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Merck

C9903

Sigma-Aldrich

Cholera Toxin B subunit

≥95% (SDS-PAGE), lyophilized powder, enterotoxin

Sinónimos:

CTB

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About This Item

Número MDL:
Código UNSPSC:
12352200
ID de la sustancia en PubChem:
NACRES:
NA.77

Nombre del producto

Cholera Toxin B subunit, ≥95% (SDS-PAGE), lyophilized powder

Nivel de calidad

Ensayo

≥95% (SDS-PAGE)

Formulario

lyophilized powder

mol peso

~12 kDa

composición

Protein, ~5% Lowry

impurezas

≤0.5% Cholera toxin A subunit (SDS-PAGE)

solubilidad

H2O: 10 mg/mL

temp. de almacenamiento

2-8°C

cadena SMILES

CCOc1ccccc1C(=O)Nc2ccc(Cl)c(c2)C(F)(F)F

InChI

1S/C16H13ClF3NO2/c1-2-23-14-6-4-3-5-11(14)15(22)21-10-7-8-13(17)12(9-10)16(18,19)20/h3-9H,2H2,1H3,(H,21,22)

Clave InChI

YDXZSNHARVUYNM-UHFFFAOYSA-N

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Descripción general

Cholera Toxin is a heterohexameric AB5 enterotoxin. Cholera Toxin B subunit is the the B subunit pentamer of cholera toxin produced by Vibrio cholera. It is generally involved in the cell trafficking and signalling machineries.

Aplicación

Cholera Toxin B subunit has been used:
  • for macrophage stimulation and i.p. injection in a study to determine the endotoxin sensitivity of Caspase-4.
  • in transganglionic and retrograde tract-tracing method combined with dual-immunofluorescence histochemistry of adult rat Vmes neuron cells.

Acciones bioquímicas o fisiológicas

The cholera toxin B subunit is used for track tracing in neurological research, taking advantage of GM1 ganglioside binding and retrograde transport.
The cholera toxin B subunit is used for track tracing in neurological research, taking advantage of GM1 ganglioside binding and retrograde transport. Tissue culture cells treated with cholera toxin are not killed and tissues of animals do not become necrotic.

Características y beneficios

This compound is a featured product for Cyclic Nucleotide research. Click here to discover more featured Cyclic Nucleotide products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

Envase

Package size based on protein content

Forma física

Lyophilized powder containing Tris buffer salts, sodium chloride, sodium azide, and sodium EDTA.

Reconstitución

When reconstituted with water to a final concentration of 1 mg of CTB per ml, the solution will contain 0.05 M Tris buffer, pH 7.5, 0.2 M NaCl, 3 mM NaN3 and 1 mM sodium EDTA.

Nota de análisis

Activity measured by ELISA using ganglioside GM1-coated multiwell plates, rabbit anti-Cholera toxin B subunit antibodies, and peroxidase-labeled goat anti-rabbit IgG as the secondary antibody. 50% saturation of binding was achieved with 0.05-1 μg of Cholera toxin B subunit per mL.

Pictogramas

Exclamation mark

Palabra de señalización

Warning

Frases de peligro

Clasificaciones de peligro

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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Visite la Librería de documentos

Lolke De Haan et al.
Molecular membrane biology, 21(2), 77-92 (2004-06-19)
Cholera toxin (Ctx) from Vibrio cholerae and its closely related homologue, heat-labile enterotoxin (Etx) from Escherichia coli have become superb tools for illuminating pathways of cellular trafficking and immune cell function. These bacterial protein toxins should be viewed as conglomerates
Jung Won Youm et al.
FEBS letters, 579(30), 6737-6744 (2005-11-29)
Beta amyloid (Abeta) is believed one of the major pathogens of Alzheimer's disease (AD), and the reduction of Abeta is considered a primary therapeutic target. Immunization with Abeta can reduce Abeta burden and pathological features in transgenic AD model mice.
Stefan Achtsnicht et al.
PloS one, 14(7), e0219356-e0219356 (2019-07-06)
Cholera is a life-threatening disease caused by the cholera toxin (CT) as produced by some Vibrio cholerae serogroups. In this research we present a method which directly detects the toxin's B subunit (CTB) in drinking water. For this purpose we
R G Zhang et al.
Journal of molecular biology, 251(4), 550-562 (1995-08-25)
Cholera toxin, a heterohexameric AB5 enterotoxin released by Vibrio cholera, induces a profuse secretory diarrhea in susceptible hosts. Choleragenoid, the B subunit pentamer of cholera toxin, directs the enzymatic A subunit to its target by binding the GM1 gangliosides exposed
Fernanda Rosa et al.
Frontiers in immunology, 11, 607609-607609 (2020-12-29)
The impact of human milk (HM) or dairy milk-based formula (MF) on the large intestine's metabolome was not investigated. Two-day old male piglets were randomly assigned to HM or MF diet (n = 26/group), from postnatal day (PND) 2 through

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