Structure of PDB 2wdq Chain K Binding Site BS01

Receptor Information
>2wdq Chain K (length=121) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QRPVNLDLQTIRFPITAIASILHRVSGVITFVAVGILLWLLGTSLSSPEG
FEQASAIMGSFFVKFIMWGILTALAYHVVVGIRHMMMDFGYLEETFEAGK
RSAKISFVITVVLSLLAGVLV
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 chain2wdq Chain K Residue 1129 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2wdq Structure of Escherichia coli succinate:quinone oxidoreductase with an occupied and empty quinone-binding site.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		H30 R31 G34 T37 F38 H84 V85 G88
Binding residue
(residue number reindexed from 1)		H23 R24 G27 T30 F31 H77 V78 G81
Annotation score1
Enzymatic activity
Enzyme Commision number 1.3.5.1: succinate dehydrogenase.
Gene Ontology
Molecular Function
GO:0008177 succinate dehydrogenase (quinone) activity
GO:0009055 electron transfer activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0048039 ubiquinone binding
Biological Process
GO:0006099 tricarboxylic acid cycle
GO:0009060 aerobic respiration
GO:0017004 cytochrome complex assembly
GO:0019646 aerobic electron transport chain
Cellular Component
GO:0005886 plasma membrane
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2wdq, PDBe:2wdq, PDBj:2wdq
PDBsum2wdq
PubMed19710024
UniProtP69054|DHSC_ECOLI Succinate dehydrogenase cytochrome b556 subunit (Gene Name=sdhC)

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