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PI-1840

PI-1840

产品编号 T6941   CAS 1401223-22-0
别名: PI 1840

PI-1840 是一种高效的、选择性的蛋白酶体chymotrypsin-like (CT-L)抑制剂,IC50=27nM。

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PI-1840 Chemical Structure
PI-1840, CAS 1401223-22-0
规格 价格/CNY 货期 数量
1 mg ¥ 242 现货
5 mg ¥ 550 现货
10 mg ¥ 895 现货
25 mg ¥ 1,750 现货
50 mg ¥ 3,230 现货
100 mg ¥ 4,780 现货
1 mL * 10 mM (in DMSO) ¥ 650 现货
千万补贴 助力科研
BCA蛋白浓度测定试剂盒限时半价
重组蛋白限时优惠
Doxorubicin hydrochloride限时半价
产品目录号及名称: PI-1840 (T6941)
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纯度: 99.5%
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存储 & 溶解度
参考文献
产品描述 PI-1840(IC50 = 27 nM)is a reversible and selective chymotrypsin-like (CT-L) inhibitor, with little proteasome proteolytic effects on trypsin-like (T-L) and postglutamyl-peptide-hydrolysis-like (PGPH-L).
靶点活性 Chymotrypsin-like proteasome:27 nM
体外活性 PI-1840 potently inhibits proteasomal CT-L activity with IC50 of 0.37 μM in intact human MDA-MB-468 cancer cells, and inhibits proliferation/survival of human MDA-MB-468 cells. [1] In intact cancer cells, PI-1840 inhibits CT-L activity, induces the accumulation of proteasome substrates p27, Bax, and IκB-α, inhibits survival pathways and viability, and induces apoptosis. [2]
体内活性 PI-1840 (150 mg/kg i.p.) inhibits the tumor growth in mice of MDA-MB-231 breast tumors. [2]
激酶实验 CT-L, T-L, PGPH-L proteolytic activity assays: In the high-throughput screen, fluorogenic peptides are used as substrates to assay (at 10 μM) the 50,000 compounds library from ChemBridge for inhibitory activity against the CT-L proteolytic activity of the purified rabbit 20S proteasome. To test for selectivity for CT-L over T-L and PGPH-L the corresponding fluorogenic peptides are used. Briefly, 1 nM of purified 20S rabbit proteasome is incubated with 20 μM Suc-Leu-Leu-Val-Tyr-AMC for the CT-L activity, Bz-Val-Gly-Arg-AMC for the T-L activity, and benzyloxycarbonyl Z-Leu-Leu-Glu-AMC for the PGPH-L activity for 1 h at 37 °C in 100 μL of assay buffer (50 mM Tris-HCl, pH 7.6) with or without compound. After incubation, production of hydrolyzed 7-amido-4-methyl-coumarin (AMC) groups is measured using a WALLAC Victor2 1420 Multilabel Counter with an excitation filter of 355 nm and an emission filter of 460 nm. The amount of AMC released is within the linear range. Bortezomib is used as a positive control for IC50 determinations. To determine proteasome activity in whole cell, extracts (5 μg) from cultured cell lysate is used instead of 20S rabbit proteasome, and followed the same assay mentioned above.
细胞实验 Cells are plated in 96-well plates in 100 μL medium and allowed to attach overnight. Cells are then incubated for 120 h with varying concentrations of inhibitors. Media is aspirated and replaced with 100 μL complete media containing 1 mg/ml MTT and incubated for three hours at 37 °C in 5% CO2 humidified incubator. Media is then aspirated and DMSO is added. Cells are incubated for 10 min at room temperature while shaking, and the absorbance is determined at 540 nm using a μQuant spectrophotometric plate reader. The IC50 values are determined using equation under CT-L, T-L, PGPH-L proteolytic activity assays.(Only for Reference)
别名 PI 1840
分子量 394.47
分子式 C22H26N4O3
CAS No. 1401223-22-0

存储

Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度

Ethanol: 31 mg/mL (78.6 mM)

H2O: < 1 mg/mL (insoluble or slightly soluble)

DMSO: 72 mg/mL (182.5 mM)

溶液配制表

可选溶剂 浓度 体积 质量 1 mg 5 mg 10 mg 25 mg
Ethanol / DMSO 1 mM 2.535 mL 12.6752 mL 25.3505 mL 63.3762 mL
5 mM 0.507 mL 2.535 mL 5.0701 mL 12.6752 mL
10 mM 0.2535 mL 1.2675 mL 2.535 mL 6.3376 mL
20 mM 0.1268 mL 0.6338 mL 1.2675 mL 3.1688 mL
50 mM 0.0507 mL 0.2535 mL 0.507 mL 1.2675 mL
DMSO 100 mM 0.0254 mL 0.1268 mL 0.2535 mL 0.6338 mL

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TargetMol Library Books参考文献

1. Ozcan S, et al. J Med Chem. 2013, 56(10), 3783-3805. 2. Kazi A, J Biol Chem. 2014, 289(17), 11906-11915.

TargetMol Library Books文献引用

1. Lü Z, Li X, Li K, et al. Nitazoxanide and related thiazolides induce cell death in cancer cells by targeting the 20S proteasome with novel binding modes. Biochemical Pharmacology. 2022: 114913.
BYK204165 5-AIQ UPF 1069 PARP-1/2-IN-2 Niraparib hydrochloride JW 55 NMS-P118 PARP-1-IN-2

相关化合物库

该产品包含在如下化合物库中:
高选择性抑制剂库 抑制剂库 表观遗传库 抗卵巢癌化合物库 共价抑制剂库 蛋白酶抑制剂库 NO PAINS 化合物库 DNA 损伤和修复分子库 泛素化化合物库 抗衰老化合物库

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请在以下方框中输入您的动物实验信息后点击计算,可以得到母液配置方法和体内配方的制备方法: 比如您的给药剂量是10 mg/kg,每只动物体重20 g,给药体积100 μL,一共给药动物10 只,您使用的配方为5% DMSO+30% PEG300+5% Tween 80+60% ddH2O。那么您的工作液浓度为2 mg/mL。

母液配置方法:2 mg 药物溶于 50 μL DMSO (母液浓度为 40 mg/mL), 如您需要配置的浓度超过该产品的溶解度,请先与我们联系。

体内配方的制备方法:取 50 μL DMSO 主液,加入 300 μL PEG300, 混匀澄清,再加 50 μL Tween 80,混匀澄清,再加 600 μL ddH2O, 混匀澄清。

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您可能有的问题的答案可以在抑制剂处理说明中找到,包括如何准备库存溶液,如何存储产品,以及基于细胞的分析和动物实验需要特别注意的问题。

Keywords

PI-1840 1401223-22-0 Chromatin/Epigenetic DNA Damage/DNA Repair Proteases/Proteasome Ubiquitination PARP Proteasome cell proliferation Caspase PI 1840 proteasome substrates poly ADP ribose polymerase inhibit NF-κB Autophagy cell cycle PI1840 anticancer Apoptosis Bcl-2 Family MG-63 cells Nuclear factor-kappaB Inhibitor U2-OS cells Nuclear factor-κB inhibitor

 

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