4gyw

X-ray diffraction
1.7Å resolution

Crystal structure of human O-GlcNAc Transferase in complex with UDP and a glycopeptide

Released:

Function and Biology Details

Reactions catalysed:
UDP-N-acetyl-alpha-D-glucosamine + [protein]-L-serine = UDP + [protein]-3-O-(N-acetyl-beta-D-glucosaminyl)-L-serine
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-127412 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit Chains: A, C
Molecule details ›
Chains: A, C
Length: 723 amino acids
Theoretical weight: 80.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O15294 (Residues: 323-1041; Coverage: 69%)
Gene name: OGT
Sequence domains:
Structure domains:
Casein kinase II subunit alpha Chains: B, D
Molecule details ›
Chains: B, D
Length: 14 amino acids
Theoretical weight: 1.4 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P68400 (Residues: 340-352; Coverage: 3%)
Gene names: CK2A1, CSNK2A1

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Unit cell:
a: 99Å b: 137.77Å c: 153.566Å
α: 90° β: 102.9° γ: 90°
R-values:
R R work R free
0.188 0.187 0.205
Expression systems:
  • Escherichia coli
  • Not provided