ILT2/CD85j/LILRB1 Antibody (292305) [Unconjugated]


Human peripheral blood monocytes were stained with Mouse Anti-Human LILRB1/CD85j/ILT2 Monoclonal Antibody (Catalog # MAB20171, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram) followed by more

Product Details

Reactivity HuSpecies Glossary
Applications WB, Flow, CyTOF-ready

Order Details

ILT2/CD85j/LILRB1 Antibody (292305) [Unconjugated] Summary

Mouse myeloma cell line NS0-derived recombinant human LILRB1/CD85j/ILT2
Accession # Q8NHL6
Detects human LILRB1/CD85j/ILT2 in Western blots. In Western blots, no cross-reactivity with recombinant human (rh) ILT4, rhILT5, rhLIR6 or rhLIR8 is observed.
Details of Functionality
ActivityAssaywCitation not found None None
Purity Statement
Protein A or G purified from hybridoma culture supernatant
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.


  • Western Blot 1 ug/mL
  • Flow Cytometry 0.25 ug/10^6 cells
  • CyTOF-ready
Read Publications using
MAB20171 in the following applications:

Packaging, Storage & Formulations

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.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
No Preservative
Reconstitution Instructions
Reconstitute at 0.5 mg/mL in sterile PBS.


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

Alternate Names for ILT2/CD85j/LILRB1 Antibody (292305) [Unconjugated]

  • CD85 antigen-like family member J
  • CD85j antigen
  • CD85j
  • Ig-like transcript 2
  • ILT2
  • ILT-2
  • ILT2FLJ37515
  • Immunoglobulin-like transcript 2
  • leukocyte Ig-like receptor-1
  • Leukocyte immunoglobulin-like receptor 1
  • leukocyte immunoglobulin-like receptor subfamily B member 1 soluble isoform
  • leukocyte immunoglobulin-like receptor subfamily B member 1
  • leukocyte immunoglobulin-like receptor, subfamily B (with TM and ITIM domains)
  • LILRB1
  • LIR1
  • LIR1LIR-1MIR-7CD85MIR7CD85 antigen
  • member 1
  • MIR7
  • Monocyte/macrophage immunoglobulin-like receptor 7


The immunoglobulin-like transcript (ILT) family of activating and inhibitory type immunoreceptors are expressed on many leukocyte subsets and function in the regulation of immune responses (1‑3). This family was also named leukocyte Ig-like receptors (LIR) and monocyte/macrophage Ig-like receptors (MIR). ILTs share significant homology with killer cell Ig-like receptors (KIR). The ILT genes are located on human chromosome 19q13.4 in the leukocyte receptor complex, which also include the genes encoding KIRs (4). With the exception of ILT-6, which is a soluble molecule, all ILT family members are type I transmembrane proteins having two or four extracellular Ig-like domains (2, 3). One subset of the ILT receptors (referred to as subfamily B of the LIRs) has long cytoplasmic tails containing immunoreceptor tyrosine-based inhibitory motifs (ITIMs) that inhibit signaling events by recruiting SH2-containing protein tyrosine phosphatase-1. Another subset of the ILT receptors (referred to as subfamily A of the LIRs) contains activating receptors with short cytoplasmic regions that lack signal transduction motifs. These receptors contain a basic arginine residue within their transmembrane domains, which allows association with Fc R gamma, an immunoreceptor tyrosine-based activation motif (ITAM)-bearing signal adapter protein (1‑3). ILT2, also known as LIR1, MIR7, and CD85j, is expressed on most monocytes, dendritic cells, and mature B cells (1‑3). It is also expressed on small percentages of T cells and NK cells. ILT2 has four extracellular Ig-like domains and three cytoplasmic ITIMs. It functions as an inhibitory receptor that prevents cellular activation. ILT2 has been shown to bind classical (HLA-A and -B) and nonclassical (HLA-G1, -E and -F) MHC class I molecules (MHCI) (1‑3). ILT2 also binds with high affinity to an MHC class I homologue from human cytomegalovirus (3). Ligation of ILT2 by MHC class I may function to poise cellular activation thresholds and inhibit various leukocyte effector mechanisms that are regulated by MHC class I molecules on target cells.

  1. Allen, D. et al. (2000) Immunobiol. 202:34.
  2. Colonna, M. et al. (1999) J. Leukocyte Biol. 66:375.
  3. Borges, L. and D. Cosman (2000) Cytokine Growth Factor Rev. 11:209.
  4. Young, N. et al. (2001) Immunogenetics 53:270.


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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Secondary Antibodies


Isotype Controls

Other Available Formats

Alexa Fluor 350 FAB20171U
Alexa Fluor 405 FAB20171V
Alexa Fluor 488 FAB20171G
Alexa Fluor 594 FAB20171T
Alexa Fluor 647 FAB20171R
Alexa Fluor 700 FAB20171N
Alexa Fluor 750 FAB20171S
Allophycocyanin FAB20171A
Allophycocyanin FAB20171A
Fluorescein FAB20171F
Fluorescein FAB20171F
Phycoerythrin FAB20171P
Phycoerythrin FAB20171P

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Gene Symbol LILRA5