Properties of Amino acids z Aliphatic chains: Gly, Ala, Val, Leu, and Ile – Pro? z Hydroxyl or sulfur side chains: Ser, Thr, Cys, Met z Aromatic: Phe, Trp, Tyr z Basic: His, Lys, Arg z Acidic and their amides: Asp, Asn, Glu, Gln hydrophobicityProperties of Amino acids z Aliphatic chains: Gly, Ala, Val, Leu, and Ile – Pro? z Hydroxyl or sulfur side chains: Ser, Thr, Cys, Met z Aromatic: Phe, Trp, Tyr z Basic: His, Lys, Arg z Acidic and their amides: Asp, Asn, Glu, Gln hydrophobicity