cystine

English dictionary entry

Meanings

noun

A nonessential amino acid formed by the oxidation of cysteine; it contains two cysteine residues linked by a disulfide bond.

/ˈsɪs.tiːn/

cystine cystines

From Ancient Greek κύστις (kústis, “bladder”), where it was found.

E921 when used as an improving agent

cystine knot cystinosis cystinuria polycystine selenocystine

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