Structure of PDB 3qbk Chain A

Receptor sequence
>3qbkA (length=261) Species: 2257 (Natronomonas pharaonis) [Search protein sequence]
AEVTQRELFEFVLNDPLLASSLYINIALAGLSILLFVFMTRGLDDPRAKL
IAVSTILVPVVSIASYTGLASGLTISVLEMPAGHFAEGSSVMLGGEEVDG
VVTMWGRYLTWALSTPMILLALGLLAGSNATKLFTAITFDIAMCVTGLAA
ALTTSSHLMRWFWYAISCACFIVVLYILLVEWAQDAKAAGTADIFSTLKL
LTVVMWLGYPIVWALGVEGVAVLPVGYTSWAYSALDIVAKYIFAFLLLNY
LTSNEGVVSGS
3D structure
PDB3qbk Crystal structures of an O-like blue form and an anion-free yellow form of pharaonis halorhodopsin
ChainA
Resolution2.2 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 W127 T131 M159 Y180 S183 F187 W222 Y225 P226 W229 K256 W111 T115 M143 Y164 S167 F171 W206 Y209 P210 W213 K240
BS02 22B A I49 T56 K65 I33 T40 K49
BS03 22B A F155 I193 E197 F139 I177 E181
Gene Ontology
Molecular Function
GO:0005216 monoatomic ion channel activity
GO:0009881 photoreceptor activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0007602 phototransduction
GO:0034220 monoatomic ion transmembrane transport
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Cellular Component
External links
PDB RCSB:3qbk, PDBe:3qbk, PDBj:3qbk
PDBsum3qbk
PubMed21871461
UniProtP15647|BACH_NATPH Halorhodopsin (Gene Name=hop)

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