Structure of PDB 2qla Chain B Binding Site BS01

Receptor Information
>2qla Chain B (length=106) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ADLEDNMETLNDNLKVIEKADNAAQVKDALTKMRAAALDAQKATPPKLED
KSPDSPEMHDFRHGFDILVGQIHDALHLANEGKVKEAQAAAEQLKTTCNA
CHQKYR
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 chain2qla Chain B Residue 151 [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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PDB2qla Controlling protein-protein interactions through metal coordination: assembly of a 16-helix bundle protein.
Resolution2.9 Å
Binding residue
(original residue number in PDB)		E4 M7 L10 N11 P46 F61 F65 C98 C101 H102 R106
Binding residue
(residue number reindexed from 1)		E4 M7 L10 N11 P46 F61 F65 C98 C101 H102 R106
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005506 iron ion binding
GO:0009055 electron transfer activity
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0022900 electron transport chain
Cellular Component
GO:0042597 periplasmic space

View graph for
Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2qla, PDBe:2qla, PDBj:2qla
PDBsum2qla
PubMed17929927
UniProtP0ABE7|C562_ECOLX Soluble cytochrome b562 (Gene Name=cybC)

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