cysteine

See also: Cysteine and cystéine

English

Etymology

An alteration of cystine.

Noun

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

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

E910 when used as a food additive
E920 when used as an improving agent
Cys when viewed as a monomer in proteins

Translations

nonessential amino acid

Catalan: cisteïna f
Chinese:
Mandarin: 半胱氨酸 (zh) (bànguāng'ānsuān)
Czech: cystein m
Danish: cystein
Esperanto: cisteino
Finnish: kysteiini
French: cystéine (fr) f
Galician: cisteína f
German: Cystein (de) n
Greek: κυστεΐνη (el) f (kysteḯni)

Hungarian: cisztein
Italian: cisteina (it)
Japanese: システイン (shisutein)
Persian: سیستئین‎ (siste'in)
Polish: cysteina f
Portuguese: cisteína
Romanian: cisteină f
Russian: цистеи́н (ru) m (cisteín)
Spanish: cisteína f
Swedish: cystein (sv)

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