产品分类

亮抑酶肽
品牌:北京金优科技有限公司
货号 规格 包装/纯度 价格 货期 操作
JY-2025LL4810mM*1mL in DMSO 10mM*1mL in DMSO ≥98%
¥260.00
生物活性: 靶点:Cathepsin;Serine Protease
通路:Metabolic Enzyme/Protease
背景说明:Leupeptin是一种广谱的、具有细胞膜渗透性的蛋白酶抑制剂,能有效抑制丝氨酸、半胱氨酸和苏氨酸蛋白酶。Leupepti还可抑制 Cathepsin B, Cathepsin H 和 Cathepsin L,阻断两性溶酶体的融合。
生物活性:Leupeptin, a broad-spectrum covalent inhibitor of serine, cysteine, and threonine proteases, showed inhibitory activity against Mpro, with a 50% inhibitory concentration (IC50) value of 127.2 μM in vitro in our study here. Leupeptin can also inhibit SARS-CoV-2 in Vero cells, with 50% effective concentration (EC50) values of 42.34 μM.[1]
In Vitro:Leupeptin, a metabolite produced by plant-symbiotic actinomyces (PSA), which showed antiviral activity in both Cell Culture and enzyme assays. Leupeptin likely contributes to the antiviral activity of the QFPD decoction against SARS-CoV-2. [1]
数据来源文献:[1]. Fu L, et al. Mechanism of Microbial Metabolite Leupeptin in the Treatment of COVID-19 by Traditional Chinese Medicine Herbs. mBio. 2021 Oct 26;12(5):e0222021.
其它标识: EC:EINECS 600-443-5
MDL:MFCD00037012
SMILES:O=C[C@@H](NC([C@@H](NC([C@@H](NC(C)=O)CC(C)C)=O)CC(C)C)=O)CCCNC(N)=N.[0.5H2SO4]
InChIKey:CIPMKIHUGVGQTG-VFFZMTJFSA-N
InChI:InChI=1S/2C20H38N6O4.H2O4S/c2*1-12(2)9-16(24-14(5)28)19(30)26-17(10-13(3)4)18(29)25-15(11-27)7-6-8-23-20(21)22;1-5(2,3)4/h2*11-13,15-17H,6-10H2,1-5H3,(H,24,28)(H,25,29)(H,26,30)(H4,21,22,23);(H2,1,2,3,4)/t2*15-,16-,17-;/m00./s1
PubChem CID:2733491
基本信息: CAS:103476-89-7
中文名称:亮抑酶肽
英文名称:Leupeptin
别名:亮肽素
分子式:C20H38N6O4·1/2H2SO4
分子量:475.59
规格:10mM*1mL in DMSO ; 10mM*1mL in Water ; 1mg ; 5mg
溶解性:Soluble in Water/DMSO
纯度:≥98%
外观(性状):White to off-white Solid
储存条件:Powder:-20℃,2 years;Insolvent(母液):-20℃,6 months;-80℃,1 year
靶点: Cathepsin;Serine Protease

产品详情



使用本产品的应用案例(仅供参考

In Vitro

Western blotting. (1 µM Leupeptin

MCF-7 cells were treated with the aforementioned CoCl2 concentrations for 24 h and cells were lysed with ice-cold radioimmunoprecipitation assay buffer (150 mM NaCl, 1.0% NP-40, 0.1% Triton X-100, 0.5% sodium deoxycholate, 0.1% SDS and 50 mM Tris-HCl, pH 8.0) and protease inhibitors (AEBSF at 2 mM, Aprotinin at 0.3 µM, Bestatin at 116 µM, E-64 at 14 µM, Leupeptin at 1 µM and EDTA at 1 mM; Beijing Solarbio Science & Technology Co., Ltd., Beijing, China)

来源文献:Li Q, Ma R, Zhang M. CoCl2 increases the expression of hypoxic markers HIF-1α, VEGF and CXCR4 in breast cancer MCF-7 cells. Oncol Lett. 2018 Jan;15(1):1119-1124. doi: 10.3892/ol.2017.7369. Epub 2017 Nov 8. PMID: 29391899; PMCID: PMC5769392.


Western Blotting(0.5 ug/mL Leupeptin

The mice heart (n=3) was dissected out and homogenized with a homogenizer at 4 °C in ice-cold lysis buffer containing 150 mM NaCl, 50mM Tris (pH 7.4), 1% sodium deoxycholate, 1%TritonX-100, 0.1% SDS, 25 mM β-glycerophosphate, 2m M sodium pyrophosphate, 1mM EDTA, 1mM Na3VO4 and 0.5 ug/ml leupeptin (Solarbio, Beijing, China).  The homogenate was centrifuged at 12,000×g for ten minutes at 4 ℃ to obtain the supernatant which was used to analyze the protein expression. 

来源文献:Jing L, Shao J, Sun W, Lan T, Jia Z, Ma H, Wang H. Protective effects of two novel nitronyl nitroxide radicals on heart failure induced by hypobaric hypoxia.  Life Sci. 2020 May 1;248:116481.  doi: 10.1016/j.lfs.2019.05.037.  Epub 2019 May 15.  PMID: 31102744.


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