17alpha-hydroxyprogesterone + NADPH + O2 => androst-4-ene-3,17-dione + acetate + NADP(+) + H2O
17alpha-hydroxyprogesterone + nadph + o2 => androst-4-ene-3,17-dione + acetate + nadp(+) + h2o
17alpha-hydroxyprogesterone + NADPH + O2 => androst-4-ene-3,17-dione + acetate + NADP(+) + H2O
17alpha-hydroxyprogesterone + nadph + o2 => androst-4-ene-3,17-dione + acetate + nadp(+) + h2o