Recombinant Mouse Ephrin-B2 Fc Chimera Protein, CF Summary
Details of Functionality |
Measured by its ability to compete with Biotinylated Recombinant Mouse Ephrin‑B2 Fc Chimera (Catalog # BT496) for binding with immobilized Recombinant Mouse EphB2 Fc Chimera (Catalog # 467-B2) in a functional ELISA assay. Optimal dilutions should be determined by each laboratory for each application. |
Source |
Mouse myeloma cell line, NS0-derived mouse Ephrin-B2 protein
Mouse Ephrin-B2 (Arg27-Ala227) Accession # AAA82934 |
DIEGRMD |
Human IgG1 (Pro100-Lys330) |
6-His tag |
N-terminus |
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C-terminus |
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Accession # |
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N-terminal Sequence |
Arg27 |
Structure / Form |
Disulfide-linked homodimer |
Protein/Peptide Type |
Recombinant Proteins |
Gene |
Efnb2 |
Purity |
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Endotoxin Note |
<0.10 EU per 1 μg of the protein by the LAL method. |
Applications/Dilutions
Dilutions |
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Theoretical MW |
49.6 kDa (monomer). Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
SDS-PAGE |
60-65 kDa, reducing conditions |
Publications |
Read Publications using 496-EB in the following applications:
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Packaging, Storage & Formulations
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.
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Buffer |
Lyophilized from a 0.2 μm filtered solution in PBS. |
Purity |
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining. |
Reconstitution Instructions |
Reconstitute at 100 μg/mL in sterile PBS. |
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Mouse Ephrin-B2 Fc Chimera Protein, CF
Background
Ephrin‑B2, also known as Htk‑L, ELF‑2, LERK‑5, and NLERK‑1, is a 40 kDa member of the Ephrin‑B family of transmembrane ligands that bind and induce the tyrosine autophosphorylation of Eph receptors. The extracellular domains of Ephrin‑B ligands are structurally related to GPI‑anchored Ephrin‑A ligands. Eph‑Ephrin interactions are widely involved in the regulation of cell migration, tissue morphogenesis, and cancer progression. Ephrin‑B2 preferentially interacts with receptors in the EphB family (1, 2). Mature mouse Ephrin‑B2 consists of a 204 amino acid (aa) extracelluar domain (ECD), a 21 aa transmembrane segment, and an 83 aa cytoplasmic domain [Cerretti 1197, Bergemann 4921, Bennett 1866]. Within the ECD, mouse Ephrin‑B2 shares 97% and 98% aa sequence identity with human and rat Ephrin‑B2, respectively. Ephrin‑B2 is expressed presynaptically on neurons (6, 7). It promotes presynaptic development, EphB2 shedding, axonal growth cone collapse, and neurite repulsion, and also regulates inflammatory and neuropathic pain (6‑8). Ephrin‑B2 is expressed by vascular mural cells and arterial vascular and lymphatic endothelium (9, 10). It exerts proliferative and migratory effects on these cells during angiogenesis and lymphangiogenesis in part by regulating the signaling activity of VEGF R2 and VEGF R3 (8‑11). Ephrin‑B2 plays a role in the immune response by mediating monocyte extravasation and T cell costimulation (12, 13). It is up‑regulated in invasive cancers and promotes tumor cell migration, invasion, and tumor angiogenesis (14‑16). It functions as a cellular entry receptor for Hendra and Nipah viruses (17). Ephrin‑B2 is also important for the separation of the urinary and intestinal tracts during development (18).
- Miao, H. and B. Wang (2009) Int. J. Biochem. Cell Biol. 41:762.
- Pasquale, E.B. (2010) Nat. Rev. Cancer 10:165.
- Cerretti, D.P. et al. (1995) Mol. Immunol. 32:1197.
- Bergemann, A.D. et al. (1995) Mol. Cell. Biol. 15:4921.
- Bennett, B.D. et al. (1995) Proc. Natl. Acad. Sci. 92:1866.
- McClelland, A.C. et al. (2009) Proc. Natl. Acad. Sci. 106:20487.
- Zhao, J. et al. (2010) Mol. Pain 6:77.
- Lin, K.-T. et al. (2008) J. Biol. Chem. 283:28969.
- Foo, S.S. et al. (2006) Cell 124:161.
- Wang, Y. et al. (2010) Nature 465:483.
- Sawamiphak, S. et al. (2010) Nature 465:487.
- Pfaff, D. et al. (2008) J. Cell Sci. 121:3842.
- Yu, G. et al. (2003) J. Immunol. 171:106.
- Meyer, S. et al. (2005) Int. J. Oncol. 27:1197.
- Nakada, M. et al. (2010) Int. J. Cancer 126:1155.
- Liu, W. et al. (2004) Br. J. Cancer 90:1620.
- Bonaparte, M.I. et al. (2005) Proc. Natl. Acad. Sci. 102:10652.
- Dravis, C. et al. (2004) Dev. Biol. 271:272.
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