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Definition 2024


Cysteine

Cysteine

See also: cysteine and cystéine

German

Noun

Cysteine n

  1. plural of Cystein

cysteine

cysteine

See also: Cysteine and cystéine

English

Noun

cysteine (countable and uncountable, plural cysteines)

  1. (biochemistry) A sulphur-containing nonessential amino acid C3H7NO2S found in most animal proteins; it readily oxidizes to cystine.

Usage notes

When used as the name of a substance, this noun is uncountable, but when used as the name of individual molecules, it is countable.

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