Anti-RPP25 antibodies are used in the immunodetection of the protein ribonuclease P and MRP subunit p25. In humans, the canonical protein has a reported length of 199 amino acid residues and a mass of 20.6 kDa. Its subcellular localization is in the nucleus. It is notably widely expressed in many tissue types. A member of the Histone-like Alba protein family, RPP25 is known to be a component of ribonuclease P, a ribonucleoprotein complex that generates mature tRNA molecules by cleaving their 5'-ends. Synonyms for this target antigen include RNase P protein subunit p25, ribonuclease P 25kDa subunit, ribonuclease P/MRP 25kDa subunit, ribonuclease P/MRP subunit p25, and ribonuclease P protein subunit p25. RPP25 gene orthologs have been reported in the mouse, rat, bovine, frog, chimpanzee and chicken species. Some RPP25 antibodies may have been used in research and have associated citations. These antibodies are most commonly used in Western Blot experiments, among other applications.