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Caspases (cysteine-dependent aspartate specific ptotease) are a family of cysteine proteases that play an essential role in cell apoptosis. Caspases contain a conserved QACXG pentapeptide active site motif and are characterized by specificity for aspartic acid in the P1 position. The synthesis of caspases involves the activation of inactive proenzymes, which contain an N-terminal peptide (prodomain) together with two subunits (one small and one large), following cleavage at specific aspartate cleavage sites. Caspases can be classified into three subfamilies, due to phylogenetic analysis, including an ICE subfamily (caspases-1, -4 and -5), a CED-3/CPP32 subfamily (caspases-3, -6, -7, -8, -9 and -10) and an ICH-1/Nedd2 subfamily (caspase-2).

  1. Cat.No. Product Name Information
  2. A1904 Boc-D-FMK Boc-D-FMK is a cell-permeable broad-spectrum caspase inhibitor that fully inhibits the pro-apoptotic effect of tumor necrosis factor-α (TNFα) with the half maximal inhibition concentration IC50 value of 39 μM .
  3. A4419 Ac-LEHD-AFC Fluorogenic caspase substrate. Analog of the caspase-9 substrate, LEHD-AFC.
  4. A1924 Z-WEHD-FMK A synthetic peptide that irreversibly inhibits caspase-5 and related caspase activity.
  5. A4418 Ac-IEPD-AFC Peptide sequence shown to be preferred recognition motif for the serine protease granzyme B.
  6. A3424 Gambogic Acid Gambogic acid (GA) is an inducer of apoptosis with EC50 value of 0.78-1.64 μM for caspases and with IC50 values of 1.47, 1.21, 2.02, 0.66, 1.06 and 0.79 μM for Bcl-XL, Bcl-2, Bcl-W, Bcl-B, Bfl-1 and Mcl-1, respectively .

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