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219385

Sigma-Aldrich

Cathepsin B Inhibitor II

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

Synonym(s):

Cathepsin B Inhibitor II, Ac-LVK-CHO

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About This Item

Empirical Formula (Hill Notation):
C19H36N4O4
Molecular Weight:
384.51
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

100

Assay

≥95% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze

color

white

solubility

water: 1 mg/mL

shipped in

ambient

storage temp.

−70°C

General description

A more active lysinal analog of Leupeptin (Cat. No. 108975). A more potent inhibitor of cathepsin B (IC50 = 4 nM) compared to leupeptin (IC50 = 310 nM).
Lysinal analog of Leupeptin (Cat. No. 108975). A more potent inhibitor of cathepsin B (IC50 = 4 nM) than of leupeptin (IC50 = 310 nM). Note: this peptide forms cyclic isomers.
Note: this peptide forms cyclic isomers.

Biochem/physiol Actions

Cell permeable: no
Primary Target
cathepsin B
Product does not compete with ATP.
Reversible: no
Target IC50: 4 nM against cathepsin B

Warning

Toxicity: Standard Handling (A)

Sequence

Ac-Leu-Val-lysinal

Reconstitution

Following reconstitution aliquot and freeze (-70°C). Stock solutions are stable for up to 1 month at -70°C.

Other Notes

McConnell, R.M., et al. 1993. J. Med. Chem. 36, 1084.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

219385-1MG:
219385-MG:

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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Gustavo Monteiro Viana et al.
International journal of molecular sciences, 21(4) (2020-02-26)
Mucopolysaccharidosis type I (MPS I) is caused by genetic deficiency of α-l-iduronidase and impairment of lysosomal catabolism of heparan sulfate and dermatan sulfate. In the brain, these substrates accumulate in the lysosomes of neurons and glial cells, leading to neuroinflammation

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