Recombinant Human FGF23 protein


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Recombinant Human FGF23 protein

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Cat.No. : FGF23-523H
Product Overview : Recombinant Human FGF23 protein was expressed in Escherichia coli.
Description : Human FGF-23 belongs to the FGF-19 subfamily which has three members FGF-19, 21, 23. All FGF family members are heparin binding growth factors with a core 120 amino acid (a.a.) FGF domain that allows for a common tertiary structure. They are classically considered to be paracrine factors and are known for their roles in tissue patterning and organogenesis during embryogenesis. By contrast, the FGF-19 subfamily has recently been shown to function in an endocrine manner. Members of this subfamily have poor ability of binding to heparin binding site which is a crucial factor in ligand-receptor complex formation. β-Klotho has been identified as co-factor required for FGF-19, 21, 23 signaling. It can obviously increase ligand-receptor affinity. FGF-23 is most highly expressed in bone, from which it circulates through the blood to regulate vitamin D and phosphate metabolism in kidney.
Source : E.coli
Species : Human
Form : Lyophilized from a 0.2μm filtered concentrated solution in PBS, pH 7.4.
Bio-activity : Fully biologically active when compared to standard. The ED50 as determined by thymidine uptake assay using FGF-receptors transfected BaF3 cells is less than 0.5 μg/ml, corresponding to a specific activity of > 2.0 × 10³ IU/mg in the presence of 0.3 μg/ml of rMuKlotho and 10 μg/ml of heparin.
Molecular Mass : Approximately 25.3 kDa, a single non-glycosylated polypeptide chain containing 227 amino acids.
Protein length : 227
Endotoxin : Less than 1 EU/µg of rHuFGF-23 as determined by LAL method.
Purity : >95% by SDS-PAGE and HPLC analysis.
Storage : Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 centigrade as supplied. 1 month, 2 to 8 centigrade under sterile conditions after reconstitution. 3 months, -20 to -70 centigrade under sterile conditions after reconstitution.
Reconstitution : We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤-20 centigrade. Further dilutions should be made in appropriate buffered solutions.
Gene Name : FGF23
Official Symbol : FGF23
Synonyms : FGF23; fibroblast growth factor 23;
Gene ID : 53406
mRNA Refseq : NM_020638.3
Protein Refseq : NP_065689.1
MIM : 605380
UniProt ID : Q9GZV9
For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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