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4QID

Crystal structure of Haloquadratum walsbyi bacteriorhodopsin

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
A1902600biological_processproton transmembrane transport
B0005216molecular_functionmonoatomic ion channel activity
B0005886cellular_componentplasma membrane
B0006811biological_processmonoatomic ion transport
B0007602biological_processphototransduction
B0009881molecular_functionphotoreceptor activity
B0016020cellular_componentmembrane
B1902600biological_processproton transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE RET A 301
ChainResidue
ATYR91
ATRP190
ATYR193
APRO194
AALA223
ALYS224
ATRP94
ATHR98
AMET126
AGLY130
ATRP146
ASER149
ATHR150
AMET153

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE ACT A 302
ChainResidue
AGLU75
ASER77

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE ACT A 303
ChainResidue
AARG183
AHOH435
BALA79
BASN80
BVAL139

site_idAC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE RET B 301
ChainResidue
BTRP94
BTHR97
BTHR98
BGLY130
BTRP146
BSER149
BTHR150
BTRP190
BTYR193
BPRO194
BTRP197
BLYS224

site_idAC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE MPG B 302
ChainResidue
BARG114
BGLY121
BGLU173
BARG176
BSER177
BASN180
BALA181
BASN184
BHOH437

Functional Information from PROSITE/UniProt
site_idPS00327
Number of Residues12
DetailsBACTERIAL_OPSIN_RET Bacterial rhodopsins retinal binding site. FMVLDLvAKvGF
ChainResidueDetails
APHE216-PHE227

site_idPS00950
Number of Residues13
DetailsBACTERIAL_OPSIN_1 Bacterial rhodopsins signature 1. RYaDWlFTTPLLL
ChainResidueDetails
AARG90-LEU102

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues280
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsSite: {"description":"Primary proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N6-(retinylidene)lysine","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

248335

PDB entries from 2026-01-28

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