Main Reaction: α-Acetohydroxybutyrate >> Isoleucine

Reference: PubMed ID: 12070685
Authors: Kouhen OM, Joset F
Title: Biosynthesis of the branched-chain amino acids in the cyanobacterium Synechocystis PCC6803: existence of compensatory pathways.
Published: 2002 Aug

α-Acetohydroxybutyrate --> Isoleucine