label: erythrose 4-phosphate/phosphoenolpyruvate family amino acid
label_lc: erythrose 4-phosphate/phosphoenolpyruvate family amino acid
description: "An L-alpha-amino acid which is biosynthesised from erythrose 4-phosphate and phosphoenolpyruvate (i.e. phenylalanine, tyrosine, and tryptophan). A closed class."