Main Reaction: L-aminoadipic acid + L-Cys + L-Val >> δ-(L-α-aminoadipyl)-L-cysteinyl-D-valine

Reference: PubMed ID: 2166024
Authors: Ferrero MA, Reglero A, Martín-Villacorta J, Fernández-Cañón JM, Luengo JM
Title: Biosynthesis of benzylpenicillin (G), phenoxymethylpenicillin (V) and octanoylpenicillin (K) from glutathione S-derivatives.
Published: 1990 Jun

L-aminoadipic acid + L-Cys + L-Val --> δ-(L-α-aminoadipyl)-L-cysteinyl-D-valine