Structure of PDB 4pwa Chain D Binding Site BS01

Receptor Information
>4pwa Chain D (length=87) Species: 266834 (Sinorhizobium meliloti 1021) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EEDKLALGREIFLERSEPQCALCHTLADAEAVGEVGPNLDELKPDAERVN
TAVTNGIGPMPANEILTDEEIEAVALYVSTVAGKAKN
Ligand information
Ligand IDHEC
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,9-12H2,1-6H3,(H,39,40)(H,41,42);/q-4;+4/b21-7?,22-8?,26-13-,29-14-,30-15-,31-16-;
InChIKeyHXQIYSLZKNYNMH-LJNAALQVSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)CCC1=C(C2=CC6=C(C(=C/C)\C5=CC4=C(C(\C3=Cc7c(c(c8C=C1N2[Fe](N34)(N56)n78)CCC(=O)O)C)=C/C)C)C)C
OpenEye OEToolkits 1.5.0CC=C1C(=C2C=C3C(=CC)C(=C4N3[Fe]56N2C1=Cc7n5c(c(c7C)CCC(=O)O)C=C8N6C(=C4)C(=C8CCC(=O)O)C)C)C
CACTVS 3.341C\C=C1/C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)\C7=C/C)C=C1N2[Fe@@]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
CACTVS 3.341CC=C1C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)C7=CC)C=C1N2[Fe]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
FormulaC34 H34 Fe N4 O4
NameHEME C
ChEMBL
DrugBank
ZINC
PDB chain4pwa Chain D Residue 201 [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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PDB4pwa Structural basis of interprotein electron transfer in bacterial sulfite oxidation.
Resolution2.19 Å
Binding residue
(original residue number in PDB)
P45 C47 C50 H51 G63 P64 R75 V76 V80 I84 P86 M87
Binding residue
(residue number reindexed from 1)
P18 C20 C23 H24 G36 P37 R48 V49 V53 I57 P59 M60
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0009055 electron transfer activity
GO:0020037 heme binding

View graph for
Molecular Function
External links
PDB RCSB:4pwa, PDBe:4pwa, PDBj:4pwa
PDBsum4pwa
PubMed26687009
UniProtQ92M25

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