Structure of PDB 3lb3 Chain B Binding Site BS01

Receptor Information
>3lb3 Chain B (length=137) Species: 129555 (Amphitrite ornata) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GFKQDIATIRGDLRTYAQDIFLAFLNKYPDERRYFKNYVGKSDQELKSMA
KFGDHTEKVFNLMMEVADRATDCVPLASDANTLVQMKQHSSLTTGNFEKL
FVALVEYMRASGQSFDSQSWDRFGKNLVSALSSAGMK
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 chain3lb3 Chain B Residue 139 [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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PDB3lb3 Internal binding of halogenated phenols in dehaloperoxidase-hemoglobin inhibits peroxidase function.
Resolution1.85 Å
Binding residue
(original residue number in PDB)		F24 F35 K36 H55 K58 V59 M63 L83 M86 Q88 H89 L92 N96 F97
Binding residue
(residue number reindexed from 1)		F24 F35 K36 H55 K58 V59 M63 L83 M86 Q88 H89 L92 N96 F97
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0005344 oxygen carrier activity
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0015671 oxygen transport
GO:0098869 cellular oxidant detoxification

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3lb3, PDBe:3lb3, PDBj:3lb3
PDBsum3lb3
PubMed20816071
UniProtQ9NAV8

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