serine endopeptidase

serine endopeptidase
ser·ine en·do·pep·ti·dase (sērґēn en″do-pepґtĭ-dās) [EC 3.4.21] any member of the group of endopeptidases containing at the active site a triad of serine, aspartate, and histidine residues involved in catalysis. Included are enzymes active in digestion, blood coagulation, immune reactions, and fertilization of the oocyte. Called also serine protease or proteinase.

Medical dictionary. 2011.

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