نتایج جستجو برای: like rnase
تعداد نتایج: 661264 فیلتر نتایج به سال:
Acid azo dyes, most of them naphtholdisulfonic acid derivatives, were given intraperitoneally to rats and their effect on "alkaline" ribonuclease activity was studied in total homogenates of kidney cortex and liver. Acid treatment was used to release bound enzyme activity. Several of the dyes, including trypan blue, increased RNase activity in both organs 3 days after administration of single d...
RNase MRP is a site-specific ribonucleoprotein endoribonuclease that processes RNA from the mammalian mitochondrial displacement loop containing region. RNase P is a site-specific ribonucleoprotein endoribonuclease that processes pre-tRNAs to generate their mature 5'-ends. A similar structure for the RNase P and RNase MRP RNAs and a common cleavage mechanism for RNase MRP and RNase P enzymes ha...
Ribonuclease P (RNase P) and RNase MRP are closely related ribonucleoprotein enzymes, which process RNA substrates including tRNA precursors for RNase P and 5.8 S rRNA precursors, as well as some mRNAs, for RNase MRP. The structures of RNase P and RNase MRP have not yet been solved, so it is unclear how the proteins contribute to the structure of the complexes and how substrate specificity is d...
A novel method of RNA secondary structure prediction based on a comparison of nucleotide sequences is described. This method correctly predicts nearly all evolutionarily conserved secondary structures of five different RNAs: tRNA, 5S rRNA, bacterial ribonuclease P (RNase P) RNA, eukaryotic small subunit rRNA, and the 3' untranslated region (UTR) of the Drosophila bicoid (bcd) mRNA. Furthermore,...
A yeast two-hybrid system was used to identify protein-protein interactions between the ribonuclease P (RNase P) protein subunits Mth11p, Mth687p, Mth688p and Mth1618p from the archaeon Methanothermobacter thermoautotrophicus. Clear interactions between Mth688p and Mth687p, and between Mth1618p and Mth11p, were confirmed by HIS3 and LacZ reporter expression. Weaker interactions of Mth687p and M...
Several specific modifications, both proteolytic and chemical, have been performed on RNase A. The ability of each of these RNase A derivatives to bind the human placental RNase inhibitor has been determined in competition binding assays. The interaction depends upon the native conformation of the enzyme. Loss of active site residues His-12 and His-119, along with auxiliary residues Lys-7, Phe-...
Dedication To my parents. Ellington, who allowed me to use his lab for RNase protection assay and growth rate experiment. I acknowledge Drs. sharing strains and antibodies. Many thanks to all the former and current Georgiou group members for their friendship and help. In particular, I thank Meng Zhao for doing the RraA and RraB co-precipitation experiment, Xiaoming Zhan for helping with the RPA...
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