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分子别名（Synonym）
FGF R2 (IIIb),FGFR2B,FGFR2
表达区间及表达系统（Source）
Human FGFR2 (IIIb), His Tag (FGB-H5223) is expressed from human 293 cells (HEK293). It contains AA Pro 154 - Leu 358 (Accession # P21802-3).
Predicted N-terminus: Pro 154
Request for sequence
蛋白结构（Molecular Characterization）
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 24.8 kDa. The protein migrates as 38-55 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（Formulation）
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
重构方法（Reconstitution）
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
存储（Storage）
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
产品数据图
电泳（SDS-PAGE）
Human FGFR2 (IIIb), His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.
SEC-MALS
The purity of Human FGFR2 (IIIb), His Tag (Cat. No. FGB-H5223) is more than 85% and the molecular weight of this protein is around 40-50 kDa verified by SEC-MALS.
Report
活性（Bioactivity）-ELISA
Immobilized Human FGFR2 (IIIb), His Tag (Cat. No. FGB-H5223) at 5 μg/mL (100 μL/well) can bind Biotinylated Human FGF basic, Tag Free with a linear range of 0.039-0.625 μg/mL (Routinely tested).
Protocol
Immobilized Human FGFR2 (IIIb), His Tag (Cat. No. FGB-H5223) at 5 μg/mL (100 μL/well) can bind VENTANA® FGFR2b (FPR2-D) Mouse Monoclonal Antibody with a linear range of 0.06-4 ng/mL (Routinely tested).
Protocol
活性（Bioactivity）-SPR
Biotinylated Human FGF-10, His,Avitag (Cat. No. FG0-H81Q7) immobilized on SA Chip can bind Human FGFR2 (IIIb), His Tag (Cat. No. FGB-H5223) with an affinity constant of 5.02 μM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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背景
Tyrosine-protein kinase that acts as cell-surface receptor for fibroblast growth factors and plays an essential role in the regulation of cell proliferation, differentiation, migration and apoptosis, and in the regulation of embryonic development. Required for normal embryonic patterning, trophoblast function, limb bud development, lung morphogenesis, osteogenesis and skin development. Plays an essential role in the regulation of osteoblast differentiation, proliferation and apoptosis, and is required for normal skeleton development. Promotes cell proliferation in keratinocytes and immature osteoblasts, but promotes apoptosis in differentiated osteoblasts. Phosphorylates PLCG1, FRS2 and PAK4. Ligand binding leads to the activation of several signaling cascades. Activation of PLCG1 leads to the production of the cellular signaling molecules diacylglycerol and inositol 1,4,5-trisphosphate. Phosphorylation of FRS2 triggers recruitment of GRB2, GAB1, PIK3R1 and SOS1, and mediates activation of RAS, MAPK1/ERK2, MAPK3/ERK1 and the MAP kinase signaling pathway, as well as of the AKT1 signaling pathway. FGFR2 signaling is down-regulated by ubiquitination, internalization and degradation. Mutations that lead to constitutive kinase activation or impair normal FGFR2 maturation, internalization and degradation lead to aberrant signaling. Over-expressed FGFR2 promotes activation of STAT1.
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