Immunogen
Synthesized peptide derived from Macroglobulin α-2 . at AA range: 1100-1180
Specificity
Macroglobulin α-2 Polyclonal Antibody detects endogenous levels of Macroglobulin α-2 protein.
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Dilution rate
IHC: 1/100 - 1/300. ELISA: 1/40000.. IF 1:50-200
Purification process (Immunogen)
The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Background
Alpha-2-macroglobulin is a protease inhibitor and cytokine transporter. It inhibits many proteases, including trypsin, thrombin and collagenase. A2M is implicated in Alzheimer disease (AD) due to its ability to mediate the clearance and degradation of A-beta, the major component of beta-amyloid deposits. [provided by RefSeq, Jul 2008],
Function
developmental stage:Contrary to the rat protein, which is an acute phase protein, this protein is always present at high levels in circulation.,function: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 remains 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.,online information:Alpha-2 macroglobulin entry,similarity:Belongs to the protease inhibitor I39 (alpha-2-macroglobulin) family.,s
Protein name
Alpha-2-macroglobulin
Abbreviation
Macroglobulin α-2
Other name
A2M; CPAMD5; FWP007; Alpha-2-macroglobulin; Alpha-2-M; C3 and PZP-like alpha-2-macroglobulin domain-containing protein 5
Fields
>>Complement and coagulation cascades
Human protein sequence Database
P01023
Mouse protein sequence database
Rat protein sequence database
Cellular localization
Secreted .
Tissue expression
Secreted in plasma.
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