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219393

Sigma-Aldrich

Cathepsin S Inhibitor - Calbiochem

Cathepsin S Inhibitor is a slow, tight-binding reversible inhibitor of cathepsin S (Ki = 185 pM). Exhibits 410-fold greater selectivity over cathepsin B (Ki = 76 nM).

Synonym(s):

Cathepsin S Inhibitor - Calbiochem, Z-FL-COCHO

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About This Item

Empirical Formula (Hill Notation):
C24H28N2O5
Molecular Weight:
424.49
UNSPSC Code:
12352200

Quality Level

Assay

≥95% (TLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

pale yellow

solubility

DMSO: 5 mg/mL

shipped in

ambient

storage temp.

−20°C

General description

A dipeptidyl α-keto-β-aldehyde that acts as a slow, tight-binding, highly potent, reversible inhibitor of cathepsin S. Exhibits over 410-fold greater selectivity for cathepsin S (Ki = 185 pM) over cathepsin B (Ki = 76 nM).
A slow, tight-binding reversible inhibitor of recombinant cathepsin S (Ki = 185 pM). Exhibits about 410-fold greater selectivity for cathepsin S compared to cathepsin B (Ki = 76 nM).

Biochem/physiol Actions

Cell permeable: no
Primary Target
cathepsin S
Product does not compete with ATP.
Reversible: yes
Target Ki: 185 pM against cathepsin S

Packaging

Packaged under inert gas

Preparation Note

Following reconstitution aliquot and freeze (-20°C). Stock solutions are stable for up to 6 months at -20°C.

Other Notes

Walker, B., et al. 2000. Biochem. Biophys. Res. Commun.275, 401.
Z-Phe-Leu-COCHO • H₂O

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

Storage Class Code

10-13 - German Storage Class 10 to 13


Certificates of Analysis (COA)

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