PDBe 1g64

X-ray diffraction
2.1Å resolution

THE THREE-DIMENSIONAL STRUCTURE OF ATP:CORRINOID ADENOSYLTRANSFERASE FROM SALMONELLA TYPHIMURIUM. COBALAMIN/ATP TERNARY COMPLEX

Released:

Function and Biology Details

Reaction catalysed:
ATP + cob(I)yrinic acid a,c-diamide = triphosphate + adenosylcob(III)yrinic acid a,c-diamide
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cob(I)yrinic acid a,c-diamide adenosyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 196 amino acids
Theoretical weight: 21.75 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Salmonella enterica subsp. enterica serovar Typhimurium
UniProt:
  • Canonical: P31570 (Residues: 1-196; Coverage: 100%)
Gene names: STM1718, btuR, cobA
Sequence domains: ATP:corrinoid adenosyltransferase BtuR/CobO/CobP
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID, null
Spacegroup: P41212
Unit cell:
a: 80Å b: 80Å c: 142Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.206 0.288
Expression system: Salmonella enterica subsp. enterica serovar Typhimurium