Definition of proinsulin in English:


Line breaks: pro|insu¦lin
Pronunciation: /prəʊˈɪnsjʊlɪn


[mass noun] Biochemistry
A substance produced by the pancreas which 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 punctum
Pronunciation: ˈpʌŋ(k)təm
a small, distinct point