Article
Characterization of the endoribonuclease active site of human apurinic/apyrimidinic endonuclease 1.
Journal of molecular biology - 2 Sept 2011
Kim Wan-Cheol, Berquist Brian R, Chohan Manbir, Uy Christopher, Wilson David M, Lee Chow H
Abstract excerpt
Apurinic/apyrimidinic endonuclease 1 (APE1) is the major mammalian enzyme in DNA base excision repair that cleaves the DNA phosphodiester backbone immediately 5' to abasic sites. Recently, we identified APE1 as an endoribonuclease that cleaves a specific coding region of c-myc mRNA in vitro, regulating c-myc mRNA level and half-life in cells. Here, we further characterized the endoribonuclease activity of APE1,...
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