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  6. FGFR-3 alpha (IIIc) Protein, Human (HEK293, His-Avi)

FGFR-3 alpha (IIIc) Protein, Human (HEK293, His-Avi)

Cat. No.: HY-P78439
COA Handling Instructions

The FGFR-3 protein is a tyrosine-protein kinase receptor for fibroblast growth factor that is critical for cellular processes, particularly in chondrocytes, osteoblasts, and inner ear development. Its effects span normal skeletal development and postnatal bone mineralization. FGFR-3 alpha (IIIc) Protein, Human (HEK293, His-Avi) is the recombinant human-derived FGFR-3 alpha, expressed by HEK293 , with C-Avi, C-His labeled tag. The total length of FGFR-3 alpha (IIIc) Protein, Human (HEK293, His-Avi) is 353 a.a., with molecular weight of 65-75 kDa.

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Description

The FGFR-3 protein is a tyrosine-protein kinase receptor for fibroblast growth factor that is critical for cellular processes, particularly in chondrocytes, osteoblasts, and inner ear development. Its effects span normal skeletal development and postnatal bone mineralization. FGFR-3 alpha (IIIc) Protein, Human (HEK293, His-Avi) is the recombinant human-derived FGFR-3 alpha, expressed by HEK293 , with C-Avi, C-His labeled tag. The total length of FGFR-3 alpha (IIIc) Protein, Human (HEK293, His-Avi) is 353 a.a., with molecular weight of 65-75 kDa.

Background

FGFR-3 protein, a tyrosine-protein kinase, functions as a cell-surface receptor for fibroblast growth factors, playing a vital role in the regulation of cell proliferation, differentiation, and apoptosis. Its significance is particularly notable in the regulation of chondrocyte differentiation, proliferation, and apoptosis, contributing to normal skeleton development. Additionally, FGFR-3 plays a crucial role in both osteogenesis and postnatal bone mineralization by osteoblasts, while also promoting apoptosis in chondrocytes. Beyond its role in normal development, FGFR-3 is involved in inner ear development and has implications in the regulation of vitamin D metabolism. Upon ligand binding, FGFR-3 activates several signaling cascades, including the phosphorylation of PLCG1, CBL, and FRS2. This activation leads to the production of cellular signaling molecules such as diacylglycerol and inositol 1,4,5-trisphosphate. Furthermore, phosphorylation of FRS2 triggers the recruitment of GRB2, GAB1, PIK3R1, and SOS1, mediating the activation of RAS, MAPK1/ERK2, MAPK3/ERK1, the MAP kinase signaling pathway, and the AKT1 signaling pathway. Mutations leading to constitutive kinase activation or impairing normal FGFR3 maturation, internalization, and degradation result in aberrant signaling. Overexpression or constitutive activation of FGFR3 promotes the activation of PTPN11/SHP2, STAT1, STAT5A, and STAT5B. Additionally, the secreted isoform 3 retains its capacity to bind FGF1 and FGF2, potentially interfering with FGF signaling.

Biological Activity

Immobilized Human FGFR3 alpha (IIIc) at 0.5 μg/mL (100 μl/Well) on the plate. Dose response curve for Anti-FGFR3 Antibody, hFc Tag with the EC50 of ≤11.7 ng/mL determined by ELISA.

Species

Human

Source

HEK293

Tag

C-Avi;C-His

Accession

P22607 (E23-G375)

Gene ID
Molecular Construction
N-term
FGFR-3 alpha (IIIc) (E23-G375)
Accession # P22607
His-Avi
C-term
Synonyms
ACH; CD333; CEK; CEK2; EC 2.7.10; FGF R3; FGFR3; HSFGFR3EX; JTK4
Molecular Weight

65-75 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Appearance

Lyophilized powder

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4. Normally 5% trehalose is added as protectant before lyophilization.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O.

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

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The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
FGFR-3 alpha (IIIc) Protein, Human (HEK293, His-Avi)
Cat. No.:
HY-P78439
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