Common beta Chain Antibody (BION-1) - Azide and BSA Free

Novus Biologicals | Catalog # NBP3-09024

Recombinant Monoclonal Antibody
Novus Biologicals
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Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Western Blot, Block/Neutralize, Immunoprecipitation, Functional

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Mouse IgG1 kappa Clone # BION-1

Format

Azide and BSA Free
View all Common beta Chain Primary Antibodies »

Product Specifications

Immunogen

BALB/c mice were immunized intraperitonally with COS cells transfected DQP (Domain 4 of the common beta-chain) expression constructs. The immunizations were repeated 4 times at 2-week intervals. Four weeks after the final immunization, a mouse was boosted with COS transfectants intravenously. Three days later, splenocytes were harvested and fused with NS-1 myeloma cells. Hybridoma supernatants were screened on CHO DQP cells by flow cytometry, with untransfected CHO cells as a control. All antibodies were from single hybridoma clones as selected by a limiting dilution method. MoAbs were purified from ascites fluid or hybridoma supernatant by a protein A sepharose column.

Specificity

Binds to domain 4 of the common beta-chain and recognises the same binding site used by IL-5, GM-CSF and IL-3, or binds to an epitope in close proximity to it. Residues M363, R364, E366 (B-C loop) and R418 (F-G loop) in the common beta-chain are important for BION-1 binding.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1 kappa

Applications for Common beta Chain Antibody (BION-1) - Azide and BSA Free

Application
Recommended Usage

Block/Neutralize

Optimal dilutions of this antibody should be experimentally determined.

Functional

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Immunoprecipitation

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
This reformatted mouse antibody was made using the variable domain sequences of the original Mouse IgG format, for improved compatibility with existing reagents, assays and techniques.

BION-1 has been shown the block eosinophil production, survival, and activation stimulated by IL-5 as well as by GM-CSF and IL-3, thereby influencing inflammation (Sun 1999). Further, BION-1 has been used in immunohistochemistry experiments in order to examine the presence of GM-CSF-receptor protein in human 8-cell embryos and blastocysts (Sjoblom 2002). In addition, a fab fragment derived from BION-1 has been used in the crystallisation of the common beta-chain to analyse the structure of the activation domain of the GM-CSF/IL-3/IL-5 receptor (Rossjohn 200).

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

PBS

Format

Azide and BSA Free

Preservative

0.02% Proclin 300

Concentration

1 mg/ml

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.

Background: Common beta Chain

Interleukin-3 receptor (IL-3R) is a heterodimer cytokine composed of alpha chain and beta chain. IL-3R beta subunit (CD131, beta C) is a common shared beta chain of the receptor for granulocyte- macrophage colony-stimulating factor (GM-CSF) and IL-5 (1). While the beta chain can not bind to the ligand alone, but it is essential for high affinity ligand binding (2). The cytoplasmic portion of the beta chain contains the major domains necessary for ligand-induced proliferation (3). IL-3R beta is expressed in neutrophil, eosinophil, monocyte, and hematpoietic stem cells. A point mutation leading to defective IL-3R beta expression has been associated to Human pulmonary alveolar proteinosis (PAP), a rare cause of respiratory failure (4).

Alternate Names

CD131, CSF2RB, GM-CSF R beta, IL-3 R beta, IL-5 R beta

Gene Symbol

CSF2RB

Additional Common beta Chain Products

Product Documents for Common beta Chain Antibody (BION-1) - Azide and BSA Free

Certificate of Analysis

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Product Specific Notices for Common beta Chain Antibody (BION-1) - Azide and BSA Free

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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Protocols

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FAQs

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Associated Pathways

Jak/STAT Signaling Pathway Jak/STAT Signaling Pathway Thumbnail