CAS:367-93-1 Isopropyl-beta-D-thiogalactoside / IPTG CAS NO.367-93-1

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A very strong inducer, it is very stable even in bacterial metabolism, so it is widely used in laboratories. Isopropyl glucosinolates galactose glucoside (IPTG) is a kind of extremely strong inducer, not by bacteria metabolism and is very stable, so widely used by the laboratory IPTG is beta - galactose glucoside enzyme activity of inductive substance. Based on this feature, as the carrier of pUC series of DNA (or other carrier with lacZ gene DNA) with lacZ lack for host cell transformation, or by the carrier of M13 phage DNA transfection, if add X - Gal in plate culture medium and IPTG, due to the alpha beta - galactose glucoside enzyme - complementary, can according to whether the present white colonies (or plaque) and easily pick out gene recombinant. In addition, it also can be used as a lac or tac promoter expression vector expression of the inducer to use