Definition of proinsulin in English:

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proinsulin

Pronunciation: /prəʊˈɪnsjʊlɪn/

noun

[mass noun] Biochemistry
A substance produced by the pancreas which is converted to insulin.
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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