Recombinant Human FGF basic/FGF2 (145 aa) GMP Protein, CF GMP
R&D Systems, part of Bio-Techne | Catalog # 3718-GMP
Animal-Free.
Key Product Details
Product Specifications
Source
E. coli-derived human FGF basic/FGF2/bFGF protein
Pro143-Ser288
Produced using non-animal reagents in an animal-free laboratory. Manufactured and tested under cGMP guidelines.
Pro143-Ser288
Produced using non-animal reagents in an animal-free laboratory. Manufactured and tested under cGMP guidelines.
Purity
>95%, by SDS-PAGE with silver staining, under reducing conditions.
Endotoxin Level
<0.01 EU per 1 μg of the protein by the LAL method.
N-terminal Sequence Analysis
Pro143-Ala-Leu-Pro-Glu-Asp-Gly-Gly-Ser-Gly
Ala144-Leu-Pro-Glu-Asp-Gly-Gly-Ser-Gly-Ala
Predicted Molecular Mass
16 kDa
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 0.1-0.6 ng/mL.
The specific activity of Recombinant Human FGF basic/FGF2 GMP is >8.0 x 105 IU/mg, which is calibrated against the human FGF basic/FGF2 WHO International Standard (NIBSC code: 90/712).
The ED50 for this effect is 0.1-0.6 ng/mL.
The specific activity of Recombinant Human FGF basic/FGF2 GMP is >8.0 x 105 IU/mg, which is calibrated against the human FGF basic/FGF2 WHO International Standard (NIBSC code: 90/712).
Host Cell Protein
< 0.5 ng per µg of protein when tested by ELISA.
Mycoplasma
Negative when tested in a ribosomal RNA hybridization assay.
Scientific Data Images for Recombinant Human FGF basic/FGF2 (145 aa) GMP Protein, CF
Recombinant Human FGF basic/FGF2 (145 aa) GMP Protein Bioactivity
GMP-grade Recombinant Human FGF basic/FGF2 (Catalog # 3718-GMP) stimulates proliferation of the NR6R‑3T3 mouse fibroblast cell line. The ED50 for this effect is 0.1-0.6 ng/mL.
Recombinant Human FGF basic/FGF2 (145 aa) GMP Protein SDS-PAGE
1 μg/lane of Recombinant Human GMP-grade FGF basic/FGF2 was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a single band at 16 kDa.
Recombinant Human FGF basic/FGF2 (145 aa) GMP Protein Mass Spectrometry
MALDI-TOF analysis of GMP-grade Recombinant Human FGF-basic/FGF2 (Catalog # 3718-GMP). The peaks at 16312 and 16409 correspond to the measured molecular weight of the intact protein. The calculated mass is 16311 Da for Ala144-Ser288 and 16408 Da for Pro143-Ser288.Formulation, Preparation and Storage
3718-GMP
| Formulation | Lyophilized from a 0.2 μm filtered solution in Tris-HCl and NaCl. |
| Reconstitution | Reconstitute at 100 μg/mL in PBS. |
| Shipping | The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below. |
| Stability & Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
|
Background: FGF basic/FGF2/bFGF
FGF basic (also known as FGF2 and HBGF-2) is an 18-34 kDa, heparin-binding member of the FGF superfamily of molecules (1-3). Superfamily members are characterized by the presence of a centrally placed beta-trefoil structure. FGF acidic (FGF-1) and FGF basic (FGF2) were the first two identified FGFs, and the designations acidic and basic refer to their relative isoelectric points. Human FGF basic is 288 amino acids (aa) in length. There are multiple start sites, four of which utilize atypical CUG codons, and one that initiates at an AUG start site (4 - 6). The four CUG start sites generate high molecular weight (HMW) FGF basic. There is a 34 kDa, 288 aa form, a 24 kDa, 210 aa form, a 22.5 kDa, 201 aa form, and a 22 kDa, 196 aa form. All are retained intracellularly, undergo extensive methylation, and possess one or more nuclear localization signals (NLS) (7-9). The AUG initiating form is 18 kDa and 155 aa in length. There is no signal sequence (ss). It is, however, secreted directly through the plasma membrane via a mechanism that appears to be dependent upon tertiary structure (10). In place of a ss, there is purportedly a 9 aa N-terminal prosegment that precedes a 146 aa mature segment (11). Early isolations of 18 kDa bovine FGF basic yielded 146 aa molecules, an effect attributed to the presence of acid proteases (12). The molecule contains a heparin-binding site (aa residues 128-144), and undergoes phosphorylation at Ser117 (13). There is also an ill-defined C-terminal NLS that may be more “functional” (or 3-dimensional) than structural (7). Human 146 aa FGF basic is 97% aa identical to mouse FGF basic (14).
References
- Sorenson, V. et al. (2006) BioEssays 28:504.
- Kardami, E. et al. (2004) Cardiovasc. Res. 63:458.
- Nugent, M.A. and R.V. Lozzo (2000) Int. J. Biochem. Cell Biol. 32:115.
- Abraham, J.A. et al. (1986) EMBO J. 5:2523.
- Prats, H. et al. (1989) Proc. Natl. Acad. Sci. USA 86:1836.
- Arnaud, E. et al. (1999) Mol. Cell. Biol. 19:505.
- Foletti, A. et al. (2003) Cell. Mol. Life Sci. 60:2254.
- Arese, M. et al. (1999) Mol. Biol. Cell 10:1429.
- Pintucci, G. et al. (1996) Mol. Biol. Cell 7:1249.
- Nickel, W. (2005) Traffic 6:607.
- SwissProt # P09038.
- Klagsbrun, M. et al. (1987) Proc. Natl. Acad. Sci. USA 84:1839.
- Bailly, K. et al. (2000) FASEB J. 14:333.
- Hebert, J.M. et al. (1990) Dev. Biol. 138:454.
Long Name
Fibroblast Growth Factor basic
Alternate Names
bFGF, FGF-2, FGF2, HBGF-2, Prostatropin
Gene Symbol
FGF2
UniProt
Additional FGF basic/FGF2/bFGF Products
Product Documents for Recombinant Human FGF basic/FGF2 (145 aa) GMP Protein, CF
Manufacturing Specifications
GMP ProteinsR&D Systems, a Bio-Techne Brand's GMP proteins are produced according to relevant sections of the following documents: USP Chapter 1043, Ancillary Materials for Cell, Gene and Tissue-Engineered Products and Eu. Ph. 5.2.12, Raw Materials of Biological Origin for the Production of Cell-based and Gene Therapy Medicinal Products.
R&D Systems' quality focus includes:
- Manufactured and tested under an ISO 9001:2015 and ISO 13485:2016 certified quality system
- Documented processes and QA control of documentation and process changes
- Personnel training programs
- Raw material testing and vendor qualification/monitoring
- Fully validated equipment, processes and test methods
- Equipment calibration schedules using a computerized calibration program
- Facility maintenance, safety programs and pest control
- Material review process for variances
- Monitoring of stability over product shelf-life
- N-terminal amino acid analysis, SDS-PAGE analysis, and endotoxin level (as determined by LAL assay) performed on each bulk QC lot, not on individual bottlings of each QC lot
- Post-bottling lot-specific bioassay results (compliance with an established range) and results of microbial testing according to USP
- Host Cell Protein testing performed by ELISA
- Mycoplasma testing by ribosomal RNA hybridization assay
Production records and facilities are available for examination by appropriate personnel on-site at R&D Systems in Minneapolis, Minnesota USA.
R&D Systems sells GMP grade products for preclinical or clinical ex vivo use. They are not for in vivo use. Please read the following End User Terms prior to using this product.
Animal-Free Manufacturing Conditions
Our dedicated controlled-access animal-free laboratories ensure that at no point in production are the products exposed to potential contamination by animal components or byproducts. Every stage of manufacturing is conducted in compliance with R&D Systems' stringent Standard Operating Procedures (SOPs). Production and purification procedures use equipment and media that are confirmed animal-free.
Production
- All molecular biology procedures use animal-free media and dedicated labware.
- Dedicated fermentors are utilized in committed animal-free areas.
- Protein purification columns are animal-free.
- Bulk proteins are filtered using animal-free filters.
- Purified proteins are stored in animal-free containers in a dedicated cold storage room.
Quality Assurance
- Low Endotoxin Level.
- No impairment of biological activity.
- High quality product obtained under stringent conditions.
Please read our complete Animal-Free Statement
Product Specific Notices for Recombinant Human FGF basic/FGF2 (145 aa) GMP Protein, CF
END USER TERMS OF USE OF PRODUCT
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For preclinical, or clinical ex vivo use
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