BHMT2

betaine--homocysteine S-methyltransferase 2

Summary

Homocysteine is a sulfur-containing amino acid that plays a crucial role in methylation reactions. Transfer of the methyl group from betaine to homocysteine creates methionine, which donates the methyl group to methylate DNA, proteins, lipids, and other intracellular metabolites. The protein encoded by this gene is one of two methyl transferases that can catalyze the transfer of the methyl group from betaine to homocysteine. Anomalies in homocysteine metabolism have been implicated in disorders ranging from vascular disease to neural tube birth defects such as spina bifida. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2010]

Known Variants39 total

rsidPosition (GRCh37)AllelesClassClinVar
rs5557151265:78,365,467A/Gregulatory region variant—
rs7505365785:78,365,625C/T—uncertain significance
rs6737525:78,367,092T/Cupstream gene variant—
rs6261055:78,369,901A/Gupstream gene variant—
rs64534295:78,371,861T/G——
rs1451878845:78,373,308T/G—uncertain significance
rs5347233075:78,373,316G/A—uncertain significance
rs25308453505:78,373,321G/A—uncertain significance
rs25308454645:78,373,393G/C—uncertain significance
rs17556967675:78,373,418T/C—uncertain significance
rs1416486855:78,375,194C/T—uncertain significance
rs7743374845:78,375,199A/G—likely benign
rs17557389715:78,375,201T/G—uncertain significance
rs25308485475:78,375,214C/G—uncertain significance
rs601580075:78,375,222C/T—benign
rs7700076085:78,376,583G/T—uncertain significance
rs7468168585:78,376,613A/G—uncertain significance
rs25308508055:78,376,628C/G—uncertain significance
rs7456501525:78,378,657T/C—uncertain significance
rs7736847415:78,378,687A/G—likely benign
rs2018983325:78,378,708T/C—uncertain significance
rs7812586605:78,378,728G/C—uncertain significance
rs1452349865:78,378,749G/A—uncertain significance
rs412722705:78,378,824C/Tintron variant—
rs7701340015:78,379,042G/A—uncertain significance
rs3702593975:78,379,081T/C—uncertain significance
rs12152384105:78,379,114C/T—uncertain significance
rs7619715625:78,379,147C/T—uncertain significance
rs1413707085:78,379,180T/A—uncertain significance
rs13170848915:78,379,463G/T—uncertain significance
rs1825930945:78,379,475G/C—uncertain significance
rs25308557425:78,379,499G/A—uncertain significance
rs7501103005:78,379,511A/G—uncertain significance
rs3761046265:78,379,637G/A—uncertain significance
rs1906508675:78,380,316C/Tintron variant—
rs6258795:78,381,689A/Cintron variant—
rs5956535:78,383,862G/T——
rs7505782445:78,384,362C/A—uncertain significance
rs109445:78,385,845T/Gdownstream gene variant—

Gene information from NCBI Gene. Variant classifications from ClinVar.