1gwv

X-ray diffraction
2.5Å resolution

ALPHA-,1,3 GALACTOSYLTRANSFERASE - LACTOSE COMPLEX

Released:

Function and Biology Details

Reaction catalysed:
UDP-alpha-D-galactose + beta-D-galactosyl-(1->4)-beta-N-acetyl-D-glucosaminyl-R = UDP + alpha-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-N-acetylglucosaminyl-R
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-147073 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
N-acetyllactosaminide alpha-1,3-galactosyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 289 amino acids
Theoretical weight: 34.09 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
UniProt:
  • Canonical: P14769 (Residues: 80-368; Coverage: 79%)
Gene name: GGTA1
Sequence domains: Glycosyltransferase family 6
Structure domains: Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A

Ligands and Environments

Carbohydrate polymer : NEW Components: BGC, GAL
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SRS BEAMLINE PX14.1
Spacegroup: P21
Unit cell:
a: 45.01Å b: 93.978Å c: 94.681Å
α: 90° β: 99.05° γ: 90°
R-values:
R R work R free
0.199 0.199 0.247
Expression system: Escherichia coli