Main Reaction: Pyruvate +alpha-ketobutyrate>>isoleucine

Reference: PubMed ID: 5077855
Authors: Rao GS, Ramasarma T
Title: ATP in the regulation of cholesterol biosynthesis- a supra-energetic role.
Published: 1972 Oct 6

Pyruvate + alpha-ketobutyrate --> isoleucine