› 4jgi

X-ray diffraction
1.5Å resolution

1.5 Angstrom crystal structure of a novel cobalamin-binding protein from Desulfitobacterium hafniense DCB-2

Released:
DOI: 10.2210/pdb4jgi/pdb
PDB entry 4jgi coloured by chain, front view.
PDB entry 4jgi coloured by chain, side view.
PDB entry 4jgi coloured by chain, top view.
Source organism: Desulfitobacterium hafniense
Primary publication:
Structure of the cobalamin-binding protein of a putative O-demethylase from Desulfitobacterium hafniense DCB-2.
Sjuts H, Dunstan MS, Fisher K, Leys D
Acta Crystallogr D Biol Crystallogr 69 1609-16 (2013)
PMID: 23897483

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Assembly name:
PDBe Complex ID:
PDB-CPX-186018 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cobalamin-binding protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 211 amino acids
Theoretical weight: 22.56 KDa
Source organism: Desulfitobacterium hafniense
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8RPG0 (Residues: 1-201; Coverage: 100%)
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
Ligand COB 2 x COB
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P31
Unit cell:
a: 69.99Å b: 69.99Å c: 91.68Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.15 0.147 0.194
Expression system: Escherichia coli

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Citations

3 citation in other articles

The extracellular heme-binding protein HbpS from the soil bacterium Streptomyces reticuli is an aquo-cobalamin binder.
Ortiz de Orué Lucana et al. (2014)
2 more

1 mention without citation

Structure of the cobalamin-binding protein of a putative O-demethylase from Desulfitobacterium hafniense DCB-2.
Sjuts et al. (2013)