Fig. 2 Amino Acids Act as Zwitterions When in Solution
Fig. 3 Isomeric forms of Amino Acids
Fig. 4 Titration of Amino Acid with Base
Table 1 Click on the name of the Amino Acid to see an interactive 3-D view of each amino acid. (Note: to view this interactively on your Web browser, the free Chemscape Chime plug-in viewer must be installed in your browser's plug-in folder.)
| Name | Abbr. | Abbr. | Structure |
| Non-polar | . | . | . |
| Glycine | Gly | G | |
| Alanine | Ala | A | |
| Valine | Val | V | |
| Leucine | Leu | L | |
| Isoleucine | Ile | I | |
| Proline | Pro | P | |
| Cysteine | Cys | C | |
| Methionine | Met | M | |
| Phenylalanine | Phe | F | |
| Tryptophan | Trp | W | |
| Polar | . | . | . |
| Serine | Ser | S | |
| Threonine | Thr | T | |
| Tyrosine | Tyr | Y | |
| Asparagine | A | N | |
| Glutamine | Gln | Q | |
| Basic | . | . | . |
| Lysine | Lys | K | |
| Arginine | Arg | R | |
| Histidine | His | H | |
| Acidic | . | . | . |
| Aspartic Acid | Asp | D | |
| Glutamic Acid | Glu | E |