2wnf

X-ray diffraction
1.25Å resolution

Crystal Structure of a Mammalian Sialyltransferase in complex with Gal-beta-1-3GalNAc-ortho-nitrophenol

Released:
Source organism: Sus scrofa

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-169742 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1 Chain: A
Molecule details ›
Chain: A
Length: 298 amino acids
Theoretical weight: 34.75 KDa
Source organism: Sus scrofa
Expression system: Escherichia coli
UniProt:
  • Canonical: Q02745 (Residues: 46-343; Coverage: 87%)
Gene names: SIAT4A, ST3GAL1
Sequence domains: Glycosyltransferase family 29 (sialyltransferase)
Structure domains: Glycosyl transferase family 29

Ligands and Environments

Carbohydrate polymer : NEW Components: A2G, GAL
1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: CLSI BEAMLINE 08ID-1
Spacegroup: I222
Unit cell:
a: 77.987Å b: 78.347Å c: 99.191Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.181 0.18 0.195
Expression system: Escherichia coli