1ugh

X-ray diffraction
1.9Å resolution

CRYSTAL STRUCTURE OF HUMAN URACIL-DNA GLYCOSYLASE IN COMPLEX WITH A PROTEIN INHIBITOR: PROTEIN MIMICRY OF DNA

Released:

Function and Biology Details

Reaction catalysed:
Hydrolyzes single-stranded DNA or mismatched double-stranded DNA and polynucleotides, releasing free uracil
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-537114 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Uracil-DNA glycosylase Chain: E
Molecule details ›
Chain: E
Length: 223 amino acids
Theoretical weight: 25.54 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P13051 (Residues: 94-313; Coverage: 70%)
Gene names: DGU, UNG, UNG1, UNG15
Sequence domains: Uracil DNA glycosylase superfamily
Structure domains: Uracil-DNA glycosylase-like domain
Uracil-DNA glycosylase inhibitor Chain: I
Molecule details ›
Chain: I
Length: 82 amino acids
Theoretical weight: 9.25 KDa
Source organism: Bacillus phage PBS2
Expression system: Escherichia coli
UniProt:
  • Canonical: P14739 (Residues: 3-84; Coverage: 98%)
Gene name: UGI
Sequence domains: Uracil-DNA glycosylase inhibitor
Structure domains: Bacteriophage PBS2, uracil-glycosylase inhibitor

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P21
Unit cell:
a: 48.32Å b: 64.69Å c: 55.34Å
α: 90° β: 113.77° γ: 90°
R-values:
R R work R free
0.198 0.198 0.255
Expression system: Escherichia coli