CATH Classification

Domain Context

CATH Clusters

Superfamily Uracil-DNA glycosylase-like domain
Functional Family Uracil-DNA glycosylase

Enzyme Information

3.2.2.27
Uracil-DNA glycosylase.
based on mapping to UniProt P20536
Hydrolyzes single-stranded DNA or mismatched double-stranded DNA and polynucleotides, releasing free uracil.
-!- Uracil-DNA glycosylases are widespread enzymes that are found in all living organisms. -!- Uracil-DNA glycosylase (EC 3.2.2.27) and double-stranded uracil-DNA glycosylase (EC 3.2.2.28) form a central part of the DNA-repair machinery since they initiate the DNA base-excision repair pathway by hydrolyzing the N-glycosidic bond between uracil and the deoxyribose sugar thereby catalyzing the removal of mis-incorporated uracil from DNA.

UniProtKB Entries (1)

P20995
A20_VACCC
Vaccinia virus Copenhagen
DNA polymerase processivity factor component A20

PDB Structure

PDB 4YIG
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Crystal Structure of the Vaccinia Virus Uracil-DNA Glycosylase in Complex with DNA.
Burmeister, W.P., Tarbouriech, N., Fender, P., Contesto-Richefeu, C., Peyrefitte, C.N., Iseni, F.
J.Biol.Chem.