Recombinant Human VEGFR3/Flt-4 Fc Chimera Protein, CF Summary
Details of Functionality
Measured by its binding ability in a functional ELISA. Immobilized Recombinant Human VEGFR3/Flt‑4 Fc Chimera at 5 μg/mL (100 μL/well) binds
Recombinant
Human VEGF-D (Catalog # 622-VD)
with an apparent Kd <15 nM.
Source
Mouse myeloma cell line, NS0-derived human VEGFR3/Flt-4 protein
Human Flt-4 (Tyr25-Ile776) & (Ser473-Ile776) Accession # P35916
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.
Applications/Dilutions
Dilutions
Binding Activity
Theoretical MW
112 kDa (monomer). Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
145-150 kDa, 90-95 kDa and 75-80 kDa, reducing conditions
Publications
Read Publications using 349-F4 in the following applications:
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.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 200 μg/mL in sterile PBS.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Human VEGFR3/Flt-4 Fc Chimera Protein, CF
EC 2.7.10
EC 2.7.10.1
FLT4
Flt-4
fms-related tyrosine kinase 4
LMPH1A
PCLFLT41
soluble VEGFR3 variant 1
soluble VEGFR3 variant 2
soluble VEGFR3 variant 3
Tyrosine-protein kinase receptor FLT4
vascular endothelial growth factor receptor 3
VEGF R3
VEGFR3
VEGFR-3
VEGFR3Fms-like tyrosine kinase 4
Background
VEGFR2 (KDR/Flk-1), VEGFR1 (Flt‑1) and VEGFR3 (Flt‑4) belong to the class III subfamily of receptor tyrosine kinases (RTKs). All three receptors contain seven immunoglobulin-like repeats in their extracellular domains and kinase insert domains in their intracellular regions. The expression of VEGFR1, 2, and 3 is almost exclusively restricted to the endothelial cells. These receptors are likely to play essential roles in vasculogenesis and angiogenesis.
VEGFR3 cDNA encodes a 1298 amino acid (aa) residue precursor protein with a 24 aa residue signal peptide. Mature VEGFR3 is composed of a 751 aa residue extracellular domain, a 22 aa residue transmembrane domain and a 482 aa residue cytoplasmic domain. Both VEGF-C and VEGF-D have been shown to bind and activate VEGFR3 (Flt‑4). VEGFR3 is widely expressed in the early embryo but becomes restricted to lymphatic endothelia at later stages of development. It is likely that VEGFR3 may be important for lymph angiogenesis.
Ferra, N. and R. Davis-Smyth (1997) Endocrine Reviews 18:4.
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