Mouse Plexin B2 Alexa Fluor® 700-conjugated Antibody

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Mouse Plexin B2 Alexa Fluor® 700-conjugated Antibody Summary

Species Reactivity
Detects mouse Plexin B2 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human Plexin B2 is observed.
Monoclonal Rat IgG2a Clone # 772417
Chinese hamster ovary cell line CHO-derived recombinant mouse Plexin B2
Accession # B2RXS4
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Alexa Fluor 700 (Excitation= 675-700 nm, Emission= 723 nm)


Recommended Concentration
Flow Cytometry
0.25-1 µg/106 cells
D3 mouse embryonic stem cell line

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: Plexin B2

Plexin B2 is a 240 kDa type I transmembrane (TM) glycoprotein of the Plexin B family of semaphorin receptors (1, 2). The mouse Plexin B2 cDNA encodes 1842 amino acids (aa) that include a 19 aa signal sequence, a 1182 aa extracellular domain (ECD), a 21 aa TM domain, and a 620 aa cytoplasmic region. The ECD contains one semaphorin domain (aa 20‑468) and three IPT repeats (aa 806‑1096). The ECD may be cleaved into two subunits, a 170 kDa alpha ‑chain (aa 20‑1168) and an 80 kDa TM beta ‑chain, that remain noncovalently linked (1). Multiple splice variants may exist. Within aa 20‑1029 in the ECD, mouse Plexin B2 shares 82%, 93%, 80% and 79% aa identity with human, rat, canine and bovine Plexin B2, respectively. The B Plexins (B1, B2 and B3) share approximately 40% aa identity with each other. Plexin B2 mRNA is expressed in proliferating cerebellar granule cell progenitors, neuroepithelium, developing neurons, growth plate chondrocytes, tooth bud inner enamel epithelium, glomeruli and mesenchyme of the developing kidney, and in germinal center B lymphocytes when T cell help is present (3‑7). Plexin B2 is often co‑expressed with Plexin B1, and the two may form heterodimers (1, 4, 6). Genetic deletion of mouse Plexin B2 results in defects in proliferation and migration of cerebellar granule cells, abnormal development of the neural tube and disorganization of the embryonic brain; these defects are not seen when Plexin B1 is deleted (8‑10). In adults, Plexin B2 is expressed in specialized vascular endothelia, pancreatic islets of Langerhans, and adrenal glands (11). Plexin B2 serves as a receptor for type 4 semaphorins, especially Sema4C and Sema4G (8‑12). B Plexins, including Plexin B2, can bind the scatter factor receptors, Met and Ron, and activate them upon semaphorin engagement (1, 13).

  1. Artigiani, S. et al. (2003) J. Biol. Chem. 278:10094.
  2. Negishi, M. et al. (2005) Cell. Mol. Life Sci. 62:1363.
  3. Friedel, R.H. et al. (2007) J. Neurosci. 27:3921.
  4. Worzfeld, T. et al. (2004) Eur. J. Neurosci. 19:2622.
  5. Zhang, M. et al. (2008) Bone 43:511.
  6. Perala, N.M. et al. (2005) Gene Expr. Patterns 5:355.
  7. Yu, D. et al. (2008) Immunol. Cell Biol. 86:3.
  8. Deng, S. et al. (2007) J. Neurosci. 27:6333.
  9. Hirschberg, A. et al. (2010) Mol. Cell. Biol. 30:764.
  10. Maier, V. et al. (2011) Mol. Cell. Neurosci. 46:419.
  11. Zielonka, M. et al. (2010) Exp. Cell Res. 316:2477.
  12. Yukawa, K. et al. (2010) Int. J. Mol. Med. 25:225.
  13. Conrotto, P. et al. (2004) Oncogene 23:5131.
Entrez Gene IDs
23654 (Human); 140570 (Mouse); 315217 (Rat)
Alternate Names
MM1; MM1KIAA0315dJ402G11.3; Nbla00445; PLEXB2; Plexin B2; plexin-B2; PLXNB2

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Product Specific Notices

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.


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