Phosphate + Propionyl-CoA → Coenzyme A + propanoyl phosphate
Adenosine diphosphate + propanoyl phosphate → Adenosine triphosphate + Propionic acid
Propionyl-CoA + Succinic acid → Propionic acid + Succinyl-CoA
Hydrogen Ion + Methylmalonyl-CoA → Carbon dioxide + Propionyl-CoA
Methylisocitric acid → Pyruvic acid + Succinic acid
2-iminobutanoate + Hydrogen Ion + Water → 2-Ketobutyric acid + Ammonium
cis-2-Methylaconitate → Methylisocitric acid + Water
2-Methylcitric acid → Water + cis-2-Methylaconitate
2-Ketobutyric acid + Coenzyme A → Formic acid + Propionyl-CoA
(2Z)-2-aminobut-2-enoate → 2-iminobutanoate
Adenosine triphosphate + Coenzyme A + Propionic acid → Adenosine monophosphate + Propionyl-CoA + Pyrophosphate
Oxalacetic acid + Propionyl-CoA + Water → 2-Methylcitric acid + Coenzyme A + Hydrogen Ion
Propionic acid (→) Transport: Escherichia coli ED1a, Periplasmic Space to Escherichia coli ED1a, Cytosol
bifunctional aconitate hydratase 2 and 2-methylisocitrate dehydratase
phosphate acetyltransferase / phosphate propionyltransferase
pyruvate formate-lyase / 2-ketobutyrate formate-lyase
L-Threonine (→), Hydrogen Ion (→) Transport: Escherichia coli ED1a, Periplasmic Space to Escherichia coli ED1a, Cytosol
L-Threonine → (2Z)-2-aminobut-2-enoate + Hydrogen Ion + Water