Human CD229/SLAMF3 Antibody

Catalog # Availability Size / Price Qty
AF1898
AF1898-SP
Product Details
Citations (1)
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Human CD229/SLAMF3 Antibody Summary

Species Reactivity
Human
Specificity
Detects human CD229/SLAMF3 in direct ELISAs and Western blots.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human CD229/SLAMF3
Lys48-Lys454
Accession # Q9HBG7
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human CD229/SLAMF3 (Catalog # 1898-CD)
Flow Cytometry
2.5 µg/106 cells
Human whole blood lymphocytes
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 

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.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
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.

Background: CD229/SLAMF3

CD229, also known as Ly9 and SLAMF3, is a 120 kDa type I transmembrane glycoprotein in the SLAM subgroup of the CD2 family (1). Mature human CD229 consists of a 407 amino acid (aa) extracellular domain (ECD) with two Ig‑like V-set and two Ig‑like truncated C2-set domains. It also shows a 22 aa transmembrane segment, and a 179 aa cytoplasmic domain with two immunoreceptor tyrosine-based switch motifs ITSMs (2, 3). The ECD of human CD229 shares 57%‑59% aa sequence identity with mouse and rat CD229. Within the first two Ig‑like domains that are common to all SLAM proteins, human CD229 shares 24%‑39% aa sequence identity with human 2B4, BLAME, CD2F-10, CD84, CRACC, NTB-A, and SLAM. Alternate splicing generates two additional isoforms that lack the juxtamembrane Ig‑like domain or short cytoplasmic region (2). CD229 is expressed on T and B cells, thymocytes, and more weakly on NK cells (2‑6). Homophilic binding between CD229 molecules is mediated by the N-terminal Ig‑like domain (7). Human and mouse CD229 exhibit cross-species binding (7). Antigen stimulation of lymphocytes induces CD229 clustering to sites of T cell - B cell contact (7). Two tyrosines in the cytoplasmic domain are required for association of CD229 with the adaptor proteins AP-2 (μ2 chain) and GRB-2 and both are required for CD229 internalization (8, 9). In addition, there are two ITSMs which mediate phosphorylation-dependent CD229 association with SAP and SHP-2 (10). These four tyrosine-containing motifs are intact in the described CD229 splice variants. CD229 knockout mice show minimally impaired immune responses, suggesting functional redundancy with other molecules (11).

References
  1. Bhat, R. et al. (2006) J. Leukoc. Biol. 79:417.
  2. de la Fuente, M.A. et al. (2001) Blood 97:3513. 
  3. Sandrin, M.S. et al. (1992) J. Immunol. 149:1636.
  4. Romero, X. et al. (2004) Tissue Antigens 64:132. 
  5. Hogarth, P.M. et al. (1980) Immunogenetics 11:65. 
  6. Mathieson, B.J. et al. (1980) J. Immunol. 125:2127.
  7. Romero, X. et al. (2005) J. Immunol. 174:7033.
  8. Del Valle, J.M. et al. (2003) J. Biol. Chem. 278:17430.
  9. Martin, M. et al. (2005) J. Immunol. 174:5977.
  10. Sayos, J. et al. (2001) Blood 97:3867.
  11. Graham, D.B. et al. (2006) J. Immunol. 176:291.
Long Name
SLAM Family Member 3
Entrez Gene IDs
4063 (Human); 17085 (Mouse)
Alternate Names
CD229 antigen; CD229; cell-surface molecule Ly-9; hly9; Ly9; lymphocyte antigen 9Cell surface molecule Ly-9; mLY9; SLAMF3; T-lymphocyte surface antigen Ly-9

Product Datasheets

Citation for Human CD229/SLAMF3 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. The extracellular interactome of the human adenovirus family reveals diverse strategies for immunomodulation
    Nat Commun, 2016;7(0):11473.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Western Blot

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Secondary Antibodies

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