H+ + (1R,6R)-1,4,5,5a,6,9-hexahydrophenazine-1,6-dicarboxylate + oxygen → hydrogen peroxide + (1R,10aS)-1,4,10,10a-tetrahydrophenazine-1-carboxylate + CO2
(6Z,9Z,12Z,15Z)-3-oxo-2-[(2Z,5Z,8Z,11Z)-tetradeca-2,5,8,11-tetraen-1-yl]octadeca-6,9,12,15-tetraenoate + H+ → hentriaconta-3,6,9,12,19,22,25,28-octaene-16-one + CO2
3-[(3Z,6Z,9Z,12Z)-pentadeca-3,6,9,12-tetraen-1-yl]-4-[(2Z,5Z,8Z,11Z)-tetradeca-2,5,8,11-tetraen-1-yl]oxetan-2-one → hentriaconta-3,6,9,12,15,19,22,25,28-nonaene + CO2
malonyl-CoA + (6Z,9Z,12Z,15Z,18Z,21Z)-tetracosahexaenoyl-CoA + H+ → (8Z,11Z,14Z,17Z,20Z,23Z)-3-oxohexacosahexaenoyl-CoA + CO2 + coenzyme A