Human FCRL3/FcRH3 Alexa Fluor® 488-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # FAB3126G
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Flow Cytometry
Label
Alexa Fluor 488 (Excitation = 488 nm, Emission = 515-545 nm)
Antibody Source
Monoclonal Mouse IgG1 Clone # 546828
Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human FCRL3/FcRH3
Arg14-Arg569
Accession # Q96P31
Arg14-Arg569
Accession # Q96P31
Specificity
Detects human FCRL3/FcRH3 in direct ELISAs. In direct ELISAs, less than 5% cross-reactivity with recombinant human (rh) FCRL2 and rhFCRL5 is observed, and no cross-reactivity with rhFCRL1 or recombinant mouse FCRL3/FcRH3 is observed.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG1
Scientific Data Images for Human FCRL3/FcRH3 Alexa Fluor® 488-conjugated Antibody
Detection of FCRL3/FcRH3 in Human Blood Lymphocytes by Flow Cytometry.
Human peripheral blood lymphocytes were stained with Mouse Anti-Human NCAM-1/CD56 APC-conjugated Monoclonal Antibody (Catalog # FAB2408A) and either (A) Mouse Anti-Human FCRL3/FcRH3 Alexa Fluor® 488-conjugated Monoclonal Antibody (Catalog # FAB3126G) or (B) Mouse IgG1Alexa Fluor 488 Isotype Control (Catalog # IC002G). View our protocol for Staining Membrane-associated Proteins.Applications for Human FCRL3/FcRH3 Alexa Fluor® 488-conjugated Antibody
Application
Recommended Usage
Flow Cytometry
5 µL/106 cells
Sample: Human peripheral blood lymphocytes
Sample: Human peripheral blood lymphocytes
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: FCRL3/FcRH3
FCRL3 (Fc Receptor-Like 3), also known as FcRH3, IRTA3, and SPAP2, is a 110 kDa molecule with sequence homology to classical Fc receptors. The type 1 transmembrane FCRL proteins contain from three to nine immunoglobulin-like domains. They are differentially expressed within the B cell lineage and can either promote or inhibit B cell proliferation and activation (1). Mature human FCRL3 consists of a 556 amino acid (aa) Extracellular Domain (ECD) with six Ig-like domains, a 21 aa transmembrane segment, and a 140 aa cytoplasmic domain with four Immunotyrosine Inhibitory Motifs (ITIMs) (2-4). Within the ECD, human and mouse FCRL3 share 35% aa sequence identity. Alternate splicing generates several additional isoforms with deletions or substitutions in both the extracellular and intracellular regions. These include potentially secreted forms that are truncated following the second Ig-like domain (4). FCRL3 is expressed in secondary lymphoid organs on the surface of mature naïve and memory B cells, NK cells, and B cell lines derived from chronic lymphocytic leukemias (2, 3, 5). It is upregulated on B cells following LPS or anti-CD40 stimulation (6). A polymorphism in the FCRL3 promoter induces enhanced transcription and is associated with the development of autoimmune disorders in a Japanese population (6, 7). Tyrosine phosphorylation within the ITIMs of FCRL3 enables its association with SHP-1 (4).
References
- Davis, R.S. (2007) Annu. Rev. Immunol. 25:525.
- Miller, I. et al. (2002) Blood, 99:2662.
- Davis, R.S. et al. (2001) Proc. Natl. Acad. Sci. 98:9772.
- Xu, M.-J. et al. (2002) Biochem. Biophys. Res. Commun. 293:1037.
- Polson, A.G. et al. (2006) Int. Immunol. 18:1363.
- Kochi, Y. et al. (2005) Nat. Genet. 37:478.
- Chistiakov, D.A. and A.P. Chistiakov (2007) Hum. Immunol. 68:375.
Long Name
Fc Receptor-like 3
Alternate Names
CD307c, FcRH3, IFGP3, IRTA3, SPAP2
Gene Symbol
FCRL3
UniProt
Additional FCRL3/FcRH3 Products
Product Specific Notices for Human FCRL3/FcRH3 Alexa Fluor® 488-conjugated Antibody
This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.
For research use only
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