E 64

Cat. No. 5208

E 64 C15H27N5O5 [66701-25-5]

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Chemical Name: (2S,3S)-3-[[[(1S)-1-[[[4-(Aminoiminomethyl)amino]butyl]amino]carbonyl]-3-methylbutyl]amino]carbonyl]-2-oxiranecarboxylic acid

Biological Activity

Potent and irreversible cysteine protease inhibitor (IC50 values are 1.4, 2.5 and 4.1 nM for cathepsin K, L and S respectively. Also inhibits papain, calpain, cathepsin B and cathepsin H. Has no effect on serine proteases. Reduces HSC-3 tongue cancer cell invasion and induces oxidative stress and apoptosis in filarial parasites. Also inhibits autophagy-associated lysosomal degradation in vitro.

Technical Data

M.Wt:
357.41
Formula:
C15H27N5O5
Solubility:
Soluble to 20 mM in water
Purity:
>98 %
Storage:
Store at -20°C
CAS No:
66701-25-5

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.

Certificate of Analysis / Product Datasheet / Safety Datasheet

References are publications that support the products' biological activity.

Wadhawan et al (2014) Inhibition of cathepsin B by E-64 induces oxidative stress and apoptosis in filarial parasite. PLoS ONE 9 e93161. PMID: 24667798.

Bitu et al (2013) Cathepsin K is present in invasive oral tongue squamous cell carcinoma in vivo and in vitro. PLoS ONE 8 e70925. PMID: 23951042.

Zhao et al (2010) Cytosolic FoxO1 is essential for the induction of autophagy and tumour suppressor activity. Nat.Cell.Biol. 12 665. PMID: 20543840.

Susa et al (2004) Human primary osteoclasts: in vitro generation and applications as pharmacological and clinical assay. J.Transl.Med. 2 6. PMID: 15025786.

If you know of a relevant reference for E 64 please let us know.

Citations are publications that use Tocris products. Selected citations for E 64 include:

Lee et al (2015) Tricyclic Antidepressants Amitriptyline and Desipramine Induced Neurotoxicity Associated with Parkinson's Disease. PLoS One 38 734. PMID: 26242194.

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Keywords: E 64, supplier, E64, potent, irreversible, natural, cysteine, protease, inhibitors, inhibits, cathepsin, K, L, S, B, H, calpain, papain, Tocris Bioscience, Cathepsin Inhibitor products

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