General Information
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Product
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FGFR4 Peptide
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Description
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Antigenic Blocking Peptide Fibroblast growth factor receptor 4 variant
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Verified Applications
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Immunodepletion, Immunocompetition
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Peptide Description
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Synthetic peptide taken within amino acid region 520-570 on human Fibroblast growth factor receptor 4 variant protein.
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Accession #
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GenBank: AAK51435
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Physical Properties
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Quantity
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250 µg
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Volume
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100 µl
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Form
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Antigenic Blocking Peptide
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Storage
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-20⁰C for long term storage
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Application Protocol
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Competition/Depletion assay
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Refer to competition assay protocol
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Protein
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Uniprot #
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P22455
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Overview
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Tyrosine-protein kinase that acts as cell-surface receptor for fibroblast growth factors and plays a role in the regulation of cell proliferation, differentiation and migration, and in regulation of lipid metabolism, bile acid biosynthesis, glucose uptake, vitamin D metabolism and phosphate homeostasis. Required for normal down-regulation of the expression of CYP7A1, the rate-limiting enzyme in bile acid synthesis, in response to FGF19. Phosphorylates PLCG1 and FRS2. 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.
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Molecular Function
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ATP-binding; Fibroblast growth factor binding; Heparin binding; Protein Tyrosine Kinase activity.
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Subcellular Location
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Cell membrane; Single-pass type I membrane protein. Endosome. Endoplasmic reticulum.
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Expression
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Expressed in gastrointestinal epithelial cells, pancreas, and gastric and pancreatic cancer cell lines.
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Structure
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Monomer. Homodimer after ligand binding. Interacts with FGF1, FGF2, FGF4, FGF6, FGF8, FGF9, FGF16, FGF17, FGF18, FGF19, FGF21 and FGF23 (in vitro). Binding affinity for FGF family members is enhanced by interactions between FGFs and heparan sulfate proteoglycans. Interacts with KLB; this strongly increases the affinity for FGF19 and FGF23. Affinity for FGF19 is strongly increased by KLB and sulfated glycosaminoglycans. KLB and KL both interact with the core-glycosylated FGFR4 in the endoplasmic reticulum and promote its degradation, so that only FGFR4 with fully mature N-glycans is expressed at the cell surface. Identified in a complex with NCAM1, CDH2, PLCG1, FRS2, SRC, SHC1, GAP43 and CTTN. Interacts with MMP14 and HIP1.
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Alternative Nomenclature
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CD334
fc13h10
FGFR-4
Fibroblast growth factor receptor 4
Hydroxyaryl protein kinase
JTK 2
Protein tyrosine kinase
TKF
Tyrosine kinase related to fibroblast growth factor receptor
Tyrosylprotein kinase
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