6wmm

X-ray diffraction
1.55Å resolution

Human poly-N-acetyl-lactosamine synthase structure demonstrates a modular assembly of catalytic subsites for GT-A glycosyltransferases

Released:
Model geometry
Fit model/data

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-192698 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase 2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 364 amino acids
Theoretical weight: 42.5 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q9NY97 (Residues: 35-397; Coverage: 91%)
Gene names: B3GALT7, B3GNT1, B3GNT2
Sequence domains: Galactosyltransferase

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG, BMA
1 modified residue:

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P212121
Unit cell:
a: 48.73Å b: 110.92Å c: 147.4Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.178 0.177 0.198
Expression system: Homo sapiens