Structure of PDB 2a06 Chain C Binding Site BS03

Receptor Information
>2a06 Chain C (length=365) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NNAFIDLPAPSNISSWWNFGSLLGICLILQILTGLFLAMHYTSDTTTAFS
SVTHICRDVNYGWIIRYMHANGASMFFICLYMHVGRGLYYGSYTFLETWN
IGVILLLTVMATAFMGYVLPWGQMSFWGATVITNLLSAIPYIGTNLVEWI
WGGFSVDKATLTRFFAFHFILPFIIMAIAMVHLLFLHETGSNNPTGISSD
VDKIPFHPYYTIKDILGALLLILALMLLVLFAPDLLGDPDNYTPANPLNT
PPHIKPEWYFLFAYAILRSIPNKLGGVLALAFSILILALIPLLHTSKQRS
MMFRPLSQCLFWALVADLLTLTWIGGQPVEHPYITIGQLASVLYFLLILV
LMPTAGTIENKLLKW
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 chain2a06 Chain C Residue 2001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB2a06 Binding of the Respiratory Chain Inhibitor Antimycin to the Mitochondrial bc(1) Complex: A New Crystal Structure Reveals an Altered Intramolecular Hydrogen-bonding Pattern.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		F128 M129 M138 G142 V145 I146 P270 E271 F274 Y278
Binding residue
(residue number reindexed from 1)		F114 M115 M124 G128 V131 I132 P256 E257 F260 Y264
Annotation score1
Binding affinityMOAD: Kd~30pM
Enzymatic activity
Catalytic site (original residue number in PDB) H201 S205 K227 D228 E271
Catalytic site (residue number reindexed from 1) H187 S191 K213 D214 E257
Enzyme Commision number 1.10.2.2: Transferred entry: 7.1.1.8.
Gene Ontology
Molecular Function
GO:0008121 ubiquinol-cytochrome-c reductase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0048039 ubiquinone binding
Biological Process
GO:0006122 mitochondrial electron transport, ubiquinol to cytochrome c
GO:0022904 respiratory electron transport chain
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0016020 membrane
GO:0031966 mitochondrial 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:2a06, PDBe:2a06, PDBj:2a06
PDBsum2a06
PubMed16024040
UniProtP00157|CYB_BOVIN Cytochrome b (Gene Name=MT-CYB)

[Back to BioLiP]