5vif

X-ray diffraction
2.25Å resolution

Electrophilic probes for deciphering substrate recognition by O-GlcNAc transferase

Released:
Source organism: Homo sapiens

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

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-127423 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
UDP-N-acetylglucosamine--peptide N-acetylglucosaminyltransferase 110 kDa subunit Chain: A
Molecule details ›
Chain: A
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:
Casein kinase II subunit alpha Chain: B
Molecule details ›
Chain: B
Length: 14 amino acids
Theoretical weight: 1.4 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P68400 (Residues: 339-352; Coverage: 4%)
Gene names: CK2A1, CSNK2A1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: F222
Unit cell:
a: 139.084Å b: 152.733Å c: 199.398Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.184 0.182 0.228
Expression systems:
  • Escherichia coli
  • Not provided