1bcf

X-ray diffraction
2.9Å resolution

THE STRUCTURE OF A UNIQUE, TWO-FOLD SYMMETRIC, HAEM-BINDING SITE

Released:
Source organism: Escherichia coli
Primary publication:
Structure of a unique twofold symmetric haem-binding site.
Nat Struct Biol 1 453-60 (1994)
PMID: 7664064

Function and Biology Details

Reaction catalysed:
4 Fe(2+) + 4 H(+) + O(2) = 4 Fe(3+) + 2 H(2)O
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo 24-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142039 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bacterioferritin Chains: A, B, C, D, E, F, G, H, I, J, K, L
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L
Length: 158 amino acids
Theoretical weight: 18.52 KDa
Source organism: Escherichia coli
Expression system: Not provided
UniProt:
  • Canonical: P0ABD3 (Residues: 1-158; Coverage: 100%)
Gene names: JW3298, b3336, bfr
Sequence domains: Ferritin-like domain
Structure domains: Ferritin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P42212
Unit cell:
a: 211.1Å b: 211.1Å c: 145.2Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.208 0.208 not available
Expression system: Not provided