|Application ||WB, IHC-P, E|
|Other Accession||P54764, NP_031962.2|
|Calculated MW||109814 Da|
|Antigen Region||464-492 aa|
|Other Names||Ephrin type-A receptor 4, Tyrosine-protein kinase receptor MPK-3, Tyrosine-protein kinase receptor SEK-1, Epha4, Sek, Sek1|
|Target/Specificity||This Mouse Epha4 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 464-492 amino acids from the Central region of mouse Epha4.|
|Format||Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.|
|Storage||Maintain refrigerated at 2-8°C for up to 2 weeks. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||Mouse Epha4 Antibody (Center) is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Receptor tyrosine kinase which binds membrane-bound ephrin family ligands residing on adjacent cells, leading to contact-dependent bidirectional signaling into neighboring cells. The signaling pathway downstream of the receptor is referred to as forward signaling while the signaling pathway downstream of the ephrin ligand is referred to as reverse signaling. Highly promiscuous, it has the unique property among Eph receptors to bind and to be physiologically activated by both GPI-anchored ephrin-A and transmembrane ephrin-B ligands including EFNA1 and EFNB3. Upon activation by ephrin ligands, modulates cell morphology and integrin-dependent cell adhesion through regulation of the Rac, Rap and Rho GTPases activity. Plays an important role in the development of the nervous system controlling different steps of axonal guidance including the establishment of the corticospinal projections. May also control the segregation of motor and sensory axons during neuromuscular circuit development. In addition to its role in axonal guidance plays a role in synaptic plasticity. Activated by EFNA1 phosphorylates CDK5 at 'Tyr-15' which in turn phosphorylates NGEF regulating RHOA and dendritic spine morphogenesis. In the nervous system, plays also a role in repair after injury preventing axonal regeneration and in angiogenesis playing a role in central nervous system vascular formation. Additionally, its promiscuity makes it available to participate in a variety of cell-cell signaling regulating for instance the development of the thymic epithelium.|
|Cellular Location||Cell membrane; Single-pass type I membrane protein Cell projection, axon. Cell projection, dendrite. Cell junction, synapse, postsynaptic cell membrane, postsynaptic density. Early endosome Note=Clustered upon activation and targeted to early endosome|
|Tissue Location||Highest expression in the adult brain and retina and also detectable in kidney, lung, skeletal muscle and thymus. Not detected in heart and liver|
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Provided below are standard protocols that you may find useful for product applications.
Receptor for members of the ephrin-A family. Binds to ephrin-A1, -A4 and -A5. Binds more poorly to ephrin-A2 and -A3. May play a role in a signal transduction process involved in hindbrain pattern formation.
Kuwako, K., et al. Neuron 67(3):407-421(2010)
Qu, Y., et al. J. Neurosci. 30(28):9392-9401(2010)
Oginuma, M., et al. Development 137(9):1515-1522(2010)
Xie, Z., et al. Proc. Natl. Acad. Sci. U.S.A. 107(14):6510-6515(2010)
Galimberti, I., et al. Neuron 65(5):627-642(2010)
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