cystine

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cys·tine

 (sĭs′tēn′)
n.
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.]

cystine

(ˈsɪstiːn; -tɪn)
n
(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)

n.
a crystalline amino acid, C6H12O4N2S2, occurring in most proteins, esp. the keratins.
[1835–45; < Greek kýst(is) bladder, cyst + -ine2; so called because found in the bladder]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cystine - a crystalline amino acid found in proteins (especially keratin); discovered in bladder stones
amino acid, aminoalkanoic acid - organic compounds containing an amino group and a carboxylic acid group; "proteins are composed of various proportions of about 20 common amino acids"
Translations
Cystin
cystyna

cys·tine

n. cistina, aminoácido producido durante la digestión de las proteínas, presente a veces en la orina.

cystine

n cistina