CYP1A2

cytochrome P450 family 1 subfamily A member 2

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. The protein encoded by this gene localizes to the endoplasmic reticulum and its expression is induced by some polycyclic aromatic hydrocarbons (PAHs), some of which are found in cigarette smoke. The enzyme's endogenous substrate is unknown; however, it is able to metabolize some PAHs to carcinogenic intermediates. Other xenobiotic substrates for this enzyme include caffeine, aflatoxin B1, and acetaminophen. The transcript from this gene contains four Alu sequences flanked by direct repeats in the 3' untranslated region. [provided by RefSeq, Jul 2008]

Known Variants51 total

rsidPosition (GRCh37)AllelesClassClinVar
rs5616078415:74,749,801C/Gmissense variant—
rs13865254015:74,749,986C/Tmissense variant—
rs7254751215:74,750,240G/Cmissense variant—
rs75874879715:74,750,372A/Tmissense variant—
rs3579683715:74,751,252G/Amissense variant—
rs14992875515:74,753,201C/Tmissense variant—
rs14414896515:74,754,843G/Amissense variant—
rs4548689315:74,754,850C/Tmissense variant—
rs14319336915:74,755,022C/Astop gained—
rs37409475815:74,755,066G/Amissense variantuncertain significance
rs206951415:75,038,220G/Aupstream gene variant—
rs3569413615:75,039,613—upstream gene variant—
rs206952515:75,040,372T/G——
rs206952615:75,041,341T/Gintron variant—
rs1272046115:75,041,351C/Tintron variant—
rs76255115:75,041,917C/Aintron variantlikely benign
rs75176037715:75,042,101C/T—uncertain significance
rs7254751115:75,042,204C/Gmissense variant—
rs20176396615:75,042,221T/G—uncertain significance
rs250555471415:75,042,283G/A—uncertain significance
rs123668562515:75,042,299G/A—uncertain significance
rs77950228415:75,042,357C/T—uncertain significance
rs1786115415:75,042,385C/T—likely benign
rs3415390415:75,042,472G/A—likely benign
rs250555507715:75,042,480C/T—uncertain significance
rs7254751315:75,042,637C/Tsynonymous variant—
rs36951188715:75,042,638G/A—likely benign
rs127153227415:75,042,722G/A—uncertain significance
rs76543568215:75,042,767G/C—uncertain significance
rs250555580015:75,042,857T/C—uncertain significance
rs4546809615:75,043,539C/T—likely benign
rs77187660315:75,043,567A/G—uncertain significance
rs75097519215:75,043,594G/T—uncertain significance
rs99567331715:75,044,146G/A—uncertain significance
rs5627645515:75,044,195G/Amissense variant—
rs247230415:75,044,238G/Aintron variant—
rs374348415:75,044,400G/A——
rs7254751515:75,044,552G/Amissense variant—
rs75045537615:75,044,576C/A—uncertain significance
rs7254751615:75,044,578A/Tmissense variant—
rs5588906615:75,045,575G/Amissense variant—
rs5610763815:75,045,612G/Asplice region variant—
rs14555763115:75,047,161G/T—uncertain significance
rs2839942415:75,047,169C/Tmissense variant—
rs7254751715:75,047,245G/Amissense variant—
rs128927130915:75,047,278A/G—uncertain significance
rs75114343815:75,047,280A/C—uncertain significance
rs57166382215:75,047,337G/A—benign
rs247089015:75,047,426C/Tsynonymous variantbenign
rs1163641915:75,047,600A/T——
rs1786116215:75,048,753C/Gdownstream gene variant—

Gene information from NCBI Gene. Variant classifications from ClinVar.