Reference: Perederina A, et al. (2023) Proteins Rpr2 and Pop3 increase the activity and thermal stability of yeast RNase P. RNA Biol 20(1):149-153

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Abstract


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.

Reference Type
Journal Article | Research Support, N.I.H., Extramural
Authors
Perederina A, Berezin I, Krasilnikov AS
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