The Alpha SureFire® Ultra™ Multiplex phospho-eIF2α (Ser51) + Total eIF2α assay kit is used to measure both the phosphorylation (on Ser51) and total levels of endogenous eIF2α in cellular lysates. The assay is an ideal system for the screening of modulators of receptor activation (e.g. agonists and antagonists) as well as agents acting intracellularly, such as small molecule inhibitors of signal transduction. The assay will measure eIF2α phosphorylation by either recombinant or endogenous receptors, and can be applied to primary cells.
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The Alpha SureFire® Ultra™ Multiplex p-eIF2α + Total eIF2α assay kit is used to measure both phosphorylated and total levels of endogenous eIF2α in cellular lysates in a multiplexing Alpha no-wash assay. No specially engineered cell lines are required. The 615 nm (Eu) signal corresponds to the phosphorylated eIF2α analysis, and the 545 nm (Tb) signal corresponds to the total eIF2α analysis. This kit has been formulated to provide superior signal:background assay windows and to perform without interference in the presence of extraneous antibodies, making it amenable to the study of therapeutic and blocking antibodies.
In this assay, the Alpha 615 Acceptor bead is directly-conjugated with an antibody to the phosphorylated site on the target protein. The Alpha 545 Acceptor bead is coated with the CaptSure™ agent, which binds the CaptSure™ tagged anti-total target protein antibody. The Alpha Donor bead binds the biotinylated anti-total target protein antibody.
|Assay Target Class||Phosphoprotein, Protein|
|Product Brand Name||Alpha SureFire Ultra Multiplex|
|Shipping Condition||Blue Ice|
|Unit Size||50,000 Assay Points|