Article
A molecular basis for the selective recognition of 2-hydroxy-dATP and 8-oxo-dGTP by human MTH1.
The Journal of biological chemistry - 8 Mar 2002
Sakai Yasunari, Furuichi Masato, Takahashi Masayuki, Mishima Masaki, Iwai Shigenori, Shirakawa Masahiro, Nakabeppu Yusaku
Abstract excerpt
MTH1 hydrolyzes oxidized purine nucleoside triphosphates such as 8-oxo-dGTP, 8-oxo-dATP, 2-hydroxy-dATP, and 2-hydroxy rATP to monophosphates, and thus avoids errors caused by their misincorporation during DNA replication or transcription, which may result in carcinogenesis or neurodegeneration. This substrate specificity for oxidized purine nucleoside triphosphates was investigated by mutation analyses based on...
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