| Name | Abbreviation | Single-Letter | Mol Wt |
| Alanine | Ala | A | 89.09 |
| Arginine | Arg | R | 174.20 |
| Asparagine | Asn | N | 132.12 |
| Aspartic acid | Asp | D | 133.10 |
| Cysteine | Cys | C | 121.15 |
| Glutamine | Gln | Q | 146.15 |
| Glutamic acid | Glu | E | 147.13 |
| Glycine | Gly | G | 75.07 |
| Histidine | His | H | 155.16 |
| Isoleucine | Ile | I | 131.17 |
| Leucine | Leu | L | 131.17 |
| Lysine | Lys | K | 146.19 |
| Methionine | Met | M | 149.21 |
| Phenylalanine | Phe | F | 165.19 |
| Proline | Pro | P | 115.13 |
| Serine | Ser | S | 105.09 |
| Threonine | Thr | T | 119.12 |
| Tryptophan | Trp | W | 204.23 |
| Tyrosine | Tyr | Y | 181.19 |
| Valine | Val | V | 117.15 |
| Unknown | Xaa | X | 0.0 |
| Gap | Gap | - | 0.0 |
| Stop | End | * | 0.0 |