| Alanine | A | Ala | 2-Aminopropanoic acid |  |
| Cysteine | C | Cys | 2-Amino-3-mercaptopropanoic acid |  |
| Aspartic Acid | D | Asp | 2-Aminobutanedioic acid |  |
| Glutamic Acid | E | Glu | 2-Aminopentanedioic acid |  |
| Phenylalanine | F | Phe | 2-Amino-3-phenylpropanoic acid |  |
| Glycine | G | Gly | Aminoethanoic acid |  |
| Histidine | H | His | 2-Amino-3-(1H-imidazol-4-yl)-propanoic acid |  |
| Isoleucine | I | Ile | 2-Amino-3-methylpentanoic acid |  |
| Lysine | K | Lys | 2,6-Diaminohexanoic acid |  |
| Leucine | L | Leu | 2-Amino-4-methylpentanoic acid |  |
| Methionine | M | Met | 2-Amino-4-(methylthio)butanoic acid |  |
| Asparagine | N | Asn | 2-Amino-3-carbamoylpropanoic acid |  |
| Proline | P | Pro | Pyrrolidine-2-carboxylic acid |  |
| Glutamine | Q | Gln | 2-Amino-4-carbamoylbutanoic acid |  |
| Arginine | R | Arg | 2-Amino-5-guanidinopentanoic acid |  |
| Serine | S | Ser | 2-Amino-3-hydroxypropanoic acid |  |
| Threonine | T | Thr | 2-Amino-3-hydroxybutanoic acid |  |
| Valine | V | Val | 2-Amino-3-methylbutanoic acid |  |
| Tryptophan | W | Trp | 2-Amino-3-(1H-indol-3-yl)-propanoic acid |  |
| Tyrosine | Y | Tyr | 2-Amino-3-(4-hydroxyphenyl)-propanoic acid |  |
