CD244.2 Mouse anti-Mouse, Brilliant Violet 510, Clone: 2B4, BD Optibuild™
Mouse Monoclonal Antibody
Manufacturer: BD Biosciences 740115
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™ BV510 which is part of the BD Horizon Brilliant™ Violet family of dyes. With an Ex Max of 405-nm and Em Max at 510-nm, BD Horizon BV510 can be excited by the violet laser and detected in the BD Horizon V500 (525/50-nm) filter set. BD Horizon BV510 conjugates are useful for the detection of dim markers off the violet laser.
|Brilliant Violet 510|
|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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