Main Reaction: homocysteine >> α-Keto-γ-hydroxybutyric acid

Reference: PubMed ID: 5008854
Authors: Kidder GW, Dewey VC
Title: Methionine or folate and phosphoenolpyruvate in the biosynthesis of threonine in Crithidia fasciculata.
Published: 1972 Feb

homocysteine --> α-Keto-γ-hydroxybutyric acid