Structure of PDB 2ibz Chain C Binding Site BS03

Receptor Information
>2ibz Chain C (length=385) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MAFRKSNVYLSLVNSYIIDSPQPSSINYWWNMGSLLGLCLVIQIVTGIFM
AMHYSSNIELAFSSVEHIMRDVHNGYILRYLHANGASFFFMVMFMHMAKG
LYYGSYRSPRVTLWNVGVIIFTLTIATAFLGYCCVYGQMSHWGATVITNL
FSAIPFVGNDIVSWLWGGFSVSNPTIQRFFALHYLVPFIIAAMVIMHLMA
LHIHGSSNPLGITGNLDRIPMHSYFIFKDLVTVFLFMLILALFVFYSPNT
LGHPDNYIPGNPLVTPASIVPEWYLLPFYAILRSIPDKLLGVITMFAAIL
VLLVLPFTDRSVVRGNTFKVLSKFFFFIFVFNFVLLGQIGACHVEVPYVL
MGQIATFIYFAYFLIIVPVISTIENVLFYIGRVNK
Ligand information
Ligand IDUQ6
InChIInChI=1S/C39H60O4/c1-28(2)16-11-17-29(3)18-12-19-30(4)20-13-21-31(5)22-14-23-32(6)24-15-25-33(7)26-27-35-34(8)36(40)38(42-9)39(43-10)37(35)41/h16,18,20,22,24,26,40-41H,11-15,17,19,21,23,25,27H2,1-10H3/b29-18+,30-20+,31-22-,32-24+,33-26+
InChIKeyDYOSCPIQEYRQEO-XQCASOQKSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O(c1c(O)c(c(c(O)c1OC)C\C=C(/C)CC\C=C(/C)CC/C=C(/C)CC\C=C(/C)CC\C=C(/C)CC\C=C(/C)C)C)C
OpenEye OEToolkits 1.5.0Cc1c(c(c(c(c1O)OC)OC)O)CC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)C
OpenEye OEToolkits 1.5.0Cc1c(c(c(c(c1O)OC)OC)O)C\C=C(/C)\CC\C=C(/C)\CC\C=C(\C)/CC\C=C(/C)\CC\C=C(/C)\CCC=C(C)C
CACTVS 3.341COc1c(O)c(C)c(CC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)C)c(O)c1OC
CACTVS 3.341COc1c(O)c(C)c(C\C=C(/C)CC\C=C(/C)CC\C=C(\C)CC\C=C(/C)CC\C=C(/C)CCC=C(C)C)c(O)c1OC
FormulaC39 H60 O4
Name5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOL
ChEMBL
DrugBank
ZINCZINC000064437272
PDB chain2ibz Chain C Residue 506 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2ibz A Comparison of Stigmatellin Conformations, Free and Bound to the Photosynthetic Reaction Center and the Cytochrome bc(1) Complex.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		Q22 L201 S206 M221
Binding residue
(residue number reindexed from 1)		Q22 L201 S206 M221
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H202 S206 K228 D229 E272
Catalytic site (residue number reindexed from 1) H202 S206 K228 D229 E272
Enzyme Commision number 7.1.1.8: quinol--cytochrome-c reductase.
Gene Ontology
Molecular Function
GO:0008121 ubiquinol-cytochrome-c reductase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
Biological Process
GO:0006122 mitochondrial electron transport, ubiquinol to cytochrome c
GO:0009060 aerobic respiration
GO:0022904 respiratory electron transport chain
GO:0045333 cellular respiration
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0016020 membrane
GO:0045275 respiratory chain complex III

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2ibz, PDBe:2ibz, PDBj:2ibz
PDBsum2ibz
PubMed17337272
UniProtP00163|CYB_YEAST Cytochrome b (Gene Name=COB)

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