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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

CAS Number:
9045-23-2
UNSPSC Code:
12352202
EC Number:
232-928-9
NACRES:
NA.61
MDL number:
MFCD00130635
Form:
lyophilized powder
Assay:
≥90% (PAGE)
Biological source:
bovine milk
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biological source

bovine milk

Quality Segment

300

assay

≥90% (PAGE)

form

lyophilized powder

technique(s)

ELISA: suitable

UniProt accession no.

P02754

storage temp.

2-8°C

Gene Information

bovine ... LGB(280838)

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.

Preparation Note

Chromatographically purified

Analysis Note

May not contain folate binding protein; not recommended for folate analysis.

Other Notes

Contains β-lactoglobulins A and B which can be isolated chromatographically.

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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