Recombinant Mouse FGFR4 Fc Chimera Protein, CF

Name: Recombinant Mouse FGFR4 Fc Chimera Protein, CF
Brand: R&D Systems
SKU: 2265-FR
Price: 417 USD

R&D Systems, Inc. a Bio-Techne Brand

Catalog # 2265-FR

Citations (1)

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Setting the standard in quality research reagents

Key Product Details

Source:	NS0
Accession #:	Q03142
Structure / Form:	Disulfide-linked homodimer
Applications:	Bioactivity

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Product Specifications for Recombinant Mouse FGFR4 Fc Chimera Protein, CF

Source

Mouse myeloma cell line, NS0-derived mouse FGF R4 protein

Mouse FGF R4 (Leu19-Asp366) Accession # Q03142	IEGRMDP	Mouse IgG_2A (Glu98-Lys330)
N-terminus		C-terminus

Purity

>95%, by SDS-PAGE under reducing conditions and visualized by silver stain

Endotoxin level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal sequence Analysis

Leu19

Predicted Molecular Mass

66 kDa (monomer)

SDS-PAGE

90-100 kDa, reducing conditions

Activity

Measured by its ability to inhibit FGF acidic-dependent proliferation of NR6R‑3T3 mouse fibroblast cells. The ED₅₀ for this effect is typically 7-35 ng/mL.

Formulation, Preparation and Storage

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

2265-FR

Formulation	Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution	Reconstitute at 100 μg/mL in PBS. Reconstitution Buffer Available: Size / Price Qty Loading... RB01:
Shipping	The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage:	Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: FGFR4

Fibroblast growth factor receptor 4 (FGF R4), also known as CD334, is a 110 kDa glycosylated transmembrane receptor tyrosine kinase (1). Mature mouse FGF R4 consists of a 350 amino acid (aa) extracellular domain (ECD) with three Ig-like domains, a 21 aa transmembrane segment, and a 412 aa cytoplasmic domain that contains the tyrosine kinase domain (2). Within the ECD, mouse FGF R4 shares 90% and 96% aa sequence identity with human and rat FGF R4, respectively. Alternate splicing generates additional isoforms that have deletions within or C-terminal to the kinase domain (3, 4). FGF R4 is widely expressed during embryonic development and in adult liver, kidney, and lung (2, 5, 6, 7). It binds FGF acidic, FGF basic, FGF-8, -15, and -19 (6, 8‑12). FGF R4 associates with beta-Klotho and sulfated glycosaminoglycans, and these interactions increase the affinity of FGF R4 for its ligands as well as its signaling capacity (7, 9, 12). FGF-19 induced signaling through FGF R4 is important for the regulation of bile acid synthesis and lipid and glucose homeostasis (10, 13). FGF R4 supports glucose tolerance and insulin sensitivity and protects against hyperlipidemia (13). It is down‑regulated in the liver during fasting and is up‑regulated by insulin (10). It can exert either proliferative or apoptotic effects on hepatocytes (7, 11). FGF R4 signaling is additionally required for skeletal muscle development in limbs (4, 6). FGF R4 interacts in cis with cell surface MMP-14, leading to down‑regulation of both proteins (14). In contrast, the Arg388 variant of FGF R4, which is associated with tumor progression in human cancer, is activated and stabilized by MMP-14 (14, 15).

Item	Value
References	Haugsten, E.M. et al. (2010) Mol. Cancer Res. 8:1439. Stark, K.L. et al. (1991) Development 113:641. van Heumen, W.R.A. et al. (1999) IUBMB Life 48:73. Kwiatkowski, B.A. et al. (2008) J. Cell Physiol. 215:803. Korhonen, J. et al. (1992) Int. J. Dev. Biol. 36:323. Marics, I. et al. (2002) Development 129:4559. Luo, Y. et al. (2010) J. Biol. Chem. 285:30069. Partanen, J. et al. (1991) EMBO J. 10:1347. Saxena, K. et al. (2010) J. Biol. Chem. 285:26628. Shin, D.J. and T.F. Osborne (2009) J. Biol. Chem. 284:11110. Wu, X. et al. (2010) J. Biol. Chem. 285:5165. Nakamura, M. et al. (2011) J. Biol. Chem. 286:26418. Huang, X. et al. (2007) Diabetes 56:2501. Sugiyama, N. et al. (2010) Proc. Natl. Acad. Sci. 107:15786. Bange, J. et al. (2002) Cancer Res. 62:840.
Long Name	Fibroblast Growth Factor Receptor 4
Entrez Gene IDs	2264 (Human); 14186 (Mouse)
Alternate Names	CD334, CD334 antigen, EC 2.7.10, EC 2.7.10.1, FGF R4, FGFR-4, FGFR4, JTK2hydroxyaryl-protein kinase, MGC20292, TKF, fibroblast growth factor receptor 4, protein-tyrosine kinase, tyrosine kinase related to fibroblast growth factor receptor, tyrosylprotein kinase

Citations for Recombinant Mouse FGFR4 Fc Chimera Protein, CF (1)

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Citations are publications that use Bio-Techne products. Selected citations for Recombinant Mouse FGFR4 Fc Chimera Protein, CF include:

Species: Mouse
Sample Types: Recombinant Protein
Applications: ELISA Capture

R Bartz et al. (2019), Pre-clinical development of U3-1784, a novel FGFR4 antibody against cancer, and avoidance of its on-target toxicity Mol. Cancer Ther., 0(0).
PMID: 31350344

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Recombinant Mouse FGFR4 Fc Chimera Protein, CF

R&D Systems, Inc. a Bio-Techne Brand

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