AROMATIC AMINO ACIDS BASIC AMINO ACIDS OH CH C --000小--00付小-c00=0-c00已--0小-=c00 H Phenylalanine(Phe)F Tyrosine(Tyr)Y Tryptophan(Trp)w Histidine(His)H ysine (Lys)K Arginine(Arg) ACIDIC AMINO ACIDS AND THE IR AMIDES CH H2 HN一C一C00 COo H Co0 Aspartic acid(Asp)D Glutamic acid(Glu)E Asparagine(Asn)N Glutamine(GIn)Q