Recombinant Human FGFR2 Protein (aa 400-821, His&GST Tag)

Name: Recombinant Human FGFR2 Protein (aa 400-821, His&GST Tag)
Brand: Beta LifeScience
SKU: BLPSN-2061
Availability: InStock

Collections: Antibody / cell therapy targets, Antibody therapeutic / adc target proteins, Cytokines and growth factors, Enzymes, Growth factors and receptors, Kinase, Recombinant proteins

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Product Overview

Tag	His&GST
Host Species	Human
Accession	NP_000132.3
Synonym	FGFR2, BBDS, BEK, BFR-1, CD332, CEK3, CFD1, ECT1, JWS, K-SAM, KGFR, TK14, TK25, fibroblast growth factor receptor 2
Background	Fibroblast growth factor receptor 2 (FGFR2) also known as CD332 (cluster of differentiation 332) is a protein that in humans is encoded by the FGFR2 gene residing on chromosome 10. FGFR2 is a receptor for fibroblast growth factor.FGFR2 has important roles in embryonic development and tissue repair, especially bone and blood vessels. Like the other members of the fibroblast growth factor receptor family, these receptors signal by binding to their ligand and dimerisation (pairing of receptors), which causes the tyrosine kinase domains to initiate a cascade of intracellular signals. FGFR2 has two naturally occurring isoforms, FGFR2IIIb and FGFR2IIIc, created by splicing of the third immunoglobulin-like domain. FGFR2IIIb is predominantly found in ectoderm derived tissues and endothelial organ lining, i.e. skin and internal organs
Description	A DNA sequence encoding the human FGFR2 (NP_000132.3) cytoplasmic domain (Met 400-Thr 821) was fused with the N-terminal His-tagged GST tag at the N-terminus.
Source	Insect Cells
Predicted N Terminal	Gln 26
AA Sequence	Met 400-Thr 821
Molecular Weight	The recombinant human FGFR2 (aa 400-821) /GST chimera consists of 659 amino acids and predictes a molecular mass of 75.7 kDa. It migrates as an approximately 68 KDa band in SDS-PAGE under reducing conditions.
Purity	>92% as determined by SDS-PAGE
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Bioactivity	1. The specific activity was determined to be 28 nmol/min/mg using Poly(Glu:Tyr) 4:1 as substrate.2. Measured by its binding ability in a functional ELISA. Immobilized recombinant human FGFR2 (aa 400-821) at 10 ug/ml (100 ul/well) can bind biotinylated human FGF acidic with a linear range of 15.6-250 ng/ml.3. Measured by its binding ability in a functional ELISA. Immobilized recombinant recombinant human FGFR2 (aa 400-821) at 10 ug/ml (100 ul/well) can bind biotinylated human FGF basic with a linear range of 0.16-1.25 ug/ml.
Formulation	Recombinant Human FGFR2 Protein (aa 400-821, His&GST Tag)Supplied as sterile 20mM Tris, 500mM NaCl, pH 7.4, 10% gly
Stability	Recombinant Human FGFR2 protein is stable up to 1 year at -70°C
Usage	For Research Use Only
Storage	Store the protein under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.