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重组
expressed in E. coli
质量水平
方案
≥90% (SDS-PAGE)
表单
lyophilized powder
比活
≥100 units/mg protein
分子量
monomer 31000
UniProt登记号
储存温度
2-8°C
基因信息
human ... NQO1(1728)
应用
人双硫腙酶已用于研究评估新型醌磷二酰胺前药的开发。人DT黄递酶也被用于研究其晶体结构，以开发其与细胞毒性前体药物5-（氮丙啶-1-基）-2，4-二硝基苯甲酰胺（CB1954）相互作用的模型。
生化/生理作用
NQO1是一种胞质同型二聚体FAD依赖酶，催化大量细胞毒性醌类减少，从而保护细胞免受氧化应激。此外，氧化应激也可能增强NQO1介导的p53和p73对蛋白酶体降解的保护。NQO1的高诱导表达受Nrf2-Keap1/ARE通路控制，似乎受氧化应激敏感性变化的影响。在缺氧无糖期间，NQO1似乎参与了AMPK诱导的癌细胞死亡。 NQO1在多种实体瘤（包括乳腺癌、胰腺癌、肺癌和结肠癌等）中均有过度表达。
双硫腙酶，也称为NAD（P）H：（醌受体）氧化还原酶，参与几种细胞毒性抗肿瘤醌类和硝基苯类的还原活化过程。它使用NADH或NADPH作为电子供体，催化醌类和醌类化合物的双电子还原成氢醌类。黄素酶每摩尔酶含有1摩尔FAD。[1]
显示体内激活醌基抗肿瘤剂。适合与载体分子结合。
单位定义
一个单位将在37℃甲萘醌底物存在下每min/mg还原1.0 & # 956；摩尔细胞色素C
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
常规特殊物品
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Eeva-Riikka Vehniäinen et al.
Aquatic toxicology (Amsterdam, Netherlands), 116-117, 102-108 (2012-04-10)
Ethoxyresorufin-O-deethylase (EROD) activity is a biomarker of exposure to planar aromatic hydrocarbons, and it is often measured from the S9 fraction. The effect of the liver S9 fraction of seven boreal freshwater fish species on the fluorescence of resorufin was
S Chen et al.
Molecular pharmacology, 56(2), 272-278 (1999-07-27)
The molecular basis of the interaction of DT-diaphorase with a cytotoxic nitrobenzamide CB1954 [5-(aziridin-1-yl)-2, 4-dinitrobenzamide] and five inhibitors was investigated with wild-type DT-diaphorase (human and rat) and five mutants [three rat mutants (rY128D, rG150V, rH194D) and two human mutants (hY155F
Yang Yang et al.
Journal of experimental & clinical cancer research : CR, 33, 14-14 (2014-02-07)
NAD (P) H: quinone oxidoreductase 1 (NQO1) is a xenobiotic metabolizing enzyme that detoxifies chemical stressors and antioxidants, providing cytoprotection in normal tissues. However, high-level expression of NQO1 has been correlated with numerous human malignancies, suggesting a role in carcinogenesis
Molecular of Modelling of Human DT-Diaphorase for Enzyme-Directed Bioreductive Drug Design.
Doughtyl, S.W. and Phillips, R.M.
Molecular Simulations, 24, 209-209 (2000)
David Siegel et al.
Frontiers in pharmacology, 13, 1015642-1015642 (2022-11-22)
The stress induced protein NQO1 can participate in a wide range of biological pathways which are dependent upon the interaction of NQO1 with protein targets. Many of the protein-protein interactions involving NQO1 have been shown to be regulated by the
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