(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 <=> (19R,20S)-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
(4z,7z,10z,13z,16z,19z)-docosahexaenoate + reduced [nadph--hemoprotein reductase] + o2 <=> (19r,20s)-epoxy-(4z,7z,10z,13z,16z)-docosapentaenoate + oxidized [nadph--hemoprotein reductase] + h2o + h(+)
(4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + reduced [NADPH--hemoprotein reductase] + O2 <=> (19R,20S)-epoxy-(4Z,7Z,10Z,13Z,16Z)-docosapentaenoate + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
(4z,7z,10z,13z,16z,19z)-docosahexaenoate + reduced [nadph--hemoprotein reductase] + o2 <=> (19r,20s)-epoxy-(4z,7z,10z,13z,16z)-docosapentaenoate + oxidized [nadph--hemoprotein reductase] + h2o + h(+)