An RNA-containing enzyme that plays an essential role in tRNA processing by catalyzing the endonucleolytic cleavage of TRANSFER RNA precursors. It removes the extra 5'-nucleotides from tRNA precursors to generate mature tRNA molecules.
Entry Term(s)
RNA Catalytic Subunit, Ribonuclease P
RNase P
Ribonuclease P, RNA Catalytic Subunit
Registry Number
EC 3.1.26.5
Related Numbers
EC 3.1.26.5
Previous Indexing
Endonucleases (1979-2003)
Endoribonucleases (1983-2003)
RNA, Catalytic (1991-2003)
Public MeSH Note
2004; RIBONUCLEASE P was indexed under ENDORIBONUCLEASES 1983-2003, under RNA, CATALYTIC 1991-2003, under ENDONUCLEASES 1981-1982, & under RIBONUCLEASES 1979-1982
An RNA-containing enzyme that plays an essential role in tRNA processing by catalyzing the endonucleolytic cleavage of TRANSFER RNA precursors. It removes the extra 5'-nucleotides from tRNA precursors to generate mature tRNA molecules.
