Definition of proinsulin in English:


Syllabification: pro·in·su·lin
Pronunciation: /prōˈinsələn


  • A substance produced by the pancreas that is converted to insulin.
    More example sentences
    • Following cleavage of the 24 amino acid signal peptide the protein folds into proinsulin.
    • Unlike the single chain precursor of insulin, proinsulin, this new construct retains up to 40 per cent of insulin activity.
    • The processing of proinsulin to insulin within the secretory granules of the Golgi complex is dependent on critical levels of pH as well as ATP.

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Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little