RPL39 (Mitochondrial Ribosomal Protein L39): MRPL39 is a gene that encodes a protein component of the mitochondrial ribosome, essential for mitochondrial protein synthesis. This process supports the production of mitochondrial respiratory chain components, which are critical for cellular energy generation. MRPL39 plays a key role in mitochondrial function, and its dysfunction may contribute to disorders affecting energy metabolism, including neurodegenerative, muscular, and metabolic diseases.