Structure of PDB 1s8j Chain A Binding Site BS01

Receptor Information

>1s8j Chain A (length=216) Species: 2243 (Halobacterium sp.) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

ITGRPEWIWLALGTALMGLGTLYFLVKGMGVSDPDAKKFYAITTLVPAIA
FTMYLSMLLGYIYWARYASWLFTTPLLLLDLALLVDADQGTILALVGADG
IMIGTGLVGALTKVYSYRFVWWAISTAAMLYILYVLFFGFTSKAESMRPE
VASTFKVLRNVTVVLWSAYPVVWLIGSEGAGIVPLNIETLLFMVLDVSAK
VGFGLILLRSRAIFGE

Ligand information

Ligand ID

NO3

InChI

InChI=1S/NO3/c2-1(3)4/q-1

InChIKey

NHNBFGGVMKEFGY-UHFFFAOYSA-N

SMILES

Software	SMILES
ACDLabs 10.04 CACTVS 3.341	[O-][N+]([O-])=O
OpenEye OEToolkits 1.5.0	[N+](=O)([O-])[O-]

Formula

N O3

Name

NITRATE ION

PDB chain

1s8j Chain A Residue 801 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	1s8j Specificity of anion binding in the substrate pocket of bacteriorhodopsin.
Resolution	2.3 Å
Binding residue (original residue number in PDB)	Y57 S85 D212 K216
Binding residue (residue number reindexed from 1)	Y54 S69 D196 K200
Annotation score	3

Enzymatic activity

Enzyme Commision number

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:1s8j, PDBe:1s8j, PDBj:1s8j
PDBsum	1s8j
PubMed	15109251
UniProt	P02945\|BACR_HALSA Bacteriorhodopsin (Gene Name=bop)

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