phenylalanine

n. essential amino acid that exists in a crystalline form

Phe redirects here. For the BitTorrent feature, see PHE. For the constellation, see Phoenix (constellation). Phenylalanine (abbreviated as Phe or F) is an α-amino acid with the formula HO2CCH(NH2)CH2C6H5. This essential amino acid is classified as nonpolar because of the hydrophobic nature of the benzyl side chain. The codons for L-phenylalanine are UUU and UUC. It is a white, powdery solid. L-Phenylalanine (LPA) is an electrically-neutral amino acid, one of the twenty common amino acids used to biochemically form proteins, coded for by DNA.
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Phenylalanine /phen·yl·al·a·nine/ an aromatic essential amino acid necessary for optimal growth in infants and for nitrogen equilibrium in human [more]Phenylalanine - Community and Resources

Noun
1. an essential amino acid found in proteins and needed for growth of children and for protein metabolism in children and adults; abundant in milk and eggs; it is normally converted to tyrosine in the human body
(hypernym) essential amino acid

n. phenylalanine, essential amino acid that exists in a crystalline form