Structure of PDB 1s8l Chain A Binding Site BS01

Receptor Information
>1s8l Chain A (length=219) Species: 2243 (Halobacterium sp.) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ITGRPEWIWLALGTALMGLGTLYFLVKGMGVSDPDAKKFYAITTLVPAIA
FTMYLSMLLGYQNPIYWARYASWLFTTPLLLLDLALLVDADQGTILALVG
ADGIMIGTGLVGALTKVYSYRFVWWAISTAAMLYILYVLFFGFTSKAESM
RPEVASTFKVLRNVTVVLWSAYPVVWLIGSEGAGIVPLNIETLLFMVLDV
SAKVGFGLILLRSRAIFGE
Ligand information
Ligand IDRET
InChIInChI=1S/C20H28O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,15H,7,10,14H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
InChIKeyNCYCYZXNIZJOKI-OVSJKPMPSA-N
SMILES
SoftwareSMILES
CACTVS 3.370CC(=C\C=O)/C=C/C=C(C)/C=C/C1=C(C)CCCC1(C)C
ACDLabs 12.01O=C\C=C(\C=C\C=C(\C=C\C1=C(C)CCCC1(C)C)C)C
OpenEye OEToolkits 1.7.0CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C=O)/C)/C
OpenEye OEToolkits 1.7.0CC1=C(C(CCC1)(C)C)C=CC(=CC=CC(=CC=O)C)C
CACTVS 3.370CC(=CC=O)C=CC=C(C)C=CC1=C(C)CCCC1(C)C
FormulaC20 H28 O
NameRETINAL
ChEMBLCHEMBL81379
DrugBank
ZINCZINC000004228262
PDB chain1s8l Chain A Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1s8l Specificity of anion binding in the substrate pocket of bacteriorhodopsin.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		Y83 W86 T90 M118 S141 T142 W182 Y185 P186 W189 K216
Binding residue
(residue number reindexed from 1)		Y70 W73 T77 M105 S128 T129 W169 Y172 P173 W176 K203
Annotation score4
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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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1s8l, PDBe:1s8l, PDBj:1s8l
PDBsum1s8l
PubMed15109251
UniProtP02945|BACR_HALSA Bacteriorhodopsin (Gene Name=bop)

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