| NYN | N4BP1, YacP-like Nuclease |
| PPR | pentatricopeptide repeat |
| P-RNA | ribonucleoprotein RNase P RNA subunit |
| Pre-tRNA | precursor tRNA |
| PRORP | protein-only RNase P |
| RNP | ribonucleoprotein |
| tRNA | transfer RNA |
| NYN | N4BP1, YacP-like Nuclease |
| PPR | pentatricopeptide repeat |
| P-RNA | ribonucleoprotein RNase P RNA subunit |
| Pre-tRNA | precursor tRNA |
| PRORP | protein-only RNase P |
| RNP | ribonucleoprotein |
| tRNA | transfer RNA |