E-64 NEW
| Price | $31 | $46 | $72 |
| Package | 2mg | 5mg | 10mg |
| Min. Order: | |
| Supply Ability: | 10g |
| Update Time: | 2024-11-17 |
Product Details
| Product Name: E-64 | CAS No.: 66701-25-5 |
| Purity: 99.95% | Supply Ability: 10g |
| Release date: 2024/11/17 |
Product Introduction
Bioactivity
| 名稱 | E-64 |
| 描述 | E-64 (Proteinase inhibitor E 64) is an irreversible and specific inhibitor of cysteine proteases, exhibiting an IC50 of 9 nM for papain. |
| 激酶實(shí)驗(yàn) | The Cathepsin Β activity is determined using Z-Arg-Arg-4mβNA as substrate with slight modifications. The crude extract is pre-incubated at 37°C for 5 min in 50 mM sodium acetate buffer, pH 5.0 containing 1 mM EDTA and 5 mM DTT. The substrate (final concentration, 100 μM) is added to make the final assay volume of 1 mL. The reaction mixture is incubated at 37°C for 30 min. The reaction is terminated by adding equal volume of stopping reagent containing Fast Garnet GBC salt (1 mg/mL), 10 mM pHMB and 50 mM EDTA, pH 6.0. The extraction of product, β-napthylamine (β-NA), is carried out with n-butanol. After complete layer separation, the absorbance is measured in n-butanol layer and activity is calculated using molar extinction coefficient of β-napthylamine solution as 31.5 M/cm per sec at 520 nm. One unit of enzyme activity is defined as the amount of enzyme liberating 1 μmol of βNA per minute at 37°C. The half maximal inhibitory concentration (IC50) is calculated by plotting the graph between the different concentration of E-64 and the % inhibition in cathepsin B activity. Here, IC50 indicates the concentration of the E-64 required to inhibit the parasitic cathepsin B activity by half[2]. |
| 體外活性 | E-64 rapidly inhibits the activities of the cysteine proteinases cathepsins B, H and L and papain, while has no effect on the serine proteinases or the metalloproteinases. [2] E-64, as a specific inhibitor os cysteine proteases, effectively blocks in vitro ovarian cancer cell invasion. [3] In addition, E-64 also shows antiparasitic activity against Giardia lamblia excystation in vitro. [4] E-64 improves the preimplantation development of bovine somatic cell nuclear transfer embryos, which indicates another important implication of E-64. [5] |
| 體內(nèi)活性 | E-64 induces a marked decrease in the number of spontaneous metastasis in M5076 tumor bearing mice, while has no effect on the formation of experimental metastasis. [6] E-64 also shows antiparasitic activity against Giardia lamblia excystation in infected mice. [4] |
| 存儲條件 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| 溶解度 | H2O : 9 mg/mL (25.2 mM) Ethanol : < 1 mg/mL (insoluble or slightly soluble) DMSO : 50 mg/mL (139.9 mM) |
| 關(guān)鍵字 | Cathepsin | Inhibitor | Proteinase inhibitor E-64 | inhibit | Proteinase inhibitor E64 | E-64 | Bacterial | Autophagy |
| 相關(guān)產(chǎn)品 | Neomycin sulfate | Stavudine | Ampicillin sodium | Kanamycin sulfate | Sodium 4-phenylbutyrate | Sulfamethoxazole sodium | Hydroxychloroquine | Guanidine hydrochloride | Doxycycline | Paeonol | Naringin | Dimethyl sulfoxide |
| 相關(guān)庫 | 細(xì)胞凋亡化合物庫 | 經(jīng)典已知活性庫 | 自噬庫 | 抑制劑庫 | NO PAINS 化合物庫 | 已知活性化合物庫 | 臨床前化合物庫 | 抗癌化合物庫 | 抗COVID-19化合物庫 | 抗癌活性化合物庫 |
Company Profile Introduction
Target Molecule Corp. (TargetMol) is a global high-tech enterprise, headquartered in Boston, MA, specializing in chemical and biological research product and service to meet the research needs of global customers.
TargetMol has evolved into one of the biggest global compound library and small molecule suppliers and a customer based on 40+ countries. TargetMol offers over 80 types of compound libraries and a wide range of high-quality research chemicals including inhibitors, activator, natural compounds, peptides, inhibitory antibodies, and novel life-science kits, for laboratory and scientific use. Besides, virtual screening service is also available for customers who would like to conduct the computer-aided drug discovery.
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