Calpain, a cystolic calcium-dependant cysteine protease, is invovled in many foms of apoptosis. The Calpain Activity Assay Kit provides a simple and convenient means for analyzing the activated calpain activity in apoptotic and other samples The assays is based on fluorometric detection of the cleavage of calpain substrate Ac-LLY-AFC. Ac-LLY-AFCemits blue light (lmax=400nm); upon cleavage of the substrate by calpain or related proteases, free AFC emits a yellow-green fluorescence (lmax=505nm), which can be quantified using fluorometer or a fluorescence plate reader. Comparison of the fluorescence of AFC from a treated sample with a normal control allows determination of the fold increase in calpain activity. The proprietary Calpain Extraction Buffer provided in the kit specifically extracts activated calpain from cytosol, but not other proteasesin lysosomes. The kit also provides active calpain as the positive control and calpain inhibitor as the negative control. Active calpain, calpain inhibitor,and anti-calpain antibody are also available separately.


(K240-100) Published References:
1) Babbin BA et al (2009) Am. J. Pathol.; 174: 436 - 448.
2) De la Fuente MA et al. (2007) PNAS 104: 926 – 931.
3) Glading, A., et al. (2004) Mol. Cell. Biol. 24: 2499-2512.
4) Lee, F. Y., et al. (2005) J. Biol. Chem. 280: 29929-29936.
5) Lee W-K et al. (2006) Am. J. Physiol. Renal Physiol. 291: F823-F832. (More...)

Assay Kit Cat. # Size Price (USD) Data Sheet Add to Cart
Calpain Activity Assay Kit K240-100 100 assays $355.00 Product Data Sheet

Active Enzyme Cat. # Size Price (USD) Data Sheet Add to Cart
Active Human Calpian I 1134-100 10 ug $235.00 Product Data Sheet

Inhibitor Cat. # Size Price (USD) Data Sheet Add to Cart
Calpain Inhibitor, Z-Leu-Leu-Tyr-FMK (10mM) 1125-20C 20 ul $115.00 Product Data Sheet

Calpain Antibodies Cat. # Size Price (USD) Data Sheet Add to Cart
Calpain 1 Polyclonal Antibody (WB) (hu) 3189-100 100 ug $225.00 Product Data Sheet
Calpain 2 Polyclonal Antibody (WB) (hum/ms/rt) 3372-100 100 ul $225.00 Product Data Sheet
Calpain 3 Polyclonal Antibody (WB) (hu) 3373-100 100 ul $225.00 Product Data Sheet
Calpain 5 Polyclonal Antibody (WB) (hu/ms/rt) 3375-100 100 ul $225.00 Product Data Sheet
Calpain 6 Polyclonal Antibody (WB) (hu/ms/rt) 3376-100 100 ul $225.00 Product Data Sheet
Calpain 7 Polyclonal Antibody (WB) (hu/ms/rt) 3377-100 100 ul $225.00 Product Data Sheet



Additional Products Cat. # Size Price (USD) Data Sheet Add to Cart
Calpain Inhibitor, Z-Leu-Leu-Tyr-FMK (10mM) 1125-20C 20 ul $115.00 Product Data Sheet
Cathepsin B & L Inhibitor, Z-Phe-Phe-FMK (10mM) 1126-20C 20 ul $155.00 Product Data Sheet
Granzyme B Inhibitor, Z-Ala-Ala-Asp-CMK (10mM) 1128-20C 20 ul $125.00 Product Data Sheet
EMAP II Inhibitor, Z-ASTD-FMK 1127-20C 20 ul $195.00 Product Data Sheet
Biotinylated Caspase-Family Inhibitor, Biotin-VAD-FMK 1123-20C 20 ul $255.00 Product Data Sheet
Biotinylated Caspase-3 Inhibitor, Biotin-DEVD-FMK 1124-20C 20 ul $295.00 Product Data Sheet
Biotinylated Caspase-8 Inhibitor, Biotin-DEVD-FMK 1121-20C 20 ul $295.00 Product Data Sheet


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