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/C—uncertain significance
rs187960043413:41,303,574C/A—uncertain significance
rs20192459213:41,303,602C/T—uncertain significance
rs37423465513:41,303,644A/G—uncertain significance
rs14632289713:41,303,722C/T—uncertain significance
rs130083634713:41,303,723C/T—uncertain 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/C—uncertain significance
rs75991067413:41,323,398C/G—uncertain significance
rs75789567313:41,323,408G/A—uncertain significance
rs18589703613:41,328,161C/T—uncertain significance
rs55542914313:41,328,205C/G—uncertain significance
rs37718872913:41,331,014T/G—uncertain significance
rs77482917813:41,331,043G/T—uncertain significance
rs122823383213:41,331,111G/C—uncertain significance
rs800241213:41,331,497T/Cintron variant—
rs77472495113:41,333,121A/G—uncertain significance
rs250156359113:41,333,222T/G—uncertain significance
rs7747357613:41,338,147T/Cintron variant—
rs19955481413:41,340,912C/T—likely benign
rs75505007213:41,340,917C/G—uncertain significance
rs19993345013:41,340,992T/A—uncertain significance
rs77402613313:41,341,036T/C—uncertain significance
rs127930912013:41,341,131C/T—uncertain significance
rs76625725513:41,341,146T/C—uncertain significance
rs76427997713:41,341,159T/A—uncertain significance
rs55604364613:41,341,161T/C—uncertain significance
rs7346120613:41,343,753C/G——
rs188099520813:41,345,203G/A—uncertain significance
rs75421800713:41,345,214G/T—uncertain significance
rs137041919913:41,345,223T/G—uncertain significance
rs75784260713:41,345,227G/A—uncertain significance
rs75118126113:41,345,235G/A—likely benign
rs74558974413:41,345,244G/A—uncertain significance
rs18592527913:41,345,245G/A—uncertain significance
rs75975525713:41,345,269A/C—uncertain significance

Gene information from NCBI Gene. Variant classifications from ClinVar.