AROMATIC AMINO ACIDS BASIC AMINO ACIDS C=l CH NH CO0 H H H H Phenylalanine( Phe)F Tyrosine(Tyr)Y Tryptophan(Trp)w Histidine(His)H Lysine(Lys)K Arginine (Arg)R ACIDIC AMINO ACIDS AND THE IR AMIDES O N HN--C00H3N=-C00 H COo H Aspartic acid (Asp)D Glutamic acid (Glu)E Asparagine(Asn)N Glutamine(GIn)o