Structure of PDB 8bpx Chain BC Binding Site BS01

Receptor Information
>8bpx Chain BC (length=387) Species: 3702 (Arabidopsis thaliana) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TIRNQRFSLLKQPISSTLNQHLVDYPTPSNLSYWWGFGSLAGICLVIQIV
TGVFLAMHYTPHVDLAFNSVEHIMRDVEGGWLLRYMHANGASMFFIVVYL
HIFRGLYYASYSSPREFVWCLGVVIFLLMIVTAFIGYVLPWGQMSFWGAT
VITSLASAIPVVGDTIVTWLWGGFSVDNATLNRFFSLHYLLPFILVGASL
LHLAALHQYGSNNPLGVHSEMDKIAFYPYFYVKDLVGWVAFAIFFSIWIF
YAPNVLGHPDNYIPANPMSTPPHIVPEWYFLPIYAILRSIPDKAGGVAAI
ALVFICLLALPFFKSMYVRSSSFRPIYQGMFWLLLADCLLLGWIGCQPVE
APFVTIGQISSLVFFLFFAITPILGRVGRGIPNSYTD
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 chain8bpx Chain BC Residue 401 [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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PDB8bpx Cryo-EM structure of the respiratory I + III 2 supercomplex from Arabidopsis thaliana at 2 angstrom resolution.
Resolution2.09 Å
Binding residue
(original residue number in PDB)		W36 G39 A42 F95 H102 I103 R105 S111 W120 G123 V124 I126 H203 L207 S212
Binding residue
(residue number reindexed from 1)		W35 G38 A41 F94 H101 I102 R104 S110 W119 G122 V123 I125 H202 L206 S211
Annotation score1
Enzymatic activity
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:8bpx, PDBe:8bpx, PDBj:8bpx
PDBsum8bpx
PubMed36585502
UniProtP42792|CYB_ARATH Cytochrome b (Gene Name=MT-CYB)

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