Alanine
Cysteine
Aspartate (Aspartic Acid)
Glutamate (Glutamic Acid)
Phenylalanine
Glycine
Histidine
Isoleucine
Lysine
Leucine
Methionine
Asparagine
Proline
Glutamine
Arginine
Serine
Threonine
Valine
Tryptophan
Tyrosine