CC119
Human Caspase 3, recombinant human active
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About This Item
Código UNSPSC:
12352204
eCl@ss:
32160405
NACRES:
NA.41
Productos recomendados
origen biológico
human
recombinante
expressed in E. coli
Formulario
solid
fabricante / nombre comercial
Chemicon®
técnicas
activity assay: suitable
Nº de acceso NCBI
Nº de acceso UniProt
Condiciones de envío
dry ice
Información sobre el gen
human ... CASP3(836)
Descripción general
Specificity: Caspase-3 (also known as CPP32, Yama and apopain) is a member of the interleukin-1beta converting enzyme (ICE) family of cysteine proteases. Caspase-3 exists in cells as an inactive 32 kDa proenzyme. During apoptosis procaspase-3 is processed at aspartate residues by self-proteolysis and/or cleavage by upstream caspases, such as caspase-6 (Mch2), caspase-8 (FLICE) granzyme B. The processed form of caspase-3 consists of large (17 kDa) and small (12 kDa) subunits which associate to form the active enzyme. The active caspase-3 has been shown involving in the proteolysis of several important molecules, such as poly (ADP-ribose) polymerase (PARP), the sterol regulatory element binding proteins (SREBPs), focal adhesion kinase (FAK), and others.
The partially purified* active recombinant human caspase-3 protein with full-length His-6 tag was expressed in E. coli. The expressed Caspase-3 spontaneously undergoes autoprocessing to yield the subunits characteristic of the native enzyme. The recombinant caspase-3 preferentially cleaves caspase-3 substrates (e.g., DEVD-AFC or DEVD-pNA). In combination with caspase-3 activity assays, the active recombinant caspase-3 is very useful in the biological screening of caspase inhibitors. The recombinant enzyme can also be used as a positive control in caspase assays or in determining the specificity of caspase substrates.
*10-25% caspase-3 protein by gel analysis, also contains E. Coli proteins. Approximately, 0.8-2 μg total protein / unit of activity. GenBank # U13737.
The partially purified* active recombinant human caspase-3 protein with full-length His-6 tag was expressed in E. coli. The expressed Caspase-3 spontaneously undergoes autoprocessing to yield the subunits characteristic of the native enzyme. The recombinant caspase-3 preferentially cleaves caspase-3 substrates (e.g., DEVD-AFC or DEVD-pNA). In combination with caspase-3 activity assays, the active recombinant caspase-3 is very useful in the biological screening of caspase inhibitors. The recombinant enzyme can also be used as a positive control in caspase assays or in determining the specificity of caspase substrates.
*10-25% caspase-3 protein by gel analysis, also contains E. Coli proteins. Approximately, 0.8-2 μg total protein / unit of activity. GenBank # U13737.
Aplicación
Western blot: 1-5 μL of stock per lane. Protein is full length caspase 3 with His-Tag. It is autoactivated thus active caspase subunits will be seen
and 17kDa + 12kDa (large and small subunits) can be seen depending upon the antibody. Small subunit is extremely difficult to detect in most westerns. The size of inactive enzime is ~32 kDa.
Activation: Not needed. When expressed in E. coli, caspase-3 spontaneously undergoes autoprocessing to yield the subunits characteristic of the active enzyme.
and 17kDa + 12kDa (large and small subunits) can be seen depending upon the antibody. Small subunit is extremely difficult to detect in most westerns. The size of inactive enzime is ~32 kDa.
Activation: Not needed. When expressed in E. coli, caspase-3 spontaneously undergoes autoprocessing to yield the subunits characteristic of the active enzyme.
Definición de unidad
Specific Activity: One unit of the recombinant caspase-3 is the enzyme activity that cleaves 1 nmol of the caspase substrate DEVD-pNA (pNA: pnitroanaline) per hour at 37°C at saturated substrate concentrations.
Forma física
Lyophilized. Reconstitute to 1 unit/μL with PBS containing 15% glycerol.
Partially purified recombinant caspase 3 with a full length HIS-6-tag. Approximately 10-20% caspase 3 protein. The remainder is E.Coli proteins. Approximately 0.8-2 mg total protein/U of activity; E.Coli proteins have no reactivity.
Partially purified recombinant caspase 3 with a full length HIS-6-tag. Approximately 10-20% caspase 3 protein. The remainder is E.Coli proteins. Approximately 0.8-2 mg total protein/U of activity; E.Coli proteins have no reactivity.
Almacenamiento y estabilidad
Maintain unopened and rehydrated product at -70°C in undiluted, freeze-thaw protected, tightly sealed aliquots. Avoid repeated freeze/thaw cycles. Product stable for 6 months from date of purchased if handled appropriately.
Nota de análisis
Partially purified recombinant caspase 3 with a full length HIS-6-tag. Approximately 10-20% caspase 3 protein. The remainder is E.Coli proteins. Approximately 0.8-2 mg total protein/U of activity; E.Coli proteins have no reactivity.
Información legal
CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany
Cláusula de descargo de responsabilidad
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Código de clase de almacenamiento
11 - Combustible Solids
Clase de riesgo para el agua (WGK)
WGK 1
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Certificados de análisis (COA)
Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»
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