The amino acid represented by the single-letter code "F" is Phenylalanine.
Phenylalanine is an essential amino acid, meaning that humans cannot synthesize it and must obtain it from their diet. It is a nonpolar, aromatic amino acid, characterized by the presence of a phenyl group (a benzene ring) in its side chain.
Here's a summary:
| Amino Acid | Abbreviation | Single-Letter Code |
|---|---|---|
| Phenylalanine | Phe | F |
