ID 1.1.1.231 DE 15-hydroxyprostaglandin-I dehydrogenase (NADP(+)). AN PG I2 dehydrogenase. AN prostacyclin dehydrogenase. CA NADP(+) + prostaglandin I2 = 15-dehydro-prostaglandin I2 + H(+) + NADPH. CC -!- Specific for prostaglandin I2. //