Zystin
PubChem Notes:
Cystine A covalently linked dimeric nonessential amino acid formed by the oxidation of CYSTEINE. Two molecules of cysteine are joined together by a disulfide bridge to form cystine.
Cystine - definition from Biology-Online.org
[(Science: amino acid) The amino acid formed by linking two cysteine residues with a disulphide linkage between the two sh groups. The analagous compound present within proteins is termed two half cysteines.
MediLexicon cystine - Medical Dictionary Definition for Term 'cystine'
[1. the disulfide product of two cysteines in which two —SH groups become one —S—S— group; if two cysteinyl residues in polypeptide chains form a disulfide linkage, then the two polymers are cross-linked; sometimes occurs as a deposit in the urine, or forming a vesical calculus.
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