Isopropyl beta-D-1-thiogalactopyranoside (IPTG)

Isopropyl beta-D-1-thiogalactopyranoside (IPTG)
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Like allolactose, IPTG binds to the lac repressor and releases the tetrameric repressor from the... more
Product information "Isopropyl beta-D-1-thiogalactopyranoside (IPTG)"

Like allolactose, IPTG binds to the lac repressor and releases the tetrameric repressor from the lac operator in an allosteric manner, thereby allowing the transcription of genes in the lac operon. But unlike allolactose, the sulfur (S) atom creates a chemical bond which is non-hydrolyzable by the cell, preventing the cell from metabolizing or degrading the inducer. The concentration of IPTG therefore remains constant and the expression of lac p/o-controlled genes would not be inhibited during the experiment.

We offer dioxan-free IPTG for your reasearch. Ultrapure in 1g or 5g amounts.

 Additional Information
Synonyms IPTG, Isopropyl β-D-thiogalactoside
Molecular weight 238.30 g/mol
CAS-No. 367-93-1
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