cysteine
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English[edit]
Etymology[edit]
An alteration of cystine.
Pronunciation[edit]
Noun[edit]
cysteine (countable and uncountable, plural cysteines)
- (biochemistry) A sulphur-containing nonessential amino acid C3H7NO2S found in most animal proteins; it readily oxidizes to cystine.
Usage notes[edit]
When used as the name of a substance, this noun is uncountable, but when used as the name of individual molecules, it is countable.
Synonyms[edit]
- E910 when used as a food additive
- E920 when used as an improving agent
- Cys when viewed as a monomer in proteins
Related terms[edit]
Translations[edit]
nonessential amino acid
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