Definition of proline in English:

proline

Line breaks: pro|line
Pronunciation: /ˈprəʊliːn
 
/

noun

[mass noun] Biochemistry
  • An amino acid which is a constituent of most proteins, especially collagen.
    • A heterocyclic compound; chemical formula: C5H9NO2
    More example sentences
    • Active oxygen species cause protein damage through direct interaction with specific amino acids (lysine, arginine, proline or threonine).
    • The amount of the amino acids threonine, proline and histidine were also increased in roots of slag-cultivated maize plants.
    • The cationic component of the hemolymph is frequently replaced by potassium and free amino acids such as glutamate, proline, lysine and glycine.

Origin

early 20th century: contraction of the chemical name p(yr)rol(id)ine-2-carboxylic acid.

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