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Your Position: Home > Bio-Markers & CD Antigens > Ephrin-A4 > Human Ephrin A4 /EFNA4 Protein,C-Fc Tag

Human Ephrin-A4 / EFNA4 Protein, Fc Tag

  • Synonym
    EFNA4,EPLG4,LERK4,Ephrin-A4
  • Source
    Human Ephrin-A4, Fc Tag (EA4-H5250) is expressed from human 293 cells (HEK293). It contains AA Leu 26 - Gly 171 (Accession # AAI07484).
    Predicted N-terminus: Leu 26
  • Molecular Characterization
    Ephrin-A4(Leu 26 - Gly 171) AAI07484

    This protein carries a human IgG1 Fc tag at the C-terminus.

    The protein has a calculated MW of 43 kDa. The protein migrates as 48 kDa and 34 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, pH7.5. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    No activity loss is observed after storage at:

    1. 4-8°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Human Ephrin-A4, Fc Tag (Cat. No. EA4-H5250) SDS-PAGE gel

Human Ephrin-A4, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

  • Background
    Ephrin-A4 (EFNA4) is also known as EPH-related receptor tyrosine kinase ligand 4 (LERK4), EPLG4, which belongs to the ephrin family. EFNA4 contains one ephrin RBD (ephrin receptor-binding) domain. EFNA4 is cell surface GPI-bound ligand for Eph receptors, a family of receptor tyrosine kinases which are crucial for migration, repulsion and adhesion during neuronal, vascular and epithelial development. EFNA4 binds promiscuously Eph receptors residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. EFNA4 may play a role in the interaction between activated B-lymphocytes and dendritic cells in tonsils.
  • References
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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