Article
Functional flexibility of Bacillus stearothermophilus formamidopyrimidine DNA-glycosylase.
DNA repair - 13 Aug 2006
Amara Patricia, Serre Laurence
Abstract excerpt
The formamidopyrimidine-DNA glycosylase (Fpg) recognizes and eliminates efficiently 8-oxoguanine, an abundant mutagenic DNA lesion. The X-ray structure of the inactive E3Q mutant of Fpg from Bacillus stearothermophilus, complexed to an 8-oxoG-containing DNA, revealed a small peptide (called the alphaF-beta10 loop) involved in the recognition of the lesion via an interaction with the protonated N(7) atom. This...
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