生物活性 | |||
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描述 | Usp14, a proteasome-associated deubiquitinating enzyme, can impede the degradation of ubiquitin-protein conjugates, both in vivo and in vitro. IU1 inhibits the catalytic activity of proteasome-associated Usp14 in vitro, with an IC50 of 4-5 μM. IU1 specifically binds to the activated form of Usp14 and may inhibit it by preventing its docking on the proteasome. However, direct tests of this scenario yielded negative results. Usp14 inhibition is rapidly established upon IU1 addition and rapidly reversed upon its removal. IU1 also promotes the degradation of Sic1, a CDK inhibitor from S. cerevisiae [1]. |
实验方案 | |||
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
3.33mL 0.67mL 0.33mL |
16.65mL 3.33mL 1.66mL |
33.29mL 6.66mL 3.33mL |
参考文献 |
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