This product is not tested for solubility. Various sources suggest that this material may be reconstituted in water or aqueous buffers at 5 mg/ml. This information has not been validated.
L3908
ββ-Lactoglobulina from bovine milk
≥90% (PAGE), lyophilized powder
Sinónimos:
βLg, BLG, Bos d 5, beta-lactoglobulin
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250 MG
US$ 185,00
1 G
US$ 296,00
5 G
US$ 1.100,00
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250 MG
US$ 185,00
1 G
US$ 296,00
5 G
US$ 1.100,00
About This Item
Productos recomendados
origen biológico
bovine milk
Ensayo
≥90% (PAGE)
Formulario
lyophilized powder
técnicas
ELISA: suitable
Nº de acceso UniProt
temp. de almacenamiento
2-8°C
Información sobre el gen
bovine ... LGB(280838)
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Descripción general
La leche de las vacas lecheras contiene la proteína β-lactoglobulina (BLG). Aparece de manera natural en una serie de variantes genéticas, y las variantes bovinas más prevalentes son la BLG A y la BLG B.[1]
Aplicación
βLa β-lactoglobulina se utilizó en el análisis citológico para el diagnóstico de la hipersensibilidad alimentaria en pacientes con síndrome de intestino irritable.[2]
Acciones bioquímicas o fisiológicas
Miembro de la familia de las lipocalinas, la βLg es una proteína pequeña de 162 aminoácidos con una masa molecular de ∼18 400 Da. Consta de un barril β de ocho cadenas (cadenas A-H) seguidas de una hélice α de tres vueltas y una cadena β final (cadena I) que forma parte de la interfaz de dimerización.[3]
Otras notas
Contiene β-lactoglobulinas A y B, que pueden aislarse mediante cromatografía.
Calidad
Puede no contener proteína de unión al folato; no recomendada para análisis de folatos.
Nota de preparación
Purificada por cromatografía
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
Equipo de protección personal
Eyeshields, Gloves, type N95 (US)
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Previous work indicated that conformational changes of β-lactoglobulin (β-LG) induced by dynamic high pressure microfluidization (DHPM) was related to the increase of antigenicity. In this study, β-LG glycated with 1-kestose and combined with DHPM decreased the antigenicity of β-LG. The
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What is the preferred buffer to dilute the product in? Or is it deionized water with or without protease inhibitors? (Application: SDS-PAGE gels and western blot)
1 answer-
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does this product have other components such as sucrose, trehalose or salts?
1 answer-
This product is prepared from skimmed milk. Lactoglobulins are precipitated and further purified chromatographically. The final dialysis process depletes most residual salts. The minimum purity of this product is 90%. While sugars such as trehalose and sucrose would not be expected, the impurities of this product have not been identified.
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How is the solubility of the product in water?
1 answer-
This product is not tested for solubility. Various sources suggest that this material may be reconstituted in water or aqueous buffers at 5 mg/ml. This information has not been validated.
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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How does the storage temperature relate to shipping conditions?
1 answer-
The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment.
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What is the molecular weight of Product L3908, β-Lactoglobulin from bovine milk?
1 answer-
Product L3908, β-Lactoglobulin from bovine milk, exists as a dimer of two peptides. Peptide A = 18,367, B = 18,281; the monomer is approximately 36,600.
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