X-ray diffraction
2.39Å resolution

Dps4 from Nostoc punctiforme in complex with Zn ions

Source organism: Nostoc punctiforme
Entry authors: Howe C, Moparthi VK, Persson K, Stensjo K

Function and Biology Details

Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dodecamer (preferred)
Entry contents:
1 distinct polypeptide molecule
Ferritin/DPS protein domain-containing protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 177 amino acids
Theoretical weight: 20.01 KDa
Source organism: Nostoc punctiforme
Expression system: Escherichia coli BL21(DE3)
  • Canonical: B2J981 (Residues: 6-182; Coverage: 96%)
Gene name: Npun_R5799
Sequence domains: Ferritin-like domain
Structure domains: Ferritin

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P63
Unit cell:
a: 100.92Å b: 100.92Å c: 144.27Å
α: 90° β: 90° γ: 120°
R R work R free
0.171 0.169 0.214
Expression system: Escherichia coli BL21(DE3)