"FGF21" Related Products

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Recombinant Bovine Fibroblast Growth Factor 21

Cat. No.: FGF21-626B
Product Overview: Fibroblast Growth Factor -21 Bovine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 182 amino acids, having a molecular weight of 19.5 kDa. The FGF-21 is purified by proprietary chromatographic techniques.
Description: The FGFs are a family of more than 20 small (~17?C26 kDa) secreted peptides. The initial characterization of these proteins focused on their ability to stimulate fibroblast proliferation. This mitogenic activity was mediated through FGF receptors (FGFRs) 1, 2, or 3. A fourth closely related tyrosine kinase receptor (FGFR4) was able to bind the FGFs but did not lead to a mitogenic response.FGF-21 is preferentially expressed in liver, but an exact knowledge of FGF-21 bioactivity and its mode of action have been lacking to date. FGF-21 is a potent activator of glucose uptake on adipocytes, protects animals from diet-induced obesity when overexpressed in transgenic mice, and lowers blood glucose and triglyceride levels when therapeutically administered to diabetic rodents.
Source: Bovine
Host: Escherichia Coli
Form: The protein was lyophilized from a concentrated (0.8 mg/ml) solution with 0.4 mg/ml of NaHCO3, pH 8.
Purity: Greater than 98.0% as determined by: (a) Analysis by Gel Filtration. (b) Analysis by SDS-PAGE.
Physical Appearance: Sterile Filtered white lyophilized powder.
Solubility: It is recommended to reconstitute the lyophilized Bovine FGF-21 in sterile water or 0.4% NaHCO3, not less than 100µg/ml, which can then be further diluted to other aqueous solutions, preferably in presence of carrier protein.
Amino acid sequence: The sequence of the first five N-terminal amino acids was determined and was found to be Ala-His-Pro-Ile-Pro.
Protein content: Bovine FGF-21 quantitation was carried out by two independent methods1. UV spectroscopy at 280 nm using the absorbency value of 0.47 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 standard solution of FGF-21 Recombinant as a Reference Standard.
Storage: Lyophilized FGF-21 Bovine Recombinant although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Fibroblast Growth Factor 21 should be stored at 4°C between 2-7 days and for future use below -18°C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please prevent freeze-thaw cycles.
Gene Name: FGF21 fibroblast growth factor 21 [ Bos taurus ]
Official Symbol: FGF21
Synonyms: FGF21; fibroblast growth factor 21
Gene ID: 785576
mRNA Refseq: XM_001789587
Protein Refseq: XP_001789639
Pathway: MAPK signaling pathway; Melanoma; Pathways in cancer; Regulation of actin cytoskeleton

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