| Amino acid name | Three letter abbreviation | Single letter abbreviation | quality | pHa value for side chain ionization | Structural formula |
| Alanine | Ala | A | 89.09 | ![]() | |
| Arginine | Arg | R | 174.2 | 12.48 | ![]() |
| Asparagine | Asn | N | 132.1 | ![]() | |
| Aspartic acid | Asp | D | 133.1 | 3.86 | ![]() |
| Cysteine | Cys | C | 121.12 | ![]() | |
| Glutamine | Gln | Q | 146.15 | ![]() | |
| Glutamic acid | Glu | E | 147.13 | 4.25 | ![]() |
| Glycine | Gly | G | 75.07 | ![]() | |
| Histidine | His | H | 155.16 | 6.0 | ![]() |
| Isoleucine | lle | I | 131.17 | ![]() | |
| Leucine | Leu | L | 131.17 | ![]() | |
| Lycine | Lys | K | 146.19 | ![]() | |
| Methionine | Met | M | 149.21 | ![]() | |
| Phenylalanine | Phe | P | 165.19 | ![]() | |
| Proline | Pro | P | 115.13 | ![]() | |
| Serine | Ser | S | 105.06 | ![]() | |
| Threonine | Thr | T | 119.12 | ![]() | |
| Tryptophan | Trp | W | 204.22 | ||
| Tyrosine | Tyr | Y | 181.19 | 10.07 | ![]() |
| Valine | Val | P | 117.15 | ![]() |



















