CASPASES
  FAMILY OF EXECUTORS OF APOPTOTIC DEATH
  CYSTEINE PROTEASES THAT CLEAVE AFTER ASP
  CONSTITUTIVELY PRESENT AS INACTIVE FORMS
  ACTIVATED BY CLEAVAGE OR BY INTERACTION WITH
      COFACTORS SUCH AS APAF1 AND CYTOCHROME C
  WHEN ACTIVATED, CLEAVE CELLULAR SUBSTRATES,
      LEADING TO APOPTOTIC DEATH