熔点 | 116-126°C |
敏感性 | 对湿度和热敏感 |
溶解性 | Soluble in water, methanol |
存贮条件 | 储存温度:2-8°C; 充氩保存 |
密度 | 1.3700 |
应用 | IPTG 常用于需要诱导 β-半乳糖苷酶活性的克隆实验。它常与 X-Gal 或 Bluo-Gal 结合使用,用于重组细菌菌落的蓝白筛选,这些菌落可以诱导 lac 操纵子在大肠杆菌中的表达。IPTG 与 lacI 阻遏蛋白结合并改变其构象而发挥作用,防止 β-半乳糖苷酶编码基因 lacZ 的抑制。 |
产品介绍 | IPTG, Dioxane-Free (isopropyl-β-thiogalactoside) is an analogue of allolactose that binds specifically to the repressprotein of the lac operon induces expression of β-galactosidase in Escherichia coli. The compound is widely used with X-Gal plates to screen fblue white colonies. The lac operon system IPTG have been used in multiple cloning experiments cellular systems to study gene activity. |
备注 | 非代谢性半乳糖类似物。 |
别名 | 异丙基-β-D-硫代半乳糖吡喃糖苷; 异丙基-β-D-硫代半乳糖吡喃糖甙; 异丙基1-硫代-β-D-半乳糖吡喃糖苷; 异丙基-β-D-硫代半乳糖苷; 异丙基 β-D-1-硫代半乳糖吡喃糖苷; IPTG;IPTG; Isopropyl 1-Thio-β-D-galactopyranoside; Isopropyl-β-D-thiogalactopyranoside |