Structure of PDB 2a06 Chain C Binding Site BS02

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 IDHEM
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
InChIKeyKABFMIBPWCXCRK-RGGAHWMASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)C=C)C(=C(C7=C2)C)C=C)C)CCC(=O)O
CACTVS 3.385CC1=C(CCC(O)=O)C2=Cc3n4[Fe]5|6|N2=C1C=c7n5c(=CC8=N|6C(=Cc4c(C)c3CCC(O)=O)C(=C8C=C)C)c(C)c7C=C
ACDLabs 12.01C=1c3c(c(c4C=C5C(=C(C=6C=C7C(=C(C8=CC=2C(=C(C=1N=2[Fe](n34)(N5=6)N78)CCC(=O)O)C)\C=C)C)\C=C)C)C)CCC(=O)O
FormulaC34 H32 Fe N4 O4
NamePROTOPORPHYRIN IX CONTAINING FE;
HEME
ChEMBL
DrugBankDB18267
ZINC
PDB chain2a06 Chain C Residue 502 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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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)		W31 G34 L37 H97 R100 S106 T112 W113 G116 L119 H196 L197 L200 S205 N206
Binding residue
(residue number reindexed from 1)		W17 G20 L23 H83 R86 S92 T98 W99 G102 L105 H182 L183 L186 S191 N192
Annotation score1
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

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Molecular Function
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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)

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