DNA N-glycosylases and UV repair

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1980 English Publisher:Springer Science and Business Media LLCJournal:Nature, volume 287, pages 203-208 (issn: 0028-0836, eissn: 1476-4687,

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Authors: B, Demple; S, Linn;

doi: 10.1038/287203a0

pmid: 6253795

DNA N-glycosylases and UV repair

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Abstract

Repair of some DNA photoproducts can be mediated by glycosylic bond hydrolysis. Thus, Escherichia coli endonuclease III releases 5,6-hydrated thymines as free bases, while T4 UV endonuclease releases one of two glycosylic bonds holding pyrimidine dimers in DNA. In contrast, uninfected E. coli apparently does not excise pyrimidine dimers via a DNA glycosylase.

Related Organizations

University of California, Berkeley
United States

Keywords

Deoxyribonucleases, Endodeoxyribonucleases, DNA Repair, Glycoside Hydrolases, Ultraviolet Rays, Escherichia coli Proteins, DNA, Endonucleases, DNA Glycosylases, Substrate Specificity, Deoxyribonuclease (Pyrimidine Dimer), Pyrimidine Dimers, Escherichia coli, T-Phages

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