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
rs3569413615:75,039,613upstream 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/Tuncertain significance
rs7254751115:75,042,204C/Gmissense variant
rs20176396615:75,042,221T/Guncertain significance
rs250555471415:75,042,283G/Auncertain significance
rs123668562515:75,042,299G/Auncertain significance
rs77950228415:75,042,357C/Tuncertain significance
rs1786115415:75,042,385C/Tlikely benign
rs3415390415:75,042,472G/Alikely benign
rs250555507715:75,042,480C/Tuncertain significance
rs7254751315:75,042,637C/Tsynonymous variant
rs36951188715:75,042,638G/Alikely benign
rs127153227415:75,042,722G/Auncertain significance
rs76543568215:75,042,767G/Cuncertain significance
rs250555580015:75,042,857T/Cuncertain significance
rs4546809615:75,043,539C/Tlikely benign
rs77187660315:75,043,567A/Guncertain significance
rs75097519215:75,043,594G/Tuncertain significance
rs99567331715:75,044,146G/Auncertain 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/Auncertain significance
rs7254751615:75,044,578A/Tmissense variant
rs5588906615:75,045,575G/Amissense variant
rs5610763815:75,045,612G/Asplice region variant
rs14555763115:75,047,161G/Tuncertain significance
rs2839942415:75,047,169C/Tmissense variant
rs7254751715:75,047,245G/Amissense variant
rs128927130915:75,047,278A/Guncertain significance
rs75114343815:75,047,280A/Cuncertain significance
rs57166382215:75,047,337G/Abenign
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.

CYP1A2 — cytochrome P450 family 1 subfamily A member 2