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网站主页 化工产品目录 生物化工 抑制剂 蛋白酶体(Proteases) Cysteine Protease 抑制剂 阿洛司他丁酸 E-64-c
  • 76684-89-4E-64-c

76684-89-4E-64-c

E-64-c
76684-89-4
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上海 更新日期:2024-11-05

上海一研生物科技有限公司

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产品详情:

中文名称:
E-64-c
英文名称:
E-64-c
CAS号:
76684-89-4
品牌:
一研
保存条件:
Store at -20°C
产品类别:
抑制剂
Cas:
76684-89-4

产品属性:

产品名称

规格

CAS

型号

E-64-c

10mM (in 1mL DMSO) 1mg 5mg 25mg 100mg 500mg 1g

76684-89-4

EY-Y0164053

Cas No.76684-89-4

别名 N/A

化学名 (2S,3S)-3-[[(2S)-4-methyl-1-(3-methylbutylamino)-1-oxopentan-2-yl]carbamoyl]oxirane-2-carboxylic acid

分子式 C15H26N2O5

E-64-c.png

分子量 314.4

溶解度 31.4mg/mL in DMSO, 111.8 mg/mL in EtOH

储存条件 Store at -20°C
General tips  For obtaining a higher solubility , please warm the tube at 37 and shake it in the ultrasonic bath for a while.
Shipping Condition     Evaluation sample solution : ship with blue ice
All other available size: ship with RT , or blue ice upon request
产品描述:
E-64-c, which is also known as Ep-475, is an analog of E-64 and inhibitor of cysteine proteinases. [1]

The cysteine proteinases, of which Cathepsins B and H and cathepsin L exist in mammals, contain an essential highly reactive thiol group, and therefore are inhibited by thiol-blocking reagents such as iodoacetate and mercuribenzoate. E-64-c showed promise of acting as class-specific inhibitors for the cysteine proteinases. X-ray diffraction shows that E-64-c binds to papain through a thioether covalent bond.[1]

E-64-c, which is an analog of E-64, has proved to be substantially more reactive than E-64 with cathepsins B and L. Cathepsins B and H from human liver and rat cathepsin L were used to measure the rate constants of inhibition of E-64-c, which indicated the rate constants of inactivation of cathepsins B, H and L were 298000, 2018, 206000 M-1 s-1 , respectively[2].

E-64-c was injected subcutaneously, in various doses, daily for 80 days into dystrophic chickens, the activities of cathepsin B and cathepsin H were reduced to the levels in control chickens. E-64-c showed dose-dependent activities on inhibiting cathepsin H and B. However, cathepsin D is not sensitive to E-64-c. Moreover, 10 mg/kg per 8 h of an oil emulsion of E-64-c injection reduced protein degradation 20% in muscles from burned rats. E-64c, which also inhibits calpain , was administered at a dose of 400 mg/kg twice a day for 3 days to middle cerebral artery occlusion mice. The MAP2 levels was increased compared to control and the depletion was significantly inhibited.[3,4]

References:

1.Yamamoto D, Matsumoto K, Ohishi H, et al. Refined x-ray structure of papain. E-64-c complex at 2.1-A resolution[J]. Journal of Biological Chemistry, 1991, 266(22): 14771-14777.

2.Barrett A J, Kembhavi A A, Brown M A, et al. L-trans-Epoxysuccinyl-leucylamido (4-guanidino) butane (E-64) and its analogues as inhibitors of cysteine proteinases including cathepsins B, H and L[J]. Biochem. J, 1982, 201: 189-198.

3.Clark A S, Kelly R A, Mitch W E. Systemic response to thermal injury in rats. Accelerated protein degradation and altered glucose utilization in muscle[J]. Journal of Clinical Investigation, 1984, 74(3): 888.

4.Inuzuka T, Tamura A, Sato S, et al. Suppressive effect of E-64c on ischemic degradation of cerebral proteins following occlusion of the middle cerebral artery in rats[J]. Brain research, 1990, 526(1): 177-179.


76684-89-4;C15H26N2O5;E-64-c;

公司简介

上海一研生物科技有限公司Shanghai yiyan bio-technology Co. Ltd.主要从事免疫学、分子生物学和常规生化试剂等为一体的科研产品销售企业,公司自成立以来,秉承""全心全意服务于科研工作者""的企业理念,立足生物科技领域,运用生物技术和科研试剂,发展现代生物科技,为各类大中小医院及其它医疗机构、高等院校、科研院所、企事业单位提供优质的产品,服务生物科技领域的科学研究人员。 公司具有对普通货物、冷藏及冷冻仓库的存储、包装及运输能力。 公司将始终坚持信誉立业、以人为本、质量保证、诚信服务的宗旨,不断拼搏,开拓进取,与各界朋友携手共创美好未来。

成立日期 (11年)
注册资本 100
员工人数 50-100人
年营业额 ¥ 100万以内
经营模式 工厂,试剂
主营行业 生化试剂,抗体,细胞培养,分子生物学,免疫安全

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