Structure of PDB 1kb9 Chain E Binding Site BS01

Receptor Information
>1kb9 Chain E (length=185) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KSTYRTPNFDDVLKENNDADKGRSYAYFMVGAMGLLSSAGAKSTVETFIS
SMTATADVLAMAKVEVNLAAIPLGKNVVVKWQGKPVFIRHRTPHEIQEAN
SVDMSALKDPQTDADRVKDPQWLIMLGICTHLGCVPIGEAGDFGGWFCPC
HGSHYDISGRIRKGPAPLNLEIPAYEFDGDKVIVG
Ligand information
Ligand IDPIE
InChIInChI=1S/C43H81O13P/c1-3-5-7-9-11-13-15-17-18-20-22-24-26-28-30-32-37(45)55-35(34-54-57(51,52)56-43-41(49)39(47)38(46)40(48)42(43)50)33-53-36(44)31-29-27-25-23-21-19-16-14-12-10-8-6-4-2/h17-18,35,38-43,46-50H,3-16,19-34H2,1-2H3,(H,51,52)/p-1/b18-17+/t35-,38-,39-,40+,41-,42-,43-/m1/s1
InChIKeyPDLAMJKMOKWLAJ-OJERQSHOSA-M
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CCCCCCCCCCCCCCCC(=O)OC[C@H](CO[P@](=O)([O-])OC1[C@@H]([C@H](C([C@H]([C@H]1O)O)O)O)O)OC(=O)CCCCCCC\C=C\CCCCCCCC
OpenEye OEToolkits 1.5.0CCCCCCCCCCCCCCCC(=O)OCC(COP(=O)([O-])OC1C(C(C(C(C1O)O)O)O)O)OC(=O)CCCCCCCC=CCCCCCCCC
CACTVS 3.341CCCCCCCCCCCCCCCC(=O)OC[C@H](CO[P]([O-])(=O)O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](O)[C@H]1O)OC(=O)CCCCCCC\C=C\CCCCCCCC
ACDLabs 10.04O=C(OCC(OC(=O)CCCCCCC/C=C/CCCCCCCC)COP([O-])(=O)OC1C(O)C(O)C(O)C(O)C1O)CCCCCCCCCCCCCCC
CACTVS 3.341CCCCCCCCCCCCCCCC(=O)OC[CH](CO[P]([O-])(=O)O[CH]1[CH](O)[CH](O)[CH](O)[CH](O)[CH]1O)OC(=O)CCCCCCCC=CCCCCCCCC
FormulaC43 H80 O13 P
Name1,2-DIACYL-SN-GLYCERO-3-PHOSPHOINOSITOL
ChEMBL
DrugBankDB02144
ZINC
PDB chain1kb9 Chain C Residue 508 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1kb9 SPECIFIC ROLES OF PROTEIN-PHOSPHOLIPID INTERACTIONS IN THE YEAST CYTOCHROME BC1 COMPLEX STRUCTURE
Resolution2.3 Å
Binding residue
(original residue number in PDB)		G70 A71 S73 E76 S80
Binding residue
(residue number reindexed from 1)		G40 A41 S43 E46 S50
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H181
Catalytic site (residue number reindexed from 1) H151
Enzyme Commision number 7.1.1.8: quinol--cytochrome-c reductase.
Gene Ontology
Molecular Function
GO:0008121 ubiquinol-cytochrome-c reductase activity
GO:0051537 2 iron, 2 sulfur cluster binding
Cellular Component
GO:0016020 membrane

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Molecular Function
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Cellular Component
External links
PDB RCSB:1kb9, PDBe:1kb9, PDBj:1kb9
PDBsum1kb9
PubMed11726495
UniProtP08067|UCRI_YEAST Cytochrome b-c1 complex subunit Rieske, mitochondrial (Gene Name=RIP1)

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