beta-Lactoglobulin A from bovine milk, >=90% (PAGE)
Application
?-Lactoglobulin A from bovine milk has been used: as a calibrant for the calibration of the TriWave deviceas a standard in the detection and quantification of ?-lactoglobulin in bovine milk by reverse-phase high performance liquid chromatography (HPLC)in the purification and molecular weight measurement of protease samples
?-Lactoglobulin was used in the identification of the genetic variants of ?-casein in milk by isoelectric focusing electrophoresis.
Biochem/physiol Actions
?-Lactoglobulin (?-lg) possesses heat-set gelation properties. It also exhibits antiviral, anticarcinogenic and hypocholesterolemic effects. ?-lg can bind to retinolandlong-chain fatty acids. It may participate in the absorption and metabolism of fatty acids.
General description
A member of the lipocalin family, ?Lg is a small protein of 162 amino acids with a molecular mass of ?18,400 Da, featuring an eight-stranded ?-barrel (strands A-H) succeeded by a three-turn a-helix and a final ?-strand (strand I) that forms part of the dimerization interface.
Milk from dairy cows contains the protein ?-lactoglobulin (BLG). It naturally occurs in a number of genetic variants, and the most prevalent bovine variants are known as BLG A and BLG B.
Packaging
10, 25, 100, 250 mg in poly bottle
| Quality Level | 200 |
|---|---|
| Manufacturer | SIGMA-ALDRICH |
| Technique(s) | HPLC: suitable |
| Storage Temp. | 2-8°C |
| Form | powder |
| Assay | ≥90% (PAGE) |
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