Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.1 Acting on the CH-OH group of donors
1.1.1 With NAD+ or NADP+ as acceptor
1.1.1.231
R03520 Prostaglandin I2 + NADP+ <=> (5Z,13E)-6,9alpha-Epoxy-11alpha-hydroxy-15-oxoprosta-5,13-dienoate + NADPH + H+