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Sigma-Aldrich

Calpain Inhibitor IV

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

Synonym(s):

Calpain Inhibitor IV, Z-LLY-FMK

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About This Item

Empirical Formula (Hill Notation):
C30H40FN3O6
Molecular Weight:
557.65
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
desiccated

color

white to pale yellow

solubility

DMSO: 25 mg/mL

shipped in

ambient

storage temp.

−20°C

General description

A potent, cell-permeable and irreversible inhibitor of calpain II (k2 = 28,900 M-1s-1). Also acts as an inhibitor of cathepsin L (k2 = 680,000 M-1s-1).
A potent, cell-permeable, and irreversible inhibitor of calpain II (k2 = 28,900 M-1s-1). Also acts as an inhibitor of cathepsin L (k2 = 680,000 M-1s-1).

Biochem/physiol Actions

Cell permeable: yes
Primary Target
calpain 2
Product does not compete with ATP.
Reversible: no
k₂ = 28,900 M⁻¹s⁻¹ in the inhibition of calpain II; k2 = 680,000 M⁻¹s⁻¹ in the inhibition of cathepsin L

Warning

Toxicity: Standard Handling (A)

Sequence

Z-Leu-Leu-Tyr-CH₂F

Reconstitution

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

Analysis Note

single spot by TLC

Other Notes

Dutt, P., et al. 1998. FEBS Lett. 436, 367.
Angliker, H., et al. 1992. J. Med. Chem. 35, 216.

Legal Information

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

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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Kirill Gorshkov et al.
ACS infectious diseases, 7(6), 1389-1408 (2020-12-22)
Understanding the SARS-CoV-2 virus' pathways of infection, virus-host-protein interactions, and mechanisms of virus-induced cytopathic effects will greatly aid in the discovery and design of new therapeutics to treat COVID-19. Chloroquine and hydroxychloroquine, extensively explored as clinical agents for COVID-19, have
Anna Luganini et al.
mBio, 14(4), e0074923-e0074923 (2023-07-21)
The human cytomegalovirus (HCMV) US12 gene family contributes to virus-host interactions by regulating the virus' cell tropism and its evasion of host innate immune responses. US21, one of the 10 US12 genes (US12-US21), is a descendant of a captured cellular
Vimala Bondada et al.
Biochimica et biophysica acta. Molecular cell research, 1868(7), 119019-119019 (2021-04-04)
The enzymatic characteristics of the ubiquitous calpain 5 (CAPN5) remain undescribed despite its high expression in the central nervous system and links to eye development and disease. CAPN5 contains the typical protease core domains but lacks the C terminal penta-EF

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