1.14.14.B9	medicine	missense mutation Y125F in substrate recognition site-1 occurs naturally in low frequency. The variant oxidizes two prostaglandin H2 analogs U-51605 and U-44069, but 4,7,10,13,16-(Z)-docosatetraenoic acid and 4,7,10,13,16-(Z)-docosapentaenoic acid are not oxidized	729095