› 3fvb

X-ray diffraction
1.81Å resolution

Crystal structure of ferritin (bacterioferritin) from Brucella melitensis

Released:
DOI: 10.2210/pdb3fvb/pdb
PDB entry 3fvb coloured by chain, front view.
PDB entry 3fvb coloured by chain, side view.
PDB entry 3fvb coloured by chain, top view.
Source organism: Brucella abortus 2308
Entry author: Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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 analysis Details

Assembly composition:
homo 24-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-174157 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bacterioferritin Chains: A, B
Molecule details ›
Chains: A, B
Length: 182 amino acids
Theoretical weight: 20.88 KDa
Source organism: Brucella abortus 2308
Expression system: Escherichia coli
UniProt:
  • Canonical: Q2YKI4 (Residues: 1-161; Coverage: 100%)
Gene names: BAB2_0675, bfr
Sequence domains: Ferritin-like domain
Structure domains: Ferritin

Ligands and Environments

6 bound ligands:
Ligand HEM 1 x HEM
Ligand FE 3 x FE
Ligand MG 6 x MG
Ligand NA 1 x NA
Ligand CL 3 x CL
Ligand IMD 2 x IMD
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: F23
Unit cell:
a: 174.81Å b: 174.81Å c: 174.81Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.183 0.181 0.215
Expression system: Escherichia coli

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