内毒素:Less than 1.0 EU per μg by the LAL method.
纯度:>90% as determined by SDS-PAGE.
活性:Measured by its binding ability in a functional ELISA. Immobilized FMC63 at 5 μg/mL (100 μL/well) can bind Biotinylated Mouse Fc gamma RIV, His,Avitag (BLI verified) (Cat. No. FC4-M82E8) with a linear range of 0.3-20 ng/mL (Routinely tested).
产品背景:FcgR4(Low affinity immunoglobulin gamma Fc region receptor IV) is also known as CD16-2, FcgammaRIV, receptor for the Fc region of immunoglobulin gamma . Also acts as a receptor for the Fc region of immunoglobulin epsilon . Binds with intermediate affinity to both IgG2a and IgG2b . Does not display binding to IgG1 or IgG3. Plays a role in promoting bone resorption by enhancing osteoclast differentiation following binding to IgG2a. Binds with low affinity to both the a and b allotypes of IgE. Has also been shown to bind to IgE allotype a only but not to allotype b. Binding to IgE promotes macrophage-mediated phagocytosis, antigen presentation to T cells, production of proinflammatory cytokines and the late phase of cutaneous allergic reactions
产品描述:This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag. The protein has a calculated MW of 24.6 kDa. The protein migrates as 30-40 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
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