<prompt> the mitochondrial enzyme involved in the metabolism of clopidorgel and proton pump inhibitors isCYP 2ACYP 2BCYP 2C19CYP 2C20  <response>: clopidogrel and proton pump inhibitors are metabolized mainly by CYP2C19 and CYP3A4.Due to this reaason there is potential of interaction between two drugs. Ref-katzung 13e p80 