L3908
β-Lactoglobulin from bovine milk
≥90% (PAGE), lyophilized powder
Synonym(s):
βLg, BLG, Bos d 5, beta-lactoglobulin
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About This Item
Recommended Products
biological source
bovine milk
Quality Level
Assay
≥90% (PAGE)
form
lyophilized powder
technique(s)
ELISA: suitable
UniProt accession no.
storage temp.
2-8°C
Gene Information
bovine ... LGB(280838)
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General description
Milk from dairy cows contains the protein β-lactoglobulin (BLG). It naturally occurs in a number of genetic variants, and the most prevalent bovine variants are BLG A and BLG B.
Application
β-Lactoglobulin was used in a cytologic assay for diagnosis of food hypersensitivity in patients with irritable bowel syndrome.
Biochem/physiol Actions
A member of the lipocalin family, βLg is a small protein of 162 amino acids with a molecular mass of ∼18,400 Da. It features an eight-stranded β-barrel (strands A-H) succeeded by a three-turn a-helix and a final β-strand (strand I) that forms part of the dimerization interface.
Other Notes
Contains β-lactoglobulins A and B which can be isolated chromatographically.
Quality
May not contain folate binding protein; not recommended for folate analysis.
Preparation Note
Chromatographically purified
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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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Mutations in either ClC-7, a late endosomal/lysosomal member of the CLC family of chloride channels and transporters, or in its beta-subunit Ostm1 cause osteopetrosis and lysosomal storage disease in mice and humans. The severe phenotype of mice globally deleted for
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