Main Reaction: Tyrosine >> p-Coumaric acid

Reference: PubMed ID: 15587076
Authors: Barrière Y, Ralph J, Méchin V, Guillaumie S, Grabber JH, Argillier O, Chabbert B, Lapierre C
Title: Genetic and molecular basis of grass cell wall biosynthesis and degradability. II. Lessons from brown-midrib mutants.
Published: 2004 Sep-Oct

Tyrosine --> p-Coumaric acid