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SUV3 | DExH-box ATP-dependent RNA helicase DExH16, mitochondrial; Major helicase player in mitochondrial RNA metabolism. Component of the mitochondrial degradosome (mtEXO) complex, that degrades 3' overhang double-stranded RNA with a 3'-to-5' directionality in an ATP-dependent manner. ATPase and ATP-dependent multisubstrate helicase, able to unwind double-stranded (ds) DNA and RNA, and RNA/DNA heteroduplexes in the 5'-to-3' direction. Plays a role in the RNA surveillance system in mitochondria; regulates the stability of mature mRNAs, the removal of aberrantly formed mRNAs and the rapid degra [...] (571 aa) | ||||
PRORP1 | Proteinaceous RNase P 1, chloroplastic/mitochondrial; Endonuclease RNase P responsible for the 5' maturation of tRNA precursors. Preferentially cleaves at the unusual cleavage site, but also able to cleave at the classical cleavage site. Also involved in the maturation of mRNAs in mitochondria. (572 aa) | ||||
atp9 | ATP synthase subunit 9, mitochondrial; Belongs to the ATPase C chain family. (85 aa) | ||||
ATP9 | ATP synthase subunit 9, mitochondrial; This protein is one of the chains of the nonenzymatic membrane component (F0) of mitochondrial ATPase. (85 aa) | ||||
PRORP2 | Proteinaceous RNase P 2; Endonuclease RNase P responsible for the 5' maturation of tRNA precursors. Preferentially binds precursor tRNAs containing short 5' leaders and 3' trailers. Also involved in the maturation of mRNA and small nucleolar RNA (snoRNA) ; Belongs to the PPR family. P subfamily. (528 aa) | ||||
YBEY | Endoribonuclease YBEY, chloroplastic; Endoribonuclease required for chloroplast ribosomal RNA (rRNA) processing and essential for normal growth and development. May be involved in maturation of both the 5' and 3' ends of 16S, 23S, and 4.5S rRNAs. Cleaves chloroplast rRNAs, mRNAs and tRNAs in vitro. Belongs to the endoribonuclease YbeY family. (584 aa) | ||||
TRZ1 | tRNase Z TRZ1; Zinc phosphodiesterase, which displays tRNA 3'-processing endonuclease activity. Involved in tRNA maturation, by removing a 3'-trailer from precursor tRNA. Can use bis-(p-nitophenyl) phosphate (bpNPP) as substrate. Involved in the processing of small nucleolar RNAs (snoRNAs). (280 aa) | ||||
PARN | Poly(A)-specific ribonuclease PARN; 3'-exoribonuclease that has a preference for poly(A) tails of mRNAs, thereby efficiently degrading poly(A) tails. Exonucleolytic degradation of the poly(A) tail is often the first step in the decay of eukaryotic mRNAs. Essential for early development, possibly by participating in silencing certain maternal mRNAs translationally. May have a pivotal role in stress response; Belongs to the CAF1 family. (689 aa) |