There are 20 amino acids that make up proteins and all have the same basic structure ... they actually mostly exist as the left-hand structure. This table shows the abbreviations and single letter ...

Amino acids are small molecules that are the building blocks of proteins. Proteins serve as structural support inside the cell and they perform many vital chemical reactions. Each protein is a ...

Degeneracy of the Amino Acid Code Examination of the full table of codons enables one to immediately determine whether the "extra" codons are associated with redundancy or dead-end codes (Figure 3).