CYP2C19

cytochrome P450 family 2 subfamily C member 19

Pharmacogene

Summary

This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This protein localizes to the endoplasmic reticulum and is known to metabolize many xenobiotics, including the anticonvulsive drug mephenytoin, omeprazole, diazepam and some barbiturates. Polymorphism within this gene is associated with variable ability to metabolize mephenytoin, known as the poor metabolizer and extensive metabolizer phenotypes. The gene is located within a cluster of cytochrome P450 genes on chromosome 10q24. [provided by RefSeq, Jul 2008]

Known Variants78 total

rsidPosition (GRCh37)AllelesClassClinVar
rs36754300210:94,762,712C/Tmissense variantno classification for the single variant
rs36754300310:94,762,715T/Cmissense variantno classification for the single variant
rs156465698110:94,762,788A/Tmissense variantdrug response
rs156465701310:94,762,856A/Gmissense variantdrug response
rs14532898410:94,775,106C/Tmissense variantdrug response
rs156466099710:94,775,121C/Tmissense variantdrug response
rs11820375610:94,775,160G/Cmissense variantdrug response
rs128860165810:94,775,185A/Gmissense variantdrug response
rs1788517910:94,775,423A/Cmissense variant—
rs14027842110:94,780,574G/Cmissense variantdrug response
rs37080398910:94,780,579G/Amissense variantdrug response
rs7255818610:94,781,858T/Asplice donor variantdrug response
rs5633701310:94,781,858C/Tmissense variantdrug response
rs37578122710:94,781,944G/Amissense variantdrug response
rs13814261210:94,842,861G/Amissense variantdrug response
rs11820375710:94,842,879G/Amissense variantno classification for the single variant
rs11393493810:94,842,995G/Amissense variantno classification for the single variant
rs4129155610:94,845,866C/Amissense variantdrug response
rs19215456310:94,852,765C/Tmissense variantdrug response
rs11820375910:94,852,785C/Gmissense variantdrug response
rs11316468110:96,520,433C/T—no classification for the single variant
rs11149078910:96,520,443C/A—no classification for the single variant
rs1787873910:96,521,024T/C—no classification for the single variant
rs381463710:96,521,045C/G——
rs790225710:96,521,422A/A—drug response
rs1224856010:96,521,657C/Tregulatory region variantdrug response
rs498689410:96,522,365T/Cupstream gene variant—
rs36754300110:96,522,450G/A—no classification for the single variant
rs2839950410:96,522,463A/Gmissense variantdrug response
rs5575206410:96,522,512T/Cmissense variantdrug response
rs1788268710:96,522,517A/Cmissense variantdrug response
rs1788509810:96,522,561T/Csynonymous variantbenign
rs1277334210:96,523,083T/Cintron variant—
rs658395410:96,534,263C/Tcoding sequence variant—
rs117548270410:96,534,890G/A—uncertain significance
rs75811485210:96,534,906T/A—uncertain significance
rs1787845910:96,534,922G/Asynonymous variant—
rs1276920510:96,535,124A/Gupstream gene variantdrug response
rs37130903610:96,535,207T/C—uncertain significance
rs7255226710:96,535,210G/Amissense variantdrug response
rs7255818410:96,535,210G/Amissense variantdrug response
rs36876751810:96,535,245C/A—uncertain significance
rs1788471210:96,535,246G/Amissense variantdrug response
rs5897349010:96,535,264G/Amissense variantdrug response
rs249277143410:96,540,369G/A—uncertain significance
rs74723260510:96,540,388T/G—uncertain significance
rs498689310:96,540,410G/Astop gaineddrug response
rs249277356510:96,541,579T/C—uncertain significance
rs143762805910:96,541,599A/G—uncertain significance
rs641343810:96,541,615C/Tmissense variantdrug response
rs424428510:96,541,616G/Asplice acceptor variantdrug response
rs1276758310:96,547,463C/Tintron variant—
rs19199101610:96,553,753G/T——
rs1257208510:96,571,931C/A——
rs11208200710:96,574,255C/T——
rs11322566310:96,574,699C/G——
rs249283799210:96,580,343A/C—uncertain significance
rs11524961110:96,582,674A/T——
rs1118808710:96,587,289G/Aintron variant—
rs19956244610:96,587,751C/T——
rs18159777610:96,596,152T/Gintron variant—
rs2839951310:96,602,398T/Aintron variant—
rs375858010:96,602,622C/Asynonymous variant—
rs375858110:96,602,623G/Amissense variantbenign
rs1788274410:96,602,691C/T—benign
rs37124159210:96,602,699A/C—uncertain significance
rs134238295010:96,602,717T/C—uncertain significance
rs138447654610:96,602,726G/C—uncertain significance
rs491762310:96,609,568T/Cintron variant—
rs93503052710:96,609,697C/A—likely benign
rs249289430010:96,609,712T/A—uncertain significance
rs37718451010:96,609,721A/G—no classification for the single variant
rs1787968510:96,609,752C/Tmissense variantdrug response
rs184962880110:96,609,764G/C—uncertain significance
rs1788652210:96,609,775A/Csynonymous variantbenign
rs77697024910:96,609,776A/G—uncertain significance
rs249289908210:96,612,607C/T—uncertain significance
rs5564010210:96,612,671A/Cstop lostdrug response

Gene information from NCBI Gene. Variant classifications from ClinVar.