期刊
RNA BIOLOGY
卷 6, 期 4, 页码 362-369出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/rna.6.4.9241
关键词
Ribonuclease P; ribozyme; catalytic RNA; rnpB; tRNA processing; 5 ' cleavage
资金
- NIH, National Institute of Environmental Health Sciences
Ribonuclease P (RNase P) is a ribonucleoprotein comprised of a catalytic RNA subunit and one or several protein subunits. RNase P is best known for its role in 5'-processing of tRNA precursors. RNase P enzymes from almost all forms of life, including protein-synthesizing organelles, contain an RNase P with a conserved, homologous RNA. Five distinct structure classes of RNase P RNAs have been identified in bacteria and archaea; eukaryotic RNase P RNAs are not yet sufficiently well surveyed for structure classes to be defined. Here we will examine the structure variations in RNase P RNAs in bacteria, archaea, eukaryotes, plastids and mitochondria with special emphasis on the functional roles these unique secondary structures perform.
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