Cdd:cd08436   2 LAIGTITSLAAVDLPELLARFHRRHPGVDIRLRQAGSDDLLAAVREGRLDLAFVGLPERRPPgLASRELAREPLVAVVAP 81
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 170 GYaPVTRASQVN-----GSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPG 244
Cdd:cd08436  82 DH-PLAGRRRVAladlaDEPFVDFPPGTGARRQVDRAFAAAGVRRRVAFEVSDVDLLLDLVARGLGVALLPASVAARLPG 160
                       170       180       190
                ....*....|....*....|....*....|....*...
gi 16129485 245 HHQVeawPLAEQWRWlTTWLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08436 161 LAAL---PLEPAPRR-RLYLAWSAPPPSPAARAFLELL 194
PRK15421 PRK15421
HTH-type transcriptional regulator MetR;
1-290 7.11e-18

HTH-type transcriptional regulator MetR;


Pssm-ID: 185319 [Multi-domain]  Cd Length: 317  Bit Score: 81.99  E-value: 7.11e-18
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVdeARS 80
Cdd:PRK15421   2 IEVKHLKTLQALRNCGSLAAAAATLHQTQSALSHQFSDLEQRLGFRLFVRKSQPLRFTPQGEILLQLANQVLPQI--SQA 79
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VVAGDEPQGLFSLGSLESTAAVR--IPAtLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPV 158
Cdd:PRK15421  80 LQACNEPQQTRLRIAIECHSCIQwlTPA-LENFHKNWPQVEMDFKSGVTFDPQPALQQGELDLVMTSDILPRSGLHYSPM 158
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  159 YREELMIVTPQGYaPVTRASQVNGSN-------IYAF-RANCSYRRHFeswFHADGAAPgTIHEMESYHGMLACVIAGAG 230
Cdd:PRK15421 159 FDYEVRLVLAPDH-PLAAKTRITPEDlasetllIYPVqRSRLDVWRHF---LQPAGVSP-SLKSVDNTLLLIQMVAARMG 233
                        250       260       270       280       290       300
                 ....*....|....*....|....*....|....*....|....*....|....*....|.
gi 16129485  231 IALIPRSMLESMPGHHQVEAWPLAEQWrWLTTWLVWRRGAKTRPL-EAFIQlldvpdSARQ 290
Cdd:PRK15421 234 IAALPHWVVESFERQGLVVTKTLGEGL-WSRLYAAVRDGEQRQPVtEAFIR------SARN 287
HTH_1 pfam00126
Bacterial regulatory helix-turn-helix protein, lysR family;
3-62 7.61e-18

Bacterial regulatory helix-turn-helix protein, lysR family;


Pssm-ID: 459683 [Multi-domain]  Cd Length: 60  Bit Score: 75.50  E-value: 7.61e-18
                          10        20        30        40        50        60
                  ....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485     3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGH 62
Cdd:pfam00126   1 LRQLRLFVAVAETGSFTAAAERLGLSQPAVSRQIKRLEEELGVPLFERTTRGVRLTEAGE 60
PBP2_LysR_opines_like cd08415
The C-terminal substrate-domain of LysR-type transcriptional regulators involved in the ...
93-282 1.67e-16

The C-terminal substrate-domain of LysR-type transcriptional regulators involved in the catabolism of opines and that of related regulators, contains the type 2 periplasmic binding fold; This CD includes the C-terminal substrate-domain of LysR-type transcriptional regulators, OccR and NocR, involved in the catabolism of opines and that of LysR for lysine biosynthesis which clustered together in phylogenetic trees. Opines, such as octopine and nopaline, are low molecular weight compounds found in plant crown gall tumors that are produced by the parasitic bacterium Agrobacterium. There are at least 30 different opines identified so far. Opines are utilized by tumor-colonizing bacteria as a source of carbon, nitrogen, and energy. NocR and OccR belong to the family of LysR-type transcriptional regulators that positively regulates the catabolism of nopaline and octopine, respectively. Both nopaline and octopalin are arginine derivatives. In Agrobacterium tumefaciens, NocR regulates expression of the divergently transcribed nocB and nocR genes of the nopaline catabolism (noc) region. OccR protein activates the occQ operon of the Ti plasmid in response to octopine. This operon encodes proteins required for the uptake and catabolism of octopine. The occ operon also encodes the TraR protein, which is a quorum-sensing transcriptional regulator of the Ti plasmid tra regulon. LysR is the transcriptional activator of lysA gene encoding diaminopimelate decarboxylase, an enzyme that catalyses the decarboxylation of diaminopimelate to produce lysine. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176107 [Multi-domain]  Cd Length: 196  Bit Score: 76.06  E-value: 1.67e-16
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  93 LGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYA 172
Cdd:cd08415   4 IAALPALALSLLPRAIARFRARHPDVRISLHTLSSSTVVEAVLSGQADLGLASLPLDHPGLESEPLASGRAVCVLPPGHP 83
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 173 ----PVTRASQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGhHQV 248
Cdd:cd08415  84 larkDVVTPADLAGEPLISLGRGDPLRQRVDAAFERAGVEPRIVIETQLSHTACALVAAGLGVAIVDPLTAAGYAG-AGL 162
                       170       180       190
                ....*....|....*....|....*....|....*
gi 16129485 249 EAWPLAEQWRWlTTWLVWRRG-AKTRPLEAFIQLL 282
Cdd:cd08415 163 VVRPFRPAIPF-EFALVRPAGrPLSRLAQAFIDLL 196
PRK11716 PRK11716
HTH-type transcriptional activator IlvY;
26-243 5.35e-16

HTH-type transcriptional activator IlvY;


Pssm-ID: 236961 [Multi-domain]  Cd Length: 269  Bit Score: 76.01  E-value: 5.35e-16
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   26 HRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARSVVAGDEPQ--GLFSL-GSLesTAAV 102
Cdd:PRK11716   2 HVSPSTLSRQIQRLEEELGQPLFVRDNRSVTLTEAGEELRPFAQQTLLQWQQLRHTLDQQGPSlsGELSLfCSV--TAAY 79
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  103 RI-PATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINH------TAIDGIPvyreeLMIVTPQGYAPVT 175
Cdd:PRK11716  80 SHlPPILDRFRAEHPLVEIKLTTGDAADAVEKVQSGEADLAIAAKPETLpasvafSPIDEIP-----LVLIAPALPCPVR 154
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  176 RasQVNGSNIY-------------AfrancsyRRHFESWFHADGAAPgTI------HEmesyhGMLACVIAGAGIALIPR 236
Cdd:PRK11716 155 Q--QLSQEKPDwsripfilpehgpA-------RRRIDLWFRRHKIKP-NIyatvsgHE-----AIVSMVALGCGVGLLPE 219

                 ....*..
gi 16129485  237 SMLESMP 243
Cdd:PRK11716 220 VVLENSP 226
PRK11233 PRK11233
nitrogen assimilation transcriptional regulator; Provisional
1-251 6.52e-16

nitrogen assimilation transcriptional regulator; Provisional


Pssm-ID: 183045 [Multi-domain]  Cd Length: 305  Bit Score: 76.26  E-value: 6.52e-16
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK11233   1 MNFRRLKYFVKIVDIGSLTQAAEVLHIAQPALSQQVATLEGELNQQLLIRTKRGVTPTEAGKILYTHARAILRQCEQAQL 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VV--AGDEPQGLFSLGSLESTAA--VRIPaTLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGpinHTAIDGI 156
Cdd:PRK11233  81 AVhnVGQALSGQVSIGLAPGTAAssLTMP-LLQAVRAEFPGIVLYLHENSGATLNEKLMNGQLDMAVIYE---HSPVAGL 156
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  157 ---PVYREELMIVTPQGyAPVTRAS--QVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGI 231
Cdd:PRK11233 157 ssqPLLKEDLFLVGTQD-CPGQSVDlaAVAQMNLFLPRDYSAVRLRVDEAFSLRRLTAKVIGEIESIATLTAAIASGMGV 235
                        250       260
                 ....*....|....*....|
gi 16129485  232 ALIPRSMLESMPGHHQveAW 251
Cdd:PRK11233 236 TVLPESAARSLCGAVN--GW 253
PRK11074 PRK11074
putative DNA-binding transcriptional regulator; Provisional
6-82 6.95e-16

putative DNA-binding transcriptional regulator; Provisional


Pssm-ID: 182948 [Multi-domain]  Cd Length: 300  Bit Score: 76.13  E-value: 6.95e-16
                         10        20        30        40        50        60        70
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 16129485    6 LEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFlrysqqilalVDEARSVV 82
Cdd:PRK11074   7 LEVVDAVARTGSFSAAAQELHRVPSAVSYTVRQLEEWLAVPLFERRHRDVELTPAGEWF----------VKEARSVI 73
PRK12684 PRK12684
CysB family HTH-type transcriptional regulator;
1-171 8.78e-16

CysB family HTH-type transcriptional regulator;


Pssm-ID: 237173 [Multi-domain]  Cd Length: 313  Bit Score: 76.17  E-value: 8.78e-16
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAG-SITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLR-LSPAGHNFLRYSQQILALVDEA 78
Cdd:PRK12684   1 MNLHQLRFVREAVRQNfNLTEAAKALYTSQPGVSKAIIELEDELGVEIFTRHGKRLRgLTEPGRIILASVERILQEVENL 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   79 RSVVA--GDEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAfidgpINHTAIDG- 155
Cdd:PRK12684  81 KRVGKefAAQDQGNLTIATTHTQARYALPAAIKEFKKRYPKVRLSILQGSPTQIAEMVLHGQADLA-----IATEAIADy 155
                        170       180
                 ....*....|....*....|.
gi 16129485  156 -----IPVYREELMIVTPQGY 171
Cdd:PRK12684 156 kelvsLPCYQWNHCVVVPPDH 176
PRK10837 PRK10837
putative DNA-binding transcriptional regulator; Provisional
3-165 1.66e-14

putative DNA-binding transcriptional regulator; Provisional


Pssm-ID: 182768 [Multi-domain]  Cd Length: 290  Bit Score: 72.03  E-value: 1.66e-14
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPagHNFLRYSqQILALVDEARsvv 82
Cdd:PRK10837   5 LRQLEVFAEVLKSGSTTQASVMLALSQSAVSAALTDLEGQLGVQLFDRVGKRLVVNE--HGRLLYP-RALALLEQAV--- 78
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   83 agdEPQGLF--SLGSLESTAAVRI-----PATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDG 155
Cdd:PRK10837  79 ---EIEQLFreDNGALRIYASSTIgnyilPAMIARYRRDYPQLPLELSVGNSQDVINAVLDFRVDIGLIEGPCHSPELIS 155
                        170
                 ....*....|
gi 16129485  156 IPVYREELMI 165
Cdd:PRK10837 156 EPWLEDELVV 165
PRK10094 PRK10094
HTH-type transcriptional activator AllS;
1-123 4.21e-14

HTH-type transcriptional activator AllS;


Pssm-ID: 182237 [Multi-domain]  Cd Length: 308  Bit Score: 70.99  E-value: 4.21e-14
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQIL----ALVD 76
Cdd:PRK10094   2 FDPETLRTFIAVAETGSFSKAAERLCKTTATISYRIKLLEENTGVALFFRTTRSVTLTAAGEHLLSQARDWLswleSMPS 81
                         90       100       110       120
                 ....*....|....*....|....*....|....*....|....*....
gi 16129485   77 EARSVVAGDEPQGLFSLGSL--ESTAAVRIPATLaefNRRYPKIQFSLS 123
Cdd:PRK10094  82 ELQQVNDGVERQVNIVINNLlyNPQAVAQLLAWL---NERYPFTQFHIS 127
PBP2_LTTR_like_4 cd08440
TThe C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
92-282 4.49e-14

TThe C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator, contains the type 2 periplasmic binding fold; LysR-transcriptional regulators comprise the largest family of prokaryotic transcription factor. Homologs of some of LTTRs with similar domain organizations are also found in the archaea and eukaryotic organisms. The LTTRs are composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The genes controlled by the LTTRs have diverse functional roles including amino acid biosynthesis, CO2 fixation, antibiotic resistance, degradation of aromatic compounds, nodule formation of nitrogen-fixing bacteria, and synthesis of virulence factors, to a name a few. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176131 [Multi-domain]  Cd Length: 197  Bit Score: 69.09  E-value: 4.49e-14
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  92 SLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGY 171
Cdd:cd08440   3 RVAALPSLAATLLPPVLAAFRRRHPGIRVRLRDVSAEQVIEAVRSGEVDFGIGSEPEADPDLEFEPLLRDPFVLVCPKDH 82
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 172 APVTRAS----QVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPgHHQ 247
Cdd:cd08440  83 PLARRRSvtwaELAGYPLIALGRGSGVRALIDRALAAAGLTLRPAYEVSHMSTALGMVAAGLGVAVLPALALPLAD-HPG 161
                       170       180       190
                ....*....|....*....|....*....|....*.
gi 16129485 248 VEAWPLAEQWRWLTTWLVWRRGAKTRPL-EAFIQLL 282
Cdd:cd08440 162 LVARPLTEPVVTRTVGLIRRRGRSLSPAaQAFLDLL 197
PBP2_LTTR_like_6 cd08423
The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
91-282 8.51e-14

The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator, contains the type 2 periplasmic binding fold; LysR-transcriptional regulators comprise the largest family of prokaryotic transcription factor. Homologs of some of LTTRs with similar domain organizations are also found in the archaea and eukaryotic organisms. The LTTRs are composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The genes controlled by the LTTRs have diverse functional roles including amino acid biosynthesis, CO2 fixation, antibiotic resistance, degradation of aromatic compounds, nodule formation of nitrogen-fixing bacteria, and synthesis of virulence factors, to a name a few. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176115 [Multi-domain]  Cd Length: 200  Bit Score: 68.39  E-value: 8.51e-14
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  91 FSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFID-----GPINHTAIDGIPVYREELMI 165
Cdd:cd08423   2 LRVGAFPTAAAALLPPALAALRARHPGLEVRLREAEPPESLDALRAGELDLAVVFdypvtPPPDDPGLTRVPLLDDPLDL 81
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 166 VTPQGY-----APVTRASQVNGSNIyAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLE 240
Cdd:cd08423  82 VLPADHplagrEEVALADLADEPWI-AGCPGSPCHRWLVRACRAAGFTPRIAHEADDYATVLALVAAGLGVALVPRLALG 160
                       170       180       190       200
                ....*....|....*....|....*....|....*....|...
gi 16129485 241 SMPGHhqVEAWPLAeQWRWLTTWLVWRRGAKTRPL-EAFIQLL 282
Cdd:cd08423 161 ARPPG--VVVRPLR-PPPTRRIYAAVRAGAARRPAvAAALEAL 200
PRK11139 PRK11139
DNA-binding transcriptional activator GcvA; Provisional
3-238 1.96e-13

DNA-binding transcriptional activator GcvA; Provisional


Pssm-ID: 182990 [Multi-domain]  Cd Length: 297  Bit Score: 69.10  E-value: 1.96e-13
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHnflRYSQQI----LALVDEA 78
Cdd:PRK11139   8 LNALRAFEAAARHLSFTRAAEELFVTQAAVSHQIKALEDFLGLKLFRRRNRSLLLTEEGQ---RYFLDIreifDQLAEAT 84
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   79 RSVVAGDEPQGLfSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTgpsGTMLDGVLEGKLNAAFIDGPINHTAIDGIPV 158
Cdd:PRK11139  85 RKLRARSAKGAL-TVSLLPSFAIQWLVPRLSSFNEAHPDIDVRLKA---VDRLEDFLRDDVDVAIRYGRGNWPGLRVEKL 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  159 YREELMIV-TP---QGYAPVTRASQVNGSN-IYAfrancSYRRHFESWFHADGAAP-----GTIHEMeSYHGMLAcVIAG 228
Cdd:PRK11139 161 LDEYLLPVcSPallNGGKPLKTPEDLARHTlLHD-----DSREDWRAWFRAAGLDDlnvqqGPIFSH-SSMALQA-AIHG 233
                        250
                 ....*....|
gi 16129485  229 AGIALIPRSM 238
Cdd:PRK11139 234 QGVALGNRVL 243
PBP2_Nac cd08433
The C-teminal substrate binding domain of LysR-like nitrogen assimilation control (NAC) ...
92-255 5.42e-13

The C-teminal substrate binding domain of LysR-like nitrogen assimilation control (NAC) protein, contains the type 2 periplasmic binding fold; The NAC is a LysR-type transcription regulator that activates expression of operons such as hut (histidine utilization) and ure (urea utilization), allowing use of non-preferred (poor) nitrogen sources, and represses expression of operons, such as glutamate dehydrogenase (gdh), allowing assimilation of the preferred nitrogen source. The expression of the nac gene is fully dependent on the nitrogen regulatory system (NTR) and the sigma54-containing RNA polymerase (sigma54-RNAP). In response to nitrogen starvation, NTR system activates the expression of nac, and NAC activates the expression of hut, ure, and put (proline utilization). NAC is not involved in the transcription of Sigma70-RNAP operons such as glnA, which directly respond by the NTR system, but activates the transcription of sigma70-RNAP dependent operons such as hut. Hence, NAC allows the coupling of sigma70-RNAP dependent operons to the sigma54-RNAP dependent NTR system. This substrate-binding domain has significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176124  Cd Length: 198  Bit Score: 66.46  E-value: 5.42e-13
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  92 SLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTP--- 168
Cdd:cd08433   3 SVGLPPSAASVLAVPLLRAVRRRYPGIRLRIVEGLSGHLLEWLLNGRLDLALLYGPPPIPGLSTEPLLEEDLFLVGPada 82
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 169 --QGYAPVTrASQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGHH 246
Cdd:cd08433  83 plPRGAPVP-LAELARLPLILPSRGHGLRRLVDEAAARAGLTLNVVVEIDSVATLKALVAAGLGYTILPASAVAAEVAAG 161

                ....*....
gi 16129485 247 QVEAWPLAE 255
Cdd:cd08433 162 RLVAAPIVD 170
PRK09791 PRK09791
LysR family transcriptional regulator;
3-277 9.42e-13

LysR family transcriptional regulator;


Pssm-ID: 182077 [Multi-domain]  Cd Length: 302  Bit Score: 67.09  E-value: 9.42e-13
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILalvDEARsvV 82
Cdd:PRK09791   7 IHQIRAFVEVARQGSIRGASRMLNMSQPALTKSIQELEEGLAAQLFFRRSKGVTLTDAGESFYQHASLIL---EELR--A 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   83 AGDEPQ-------GLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLN---AAFIDGPINHTa 152
Cdd:PRK09791  82 AQEDIRqrqgqlaGQINIGMGASIARSLMPAVISRFHQQHPQVKVRIMEGQLVSMINELRQGELDftiNTYYQGPYDHE- 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  153 idgipVYREELM-----IVTPQGYaPVTRASQVNGSNIYAF---RANCSYRRHFESWFHADGAAPGTIHEMESYHGMLAC 224
Cdd:PRK09791 161 -----FTFEKLLekqfaVFCRPGH-PAIGARSLKQLLDYSWtmpTPHGSYYKQLSELLDDQAQTPQVGVVCETFSACISL 234
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|....
gi 16129485  225 VIAGAGIALIPRSML-ESMPGHHQVeAWPLAEQWRWLTTWLVWRRGAKTRPLEA 277
Cdd:PRK09791 235 VAKSDFLSILPEEMGcDPLHGQGLV-MLPVSEILPKATYYLIQRRDTRQTPLTA 287
PRK15092 PRK15092
DNA-binding transcriptional repressor LrhA; Provisional
1-142 1.56e-12

DNA-binding transcriptional repressor LrhA; Provisional


Pssm-ID: 237907 [Multi-domain]  Cd Length: 310  Bit Score: 66.59  E-value: 1.56e-12
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK15092  11 LDLDLLRTFVAVADLNTFAAAAAAVCRTQSAVSQQMQRLEQLVGKELFARHGRNKLLTEHGIQLLGYARKILRFNDEACS 90
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|..
gi 16129485   81 VVAGDEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAA 142
Cdd:PRK15092  91 SLMYSNLQGVLTIGASDDTADTILPFLLNRVSSVYPKLALDVRVKRNAFMMEMLESQEVDLA 152
PBP2_LTTR_aromatics_like_2 cd08448
The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
104-282 2.04e-12

The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator similar to regulators involved in the catabolism of aromatic compounds, contains type 2 periplasmic binding fold; This CD represents the substrate binding domain of an uncharacterized LysR-type regulator similar to CbnR which is involved in the regulation of chlorocatechol breakdown. The transcription of the genes encoding enzymes involved in such degradation is regulated and expression of these enzymes is enhanced by inducers, which are either an intermediate in the metabolic pathway or compounds to be degraded. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176139 [Multi-domain]  Cd Length: 197  Bit Score: 64.60  E-value: 2.04e-12
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 104 IPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYAPVTRASQvngs 183
Cdd:cd08448  15 LPRILRAFRAEYPGIEVALHEMSSAEQIEALLRGELDLGFVHSRRLPAGLSARLLHREPFVCCLPAGHPLAARRRI---- 90
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 184 NIYAFRAN--CSYRRHFESWFH--------ADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLES-MPGhhqVEAWP 252
Cdd:cd08448  91 DLRELAGEpfVLFSREVSPDYYdqiialcmDAGFHPKIRHEVRHWLTVVALVAAGMGVALVPRSLARAgLAG---VRFLP 167
                       170       180       190
                ....*....|....*....|....*....|
gi 16129485 253 LAEQWRWLTTWLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08448 168 LKGATQRSELYAAWKASAPNPALQAFLAAL 197
PRK10086 PRK10086
DNA-binding transcriptional regulator DsdC;
3-125 4.98e-11

DNA-binding transcriptional regulator DsdC;


Pssm-ID: 182231 [Multi-domain]  Cd Length: 311  Bit Score: 62.33  E-value: 4.98e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARSVV 82
Cdd:PRK10086  16 LSKLHTFEVAARHQSFALAADELSLTPSAVSHRINQLEEELGIKLFVRSHRKVELTEEGKRVFWALKSSLDTLNQEILDI 95
                         90       100       110       120
                 ....*....|....*....|....*....|....*....|...
gi 16129485   83 AGDEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTG 125
Cdd:PRK10086  96 KNQELSGTLTVYSRPSIAQCWLVPRLADFTRRYPSISLTILTG 138
PBP2_LTTR_like_2 cd08427
The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
90-282 5.29e-11

The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator, contains the type 2 periplasmic binding fold; LysR-transcriptional regulators comprise the largest family of prokaryotic transcription factor. Homologs of some of LTTRs with similar domain organizations are also found in the archaea and eukaryotic organisms. The LTTRs are composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The genes controlled by the LTTRs have diverse functional roles including amino acid biosynthesis, CO2 fixation, antibiotic resistance, degradation of aromatic compounds, nodule formation of nitrogen-fixing bacteria, and synthesis of virulence factors, to a name a few. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176118 [Multi-domain]  Cd Length: 195  Bit Score: 60.67  E-value: 5.29e-11
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  90 LFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPI--NHTAIDGIPVYREELMIVT 167
Cdd:cd08427   1 RLRLGAIATVLTGLLPRALARLRRRHPDLEVHIVPGLSAELLARVDAGELDAAIVVEPPfpLPKDLVWTPLVREPLVLIA 80
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 168 PQGyAPVTRASQVNGSNIY-AFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRS--MLESMPG 244
Cdd:cd08427  81 PAE-LAGDDPRELLATQPFiRYDRSAWGGRLVDRFLRRQGIRVREVMELDSLEAIAAMVAQGLGVAIVPDIavPLPAGPR 159
                       170       180       190
                ....*....|....*....|....*....|....*....
gi 16129485 245 hhqVEAWPLAEQWRWLTTWLVWRRG-AKTRPLEAFIQLL 282
Cdd:cd08427 160 ---VRVLPLGDPAFSRRVGLLWRRSsPRSRLIQALLEAL 195
PRK12682 PRK12682
transcriptional regulator CysB-like protein; Reviewed
1-282 5.39e-11

transcriptional regulator CysB-like protein; Reviewed


Pssm-ID: 183679 [Multi-domain]  Cd Length: 309  Bit Score: 61.93  E-value: 5.39e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAG-SITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRL-RLSPAGHNFLRYSQQILALVDEA 78
Cdd:PRK12682   1 MNLQQLRFVREAVRRNlNLTEAAKALHTSQPGVSKAIIELEEELGIEIFIRHGKRLkGLTEPGKAVLDVIERILREVGNI 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   79 RSVvaGDE----PQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTG-PS--GTML-DGVLEGKLNAAFIDgpiNH 150
Cdd:PRK12682  81 KRI--GDDfsnqDSGTLTIATTHTQARYVLPRVVAAFRKRYPKVNLSLHQGsPDeiARMViSGEADIGIATESLA---DD 155
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  151 TAIDGIPVYREELMIVTPQGYaPVTRASQVNGSNIYAFrANCSYRRHF------ESWFHADGAAPGTIHEmesyhGMLAC 224
Cdd:PRK12682 156 PDLATLPCYDWQHAVIVPPDH-PLAQEERITLEDLAEY-PLITYHPGFtgrsriDRAFAAAGLQPDIVLE-----AIDSD 228
                        250       260       270       280       290       300       310
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|..
gi 16129485  225 VI-----AGAGIALI--------PRSMLESMPGHHQVEAwplaeqwrwLTTWLVWRRGAKTRP-LEAFIQLL 282
Cdd:PRK12682 229 VIktyvrLGLGVGIVaemayrpdRDGDLVALPAGHLFGP---------NTAWVALKRGAYLRNyVYKFIELC 291
PRK09986 PRK09986
LysR family transcriptional regulator;
1-252 6.58e-11

LysR family transcriptional regulator;


Pssm-ID: 182183 [Multi-domain]  Cd Length: 294  Bit Score: 61.66  E-value: 6.58e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK09986   7 IDLKLLRYFLAVAEELHFGRAAARLNISQPPLSIHIKELEDQLGTPLFIRHSRSVVLTHAGKILMEESRRLLDNAEQSLA 86
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VVA--GDEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINH--TAIDGI 156
Cdd:PRK09986  87 RVEqiGRGEAGRIEIGIVGTALWGRLRPAMRHFLKENPNVEWLLRELSPSMQMAALERRELDAGIWRMADLEpnPGFTSR 166
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  157 PVYREELMIVTPQGYAPVTRASQ----------VNGSNIYAFRANCSYRRHFESWFHadgaaPGTIHEMESYHGMLACVI 226
Cdd:PRK09986 167 RLHESAFAVAVPEEHPLASRSSVplkalrneyfITLPFVHSDWGKFLQRVCQQAGFS-----PQIIRQVNEPQTVLAMVS 241
                        250       260
                 ....*....|....*....|....*.
gi 16129485  227 AGAGIALIPRSMLEsMPghhqveaWP 252
Cdd:PRK09986 242 MGIGITLLPDSYAQ-IP-------WP 259
PBP2_CidR cd08438
The C-terminal substrate binding domain of LysR-like transcriptional regulator CidR, contains ...
108-282 1.15e-10

The C-terminal substrate binding domain of LysR-like transcriptional regulator CidR, contains the type 2 periplasmic binding fold; This CD includes the substrate binding domain of CidR which positively up-regulates the expression of cidABC operon in the presence of acetic acid produced by the metabolism of excess glucose. The CidR affects the control of murein hydrolase activity by enhancing cidABC expression in the presence of acetic acid. Thus, up-regulation of cidABC expression results in increased murein hydrolase activity. This substrate binding domain has significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176129 [Multi-domain]  Cd Length: 197  Bit Score: 59.49  E-value: 1.15e-10
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 108 LAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYAPVTRAS----QVNGS 183
Cdd:cd08438  19 LAAFRQRYPNIELELVEYGGKKVEQAVLNGELDVGITVLPVDEEEFDSQPLCNEPLVAVLPRGHPLAGRKTvslaDLADE 98
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 184 NIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMpGHHQVEAWPLAE---QWRwl 260
Cdd:cd08438  99 PFILFNEDFALHDRIIDACQQAGFTPNIAARSSQWDFIAELVAAGLGVALLPRSIAQRL-DNAGVKVIPLTDpdlRWQ-- 175
                       170       180
                ....*....|....*....|...
gi 16129485 261 tTWLVWRRGAK-TRPLEAFIQLL 282
Cdd:cd08438 176 -LALIWRKGRYlSHAARAWLALL 197
PBP2_LTTR_like_1 cd08421
The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
98-282 1.66e-10

The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator, contains the type 2 periplasmic binding fold; LysR-transcriptional regulators comprise the largest family of prokaryotic transcription factor. Homologs of some of LTTRs with similar domain organizations are also found in the archaea and eukaryotic organisms. The LTTRs are composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The genes controlled by the LTTRs have diverse functional roles including amino acid biosynthesis, CO2 fixation, antibiotic resistance, degradation of aromatic compounds, nodule formation of nitrogen-fixing bacteria, and synthesis of virulence factors, to a name a few. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176113  Cd Length: 198  Bit Score: 59.07  E-value: 1.66e-10
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  98 STAAV--RIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYAPVT 175
Cdd:cd08421   7 NTSAIveFLPEDLASFLAAHPDVRIDLEERLSADIVRAVAEGRADLGIVAGNVDAAGLETRPYRTDRLVVVVPRDHPLAG 86
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 176 RAS----QVNGSNIYAFRANCSYRRHFESwfHADgAAPGTIH---EMESYHGMLACVIAGAGIALIPRSMLESMPGHHQV 248
Cdd:cd08421  87 RASvafaDTLDHDFVGLPAGSALHTFLRE--AAA-RLGRRLRlrvQVSSFDAVCRMVAAGLGIGIVPESAARRYARALGL 163
                       170       180       190
                ....*....|....*....|....*....|....*..
gi 16129485 249 EAWPLAEQW--RWLttWLVWRRG-AKTRPLEAFIQLL 282
Cdd:cd08421 164 RVVPLDDAWarRRL--LLCVRSFdALPPAARALVDHL 198
PBP2_OxyR cd08411
The C-terminal substrate-binding domain of the LysR-type transcriptional regulator OxyR, a ...
104-282 3.36e-10

The C-terminal substrate-binding domain of the LysR-type transcriptional regulator OxyR, a member of the type 2 periplasmic binding fold protein superfamily; OxyR senses hydrogen peroxide and is activated through the formation of an intramolecular disulfide bond. The OxyR activation induces the transcription of genes necessary for the bacterial defense against oxidative stress. The OxyR of LysR-type transcriptional regulator family is composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The C-terminal domain also contains the redox-active cysteines that mediate the redox-dependent conformational switch. Thus, the interaction between the OxyR-tetramer and DNA is notably different between the oxidized and reduced forms. The structural topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176103 [Multi-domain]  Cd Length: 200  Bit Score: 58.31  E-value: 3.36e-10
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 104 IPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGyAPVTRASQVNGS 183
Cdd:cd08411  16 LPRLLPALRQAYPKLRLYLREDQTERLLEKLRSGELDAALLALPVDEPGLEEEPLFDEPFLLAVPKD-HPLAKRKSVTPE 94
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 184 NIYAFR------ANCsYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGHHQ-VEAWPLAEQ 256
Cdd:cd08411  95 DLAGERlllleeGHC-LRDQALELCRLAGAREQTDFEATSLETLRQMVAAGLGITLLPELAVPSEELRGDrLVVRPFAEP 173
                       170       180
                ....*....|....*....|....*....
gi 16129485 257 --WRwlTTWLVWRRG-AKTRPLEAFIQLL 282
Cdd:cd08411 174 apSR--TIGLVWRRSsPRAAAFEALAELI 200
PRK13348 PRK13348
HTH-type transcriptional regulator ArgP;
2-83 5.04e-10

HTH-type transcriptional regulator ArgP;


Pssm-ID: 237357 [Multi-domain]  Cd Length: 294  Bit Score: 59.21  E-value: 5.04e-10
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    2 DLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQrLRLSPAGHNFLRYSQQILALVDEARSV 81
Cdd:PRK13348   3 DYKQLEALAAVVETGSFERAARRLHVTPSAVSQRIKALEESLGQPLLVRGRP-CRPTPAGQRLLRHLRQVALLEADLLST 81

                 ..
gi 16129485   82 VA 83
Cdd:PRK13348  82 LP 83
PBP2_LTTR_aromatics_like_1 cd08447
The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
104-282 5.11e-10

The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator similar to regulators involved in the catabolism of aromatic compounds, contains type 2 periplasmic binding fold; This CD represents the substrate binding domain of an uncharacterized LysR-type regulator similar to CbnR which is involved in the regulation of chlorocatechol breakdown. The transcription of the genes encoding enzymes involved in such degradation is regulated and expression of these enzymes is enhanced by inducers, which are either an intermediate in the metabolic pathway or compounds to be degraded. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176138 [Multi-domain]  Cd Length: 198  Bit Score: 58.04  E-value: 5.11e-10
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 104 IPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYaPVTRASQV--- 180
Cdd:cd08447  15 LPRLLAAARAALPDVDLVLREMVTTDQIEALESGRIDLGLLRPPFARPGLETRPLVREPLVAAVPAGH-PLAGAERLtle 93
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 181 --NGSNIYAFRANCSyrRHFE----SWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSmlESMPGHHQVEAWPLa 254
Cdd:cd08447  94 dlDGQPFIMYSPTEA--RYFHdlvvRLFASAGVQPRYVQYLSQIHTMLALVRAGLGVALVPAS--ASRLRFEGVVFRPL- 168
                       170       180       190
                ....*....|....*....|....*....|....
gi 16129485 255 eqwrWLTT------WLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08447 169 ----DLPRdvpvelHLAWRRDNDNPALRALLDLI 198
PBP2_IlvR cd08453
The C-terminal substrate binding domain of LysR-type transcriptional regulator, IlvR, involved ...
98-282 6.36e-10

The C-terminal substrate binding domain of LysR-type transcriptional regulator, IlvR, involved in the biosynthesis of isoleucine, leucine and valine; contains type 2 periplasmic binding fold; The IlvR is an activator of the upstream and divergently transcribed ilvD gene, which encodes dihydroxy acid dehydratase that participates in isoleucine, leucine, and valine biosynthesis. As in the case of other members of the LysR family, the expression of ilvR gene is repressed in the presence of its own gene product. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176144 [Multi-domain]  Cd Length: 200  Bit Score: 57.76  E-value: 6.36e-10
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  98 STAAVRI-PATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTA---IDGIPVYREELMIVTPQGYAP 173
Cdd:cd08453   8 STADYSVlPELVRRFREAYPDVELQLREATSDVQLEALLAGEIDAGIVIPPPGASAppaLAYRPLLSEPLVLAVPAAWAA 87
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 174 VTRASqvngsniYAFRANCS-----YRRHFESWFH--------ADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLE 240
Cdd:cd08453  88 EGGAP-------LALAAVAAeplviFPRRIAPAFHdavtgyyrAAGQTPRIAQEAIQMQTIISLVSAGMGVALVPASLRN 160
                       170       180       190       200
                ....*....|....*....|....*....|....*....|...
gi 16129485 241 -SMPGhhqVEAWPLAEQWRWLTTWLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08453 161 lARPG---VVYRELADPAPVLETGLVWRRDDASPVLARFLDLV 200
PBP2_GbpR cd08435
The C-terminal substrate binding domain of galactose-binding protein regulator contains the ...
94-282 7.20e-10

The C-terminal substrate binding domain of galactose-binding protein regulator contains the type 2 periplasmic binding fold; Galactose-binding protein regulator (GbpR), a member of the LysR family of bacterial transcriptional regulators, regulates the expression of chromosomal virulence gene chvE. The chvE gene is involved in the uptake of specific sugars, in chemotaxis to these sugars, and in the VirA-VirG two-component signal transduction system. In the presence of an inducing sugar such as L-arabinose, D-fucose, or D-galactose, GbpR activates chvE expression, while in the absence of an inducing sugar, GbpR represses expression. The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176126 [Multi-domain]  Cd Length: 201  Bit Score: 57.67  E-value: 7.20e-10
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  94 GSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAF--IDGPINHTAIDGIPVYREELMIVTPQGY 171
Cdd:cd08435   5 GAVPAAAPVLLPPAIARLLARHPRLTVRVVEGTSDELLEGLRAGELDLAIgrLADDEQPPDLASEELADEPLVVVARPGH 84
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 172 aPVTRASQVNGSNIYAFR-----ANCSYRRHFESWFHADG-AAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGH 245
Cdd:cd08435  85 -PLARRARLTLADLADYPwvlppPGTPLRQRLEQLFAAAGlPLPRNVVETASISALLALLARSDMLAVLPRSVAEDELRA 163
                       170       180       190       200
                ....*....|....*....|....*....|....*....|
gi 16129485 246 HQVEAWPLAeqWRWLTTW--LVWRRGAKTRPL-EAFIQLL 282
Cdd:cd08435 164 GVLRELPLP--LPTSRRPigITTRRGGPLSPAaRALLDAL 201
PBP2_HcaR cd08450
The C-terminal substrate binding domain of LysR-type transcriptional regulator HcaR in ...
91-279 1.74e-09

The C-terminal substrate binding domain of LysR-type transcriptional regulator HcaR in involved in 3-phenylpropionic acid catabolism, contains the type2 periplasmic binding fold; HcaR, a member of the LysR family of transcriptional regulators, controls the expression of the hcA1, A2, B, C, and D operon, encoding for the 3-phenylpropionate dioxygenase complex and 3-phenylpropionate-2',3'-dihydrodiol dehydrogenase, that oxidizes 3-phenylpropionate to 3-(2,3-dihydroxyphenyl) propionate. Dioxygenases play an important role in protecting the cell against the toxic effects of dioxygen. The expression of hcaR is negatively auto-regulated, as for other members of the LysR family, and is strongly repressed in the presence of glucose. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176141 [Multi-domain]  Cd Length: 196  Bit Score: 56.23  E-value: 1.74e-09
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  91 FSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQ- 169
Cdd:cd08450   2 LTIGFLPGAEVQWLPEVLPILREEHPDLDVELSSLFSPQLAEALMRGKLDVAFMRPEIQSDGIDYQLLLKEPLIVVLPAd 81
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 170 ---GYAPVTRASQVNGSN-IYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGh 245
Cdd:cd08450  82 hrlAGREKIPPQDLAGENfISPAPTAPVLQQVIENYAAQHNIQPNIIQEADNLLSAMSLVASTLGCALLPLYANNLLPP- 160
                       170       180       190
                ....*....|....*....|....*....|....
gi 16129485 246 hQVEAWPLAEQWRWLTTWLVWRRGAKTRPLEAFI 279
Cdd:cd08450 161 -SVVARPLSGETPTIDLVMGYNKANTSPLLKRFL 193
PRK12683 PRK12683
transcriptional regulator CysB-like protein; Reviewed
1-281 5.30e-09

transcriptional regulator CysB-like protein; Reviewed


Pssm-ID: 237172 [Multi-domain]  Cd Length: 309  Bit Score: 56.20  E-value: 5.30e-09
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAG-SITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLR-LSPAGHNFLRYSQQIL------ 72
Cdd:PRK12683   1 MNFQQLRIIREAVRQNfNLTEVANALYTSQSGVSKQIKDLEDELGVEIFIRRGKRLTgLTEPGKELLQIVERMLldaenl 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   73 -------ALVDEARSVVAGDEPQGLFSLgslestaavriPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKlnaafID 145
Cdd:PRK12683  81 rrlaeqfADRDSGHLTVATTHTQARYAL-----------PKVVRQFKEVFPKVHLALRQGSPQEIAEMLLNGE-----AD 144
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  146 GPINHTAID------GIPVYREELMIVTPQGYaPVTRA-----SQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIhe 214
Cdd:PRK12683 145 IGIATEALDrepdlvSFPYYSWHHVVVVPKGH-PLTGRenltlEAIAEYPIITYDQGFTGRSRIDQAFAEAGLVPDIV-- 221
                        250       260       270       280       290       300       310
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 16129485  215 MESyhgMLACVIA-----GAGIALIPrSML---ESMPGHHQVEAWPLAEQwrwLTTWLVWRRGAKTRPLE-AFIQL 281
Cdd:PRK12683 222 LTA---LDADVIKtyvelGMGVGIVA-AMAydpQRDTGLVALDTDHLFEA---NTTRVGLRRGAYLRGYAyRFIEL 290
PRK14997 PRK14997
LysR family transcriptional regulator; Provisional
1-122 1.22e-08

LysR family transcriptional regulator; Provisional


Pssm-ID: 184959 [Multi-domain]  Cd Length: 301  Bit Score: 55.00  E-value: 1.22e-08
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK14997   2 TDLNDFAWFVHVVEEGGFAAAGRALDEPKSKLSRRIAQLEERLGVRLIQRTTRQFNVTEVGQTFYEHCKAMLVEAQAAQD 81
                         90       100       110       120
                 ....*....|....*....|....*....|....*....|....
gi 16129485   81 VVAG--DEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSL 122
Cdd:PRK14997  82 AIAAlqVEPRGIVKLTCPVTLLHVHIGPMLAKFMARYPDVSLQL 125
PRK10341 PRK10341
transcriptional regulator TdcA;
5-142 1.89e-08

transcriptional regulator TdcA;


Pssm-ID: 182391 [Multi-domain]  Cd Length: 312  Bit Score: 54.48  E-value: 1.89e-08
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    5 QLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQIL----ALVDEARS 80
Cdd:PRK10341  11 HLVVFQEVIRSGSIGSAAKELGLTQPAVSKIINDIEDYFGVELIVRKNTGVTLTPAGQVLLSRSESITremkNMVNEING 90
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|..
gi 16129485   81 VVAGDEPQglFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAA 142
Cdd:PRK10341  91 MSSEAVVD--VSFGFPSLIGFTFMSDMINKFKEVFPKAQVSMYEAQLSSFLPAIRDGRLDFA 150
PBP2_OccR cd08457
The C-terminal substrate-domain of LysR-type transcriptional regulator, OccR, involved in the ...
104-244 1.96e-07

The C-terminal substrate-domain of LysR-type transcriptional regulator, OccR, involved in the catabolism of octopine, contains the type 2 periplasmic binding fold; This CD includes the C-terminal substrate-domain of LysR-type transcriptional regulator OccR, which is involved in the catabolism of octopine. Opines are low molecular weight compounds found in plant crown gall tumors produced by the parasitic bacterium Agrobacterium. There are at least 30 different opines identified so far. Opines are utilized by tumor-colonizing bacteria as a source of carbon, nitrogen, and energy. In Agrobacterium tumefaciens, OccR protein activates the occQ operon of the Ti plasmid in response to octopine. This operon encodes proteins required for the uptake and catabolism of octopine, an arginine derivative. The occ operon also encodes the TraR protein, which is a quorum-sensing transcriptional regulator of the Ti plasmid tra regulon. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176146 [Multi-domain]  Cd Length: 196  Bit Score: 50.57  E-value: 1.96e-07
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 104 IPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGY----APVTRASQ 179
Cdd:cd08457  15 LPRFLAAFLRLRPNLHLSLMGLSSSQVLEAVASGRADLGIADGPLEERQGFLIETRSLPAVVAVPMGHplaqLDVVSPQD 94
                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 16129485 180 VNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPG 244
Cdd:cd08457  95 LAGERIITLENGYLFRMRVEVALGKIGVKRRPIIEVNLSHTALSLVREGLGIAIIDPATAIGLPL 159
PBP2_BudR cd08451
The C-terminal substrate binding domain of LysR-type transcrptional regulator BudR, which is ...
104-282 2.69e-07

The C-terminal substrate binding domain of LysR-type transcrptional regulator BudR, which is responsible for activation of the expression of the butanediol operon genes; contains the type 2 periplasmic binding fold; This CD represents the substrate binding domain of BudR regulator, which is responsible for induction of the butanediol formation pathway under fermentative growth conditions. Three enzymes are involved in the production of 1 mol of 2,3 butanediol from the condensation of 2 mol of pyruvate with acetolactate and acetoin as intermediates: acetolactate synthetase, acetolactate decarboxylase, and acetoin reductase. In Klebsiella terrigena, BudR regulates the expression of the budABC operon genes, encoding these three enzymes of the butanediol pathway. In many bacterial species, the use of this pathway can prevent intracellular acidification by diverting metabolism from acid production to the formation of neutral compounds (acetoin and butanediol). This substrate-binding domain has significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176142 [Multi-domain]  Cd Length: 199  Bit Score: 49.87  E-value: 2.69e-07
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 104 IPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTaiDGI---PVYREELMIVTPQGYaPVTRASQV 180
Cdd:cd08451  16 VPGLIRRFREAYPDVELTLEEANTAELLEALREGRLDAAFVRPPVARS--DGLvleLLLEEPMLVALPAGH-PLARERSI 92
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 181 ----------------NGSNIY-AFRANCsyrrhfeswfHADGAAPGTIHE---MESYHGMLAcviAGAGIALIPRSMLE 240
Cdd:cd08451  93 plaaladepfilfprpVGPGLYdAIIAAC----------RRAGFTPRIGQEapqMASAINLVA---AGLGVSIVPASMRQ 159
                       170       180       190       200
                ....*....|....*....|....*....|....*....|....*
gi 16129485 241 SMPG---HHQVEAWPLAEQwrwLTtwLVWRRGAKTRPLEAFIQLL 282
Cdd:cd08451 160 LQAPgvvYRPLAGAPLTAP---LA--LAYRRGERSPAVRNFIALV 199
PRK11013 PRK11013
DNA-binding transcriptional regulator LysR; Provisional
3-234 2.80e-07

DNA-binding transcriptional regulator LysR; Provisional


Pssm-ID: 236819 [Multi-domain]  Cd Length: 309  Bit Score: 50.76  E-value: 2.80e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRlsPaghnflrySQQILALVDEA-RSV 81
Cdd:PRK11013   6 LRHIEIFHAVMTAGSLTEAARLLHTSQPTVSRELARFEKVIGLKLFERVRGRLH--P--------TVQGLRLFEEVqRSY 75
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   82 VAGDE-----------PQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSgtmldGVLEGKLNAAFIDgpINH 150
Cdd:PRK11013  76 YGLDRivsaaeslrefRQGQLSIACLPVFSQSLLPGLCQPFLARYPDVSLNIVPQES-----PLLEEWLSAQRHD--LGL 148
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  151 TAIDGIP--VYREELMI-----VTPQGYA----PVTRASQVNGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYH 219
Cdd:PRK11013 149 TETLHTPagTERTELLTldevcVLPAGHPlaakKVLTPDDFAGENFISLSRTDSYRQLLDQLFAEHGVKRRMVVETHSAA 228
                        250
                 ....*....|....*
gi 16129485  220 GMLACVIAGAGIALI 234
Cdd:PRK11013 229 SVCAMVRAGVGVSIV 243
PRK09801 PRK09801
LysR family transcriptional regulator;
6-119 4.67e-07

LysR family transcriptional regulator;


Pssm-ID: 182085 [Multi-domain]  Cd Length: 310  Bit Score: 50.42  E-value: 4.67e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    6 LEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILA----LVDEARSV 81
Cdd:PRK09801  11 LQVLVEIVHSGSFSAAAATLGQTPAFVTKRIQILENTLATTLLNRSARGVALTESGQRCYEHALEILTqyqrLVDDVTQI 90
                         90       100       110
                 ....*....|....*....|....*....|....*...
gi 16129485   82 VAgdEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQ 119
Cdd:PRK09801  91 KT--RPEGMIRIGCSFGFGRSHIAPAITELMRNYPELQ 126
cbl PRK12679
HTH-type transcriptional regulator Cbl;
1-290 5.52e-07

HTH-type transcriptional regulator Cbl;


Pssm-ID: 183676 [Multi-domain]  Cd Length: 316  Bit Score: 50.19  E-value: 5.52e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAG-SITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLR-LSPAGHNFLRYSQQILalvDEA 78
Cdd:PRK12679   1 MNFQQLKIIREAARQDyNLTEVANMLFTSQSGVSRHIRELEDELGIEIFIRRGKRLLgMTEPGKALLVIAERIL---NEA 77
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   79 RSV-----VAGDEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPI-NHTA 152
Cdd:PRK12679  78 SNVrrladLFTNDTSGVLTIATTHTQARYSLPEVIKAFRELFPEVRLELIQGTPQEIATLLQNGEADIGIASERLsNDPQ 157
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  153 IDGIPVYREELMIVTPQGYaPVTRASQVNGSNIYA-----FRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIA 227
Cdd:PRK12679 158 LVAFPWFRWHHSLLVPHDH-PLTQITPLTLESIAKwplitYRQGITGRSRIDDAFARKGLLADIVLSAQDSDVIKTYVAL 236
                        250       260       270       280       290       300       310
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 16129485  228 GAGIALI--------PRSMLESMPGHHQVEAwplaeqwrwLTTWLVWRRGAKTRP-LEAFIQL----LDVPDSARQ 290
Cdd:PRK12679 237 GLGIGLVaeqssgeqEESNLIRLDTRHLFDA---------NTVWLGLKRGQLQRNyVWRFLELcnagLSVEDIKRQ 303
PRK03601 PRK03601
HTH-type transcriptional regulator HdfR;
9-98 7.33e-07

HTH-type transcriptional regulator HdfR;


Pssm-ID: 235137 [Multi-domain]  Cd Length: 275  Bit Score: 49.63  E-value: 7.33e-07
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    9 FNAVAEAGSITQAAakvhrvpsnLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARSVVAGDEPQ 88
Cdd:PRK03601  18 FGRAAESLYLTQSA---------VSFRIRQLENQLGVNLFTRHRNNIRLTAAGERLLPYAETLMNTWQAAKKEVAHTSQH 88
                         90
                 ....*....|
gi 16129485   89 GLFSLGSLES 98
Cdd:PRK03601  89 NELSIGASAS 98
PBP2_CynR cd08425
The C-terminal substrate-binding domain of the LysR-type transcriptional regulator CynR, ...
108-281 2.44e-06

The C-terminal substrate-binding domain of the LysR-type transcriptional regulator CynR, contains the type 2 periplasmic binding fold; CynR is a LysR-like transcriptional regulator of the cyn operon, which encodes genes that allow cyanate to be used as a sole source of nitrogen. The operon includes three genes in the following order: cynT (cyanate permease), cynS (cyanase), and cynX (a protein of unknown function). CynR negatively regulates its own expression independently of cyanate. CynR binds to DNA and induces bending of DNA in the presence or absence of cyanate, but the amount of bending is decreased by cyanate. The CynR of LysR-type transcriptional regulator family is composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins (PBP2). The PBP2 are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176116  Cd Length: 197  Bit Score: 47.32  E-value: 2.44e-06
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 108 LAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYAPVTRASQVNGSNIYA 187
Cdd:cd08425  20 IDRFHARYPGIALSLREMPQERIEAALADDRLDLGIAFAPVRSPDIDAQPLFDERLALVVGATHPLAQRRTALTLDDLAA 99
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 188 -----FRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMLESMPGHHQVEAWPLAEQwrwLTT 262
Cdd:cd08425 100 eplalLSPDFATRQHIDRYFQKQGIKPRIAIEANSISAVLEVVRRGRLATILPDAIAREQPGLCAVALEPPLPG---RTA 176
                       170       180
                ....*....|....*....|
gi 16129485 263 WLVWRRGA-KTRPLEAFIQL 281
Cdd:cd08425 177 ALLRRKGAyRSAAARAFAAL 196
PBP2_AlsR cd08452
The C-terminal substrate binding domain of LysR-type trnascriptional regulator AlsR, which ...
104-237 3.28e-06

The C-terminal substrate binding domain of LysR-type trnascriptional regulator AlsR, which regulates acetoin formation under stationary phase growth conditions; contains the type 2 periplasmic binding fold; AlsR is responsible for activating the expression of the acetoin operon (alsSD) in response to inducing signals such as glucose and acetate. Like many other LysR family proteins, AlsR is transcribed divergently from the alsSD operon. The alsS gene encodes acetolactate synthase, an enzyme involved in the production of acetoin in cells of stationary-phase. AlsS catalyzes the conversion of two pyruvate molecules to acetolactate and carbon dioxide. Acetolactate is then converted to acetoin at low pH by acetolactate decarboxylase which encoded by the alsD gene. Acetoin is an important physiological metabolite excreted by many microorganisms grown on glucose or other fermentable carbon sources. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176143 [Multi-domain]  Cd Length: 197  Bit Score: 46.73  E-value: 3.28e-06
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 104 IPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYaPVTRASQVNGS 183
Cdd:cd08452  15 LPPIVREYRKKFPSVKVELRELSSPDQVEELLKGRIDIGFLHPPIQHTALHIETVQSSPCVLALPKQH-PLASKEEITIE 93
                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|.
gi 16129485 184 NI-------YAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRS 237
Cdd:cd08452  94 DLrdepiitVAREAWPTLYDEIIQLCEQAGFRPKIVQEATEYQTVIGLVSAGIGVTFVPSS 154
PBP2_LTTR_like_5 cd08426
The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional ...
92-235 3.42e-06

The C-terminal substrate binding domain of an uncharacterized LysR-type transcriptional regulator, contains the type 2 periplasmic binding fold; LysR-transcriptional regulators comprise the largest family of prokaryotic transcription factor. Homologs of some of LTTRs with similar domain organizations are also found in the archaea and eukaryotic organisms. The LTTRs are composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins. As also observed in the periplasmic binding proteins, the C-terminal domain of the bacterial transcriptional repressor undergoes a conformational change upon substrate binding which in turn changes the DNA binding affinity of the repressor. The genes controlled by the LTTRs have diverse functional roles including amino acid biosynthesis, CO2 fixation, antibiotic resistance, degradation of aromatic compounds, nodule formation of nitrogen-fixing bacteria, and synthesis of virulence factors, to a name a few. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176117 [Multi-domain]  Cd Length: 199  Bit Score: 46.92  E-value: 3.42e-06
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  92 SLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGY 171
Cdd:cd08426   3 RVATGEGLAAELLPSLIARFRQRYPGVFFTVDVASTADVLEAVLSGEADIGLAFSPPPEPGIRVHSRQPAPIGAVVPPGH 82
                        90       100       110       120       130       140
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 16129485 172 aPVTRASQVNGSNIYAFR-----ANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIP 235
Cdd:cd08426  83 -PLARQPSVTLAQLAGYPlalppPSFSLRQILDAAFARAGVQLEPVLISNSIETLKQLVAAGGGISLLT 150
cysB PRK12681
HTH-type transcriptional regulator CysB;
37-118 3.84e-06

HTH-type transcriptional regulator CysB;


Pssm-ID: 183678 [Multi-domain]  Cd Length: 324  Bit Score: 47.59  E-value: 3.84e-06
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   37 RQLETELGVDLFIRENQRL-RLSPAGHNFLRYSQQILALVDEARSVVA--GDEPQGLFSLGSLESTAAVRIPATLAEFNR 113
Cdd:PRK12681  38 RMLEDELGIQIFARSGKHLtQVTPAGEEIIRIAREILSKVESIKSVAGehTWPDKGSLYIATTHTQARYALPPVIKGFIE 117

                 ....*
gi 16129485  114 RYPKI 118
Cdd:PRK12681 118 RYPRV 122
PRK03635 PRK03635
ArgP/LysG family DNA-binding transcriptional regulator;
1-88 3.90e-06

ArgP/LysG family DNA-binding transcriptional regulator;


Pssm-ID: 235144 [Multi-domain]  Cd Length: 294  Bit Score: 47.46  E-value: 3.90e-06
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIREnQRLRLSPAGHNFLRYSQQILALVDEARS 80
Cdd:PRK03635   2 LDYKQLEALAAVVREGSFERAAQKLHITQSAVSQRIKALEERVGQVLLVRT-QPCRPTEAGQRLLRHARQVRLLEAELLG 80

                 ....*...
gi 16129485   81 VVAGDEPQ 88
Cdd:PRK03635  81 ELPALDGT 88
PBP2_CbbR_RubisCO_like cd08419
The C-terminal substrate binding of LysR-type transcriptional regulator (CbbR) of RubisCO ...
98-282 6.84e-06

The C-terminal substrate binding of LysR-type transcriptional regulator (CbbR) of RubisCO operon, which is involved in the carbon dioxide fixation, contains the type 2 periplasmic binding fold; CbbR, a LysR-type transcriptional regulator, is required to activate expression of RubisCO, one of two unique enzymes in the Calvin-Benson-Bassham (CBB) cycle pathway. All plants, cyanobacteria, and many autotrophic bacteria use the CBB cycle to fix carbon dioxide. Thus, this cycle plays an essential role in assimilating CO2 into organic carbon on earth. The key CBB cycle enzyme is ribulose 1,5-bisphosphate carboxylase/oxygenase (RubisCO), which catalyzes the actual CO2 fixation reaction. The CO2 concentration affects the expression of RubisCO genes. It has also shown that NADPH enhances the DNA-binding ability of the CbbR. RubisCO is composed of eight large (CbbL) and eight small subunits (CbbS). The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176111  Cd Length: 197  Bit Score: 45.96  E-value: 6.84e-06
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  98 STAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIPVYREELMIVTPQGYaPVTRA 177
Cdd:cd08419   8 STAKYFAPRLLGAFCRRHPGVEVSLRVGNREQVLERLADNEDDLAIMGRPPEDLDLVAEPFLDNPLVVIAPPDH-PLAGQ 86
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 178 SQV--------------NGSNIyafrancsyRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRS--MLES 241
Cdd:cd08419  87 KRIplerlarepfllrePGSGT---------RLAMERFFAEHGVTLRVRMELGSNEAIKQAVMAGLGLSVLSLHtlALEL 157
                       170       180       190       200
                ....*....|....*....|....*....|....*....|....*
gi 16129485 242 MPGHHQ---VEAWPLAEQWRwlttwLVWRRGAK-TRPLEAFIQLL 282
Cdd:cd08419 158 ATGRLAvldVEGFPIRRQWY-----VVHRKGKRlSPAAQAFLDFL 197
PRK10632 PRK10632
HTH-type transcriptional activator AaeR;
3-125 1.01e-05

HTH-type transcriptional activator AaeR;


Pssm-ID: 182601 [Multi-domain]  Cd Length: 309  Bit Score: 46.29  E-value: 1.01e-05
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    3 LTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGHNFLRYSQQILALVDEARSVV 82
Cdd:PRK10632   4 LKRMSVFAKVVEFGSFTAAARQLQMSVSSISQTVSKLEDELQVKLLNRSTRSIGLTEAGRIYYQGCRRMLHEVQDVHEQL 83
                         90       100       110       120
                 ....*....|....*....|....*....|....*....|....*.
gi 16129485   83 AG--DEPQGLFSLGSlESTAAVRIPATL-AEFNRRYPKIQFSLSTG 125
Cdd:PRK10632  84 YAfnNTPIGTLRIGC-SSTMAQNVLAGLtAKMLKEYPGLSVNLVTG 128
PRK11151 PRK11151
DNA-binding transcriptional regulator OxyR; Provisional
1-235 1.13e-05

DNA-binding transcriptional regulator OxyR; Provisional


Pssm-ID: 182999 [Multi-domain]  Cd Length: 305  Bit Score: 46.18  E-value: 1.13e-05
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485    1 MDLTQLEMFNAVAEAGSITQAAAKVHRVPSNLTTRLRQLETELGVDLFIRENQRLRLSPAGhnflrysqqiLALVDEARS 80
Cdd:PRK11151   1 MNIRDLEYLVALAEHRHFRRAADSCHVSQPTLSGQIRKLEDELGVMLLERTSRKVLFTQAG----------LLLVDQART 70
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485   81 VV------------AGDEPQGLFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLN-------- 140
Cdd:PRK11151  71 VLrevkvlkemasqQGETMSGPLHIGLIPTVGPYLLPHIIPMLHQTFPKLEMYLHEAQTHQLLAQLDSGKLDcailalvk 150
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  141 --AAFIDgpinhtaidgIPVYREELMIVTPQGYAPVTRA----SQVNGSNI---------------YAFRANCSYRRHFE 199
Cdd:PRK11151 151 esEAFIE----------VPLFDEPMLLAVYEDHPWANRDrvpmSDLAGEKLlmledghclrdqamgFCFEAGADEDTHFR 220
                        250       260       270
                 ....*....|....*....|....*....|....*.
gi 16129485  200 SwfhadgaapgtiHEMESYHGMLAcviAGAGIALIP 235
Cdd:PRK11151 221 A------------TSLETLRNMVA---AGSGITLLP 241
PBP2_MdcR cd08416
The C-terminal substrate-binding domian of LysR-type transcriptional regulator MdcR, which ...
91-258 2.63e-05

The C-terminal substrate-binding domian of LysR-type transcriptional regulator MdcR, which involved in the malonate catabolism contains the type 2 periplasmic binding fold; This family includes the C-terminal substrate binding domain of LysR-type transcriptional regulator (LTTR) MdcR that controls the expression of the malonate decarboxylase (mdc) genes. Like other members of the LTTRs, MdcR is a positive regulatory protein for its target promoter and composed of two functional domains joined by a linker helix involved in oligomerization: an N-terminal HTH (helix-turn-helix) domain, which is responsible for the DNA-binding specificity, and a C-terminal substrate-binding domain, which is structurally homologous to the type 2 periplasmic binding proteins (PBP2). The PBP2 are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis. Besides transport proteins, the PBP2 superfamily includes the substrate- binding domains from ionotropic glutamate receptors, LysR-like transcriptional regulators, and unorthodox sensor proteins involved in signal transduction.


Pssm-ID: 176108  Cd Length: 199  Bit Score: 44.26  E-value: 2.63e-05
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  91 FSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFI--DGPINHTAIDGIPVYREELMIVTP 168
Cdd:cd08416   2 LRLGSLYSLTVNTVPRIIMGLKLRRPELDIELTLGSNKDLLKKLKDGELDAILVatPEGLNDPDFEVVPLFEDDIFLAVP 81
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 169 QGyAPVTRASQVNGSNIyafrANCSY---------RRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSML 239
Cdd:cd08416  82 AT-SPLAASSEIDLRDL----KDEKFvtlsegfatYRGFDEAFEIAGFEPNVVMRVNDIFSLMSMVSGGVGYALLPGRIA 156
                       170
                ....*....|....*....
gi 16129485 240 ESMpgHHQVEAWPLAEQWR 258
Cdd:cd08416 157 DVY--EDKVQLIPLAEPYQ 173
PBP2_MleR cd08437
The substrate binding domain of LysR-type transcriptional regulator MleR which required for ...
105-181 2.88e-05

The substrate binding domain of LysR-type transcriptional regulator MleR which required for malolactic fermentation, contains type 2 periplasmic binidning fold; MleR, a transcription activator of malolactic fermentation system, is found in gram-positive bacteria and belongs to the lysR family of bacterial transcriptional regulators. The mleR gene is required for the expression and induction of malolactic fermentation. This substrate binding domain has significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176128  Cd Length: 198  Bit Score: 43.86  E-value: 2.88e-05
                        10        20        30        40        50        60        70
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 16129485 105 PATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDG--PINHTAIDGIPVYREELMIVTPQGYaPVTRASQVN 181
Cdd:cd08437  16 PKLAKDLIKTGLMIQIDTYEGGSAELLEQLLQGDLDIALLGSltPLENSALHSKIIKTQHFMIIVSKDH-PLAKAKKVN 93
PBP2_IlvY cd08430
The C-terminal substrate binding of LysR-type transcriptional regulator IlvY, which activates ...
99-243 4.49e-05

The C-terminal substrate binding of LysR-type transcriptional regulator IlvY, which activates the expression of ilvC gene that encoding acetohydroxy acid isomeroreductase for the biosynthesis of branched amino acids; contains the type 2 periplasmic bindin; In Escherichia coli, IlvY is required for the regulation of ilvC gene expression that encodes acetohydroxy acid isomeroreductase (AHIR), a key enzyme in the biosynthesis of branched-chain amino acids (isoleucine, valine, and leucine). The ilvGMEDA operon genes encode remaining enzyme activities required for the biosynthesis of these amino acids. Activation of ilvC transcription by IlvY requires the additional binding of a co-inducer molecule (either alpha-acetolactate or alpha-acetohydoxybutyrate, the substrates for AHIR) to a preformed complex of IlvY protein-DNA. Like many other LysR-family members, IlvY negatively auto-regulates the transcription of its own divergently transcribed ilvY gene in an inducer-independent manner. This substrate-binding domain has significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176121  Cd Length: 199  Bit Score: 43.34  E-value: 4.49e-05
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  99 TAAVRI-PATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTA------IDGIPvyreeLMIVTPQGY 171
Cdd:cd08430   9 TASYSFlPPILERFRAQHPQVEIKLHTGDPADAIDKVLNGEADIAIAARPDKLPArlaflpLATSP-----LVFIAPNIA 83
                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 16129485 172 APVTRasQVNGSNIYAFRANC------SYRRHFESWFHADGAAPgTIHEMESYH-GMLACVIAGAGIALIPRSMLESMP 243
Cdd:cd08430  84 CAVTQ--QLSQGEIDWSRLPFilpergLARERLDQWFRRRGIKP-NIYAQVAGHeAIVSMVALGCGVGIVPELVLDNSP 159
PBP2_BenM_CatM_CatR cd08445
The C-terminal substrate binding domain of LysR-type transcriptional regulators involved in ...
90-238 8.89e-05

The C-terminal substrate binding domain of LysR-type transcriptional regulators involved in benzoate catabolism; contains the type 2 periplasmic binding fold; This CD includes the C-terminal of LysR-type transcription regulators, BenM, CatM, and CatR, which are involved in the benzoate catabolism. The BenM and CatM are paralogs with overlapping functions. BenM responds synergistically to two effectors, benzoate and cis,cis-muconate, to activate expression of the benABCDE operon which is involved in benzoate catabolism, while CatM responses only to muconate. BenM and CatM share high protein sequence identity and bind to the operator-promoter regions that have similar DNA sequences. In Pseudomonas species, phenolic compounds are converted by different enzymes to central intermediates, such as protocatechuate and catechols. Generally, unsubstituted compounds, such as benzoate, are metabolized by an ortho-cleavage pathway. The catBCA operon encodes three enzymes of the ortho-pathway required for benzoate catabolism: muconate lactonizing enzyme I, muconolactone isomerase, and catechol 1,2-dioxygenase. CatR normally responds to benzoate and cis,cis-muconate, an inducer molecule, to activate transcription of the catBCA operon, whose gene products convert benzoate to catechol. The structural topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis. Besides transport proteins, the PBP2 superfamily includes the substrate-binding domains from ionotropic glutamate receptors, LysR-like transcriptional regulators, and unorthodox sensor proteins involved in signal transduction.


Pssm-ID: 176136  Cd Length: 203  Bit Score: 42.60  E-value: 8.89e-05
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485  90 LFSLGSLESTAAVRIPATLAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGPINHTAIDGIpVYREELMIVT-P 168
Cdd:cd08445   2 TFSIGFVPSTLYGLLPELIRRFRQAAPDVEIELIEMTTVQQIEALKEGRIDVGFGRLRIEDPAIRRI-VLREEPLVVAlP 80
                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*..
gi 16129485 169 QGYAPVTRASQVNGSN-------IYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSM 238
Cdd:cd08445  81 AGHPLAQEKAPLTLAQladepliLYPASPRPSFADQVLSLFRDHGLRPRVIQEVRELQTALGLVAAGEGVTLVPASV 157
PBP2_LTTR_beta_lactamase cd08484
The C-terminal substrate-domain of LysR-type transcriptional regulators for beta-lactamase ...
108-241 1.14e-04

The C-terminal substrate-domain of LysR-type transcriptional regulators for beta-lactamase genes, contains the type 2 periplasmic binding fold; This CD includes the C-terminal substrate binding domain of LysR-type transcriptional regulators, BlaA and AmpR, that are involved in control of the expression of beta-lactamase genes. Beta-lactamases are responsible for bacterial resistance to beta-lactam antibiotics such as penicillins. BlaA (a constitutive class A penicillinase) belongs to the LysR family of transcriptional regulators, while BlaB (an inducible class C cephalosporinase or AmpC) can be referred to as a penicillin-binding protein, but it does not act as a beta-lactamase. AmpR regulates the expression of beta-lactamases in many enterobacterial strains and many other gram-negative bacilli. In contrast to BlaA, AmpR acts an activator only in the presence of the beta-lactam inducer. In the absence of the inducer, AmpR acts as a repressor. The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176173 [Multi-domain]  Cd Length: 189  Bit Score: 41.97  E-value: 1.14e-04
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 108 LAEFNRRYPKIQFSLSTgpSGTMLDGVLEGkLNAAFIDGPINHTAIDGIPVYREEL-MIVTPQGYAPVTRASQVNGSNIY 186
Cdd:cd08484  19 LAEFRQLHPFIDLRLST--NNNRVDIAAEG-LDFAIRFGEGAWPGTDATRLFEAPLsPLCTPELARRLSEPADLANETLL 95
                        90       100       110       120       130
                ....*....|....*....|....*....|....*....|....*....|....*...
gi 16129485 187 AfrancSYRR-HFESWFHADGAAPGTIHE--MESYHGMLACVIAGAGIALIPRSMLES 241
Cdd:cd08484  96 R-----SYRAdEWPQWFEAAGVPPPPINGpvFDSSLLMVEAALQGAGVALAPPSMFSR 148
PBP2_BlaA cd08487
The C-terminal substrate-binding domain of LysR-type trnascriptional regulator BlaA which ...
108-281 1.39e-04

The C-terminal substrate-binding domain of LysR-type trnascriptional regulator BlaA which involved in control of the beta-lactamase gene expression; contains the type 2 periplasmic binding fold; This CD represents the C-terminal substrate binding domain of LysR-type transcriptional regulator, BlaA, that involved in control of the expression of beta-lactamase genes, blaA and blaB. Beta-lactamases are responsible for bacterial resistance to beta-lactam antibiotics such as penicillins. The blaA gene is located just upstream of blaB in the opposite direction and regulates the expression of the blaB. BlaA also negatively auto-regulates the expression of its own gene, blaA. BlaA (a constitutive class A penicllinase) belongs to the LysR family of transcriptional regulators, whereas BlaB (an inducible class C cephalosporinase or AmpC) can be referred to as a penicillin binding protein but it does not act as a beta-lactamase. The topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176176 [Multi-domain]  Cd Length: 189  Bit Score: 41.76  E-value: 1.39e-04
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 108 LAEFNRRYPKIQFSLSTGPSGTML------------DGVLEGKLNAAFIDGPINhtaidgipvyreelMIVTPQGYAPVT 175
Cdd:cd08487  19 LAEFRQLHPFIELRLRTNNNVVDLategldfairfgEGLWPATHNERLLDAPLS--------------VLCSPEIAKRLS 84
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 176 RASQVNGSNIYAfrancSYRR-HFESWFHADGAAPGTIHE--MESYHGMLACVIAGAGIALIPRSMLEsmpghHQVE--- 249
Cdd:cd08487  85 HPADLINETLLR-----SYRTdEWLQWFEAANMPPIKIRGpvFDSSRLMVEAAMQGAGVALAPAKMFS-----REIEngq 154
                       170       180       190
                ....*....|....*....|....*....|...
gi 16129485 250 -AWPLAEQWRWLTTWLVWrrgAKTRPLEAFIQL 281
Cdd:cd08487 155 lVQPFKIEVETGSYWLTW---LKSKPMTPAMEL 184
PBP2_GcdR_TrpI_HvrB_AmpR_like cd08432
The C-terminal substrate domain of LysR-type GcdR, TrPI, HvR and beta-lactamase regulators, ...
108-280 3.65e-03

The C-terminal substrate domain of LysR-type GcdR, TrPI, HvR and beta-lactamase regulators, and that of other closely related homologs; contains the type 2 periplasmic binding fold; This CD includes the C-terminal substrate domain of LysR-type transcriptional regulators involved in controlling the expression of glutaryl-CoA dehydrogenase (GcdH), S-adenosyl-L-homocysteine hydrolase, cell division protein FtsW, tryptophan synthase, and beta-lactamase. The structural topology of this substrate-binding domain is most similar to that of the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176123 [Multi-domain]  Cd Length: 194  Bit Score: 37.56  E-value: 3.65e-03
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 108 LAEFNRRYPKIQFSLSTGPSGTmldgvlegKLNAAFIDGPINHTAIDGIPVYREELMivtPQGYAPVTRASQVNGSNIYA 187
Cdd:cd08432  19 LARFQARHPDIDLRLSTSDRLV--------DFAREGIDLAIRYGDGDWPGLEAERLM---DEELVPVCSPALLAGLPLLS 87
                        90       100       110       120       130       140       150       160
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 188 FR--ANC----SYRRHFESWF---HADGAAPGTIHEM--ESYHGMLACVIAGAGIALIPRSMLESM--------PGHHqv 248
Cdd:cd08432  88 PAdlARHtllhDATRPEAWQWwlwAAGVADVDARRGPrfDDSSLALQAAVAGLGVALAPRALVADDlaagrlvrPFDL-- 165
                       170       180       190
                ....*....|....*....|....*....|...
gi 16129485 249 eawPLAEQWRWlttWLVWRRGAKTRP-LEAFIQ 280
Cdd:cd08432 166 ---PLPSGGAY---YLVYPPGRAESPaVAAFRD 192
PBP2_XapR cd08449
The C-terminal substrate binding domain of LysR-type transcriptional regulator XapR involved ...
108-255 5.51e-03

The C-terminal substrate binding domain of LysR-type transcriptional regulator XapR involved in xanthosine catabolism, contains the type 2 periplasmic binding fold; In Escherichia coli, XapR is a positive regulator for the expression of xapA gene, encoding xanthosine phosphorylase, and xapB gene, encoding a polypeptide similar to the nucleotide transport protein NupG. As an operon, the expression of both xapA and xapB is fully dependent on the presence of both XapR and the inducer xanthosine. Expression of the xapR is constitutive but not auto-regulated, unlike many other LysR family proteins. This substrate-binding domain shows significant homology to the type 2 periplasmic binding proteins (PBP2), which are responsible for the uptake of a variety of substrates such as phosphate, sulfate, polysaccharides, lysine/arginine/ornithine, and histidine. The PBP2 bind their ligand in the cleft between these domains in a manner resembling a Venus flytrap. After binding their specific ligand with high affinity, they can interact with a cognate membrane transport complex comprised of two integral membrane domains and two cytoplasmically located ATPase domains. This interaction triggers the ligand translocation across the cytoplasmic membrane energized by ATP hydrolysis.


Pssm-ID: 176140 [Multi-domain]  Cd Length: 197  Bit Score: 37.25  E-value: 5.51e-03
                        10        20        30        40        50        60        70        80
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 16129485 108 LAEFNRRYPKIQFSLSTGPSGTMLDGVLEGKLNAAFIDGP--INHTAIDGIPVYREELMIVTPQGYaPVTRASQV----- 180
Cdd:cd08449  19 LRRFKRQYPNVTVRFHELSPEAQKAALLSKRIDLGFVRFAdtLNDPPLASELLWREPMVVALPEEH-PLAGRKSLtladl 97
                        90       100       110       120       130       140       150
                ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 16129485 181 -NGSNIYAFRANCSYRRHFESWFHADGAAPGTIHEMESYHGMLACVIAGAGIALIPRSMlESMPgHHQVEAWPLAE 255
Cdd:cd08449  98 rDEPFVFLRLANSRFADFLINCCLQAGFTPQITQEVVEPQTLMALVAAGFGVALVPESY-ARLP-WPGVRFIPLKQ 171
COG4190 COG4190
Predicted transcriptional regulator, contains HTH domain [Transcription];
6-56 6.14e-03

Predicted transcriptional regulator, contains HTH domain [Transcription];


Pssm-ID: 443344  Cd Length: 121  Bit Score: 36.03  E-value: 6.14e-03
                        10        20        30        40        50
                ....*....|....*....|....*....|....*....|....*....|...
gi 16129485   6 LEMFNAVAEAG--SITQAAAKVHRVPSNLTTRLRQLEtELGVDLFIRENQRLR 56
Cdd:COG4190  55 LELLRAIAEEGpeSIRELARRLGRDVKNVHRDLKTLE-ELGLVELEEDGRAKR 106
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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