3-Hydroxyhexanoyl-CoA → (2E)-Hexenoyl-CoA
3-oxohexanoyl-CoA + Coenzyme A → Acetyl-CoA + Butyryl-CoA
an oxidized electron-transfer flavoprotein
(2E)-Hexenoyl-CoA → 3-Hydroxyhexanoyl-CoA + Water
3-Hydroxyhexanoyl-CoA + NAD → 3-oxohexanoyl-CoA + Hydrogen Ion + NADH
FadJ component of anaerobic fatty acid oxidation complex
Hexanoyl-CoA + Hydrogen Ion + an oxidized electron-transfer flavoprotein → (2E)-Hexenoyl-CoA + Reduced electron-transfer flavoprotein
Adenosine triphosphate + Caproic acid + Coenzyme A → Adenosine monophosphate + Hexanoyl-CoA