Main Reaction: L-a-aminoadipic acid + L-cysteine + L-valine >> L-α-(δ-aminoadipyl)-L-α-cystenyl-D-α-valine

Reference: PubMed ID: 18600850
Authors: Malmberg LH, Hu WS
Title: Kinetic analysis of cephalosporin biosynthesis in Streptomyces clavuligerus.
Published: 1991 Oct 20

L-a-aminoadipic acid + L-cysteine + L-valine --> L-α-(δ-aminoadipyl)-L-α-cystenyl-D-α-valine