Structure of PDB 4fnh Chain A Binding Site BS01

Receptor Information
>4fnh Chain A (length=110) Species: 158879 (Staphylococcus aureus subsp. aureus N315) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AHMFMAENRLQLQKGSAEETIERFYNRQGIETIEGFQQMFVTKTLNTEDT
DEVKILTIWESEDSFNNYLNSDVFKEAHKNVRLKSDDDGQQSPILSNKVF
KYDIGYHYQK
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 chain4fnh Chain A Residue 200 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4fnh Inactivation of the heme degrading enzyme IsdI by an active site substitution that diminishes heme ruffling.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		N6 R21 F22 R25 Q26 I28 M37 I53 F63 Y66 L67 F72 H76 V79 N95
Binding residue
(residue number reindexed from 1)		N8 R23 F24 R27 Q28 I30 M39 I55 F65 Y68 L69 F74 H78 V81 N97
Annotation score4
Enzymatic activity
Enzyme Commision number 1.14.99.48: heme oxygenase (staphylobilin-producing).
Gene Ontology
Molecular Function
GO:0004392 heme oxygenase (decyclizing) activity
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0033212 iron import into cell
GO:0042167 heme catabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4fnh, PDBe:4fnh, PDBj:4fnh
PDBsum4fnh
PubMed22891243
UniProtQ7A827|HDOX2_STAAN Heme oxygenase (staphylobilin-producing) 2 (Gene Name=isdI)

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