Anna A Karkhanina

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N/O-methylation of DNA can be cytotoxic and mutagenic; therefore, enzymes that reverse DNA methylation are essential for organism survival. Several 2-oxoglutarate-dependent oxygenases and methyltransferases that remove a methyl group from a methylated DNA base have been identified. Studies of their kinetics and search for their inhibitors have been retarded(More)
The AlkB family of oxygenases catalyze the removal of alkyl groups from nucleic acid substrates in an iron and 2-oxoglutarate-dependent manner and have roles including in DNA repair. To understand the biological functions of these DNA-dealkylating enzymes it is desirable to measure their expression levels in vitro and in vivo in complex biological matrixes.(More)
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