MULTISPECIES: RNA polymerase sigma factor [Enterobacter]
RNA polymerase sigma factor( domain architecture ID 11446377)
RNA polymerase sigma factor plays a role in bacterial signal transduction and is regulated by anti-sigma factors. May belong to the ECF-type subfamily. Generally, sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released.
List of domain hits
Name | Accession | Description | Interval | E-value | ||||
RpoE | COG1595 | DNA-directed RNA polymerase specialized sigma subunit, sigma24 family [Transcription]; ... |
15-177 | 1.41e-26 | ||||
DNA-directed RNA polymerase specialized sigma subunit, sigma24 family [Transcription]; DNA-directed RNA polymerase specialized sigma subunit, sigma24 family is part of the Pathway/BioSystem: RNA polymerase : Pssm-ID: 441203 [Multi-domain] Cd Length: 181 Bit Score: 99.30 E-value: 1.41e-26
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Name | Accession | Description | Interval | E-value | ||||
RpoE | COG1595 | DNA-directed RNA polymerase specialized sigma subunit, sigma24 family [Transcription]; ... |
15-177 | 1.41e-26 | ||||
DNA-directed RNA polymerase specialized sigma subunit, sigma24 family [Transcription]; DNA-directed RNA polymerase specialized sigma subunit, sigma24 family is part of the Pathway/BioSystem: RNA polymerase Pssm-ID: 441203 [Multi-domain] Cd Length: 181 Bit Score: 99.30 E-value: 1.41e-26
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PRK09652 | PRK09652 | RNA polymerase sigma factor RpoE; Provisional |
21-177 | 1.55e-23 | ||||
RNA polymerase sigma factor RpoE; Provisional Pssm-ID: 236608 [Multi-domain] Cd Length: 182 Bit Score: 91.41 E-value: 1.55e-23
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sigma70-ECF | TIGR02937 | RNA polymerase sigma factor, sigma-70 family; This model encompasses all varieties of the ... |
15-175 | 2.01e-20 | ||||
RNA polymerase sigma factor, sigma-70 family; This model encompasses all varieties of the sigma-70 type sigma factors including the ECF subfamily. A number of sigma factors have names with a different number than 70 (i.e. sigma-38), but in fact, all except for the Sigma-54 family (TIGR02395) are included within this family. Several Pfam models hit segments of these sequences including Sigma-70 region 2 (pfam04542) and Sigma-70, region 4 (pfam04545), but not always above their respective trusted cutoffs. Pssm-ID: 274357 [Multi-domain] Cd Length: 158 Bit Score: 82.78 E-value: 2.01e-20
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Sigma70_r4 | cd06171 | Sigma70, region (SR) 4 refers to the most C-terminal of four conserved domains found in ... |
118-172 | 2.37e-06 | ||||
Sigma70, region (SR) 4 refers to the most C-terminal of four conserved domains found in Escherichia coli (Ec) sigma70, the main housekeeping sigma, and related sigma-factors (SFs). A SF is a dissociable subunit of RNA polymerase, it directs bacterial or plastid core RNA polymerase to specific promoter elements located upstream of transcription initiation points. The SR4 of Ec sigma70 and other essential primary SFs contact promoter sequences located 35 base-pairs upstream of the initiation point, recognizing a 6-base-pair -35 consensus TTGACA. Sigma70 related SFs also include SFs which are dispensable for bacterial cell growth for example Ec sigmaS, SFs which activate regulons in response to a specific signal for example heat-shock Ec sigmaH, and a group of SFs which includes the extracytoplasmic function (ECF) SFs and is typified by Ec sigmaE which contains SR2 and -4 only. ECF SFs direct the transcription of genes that regulate various responses including periplasmic stress and pathogenesis. Ec sigmaE SR4 also contacts the -35 element, but recognizes a different consensus (a 7-base-pair GGAACTT). Plant SFs recognize sigma70 type promoters and direct transcription of the major plastid RNA polymerase, plastid-encoded RNA polymerase (PEP). Pssm-ID: 100119 [Multi-domain] Cd Length: 55 Bit Score: 42.86 E-value: 2.37e-06
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Sigma70_r4_2 | pfam08281 | Sigma-70, region 4; Region 4 of sigma-70 like sigma-factors are involved in binding to the -35 ... |
119-171 | 7.96e-06 | ||||
Sigma-70, region 4; Region 4 of sigma-70 like sigma-factors are involved in binding to the -35 promoter element via a helix-turn-helix motif. Pssm-ID: 400535 [Multi-domain] Cd Length: 54 Bit Score: 41.67 E-value: 7.96e-06
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Name | Accession | Description | Interval | E-value | ||||
RpoE | COG1595 | DNA-directed RNA polymerase specialized sigma subunit, sigma24 family [Transcription]; ... |
15-177 | 1.41e-26 | ||||
DNA-directed RNA polymerase specialized sigma subunit, sigma24 family [Transcription]; DNA-directed RNA polymerase specialized sigma subunit, sigma24 family is part of the Pathway/BioSystem: RNA polymerase Pssm-ID: 441203 [Multi-domain] Cd Length: 181 Bit Score: 99.30 E-value: 1.41e-26
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PRK09652 | PRK09652 | RNA polymerase sigma factor RpoE; Provisional |
21-177 | 1.55e-23 | ||||
RNA polymerase sigma factor RpoE; Provisional Pssm-ID: 236608 [Multi-domain] Cd Length: 182 Bit Score: 91.41 E-value: 1.55e-23
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PRK09637 | PRK09637 | RNA polymerase sigma factor SigZ; Provisional |
19-181 | 1.73e-20 | ||||
RNA polymerase sigma factor SigZ; Provisional Pssm-ID: 236601 [Multi-domain] Cd Length: 181 Bit Score: 83.50 E-value: 1.73e-20
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sigma70-ECF | TIGR02937 | RNA polymerase sigma factor, sigma-70 family; This model encompasses all varieties of the ... |
15-175 | 2.01e-20 | ||||
RNA polymerase sigma factor, sigma-70 family; This model encompasses all varieties of the sigma-70 type sigma factors including the ECF subfamily. A number of sigma factors have names with a different number than 70 (i.e. sigma-38), but in fact, all except for the Sigma-54 family (TIGR02395) are included within this family. Several Pfam models hit segments of these sequences including Sigma-70 region 2 (pfam04542) and Sigma-70, region 4 (pfam04545), but not always above their respective trusted cutoffs. Pssm-ID: 274357 [Multi-domain] Cd Length: 158 Bit Score: 82.78 E-value: 2.01e-20
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SigZ | TIGR02959 | RNA polymerase sigma factor, SigZ family; This family of RNA polymerase sigma factors is a ... |
19-180 | 2.98e-18 | ||||
RNA polymerase sigma factor, SigZ family; This family of RNA polymerase sigma factors is a member of the Sigma-70 subfamily (TIGR02937). One of these is designated as SigZ in B. subtilis (Swiss_Prot: SIGZ_BACSU). Interestingly, this group has a very sporatic distribution, B. subtilis, for instance, being the only sequenced strain of Bacilli with a member. Dechloromonas aromatica RCB appears to have two of these sigma factors. A member appears on a plasmid found in Photobacterium profundum SS9 and Vibrio fischeri ES114 (where a second one is chromosomally encoded). Pssm-ID: 132004 [Multi-domain] Cd Length: 170 Bit Score: 77.41 E-value: 2.98e-18
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Sig70_bacteroi1 | TIGR02985 | RNA polymerase sigma-70 factor, Bacteroides expansion family 1; This group of sigma factors ... |
20-175 | 2.52e-15 | ||||
RNA polymerase sigma-70 factor, Bacteroides expansion family 1; This group of sigma factors are members of the sigma-70 family (TIGR02937) and are found primarily in the genus Bacteroides. This family appears to have resulted from a lineage-specific expansion as B. thetaiotaomicron VPI-5482, Bacteroides forsythus ATCC 43037, Bacteroides fragilis YCH46 and Bacteroides fragilis NCTC 9343 contain 25, 12, 24 and 23 members, respectively. There are currentlyonly two known members of this family outside of the Bacteroides, in Rhodopseudomonas and Bradyrhizobium. Pssm-ID: 274376 [Multi-domain] Cd Length: 161 Bit Score: 69.51 E-value: 2.52e-15
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PRK11924 | PRK11924 | RNA polymerase sigma factor; Provisional |
19-177 | 7.77e-14 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 183384 [Multi-domain] Cd Length: 179 Bit Score: 66.15 E-value: 7.77e-14
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PRK12513 | PRK12513 | RNA polymerase sigma factor; Provisional |
19-175 | 2.87e-13 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 183566 [Multi-domain] Cd Length: 194 Bit Score: 64.71 E-value: 2.87e-13
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Sig-70_gvs1 | TIGR02989 | RNA polymerase sigma-70 factor, Rhodopirellula/Verrucomicrobium family; This group of sigma ... |
15-175 | 2.60e-11 | ||||
RNA polymerase sigma-70 factor, Rhodopirellula/Verrucomicrobium family; This group of sigma factors are members of the sigma-70 family (TIGR02937) and are abundantly found in the species Rhodopirellula baltica (11), and Verrucomicrobium spinosum (16) and to a lesser extent in Gemmata obscuriglobus (2). Pssm-ID: 274379 [Multi-domain] Cd Length: 159 Bit Score: 58.87 E-value: 2.60e-11
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PRK12512 | PRK12512 | RNA polymerase sigma factor; Provisional |
15-177 | 3.71e-09 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 171551 [Multi-domain] Cd Length: 184 Bit Score: 53.55 E-value: 3.71e-09
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PRK12516 | PRK12516 | RNA polymerase sigma factor; Provisional |
22-178 | 1.36e-08 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 183568 [Multi-domain] Cd Length: 187 Bit Score: 51.89 E-value: 1.36e-08
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PRK09645 | PRK09645 | ECF RNA polymerase sigma factor SigL; |
2-172 | 2.41e-08 | ||||
ECF RNA polymerase sigma factor SigL; Pssm-ID: 236605 [Multi-domain] Cd Length: 173 Bit Score: 51.23 E-value: 2.41e-08
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PRK12527 | PRK12527 | RNA polymerase sigma factor; Reviewed |
22-176 | 2.77e-07 | ||||
RNA polymerase sigma factor; Reviewed Pssm-ID: 171560 [Multi-domain] Cd Length: 159 Bit Score: 47.85 E-value: 2.77e-07
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PRK09641 | PRK09641 | RNA polymerase sigma factor SigW; Provisional |
60-177 | 3.28e-07 | ||||
RNA polymerase sigma factor SigW; Provisional Pssm-ID: 182012 [Multi-domain] Cd Length: 187 Bit Score: 48.15 E-value: 3.28e-07
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PRK12546 | PRK12546 | RNA polymerase sigma factor; Provisional |
22-180 | 4.46e-07 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 139055 [Multi-domain] Cd Length: 188 Bit Score: 47.91 E-value: 4.46e-07
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PRK12536 | PRK12536 | RNA polymerase sigma factor; Provisional |
15-178 | 6.73e-07 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 237131 [Multi-domain] Cd Length: 181 Bit Score: 47.35 E-value: 6.73e-07
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PRK07037 | PRK07037 | extracytoplasmic-function sigma-70 factor; Validated |
19-156 | 1.27e-06 | ||||
extracytoplasmic-function sigma-70 factor; Validated Pssm-ID: 180803 [Multi-domain] Cd Length: 163 Bit Score: 46.22 E-value: 1.27e-06
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PRK12541 | PRK12541 | RNA polymerase sigma factor; Provisional |
37-174 | 1.65e-06 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 183580 [Multi-domain] Cd Length: 161 Bit Score: 45.70 E-value: 1.65e-06
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PRK12547 | PRK12547 | RNA polymerase sigma factor; Provisional |
22-178 | 1.80e-06 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 139056 [Multi-domain] Cd Length: 164 Bit Score: 45.64 E-value: 1.80e-06
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Sigma70_r4 | cd06171 | Sigma70, region (SR) 4 refers to the most C-terminal of four conserved domains found in ... |
118-172 | 2.37e-06 | ||||
Sigma70, region (SR) 4 refers to the most C-terminal of four conserved domains found in Escherichia coli (Ec) sigma70, the main housekeeping sigma, and related sigma-factors (SFs). A SF is a dissociable subunit of RNA polymerase, it directs bacterial or plastid core RNA polymerase to specific promoter elements located upstream of transcription initiation points. The SR4 of Ec sigma70 and other essential primary SFs contact promoter sequences located 35 base-pairs upstream of the initiation point, recognizing a 6-base-pair -35 consensus TTGACA. Sigma70 related SFs also include SFs which are dispensable for bacterial cell growth for example Ec sigmaS, SFs which activate regulons in response to a specific signal for example heat-shock Ec sigmaH, and a group of SFs which includes the extracytoplasmic function (ECF) SFs and is typified by Ec sigmaE which contains SR2 and -4 only. ECF SFs direct the transcription of genes that regulate various responses including periplasmic stress and pathogenesis. Ec sigmaE SR4 also contacts the -35 element, but recognizes a different consensus (a 7-base-pair GGAACTT). Plant SFs recognize sigma70 type promoters and direct transcription of the major plastid RNA polymerase, plastid-encoded RNA polymerase (PEP). Pssm-ID: 100119 [Multi-domain] Cd Length: 55 Bit Score: 42.86 E-value: 2.37e-06
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PRK12540 | PRK12540 | RNA polymerase sigma factor; Provisional |
22-175 | 4.83e-06 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 183579 [Multi-domain] Cd Length: 182 Bit Score: 44.96 E-value: 4.83e-06
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Sigma70_r4_2 | pfam08281 | Sigma-70, region 4; Region 4 of sigma-70 like sigma-factors are involved in binding to the -35 ... |
119-171 | 7.96e-06 | ||||
Sigma-70, region 4; Region 4 of sigma-70 like sigma-factors are involved in binding to the -35 promoter element via a helix-turn-helix motif. Pssm-ID: 400535 [Multi-domain] Cd Length: 54 Bit Score: 41.67 E-value: 7.96e-06
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SigE-fam_strep | TIGR02983 | RNA polymerase sigma-70 factor, sigma-E family; This group of similar sigma-70 factors ... |
19-175 | 2.16e-05 | ||||
RNA polymerase sigma-70 factor, sigma-E family; This group of similar sigma-70 factors includes the sigE factor from Streptomyces coelicolor. The family appears to include a paralagous expansion in the Streptomycetes lineage, while related Actinomycetales have at most two representatives. Pssm-ID: 132028 [Multi-domain] Cd Length: 162 Bit Score: 42.76 E-value: 2.16e-05
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Sigma70_r2 | pfam04542 | Sigma-70 region 2; Region 2 of sigma-70 is the most conserved region of the entire protein. ... |
16-76 | 5.70e-05 | ||||
Sigma-70 region 2; Region 2 of sigma-70 is the most conserved region of the entire protein. All members of this class of sigma-factor contain region 2. The high conservation is due to region 2 containing both the -10 promoter recognition helix and the primary core RNA polymerase binding determinant. The core binding helix, interacts with the clamp domain of the largest polymerase subunit, beta prime. The aromatic residues of the recognition helix, found at the C-terminus of this domain are though to mediate strand separation, thereby allowing transcription initiation. Pssm-ID: 427998 [Multi-domain] Cd Length: 71 Bit Score: 39.49 E-value: 5.70e-05
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PRK09647 | PRK09647 | RNA polymerase sigma factor SigE; Reviewed |
35-177 | 6.37e-05 | ||||
RNA polymerase sigma factor SigE; Reviewed Pssm-ID: 236606 [Multi-domain] Cd Length: 203 Bit Score: 41.70 E-value: 6.37e-05
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PRK09639 | PRK09639 | RNA polymerase sigma factor SigX; Provisional |
33-185 | 6.79e-05 | ||||
RNA polymerase sigma factor SigX; Provisional Pssm-ID: 236602 [Multi-domain] Cd Length: 166 Bit Score: 41.47 E-value: 6.79e-05
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PRK09644 | PRK09644 | RNA polymerase sigma factor SigM; Provisional |
37-185 | 7.75e-05 | ||||
RNA polymerase sigma factor SigM; Provisional Pssm-ID: 170033 [Multi-domain] Cd Length: 165 Bit Score: 41.40 E-value: 7.75e-05
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PRK05602 | PRK05602 | RNA polymerase sigma factor; Reviewed |
33-177 | 8.93e-05 | ||||
RNA polymerase sigma factor; Reviewed Pssm-ID: 235530 [Multi-domain] Cd Length: 186 Bit Score: 41.18 E-value: 8.93e-05
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PRK13919 | PRK13919 | putative RNA polymerase sigma E protein; Provisional |
37-177 | 1.92e-04 | ||||
putative RNA polymerase sigma E protein; Provisional Pssm-ID: 184395 [Multi-domain] Cd Length: 186 Bit Score: 40.28 E-value: 1.92e-04
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PRK09415 | PRK09415 | RNA polymerase factor sigma C; Reviewed |
33-180 | 2.18e-04 | ||||
RNA polymerase factor sigma C; Reviewed Pssm-ID: 181835 [Multi-domain] Cd Length: 179 Bit Score: 40.12 E-value: 2.18e-04
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PRK12534 | PRK12534 | RNA polymerase sigma factor; Provisional |
33-176 | 4.70e-04 | ||||
RNA polymerase sigma factor; Provisional Pssm-ID: 183576 [Multi-domain] Cd Length: 187 Bit Score: 39.27 E-value: 4.70e-04
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PRK09638 | PRK09638 | RNA polymerase sigma factor SigY; Reviewed |
60-177 | 1.65e-03 | ||||
RNA polymerase sigma factor SigY; Reviewed Pssm-ID: 182010 [Multi-domain] Cd Length: 176 Bit Score: 37.69 E-value: 1.65e-03
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PRK09047 | PRK09047 | RNA polymerase factor sigma-70; Validated |
32-136 | 2.43e-03 | ||||
RNA polymerase factor sigma-70; Validated Pssm-ID: 236367 [Multi-domain] Cd Length: 161 Bit Score: 36.87 E-value: 2.43e-03
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PRK09648 | PRK09648 | RNA polymerase sigma factor ShbA; |
18-175 | 3.03e-03 | ||||
RNA polymerase sigma factor ShbA; Pssm-ID: 236607 [Multi-domain] Cd Length: 189 Bit Score: 36.87 E-value: 3.03e-03
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Sigma70_ECF | pfam07638 | ECF sigma factor; These proteins are probably RNA polymerase sigma factors belonging to the ... |
59-177 | 5.85e-03 | ||||
ECF sigma factor; These proteins are probably RNA polymerase sigma factors belonging to the extra-cytoplasmic function (ECF) subfamily and show sequence similarity to pfam04542 and pfam04545. Pssm-ID: 254323 [Multi-domain] Cd Length: 185 Bit Score: 35.86 E-value: 5.85e-03
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Blast search parameters | ||||
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