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cysteine

From Wiktionary, the free dictionary

See also:Cysteineandcystéine

English

EnglishWikipedia has an article on:

cysteine

Etymology

An alteration ofcystine, see-eine.

Pronunciation

IPA^(key): /ˈsɪs.tɪ.iːn/

Audio(Southern England): (file)

Noun

cysteine (countable anduncountable,pluralcysteines)

Skeletal formula of L-cysteine.

Skeletal formula of D-cysteine.

(biochemistry) Asulphur-containing nonessential amino acid C₃H₇NO₂S found in mostanimalproteins; it readilyoxidizes tocystine.

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 afood additive
E920 when used as animproving agent
Cys when viewed as a monomer in proteins

Derived terms

Related terms

homocysteine

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 (hu)
Italian:cisteina (it)
Japanese:システイン(shisutein)
Kazakh:цистеин(sistein)
Kyrgyz:цистеин(tsistein)
Persian:سیستئین(siste'in)
Polish:cysteina f
Portuguese:cisteína
Romanian:cisteină f
Russian:цистеи́н (ru) m(cisteín)
Spanish:cisteína (es) f
Swedish:cystein (sv)

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