Structure of PDB 2ewk Chain A Binding Site BS04

Receptor Information
>2ewk Chain A (length=107) Species: 883 (Nitratidesulfovibrio vulgaris str. 'Miyazaki F') [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APKAPADGLKMDKTKQPVVFNHSVHKAVKCGDCHHPVNGKEDYQKCATAG
CHDNMDKKDKSAKGYYHAMHDKGTKFKSCVGCHLETAGADAAKKKELTGC
KGSKCHS
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 chain2ewk Chain A Residue 1003 [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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PDB2ewk Strategic roles of axial histidines in structure formation and redox regulation of tetraheme cytochrome c3.
Resolution1.0 Å
Binding residue
(original residue number in PDB)		F20 N21 V24 H25 V28 C79 C82 H83 K93 K104
Binding residue
(residue number reindexed from 1)		F20 N21 V24 H25 V28 C79 C82 H83 K93 K104
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0009055 electron transfer activity
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0009061 anaerobic respiration
Cellular Component
GO:0042597 periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2ewk, PDBe:2ewk, PDBj:2ewk
PDBsum2ewk
PubMed18702516
UniProtP00132|CYC3_NITV9 Cytochrome c3 (Gene Name=DvMF_2499)

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