Recombinant Rat Alpha-2-macroglobulin(A2m),partial

Recombinant Rat Alpha-2-macroglobulin(A2m),partial

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Size: 200ug. Other sizes are also available. Please Inquire.

In Stock: No

Lead time: 22-32 working days

Research Topic: Others

Uniprot ID: P06238

Gene Names: A2m

Organism: Rattus norvegicus (Rat)


Expression Region: 620-750aa

Sequence Info: Partial

Source: Yeast

Tag Info: N-terminal 6xHis-tagged

MW: 16.9 kDa

Alternative Name(s):

Relevance: Is able to inhibit all four classes of proteinases by a unique 'trapping' mechanism. This protein has a peptide stretch, called the 'bait region' which contains specific cleavage sites for different proteinases. When a proteinase cleaves the bait region, a conformational change is induced in the protein which traps the proteinase. The entrapped enzyme rains active against low molecular weight substrates (activity against high molecular weight substrates is greatly reduced). Following cleavage in the bait region a thioester bond is hydrolyzed and mediates the covalent binding of the protein to the proteinase.

Reference: Sequence of rat liver alpha 2-macroglobulin and acute phase control of its messenger RNA.Gehring M.R., Shiels B.R., Northemann W., de Bruijn M.H.L., Kan C.-C., Chain A.C., Noonan D.J., Fey G.H.J. Biol. Chem. 262:446-454(1987)

Purity: Greater than 90% as determined by SDS-PAGE.

Storage Buffer: Tris-based buffer,50% glycerol

Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

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