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Rabbit Anti-MRPS18A antibody
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 that belongs to the ribosomal protein S18P family. The encoded protein is one of three that has significant sequence similarity to bacterial S18 proteins. The primary sequences of the three human mitochondrial S18 proteins are no more closely related to each other than they are to the prokaryotic S18 proteins. A pseudogene corresponding to this gene is found on chromosome 3p. Alternative splicing results in multiple transcript variants.[provided by RefSeq, Jul 2010]
Function:
MRPS18A is 1 of more than 70 protein components of mitochondrial ribosomes which are encoded by the nuclear genome. Mitochondria have their own translation system for production of 13 proteins essential for oxidative phosphorylation.
Subcellular Location:
Mitochondrial
Similarity:
Belongs to the ribosomal protein S18P family.
SWISS:
Q9NVS2
Gene ID:
55168
Database links:
Entrez Gene: 55168 Human
Omim: 611981 Human
SwissProt: Q9NVS2 Human
Unigene: 520149 Human
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