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X-ray diffraction
2.6Å resolution

The 2.6 A Structure Resolution of Rhodobacter capsulatus Bacterioferritin with Metal-free Dinuclear Site and Heme Iron in a Crystallographic Special Position

Released:
DOI: 10.2210/pdb1jgc/pdb
PDB entry 1jgc coloured by chain, front view.
PDB entry 1jgc coloured by chain, side view.
PDB entry 1jgc coloured by chain, top view.
Source organism: Rhodobacter capsulatus
Primary publication:
The 2.6 A resolution structure of Rhodobacter capsulatus bacterioferritin with metal-free dinuclear site and heme iron in a crystallographic 'special position'.
Cobessi D, Huang LS, Ban M, Pon NG, Daldal F, Berry EA
Acta Crystallogr D Biol Crystallogr 58 29-38 (2002)
PMID: 11752777

Function and Biology Details

Reaction catalysed: 
4 Fe(2+) + 4 H(+) + O(2) = 4 Fe(3+) + 2 H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo 24-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-176822 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bacterioferritin Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 161 amino acids
Theoretical weight: 18.2 KDa
Source organism: Rhodobacter capsulatus
UniProt:
  • Canonical: Q59738 (Residues: 1-161; Coverage: 100%)
Gene name: bfr
Sequence domains: Ferritin-like domain
Structure domains: Ferritin

Ligands and Environments

1 bound ligand:
Ligand HEM 3 x HEM
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: I422
Unit cell:
a: 142.37Å b: 142.37Å c: 140.88Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.225 0.225 0.242

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Citations

2 review citations

Ferritins, iron uptake and storage from the bacterioferritin viewpoint.
Carrondo MA. (2003)
1 more

6 mentions without citation

ProBiS-database: precalculated binding site similarities and local pairwise alignments of PDB structures.
Konc et al. (2012)
5 more