Term Name:	prostaglandin-endoperoxide synthase activity
Synonyms:	(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate,hydrogen-donor:oxygen oxidoreductase activity, (PG)H synthase activity, fatty acid cyclooxygenase activity, PG synthetase activity, prostaglandin endoperoxide synthetase activity, prostaglandin G/H synthase activity, prostaglandin synthase activity, prostaglandin synthetase activity
Definition:	Catalysis of the reaction: (5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + 2 O2 = A + H2O + prostaglandin H2.
Ontology:	GO: Molecular Function [GO:0004666]    QuickGO    AmiGO