Fig. 1 Elementary Amino Acid Structure


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