CD244.2 Mouse anti-Mouse, BUV395, Clone: 2B4, BD Optibuild™
Mouse Monoclonal Antibody
Manufacturer: BD Biosciences 740226
CD244 is a type I transmembrane glycoprotein that is also known as Natural killer cell receptor 2B4 (NKR2B4), or Signaling lymphocytic activation molecule 4 (SLAMF4). CD244 is a member of the CD2 subset of the immunoglobulin superfamily (CD2 IgSF). It is expressed on all natural killer (NK) cells, IL-2-activated NK (LAK) cells, committed progenitors of NK cells, and a subset of T lymphocytes which mediate non-MHC-restricted cytoxicity, including dendritic epidermal T cells. The 2B4 monoclonal antibody specifically binds to CD244.2, the 2B4 alloantigen which is expressed on C57BL/6 and C58/J mice, but not in most strains tested (A/J, AKR, BALB/c, CBA/J, CBA/N, C3H/He, C57BR, DBA/1, DBA/2, NZB, SJL/J, 129). At least two isoforms of CD244.2 protein, products of alternative splicing of hnRNA, are expressed on IL-2-activated C57BL/6 NK cells. They differ only in their cytoplasmic domains; with 2B4L (150-aa cytoplasmic tail) having inhibitory activity and 2B4S (93-aa tail) being stimulatory. The extracellular domain of CD244 is a ligand for another CD2 IgSF member, CD48. 2B4 antibody activates lytic and secretory functions of IL-2-cultured NK cells and CD244.2+ T cells.
The antibody was conjugated to BD Horizon™ BUV395 which is part of the BD Horizon Brilliant™ Ultraviolet family of dyes. This dye has been exclusively developed by BD Biosciences to have minimal spillover into other detectors, making it an optimal choice for multicolor flow cytometry. With an Ex Max at 348nm and an Em Max at 395nm, BD Horizon BUV395 can be excited with a 355nm laser and detected with a 379/28 filter.
|Brilliant Ultraviolet 395|
|Aqueous buffered solution containing ≤0.09% sodium azide.|
|IgG2b, κ, also known as 129/J or 129/SvJ IgG2b, κ|
|Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.|
|CD242.2; 2B4 B6 Alloantigen; Ly90; NAIL; Nmrk; SLAMF4|
|rIL-2-propagated NK1.1+ cells from C57BL/6 mice|
|The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography.|
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