Isoleucine, encoded by the codons att, atc, ata, is an α-amino acid that is used in the biosynthesis of proteins.
Leucine is an α-amino acid that is used in the biosynthesis of proteins.
glutathione is an important antioxidant in plants, animals, fungi, and some bacteria and archaea.
Arginine is an α-amino acid that is used in the biosynthesis of proteins
l-carnitine is a non-protegenic amino acid that is involved in fatty acid oxidation