KIR3DL1 Antibody (DX9) [Alexa Fluor® 350]

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow
Clone
DX9
Clonality
Monoclonal
Host
Mouse
Conjugate
Alexa Fluor 350
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.

KIR3DL1 Antibody (DX9) [Alexa Fluor® 350] Summary

Immunogen
Human KIR3DL1-expressing NK cell clone
Specificity
Detects human KIR3DL1. Did not cross-react with other KIR family members when tested against a series of KIR-expressing BaF/3 tansfectants (KIR2DL1, KIR2DL2, KIR2DL3, KIR2DL4, KIR2DS1, KIR2DS2, KIR2DS3, KIR2DS4, and KIR3DL2; Bakker, A.B.H. et al. (1998) J. Immunol. 160:5239).
Isotype
IgG1
Clonality
Monoclonal
Host
Mouse
Gene
KIR3DL1
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Flow Cytometry 0.25-1 ug/10^6 cells
Application Notes
Flow Cytometry: Please use 0.25-1 ug of conjugated antibody per 10e6 cells.

Packaging, Storage & Formulations

Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Buffer
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Preservative
0.09% Sodium Azide
Concentration
Please see the vial label for concentration. If unlisted please contact technical services.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for KIR3DL1 Antibody (DX9) [Alexa Fluor® 350]

  • AMB11
  • CD158 antigen-like family member E
  • CD158e antigen
  • CD158E
  • CD158e1
  • CD158e1/2
  • CD158e2
  • cl-11
  • cl-2
  • HLA-BW4-specific inhibitory NK cell receptor
  • killer cell immunoglobulin-like receptor 3DL1
  • killer cell immunoglobulin-like receptor, three domains, long cytoplasmic tail1,nkat3
  • killer Ig receptor
  • KIR antigen 3DL1
  • KIR3DL1
  • KIR3DL1/S1
  • KIR3DS1
  • MGC119726
  • MGC119728
  • MGC126589
  • MGC126591
  • MHC class I NK cell receptor
  • Natural killer-associated transcript 3
  • Nkat3
  • NKAT-3
  • NKAT3KIR
  • NKB1
  • NKB1B
  • NKB1CD158E1
  • NK-receptor
  • p70 killer cell inhibitory receptor
  • p70 natural killer cell receptor clones CL-2/CL-11
  • p70 NK receptor CL-2/CL-11

Background

KIR3DL1 (3DL1, previously called NKB1 or NKAT3, designated CD158e) is a 70 kDa type I transmembrane glycoprotein that belongs to the killer cell Ig-like receptor (KIR) family. KIRs are expressed on CD56dim NK cells and T cell subsets where they regulate effector functions in the innate immune system (1‑3). KIRs are named for the number of Ig-like domains (2D or 3D) in the extracellular domain (ECD), and whether they have long or short (L, S) cytoplasmic tails. Like other inhibiting KIRs, KIR3DL1 has two ITIM domains within its long tail (2). The 319 amino acid (aa) ECD of KIR3DL1 shows 97% aa identity with an activating KIR, KIR3DS1, and the two segregate as alleles (3, 4). KIR3DL1 binds to HLA antigens. This includes HLA-A and -B molecules. Among the HLA-B variants, only the Bw4 epitope, which is present within only one third of all HLA-B alleles, is recognized by KIR3DL1 (4). An NK cell expressing KIR3DL1 is prevented from killing a cell expressing the Bw4 epitope on its surface. However, if the epitope is downregulated on the cell surface due to viral infection, the NK cell is released from inhibition and now kills the infected cell. KIR genes are highly polymorphic, and specific KIR3DL1 alleles vary in surface expression and activity. For example, the allele KIR3DL1*004 is associated with slow progression to AIDS in HIV infected individuals that also express Bw4 (6). Unlike most alleles that are surface-expressed, this allele is mainly retained within the cell (7). KIR3DL1/S1 is the only KIR receptor to have an ortholog in non-primates, including selected mouse strains in which it is also called KIRL1 (KIR-like 1). Although the ECD of human KIR3DL1 shares 40‑48% aa identity with mouse, rat and bovine KIR3DL1, the transmembrane and cytoplasmic regions in the non-primate species show no obvious activating or inhibiting motifs (8, 9).

  1. Colonna, M. and J. Samaridis (1995) Science 268:405.
  2. Lanier, L. L. (2005) Annu. Rev. Immunol. 23:225.
  3. Uhrberg, M. et al. (1997) Immunity 7:753.
  4. O’Connor, G. M. et al. (2007) J. Immunol. 178:235.
  5. Thananchai, H. et al. (2007) J. Immunol. 178:33.
  6. Martin, M.P. et al. (2007) Nat. Genet. 39:733.
  7. Pando, M.J. et al. (2003) J. Immunol. 171:6640.
  8. Hoelsbrekken, S.E. et al. (2003) J. Immunol. 170:2259.
  9. Wilson, E.B. et al. (2007) Immunogenetics 59:641.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Bioinformatics

Gene Symbol KIR3DL1