phenylalanine. phe c9h11no2. α-amino acid. structural chemical formula and molecule 3d model. atoms with color coding.

abstract acid alpha amino analgesic antidepressant atom atomic biochemistry biology biosynthesis bond chain chart chemical chemistry chno compound design essential flat formula group health human icon illustration indispensable line mammal medicine milk model molecular molecule neurotransmitter nutritional pharmacy phe phenylalanine poster protein proteinogenic science skeletal structure supplement synthesis vector