Recombinant Human FGFR1 alpha (IIIc) Fc Chimera Protein, CF

Catalog # Availability Size / Price Qty
658-FR-050

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Recombinant Human FGFR1 alpha (IIIc) Fc Chimera Protein, CF Summary

Product Specifications

Purity
>90%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to inhibit FGF acidic-dependent proliferation of NR6R‑3T3 mouse fibroblast cells. The ED50 for this effect is 1‑3 ng/mL.
Source
Mouse myeloma cell line, NS0-derived human FGFR1 alpha protein
Human FGF R1 alpha (IIIc)
(Arg22-Glu374)
Accession # NP_056934
IEGRDMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Analysis
Arg22
Structure / Form
Disulfide-linked homodimer
Predicted Molecular Mass
66 kDa (monomer)
SDS-PAGE
100-110 kDa, reducing conditions

Product Datasheets

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658-FR

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.

658-FR

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: FGFR1 alpha

Fibroblast growth factors (FGFs) comprise a family of at least eighteen structurally related proteins that are involved in a multitude of physiological and pathological cellular processes, including cell growth, differentiation, angiogenesis, wound healing and tumorgenesis. The biological activities of the FGFs are mediated by a family of type I transmembrane tyrosine kinases which undergo dimerization and autophosphorylation after ligand binding. Four distinct genes encoding closely related FGF receptors, FGF R1 - 4, are known. All four genes for FGF Rs encode proteins with an N-terminal signal peptide, three immunoglobulin (Ig)-like domains, an acid-box region containing a run of acidic residues between the IgI and IgII domains, a transmembrane domain and the split tyrosine-kinase domain. Multiple forms of FGF R1 - 3 are generated by alternative splicing of the mRNAs. A frequent splicing event involving FGF R1 and 2 results in receptors containing all three Ig domains, referred to as the alpha  isoform, or only IgII and IgIII, referred to as the beta  isoform. Only the alpha  isoform has been identified for FGF R3 and FGF R4. Additional splicing events for FGF R1 - 3, involving the C-terminal half of the IgIII domain encoded by two mutually exclusive alternative exons, generate FGF receptors with alternative IgIII domains (IIIb and IIIc). A IIIa isoform which is a secreted FGF binding protein containing only the N-terminal half of the IgIII domain plus some intron sequences has also been reported for FGF R1. Mutations in FGF R1 - 3 have been found in patients with birth defects involving craniosynostosis. The complex patterns of expression of these receptors as well as the specificity of their interactions with the various FGF ligand family members are under investigation.

References
  1. Galzie, Z. et al. (1997) Biochem. Cell Biol. 75:669.
  2. Burke, D. et al. (1998) Trends Biochem. Sci. 23:59.
Long Name
Fibroblast Growth Factor Receptor 1 alpha
Alternate Names
FGF R1a; FGFR1 alpha

Citations for Recombinant Human FGFR1 alpha (IIIc) Fc Chimera 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.

5 Citations: Showing 1 - 5
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  1. FGF21-FGFR4 signaling in cardiac myocytes promotes concentric cardiac hypertrophy in mouse models of diabetes
    Authors: C Yanucil, D Kentrup, X Li, A Grabner, K Schramm, EC Martinez, J Li, I Campos, B Czaya, K Heitman, D Westbrook, AR Wende, A Sloan, JM Roche, A Fornoni, MS Kapiloff, C Faul
    Scientific Reports, 2022-05-05;12(1):7326.
    Species: Human
    Sample Types: Recombinant Proteins
    Applications: Bioassay
  2. 2-O Heparan Sulfate Sulfation by Hs2st Is Required for Erk/Mapk Signalling Activation at the Mid-Gestational Mouse Telencephalic Midline.
    Authors: Chan W, Howe K, Clegg J, Guimond S, Price D, Turnbull J, Pratt T
    PLoS ONE, 2015-06-15;10(6):e0130147.
    Species: Mouse
    Sample Types: Whole Tissue
    Applications: Bioassay
  3. A novel immunoprecipitation strategy identifies a unique functional mimic of the glial cell line-derived neurotrophic factor family ligands in the pathogen Trypanosoma cruzi.
    Authors: Lu B, PereiraPerrin M
    Infect. Immun., 2008-06-09;76(8):3530-8.
    Species: Bacteria
    Sample Types: Trypanosoma
    Applications: PcIP
  4. Targeting the extracellular domain of fibroblast growth factor receptor 3 with human single-chain Fv antibodies inhibits bladder carcinoma cell line proliferation.
    Authors: Martinez-Torrecuadrada J, Cifuentes G, Lopez-Serra P, Saenz P, Martinez A, Casal JI
    Clin. Cancer Res., 2005-09-01;11(17):6280-90.
    Species: Human
    Sample Types: Antibody
    Applications: Surface Plasmon Resonance
  5. Cooperation between sonic hedgehog and fibroblast growth factor/MAPK signalling pathways in neocortical precursors.
    Authors: Kessaris N, Jamen F, Rubin LL, Richardson WD
    Development, 2004-02-11;131(6):1289-98.
    Species: Mouse
    Sample Types: Whole Cells
    Applications: Bioassay

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