Cathepsin S Substrate, fluorogenic

Product Number: 866-80

$200

CAS Number: 1135686-31-5
Molecular Weight: 870.51
Salt Form: TFA
Purity: >95%
Sequence (3-letter): Ac-Lys-Gln-Lys-Leu-Arg-AMC
Sequence (1-letter): Ac-KQKLR-AMC
Storage: -20 °C or below

Ac-KQKLR-AMC is a fluorogenic substrate for Cathepsin S. Cathepsin S is a lysosomal cysteine protease with important roles in MHC Class II antigen presentation and nociception. Cathepsin S also cleaves several extracellular matrix proteins (laminin, fibronectin elastin, osteocalcin) and glycosaminoglycans (heparin sulfate, chondroitin sulfate).

Activity is quantified by release of free fluorescent 7-amino-4-methylcoumarin (AMC) which excites at 360-380 nm and emits at 440-460 nm.

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-20 °C or below

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