Mitochondrial ribosomal protein L49 (MRPL49)

Mitochondrial ribosomal protein L49 (MRPL49) is a nuclear-encoded protein that becomes part of the large 39S subunit of the mitochondrial ribosome. It is essential for the translation of proteins encoded by mitochondrial DNA, thereby supporting mitochondrial function and energy production. The mitochondrial ribosome has a distinct protein-to-rRNA composition compared to prokaryotic ribosomes, and its proteins are highly divergent between species. Variants or dysregulation of MRPL49 and related mitochondrial ribosomal proteins have been implicated as contributors to inherited mitochondrial diseases and as potential therapeutic or prognostic targets in cancer, notably acute myeloid leukemia. MRPL49 is essential for cell viability due to its central role in mitochondrial translation and is structurally associated with the ribosome rather than functioning as an enzyme, transporter, or classical receptor[1][3][7][8][2][4][5].

Other names

Large ribosomal subunit protein mL49C11orf4NOF1L49mtMRP-L49NOFNeighbor of FAUProtein NOF1COXPD6039S ribosomal protein L49, mitochondrialMitochondrial large ribosomal subunit protein mL49next to FAUOK/SW-cl.67mL49

Null (no direct mechanism defined for drug targeting; the function is as a ribosomal structural protein. Targeting mitochondrial ribosome proteins generally affects mitochondrial protein synthesis, which may be leveraged in cancer or mitochondrial disease therapies.)