Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Flow Cytometry

Cited:

Flow Cytometry

Label

Phycoerythrin (Excitation = 488 nm, Emission = 565-605 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # 539304
View all KIR3DL2/CD158k Primary Antibodies »

Product Specifications

Immunogen

BaF3 mouse pro-B cell line transfected with human KIR3DL2/CD158k
Accession # P43630

Specificity

Detects human KIR3DL2/CD158k in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Scientific Data Images for Human KIR3DL2/CD158k PE‑conjugated Antibody

Detection of KIR3DL2/CD158k antibody in Human PBMCs antibody by Flow Cytometry.

Detection of KIR3DL2/CD158k in Human PBMCs by Flow Cytometry.

Human peripheral blood mononuclear cells (PBMCs) were stained with Mouse Anti-Human KIR3DL2/CD158k PE-conjugated Monoclonal Antibody (Catalog # FAB2878P) and Mouse Anti-Human NCAM-1/CD56 APC-conjugated Monoclonal Antibody (Catalog # FAB2408A). Quadrant markers were set based on control antibody staining (Catalog # IC002P). View our protocol for Staining Membrane-associated Proteins.

Applications for Human KIR3DL2/CD158k PE‑conjugated Antibody

Application
Recommended Usage

Flow Cytometry

10 µL/106 cells
Sample: Human peripheral blood mononuclear cells (PBMCs)

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

Supplied in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: KIR3DL2/CD158k

KIR3DL2 (3DL2, p140, CD158k) is a type I transmembrane protein of the p70 family of killer cell Ig-like receptors (KIR). KIR are expressed on CD56dim NK cells and T cell subsets where they participate in identifying normal and abnormal cells and regulating effector functions of the innate immune system (1-4). KIR 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 inhibitory KIR, KIR3DL2 has two ITIM domains within its long tail (3). KIR3DL2 is diverse, with twelve alleles identified and as many as five single amino acid polymorphisms found in a single individual (4-6). Unlike most other KIR, gene transcripts of KIR3DL2 are expressed by all individuals (4). KIR3DL2 is present on the cell surface as a disulfide-linked homodimer of 70 kDa, 434 aa subunits (4). KIR3DL2 has shown peptide-specific binding to some HLA-A antigens, including A3 and A11 (4, 7, 8).  It also binds the abnormally folded HLA-B27 homodimer found in spondylarthritides, but not the normal heterodimer of HLA-B27 with beta 2‑microglobulin (9, 10). NK and CD4+ T cells from patients with spondylarthritides show increased KIR3DL2+ expression and may play a role in disease pathology (10). KIR3DL2 is also a marker for atypical mononuclear (Sezary) cells in the blood of patients with Sezary syndrome, an erythrodermic form of cutaneous T cell lymphoma (11). Human KIR3DL2 ECD shows 88-92% aa identity to KIR3DL2 of other primates. KIR receptors have no structural orthologs in non-primates, although mouse Ly-49 proteins are functional orthologs (3). KIR are highly related. The closest relative, KIR3DL1 shows 86% aa identity with KIR3DL2 within the ECD.

References

  1. Colonna, M. and J. Samaridis (1995) Science 268:405.
  2. Pende, D. et al. (1996) J. Exp. Med. 184:505.
  3. Lanier, L. L. (2005) Annu. Rev. Immunol. 23:225.
  4. Uhrberg, M. et al. (1997) Immunity 7:753.
  5. Meenaugh, A. et al. (2004) Tiss. Antigens 64:226.
  6. Kwon, D. et al. (2000) Mol. Cells 10:54.
  7. Dohring, C. et al. (1996) J. Immunol. 156:3098.
  8. Hansasuta, P. et al. (2004) Eur. J. Immunol. 34:1673.
  9. Kollnberger, S. et al. (2002) Arthritis Rheum. 46:2972.
  10. Chan, A. T. et al. (2005) Arthritis Rheum. 52:3586.
  11. Poszepczynska-Guigne, E. et al. (2004) J. Invest. Dermatol. 122:820.

Long Name

Killer Cell Immunoglobulin-like Receptor, Three Domain Long Cytoplasmic Tail, 2

Alternate Names

CD158k, CL-5, NKAT4A, NKAT4B

Entrez Gene IDs

3812 (Human); 245615 (Mouse)

Gene Symbol

KIR3DL2

UniProt

P43630

Additional KIR3DL2/CD158k Products

Product Documents for Human KIR3DL2/CD158k PE‑conjugated Antibody

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Product Specific Notices for Human KIR3DL2/CD158k PE‑conjugated Antibody

For research use only

Citations for Human KIR3DL2/CD158k PE‑conjugated Antibody

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