Alpha-ketobutyric acid

Alpha-ketobutyric acid is a product of the lysis of cystathionine.

It is also one of the degradation products of threonine.

It can be converted to propionyl-CoA (and subsequently methylmalonyl CoA, which can be converted to succinyl CoA, a CAC intermediate), and thus enter the citric acid cycle.

• Butyric acid

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