› 3bvf

X-ray diffraction
1.5Å resolution

Structural basis for the iron uptake mechanism of Helicobacter pylori ferritin

Released:
DOI: 10.2210/pdb3bvf/pdb
PDB entry 3bvf coloured by chain, front view.
PDB entry 3bvf coloured by chain, side view.
PDB entry 3bvf coloured by chain, top view.
Source organism: Helicobacter pylori
Entry authors: Kim KH, Cho KJ, Lee JH, Shin HJ, Yang IS

Function and Biology Details

Reaction catalysed: 
(1a) 2 Fe(2+) + O(2) + 4 H(2)O = 2 (FeO(OH)) + 4 H(+) + H(2)O(2)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo 24-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-195672 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bacterial non-heme ferritin Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 181 amino acids
Theoretical weight: 20.96 KDa
Source organism: Helicobacter pylori
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9ZLI1 (Residues: 1-167; Coverage: 100%)
Gene names: ftnA, jhp_0598, pfr
Sequence domains: Ferritin-like domain
Structure domains: Ferritin

Ligands and Environments

3 bound ligands:
Ligand FE 15 x FE
Ligand IPA 12 x IPA
Ligand GOL 3 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 4A
Spacegroup: I4
Unit cell:
a: 128.658Å b: 128.658Å c: 165.454Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.169 0.168 0.183
Expression system: Escherichia coli

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