| Essential? | Amino Acid | Polarity |
| Non-Essential -- D | |
| Non-Essential -- E | |
| Non-Essential -- R | |
| Essential -- K | |
| Essential -- H | |
| Non-Essential -- N | |
| Non-Essential -- Q | |
| Non-Essential -- S | |
| Essential -- T | |
| Non-Essential -- Y | |
| | Essential? | Amino Acid | Polarity |
| Non-Essential -- A | |
| Non-Essential -- G | |
| Essential -- V | |
| Essential -- L | |
| Essential -- I | |
| Non-Essential -- P | |
| Non-Essential -- F | |
| Essential -- M | |
| Essential -- W | |
| Non-Essential -- C | |
|