Recombinant Mouse RGM-B Protein, CF

Catalog # Availability Size / Price Qty
3597-RG-050
Product Details
Citations (3)
FAQs
Supplemental Products
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Recombinant Mouse RGM-B Protein, CF Summary

Purity
>90%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its binding ability in a functional ELISA. Immoblized rhBMP-4 at 1 µg/mL (100 µL/well) can bind rmRGM-B with a linear range of 0.016‑1 µg/mL.
Source
Mouse myeloma cell line, NS0-derived mouse RGM-B protein
Gly49-Asp171 (N-terminus chain) & Pro172-Ser414 (C-terminus chain), with a C-terminal 6-His tag
Accession #
N-terminal Sequence
Analysis
Gly49 (N-terminus chain) & Pro172 (C-terminus chain)
Predicted Molecular Mass
13.3 kDa (N-terminus chain), 27.8 kDa (C-terminus chain)
SDS-PAGE
20 kDa and 27 kDa, reducing conditions

Product Datasheets

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

3597-RG

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.
  • 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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Background: RGM-B

RGM-B, also known as DRAGON, is a 40 kDa member of the repulsive guidance molecule (RGM) family of GPI-linked neuronal and muscle membrane proteins (1, 2). It is synthesized as a preproprotein that consists of a 48 amino acid (aa) signal sequence, a 367 aa mature region, and a 21 aa C-terminal prosegment (3). RGM-B contains two potential N-linked glycosylation sites and an abbreviated von Willebrand factor domain. Potential proteolytic cleavage within the VWF domain is supported by R&D Systems’ in house data (4). Within the region following the VWF domain, mouse RGM-B shares 49% and 43% aa sequence identity with RGM-A and RGM-C, respectively. It shares 90%, 79%, 92%, and 93% aa sequence identity with bovine, chicken, human, and macaque RGM-B, respectively. RGM-B is expressed in the developing and adult nervous system, particularly in the dorsal root ganglia and mantle layer of the spinal cord (3 - 5). In mouse, it shows a complementary, non-overlapping distribution with RGM-A (2 - 5). RGM-B is also expressed in fetal and adult enteric ganglia and in postnatal intestinal epithelium (6). RGM-B expression has been detected in neuronal cell bodies and proximal axonal segments (4) but is also present on the cell surface, where it interacts homophilically and mediates neuronal adhesion (3). RGM-B additionally functions as a BMP coreceptor. It directly binds BMP-2 and -4 but not other TGF-beta family proteins (7). RGM-B associates with BMP type I (ALK-2, -3, -6) and type II (Activin RIIA, Activin RIIB) receptors and enhances BMP signaling (7).

References
  1. Monnier, P.P. et al. (2002) Nature 419:392.
  2. Schmidtmer, J. and D. Engelkamp (2004) Gene Exp. Patterns 4:105.
  3. Samad, T.A. et al. (2004) J. Neurosci. 24:2027.
  4. Niederkofler, V. et al. (2004) J. Neurosci. 24:808.
  5. Oldekamp, J. et al. (2004) Gene Exp. Patterns 4:283.
  6. Metzger, M. et al. (2005) Dev. Dyn. 234:169.
  7. Samad, T.A. et al. (2005) J. Biol. Chem. 280:14122.
Long Name
Repulsive Guidance Molecule B
Entrez Gene IDs
285704 (Human); 68799 (Mouse)
Alternate Names
DKFZp434P228; Dragon; DRG11-responsive axonal guidance and outgrowth of neurite; RGM domain family, member B; RGMB; RGM-B

Citations for Recombinant Mouse RGM-B Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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  1. B7-DC (PD-L2) costimulation of CD4(+) T-helper 1 response via RGMb
    Authors: X Nie, W Chen, Y Zhu, B Huang, W Yu, Z Wu, S Guo, Y Zhu, L Luo, S Wang, L Chen
    Cell. Mol. Immunol., 2017;0(0):.
    Species: Mouse
    Sample Types: Recombinant Protein
    Applications: Surface Plasmon Resonance
  2. RGMb is a novel binding partner for PD-L2 and its engagement with PD-L2 promotes respiratory tolerance.
    Authors: Xiao, Yanping, Yu, Sanhong, Zhu, Baogong, Bedoret, Denis, Bu, Xia, Francisco, Loise M, Hua, Ping, Duke-Cohan, Jonathan, Umetsu, Dale T, Sharpe, Arlene H, DeKruyff, Rosemari, Freeman, Gordon J
    J Exp Med, 2014;211(5):943-59.
  3. Repulsive guidance molecule b inhibits neurite growth and is increased after spinal cord injury.
    Authors: Liu X, Hashimoto M, Horii H, Yamaguchi A, Naito K, Yamashita T
    Biochem. Biophys. Res. Commun., 2009;382(4):795-800.
    Species: Rat
    Sample Types: Whole Cells
    Applications: Bioassay

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