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Fibroblast Growth Factor 9 Active Protein | FGF9 active protein

Fibroblast Growth Factor 9, Recombinant, Human (FGF9)

Gene Names
FGF9; GAF; SYNS3; HBFG-9; MGC119914; MGC119915
Purity
Highly Purified
95% as determined by RP-HPLC, anion-exchange FPLC and/or reducing and non-reducing SDS-PAGE Silver Stained gel.
Synonyms
Fibroblast Growth Factor 9; Recombinant; Human (FGF9); FGF9 active protein
Ordering
For Research Use Only!
Host
Sf9 insect cells
Purity/Purification
Highly Purified
95% as determined by RP-HPLC, anion-exchange FPLC and/or reducing and non-reducing SDS-PAGE Silver Stained gel.
Form/Format
Supplied as a lyophilized powder without additives. Reconstitution: It is recommended to reconstitute the lyophilized Recombinant FGF-9 sterile 18M -cm H2O not less than 100ug/ml, which can then be further diluted to other aqueous solutions.
Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be
Met-Ala-Pro-Leu-Gly.
Biological Activity
Recombinant FGF-9 is fully biologically active when compared to standards. The ED50, calculated by the dose-dependent proliferation of BAF3 cells expressing FGF receptors (measured by 3H-thymidine uptake) is <0.5ng/ml, corresponding to a specific activity of 5.5 x 10e6Units/mg.
Dimers and Aggregates
1% as determined by silver-stained SDS-PAGE gel analysis.
Endotoxin Level
0.1ng/ug (IEU/ug) of Recombinant Human Fibroblast Growth Factor-9.
Protein Content
Protein quantitation was carried out by two independent methods:
1. UV spectroscopy at 280nm using the absorbency value of 0.8 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
2. Analysis by RP-HPLC, using a calibrated solution of FGF-9 as a Reference Standard.
Preparation and Storage
Lyophilized powder may be stored at 4 degree C for short-term only. Reconstitute to nominal volume by adding sterile dH2O or buffer of choice and store at -20 degree C. Reconstituted product is stable for 12 months at -20 degree C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Related Product Information for FGF9 active protein
Recombinant Human FGF-9 produced in Sf9 insect cells is a single, glycosylated, polypeptide chain containing 208 amino acids and having a molecular mass of 23kDa.
Product Categories/Family for FGF9 active protein

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
UniProt Accession #
Molecular Weight
23kD
NCBI Official Full Name
fibroblast growth factor 9
NCBI Official Synonym Full Names
fibroblast growth factor 9 (glia-activating factor)
NCBI Official Symbol
FGF9
NCBI Official Synonym Symbols
GAF; SYNS3; HBFG-9; MGC119914; MGC119915
NCBI Protein Information
glia-activating factor; FGF-9; HBGF-9; OTTHUMP00000018804; heparin-binding growth factor 9
UniProt Protein Name
Glia-activating factor
Protein Family
UniProt Gene Name
FGF9
UniProt Entry Name
FGF9_HUMAN

NCBI Description

The protein encoded by this gene is a member of the fibroblast growth factor (FGF) family. FGF family members possess broad mitogenic and cell survival activities, and are involved in a variety of biological processes, including embryonic development, cell growth, morphogenesis, tissue repair, tumor growth and invasion. This protein was isolated as a secreted factor that exhibits a growth-stimulating effect on cultured glial cells. In nervous system, this protein is produced mainly by neurons and may be important for glial cell development. Expression of the mouse homolog of this gene was found to be dependent on Sonic hedgehog (Shh) signaling. Mice lacking the homolog gene displayed a male-to-female sex reversal phenotype, which suggested a role in testicular embryogenesis. [provided by RefSeq]

Uniprot Description

Function: May have a role in glial cell growth and differentiation during development, gliosis during repair and regeneration of brain tissue after damage, differentiation and survival of neuronal cells, and growth stimulation of glial tumors.

Subunit structure: Monomer.

Subcellular location: Secreted.

Tissue specificity: Glial cells.

Post-translational modification: Three molecular species were found (30 kDa, 29 kDa and 25 kDa), cleaved at Leu-4, Val-13 and Ser-34 respectively. The smaller ones might be products of proteolytic digestion. Furthermore, there may be a functional signal sequence in the 30 kDa species which is uncleavable in the secretion step.N-glycosylated.

Involvement in disease: Defects in FGF9 are the cause of multiple synostoses syndrome type 3 (SYNS3) [

MIM:612961]. Multiple synostoses syndrome is an autosomal dominant condition characterized by progressive joint fusions of the fingers, wrists, ankles and cervical spine, characteristic facies and progressive conductive deafness. Ref.9

Miscellaneous: Biochemical analysis of the Asn-99 mutation reveals a significantly impaired FGF signaling, as evidenced by diminished activity of the MAPK1/MAPK2 pathway and decreases CTNNB1 and MYC expression when compared with wild-type protein. Binding of mutant protein to the receptor FGFR3 is severely impaired, although homodimerization of mutant to itself or wild-type is not detectably affected, providing a basis for the observed defective FGF9 signaling.

Sequence similarities: Belongs to the heparin-binding growth factors family.

Research Articles on FGF9

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Product Notes

The FGF9 fgf9 (Catalog #AAA650470) is an Active Protein produced from Sf9 insect cells and is intended for research purposes only. The product is available for immediate purchase. The amino acid sequence is listed below: The sequence of the first five N-terminal amino acids was determined and was found to be Met- Ala-Pro-Le u-Gly. It is sometimes possible for the material contained within the vial of "Fibroblast Growth Factor 9, Active Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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