MRPS9
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Mitochondrial ribosomal protein S9 (MRPS9), otherwise known as uS9m, is a protein that in humans is encoded by the MRPS9 gene. [1]
Function
[edit | edit source]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. Another difference between mammalian mitoribosomes and prokaryotic ribosomes is that the latter contain a 5S rRNA. Among different species, the proteins comprising the mitoribosome differ greatly in sequence, and sometimes in biochemical properties, which prevents easy recognition by sequence homology. This gene encodes a 28S subunit protein. [provided by RefSeq, Jul 2008].
See also
[edit | edit source]References
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
Further reading
[edit | edit source]External links
[edit | edit source]- Overview of all the structural information available in the PDB for UniProt: P82933 (Human 28S ribosomal protein S9, mitochondrial (MRPS9)) at the PDBe-KB.
This article incorporates text from the United States National Library of Medicine, which is in the public domain.