what is phe
Phenylalanine (US: /ËfÉnÉlËÃ¦lÉniËn/, UK: /ËfiËnaÉªlËÃ¦lÉniËn/; abbreviated as Phe or F) is an Î±-amino acid with the formula C. 9H. 11NO. 2. It can be viewed as a benzyl group substituted for the methyl group of alanine, or a phenyl group in place of a terminal hydrogen of alanine.