Structure of PDB 3bkn Chain I Binding Site BS03

Receptor Information
>3bkn Chain I (length=161) Species: 246196 (Mycolicibacterium smegmatis MC2 155) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQGDPDVLKLLNEQLTSELTAINQYFLHSKMQDNWGFTELAEHTRAESFE
EMRHAETITDRILLLDGLPNYQRLFSLRVGQTLREQFEADLAIEYEVLER
LKPGIVLCREKQDATSARLLEQILADEETHIDYLETQLQLMDKLGDALYA
AQCVSRPPGSA
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 chain3bkn Chain I Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3bkn Bacterioferritin from Mycobacterium smegmatis contains zinc in its di-nuclear site.
Resolution2.72 Å
Binding residue
(original residue number in PDB)		I22 N23 F26 F49 M52 R53 Y71
Binding residue
(residue number reindexed from 1)		I22 N23 F26 F49 M52 R53 Y71
Annotation score1
Enzymatic activity
Enzyme Commision number 1.16.3.1: ferroxidase.
Gene Ontology
Molecular Function
GO:0004322 ferroxidase activity
GO:0005506 iron ion binding
GO:0008199 ferric iron binding
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0006826 iron ion transport
GO:0006879 intracellular iron ion homeostasis
GO:0006880 intracellular sequestering of iron ion
Cellular Component
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3bkn, PDBe:3bkn, PDBj:3bkn
PDBsum3bkn
PubMed18445621
UniProtA0QY79

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