Recombinant Human FGF R1 beta (IIIb) Fc Chimera Protein, CF

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Product Details

Summary
Reactivity HuSpecies Glossary
Applications Bioactivity
Format
Carrier-Free

Order Details

Recombinant Human FGF R1 beta (IIIb) Fc Chimera Protein, CF Summary

Details of Functionality
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 FGF R1 beta protein
Human FGF R1 beta (IIIb)
(Met1-Lys221)
Accession # NP_075594
47 aa IIIb Ig domain
(His1-Pro47)
Accession # AAB19502
Human FGF R1 beta (IIIb)
(Ala270-Glu285)
Accession # NP_075594
IEGRDMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus
Accession #
N-terminal Sequence
Arg22
Structure / Form
Disulfide-linked homodimer
Protein/Peptide Type
Recombinant Proteins
Gene
FGFR1
Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
56 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
90-100 kDa, reducing conditions
Publications
Read Publications using
765-FR in the following applications:

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.
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.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human FGF R1 beta (IIIb) Fc Chimera Protein, CF

  • FGF R1 beta
  • FGFR1b

Background

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.

  1. Galzie, Z. et al. (1997) Biochem. Cell Biol. 75:669.
  2. Burke, D. et al. (1998) Trends Biochem. Sci. 23:59.

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Publications for FGF R1 beta (765-FR)(4)

We have publications tested in 3 confirmed species: Human, Mouse, Rat.

We have publications tested in 2 applications: Bioassay, phage display.


Filter By Application
Bioassay
(3)
phage display
(1)
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Human
(1)
Mouse
(2)
Rat
(1)
All Species

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Bioinformatics

Gene Symbol FGFR1
Uniprot