Proteins Rpr2 and Pop3 increase the activity and thermal stability of yeast RNase P.
Proteins Rpr2 and Pop3 increase the activity and thermal stability of yeast RNase P.
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DOI:
10.1080/15476286.2023.2201110
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发表时间:
2023-01
期刊:
影响因子:
4.1
通讯作者:
Krasilnikov, Andrey S.
中科院分区:
文献类型:
--
作者:
Perederina, Anna;Berezin, Igor;Krasilnikov, Andrey S.
RNA-based enzyme RNase P is a ribonucleoprotein complex responsible primarily for 5’-maturation of tRNAs. S. cerevisiae RNase P comprises a catalytic RNA component and nine proteins. The assembly and maturation of S. cerevisiae RNase P involves an abundant and catalytically active precursor form, which includes all components except for proteins Rpr2 and Pop3. Rpr2 and Pop3 are essential proteins, but their roles in RNase P were not clear. Here we use a step-wise in vitro assembly of yeast RNase P to show that the addition of proteins Rpr2 and Pop3 increases the activity and thermal stability of the RNase P complex, similar to the effects previously observed for archaeal RNases P.
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