Structure of PDB 1kyo Chain E Binding Site BS02

Receptor Information
>1kyo 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 IDSMA
InChIInChI=1S/C30H42O7/c1-10-18(2)13-11-12-14-22(33-6)21(5)29(36-9)19(3)15-16-23-20(4)27(31)26-24(34-7)17-25(35-8)28(32)30(26)37-23/h10-14,17,19,21-22,29,32H,15-16H2,1-9H3/b13-11+,14-12?,18-10+/t19-,21+,22-,29-/m0/s1
InChIKeyUZHDGDDPOPDJGM-WPPYOTIYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.2C/C=C(\C)/C=C/C=C[C@@H]([C@@H](C)[C@H]([C@@H](C)CCC1=C(C(=O)c2c(cc(c(c2O1)O)OC)OC)C)OC)OC
CACTVS 3.370CO[CH](C=CC=CC(C)=CC)[CH](C)[CH](OC)[CH](C)CCC1=C(C)C(=O)c2c(OC)cc(OC)c(O)c2O1
OpenEye OEToolkits 1.7.2CC=C(C)C=CC=CC(C(C)C(C(C)CCC1=C(C(=O)c2c(cc(c(c2O1)O)OC)OC)C)OC)OC
CACTVS 3.370CO[C@@H](\C=C\C=C\C(C)=C\C)[C@@H](C)[C@@H](OC)[C@@H](C)CCC1=C(C)C(=O)c2c(OC)cc(OC)c(O)c2O1
FormulaC30 H42 O7
NameSTIGMATELLIN A
ChEMBL
DrugBank
ZINC
PDB chain1kyo Chain N Residue 525 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1kyo Crystal structure of the yeast cytochrome bc1 complex with its bound substrate cytochrome c.
Resolution2.97 Å
Binding residue
(original residue number in PDB)		C180 H181
Binding residue
(residue number reindexed from 1)		C150 H151
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

View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB RCSB:1kyo, PDBe:1kyo, PDBj:1kyo
PDBsum1kyo
PubMed11880631
UniProtP08067|UCRI_YEAST Cytochrome b-c1 complex subunit Rieske, mitochondrial (Gene Name=RIP1)

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