Tags: Protein.
39S ribosomal protein L28 mitochondrial is a protein that in humans is encoded by the MRPL28 gene.Mammalian mitochondrial ribosomal proteins are encoded by nuclear genes and help in protein synthesis within the mitochondrion. Mitochondrial ribosomes (mitoribosomes) consist of a small 28S subunit and a large 39S subunit. They have an estimated 75% protein to rRNA composition compared to prokaryotic ribosomes where this ratio is reversed.