نتایج جستجو برای: methyltransferase
تعداد نتایج: 22647 فیلتر نتایج به سال:
Individually inactive N- and C-terminal fragments of the m5C-methyltransferase M.BspRI can complement each other resulting in specific, in vivo methylation of the DNA. This was shown by cloning the coding regions for N- and C-terminal parts of the enzyme in compatible plasmids and co-transforming them into E.coli cells. The enzyme could be detached at several different sites, producing either n...
The Clinical Pharmacogenetics Implementation Consortium (CPIC) Guideline for Thiopurine Methyltransferase Genotype and Thiopurine Dosing was originally published in March 2011. We reviewed recent literature and concluded that although relevant new evidence has been generated, none of the evidence would change the primary dosing recommendations in the original guideline; therefore, the original ...
Escherichia coli cells expressing the tpm gene encoding the bacterial thiopurine methyltransferase (bTPMT) are shown to methylate selenite and (methyl)selenocysteine into dimethylselenide (DMSe) and dimethyldiselenide (DMDSe). E. coli cells expressing tpm from a gene library cosmid clone (harboring a Pseudomonas syringae insert of about 20 kb) also methylated selenate into DMSe and DMDSe. bTPMT...
The exogenously acquired 16S rRNA methyltransferases RmtD, RmtD2, and RmtG were cloned and heterologously expressed in Escherichia coli, and the recombinant proteins were purified to near homogeneity. Each methyltransferase conferred an aminoglycoside resistance profile consistent with m(7)G1405 modification, and this activity was confirmed by in vitro 30S methylation assays. Analyses of protei...
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