Reactivity | MuSpecies Glossary |
Applications | Binding Activity |
Format | Carrier-Free |
Details of Functionality | Measured by its binding ability in a functional ELISA. Immobilized Recombinant Mouse Neurturin (Catalog # 477-MN) at 1 μg/mL binds Recombinant Mouse GFR alpha ‑2/GDNF R alpha ‑2 Fc Chimera with an apparent KD <5 nM. |
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Source | Mouse myeloma cell line, NS0-derived mouse GFR alpha-2/GDNF R alpha-2 protein
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Accession # | |||||||||
N-terminal Sequence | Ser22 |
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Protein/Peptide Type | Recombinant Proteins |
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Gene | Gfra2 |
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Purity | >95%, by SDS-PAGE under reducing conditions and visualized by silver stain |
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Endotoxin Note | <1.0 EU per 1 μg of the protein by the LAL method. |
Dilutions |
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Theoretical MW | 74 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. |
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SDS-PAGE | 90 kDa, reducing conditions |
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Publications |
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Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Buffer | Lyophilized from a 0.2 μm filtered solution in PBS. |
Purity | >95%, by SDS-PAGE under reducing conditions and visualized by silver stain |
Reconstitution Instructions | Reconstitute at 100 μg/mL in sterile PBS. |
Glial cell line-derived growth factor (GDNF), neurturin (NTN), persephin (PSP) and artemin, distant members of the TGF-beta superfamily, are neurotrophic factors for a variety of neuronal populations in the central and peripheral nervous systems. The bioactivities of GDNF and NTN are mediated through a receptor complex composed of the non ligand-binding signaling subunit (c-Ret receptor tyrosine kinase) and either of two ligand binding subunits, GDNF receptor alpha -1 (GFR alpha -1, also known as Trn R1) or GFR alpha -2 (also known as Trn R2). GFR alpha -1 and -2 are members of a family of at least four cysteine-rich glycosyl-phosphatidylinositol (GPI)-linked cell surface proteins that share conserved placements of many of their cysteine residues. Binding of GDNF or NTN to membrane-associated GFR alpha -1 or GFR alpha -2 initiates the association with and activation of the Ret tyrosine kinase.
Mouse GFR alpha -2 cDNA encodes a 463 amino acid (aa) residue protein with a putative N-terminal 21 aa residue hydrophobic signal peptide. Like other GPI-linked proteins, rat GFR alpha -2 has a C-terminal hydrophobic region which is preceded by a 3 aa residue (SGS) GPI-binding site. Human GFR alpha -2 shares 96.5% amino acid identity with mouse GFR alpha -2. The expression of the various GFR alpha s are differentially regulated in the central and peripheral nervous system, suggesting complementary roles for the GFR alpha s in mediating the activities of the GDNF family of neurotrophic factors.
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