Thermo Fisher, R1171, IPTG Solution, ready-to-use
Quantity: 10 x 1.5 mL, Unit Size: Each, IPTG (isopropyl-beta-D-thiogalactopyranoside) is a highly stable synthetic analog of lactose. It inactivates the lac repressor and induces synthesis of beta-galactosidase, an enzyme that promotes lactose utilization. IPTG is used to induce expression of cloned genes under control of the lac operon . It is used in conjunction with X-Gal (#R0941) to determine the lac phenotype in blue/white colony screening.
Catalog Number: R1171
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