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Medical Term:


Pronunciation: plas'te-in


  1. Insoluble polypeptide formed through the random condensation of amino acids or peptides under the catalytic influence of a proteinase-like chymotrypsin; molecular weights as high as 500,000 are reported.
  2. A gel that is formed on treating a partial hydrolysate of a protein with an endopeptidase.
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