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Z-LEHD-ProRed™ 620
ProRed™-derived protease substrates are colorless and non-fluorescent. Cleavage of blocking protease-cleavable peptide residue by caspases generates the strongly red fluorescent ProRed™ that can be monitored fluorimetrically at ~620 nm with excitation of ~530 nm. ProRed™-derived caspase substrates are the most sensitive red indicators for the fluorimetric detection of various caspase activities. This LEHD-ProRed™ substrate is specific for detecting caspase 9.
Detection of Caspase 9 Activities in Jurkat cells using Z-LEHD-ProRed™ 620. Jurkat cells were seeded on the same day at 300,000 cells/90 µL/well in a Costar black wall/clear bottom 96-well plate. The cells were treated with or without 1 µM of staurosporine for 4 hours. TheZ-LEHD-ProRed™ 620 working solution (100 µL/well) was added and incubated at room temperature for 1 hour. The fluorescence intensity was measured at Ex/Em = 540/620 nm (Cutoff = 610 nm) with FlexStation fluorescence microplate reader (Molecular Devices).
CatalogSize
Price
Quantity
134351 mg
Price
 
Physical properties

Molecular weight1865.70
SolventDMSO
Spectral properties

Excitation (nm)532
Emission (nm)619
Usage and storage

Intended useResearch Use Only (RUO)
StorageFreeze (< -15 °C); Minimize light exposure
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Page updated on July 17, 2026