Proline definition

prōlēn
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An amino acid, C5 H9 NO2 , that is found in most proteins and is a major constituent of collagen.
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A nonessential amino acid, C4H8NCOOH, formed by the decomposition of proteins.
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An amino acid, C5 H9 NO2 , that is found in most proteins and is a major constituent of collagen.
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A nonessential amino acid. Chemical formula: C5H9NO2.
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(biochemistry) A nonessential amino acid C5H9NO2 found in most animal proteins, especially collagen; its cyclic structure leads to kinks in the peptide chain of proteins.
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Other Word Forms

Noun

Singular:
proline
Plural:
prolines

Origin of proline

  • Short for pyrrolidine one of its constituents pyrrol(e) –id(e) –ine

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Wiktionary