Recombinant Human FGF-6 (aa 67-208) Protein

Carrier Free

Catalog # Availability Size / Price Qty
6829-F6-025/CF

With Carrier

Catalog # Availability Size / Price Qty
6829-F6-025
R&D Systems Recombinant Proteins and Enzymes
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Recombinant Human FGF-6 (aa 67-208) Protein Summary

Product Specifications

Purity
>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
Activity
Measured in a cell proliferation assay using NR6R‑3T3 mouse fibroblast cells. Rizzino, A. et al. (1988) Cancer Res. 48:4266; Thomas, K. et al. (1987) Methods Enzymol. 147:120. The ED50 for this effect is 10-80 pg/mL in the presence of 1 µg/mL of heparin.
Source
E. coli-derived human FGF-6 protein
Gly67-Ile208
Accession #
N-terminal Sequence
Analysis
Gly67
Structure / Form
Monomer
Predicted Molecular Mass
16.1 kDa
SDS-PAGE
15 kDa, reducing conditions

Product Datasheets

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6829-F6 (with carrier)

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6829-F6/CF (carrier free)

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.

6829-F6

Formulation Lyophilized from a 0.2 μm filtered solution in MES, Na2S04, NaCl and CHAPS with BSA as a carrier protein.
Reconstitution Reconstitute at 100 μg/mL in PBS containing at least 0.1% human or bovine serum albumin.
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.

6829-F6/CF

Formulation Lyophilized from a 0.2 μm filtered solution in MES, Na2S04, NaCl and CHAPS.
Reconstitution Reconstitute at 100 μg/mL in 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.
Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: FGF-6

Fibroblast Growth Factor-6 (FGF-6), also known as HST-2, is a 25-28 kDa member of the FGF family of heparin binding polypeptides which are potent regulators of cell proliferation, differentiation, and function. FGF proteins contain a 120 amino acid (aa) core FGF domain that exhibits a beta -trefoil structure (1, 2). Mature human FGF-6 is a 171 aa protein that shares 94% aa sequence identity with mouse and rat FGF-6 (3). It binds and signals primarily through FGF R1c, 2c, and 4 (4). FGF-6 functions as a mitogen for fibroblasts, vascular endothelial cells, and prostate carcinoma cells, and N-linked glycosylation is required for the full mitogenic effect (5‑7). FGF-6 expression is restricted to skeletal muscle during development, although it can be upregulated in prostate cancer and Kaposi sarcoma (7-9). In the adult, FGF-6 is upregulated in injured skeletal muscle and is required for muscle regeneration (10). FGF-6 inhibits the terminal differentiation of myoblasts and also cooperates with TGF-beta 2 to promote chondrogenesis in embryonic somites (8, 11).

References
  1. Wiedlocha, A. and V. Sorensen (2004) Curr. Top. Microbiol. Immunol. 286:45.
  2. Mohammadi, M. et al. (2005) Cytokine Growth Factor Rev. 16:107.
  3. Marics, I. et al. (1989) Oncogene 4:335.
  4. Ornitz, D.M. et al. (1996) J. Biol. Chem. 271:15292.
  5. Pizette, S. et al. (1991) Cell Growth Differ. 2:561.
  6. Asada, M. et al. (1999) Growth Factors 16:293.
  7. Ropiquet, F. et al. (2000) Cancer Res. 60:4245.
  8. de Lapeyriere, O. et al. (1993) Development 118:601.
  9. Li, J. et al. (1993) Cancer 72:2253.
  10. Floss, T. et al. (1997) Genes Dev. 11:2040.
  11. Grass, S. et al. (1996) Development 122:141.
Long Name
Fibroblast Growth Factor 6
Entrez Gene IDs
2251 (Human); 14177 (Mouse); 170700 (Rat)
Alternate Names
FGF6; FGF-6; fibroblast growth factor 6; HBGF-6; Heparin secretory-transforming protein 2; Heparin-binding growth factor 6; HST2; HST-2; HSTF2; HSTF-2

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