Structure of PDB 3qb9 Chain A Binding Site BS01

Receptor Information

>3qb9 Chain A (length=159) Species: 83332 (Mycobacterium tuberculosis H37Rv)

MQGDPDVLRLLNEQLTSELTAINQYFLHSKMQDNWGFTELAAHTRAESFD
EMRHAEEITDRILLLDGLPNYQRIGSLRIGQTLREQFEADLAIEYDVLNR
LKPGIVMCREKQDTTSAVLLEKIVADEEEHIDYLETQLELMDKLGEELYS
AQCVSRPPT

Ligand information

• Ligand ID: FE
• InChI: InChI=1S/Fe/q+3
• InChIKey: VTLYFUHAOXGGBS-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  CACTVS 3.341
  OpenEye OEToolkits 1.5.0: [Fe+3]
• Formula: Fe
• Name: FE (III) ION
• DrugBank: DB13949
• PDB chain: 3qb9 Chain A Residue 202

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3qb9 Mycobacterium tuberculosis bacterioferritin, BfrA
• Resolution: 2.11 Å
• Binding residue (original residue number in PDB): E51 E94 E127 H130
• Binding residue (residue number reindexed from 1): E51 E94 E127 H130
• Annotation score: 5

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:0015093 ferrous iron transmembrane transporter activity
• GO:0016491 oxidoreductase activity
• 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
• GO:0010039 response to iron ion
• GO:0034755 iron ion transmembrane transport

Cellular Component

• GO:0005576 extracellular region
• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005886 plasma membrane

External links

• PDB: RCSB:3qb9, PDBe:3qb9, PDBj:3qb9
• PDBsum: 3qb9
• UniProt: P9WPQ9|BFR_MYCTU Bacterioferritin BfrA (Gene Name=bfr)