Tsistin (L) of ÷ 2930901300
Cystine (3,3'-dithio-bis-2-aminopropionic acid, dicysteine) is an aliphatic sulfur-containing amino acid, colorless crystals, soluble in water.
Cystine is a non-coding amino acid, which is a product oxidative dimerization of cysteine, during which two thiol groups of cysteine form a disulfide bond of cystine.
Cystine contains two amino groups and two carboxyl groups and belongs to dibasic diamino acids. In the body, they are mainly contained in proteins.