Structure of PDB 3vvk Chain A

Receptor sequence

>3vvkA (length=261) Species: 2257 (Natronomonas pharaonis) [Search protein sequence]

EVTQRELFEFVLNDPLLASSLYINIALAGLSILLFVFMTRGLDDPRAKLI
AVSTILVPVVSIASYTGLASGLTISVLEMPAGHFAEGSSVMLGGEEVDGV
VTMWGRYLTWALSTPMILLALGLLAGSNATKLFTAITFDIAMCVTGLAAA
LTTSSHLMRWFWYAISCACFIVVLYILLVEWAQDAKAAGTADIFSTLKLL
TVVMWLGYPIVWALGVEGVAVLPVGYTSWAYSALDIVAKYIFAFLLLNYL
TSNEGVVSGSI

3D structure

PDB

3vvk Large deformation of helix F during the photoreaction cycle of Pharaonis halorhodopsin in complex with azide

Chain

Resolution

2.3 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)
BS01	RET	A	W127 T131 M159 Y180 S183 F187 W222 Y225 P226 W229 K256	W110 T114 M142 Y163 S166 F170 W205 Y208 P209 W212 K239
BS02	RET	A	W127 T131 M159 G163 S183 F187 Y225 W229 K256	W110 T114 M142 G146 S166 F170 Y208 W212 K239
BS03	AZI	A	T126 S130 K256	T109 S113 K239
BS04	22B	A	K148 T151 F155 V189	K131 T134 F138 V172

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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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:3vvk, PDBe:3vvk, PDBj:3vvk
PDBsum	3vvk
PubMed	23442859
UniProt	P15647\|BACH_NATPH Halorhodopsin (Gene Name=hop)

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