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物种
Rat分子别名
Fibroblast growth factor 21Accession
Q8VI80表达序列
Ala29-Ser208
表达宿主
E.coli分子量
20kDa (Reducing)
纯度
>95% by SDS-PAGE&RP-HPLC内毒素含量
<0.1EU/μg活性
EC50 < 0.2μg/ml标记
Unconjugated标签
No Tag性状
Lyophilized Powder缓冲体系
20mM PB,500mM NaCl,pH 7.4.
溶解方法
Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.
储存条件
· 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
· 3 months, -20 to -80℃ under sterile conditions after reconstitution.
· 1 week, 2 to 8℃ under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.
文献引用
1. J Clin Invest. 2005 Jun;115(6):1627-35. . Epub 2005 May 2.
2. Exp Gerontol. 2020 Oct 1;139:111022.
Fibroblast Growth Factor 21(FGF-21) is a member of the fibroblast growth factor (FGF) family and it is involved in the modulation of cell proliferation, growth, and differentiation as well as cell metabolism. This protein is a secreted endocrine factor that functions as a major metabolic regulator, and stimulates the uptake of glucose in adipose tissue. FGF21 binds to FGFR1c complexed with β-Klotho expressed in adipocytes to activate the canonical FGF signaling pathway (ERK1/2) and the AMPK/PGC1α pathway. Therefore, FGF-21 is being pursued as a therapeutic target for diabetes and obesity.
生物活性
Measured in a cell proliferation assay using NIH-3T3 mouse embryonic fibroblast cells. The EC50 this effect is less than 0.2μg/ml in the presence of 2μg/ml recombinant Klotho β and 20μg/ml heparin.
电泳
2μg (R: reducing condition, N: non-reducing condition).
反相高效液相色谱(RP-HPLC)
96.4%
SPR
Anti-His antibody Immobilized on CM5 Chip captured Klotho β Protein, Mouse (Cat. No. UA040364), can bind FGF-21 Protein, Rat (Cat. No. UA040231) with an affinity constant of 38.48nM as determined in SPR assay.







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