Human/Rat EphA5 Alexa Fluor® 405-conjugated Antibody

Catalog # Availability Size / Price Qty
FAB541V-100UG
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Human/Rat EphA5 Alexa Fluor® 405-conjugated Antibody Summary

Species Reactivity
Human, Rat
Specificity
Detects rat EphA5 in direct ELISAs and Western blots. In direct ELISAs, 5‑15% cross reactivity with recombinant mouse (rm) EphA4 and rmEpha8 is observed and no cross-reactivity with recombinant human (rh) EphA1, rmEphA2, -A3, -A6, -A7, recombinant rat EphB1, -B2, or rmEphB3 is observed.
Source
Monoclonal Mouse IgG1 Clone # 86731
Immunogen
Mouse myeloma cell line NS0-derived recombinant rat EphA5
Ser58-Gln573 (Asp170Glu)
Accession # P54757
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Label
Alexa Fluor 405 (Excitation= 405 nm, Emission= 421 nm)

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25-1 µg/106 cells
U‑118‑MG human glioblastoma/astrocytoma 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

Shipping
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: EphA5

EphA5, also known as Ehk1, Bsk, Cek7, Hek7, and Rek7 (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. EphA5 has been shown to bind ephrin-A5, ephrin-A1,
ephrin‑A2, ephrin-A3, and ephrin-A4 (2, 3). The extracellular domains of rat EphA5 share 98.5% amino acid identity with the mouse homolog and 96.5% identity with the human homolog. 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.
Entrez Gene IDs
2044 (Human); 13839 (Mouse); 79208 (Rat)
Alternate Names
Bsk; Cek7; EC 2.7.10; EC 2.7.10.1; Ehk1; EHK-1; EHK1Hek7; EK7; EPH homology kinase 1; Eph homology kinase-1; EPH receptor A5; EphA5; EPH-like kinase 7; ephrin type-A receptor 5; Hek7; receptor protein-tyrosine kinase HEK7; Rek7; TYRO4HEK7CEK7; tyrosine-protein kinase receptor EHK-1

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