3c4v

X-ray diffraction
2.6Å resolution

Structure of the retaining glycosyltransferase MshA:The first step in mycothiol biosynthesis. Organism: Corynebacterium glutamicum : Complex with UDP and 1L-INS-1-P.

Released:

Function and Biology Details

Reaction catalysed:
UDP-N-acetyl-D-glucosamine + 1D-myo-inositol 3-phosphate = UDP + 1-O-(2-acetamido-2-deoxy-alpha-D-glucopyranosyl)-1D-myo-inositol 3-phosphate 
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
homo dimer (preferred)
homo hexadecamer
PDBe Complex ID:
PDB-CPX-185664 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
D-inositol 3-phosphate glycosyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 426 amino acids
Theoretical weight: 46.79 KDa
Source organism: Corynebacterium glutamicum
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8NTA6 (Residues: 1-418; Coverage: 100%)
Gene names: Cgl0401, cg0481, mshA
Sequence domains:
Structure domains: Glycogen Phosphorylase B;

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: I422
Unit cell:
a: 223.94Å b: 223.94Å c: 125.005Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.191 0.19 0.213
Expression system: Escherichia coli