YGR175C ERG1 SGDID:S000003407, Chr VII from 848423-846933, Genome Release 64-1-1, reverse complement, Verified ORF, "Squalene epoxidase, catalyzes the epoxidation of squalene to 2,3-oxidosqualene; plays an essential role in the ergosterol-biosynthesis pathway and is the specific target of the antifungal drug terbinafine"