Human FCRL3/FcRH3 Alexa Fluor™ Plus 405-conjugated Antibody
R&D Systems, part of Bio-Techne | Catalog # FAB3126AFP405
Conjugate
Catalog #
Key Product Details
Species Reactivity
Human
Applications
Flow Cytometry, CyTOF-ready
Label
Alexa Fluor Plus 405 (Excitation = 404 nm, Emission = 455 nm)
Antibody Source
Monoclonal Mouse IgG1 Clone # 546828
Product Specifications
Immunogen
Mouse myeloma cell line NS0-derived recombinant human FCRL3/FcRH3
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 is observed.
Clonality
Monoclonal
Host
Mouse
Isotype
IgG1
Applications
Application
Recommended Usage
CyTOF-ready
Optimal dilution of this antibody should be experimentally determined.
Flow Cytometry
Optimal dilution of this antibody should be experimentally determined.
Spectra Viewer
Plan Your Experiments
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Formulation, Preparation, and Storage
Formulation
Supplied 0.2 mg/mL 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
This conjugate is made on demand and is not held in inventory. Each order represents a unique lot. All conjugates are generated using validated conjugation protocols and meet strict degree of labeling (F/P) specifications; additional information is available upon request. The antibody concentration is provided on the individual product label.
Recommended applications are based on validated applications from the unconjugated base product MAB3126.
For specialized conjugation needs, like large quantities, specific concentrations, and defined F/P ratios, bulk and custom antibody conjugation services are available.
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.
For research use only
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