ALEXIS Biochemicals: Caspase-3 (active) (human) (recombinant)

ALX-201-059

Revised 21-Jul-08

Caspase-3 (active) (human) (recombinant)
PRODUCT LINE	Cell Death / Apoptosis / Autophagy
PRODUCT CATEGORY	Caspases

Ordering Information

Product Numbers:	Format:	Size:	Unit Price:	Quantity:	Add To Cart
ALX-201-059-U025		25 U	119.00 USD
ALX-201-059-U100		100 U	273.00 USD

Product Specification

EC:	3.4.22.56
SOURCE/HOST:	Produced in E. coli.
FORMULATION:	Lyophilized.
RECONSTITUTION:	Reconstitute to 1U/µl with PBS containing 15% glycerol.
SPECIFIC ACTIVITY:	300’000-400’000U/mg protein. One unit is defined as the amount of enzyme that cleaves 1nmol of the caspase substrate DEVD-pNA (Prod. No. ALX-260-033) per hour at 37°C in a reaction solution containing 50mM HEPES, pH 7.2, 50mM NaCl, 0.1% CHAPS, 10mM EDTA, 5% glycerol and 10mM DTT.
APPLICATION:	Useful in studying enzyme regulation, determining target substrate, screening caspase inhibitors, or as a positive control in caspase assays. We recommend using 1 unit per assay for analyzing caspase activity. For a complete caspase-3 assay protocol, please refer to Caspase-3 Fluorometric or Colorimetric Assay Kits (Prod. No. ALX-850-216 or ALX-850-215).
QUALITY CONTROL:	Routinely tested for its ability to cleave the caspase-3 substrates Ac-DEVD-pNA (Prod. No. ALX-260-033) and Ac-DEVD-AFC (Prod. No. ALX-260-032).
SHIPPING:	SHIPPED ON DRY ICE
LONG TERM STORAGE:	-80°C
HANDLING:	Avoid freeze/thaw cycles. After reconstitution, prepare aliquots and store at -80°C.

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General Information

Caspase-3 is a member of the interleukin-1β converting enzyme (ICE) family of cysteine proteases. It exists in cells as an inactive 32kDa proenzyme. During apoptosis procaspase-3 is processed at aspartate residues by self-proteolysis and/or cleavage by upstream caspases, such as caspase-6, caspase-8 and granzyme B. The processed form of caspase-3 consists of large (17kDa) and small (11kDa) subunits which associate to form the active enzyme. Active caspase-3 has been shown involved 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.

BACKGROUND/TECHNICAL INFORMATION

Swiss Prot link: Caspase-3 (human) (precursor)
AfCS Signalling Gateway link: Caspase-3 (mouse)

Further Categories Containing This Product:

Enzymes • Recombinant Proteins / Fusion Proteins

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