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We examined the intracellular distribution of 8-oxo-dGTPase (8-oxo-7,8-dihydrodeoxyguanosine triphosphatase) encoded by the MTH1 gene, a human mutator homologue. The activity of 8-oxo-dGTPase mainly located in cytosolic and mitochondrial soluble fractions of Jurkat cells, a human T-cell leukemia line. Electron microscopic immunocytochemistry, using a(More)
cDNA encoding rabbit O6-methylguanine-DNA methyltransferase that repairs DNA damaged by alkylating agents was isolated, using as a probe a fragment of mouse cDNA coding for a region containing the active site of the enzyme. The nucleotide sequence of the cDNA revealed that the rabbit methyltransferase is a 181-amino acid polypeptide with a mol. wt of(More)
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