Detection of MS4A3 in Human PBMC by Flow Cytometry. Human peripheral blood monocytes were stained with Human MS4A3 Monoclonal Antibody (Catalog # MAB6247, filled histogram) or isotype control antibody (Catalog # MAB003, open histogram), followed by Fluorescein-conjugated Anti-Mouse IgG F(ab')2 Secondary Antibody (Catalog # F0103B).
Preparation and Storage
Sterile PBS to a final concentration of 0.5 mg/mL.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
MS4A3, also known as HTm4, is an intracytoplasmic membrane protein that is a member of the MS4A family of four-transmembrane proteins that also includes CD20 and Fc epsilon RI beta. It is a cell cycle regulator expressed in the perinuclear area of human hematopoietic cells. The C-terminal region of MS4A3 interacts with cdc-associated phosphatase (KAP), enhancing its activity on cyclin-dependent kinase 2 (cdk2) and facilitating G(0)/G(1) arrest. The combined non-membrane segments of the 214 amino acid (aa), 25 kDa human MS4A3 show 53% and 52% aa identity with corresponding regions of mouse and rat MS4A3, respectively.
Membrane-spanning 4-domains, Subfamily A, Member 3 [Hematopoietic Cell-specific]
Entrez Gene IDs:
932 (Human); 170813 (Mouse); 293753 (Rat)
CD20 antigen homolog; CD20 antigen-like protein; CD20L; CD20LIgE receptor beta subunit; hematopoietic cell 4 transmembrane protein; Hematopoietic-specific transmembrane protein 4; HTM4; HTM4IgE receptor beta chain; membrane-spanning 4-domains subfamily A member 3; membrane-spanning 4-domains, subfamily A, member 3 (hematopoieticcell-specific); MS4A3
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