Recombinant Mouse EphB4 Fc Chimera Protein, CF

R&D Systems | Catalog # 446-B4

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Key Product Details

  • R&D Systems NS0-derived Recombinant Mouse EphB4 Fc Chimera Protein (446-B4)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

NS0

Accession Number

P54761

Structure / Form

Disulfide-linked homodimer

Applications

Binding Activity
View all EphB4 Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived mouse EphB4 protein
Mouse EphB4
(Leu16-Ala539)
Accession # P54761		 DIEGRMD Human IgG1
(Pro100-Lys330)		 6-His tag
N-terminus C-terminus

Purity

>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Leu16

Predicted Molecular Mass

85.2 kDa (monomer)

SDS-PAGE

92-107 kDa, reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
Immobilized Recombinant Mouse EphB4 Fc Chimera at 2 µg/mL (100 µL/well) can bind Recombinant Mouse Ephrin‑B2 Fc Chimera (Catalog # 496-EB) with a linear range of 0.078-5 ng/mL.
Optimal dilutions should be determined by each laboratory for each application.

Formulation, Preparation, and Storage

446-B4
Formulation Lyophilized from a 0.2 μm filtered solution in PBS and EDTA with Trehalose.
Reconstitution

Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 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: EphB4

EphB4, also known as Htk, Myk1, Tyro11, and Mdk2 (1), is a member of the Eph receptor family which binds members of the ephrin ligand family. There are two classes of receptors, designated A and B. Both the A and B class receptors have an extracellular region consisting of a globular domain, a cysteine-rich domain, and two fibronectin type III domains. This is followed by the transmembrane region and cytoplasmic region. The cytoplasmic region contains a juxtamembrane motif with two tyrosine residues, which are the major autophosphorylation sites, a kinase domain, and a conserved sterile alpha motif (SAM) in the carboxy tail which contains one conserved tyrosine residue. Activation of kinase activity occurs after ligand recognition and binding. EphB4 has been shown to bind ephrin-B2 andephrin-B1 (2, 3). The extracellular domains of human and mouse EphB4 share 88% amino acid identity. Only membrane-bound or Fc-clustered ligands are capable of activating the receptor in vitro. While soluble monomeric ligands bind the receptor, they do not induce receptor autophosphorylation and activation (2). In vivo, the ligands and receptors display reciprocal expression (3). It has been found that nearly all receptors and ligands are expressed in developing and adult neural tissue (3). The Eph/ephrin families also appear to play a role in angiogenesis (3).

References

  1. Eph Nomenclature Committee [letter] (1997) Cell 90:403.
  2. Flanagan, J.G. and P. Vanderhaeghen (1998) Annu. Rev. Neurosci. 21:309.
  3. Pasquale, E.B. (1997) Curr. Opin. Cell Biol. 9:608.

Long Name

Eph Receptor B4

Alternate Names

Htk, Mdk2, Myk1, Tyro11

Entrez Gene IDs

2050 (Human); 13846 (Mouse)

Gene Symbol

EPHB4

UniProt

P54761

Additional EphB4 Products

Product Documents for Recombinant Mouse EphB4 Fc Chimera Protein, CF

Certificate of Analysis

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Product Specific Notices for Recombinant Mouse EphB4 Fc Chimera Protein, CF

For research use only

Citations for Recombinant Mouse EphB4 Fc Chimera Protein, CF

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