单词 | cystine |
释义 | Word Frequency cystine(ˈsɪstiːn, -tɪn) noun a sulphur-containing amino acid present in proteins: yields two molecules of cysteine on reduction. Formula: HOOCCH(NH2)CH2SSCH2CH(NH2)COOH Word origin C19: see cysto- (bladder), -ine2; named from its being discovered in a type of urinary calculus |
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