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- Q7067991 subject Q8680982.
- Q7067991 abstract "In molecular biology, nuclear ribonuclease P (RNase P) is a ubiquitous endoribonuclease, found in archaea, bacteria and eukarya as well as chloroplasts and mitochondria. Its best characterised enzyme activity is the generation of mature 5'-ends of tRNAs by cleaving the 5'-leader elements of precursor-tRNAs. Cellular RNase Ps are ribonucleoproteins. The RNA from bacterial RNase P retains its catalytic activity in the absence of the protein subunit, i.e. it is a ribozyme. Similarly, archaeal RNase P RNA has been shown to be weakly catalytically active in the absence of its respective protein cofactors. Isolated eukaryotic RNase P RNA has not been shown to retain its catalytic function, but is still essential for the catalytic activity of the holoenzyme. Although the archaeal and eukaryotic holoenzymes have a much greater protein content than the bacterial ones, the RNA cores from all three lineages are homologous -- the helices corresponding to P1, P2, P3, P4, and P10/11 are common to all cellular RNase P RNAs. Yet there is considerable sequence variation, particularly among the eukaryotic RNAs.".
- Q7067991 thumbnail RF00009.jpg?width=300.
- Q7067991 wikiPageExternalLink home.html.
- Q7067991 wikiPageWikiLink Q1012651.
- Q7067991 wikiPageWikiLink Q10872.
- Q7067991 wikiPageWikiLink Q10876.
- Q7067991 wikiPageWikiLink Q11053.
- Q7067991 wikiPageWikiLink Q15712714.
- Q7067991 wikiPageWikiLink Q19088.
- Q7067991 wikiPageWikiLink Q201448.
- Q7067991 wikiPageWikiLink Q205858.
- Q7067991 wikiPageWikiLink Q224180.
- Q7067991 wikiPageWikiLink Q39572.
- Q7067991 wikiPageWikiLink Q417662.
- Q7067991 wikiPageWikiLink Q422523.
- Q7067991 wikiPageWikiLink Q47263.
- Q7067991 wikiPageWikiLink Q4995178.
- Q7067991 wikiPageWikiLink Q7187.
- Q7067991 wikiPageWikiLink Q7202.
- Q7067991 wikiPageWikiLink Q8047.
- Q7067991 wikiPageWikiLink Q8680982.
- Q7067991 comment "In molecular biology, nuclear ribonuclease P (RNase P) is a ubiquitous endoribonuclease, found in archaea, bacteria and eukarya as well as chloroplasts and mitochondria. Its best characterised enzyme activity is the generation of mature 5'-ends of tRNAs by cleaving the 5'-leader elements of precursor-tRNAs. Cellular RNase Ps are ribonucleoproteins. The RNA from bacterial RNase P retains its catalytic activity in the absence of the protein subunit, i.e. it is a ribozyme.".
- Q7067991 label "Nuclear RNase P".
- Q7067991 depiction RF00009.jpg.