Structure of PDB 2htn Chain A Binding Site BS03

Receptor Information
>2htn Chain A (length=158) Species: 511693 (Escherichia coli BL21) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKGDTKVINYLNKLLGNELVAINQYFLHARMFKNWGLKRLNDVEYHESID
EMKHADRYIERILFLEGLPNLQDLGKLNIGEDVEEMLRSDLALELDGAKN
LREAIGYADSVHDYVSRDMMIEILRDEEGHIDWLETELDLIQKMGLQNYL
QAQIREEG
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 chain2htn 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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PDB2htn Fortuitous structure determination of 'as-isolated' Escherichia coli bacterioferritin in a novel crystal form.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		I22 N23 F26 M52 A55
Binding residue
(residue number reindexed from 1)		I22 N23 F26 M52 A55
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:0005515 protein binding
GO:0008199 ferric iron binding
GO:0015093 ferrous iron transmembrane transporter activity
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0140315 iron ion sequestering activity
Biological Process
GO:0006826 iron ion transport
GO:0006879 intracellular iron ion homeostasis
GO:0006880 intracellular sequestering of iron ion
GO:0034755 iron ion transmembrane transport
Cellular Component
GO:0005829 cytosol
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2htn, PDBe:2htn, PDBj:2htn
PDBsum2htn
PubMed17077480
UniProtP0ABD3|BFR_ECOLI Bacterioferritin (Gene Name=bfr)

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