Proteasome inhibitor IX 是 Chalcone的一种衍生物，对20S Proteasome" style="display: inline; color: #c13a36">蛋白酶体的胰凝乳蛋白酶样活性有抑制作用，IC50约为 1 μM。它抑制 HCT116 p53+/+细胞生长，IC50为 1.49 μM，显示出有效的抗癌活性。

AM 114 is an inhibitor of chymotrypsin-like activity of the 20S proteasome (IC50 ~1 μM). AM 114 shows potent anticancer activity. AM 114 exhibits HCT116 p53+/+ cells growth inhibitory activity(IC50 = 1.49 μM).

AM114 exhibits potent activity against p53+/+ cells in colony formation assay, with an IC50 value of 0.6 μM[2]. AM114 treatment inhibits the chymotrypsin-like activity of the 20S proteasome in vitro, leading to a significant accumulation of ubiquitinated p53 and other cellular proteins in whole cells[2]. In HCT116 p53+/+ cells, AM114(0.1-10 μM) treatment causes a loss of cell survival in the p53+/+ and p53-/- cells by approximately 70 and 20%, respectively at a concentration of 1 μM[2].

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DMSO:6.25 mg/mL (16.58 mM),Need ultrasonic
Powder: -20°C for 3 years
In solvent: -80°C for 2 years