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Information on EC 3.2.2.28 - double-stranded uracil-DNA glycosylase

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EC Tree
     3 Hydrolases
         3.2 Glycosylases
             3.2.2 Hydrolysing N-glycosyl compounds
                3.2.2.28 double-stranded uracil-DNA glycosylase
IUBMB Comments
No activity on DNA containing a T/G mispair or single-stranded DNA containing either a site-specific uracil or 3,N4-ethenocytosine residue , significant role for double-stranded uracil-DNA glycosylase in mutation avoidance in non-dividing E. coli . Uracil-DNA glycosylases are widespread enzymes that are found in all living organisms. Uracil-DNA glycosylase (EC 3.2.2.27) and EC 3.2.2.28 form a central part of the DNA-repair machinery since they initiate the DNA base-excision repair pathway by hydrolysing the N-glycosidic bond between uracil and the deoxyribose sugar thereby catalysing the removal of mis-incorporated uracil from DNA.
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Word Map
The enzyme appears in viruses and cellular organisms
Reaction Schemes
Specifically hydrolyses mismatched double-stranded DNA and polynucleotides, releasing free uracil
Synonyms
double stranded DNA specific UDG, double-strand uracil-DNA glycosylase, double-stranded uracil-DNA glycosylase, dsDNA specific UDG, dsUDG, Dug, family 5 UDGb, family 5 uracil DNA glycosylase, G:T/U mismatch-specific DNA glycosylase, More, more
REACTION
REACTION DIAGRAM
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ORGANISM
UNIPROT
LITERATURE
Specifically hydrolyses mismatched double-stranded DNA and polynucleotides, releasing free uracil
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