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THE AMINO ACIDS

1.  Smallest amino acid (R=H)

                              Glycine        Gly

2.  Hydrophobic amino acids:

     Aliphatic
                              Alanine        Ala
                              Valine         Val
                              Isoleucine     Ile
                              Leucine        Leu
                              Proline        Pro            
                              Methionine     Met

     Aromatic
                              Phenylalanine  Phe

3.  Charged amino acids:

     Acidic (R = COO )
                              Aspartic acid  Asp
                              Glutamic acid  Glu

     Basic (R = NH3+)
                              Lysine         Lys
                              Arginine       Arg

4.  Polar amino acids:
                              Serine         Ser
                              Threonine      Thr
                              Cysteine       Cys
                              Asparagine     Asn
                              Glutamine      Gln
     Aromatic
                              Tyrosine       Tyr
                              Histidine      His   

			      Tryptophan     Trp