cysteine

See also: Cysteine and cystéine

English

Etymology

An alteration of cystine, see -eine.

Pronunciation

  • (Received Pronunciation) IPA(key): /ˈsɪs.təˌiːn/, /ˈsɪs.tə.ɪn/, /ˈsɪs.tiˌiːn/, /ˈsɪs.ti.ɪn/
  • (General American) IPA(key): /ˈsɪs.təˌin/, /ˈsɪs.tə.ɪn/, /ˈsɪs.tiˌin/, /ˈsɪs.ti.ɪn/, /ˈsɪˌstin/[1][2]
  • Audio (Southern England); /ˈsɪs.ti.iːn/:(file)
  • Rhymes: -ɪstin
  • Hyphenation: cys‧te‧ine

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.

Synonyms

Derived terms

Translations

References

  1. ^ “cysteine”, in The American Heritage Dictionary of the English Language, 5th edition, Boston, Mass.: Houghton Mifflin Harcourt, 2016, →ISBN.
  2. ^ “cysteine”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.
This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.