نتایج جستجو برای: p0000 5
تعداد نتایج: 1215766 فیلتر نتایج به سال:
An artificial phosphopeptide recognized the difference between methylated and hydroxymethylated cytosines in DNA. The Sp1 zinc finger peptide substituted by phosphotyrosine effectively discriminated between 5-methylcytosine, 5-hydroxymethylcytosine ((hm)C) and unmethylated cytosine. The DNA recognition properties of the peptide differ from those of other chemicals that detect (hm)C.
Adenosine Analogs, Conformation, NMR The solution conformation of adenosine(/Oribosides modified at the 2', 3' or 5' position is derived from the analysis o f the HRNM R spectra of the ribose protons. The conformational equilibria of the furanoside rings are described by the two state N <-+ S model introduced by Altona and Sundaralingam. The new compounds studied are: 2'-thiobenzoyl-2'-deoxyade...
DNA methylation plays an important role in the epigenetic regulation of mammalian gene expression. TET (ten-eleven translocation) proteins, newly discovered demethylases, have sparked great interest since their discovery. TET proteins catalyze 5-methylcytosine to 5-hydroxymethylcytosine, 5-formylcytosine and 5-carboxylcytosine in 3 consecutive Fe(II)- and 2-oxoglutarate (2-OG)-dependent oxidati...
Epigenetic processes play a key role in the central nervous system and altered levels of 5-methylcytosine have been associated with a number of neurologic phenotypes, including Alzheimer's disease (AD). Recently, 3 additional cytosine modifications have been identified (5-hydroxymethylcytosine, 5-formylcytosine, and 5-carboxylcytosine), which are thought to be intermediate steps in the demethyl...
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