MS4A1, also known as B-lymphocyte antigen CD20, is an activated-glycosylated phosphoprotein expressed on the surface of all B-cells beginning at the pro-B phase and progressively increasing in concentration until maturity. It is to enable optimal B-cell immune response, specifically against T-independent antigens. It is suspected that it acts as a calcium channel in the cell membrane. It plays a role in the microenvironmental interactions of B cells. This structurally unique phosphoprotein plays a role in the regulation of human B cell proliferation and differentiation. It was strongly phosphorylated on resting B cells after CDw40 stimulation, suggesting that it may be functionally regulated by a protein kinase. Recombinant human MS4A1, fused to His-Tag at C-terminal, expressed in insect cell and purified by using conventional chromatography techniques.
Source:Recombinant protein corresponding to aa210-297 of human MS4A1, fused to His-Tag at C-terminal, expressed in insect cell.
Molecular Weight:~11.1kD (97aa), ~18-28kD (SDS-PAGE under reducing conditions)
Storage and Stability:May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.
仕様
Size:10ug
Source Antigen:Recombinant, Insect cell
Grade:Highly Purified
Purity:~90% (SDS-PAGE)
Form:Supplied as a liquid in PBS, pH 7.4, 10% glycerol.