Fc gamma RIIA/CD32a Antibody (7.3)

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Flow, ICC/IF, ICC/IF
Clone
7.3
Clonality
Monoclonal
Host
Mouse
Conjugate
Unconjugated
Concentration
0.2 mg/ml

Order Details

Fc gamma RIIA/CD32a Antibody (7.3) Summary

Immunogen
K562 and FcgRII+L cells
Localization
Cell Surface
Specificity
This monoclonal antibody reacts with a CD32 (FcgRII) epitope (cluster-4). It displays a stronger reaction with Daudi than with U937 cells. The epitope is located in domain 2 of FcgRIIa. Its Fab'2 fragments block immune complex binding. CD32 (FcRII) is a type 1 transmembrane glycoprotein that mediates several functions including phagocytosis, cytotoxicity, and immunomodulation as well as platelet aggregation. Three genes (A, B, and C) encode CD32 and at least 6 isoforms are generated via alternative mRNA splicing, i.e., IIa1, IIa2, IIb1, IIb2, IIb3 and IIc. Monocytes/macrophages, placental trophoblasts and endothelial cells express all isoforms. In addition, the IIb isoform is expressed by B cells, and the IIa isoform by platelets, granulocytes and, weakly, by B cells. NK cells and neutrophils express Isoform IIc. CD32 binds weakly to the Fc region of monomeric IgG but more strongly to IgG aggregates and immune complexes.
Isotype
IgG1 Kappa
Clonality
Monoclonal
Host
Mouse
Gene
FCGR2A
Purity
Protein A or G purified
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Applications/Dilutions

Dilutions
  • Flow Cytometry 1-2 ug/million cells
  • Immunocytochemistry/Immunofluorescence 1-2 ug/ml
  • Immunofluorescence 0.5 - 1.0 ug/ml
Application Notes
Optimal dilution for a specific application should be determined.
Theoretical MW
40 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

Storage
Store at 4C.
Buffer
10 mM PBS with 0.05% BSA
Preservative
0.05% Sodium Azide
Concentration
0.2 mg/ml
Purity
Protein A or G purified

Notes

200ug/ml of antibody purified from Bioreactor Concentrate by Protein A or G. Prepared in 10 mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0 mg/ml. (NBP2-47830)

Antibody with azide - store at 2 to 8C. Antibody without azide - store at -20 to -80C. Antibody is stable for 24 months. Non-hazardous.

Alternate Names for Fc gamma RIIA/CD32a Antibody (7.3)

  • CD32 antigen
  • CD32a
  • CD32MGC23887
  • CDw32fc-gamma-RIIa
  • Fc fragment of IgG, low affinity IIa, receptor (CD32)
  • Fc fragment of IgG, low affinity IIa, receptor for (CD32)
  • Fc gamma RIIA
  • FCG2
  • Fc-gamma RII-a
  • Fc-gamma-RIIa
  • FcGR
  • FCGR2
  • FCGR2A
  • FCGR2A1
  • FcgRIIA
  • FCRIIA
  • fcRII-a
  • IGFR2MGC30032
  • IgG Fc receptor II-a
  • Immunoglobulin G Fc receptor II
  • low affinity immunoglobulin gamma Fc region receptor II-a

Background

The FCGR2A gene encodes a low affinity immunoglobulin gamma Fc region receptor II-a protein that in isoform 1 is 317 amino acids long at 35 kDA and at isoform 2 is 316 amino acids long at nearly 35 kDA. These proteins are found on the surface of many immune system response cells that act as a low affinity receptor through encouraging responses against pathogens and soluble antigens. Additionally, it functions to initiate phagocytosis of opsonized antigens. FCGR2A participates in Fc-GammaR pathway, osteoclast differentiation, signaling events controlled by PTP1B, and NFAT in immune response. It is known to interact with genes SYK, FYN, HCK, LGALS3, and PIK3R1. FCGR2A is linked to lupus, thrombocytopenia, b-cell lymphomas, otitis media, adult-onset still's disease, guillain-barre syndrome, asymptomatic dengue, severe acute respiratory syndrome.

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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Product General Protocols

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Video Protocols

ICC/IF Video Protocol

FAQs for Fc gamma RIIA/CD32a Antibody (NBP2-44721). (Showing 1 - 1 of 1 FAQ).

  1. Does any of your FCGR2A antibodies (19C10, 6D11, 13G9) cross react to FCGR2B?
    • For these antibodies, we have used the full-length protein FCGR2A (NP_067674) as the immunogen and we have not mapped the epitope that is detected with each Ab yet. I did an alignment of these two proteins and they are highly conserved thus it seems likely that there will be cross-reactivity.

Secondary Antibodies

 

Isotype Controls

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Bioinformatics

Gene Symbol FCGR2A
Uniprot