Structure of PDB 1p8h Chain A Binding Site BS01

Receptor Information
>1p8h Chain A (length=222) Species: 2242 (Halobacterium salinarum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TGRPEWIWLALGTALMGLGTLYFLVKGMGVSDPDAKKFYAITTLVPAIAF
TMYLSMLLGYGLTMVPFGGEQNPIYWARYADWLFTTPLLLLDLALLVDAD
QGTILALVGADGIMIGTGLVGALTKVYSYRFVWWAISTAAMLYILYVLFF
GFSMRPEVASTFKVLRNVTVVLWSAYPVVWLIGSEGAGIVPLNIETLLFM
VLDVSAKVGFGLILLRSRAIFG
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 chain1p8h 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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PDB1p8h Crystallographic Structures of the M and N Intermediates of Bacteriorhodopsin: Assembly of a Hydrogen-Bonded Chain of Water Molecules between Asp-96 and the Retinal Schiff Base
Resolution1.52 Å
Binding residue
(original residue number in PDB)		W86 T90 L93 M118 W138 S141 T142 W182 Y185 P186 W189 K216
Binding residue
(residue number reindexed from 1)		W82 T86 L89 M114 W134 S137 T138 W173 Y176 P177 W180 K207
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

View graph for
Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1p8h, PDBe:1p8h, PDBj:1p8h
PDBsum1p8h
PubMed12842471
UniProtP02945|BACR_HALSA Bacteriorhodopsin (Gene Name=bop)

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