Human EphB3 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human EphB3 in direct ELISAs and Western blots. In Western blots, 100% cross-reactivity with recombinant mouse (rm) EphB3, 25% cross‑reactivity with rmEphB2, and no cross-reactivity with recombinant human (rh) EphA1, A2, A5, A6, A10, rmEphA3, A4, A7, B4, B6, or recombinant rat EphB1.
  • Source
    Monoclonal Mouse IgG2B Clone # 647308
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human EphB3
    Leu38-Ala550
    Accession # P54753
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
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.
Data Examples
Detection of Human EphB3 by Western Blot. Western blot shows lysates of A431 human epithelial carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human EphB3 Monoclonal Antibody (Catalog # MAB5667) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for EphB3 at approximately 130 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
  • Reconstitution
    Sterile PBS to a final concentration of 0.5 mg/mL.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: EphB3

EphB3, also known as Cek10, Tyro6, Sek4, Hek2, and Mdk5, is a 130 kDa member of the transmembrane Eph receptor tyrosine kinase family. The A and B classes of Eph proteins are distinguished by Ephrin ligand binding preference but have a common structural organization. Eph-Ephrin interactions are widely involved in the regulation of cell migration, tissue morphogenesis, and cancer progression (1). The 526 amino acid (aa) extracellular domain (ECD) of mature human EphB3 contains a ligand binding domain followed by a cysteine rich region and two fibronectin type III domains. The 418 aa cytoplasmic domain contains a tyrosine kinase domain, a sterile alpha motif (SAM), and a PDZ binding motif (2). Within the ECD, human EphB3 shares 96% aa sequence identity with mouse and rat EphB3. Binding of EphB3 to its ligands Ephrin-B1, B2, and B3 triggers forward signaling through EphB3 as well as reverse signaling through the Ephrin (1, 3). EphB3 also interacts in cis with the receptor tyrosine kinase Ryk (4). Activation of its kinase is required for some but not all of the effects of EphB3 on cellular adhesion, motility, and morphology (5). EphB3 is widely expressed during development and in the adult; it shows a complementary tissue distribution to the Ephrin-B ligands (6‑9). EphB3 function is important in vascular, nervous system, thymocyte, and palate development (6, 7, 10‑12). It directs embyronic neuronal axon pathfinding, and its upregulation on local macrophages following neuronal injury promotes the growth of regenerating axons (10, 13). EphB3 inhibits colorectal carcinogenesis and invasion by preventing the migration of tumor cells out of the intestinal crypt (9, 14). EphB3 function is supported by the cooperative action of EphB2 in several of these processes (6, 10‑12, 15).

  • References:
    1. Pasquale, E.B. (2008) Cell 133:38.
    2. Bohme, B. et al. (1993) Oncogene 8:2857.
    3. Pasquale, E.B (2004) Nat. Neurosci. 7:417.
    4. Trivier, E. and T.S. Ganesan (2002) J. Biol. Chem. 277:23037.
    5. Miao, H. et al. (2005) J. Biol. Chem. 280:923.
    6. Adams, R.H. et al. (1999) Genes Dev. 13:295.
    7. Krull, C.E. et al. (1997) Curr. Biol. 7:571.
    8. Willson, C.A. et al. (2006) J. Mol. Histol. 37:369.
    9. Cortina, C. et al. (2007) Nature Genet. 39:1376.
    10. Birgbauer, E. et al. (2000) Development 127:1231.
    11. Alfaro, D. et al. (2008) Immunology 125:131.
    12. Risley, M. et al. (2009) Mech. Dev. 126:230.
    13. 13. Liu, X. et al. (2006) J. Neurosci. 26:3087.
    14. 14. Batlle, E. et al. (2005) Nature 435:1126.
    15. 15. Holmberg, J. et al. (2006) Cell 125:1151.
  • Long Name:
    Eph Receptor B3
  • Entrez Gene IDs:
    2049 (Human); 13845 (Mouse)
  • Alternate Names:
    Cek10; EC 2.7.10; EC 2.7.10.1; EK2; EPH receptor B3; EphB3; EPH-like kinase 2; EPH-like tyrosine kinase-2; ephrin type-B receptor 3; ETK2Hek2; Hek2; human embryo kinase 2; Mdk5; Sek4; Tyro6; Tyrosine-protein kinase TYRO6
Related Research Areas
Isotype Controls
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Mouse IgG2B Isotype Control

Ctrl MAB004 32  
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Mouse IgG2B Isotype Control

Ctrl MAB0041 7  
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Mouse IgG2B Isotype Control

Ctrl MAB0042 6
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 26  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 10  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow, IHC, ICC NL007 9
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 2  
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Mouse IgG Antibody

WB AF007 4
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Rat Anti-Mouse IgG2B APC-conjugated Antibody

Flow F0133 1  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Rat Anti-Mouse IgG2B Fluorescein-conjugated Antibody

Flow F0134 1
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Rat Anti-Mouse IgG2B PE-conjugated Antibody

Flow F0132  
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Mouse IgG2B Antibody

Flow MAB0043  
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