Cat#:RP-1074HAT;Product Name:Recombinant Human FGF-21 (L174P) Protein;Synonym:Fibroblast growth factor 21;Description:The human recombinant FGF-21 protein, produced in E.coli, was fused with His tag at N Terminus. This recombinant protein was purified using our unique purification methods.;Source:E.coli;AA Sequence:29-209aa;Molecular Characterization:21.6 kDa;Purity:Greater than 90% by SDS-PAGE;Endotoxin:< 1.0 EU per ug of protein as determined by LAL method.;Bioactivity:The ED50 for this effect is < 12 ng/ml, measured in a cell proliferation assay using NIH-3T3 cell (which corresponds to > 83,000 units/ml).;Formulation:Liquid Solution;Stability:Recombinant Human FGF-21 (L174P) Protein was stable up to 1 year from date of receipt at -70℃;Concentration:1mg/mL;Storage Buffer:Recombinant Human FGF-21 (L174P) protein was supplied in 20 mM Tris-HCl buffer (pH 8.0) containing 10% glycerol;Storage:Recombinant Human FGF-21 (L174P) Protein can be stored at +4℃for 1-2 weeks. It is recommended that the recombinant protein be aliquoted for optimal storage at -20 or -70℃. Please avoid repeated freeze-thaw cycles.;Usage:For Lab Research Use Only;