Structure of PDB 1iw9 Chain A

Receptor sequence
>1iw9A (length=227) Species: 2242 (Halobacterium salinarum) [Search protein sequence]
TGRPEWIWLALGTALMGLGTLYFLVKGMGVSDPDAKKFYAITTLVPAIAF
TMYLSMLLGYGLTMVPFGGEQNPIYWARYADWLFTTPLLLLDLALLVDAD
QGTILALVGADGIMIGTGLVGALTKVYSYRFVWWAISTAAMLYILYVLFF
GFTSKAESMRPEVASTFKVLRNVTVVLWSAYPVVWLIGSEGAGIVPLNIE
TLLFMVLDVSAKVGFGLILLRSRAIFG
3D structure
PDB1iw9 Crystal structure of the M intermediate of bacteriorhodopsin: allosteric structural changes mediated by sliding movement of a transmembrane helix
ChainA
Resolution2.5 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 A W86 T89 T90 L93 W138 S141 T142 M145 W182 Y185 P186 A215 K216 W82 T85 T86 L89 W134 S137 T138 M141 W178 Y181 P182 A211 K212
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:1iw9, PDBe:1iw9, PDBj:1iw9
PDBsum1iw9
PubMed15328615
UniProtP02945|BACR_HALSA Bacteriorhodopsin (Gene Name=bop)

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