X-ray diffraction
1.11Å resolution

Structure of the PduO-type ATP:co(I)rrinoid adenosyltransferase from Lactobacillus reuteri complexed with partial adenosylcobalamin and PPPi


Function and Biology Details

Reaction catalysed:
(1a) 2 cob(II)alamin + 2 [corrinoid adenosyltransferase] = 2 [corrinoid adenosyltransferase]-cob(II)alamin
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Corrinoid adenosyltransferase Chain: A
Molecule details ›
Chain: A
Length: 194 amino acids
Theoretical weight: 22.38 KDa
Source organism: Lactobacillus reuteri
Expression system: Escherichia coli
  • Canonical: Q50EJ2 (Residues: 2-188; Coverage: 100%)
Gene names: GIX77_03270, cobA
Sequence domains: Cobalamin adenosyltransferase
Structure domains: Cobalamin adenosyltransferase-like

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: R3
Unit cell:
a: 67.965Å b: 67.965Å c: 110.941Å
α: 90° β: 90° γ: 120°
R R work R free
0.161 0.16 0.18
Expression system: Escherichia coli