Structure of PDB 2a06 Chain P Binding Site BS02

Receptor Information
>2a06 Chain P (length=370) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LMKIVNNAFIDLPAPSNISSWWNFGSLLGICLILQILTGLFLAMHYTSDT
TTAFSSVTHICRDVNYGWIIRYMHANGASMFFICLYMHVGRGLYYGSYTF
LETWNIGVILLLTVMATAFMGYVLPWGQMSFWGATVITNLLSAIPYIGTN
LVEWIWGGFSVDKATLTRFFAFHFILPFIIMAIAMVHLLFLHETGSNNPT
GISSDVDKIPFHPYYTIKDILGALLLILALMLLVLFAPDLLGDPDNYTPA
NPLNTPPHIKPEWYFLFAYAILRSIPNKLGGVLALAFSILILALIPLLHT
SKQRSMMFRPLSQCLFWALVADLLTLTWIGGQPVEHPYITIGQLASVLYF
LLILVLMPTAGTIENKLLKW
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 P Residue 501 [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)		Q44 G48 L49 L51 R80 H83 T126 G130 Y131 L133 H182 F183 P186
Binding residue
(residue number reindexed from 1)		Q35 G39 L40 L42 R71 H74 T117 G121 Y122 L124 H173 F174 P177
Annotation score1
Enzymatic activity
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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