Meaning of exopeptidase

ex•o•pep•ti•dase

Pronunciation: (ek"sō-pep'ti-dās", -dāz"), [key]
— n. Biochem.
  1. any enzyme that catalyzes the removal of an amino acid from the end of a polypeptide chain. Cf. endopeptidase.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.