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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 P13051
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 (2)

P14739
UNGI_BPPB2
Bacillus phage PBS2
Uracil-DNA glycosylase inhibitor
P13051
UNG_HUMAN
Homo sapiens
Uracil-DNA glycosylase

PDB Structure

PDB 1UGH
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Crystal structure of human uracil-DNA glycosylase in complex with a protein inhibitor: protein mimicry of DNA.
Mol, C.D., Arvai, A.S., Sanderson, R.J., Slupphaug, G., Kavli, B., Krokan, H.E., Mosbaugh, D.W., Tainer, J.A.
Cell(Cambridge,Mass.)
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