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3QBL

Pharaonis halorhodopsin complexed with nitrate

Functional Information from GO Data
ChainGOidnamespacecontents
A0005216molecular_functionmonoatomic ion channel activity
A0005886cellular_componentplasma membrane
A0006811biological_processmonoatomic ion transport
A0007602biological_processphototransduction
A0009881molecular_functionphotoreceptor activity
A0016020cellular_componentmembrane
A0034220biological_processmonoatomic ion transmembrane transport
B0005216molecular_functionmonoatomic ion channel activity
B0005886cellular_componentplasma membrane
B0006811biological_processmonoatomic ion transport
B0007602biological_processphototransduction
B0009881molecular_functionphotoreceptor activity
B0016020cellular_componentmembrane
B0034220biological_processmonoatomic ion transmembrane transport
D0005216molecular_functionmonoatomic ion channel activity
D0005886cellular_componentplasma membrane
D0006811biological_processmonoatomic ion transport
D0007602biological_processphototransduction
D0009881molecular_functionphotoreceptor activity
D0016020cellular_componentmembrane
D0034220biological_processmonoatomic ion transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE RET A 292
ChainResidue
ATRP127
ALYS256
ATHR131
AGLY163
ATYR180
ASER183
APHE187
ATRP222
ATYR225
AASP252

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE NO3 A 359
ChainResidue
AVAL77
ASER78
ASER81
ATHR126
ATRP127
ASER130
ALYS256
AHOH502

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE NO3 A 360
ChainResidue
AASN145
ATHR147
ALYS148
BPRO62
BLYS65
B22B300
BHOH527
BHOH531

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NO3 A 293
ChainResidue
APRO62
ALYS65
DASN145
DTHR147
DLYS148

site_idAC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE RET B 292
ChainResidue
BTRP127
BTHR131
BTYR180
BSER183
BTRP222
BTYR225
BPRO226
BASP252
BLYS256

site_idAC6
Number of Residues8
DetailsBINDING SITE FOR RESIDUE 22B B 300
ChainResidue
ATHR151
APHE155
AVAL189
AILE193
ANO3360
BILE49
BTHR56
BILE72

site_idAC7
Number of Residues9
DetailsBINDING SITE FOR RESIDUE NO3 B 359
ChainResidue
BVAL77
BSER78
BSER81
BTHR126
BTRP127
BSER130
BLYS256
BHOH502
BHOH504

site_idAC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE RET D 292
ChainResidue
DMET159
DSER183
DPHE187
DTRP222
DTYR225
DPRO226
DASP252
DLYS256

site_idAC9
Number of Residues9
DetailsBINDING SITE FOR RESIDUE 22B D 300
ChainResidue
AILE49
ATHR56
AILE72
DTHR151
DPHE155
DALA185
DVAL189
DILE193
DGLU197

site_idBC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NO3 D 360
ChainResidue
BASN145
BTHR147
BLYS148
DPRO62
DLYS65

site_idBC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE NO3 D 359
ChainResidue
DVAL77
DSER78
DSER81
DTHR126
DTRP127
DSER130
DLYS256
DHOH502
DHOH504

Functional Information from PROSITE/UniProt
site_idPS00950
Number of Residues13
DetailsBACTERIAL_OPSIN_1 Bacterial rhodopsins signature 1. RYlTWaLSTPMIL
ChainResidueDetails
AARG123-LEU135

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues75
DetailsTransmembrane: {"description":"Helical; Name=Helix A","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues54
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues69
DetailsTransmembrane: {"description":"Helical; Name=Helix B","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues129
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues63
DetailsTransmembrane: {"description":"Helical; Name=Helix C","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues69
DetailsTransmembrane: {"description":"Helical; Name=Helix D","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues66
DetailsTransmembrane: {"description":"Helical; Name=Helix E","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues69
DetailsTransmembrane: {"description":"Helical; Name=Helix F","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues84
DetailsTransmembrane: {"description":"Helical; Name=Helix G","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues3
DetailsModified residue: {"description":"N6-(retinylidene)lysine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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