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Human/Mouse EphA5 Antibody

Catalog #: AF3037 Datasheet / COA / SDS
Catalog # Availability Size / Price Qty
AF3037
AF3037-SP
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Human/Mouse EphA5 Antibody Summary

Species Reactivity
Human, Mouse
Specificity
Detects mouse EphA5 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 15% cross-reactivity with recombinant mouse (rm) EphA3 is observed, 10% cross-reactivity with rmEphA7 is observed, 5% cross-reactivity with rmEphA2, rmEphA4, rmEphA8, rmEphB2, rmEphB3, and recombinant rat EphB1 is observed, and less than 1% cross-reactivity with rmEphA1, rmEphB4, and rmEphB6 is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant mouse EphA5
Ser58-Pro412
Accession # Q60629
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.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Mouse EphA5 (Catalog # 3037-A5)
Flow Cytometry
0.25 µg/106 cells
U‑118‑MG human glioblastoma/astrocytoma cell line
CyTOF-ready
Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
 

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.

Reconstitution Calculator

Reconstitution Calculator

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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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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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.

Background: EphA5

EphA5, also known as Ehk1, Bsk, Cek7, Hek7, and Rek7, is a member of the Eph receptor tyrosine kinase family which binds members of the Ephrin ligand family (1‑4). The A and B class Eph proteins have a common structural organization. Activation of kinase activity occurs after membrane-bound or clustered ligand recognition and binding. Reverse signaling is propagated through the Ephrin ligand. The mouse EphA5 cDNA encodes an 877 amino acid (aa) precursor that includes a 26 aa signal sequence, a 386 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 444 aa cytoplasmic domain (5). The ECD contains an N-terminal globular domain, a cysteine-rich domain, and two fibronectin type III domains. The cytoplasmic domain contains a juxtamembrane motif with two tyrosine residues, which are the major autophosphorylation sites, a kinase domain, and a conserved sterile alpha motif (SAM) (5). Taking into account differences in splice variants between species, comparable regions of the mouse EphA5 ECD share greater than 97% aa sequence identity with bovine, human, and rat EphA5, and 27‑43% aa identity with mouse EphA1, 2, 3, 4, 6, 7, and 8. Multiple EphA5 splice variants exist and differ in their extracellular and intracellular sequences (5). Mouse EphA5 is expressed exclusively in brain with the highest levels in the hippocampus and limbic system (5). During embryonal development, EphA5 is preferentially expressed in neurons migrating away from the ventricular zone (5). The interaction of EphA5 with its ligands is also involved in the topographic projection of hippocampal, olfactory, and retinotectal neurons (6). Interference in this system by the transgenic expression of soluble EphA5 implicates hippocampal post-synaptic areas for native EphA5 function (7).

References
  1. Poliakov, A. et al. (2004) Dev. Cell 7:465.
  2. Surawska, H. et al. (2004) Cytokine Growth Factor Rev. 15:419.
  3. Pasquale, E.B. (2005) Nat. Rev. Mol. Cell Biol. 6:462.
  4. Davy, A. and P. Soriano (2005) Dev. Dyn. 232:1.
  5. Zhou, R. et al. (1994) J. Neurosci. Res. 37:129.
  6. Zhou, R. (1997) Cell Tissue Res. 290:251.
  7. Martinez, A. et al. (2005) Neuroscience 135:451.
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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