Article
Involvement of mammalian OGG1(MMH) in excision of the 8-hydroxyguanine residue in DNA.
Free radical biology & medicine - 1 May 2002
Nishimura Susumu
Abstract excerpt
8-Hydroxyguanine (7,8-dihydro-8-oxoguanine, abbreviated as 8-OH-G or 8-oxoG) is the site of a frequent mutagenic DNA lesion produced by oxidative damage. MutM of E. coli and OGG1 of Saccharomyces cervisiae are known to possess 8-OH-G glycosylase and apurinic (AP) site lyase activity. cDNA clones of four isoforms (types 1a, 1b, 1c, and 2) of human OGG1 homologs (hMMH) were isolated. In order to examine whether...
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