obsolete 17-alpha-hydroxyprogesterone aldolase activity (obsolete GO:0047442)
OBSOLETE. Catalysis of the reaction: 17alpha-hydroxyprogesterone + O2 + reduced NADPH--hemoprotein reductase = acetate + androst-4-ene-3,17-dione + 2 H+ + H2O + oxidized NADPH--hemoprotein reductase.