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Cysteine vs Cystathionine - What's the difference?

cysteine | cystathionine |

As nouns the difference between cysteine and cystathionine

is that cysteine is a sulphur-containing nonessential amino acid C3H7NO2S found in most animal proteins; it readily oxidizes to cystine while cystathionine is an intermediate, 2-amino-4-(2-amino-2-carboxy-ethyl) thio-butanoic acid, in the biosynthesis of cysteine.

cysteine

English

(wikipedia cysteine)

Noun

  • (amino acid) 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

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

    cystathionine

    English

    Noun

    (wikipedia cystathionine) (-)
  • (biochemistry) An intermediate, 2-amino-4-(2-amino-2-carboxy-ethyl) thio-butanoic acid , in the biosynthesis of cysteine