SML1154
Clostridium difficile Toxin A
≥95% (SDS-PAGE), lyophilized powder, cellular toxin
Sinónimos:
TcdA
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Nombre del producto
Clostridium difficile Toxin A, ≥95% (SDS-PAGE)
Nivel de calidad
Ensayo
≥95% (SDS-PAGE)
Formulario
lyophilized powder
temp. de almacenamiento
2-8°C
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Descripción general
Native toxin A purified from C. difficile strain VPI10463 (toxinotype 0)
Acciones bioquímicas o fisiológicas
Clostridium difficile Toxin A and B, cation-dependent UDP-glucose glucosyltransferases, are cellular toxins that inactivate Rho (and Rho family small GTPases) through monoglucosylation of these family members. TcdA elicits effects primarily within the intestinal epithelium. Effects of this monoglucosylation include disregulation of the actin cytoskeleton, cell rounding, cytotoxicity, and altered cellular signaling. Rho proteins are monoglucosylated by Toxin A and B using UDP-glucose as a cosubstrate. Rho, Rac and Cdc42 are included in the Rho subfamilies targeted by both toxins. Low molecular mass GTP-binding proteins that are not modified by Toxin A and B include Ras, Rab, Arf, or Ran subfamilies as well as heterotrimeric G proteins.
TcdA is a cellular toxin that inactivates Rho (and Rho family small GTPases) through monoglucosylation of these family members. TcdA elicits effects primarily within the intestinal epithelium.
Reconstitución
Contents of the 50UG sku when reconstituted in 250 μL sterile distilled water will contain Toxin A at a concentration of approximately 0.2 mg/mL in 0.05M Hepes, 0.15M sodium chloride and 5% sucrose.
Contents of the 2UG sku when reconstituted in 250 μL sterile distilled water will contain Toxin A at a concentration of approximately 8 μg/mL in 0.05M Hepes, 0.15M sodium chloride and 5% sucrose.
Contents of the 2UG sku when reconstituted in 250 μL sterile distilled water will contain Toxin A at a concentration of approximately 8 μg/mL in 0.05M Hepes, 0.15M sodium chloride and 5% sucrose.
Otras notas
After reconstitution, the reconstituted liquid can be frozen at -80 °C to -20 °C to extend stability to 1 year; however every freeze/thaw cycle wil cause increased aggregation. Avoid multiple freeze/thaw cycles and multiple temperature fluctuations.
Mixing: Swirl or pipette gently to mix. Vortexing may promote aggregation.
Mixing: Swirl or pipette gently to mix. Vortexing may promote aggregation.
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation
Código de clase de almacenamiento
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Clase de riesgo para el agua (WGK)
WGK 2
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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