Structure of PDB 2htn Chain H Binding Site BS01

Receptor Information
>2htn Chain H (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 G 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 F26 M52
Binding residue
(residue number reindexed from 1)		I22 F26 M52
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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