Mouse 2B4/CD244/SLAMF4 Biotinylated Antibody

Catalog # Availability Size / Price Qty
BAF1050
Product Details
Citations (1)
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Mouse 2B4/CD244/SLAMF4 Biotinylated Antibody Summary

Species Reactivity
Mouse
Specificity
Detects mouse 2B4/CD244/SLAMF4 in Western blots. In Western blots, approximately 5% cross‑reactivity with recombinant human 2B4 is observed and less than 1% cross-reactivity with recombinant human SLAM is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant mouse 2B4
Met1-Asn221
Accession # Q3UV86
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Label
Biotin

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Mouse 2B4/CD244/SLAMF4 Fc Chimera (Catalog # 3514-2B)
Flow Cytometry
2.5 µg/106 cells
Mouse NK1.1+ splenocytes
Immunohistochemistry
5-15 µg/mL
Perfusion fixed frozen sections of mouse small intestine (Peyer's patch) and thymus

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
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.

Background: 2B4/CD244/SLAMF4

2B4, also known as CD244 and SLAMF4, is a 66 kDa type I transmembrane glycoprotein in the SLAM subgroup of the CD2 protein family. SLAM family proteins have an extracellular domain (ECD) with two or four Ig-like domains and at least two cytoplasmic immunoreceptor tyrosine-based switch motifs (ITSMs). 2B4 interacts with CD48, while other SLAM family proteins interact in a homophilic manner (1‑4). The mouse 2B4 cDNA encodes a 397 amino acid (aa) precursor that includes a 19 aa signal sequence, a 207 aa ECD with one Ig-like V-type and one C2-type Ig-like domain, a 21 aa transmembrane segment, and a 150 aa cytoplasmic domain with four ITSMs (5, 6). A short splice variant of mouse 2B4 contains only one ITSM (6). Within the ECD, mouse 2B4 shares 46% and 68% aa sequence identity with human and rat 2B4, respectively. The ECD of mouse 2B4 shares 17‑26% aa sequence identity with comparable regions of mouse BLAME, CD2F-10, CD84, CD229, CRACC, NTB-A, and SLAM. 2B4 is expressed on all NK cells, gamma δ T cells, monocytes, some CD4+ and CD8+ T cells, and dendritic cells (7). CD48 mediates 2B4+ cell interactions with nearly all hematopoietic cell types, including cells of the same type (8‑10). 2B4/CD48 signaling cooperates with other receptor systems to either promote or inhibit NK and CD8+ T cell activation (7‑13). The inhibitory activities are distinct from those of MHC I restricted inhibitory NK cell receptors (12, 13). Ligation of 2B4 with antibodies or CD48 constructs can directly trigger inhibitory signaling or disrupt an inhibitory interaction, leading to cellular activation (9, 12). 2B4 can also induce signaling through CD48 (10, 14). The inhibitory effect is associated with the long form of 2B4, while activation is associated with the short form (9, 15).

Entrez Gene IDs
51744 (Human); 18106 (Mouse); 685808 (Rat); 102132700 (Cynomolgus Monkey)
Alternate Names
2B4; CD244 antigen; CD244 molecule, natural killer cell receptor 2B4; CD244; h2B4; NAIL; NAILNK cell activation-inducing ligand; natural killer cell receptor 2B4; NKR2B4; NKR2B4NK cell type I receptor protein 2B4,2B4CD244 natural killer cell receptor 2B4; Nmrk; SLAMF4; SLAMF4NK cell activation inducing ligand NAIL

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Citation for Mouse 2B4/CD244/SLAMF4 Biotinylated Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Heme oxygenase-1 deficiency leads to disrupted response to acute stress in stem cells and progenitors.
    Authors: Cao YA, Wagers AJ, Karsunky H, Zhao H, Reeves R, Wong RJ, Stevenson DK, Weissman IL, Contag CH
    Blood, 2008-05-28;112(12):4494-502.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Flow Cytometry

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