Structure of PDB 6q9e Chain b2 Binding Site BS02

Receptor Information
>6q9e Chain b2 (length=378) Species: 9940 (Ovis aries) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
INIRKTHPLMKIVNNAFIDLPAPSNISSWWNFGSLLGICLILQILTGLFL
AMHYTPDTTTAFSSVTHICRDVNYGWIIRYMHANGASMFFICLFMHVGRG
LYYGSYTFLETWNIGVILLFATMATAFMGYVLPWGQMSFWGATVITNLLS
AIPYIGTNLVEWIWGGFSVDKATLTRFFAFHFIFPFIIAALAMVHLLFLH
ETGSNNPTGIPSDTDKIPFHPYYTIKDILGAILLILILMLLVLFTPDLLG
DPDNYTPANPLNTPPHIKPEWYFLFAYAILRSIPNKLGGVLALVLSILVL
VIMPLLHTSKQRSMMFRPISQCMFWILVADLLTLTWIGGQPVEHPYIIIG
QLASIMYFLIILVMMPVASIIENNLLKW
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 chain6q9e Chain b2 Residue 402 [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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PDB6q9e Structures of Respiratory Supercomplex I+III2Reveal Functional and Conformational Crosstalk.
Resolution3.9 Å
Binding residue
(original residue number in PDB)		W31 G34 L37 H97 R100 S106 W113 G116 V117 L119 H196 L200 N206
Binding residue
(residue number reindexed from 1)		W30 G33 L36 H96 R99 S105 W112 G115 V116 L118 H195 L199 N205
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H201 S205 K227 D228 E271
Catalytic site (residue number reindexed from 1) H200 S204 K226 D227 E270
Enzyme Commision number ?
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:0022904 respiratory electron transport chain
GO:1902600 proton transmembrane transport
Cellular Component
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0016020 membrane
GO:0045275 respiratory chain complex III

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6q9e, PDBe:6q9e, PDBj:6q9e
PDBsum6q9e
PubMed31492636
UniProtP24959|CYB_SHEEP Cytochrome b (Gene Name=MT-CYB)

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