L-alanine
Glycine
Serine
L-aspartic acid
L-valine
L-threonine
L-glutamic acid
L-glutamine
L-histidine
L-Lysine
L-arginine
L-phenylalanine
L-tyrosine
L-tryptophan
L-cysteine
L-methionine
L-proline
L-leucine
Isoleucine
L-asparagine