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CAS No. : 341-88-8
MCE 国际站:HQNO
产品活性:HQNO 由 P. aeruginosa 产生的,是一种有效的电子传递链抑制剂,对 complex III 的 Kd 值为 64 nM。HQNO 是许多物种的线粒体 NDH-2 的有效抑制剂。
研究领域:Metabolic Enzyme/Protease
作用靶点:Mitochondrial Metabolism
结构分类:其他类 | 结构分类
In Vitro: HQNO is a potent inhibitor of mitochondrial type II NADH:quinone oxidoreductase (NDH-2) in many species, including Yarrowia lipolytica, S. cerevisiae, Gluconobacter oxydans, T. gondii, P. falciparum, and S. aureus. HQNO targets the Q-site of NDH-2.
HQNO concentrations are varied from 0 to 100 μM and 0 to 300 μM for wild-type (WT) and I379E C. thermarum NDH-2 variant, respectively to determine IC50 values. WT NDH-2 has an IC50 value of 10.5±1.3 μM HQNO in the presence of 400 μM Menadione (MD). In the presence of 50 μM MD, the IC50 value for HQNO decreases slightly to 7.3±1.2 μM and near complete inhibition (~15% residual activity) is observed with >50 μM HQNO. At 50 μM MD, HQNO inhibition is observed with an IC50 value of 54.3±1.2 μM.
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