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Bovine A1 Beta Casein, Native Protein


Catalogue No. PE-1831-20
Description Bovine milk may contain two types of beta-casein protein, A2 or A1, which differ by a single-point mutation at amino acid position 82 (P82/H82). Recent studies have shown that milk containing the A1 beta casein protein can contribute to issues including gastrointestinal discomfort after ingestion. There is some evidence of a link between ingestion of A1 beta casein protein and the development of Type 1 diabetes.

PE-1831-20 is A1 beta casein protein that is in its native form and purified from bovine A1/A1 commercial cow's milk collected from cows that are certified BSE and disease free by the manufacture of the milk.
Related products BEK-2364-1P, Bovine A1 Beta Casein ELISA Kit (1 plate)
C-1781-100, Chicken antibody to bovine A1 Beta Casein Protein: Affinity purified
Batch No. Refer to the product label.
Unit size 20 ug
Sequence Bovine A1 beta casein differs from A2 beta casein at amino acid position 82 (H82)
Other Names Beta-casein
Accession P02666 (CASB_BOVIN)
Produced in Affinity-purified from organic natural bovine A1/A1 milk.
Molecular Weight ~33 kDa (SDS-PAGE)
Purity The product is >95% A1 beta casein based on SDS-PAGE gel.
Applications A1 beta casein can be used in ELISA and Western blotting (100 ng or less) as a standard. Other applications not yet tested.
Specificity Single band (> 95%) on SDS-PAGE at about 33kDa with very few minor bands (< 5%) present when visualized by staining.
Form Affinity-purified, native protein. Country of Origin: United States of America
Appearance Liquid. Protein is provided as 50 uL aliquot at 0.4 mg/mL in 10 mM borate buffer, pH 8.5, containing 20% glycerol. Does not contain preservatives. Use sterile methods when handling.
Storage Protein is shipped on ice packs. Upon receipt, divide into aliquots and store product long-term at -20C. Store working aliquots short-term at 2-8C as undiluted liquid for one week. AVOID MULTIPLE FREEZE THAWS
Expiry Date 12 months from purchase if stored at -20C.
PDF Data Sheet

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