rev:    October 3,2001

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RDI Divison of Fitzgerald Industries Intl  offers a wide line of  antibodies. Since no one antibody works best for all applications (flow cytometry, neutralization, blotting, histochemistry, ELISA, etc), we offer many different types of antibodies to help solve this problem. Please inquire for other applications or types of antibodies not listed below. All products are for in vitro research use only-not for use in or on humans or animals-not for use in diagnostics. Price/availability/specifications subject to change without notice.

Anti-MOUSE  CD123 (IL-3 RA)  Antibodies

DATA SHEET:   Rat anti-Mouse CD123 (IL-3 Receptor alpha Chain)

Catalog#: RDI-MCD123-5B11     $469.00/vial

Package Size: 500ug purified with 0.1% NaN3

Species: Rat IgG2ak


Antigen: not reported

Activity: This monoclonal reacts with the alpha chain of the IL-3 receptor. IL-3RA is a 60-70 kda tyep I transmembrane glycoprotein thta binds with low affinity but cannot transduce signals by itself. IL-3Ra can comlex with either of two homologues of CDw131,Bc(or AIC2B) and BIl-3 (Or AIC2A) to form high-affinity heterodimeric IL-3 receptors. Bc is the common Beta chain that can complex with the alpha chains ofIL-3R (CD123), IL-5R(CD125) and GM- CSFR (CD116) to form high-affinity receptors. BIL-3 can form high affinity interleukin receptor complexes with only IL-3RA. BIL-3 alone is specific for mouse IL-3 and binds with low affinity. The clone 5B11 Mab does not block the binding of IL-3 protein to the high affinity IL-3 receptor heterodimer.

Application: Indirect immunofluorescence cell surface staining. (<1ug/1 million cells) (since the antigen is expressed at low density on cell surfaces, it may be desirable to amplify staining with the purified antibody by using a biotinylated second-step anti-rat IgG antibody followed by a bright thrid step reagent as Strepatvidin-PE

Storage: Store at 4 DEG C.

Precautions: For In vitro research Use Only. Not for use in or on humans or animals or for diagnostics.

References: -J. Immunol 153:3014-3027 (1994)

                    -EMBO J. 14:939-950 (1995)

                    -EMBO J 11:1875-1884 (1992)

It is the responsibility of the user to comply with all local/state and Federal rules in the use of this product. We are not responsible for any patent infringements that might result with the use of or derivation of this product.

also available: PE labeled     cat#RDI-MCD123-11PE    $469.00/0.1mg

                   Biotin labeled:    cat#RDI-MCD123-11BT    $594.00/0.5mg

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RDI Divison of Fitzgerald Industries Intl

34 Junction Square Drive

Concord MA 01742-3049


phone (978) 371-6446 or (800) 370-2222

fax     (978) 371-2266