Article
An O6-methylguanine-DNA methyltransferase-like protein from Thermus thermophilus interacts with a nucleotide excision repair protein.
Journal of biochemistry - 1 Aug 2008
Morita Rihito, Nakagawa Noriko, Kuramitsu Seiki, Masui Ryoji
Abstract excerpt
The major damage to DNA caused by alkylating agents involves the formation of O6-methylguanine (O6-meG). Almost all species possess O6-methylguanine-DNA-methyltransferase (Ogt) to repair such damage. Ogt repairs O6-meG lesions in DNA by stoichiometric transfer of the methyl group to a cysteine residue in its active site (PCHR). Thermus thermophilus HB8 has an Ogt homologue, TTHA1564, but in this case an alanine...
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