Structure of PDB 3lgn Chain B Binding Site BS01

Receptor Information
>3lgn Chain B (length=109) Species: 158879 (Staphylococcus aureus subsp. aureus N315) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HMFMAENRLQLQKGSAEETIERFYNRQGIETIEGFQQMFVTKTLNTEDTD
EVKILTIWESEDSFNNWLNSDVFKEAHKNVRLKSDDDGQQSPILSNKVFK
YDIGYHYQK
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 chain3lgn Chain B Residue 200 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB3lgn The IsdG-family of haem oxygenases degrades haem to a novel chromophore
Resolution1.5 Å
Binding residue
(original residue number in PDB)		N6 R21 F22 R25 Q26 I28 I53 W66 H76 V79 N95
Binding residue
(residue number reindexed from 1)		N7 R22 F23 R26 Q27 I29 I54 W67 H77 V80 N96
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3lgn, PDBe:3lgn, PDBj:3lgn
PDBsum3lgn
PubMed20180905
UniProtQ7A827|HDOX2_STAAN Heme oxygenase (staphylobilin-producing) 2 (Gene Name=isdI)

[Back to BioLiP]