MRPS31

mitochondrial ribosomal protein S31

Summary

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. The 28S subunit of the mammalian mitoribosome may play a crucial and characteristic role in translation initiation. This gene encodes a 28S subunit protein that has also been associated with type 1 diabetes; however, its relationship to the etiology of this disease remains to be clarified. Pseudogenes corresponding to this gene have been found on chromosomes 3 and 13. [provided by RefSeq, Jul 2008]

Known Variants40 total

rsidPosition (GRCh37)AllelesClassClinVar
rs14264603813:41,303,525T/Cuncertain significance
rs187960043413:41,303,574C/Auncertain significance
rs20192459213:41,303,602C/Tuncertain significance
rs37423465513:41,303,644A/Guncertain significance
rs14632289713:41,303,722C/Tuncertain significance
rs130083634713:41,303,723C/Tuncertain significance
rs20152834513:41,310,283G/A
rs954927613:41,313,087T/G
rs960378613:41,316,364G/T
rs5890850113:41,317,324G/T
rs7247660713:41,317,527A/Gintron variant
rs75791900413:41,323,282T/Cuncertain significance
rs75991067413:41,323,398C/Guncertain significance
rs75789567313:41,323,408G/Auncertain significance
rs18589703613:41,328,161C/Tuncertain significance
rs55542914313:41,328,205C/Guncertain significance
rs37718872913:41,331,014T/Guncertain significance
rs77482917813:41,331,043G/Tuncertain significance
rs122823383213:41,331,111G/Cuncertain significance
rs800241213:41,331,497T/Cintron variant
rs77472495113:41,333,121A/Guncertain significance
rs250156359113:41,333,222T/Guncertain significance
rs7747357613:41,338,147T/Cintron variant
rs19955481413:41,340,912C/Tlikely benign
rs75505007213:41,340,917C/Guncertain significance
rs19993345013:41,340,992T/Auncertain significance
rs77402613313:41,341,036T/Cuncertain significance
rs127930912013:41,341,131C/Tuncertain significance
rs76625725513:41,341,146T/Cuncertain significance
rs76427997713:41,341,159T/Auncertain significance
rs55604364613:41,341,161T/Cuncertain significance
rs7346120613:41,343,753C/G
rs188099520813:41,345,203G/Auncertain significance
rs75421800713:41,345,214G/Tuncertain significance
rs137041919913:41,345,223T/Guncertain significance
rs75784260713:41,345,227G/Auncertain significance
rs75118126113:41,345,235G/Alikely benign
rs74558974413:41,345,244G/Auncertain significance
rs18592527913:41,345,245G/Auncertain significance
rs75975525713:41,345,269A/Cuncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.