Caspase-3 Proform, mouse recombinant protein
Caspase 3 Proform
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Primary Accession | Q8BNT4 |
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Calculated MW | 32.0 kDa |
Gene ID | 12367 |
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Gene Symbol | CASP3 |
Other Names | Caspase-3, Short name=CASP-3, Apopain, Cysteine protease CPP32, Short name=CPP-32, FLICE, Protein Yama, SREBP cleavage activity 1, Short name=SCA-1 |
Gene Source | Mouse |
Source | E. coli |
Assay&Purity | SDS-PAGE; ≥90% |
Assay2&Purity2 | HPLC; |
Recombinant | Yes |
Target/Specificity | Caspase-3 |
Application Notes | Reconstitute to 0.1 µg/ µl in PBS containing 15% glycerol. |
Format | Lyophilized powder |
Storage | -70°C; Lyophilized powder |
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Provided below are standard protocols that you may find useful for product applications.
Background
Caspase-3 (also know as CPP32, Yama and apopain) is a member of the caspase family of cysteine proteases. Caspase-3 exists in cells as an inactive 32 kDa proenzyme. Proteolytic processing of this inactive proenzyme generates the 17 kD and 12 kD subunits which, when assembled as a tetramer (a pair of heterodimers), form the active caspase. Cascades of caspase activation have been shown to be key signal-transducing events in apoptosis. Procaspase-3, like other procaspases with short N-terminal prodomains, is considered to be a downstream or “effector” enzyme. Pro-caspase-3 can be cleaved and activated by caspase-8 and –10 which are themselves activated through interaction with death ligand receptor/adapter protein complexes (e.g., Fas/FADD). Procaspase-3 is also processed by caspase-9, the apical caspase that is activated by binding to the Apaf-1/cytochrome c/ATP “apoptosome”. Thus, activation of procaspase-3 stands at a point of convergence for the two major types of apoptosis signaling pathways-those linked to cell surface death receptors and those linked to mitochondrial release of cytochrome c. The recombinant Procaspase-3 (1183P-5) is produced by expression of a human cDNA in E. coli. The purified protein is highly activatable by treatment with active recombinant caspase-8 (1088-25, -100). We routinely test the activation using 10-30 ng of the procaspase-3 treated with 0.1-0.5 units of the active recombinant caspase-8 in 100 µl of Reaction Buffer (1068-20) for 30 minutes. Activation of procaspase-3 can be monitored using the Caspase-3 Fluorometric and Colorimetric Assay Kits .
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