The Enzyme Database

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EC 3.2.2.27     
Accepted name: uracil-DNA glycosylase
Reaction: Hydrolyses single-stranded DNA or mismatched double-stranded DNA and polynucleotides, releasing free uracil
Other name(s): UdgB (ambiguous); uracil-DNA N-glycosylase; UDG (ambiguous); uracil DNA glycohydrolase
Systematic name: uracil-DNA deoxyribohydrolase (uracil-releasing)
Comments: Uracil-DNA glycosylases are widespread enzymes that are found in all living organisms. 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 hydrolysing the N-glycosidic bond between uracil and the deoxyribose sugar thereby catalysing the removal of mis-incorporated uracil from DNA.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Lee, M.S., Kim, G.A., Seo, M.S., Lee, J.H. and Kwon, S.T. Characterization of heat-labile uracil-DNA glycosylase from Psychrobacter sp. HJ147 and its application to the polymerase chain reaction. Biotechnol. Appl. Biochem. 52 (2009) 167–175. [PMID: 18412541]
2.  Kim, G.A., Lee, M.S., Sun, Y., Lee, B.D., Lee, J.I., Lee, J.H. and Kwon, S.T. Characterization of cold-active uracil-DNA glycosylase from Bacillus sp. HJ171 and its use for contamination control in PCR. Appl. Microbiol. Biotechnol. 80 (2008) 785–794. [PMID: 18626641]
3.  Parikh, S.S., Putnam, C.D. and Tainer, J.A. Lessons learned from structural results on uracil-DNA glycosylase. Mutat. Res. 460 (2000) 183–199. [PMID: 10946228]
4.  Stivers, J.T. and Drohat, A.C. Uracil DNA glycosylase: insights from a master catalyst. Arch. Biochem. Biophys. 396 (2001) 1–9. [PMID: 11716455]
[EC 3.2.2.27 created 2009]
 
 


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