Human EphB3 Antibody

R&D Systems | Catalog # AF5667

R&D Systems
Discontinued Product
AF5667 has been discontinued. View all EphB3 products.

Key Product Details

Species Reactivity

Human

Applications

Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Sheep IgG
View all EphB3 Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human EphB3
Leu38-Ala550
Accession # P54753

Specificity

Detects human EphB3 in direct ELISAs and Western blots. In direct ELISAs, approximately 3% cross-reactivity with recombinant mouse EphB3 is observed, and less than 1% cross-reactivity with recombinant rat EphB1, recombinant human (rh) EphB2 and rhEphB4 is observed.

Clonality

Polyclonal

Host

Sheep

Isotype

IgG

Scientific Data Images for Human EphB3 Antibody

Detection of Human EphB3 antibody by Western Blot.

Detection of Human EphB3 by Western Blot.

Western blot shows lysates of SH-SY5Y human neuroblastoma cell line. PVDF Membrane was probed with 1 µg/mL of Sheep Anti-Human EphB3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5667) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for EphB3 at approximately 110 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.

Applications for Human EphB3 Antibody

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: SH‑SY5Y human neuroblastoma cell line

Reviewed Applications

Read 1 review rated 4 using AF5667 in the following applications:

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Sterile PBS to a final concentration of 0.2 mg/mL. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: EphB3

EphB3, also known as Cek10, Tyro6, Sek4, Hek2, and Mdk5, is a 110-130 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

Alternate Names

Cek10, Hek2, Mdk5, Sek4, Tyro6

Entrez Gene IDs

2049 (Human); 13845 (Mouse)

Gene Symbol

EPHB3

UniProt

P54753 (Human)

Additional EphB3 Products

Product Documents for Human EphB3 Antibody

Certificate of Analysis

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Product Specific Notices for Human EphB3 Antibody

For research use only

Customer Reviews for Human EphB3 Antibody (1)

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  • Human EphB3 Antibody
    Name: Anonymous
    Application: ELISA
    Sample Tested: Serum and Plasma
    Species: Human
    Verified Customer | Posted 09/23/2019
    We used this antibody for developing a sandwich ELISA in combination with mAb (cat. MAB5667) and protein (cat. 5667 B3). This combination works well detecting Ephb3 in human serum.
    Human EphB3 Antibody AF5667

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