Reaction catalyzed by prostaglandin-endoperoxide synthase (1.14.99.1)
+
reduced N,N,N\',N\'-tetramethylphenylenediamine
+
2
=
+
+
H2O
arachidonate
+
reduced N,N,N',N'-tetramethylphenylenediamine
+
2 O2
=
prostaglandin H2
+
oxidized N,N,N',N'-tetramethylphenylenediamine
+
H2O
