IPTG;367-93-1;Isopropyl-β-D-1Thiogalactopyranoside

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IPTG;367-93-1;Isopropyl-β-D-1Thiogalactopyranoside
Posting date : May 12, 2014
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Product ID:TQDR021 Name:IPTG Specification/price :500g,1kg,5kg Rank:Ultra Pure Grade Company: CAS:367-93-1 English Name:Isopropyl-β-D-1Thiogalactopyranoside Molecular Formula: C11H16O7 Molecular Wt:238.30 Appearance:white powder Purity (HPLC,area%):99.46% Enterprise Standard Usage: used in blue-white election and bacteria’s protein expression induced by IPTG. Action principle: IPTG has the same structure with lactose, so it unites with lactoseoperon’s repressor protein and the space structure of repressor protein changes from tetramer to monomer and loses its specific binding with operon. This makes the gene transcribed into enzymes which absorb lactose. Different from lactose, IPTG can not be hydrolyzed by β-galactosidase. It is often used with X-GAL in blue-white election.

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