Skip to Content
MilliporeSigma
All Photos(1)

Documents

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

Sign Into View Organizational & Contract Pricing


About This Item

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

Quality Level

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

11 - Combustible Solids

wgk_germany

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service