Structure of PDB 1cwq Chain B

Receptor sequence
>1cwqB (length=238) Species: 2242 (Halobacterium salinarum) [Search protein sequence]
AQITGRPEWIWLALGTALMGLGTLYFLVKGMGVSDPDAKKFYAITTLVPA
IAFTMYLSMLLGYGLTMVPFGGEQNPIYWARYADWLFTTPLLLLDLALLV
DADQGTILALVGADGIMIGTGLVGALTKVYSYRFVWWAISTAAMLYILYV
LFFGFTSKAESMRPEVASTFKVLRNVTVVLWSAYPVVWLIGSEGAGIVPL
NIETLLFMVLDVSAKVGFGLILLRSRAIFGEAEAPEPS
3D structure
PDB1cwq Structural alterations for proton translocation in the M state of wild-type bacteriorhodopsin.
ChainB
Resolution2.25 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 RET B Y83 W86 W138 S141 T142 Y185 W189 D212 A215 K216 Y82 W85 W137 S140 T141 Y184 W188 D211 A214 K215
BS02 RET B Y83 W86 M118 W138 S141 T142 W182 Y185 W189 K216 Y82 W85 M117 W137 S140 T141 W181 Y184 W188 K215
Gene Ontology
Molecular Function
GO:0005216 monoatomic ion channel activity
GO:0009881 photoreceptor activity
GO:0015454 light-driven active monoatomic ion transmembrane transporter activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0007602 phototransduction
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:1cwq, PDBe:1cwq, PDBj:1cwq
PDBsum1cwq
PubMed10949308
UniProtP02945|BACR_HALSA Bacteriorhodopsin (Gene Name=bop)

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