L-alpha-amino acid D-phenylalanine L-phenylalanine (2S)-2-amino-3-phenylpropanoic acid The <small>L</small>-enantiomer of phenylalanine. beta-phenyl-L-alanine PHENYLALANINE L-Phenylalanine L-phenylalanine F 3-phenyl-L-alanine (S)-alpha-Amino-beta-phenylpropionic acid Phe (2S)-2-amino-3-phenylpropanoic acid L-phenylalanine L-Phenylalanine (S)-2-Amino-3-phenylpropionic acid micronutrient phenylalanine L-phenylalaninate L-phenylalaninium nutraceutical L-phenylalanine zwitterion EC 3.1.3.1 (alkaline phosphatase) inhibitor erythrose 4-phosphate/phosphoenolpyruvate family amino acid mouse metabolite Saccharomyces cerevisiae metabolite plant metabolite human xenobiotic metabolite Escherichia coli metabolite proteinogenic amino acid algal metabolite