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AB273516

Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free

  • BOND RX™ Validated
  • RabMAb
  • Advanced Validation
  • Recombinant
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Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (ab273516) is a rabbit recombinant monoclonal antibody provided in a PBS only buffer for easy conjugation detecting NKG2A in Western Blot, Flow Cytometry, IHC-P, mIHC. Suitable for Human.

- BSA, sodium azide, and glycerol-free for easy conjugation
- Multiplex IHC validated on the Leica BOND® MAX using Opal reagents
- Biophysical QC for unrivalled batch-batch consistency

View Alternative Names

CD159a, NKG2A, KLRC1, NKG2-A/NKG2-B type II integral membrane protein, CD159 antigen-like family member A, NK cell receptor A, NKG2-A/B-activating NK receptor

4 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)
  • IHC-P

Unknown

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)

Immunohistochemical analysis of paraffin-embedded Human gastric cancer tissue labeling NKG2A with ab260035 at 1/2000 dilution followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (ab209101). Positive staining on human gastric cancer (PMID : 11222501).The section was incubated with ab260035 for 30 mins at room temperature.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.

Secondary antibody only control : Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (ab209101).

Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab260035).

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)
  • IHC-P

Unknown

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)

Immunohistochemical analysis of paraffin-embedded Human tonsil tissue labeling NKG2A with ab260035 at 1/2000 dilution followed by a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (ab209101). Positive staining on human tonsil (PMID : 11222501). The section was incubated with ab260035 for 30 mins at room temperature.The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin.

Secondary antibody only control : Secondary antibody is a ready to use Rabbit specific IHC polymer detection kit HRP/DAB (ab209101).

Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins.

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab260035).

Flow Cytometry (Intracellular) - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)
  • Flow Cyt (Intra)

Unknown

Flow Cytometry (Intracellular) - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)

Intracellular flow cytometric analysis of 2% paraformaldehyde fixed, 0.1% Tween-20 permeabilized Human peripheral blood mononuclear cell (PBMC) cells labelling NKG2A with ab260035 at 1/500 dilution (0.1ug)/ Right compared with a Rabbit monoclonal IgG (ab172730) isotype control (Left).

A Goat anti rabbit IgG (Alexa Fluor®488, ab150077) at 1/2000 dilution was used as the secondary antibody.

Cells were stained with anti-CD56 conjugated to PE, then fixed with 2% PFA followed by intracellularly stained with rabbit IgG (Left) or ab260035 (Right).

This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab260035).

Multiplex immunohistochemistry - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)
  • mIHC

Supplier Data

Multiplex immunohistochemistry - Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (AB273516)

Fluorescence multiplex immunohistochemical analysis of the human endometrium (Formalin/PFA-fixed paraffin-embedded sections). Panel A : merged staining of anti-EpCAM (ab223582, magenta; Opal™690), anti-NKG2A (ab260035, green; Opal™520) and anti-CD31 (ab182981, red; Opal™570) on human endometrium. Panel B : anti-NKG2A stained on NK cells. Panel C : anti-CD31 stained on endothelial cells. Panel D : anti-EpCAM stained on glandular cells. Opal Polymer HRP Ms + Rb was used as a secondary antibody. The section was incubated in three rounds of staining : in the order of ab223582 at 1/500 dilution (1.008 μg/ml), ab260035 at 1/2000 dilution (0.262 μg/ml) and ab182981 at 1/4000 dilution (0.137 μg/ml) for 30 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system. The immunostaining was performed on a Leica Biosystems BOND® RX instrument with an Opal™ 4-color kit. Image acquisition was performed with Leica SP8 confocal microscope. Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0, epitope retrieval solution2) for 20 mins. DAPI (blue) was used as a nuclear counter stain. This data was developed using the same antibody clone in a different buffer formulation containing PBS, BSA, glycerol, and sodium azide (ab260035).

  • Unconjugated

    Anti-NKG2A antibody [EPR23737-127]

  • 578 PE

    PE Anti-NKG2A antibody [EPR23737-127]

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR23737-127

Isotype

IgG

Carrier free

Yes

Reacts with

Human

Applications

Flow Cyt (Intra), mIHC, IHC-P, WB

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

What is this antibody validated in?
Anti-NKG2A antibody [EPR23737-127] - BSA and Azide free (ab273516) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Flow Cytometry (Intra), Flow Cytometry (Flow Cyt), Immunohistochemistry (IHC-P), Multiplex IHC (mIHC) in Human samples.

What is the molecular weight of NKG2A?
Anti-NKG2A [EPR23737-127] - BSA and Azide free (ab273516) specifically detects a band for NKG2A (UniProt: P26715) at a molecular weight of 26kDa.

Other related products
We have a range of other formats of antibody clone [EPR23737-127] also available for your convenience: ab260035, Carrier free - ab273516, Alexa Fluor® 647 - ab300745, PE - ab323435

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Constituents: PBS
Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
Do Not Freeze

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Immune inhibitory receptor involved in self-nonself discrimination. In complex with KLRD1 on cytotoxic and regulatory lymphocyte subsets, recognizes non-classical major histocompatibility (MHC) class Ib molecule HLA-E loaded with self-peptides derived from the signal sequence of classical MHC class Ia molecules. Enables cytotoxic cells to monitor the expression of MHC class I molecules in healthy cells and to tolerate self (PubMed : 18083576, PubMed : 37264229, PubMed : 9430220, PubMed : 9486650). Upon HLA-E-peptide binding, transmits intracellular signals through two immunoreceptor tyrosine-based inhibition motifs (ITIMs) by recruiting INPP5D/SHP-1 and INPPL1/SHP-2 tyrosine phosphatases to ITIMs, and ultimately opposing signals transmitted by activating receptors through dephosphorylation of proximal signaling molecules (PubMed : 12165520, PubMed : 9485206). Key inhibitory receptor on natural killer (NK) cells that regulates their activation and effector functions (PubMed : 30860984, PubMed : 9430220, PubMed : 9485206, PubMed : 9486650). Dominantly counteracts T cell receptor signaling on a subset of memory/effector CD8-positive T cells as part of an antigen-driven response to avoid autoimmunity (PubMed : 12387742). On intraepithelial CD8-positive gamma-delta regulatory T cells triggers TGFB1 secretion, which in turn limits the cytotoxic programming of intraepithelial CD8-positive alpha-beta T cells, distinguishing harmless from pathogenic antigens (PubMed : 18064301). In HLA-E-rich tumor microenvironment, acts as an immune inhibitory checkpoint and may contribute to progressive loss of effector functions of NK cells and tumor-specific T cells, a state known as cell exhaustion (PubMed : 30503213, PubMed : 30860984).. (Microbial infection) Viruses like human cytomegalovirus have evolved an escape mechanism whereby virus-induced down-regulation of host MHC class I molecules is coupled to the binding of viral peptides to HLA-E, restoring HLA-E expression and inducing HLA-E-dependent NK cell immune tolerance to infected cells. Recognizes HLA-E in complex with human cytomegalovirus UL40-derived peptide (VMAPRTLIL) and inhibits NK cell cytotoxicity.. (Microbial infection) May recognize HLA-E in complex with HIV-1 gag/Capsid protein p24-derived peptide (AISPRTLNA) on infected cells and may inhibit NK cell cytotoxicity, a mechanism that allows HIV-1 to escape immune recognition.. (Microbial infection) Upon SARS-CoV-2 infection, may contribute to functional exhaustion of cytotoxic NK cells and CD8-positive T cells (PubMed : 32203188, PubMed : 32859121). On NK cells, may recognize HLA-E in complex with SARS-CoV-2 S/Spike protein S1-derived peptide (LQPRTFLL) expressed on the surface of lung epithelial cells, inducing NK cell exhaustion and dampening antiviral immune surveillance (PubMed : 32859121).
See full target information KLRC1

Product promise

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