I1284
Isopropyl β-D-thiogalactopyranoside solution
ReadyMade IPTG solution for Blue-white screening
Sinónimos:
IPTG solution
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About This Item
Fórmula empírica (notación de Hill):
C9H18O5S
Número de CAS:
Peso molecular:
238.30
Beilstein:
4631
Número MDL:
Código UNSPSC:
12352200
ID de la sustancia en PubChem:
NACRES:
NA.52
Productos recomendados
grado
for molecular biology
Nivel de calidad
descripción
non-ionic
Formulario
liquid
mol peso
238.3
Condiciones de envío
dry ice
temp. de almacenamiento
−20°C
cadena SMILES
CC(C)S[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O
InChI
1S/C9H18O5S/c1-4(2)15-9-8(13)7(12)6(11)5(3-10)14-9/h4-13H,3H2,1-2H3/t5-,6+,7+,8-,9+/m1/s1
Clave InChI
BPHPUYQFMNQIOC-NXRLNHOXSA-N
Descripción general
Isopropyl thiogalactose (IPTG) is a sugar derivative widely used for the induction of the expression of recombinant proteins in E. coli. This expression system requires that the gene of interest is cloned in plasmids containing the Lac promoter. IPTG Ready Made is a 0.2 μm filter sterilized solution of 200 mM IPTG. This reagent remains liquid at its storage temperature (-20 °C), thus avoiding freeze-thaw cycles and providing a user-friendly solution.
Aplicación
Isopropyl β-D-thiogalactopyranoside solution is:
- used as an inducer for the expression of single domain antibodies(sdAbs) in E coli and bioactive peptides
- used in its half-life and decay studies
- suitable for induction of recombinant protein expression in systems controlled by the lac repressor
Acciones bioquímicas o fisiológicas
Isopropyl β-D-thiogalactopyranoside binds to the lac repressor and releases the tetrameric repressor from the lac operator in an allosteric manner. This binding allows the transcription of genes in the lac operon, such as the gene coding for β--galactosidase. The β-galactosidase gene is transcribed and monosaccharides are the product. Since Isopropyl β-D-thiogalactopyranoside cannot be metabolized by E. coli its concentration remains constant. Therefore, it is not a variable in the experiment.
Principio
Isopropyl β-D-thiogalactopyranoside binds to the lac repressor and releases the tetrameric repressor from the lac operator in an allosteric manner. This binding allows the transcription of genes in the lac operon, such as the gene coding for β-galactosidase. The β-galactosidase gene is transcribed and monosaccharides are the product.
Producto relacionado
Referencia del producto
Descripción
Precios
Código de clase de almacenamiento
10 - Combustible liquids
Clase de riesgo para el agua (WGK)
WGK 2
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
Equipo de protección personal
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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