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Conserved domains on  [gi|902943503|gb|AKS26012|]
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crustacyanin C1, partial [Penaeus monodon]

Protein Classification

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
lipocalin_crustacyanin cd19436
crustacyanin Type I CRTC and Type II CRTA subunits; Alpha crustacyanin bound with the ...
20-191 1.30e-90

crustacyanin Type I CRTC and Type II CRTA subunits; Alpha crustacyanin bound with the carotenoid astaxanthisn (AXT) is the predominant cartenoprotein generating the slate-grey/blue color of the lobster carapace. Crustacyanin forms heterodimers (beta-crustacyanin) or complexes of 16 subunits (alpha-crustacyanin) assembled from beta-crustacyanin. Beta-crustacyanin is formed from one type I CRTC lipocalin subunit, and one type II CRTA lipocalin subunit (and two bound astaxanthin molecules). Homarus gammarus (European lobster) crustacyanin has of five distinct subunits evident on 6 M urea-PAGE gels: type I CRTC ( A1, C1, C2) and type II CRTA ( A2, A3). Homarus americanus crustacyanin consists of only two major subunits, namely type I CRTC (H1) and type II CRTA (H2), both of which behave like Ax subunits on a 6 M urea-PAGE gel. This family includes both type I CRTC subunit and type II CRTA subunits and belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


:

Pssm-ID: 381211  Cd Length: 169  Bit Score: 262.41  E-value: 1.30e-90
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  20 IPDFVVPGRCPAVDEKSLFDeqipnHPKYAGVWYEIALTNNPYQLLQQCVRNEYSFDG--NKFIAKSTGINADGNLMKRN 97
Cdd:cd19436    1 IPDFVVPGKCASVANQDNFD-----LRRYAGRWYQTHLINNPYQPVTRCVHSNYSYSGsdYGFKVTSAGFNPDNNYLKRN 75
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  98 GQILPM-PLGDPHLSVDYEGSWIAPYVILDTDYENFSCIYSCTEYNfGYYSDFSFIFSRSPKLADQYLRRCEAAFKNIGV 176
Cdd:cd19436   76 GKVYPTkEFPAAHMLIDYPSVFAAPYEVIETDYENYSCVYSCIDTD-GYKSEFGFVFSRSPQLAGPAVEKCAAVFKKNGV 154
                        170
                 ....*....|....*
gi 902943503 177 DVSRFTKTVQGSDCP 191
Cdd:cd19436  155 DFSRFVPVVHTSDCV 169
 
Name Accession Description Interval E-value
lipocalin_crustacyanin cd19436
crustacyanin Type I CRTC and Type II CRTA subunits; Alpha crustacyanin bound with the ...
20-191 1.30e-90

crustacyanin Type I CRTC and Type II CRTA subunits; Alpha crustacyanin bound with the carotenoid astaxanthisn (AXT) is the predominant cartenoprotein generating the slate-grey/blue color of the lobster carapace. Crustacyanin forms heterodimers (beta-crustacyanin) or complexes of 16 subunits (alpha-crustacyanin) assembled from beta-crustacyanin. Beta-crustacyanin is formed from one type I CRTC lipocalin subunit, and one type II CRTA lipocalin subunit (and two bound astaxanthin molecules). Homarus gammarus (European lobster) crustacyanin has of five distinct subunits evident on 6 M urea-PAGE gels: type I CRTC ( A1, C1, C2) and type II CRTA ( A2, A3). Homarus americanus crustacyanin consists of only two major subunits, namely type I CRTC (H1) and type II CRTA (H2), both of which behave like Ax subunits on a 6 M urea-PAGE gel. This family includes both type I CRTC subunit and type II CRTA subunits and belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381211  Cd Length: 169  Bit Score: 262.41  E-value: 1.30e-90
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  20 IPDFVVPGRCPAVDEKSLFDeqipnHPKYAGVWYEIALTNNPYQLLQQCVRNEYSFDG--NKFIAKSTGINADGNLMKRN 97
Cdd:cd19436    1 IPDFVVPGKCASVANQDNFD-----LRRYAGRWYQTHLINNPYQPVTRCVHSNYSYSGsdYGFKVTSAGFNPDNNYLKRN 75
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  98 GQILPM-PLGDPHLSVDYEGSWIAPYVILDTDYENFSCIYSCTEYNfGYYSDFSFIFSRSPKLADQYLRRCEAAFKNIGV 176
Cdd:cd19436   76 GKVYPTkEFPAAHMLIDYPSVFAAPYEVIETDYENYSCVYSCIDTD-GYKSEFGFVFSRSPQLAGPAVEKCAAVFKKNGV 154
                        170
                 ....*....|....*
gi 902943503 177 DVSRFTKTVQGSDCP 191
Cdd:cd19436  155 DFSRFVPVVHTSDCV 169
Lipocalin pfam00061
Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small ...
49-186 8.58e-14

Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small hydrophobic molecules, such as lipids, steroid hormones, bilins, and retinoids. The family also encompasses the enzyme prostaglandin D synthase (EC:5.3.99.2). Alignment subsumes both the lipocalin and fatty acid binding protein signatures from PROSITE. This is supported on structural and functional grounds. The structure is an eight-stranded beta barrel.


Pssm-ID: 395015  Cd Length: 143  Bit Score: 65.54  E-value: 8.58e-14
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503   49 AGVWYEIALTNN----PYQLLQQCVRNEYSFDGNKfIAKSTGINADGNLMKRNGQILPMPLGDPHLSVDYEGSWIA-PYV 123
Cdd:pfam00061   1 SGKWYLIASANFneleEEMKALGVGFATIKVLENG-NLPVTEITKEGGKCKTVSVTFKKTEEPGKLGVEFDEYAGGrKVK 79
                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|...
gi 902943503  124 ILDTDYENFSCIYSCTeYNFGYYSDFSFIFSRSPKLADQYLRRCEAAFKNIGVDVSRFTKTVQ 186
Cdd:pfam00061  80 VLTTDYDNYLIFYQKG-DKDGKTTIVRELYGRDPELSPELLEKFKKFLKELGIDEENIVRLYQ 141
Blc COG3040
Bacterial lipocalin Blc [Cell wall/membrane/envelope biogenesis];
46-191 4.26e-08

Bacterial lipocalin Blc [Cell wall/membrane/envelope biogenesis];


Pssm-ID: 442274  Cd Length: 178  Bit Score: 50.62  E-value: 4.26e-08
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  46 PKYAGVWYEIALTNNPYQLLQQCVRNEYSFDGNKFIA-KSTGIN-ADGNLMKRNGQILPMPLGDP-HLSVDYEGSWIAPY 122
Cdd:COG3040   36 DRYLGTWYEIARLPHRFERGCVNVTAEYSLREDGTIKvINRGRKgFDGEWKEAEGKARVVDDPTNaKLKVSFFGPFYGDY 115
                         90       100       110       120       130       140       150
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|...
gi 902943503 123 VI--LDTDYenfsciysctEYNFGYYSDFS--FIFSRSPKLADQYLRRCEAAFKNIGVDVSRFTKTVQGSDCP 191
Cdd:COG3040  116 WIlaLDPDY----------QYALVGGPDRDylWILSRTPTLPDAVYQELLARARALGYDTSKLIRVPQTPPQV 178
 
Name Accession Description Interval E-value
lipocalin_crustacyanin cd19436
crustacyanin Type I CRTC and Type II CRTA subunits; Alpha crustacyanin bound with the ...
20-191 1.30e-90

crustacyanin Type I CRTC and Type II CRTA subunits; Alpha crustacyanin bound with the carotenoid astaxanthisn (AXT) is the predominant cartenoprotein generating the slate-grey/blue color of the lobster carapace. Crustacyanin forms heterodimers (beta-crustacyanin) or complexes of 16 subunits (alpha-crustacyanin) assembled from beta-crustacyanin. Beta-crustacyanin is formed from one type I CRTC lipocalin subunit, and one type II CRTA lipocalin subunit (and two bound astaxanthin molecules). Homarus gammarus (European lobster) crustacyanin has of five distinct subunits evident on 6 M urea-PAGE gels: type I CRTC ( A1, C1, C2) and type II CRTA ( A2, A3). Homarus americanus crustacyanin consists of only two major subunits, namely type I CRTC (H1) and type II CRTA (H2), both of which behave like Ax subunits on a 6 M urea-PAGE gel. This family includes both type I CRTC subunit and type II CRTA subunits and belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381211  Cd Length: 169  Bit Score: 262.41  E-value: 1.30e-90
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  20 IPDFVVPGRCPAVDEKSLFDeqipnHPKYAGVWYEIALTNNPYQLLQQCVRNEYSFDG--NKFIAKSTGINADGNLMKRN 97
Cdd:cd19436    1 IPDFVVPGKCASVANQDNFD-----LRRYAGRWYQTHLINNPYQPVTRCVHSNYSYSGsdYGFKVTSAGFNPDNNYLKRN 75
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  98 GQILPM-PLGDPHLSVDYEGSWIAPYVILDTDYENFSCIYSCTEYNfGYYSDFSFIFSRSPKLADQYLRRCEAAFKNIGV 176
Cdd:cd19436   76 GKVYPTkEFPAAHMLIDYPSVFAAPYEVIETDYENYSCVYSCIDTD-GYKSEFGFVFSRSPQLAGPAVEKCAAVFKKNGV 154
                        170
                 ....*....|....*
gi 902943503 177 DVSRFTKTVQGSDCP 191
Cdd:cd19436  155 DFSRFVPVVHTSDCV 169
lipocalin_apoD-like cd19437
apolipoprotein D and similar proteins; Human apolipoprotein D (ApoD) is a small glycoprotein ...
26-186 1.38e-32

apolipoprotein D and similar proteins; Human apolipoprotein D (ApoD) is a small glycoprotein associated with high density lipoproteins (HDL) in plasma. It appears promiscuous since it can bind hydrophobic ligands belonging to different lipid groups, with different shapes and biochemical properties; however, it exhibits specificity between very similar lipidic species. Some ligands, such as progesterone and arachidonic acid, bind to the ligand-binding pocket with high affinity, while others may interact with ApoD via its region of surface hydrophobicity. This hydrophobic surface cluster may facilitate its association with HDL particles and facilitate its insertion into cellular lipid membranes. Drosophila NLaz and Schistocerca Laz belong to this group, and share functional properties with human ApoD, including regulation of lifespan, lipid and carbohydrate metabolism control, and protection against oxidative stress or starvation. This group also includes Sandercyanin, a blue protein secreted in the skin mucus of blue forms of walleye, Sander vitreus. Walleye is an important golden yellow commercial and sport fish; the findings of blue walleye are recent. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381212 [Multi-domain]  Cd Length: 160  Bit Score: 114.65  E-value: 1.38e-32
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  26 PGRCPAVDEKSLFDEQipnhpKYAGVWYEIALTNNPYQLLQQCVRNEYSFDGNKFIA-KSTGINA-DGNLMKRNGQ-ILP 102
Cdd:cd19437    1 LGKCPTVPVQEDFDVD-----KYLGRWYEIERYPAPFEKGGDCVTANYSLNDDGTVRvVNSGINLtDGSINTIEGSaRCP 75
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503 103 MPLGDPHLSVDYEGSW-IAPYVILDTDYENFSCIYSCTEYNFGYYSDFSFIFSRSPKLADQYLRRCEAAFKNIGVDVSRF 181
Cdd:cd19437   76 DPNEPAKLGVSFPGFPpAGPYWVLDTDYDNYAIVYSCTDVLGLFKVEYAWILSRQRTLSAETLTKAKEILTSYGIDVSKL 155

                 ....*
gi 902943503 182 TKTVQ 186
Cdd:cd19437  156 KKTDQ 160
lipocalin_FABP cd00301
lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low ...
47-155 8.57e-15

lipocalin/cytosolic fatty acid-binding protein family; Lipocalins are diverse, mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules as well as membrane bound-receptors. They have a large beta-barrel ligand-binding cavity. Members include retinol-binding protein, retinoic acid-binding protein, complement protein C8 gamma, Can f 2, apolipoprotein D, extracellular fatty acid-binding protein, beta-lactoglobulin, oderant-binding protein, and bacterial lipocalin Blc. Lipocalins are involved in many important processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty acid-binding proteins also bind hydrophobic ligands in a non-covalent, reversible manner, and are involved in protection and shuttling of fatty acids within the cell, and in acquisition and removal of fatty acids from intracellular sites.


Pssm-ID: 381182  Cd Length: 109  Bit Score: 67.18  E-value: 8.57e-15
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  47 KYAGVWYEIALT-NNPYQLLQQCVRNEYSFDGNKFIAKSTGINADGNLMKRNGqILPMPLGDPHLSVDYEGS-WIAPYVI 124
Cdd:cd00301    1 KFSGKWYEVASAsNAPEEDEGKCTTAEYTLEGNGNLKVTNSFVRDGVCKSITG-TLKKTDGPGKFTVTYPGYtGKNELYV 79
                         90       100       110
                 ....*....|....*....|....*....|.
gi 902943503 125 LDTDYENFSCIYSCTEYNfGYYSDFSFIFSR 155
Cdd:cd00301   80 LSTDYDNYAIVYSCKNLD-GGHTVVAWLLSR 109
Lipocalin pfam00061
Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small ...
49-186 8.58e-14

Lipocalin / cytosolic fatty-acid binding protein family; Lipocalins are transporters for small hydrophobic molecules, such as lipids, steroid hormones, bilins, and retinoids. The family also encompasses the enzyme prostaglandin D synthase (EC:5.3.99.2). Alignment subsumes both the lipocalin and fatty acid binding protein signatures from PROSITE. This is supported on structural and functional grounds. The structure is an eight-stranded beta barrel.


Pssm-ID: 395015  Cd Length: 143  Bit Score: 65.54  E-value: 8.58e-14
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503   49 AGVWYEIALTNN----PYQLLQQCVRNEYSFDGNKfIAKSTGINADGNLMKRNGQILPMPLGDPHLSVDYEGSWIA-PYV 123
Cdd:pfam00061   1 SGKWYLIASANFneleEEMKALGVGFATIKVLENG-NLPVTEITKEGGKCKTVSVTFKKTEEPGKLGVEFDEYAGGrKVK 79
                          90       100       110       120       130       140
                  ....*....|....*....|....*....|....*....|....*....|....*....|...
gi 902943503  124 ILDTDYENFSCIYSCTeYNFGYYSDFSFIFSRSPKLADQYLRRCEAAFKNIGVDVSRFTKTVQ 186
Cdd:pfam00061  80 VLTTDYDNYLIFYQKG-DKDGKTTIVRELYGRDPELSPELLEKFKKFLKELGIDEENIVRLYQ 141
Blc COG3040
Bacterial lipocalin Blc [Cell wall/membrane/envelope biogenesis];
46-191 4.26e-08

Bacterial lipocalin Blc [Cell wall/membrane/envelope biogenesis];


Pssm-ID: 442274  Cd Length: 178  Bit Score: 50.62  E-value: 4.26e-08
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  46 PKYAGVWYEIALTNNPYQLLQQCVRNEYSFDGNKFIA-KSTGIN-ADGNLMKRNGQILPMPLGDP-HLSVDYEGSWIAPY 122
Cdd:COG3040   36 DRYLGTWYEIARLPHRFERGCVNVTAEYSLREDGTIKvINRGRKgFDGEWKEAEGKARVVDDPTNaKLKVSFFGPFYGDY 115
                         90       100       110       120       130       140       150
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|...
gi 902943503 123 VI--LDTDYenfsciysctEYNFGYYSDFS--FIFSRSPKLADQYLRRCEAAFKNIGVDVSRFTKTVQGSDCP 191
Cdd:COG3040  116 WIlaLDPDY----------QYALVGGPDRDylWILSRTPTLPDAVYQELLARARALGYDTSKLIRVPQTPPQV 178
lipocalin_Bla_g_4_Per_a_4 cd19440
major allergens Bla g 4 and Per a 4; Inhalant allergens from cockroaches are an important ...
44-173 4.14e-06

major allergens Bla g 4 and Per a 4; Inhalant allergens from cockroaches are an important cause of asthma. Bla g 4 and Per a 4 are male pheromone transport lipocalins, and both are major allergens. Bla g 4 is produced by Blattella germanica (German cockroach) and has been shown to bind two biogenic amines, tyramine and octopamine which may be its physiological ligands. Per a 4 is produced by Periplaneta americana (American cockroach) and may bind different ligands from Bla g 4 or have different modes for tyramine/octopamine binding. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381215  Cd Length: 148  Bit Score: 44.79  E-value: 4.14e-06
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  44 NHPKYAGVWYEIALTNNPYQLLQQCVRNEYSFDGNKFIA-KSTGINA-DGNLMKRNGQIlPMPLGDpHLSVDYEG--SWI 119
Cdd:cd19440   12 DYTKYLGVWYEAFRTPNAHEEQYKCWIDRFSLDPEGPIAvTSVAYDSrGKNRVTLTGTV-PVSTGN-KFDIDYGDdeAWS 89
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|....
gi 902943503 120 APYVILDTDYENFSCIYSCTEYNfgYYSDFSFIFSRSPKLADQYLRRCEAAFKN 173
Cdd:cd19440   90 SQYWVLGTDYETYAILAGCPAQD--SNKHLIWVQSRDTSFDNATKKAVNEVLKH 141
lipocalin_Blc-like cd19438
bacterial lipocalin Blc, Arabidopsis thaliana temperature-induced lipocalin-1, and similar ...
46-184 4.88e-06

bacterial lipocalin Blc, Arabidopsis thaliana temperature-induced lipocalin-1, and similar proteins; Escherichia coli bacterial lipocalin (Blc, also known as YjeL) is an outer membrane lipoprotein involved in the storage or transport of lipids necessary for membrane maintenance under stressful conditions. Blc has a binding preference for lysophospholipids. This group includes eukaryotic lipocalins such as Arabidopsis thaliana temperature-induced lipocalin-1 (TIL) which is involved in thermotolerance, oxidative, salt, drought and high light stress tolerance, and is needed for seed longevity by ensuring polyunsaturated lipids integrity. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381213  Cd Length: 143  Bit Score: 44.48  E-value: 4.88e-06
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  46 PKYAGVWYEIALTNNPYQLLQQCVRNEYSF--DGNKFIAKSTGINADGNLMKRNGQILPMPLGDP-HLSVDYEGSWI-AP 121
Cdd:cd19438    7 DRYMGTWYEIARLPNRFEKGCVNVTATYTLndDGTISVVNRCRDGDEGKWKEAEGKARVVDPSDNaKLKVSFFGPPFyGD 86
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*
gi 902943503 122 YVI--LDTDYEnfsciYSCTEYNFGYYsdfSFIFSRSPKLADQYLRRCEAAFKNIGVDVSRFTKT 184
Cdd:cd19438   87 YWVlaLDPDYQ-----WALVGGPSRDY---LWILSRTPQLSEETLQRLLEKARELGYDTDKLIRT 143
Lipocalin_2 pfam08212
Lipocalin-like domain; Lipocalins are transporters for small hydrophobic molecules, such as ...
46-186 3.43e-05

Lipocalin-like domain; Lipocalins are transporters for small hydrophobic molecules, such as lipids, steroid hormones, bilins, and retinoids. The structure is an eight-stranded beta barrel.


Pssm-ID: 400495  Cd Length: 143  Bit Score: 41.93  E-value: 3.43e-05
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503   46 PKYAGVWYEIALTNNPYQllQQCV--RNEYS----------FDGNKFIAKSTGINADGNLMKrngqilpmPLGDPHLSVD 113
Cdd:pfam08212   4 SRYMGTWYEIARLPMRFQ--RGCVdvTATYTlrddgtiavtNRCRTFDGKLKTAEGVAKVAD--------PGSNAKLKVS 73
                          90       100       110       120       130       140       150
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 902943503  114 YEGSWI---APYVIL--DTDYENFSCIYSCTEYnfgyysdfSFIFSRSPKLADQYLRRCEAAFKNIGVDVSRFTKTVQ 186
Cdd:pfam08212  74 FLGWFFpvkGDYWVLyiDPDYSWAIVGSPSRKY--------LWILSRTPQLSDAQYEQLLEKARDQGYDTSKLIRVPQ 143
lipocalin_RBP_like cd00743
retinol-binding protein 4 and similar proteins; Retinol-Binding Protein 4 (RBP4) is a plasma ...
44-158 2.43e-04

retinol-binding protein 4 and similar proteins; Retinol-Binding Protein 4 (RBP4) is a plasma protein that transports retinol (vitamin A) from the liver stores to the peripheral tissues. The RBP4-retinol complex interacts with transthyretin (TTR - transports thyroxine and retinol) which protects it from renal excretion. In addition to retinol, other endogenous and synthetic retinoids bind RBP4, including all-trans and 13-cis retinoic acid, retinyl acetate, N-(ethyl)retinamide, and fenretinide. This group also includes purpurin, a retinol-specific protein that plays a role in neural retina cell adhesion during development of the chicken retina; it also binds retinol and may participate in retinol transporter in the retina. This group belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381184  Cd Length: 171  Bit Score: 40.12  E-value: 2.43e-04
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 902943503  44 NHPKYAGVWYEIALTNNPYQLLQQCVRNEYSFDGNKFIAKStginADGNLMKRN---------GQILPMPlgDP-HLSVD 113
Cdd:cd00743   13 DKARYAGTWYAMAKKDPEGLFLQDNIVAEFSVDENGTMTAT----AKGRVRLLNnwdvcadmvGTFTDTE--DPaKFKMK 86
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|....*
gi 902943503 114 YEGswIAPYV--------ILDTDYENFSCIYSCTEYNF-GYYSD-FSFIFSRSPK 158
Cdd:cd00743   87 YWG--VASYLqkgnddhwVIDTDYDTYAITYSCRLLNLdGTCADsYSFVFSRDPN 139
lipocalin_LTBP1-like cd19423
Triatominae salivary lipocalins such as Rhodnius prolixus LTBP1 and Meccus pallidipennis ...
122-155 4.16e-04

Triatominae salivary lipocalins such as Rhodnius prolixus LTBP1 and Meccus pallidipennis triabin, and similar proteins; This subfamily includes various insect proteins found in the saliva of Triatominae (kissing bugs), including Rhodnius prolixus leukotriene-binding LTBP1. Rhodnius prolixus, a vector of the pathogen Trypanosoma cruzi, sequesters cysteinyl leukotrienes during feeding to inhibit immediate inflammatory responses; LTBP1 binds leukotrienes C4 (LTC4), D4 (LTD4), and E4 (LTE4). Meccus pallidipennis (syn Triatoma pallidipennis) triabin is a potent and selective thrombin inhibitor. It also includes Triatoma protracta procalin, a major salivary allergen which causes an allergic reaction in humans. It belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381198  Cd Length: 132  Bit Score: 38.88  E-value: 4.16e-04
                         10        20        30
                 ....*....|....*....|....*....|....
gi 902943503 122 YVILDTDYENFSCIYSCTEYNFGYYSDFSFIFSR 155
Cdd:cd19423   98 FSVIDTDYDNYALVYRCVTYGSGKKKDNYLVLQR 131
lipocalin_VDE cd19420
lipocalin domain of violaxanthin deepoxidase and similar proteins; Plant violaxanthin ...
150-184 9.50e-03

lipocalin domain of violaxanthin deepoxidase and similar proteins; Plant violaxanthin de-epoxidase (VDE, EC 1.23.5.1) participates in the xanthophyll cycle for controlling the concentration of zeaxanthin in chloroplasts. It catalyzes the conversion of violaxanthin to antheraxanthin and zeaxanthin in strong light, and plays a central role in adjusting photosynthetic activity to changing light conditions. In addition, maize VDE has been shown to interact with sugarcane mosaic virus helper component-proteinase, HC-(SCMV), and to attenuate the RNA silencing suppression activity of the latter. VDE belongs to the lipocalin/cytosolic fatty-acid binding protein family which have a large beta-barrel ligand-binding cavity. Lipocalins are mainly low molecular weight extracellular proteins that bind principally small hydrophobic ligands, and form covalent or non-covalent complexes with soluble macromolecules, as well as membrane bound-receptors. They participate in processes such as ligand transport, modulation of cell growth and metabolism, regulation of immune response, smell reception, tissue development and animal behavior. Cytosolic fatty-acid binding proteins, also bind hydrophobic ligands in a non-covalent, reversible manner, and have been implicated in intracellular uptake, transport and storage of hydrophobic ligands, regulation of lipid metabolism and sequestration of excess toxic fatty acids, as well as in signaling, gene expression, inflammation, cell growth and proliferation, and cancer development.


Pssm-ID: 381195  Cd Length: 177  Bit Score: 35.59  E-value: 9.50e-03
                         10        20        30
                 ....*....|....*....|....*....|....*
gi 902943503 150 SFIFSRSPKLADQYLRRCEAAFKNIGVDVSRFTKT 184
Cdd:cd19420  134 AVVYTRSSTLPPSYIPELEKAAKKVGVDFSTFIRT 168
 
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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