WebJun 1, 2005 · 1.. IntroductionThe genes of the classical lac operon of E. coli (lacZ, lacY, and lacA) encode β-galactosidase, lactose permease and thiogalactoside acetyltransferase [1].Although the catalytic activity of the LacA gene product was initially inferred from the study of thiogalactoside substrates, the subsequent determination of its broader … WebIPTG (isopropyl-β-D-thiogalactopyranoside) ≥99% (by HPLC), white powder for genomic. Catalog Number: (IC11IPTG0001) Supplier: MP Biomedicals. Description: IPTG (Isopropyl-β-D-thiogalactopyranoside) is a galactose analogue not recognized by β-galactosidase. IPTG is a non-metabolizable galactose analog tha... View Product Page.
蓝白斑筛选的原理及方法_百度文库
WebIsopropyl-β- d -thiogalactopyranoside (IPTG) is a kind of nonmetabolizable analog of lactose widely used for heterogeneous gene expression in Escherichia coli system. Although IPTG functions as an efficient inducer of the lac operator, its high cost and potential toxicity to … WebIPTG，英文全名Isopropyl-beta-D-thiogalactoside，中文全名异丙基-β-D-硫代半乳糖苷，CAS NO：367-93-1，诱导细菌lac或tac操纵子调控的基因转录，尤其是水解酶β-半乳糖苷酶（β-gal，beta-gal）。 一旦表达，β-gal水解β-半乳糖苷和乳糖为单糖。 jnrealtyinc.com
IPTG (Isopropyl Beta-D-Thiogalactoside) Inducer For Beta
WebIsopropyl-β-D-thiogalactoside. mol wt 238.3, pkg of 1 g (10724815001), pkg of 5 g (11411446001) View Price and Availability. Sigma-Aldrich. A6426. Antifoam 204. mixture of organic polyether dispersions. View Price and Availability. Sigma-Aldrich. K1637. Kanamycin sulfate from Streptomyces kanamyceticus. WebIPTG. IPTG即Isopropyl β-D-1-thiogalactopyranoside，也称Isopropyl β-D-thiogalactoside，中文名为异丙基-β-D-硫代半乳糖苷。. 分子式为C9 H18 O5 S，分子量为238.30，CAS Number 367-93-1，Ultra Pure，dioxane free，纯度>99%。. 进口分装。. 本产品为接近白色的粉末。. 常用分子生物学试剂，常用 ... WebMeasurements have recorded the molar ratio of $\beta$-galactosidase : thiogalactoside transacetylase (the protein products of lacZ and lacA) upon induction of the operon at 3:1 to 5:1; i.e. when the lac operon is induced 3 to 5 molecules of $\beta$-gal are produced for every one of the transacetylase. jnr class 205