| R Group | Amino Acid Name |
| 4 Methyls | |
| Methyl - Carbonyl - Amine | |
| Methyl - Benzene Ring | |
| Methyl - Ring with 2 Nitrogen | |
| Ring of 3 Methyls | |
| 3 Methyls | |
| Methyl - 2 Rings with a Nitrogen | |
| 2 Methyl - Carbonyl - Amine | |
| Methyl Group | |
| Incomplete Ring of 4 Methyls | |
| | R Group | Amino Acid Name |
| 2 Methyl - Sulfer - Methyl | |
| Methyl - Carboxylic | |
| Methyl - Sulfhydryl | |
| Hydrogen | |
| 2 Methyl - Carboxylic | |
| 4 Methyl - Ammonium | |
| 3 Methyl - Amine - Methyl - 2 Amine | |
| Methyl - Hydroxyl | |
| 2 Methyl - Hydroxyl | |
| Methyl - Benzyl - Hydroxyl | |
|