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Sigma-Aldrich

Cathepsin L Inhibitor IV

The Cathepsin L Inhibitor IV controls the biological activity of Cathepsin L. This small molecule/inhibitor is primarily used for Protease Inhibitors applications.

Synonym(s):

Cathepsin L Inhibitor IV, 1-Naphthalenesulfonyl-IW-CHO

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About This Item

Empirical Formula (Hill Notation):
C27H29N3O4S
Molecular Weight:
491.60
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

Assay

≥98% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white to off-white

solubility

DMSO: 5 mg/mL

shipped in

ambient

storage temp.

−20°C

General description

A potent, cell-permeable, selective, and reversible inhibitor of cathepsin L (IC50 = 1.9 nM). Also inhibits the release of Ca2+ and hydroxyproline from bone in an in vitro bone culture system and prevents bone loss in ovariectomized mice (~50 mg/kg).
A potent, cell-permeable, selective, and reversible inhibitor of cathepsin L (IC50 = 1.9 nM). Inhibits the release of Ca2+ and hydroxyproline from bone in a bone culture system and prevents bone loss in ovariectomized mice (~50 mg/kg).

Biochem/physiol Actions

Cell permeable: yes
Primary Target
cathepsin L
Product does not compete with ATP.
Reversible: yes
Target IC50: 1.9 nM against Cathepsin L

Warning

Toxicity: Standard Handling (A)

Sequence

1-Naphthalenesulfonyl-Ile-Trp-CHO

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

Yasuma, T., et al. 1998. J. Med. Chem. 41, 4301.

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Saara Hämälistö et al.
Nature communications, 11(1), 229-229 (2020-01-15)
Lysosomes are membrane-surrounded cytoplasmic organelles filled with a powerful cocktail of hydrolases. Besides degrading cellular constituents inside the lysosomal lumen, lysosomal hydrolases promote tissue remodeling when delivered to the extracellular space and cell death when released to the cytosol. Here

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