ProDots Recombinant Human FGF basic (146 aa) Protein

Supplied as ready-to-use 5 ug protein balls
(1 Review)

Pre-aliquoted, lyophilized protein dots for use in cell culture medium

  • Rolls out of bottle for easy cell culture medium preparation
  • Eliminates time spent aliquoting
  • One protein dot can be used to make 500 mL of 10 ng/mL cell culture medium

Why use ProDots™ Proteins Instead of Standard Lyophilized Protein?

ProDots® proteins are designed to reduce cell culture media preparation time while ensuring optimal protein recovery and bioactivity. Unlike standard lyophilized protein, which is shipped as a diffuse residue within a vial, ProDots® proteins are neatly bundled into the shape of a ball. In this form ProDots® proteins can be rolled directly into cell culture media. ProDots® proteins rehydrate instantly in media to maximize the recovery of purchased protein and to reliably reconstitute it at a desired concentration for use in cell culture media. ProDots® proteins can be conveniently stored at room temperature where they will remain stable for 6 months or at 4 ºC where they will remain stable for 12 months. The accessible storage and high stability of ProDots® proteins makes them ideal for quick and easy preparation of cell culture media.

What are ProDots® Proteins?

ProDots® proteins are R&D Systems industry-leading quality, highly bioactive proteins packaged into easy-to-use lyophilized “dots”. Designed to be stable at 4 ºC and to dissolve instantly, ProDots® proteins can be rolled into cell culture media to quickly produce media with a desired working protein concentration.

  • Purity
    >97%, 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. Raines, E.W. et al. (1985) Methods Enzymol. 109:749.

    The ED50 for this effect is typically 0.1-0.6 ng/mL.

  • Source
    E. coli-derived Pro143 - Ser288
  • Accession #
  • N-terminal Sequence
  • Predicted Molecular Mass
    16.5 kDa

    >97%, by SDS-PAGE under reducing conditions and visualized by silver stain


For a stock solution, reconstitute at 50 μg/mL in sterile PBS, or simply roll ProDot directly into cell culture medium for immediate use.

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.
• 6 months from date of receipt at room temperature as supplied.
• 12 months from date of receipt at 2-8 °C as supplied.
• 1 month at 2-8 °C under sterile conditions after reconstitution.
• 3 months at -20 to -80 °C under sterile conditions after reconstitution.
Data Images

1 μg/lane of ProDots® Recombinant Human FGF basic was resolved with SDS-PAGE under reducing (R) and non-reducing(NR) conditions and visualized with silver staining, showing a single band at 17 kDa.

ProDots® Recombinant Human FGF basic stimulates cell proliferation of the NR6R-3T3 mouse fibroblast cell line. The ED50 for this effect is 0.1-0.6 ng/mL.

Background: FGF basic
FGF basic (FGF-2) is a growth factor that functions in angiogenesis, wound healing, tissue repair, learning and memory, and the morphogenesis of heart, bone, and brain. It is upregulated in response to inflammatory stimuli and in many tumors. FGF basic binds to FGF R1c and 2c. Its bioactivity is modulated by a number of other binding partners including heparin, Integrin alpha V beta 3, soluble FGF R1, FGF-BP, free gangliosides, Thrombospondin, Pentraxin 3/TSG-14, Fibrinogen, alpha 2-Macroglobulin, PDGF, and CXCL4/PF4. These molecules act as cellular coreceptors or adhesion partners, extracellular matrix decoys or reservoirs, and soluble scavengers or chaperones. In particular, the interaction of FGF basic with cell surface heparan sulfate proteoglycans (HSPG) is required for the binding and activation of FGF receptors.
  • Long Name:
    Fibroblast Growth Factor basic
  • Entrez Gene IDs:
    2247 (Human); 14173 (Mouse); 281161 (Bovine); 403857 (Canine); 100033955 (Equine)
  • Alternate Names:
    basic fibroblast growth factor bFGF; Basic fibroblast growth factor; bFGF; FGF2; FGF-2; FGF2AS; FGFBprostatropin; fibroblast growth factor 2 (basic); GFG1; HBGF-2; HBGH-2; heparin-binding growth factor 2; NUDT6; Prostatropin
Related Research Areas
Average Rating: 5 (Based on 1 review)

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  Anonymous 05/17/2016

Other Experimental Details

Other Experimental DetailsExcellent product. Very easy to resuspend and use.

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