Article
Determinants in nuclease specificity of Ape1 and Ape2, human homologues of Escherichia coli exonuclease III.
Journal of molecular biology - 22 Feb 2002
Hadi Masood Z, Ginalski Krzysztof, Nguyen Lam H, Wilson David M
Abstract excerpt
Abasic sites and non-conventional 3'-ends, e.g. 3'-oxidized fragments (including 3'-phosphate groups) and 3'-mismatched nucleotides, arise at significant frequency in the genome due to spontaneous decay, oxidation or replication errors. To avert the potentially mutagenic or cytotoxic effects of these chromosome modifications/intermediates, organisms are equipped with apurinic/apyrimidinic (AP) endonucleases and...
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