#coagulase  an enzyme that induces coagulation
  supertype:  enzyme  any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions
  subtype:  thrombin  an enzyme that acts on fibrinogen in blood causing it to clot
  subtype:  rennin__chymosin  an enzyme that occurs in gastric juice; causes milk to coagulate

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