1cbu

X-ray diffraction
2.3Å resolution

ADENOSYLCOBINAMIDE KINASE/ADENOSYLCOBINAMIDE PHOSPHATE GUANYLYLTRANSFERASE (COBU) FROM SALMONELLA TYPHIMURIUM

Released:

Function and Biology Details

Reactions catalysed:
ATP or GTP + adenosylcobinamide = adenosylcobinamide phosphate + ADP or GDP
GTP + adenosylcobinamide phosphate = diphosphate + adenosylcobinamide-GDP
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
PDBe Complex ID:
PDB-CPX-170229 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bifunctional adenosylcobalamin biosynthesis protein CobU Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 180 amino acids
Theoretical weight: 19.79 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: Q05599 (Residues: 2-181; Coverage: 99%)
Gene names: STM2018, cobU
Sequence domains: Cobinamide kinase / cobinamide phosphate guanyltransferase
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: C2221
Unit cell:
a: 96.4Å b: 114.4Å c: 106.7Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.198 not available not available
Expression system: Escherichia coli