cystine(redirected from L-cystine)
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Related to L-cystine: L-Glutamic Acid
A white crystalline amino acid, C6H12N2O4S2, that is formed from the disulfide linkage of two cysteines during the folding of many proteins, especially keratin, and stabilizes the tertiary structure of the protein.
[From its discovery in bladder stones.]
(Biochemistry) a sulphur-containing amino acid present in proteins: yields two molecules of cysteine on reduction. Formula: HOOCCH(NH2)CH2SSCH2CH(NH2)COOH
[C19: see cysto- (bladder), -ine2; named from its being discovered in a type of urinary calculus]
cys•tine(ˈsɪs tin, -tɪn)
a crystalline amino acid, C6H12O4N2S2, occurring in most proteins, esp. the keratins.
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|Noun||1.||cystine - a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones|
n. cistina, aminoácido producido durante la digestión de las proteínas, presente a veces en la orina.