Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<1.0 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. Immobilized Recombinant Mouse Neurturin (Catalog # ) at 1 μg/mL binds Recombinant Mouse GFR alpha ‑2/GDNF R alpha ‑2 Fc Chimera with an apparent K D <5 nM.
Source
Mouse myeloma cell line, NS0-derived
Mouse GFRa-2
(Ser22-Ser441)
Accession # Q3UUD8DIEGRMD Human IgG1
(Pro100-Lys330)6-His tag N-terminus C-terminus Accession #
N-terminal Sequence
AnalysisSer22
Predicted Molecular Mass
74 kDa (monomer)
SDS-PAGE
90 kDa, reducing conditions
429-FR |
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Formulation Lyophilized from a 0.2 μm filtered solution in PBS. | ||
Reconstitution Reconstitute at 100 μg/mL in sterile PBS. | ||
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. | ||
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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Background: GFR alpha-2/GDNF R alpha-2
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.
References:
Thompson, J. et al. (1998) Mol. Cell Neurosci. 11:117.
Trupp, M. et al. (1998) Mol. Cell Neurosci. 11:47.
Baloh, R.H. et al. (1998) Proc. Natl. Acad. Sci. USA 95:5801.
Baloh, R.H. et al. (1998) Neuron 21:1291.
Long Name:
Glial Cell line-derived Neurotrophic Factor Receptor alpha 2
Entrez Gene IDs:
2675 (Human); 14586 (Mouse)
Alternate Names:
GDNF family receptor alpha 2; GDNF family receptor alpha-2; GDNF R alpha-2; GDNF receptor alpha-2; GDNF receptor beta; GDNFR-alpha-2; GDNFR-beta; GDNFRBRET ligand 2; GFR alpha2; GFR alpha-2; GFRA2; GFRa-2; GFR-alpha 2; GFR-alpha-2; glial cell line derived neurotrophic factor receptor, beta; Neurturin receptor alpha; NRTNR-alpha; NTNRA; NTNR-alpha; PI-linked cell-surface accessory protein; RETL2TGF-beta-related neurotrophic factor receptor 2; TGF-beta related neurotrophic factor receptor 2; TRN receptor, GPI-anchored; TRNR2NRTNR-ALPHA
