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SET and RING-finger-associated (SRA) domain is involved in establishment and maintenance of DNA methylation in eukaryotes. Proteins containing SRA domains exist in mammals, plants, even microorganisms. It has been established that mammalian SRA domain recognizes 5-methylcytosine (5mC) through a base-flipping mechanism. Here, we identified and characterized(More)
5-Hydroxymethylcytosine (5hmC) is present in T-even phage and mammalian DNA as well as some nucleoside antibiotics, including mildiomycin and bacimethrin, during whose synthesis 5hmC is produced by the hydrolysis of 5-hydroxymethyl cytidine 5'-monophosphate (hmCMP) by an N-glycosidase MilB. Recently, the MilB-CMP complex structure revealed its substrate(More)
DNA phosphorothioation (PT) is the first discovered physiological DNA backbone modification, in which a non-bridging oxygen atom of the phosphodiester bond is replaced with a sulfur atom in Rp (rectus for plane) configuration. PT modification is governed by a highly conserved gene cluster dndA/iscS-dndBCDE that is widespread across bacterial and archaeal(More)
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