› 3iq1

X-ray diffraction
1.67Å resolution

Crystal structure of DPS protein from Vibrio cholerae O1, a member of a broad superfamily of ferritin-like diiron-carboxylate proteins

Released:
DOI: 10.2210/pdb3iq1/pdb
PDB entry 3iq1 coloured by chain, front view.
PDB entry 3iq1 coloured by chain, side view.
PDB entry 3iq1 coloured by chain, top view.
Source organism: Vibrio cholerae O1 biovar El Tor str. N16961
Entry authors: Nocek B, Peterson S, Gu M, Otwinowski Z, Anderson W, Joachimiak A, Center for Structural Genomics of Infectious Diseases (CSGID)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dodecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-192140 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ferritin/DPS protein domain-containing protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 159 amino acids
Theoretical weight: 18.45 KDa
Source organism: Vibrio cholerae O1 biovar El Tor str. N16961
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9KVK4 (Residues: 1-156; Coverage: 100%)
Gene name: VC_0139
Sequence domains: Ferritin-like domain
Structure domains: Ferritin

Ligands and Environments

1 bound ligand:
Ligand CL 4 x CL
1 modified residue:
Ligand MSE 24 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: R3
Unit cell:
a: 93.816Å b: 93.816Å c: 225.561Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.143 0.139 0.174
Expression system: Escherichia coli

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