Structure of PDB 2hkx Chain B Binding Site BS01

Receptor Information
>2hkx Chain B (length=148) Species: 129958 (Carboxydothermus hydrogenoformans) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ATQMRLTDTNLLEVLNSEEYSGVLKEFREQRYSKKAILYTPNTERNLVFL
VKSGRVRVYLAYEDKEFTLAILEAGDIFCTHTRAFIQAMEDTTILYTDIR
NFQNIVVEFPAFSLNMVKVLGDLLKLLLTIINGLVFKDARLRLAEFLV
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 chain2hkx Chain A Residue 300 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2hkx Structure-based hypothesis on the activation of the CO-sensing transcription factor CooA.
Resolution2.3 Å
Binding residue
(original residue number in PDB)
V118 G122 L125 K126 L129
Binding residue
(residue number reindexed from 1)
V117 G121 L124 K125 L128
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0046872 metal ion binding
Biological Process
GO:0006355 regulation of DNA-templated transcription

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Molecular Function

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Biological Process
External links
PDB RCSB:2hkx, PDBe:2hkx, PDBj:2hkx
PDBsum2hkx
PubMed17327664
UniProtQ3AB29

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