Fc gamma RIIIA/CD16a Antibody (DJ130c) Summary
NB100-64346 recognizes human CD16, a 50-65kD cell surface molecule, which is the low affinity receptor for IgG (FcR III). CD16 exists as a transmembranous form (Fc gammaRIIIA, or CD16A) and a glycosyl phosphatidylinositol (GPI) anchored form (Fc gammaRIIIB, or CD16B). CD16A is expressed by NK cells, some T cells, and macrophages, whereas CD16B is primarily expressed by granulocytes. In addition, CD16B exists as two allelic variants NA1 and NA2. DJ130c recognizes all polymorphonuclear cells irrespective on their NA phenotype. Studies show that the DJ130c antibody recognizes an epitope in the first membrane-distal domain of CD16 and recognizes both CD16A and CD16B.
Protein A or G purified
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- Flow Cytometry 1:10-1:1000
- Immunohistochemistry 1:10-1:500
- Immunohistochemistry-Frozen 1:10-1:500
- Immunohistochemistry-Paraffin 1:10-1:500
For IHC-Paraffin: This product requires antigen retrieval using heat treatment prior to staining of paraffin sections; sodium citrate buffer pH 6.0 is recommended for this purpose.
Packaging, Storage & Formulations
Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Phosphate buffered saline
0.09% Sodium Azide
Protein A or G purified
Alternate Names for Fc gamma RIIIA/CD16a Antibody (DJ130c)
- CD16a antigen
- Fc fragment of IgG, low affinity IIIa, receptor (CD16a)
- Fc fragment of IgG, low affinity IIIa, receptor for (CD16)
- Fc gamma receptor III-A
- Fc gamma RIIIA
- Fc-gamma receptor III-2 (CD 16)
- Fc-gamma receptor IIIb (CD16)
- Fc-gamma RIII
- Fc-gamma RIIIa
- Fc-gamma RIII-alpha
- immunoglobulin G Fc receptor III
- low affinity III, receptor for (CD16)
- low affinity immunoglobulin gamma Fc region receptor III-A
- neutrophil-specific antigen NA
The lymphocyte Fc gamma receptors recognize the Fc portion of IgG, presented either as immune complexes or as free antibody. The different classes of receptors are distinct because of varying size, tissue distribution and affinity for IgGs. The Fc type II receptor is expressed on a wide variety of cells including B cells, hematopoietic cells, monocyte/macrophages, neutrophils, platelets, Langerhans cells, eosinophils, basophils, trophoblasts, and endothelial cells of the placenta. The Fc gamma type III receptors are higher affinity than the type II and are expressed on macrophages, NK cells and neutrophils. Both types of receptors can be expressed on the same cell and in varying ratios. The receptors are constitutively expressed, although cytokines and lymphokines can modulate their expression. Besides identifying Fc gamma R+ cells, monoclonal antibodies to the Fc gamma II/III receptor have been used to block Fc receptor binding of IgG, Fc mediated signal transduction and effector functions, clearance of immune complexes and to attenuate infection by organisms dependent on Fc gamma R for parasitic invasion.
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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FAQs for Fc gamma RIIIA/CD16a Antibody (NB100-64346). (Showing 1 - 1 of 1 FAQ).
I am interested in developing a surrogate ADCC assay (FC gamma III a binding assay) for which, I would require a CD16 Recombinant Protein as an antigen and Anti-Human IgG (Fc specific) as a secondary antibody as I am planning to perform this assay in an ELISA format. With this brief description, could you please suggest me the right CD16 Recombinant Protein among the three listed products in your web site (http://www.novusbio.com/proteins/cd16). Appreciate if you can share a reference article, where the use of this protein is cited.
- The right CD16 protein for you depends on what sort of functionality you require for your assay. H00002214-P01 is made by a Taiwanese company called Abnova and we distribute it for them. They do not test the activity of their recombinant proteins. The proteins are produced in a cell-free wheat germ system with an N-terminal 26kDa GST-tag. Due to this expression system, in our experience, the proteins do not always undergo the same folding and post-transnational modifications they might undergo in an endogenous cell. Because of this, we do not recommend this protein for use in functional assays and do not guarantee them for this use. They are mainly intended for use in Western Blots and ELISA as a positive control with their antibody. NBP1-98908 is produced in E. coli and contains a His-tag and it also not guaranteed for functionality but may be due to its E. coli expression system. H00002214-G01 is also an Abnova and is made in their cell-free wheat germ expression system with proprietary liposome technology. This is a recently developed system by them and is intended to help the proteins fold and maintain functionality. Which protein would be best for you depends on what you require for your assay. Here is a link to our antibodies to the Fc region of human IgG. The best antibody for you will depend on what you would like to use for detection.
Positive Control Lysate(s)
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