MICA

MHC class I polypeptide-related sequence A

Summary

This gene encodes the highly polymorphic major histocompatability complex class I chain-related protein A. The protein product is expressed on the cell surface, although unlike canonical class I molecules it does not seem to associate with beta-2-microglobulin. It is a ligand for the NKG2-D type II integral membrane protein receptor. The protein functions as a stress-induced antigen that is broadly recognized by intestinal epithelial gamma delta T cells. Variations in this gene have been associated with susceptibility to psoriasis 1 and psoriatic arthritis, and the shedding of MICA-related antibodies and ligands is involved in the progression from monoclonal gammopathy of undetermined significance to multiple myeloma. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Jan 2014]

Known Variants70 total

rsidPosition (GRCh37)AllelesClassClinVar
rs25965426:31,366,595C/Tdownstream gene variant
rs1162853046:31,368,391A/Tregulatory region variant
rs1121422096:31,368,508A/Gcoding sequence variant
rs25965386:31,368,632G/Aregulatory region variant
rs1434993226:31,369,719T/Cdownstream gene variant
rs37632886:31,370,367G/Aregulatory region variant
rs172000676:31,370,722C/G
rs172000816:31,371,045G/C
rs5522070816:31,371,453C/Tuncertain significance
rs23017476:31,371,587C/Gregulatory region variant
rs734003596:31,374,072A/Tregulatory region variant
rs1877128606:31,374,110C/Gregulatory region variant
rs1446260016:31,374,671C/Tupstream gene variant
rs1142029866:31,375,917T/Cintron variant
rs1137086006:31,376,217A/Cregulatory region variant
rs22633146:31,376,545C/Tregulatory region variant
rs77471616:31,376,798A/T
rs121754896:31,377,587G/C
rs1142917956:31,377,640C/Gintron variant
rs25234966:31,377,719T/A
rs28487156:31,377,734A/Gintron variant
rs412845116:31,377,754G/A
rs69384536:31,377,793T/Aintron variant
rs69159996:31,377,851G/T
rs285598706:31,377,974C/Tintron variant
rs284360346:31,377,975A/C
rs92668066:31,378,022T/G
rs172001096:31,378,117C/Tintron variant
rs5452860326:31,378,329G/Auncertain significance
rs7574778626:31,378,334C/Tuncertain significance
rs10636316:31,378,387T/Csynonymous variant
rs12351035736:31,378,393G/Cuncertain significance
rs3743101766:31,378,421C/Tuncertain significance
rs17710663386:31,378,442A/Guncertain significance
rs1814309306:31,378,575G/Alikely benign
rs172002426:31,378,650C/G
rs28539816:31,378,768A/T
rs12448246276:31,378,923T/Cuncertain significance
rs10517926:31,378,977G/Amissense variant
rs12701050306:31,379,011T/Cuncertain significance
rs415608246:31,379,043A/Gmissense variant
rs25331048896:31,379,074A/Guncertain significance
rs10517946:31,379,109G/Amissense variant
rs415497186:31,379,118G/Alikely benign
rs5303345476:31,379,119T/Cuncertain significance
rs28539776:31,379,304A/C
rs38288796:31,379,391C/G
rs11407006:31,379,817T/Cbenign
rs415406136:31,379,840G/Cbenign
rs14653900896:31,379,871G/Tuncertain significance
rs13869669096:31,379,907C/Auncertain significance
rs10636356:31,379,931G/Amissense variantbenign
rs3770471056:31,379,972G/Auncertain significance
rs415536166:31,379,990C/Gmissense variant
rs1122430366:31,380,034G/Aintron variant
rs3726776946:31,380,113G/Aconflicting classifications of pathogenicity
rs1122530876:31,380,404C/Tintron variant
rs22561746:31,380,422A/Gintron variant
rs22561836:31,380,529A/Gintron variant
rs22561846:31,380,583A/Gintron variant
rs31324676:31,380,943G/Aintron variant
rs69341756:31,380,950C/Tintron variant
rs28539686:31,381,351A/Gintron variant
rs22563186:31,381,519G/Aintron variant
rs1139013676:31,382,015A/Tintron variant
rs28539756:31,382,717A/Tintron variant
rs1130158306:31,383,036T/A3 prime UTR variant
rs92668346:31,383,130T/Adownstream gene variant
rs92668376:31,383,389A/Gdownstream gene variant
rs92668386:31,383,391A/C

Gene information from NCBI Gene. Variant classifications from ClinVar.