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Recombinant Human Fms-Related Tyrosine Kinase 1 (vascular endothelial growth factor/vascular permeability factor receptor), His-tagged

Cat. No.: FLT1-899H
Product Overview: FLT1 Human Recombinant produced in E.Coli is single, a non-glycosylated, Polypeptide chain containing 298 amino acids fragment (31-328) corresponding to the IgG like domains 1-3 from the mature soluble FLT1 protein, having a total molecular mass of 43kDa and fused with a 4.5kDa amino-terminal hexahistidine tag. The FLT1 His is purified by proprietary chromatographic techniques.
Description: Endothelial cells express three different vascular endothelial growth factor (VEGF) receptors, belonging to the family of receptor tyrosine kinases (RTKs). They are named VEGFR-1 (Flt-1), VEGFR-2 (KDR/Flk-1), VEGFR-3 (Flt-4). Their expression is almost exclusively restricted to endothelial cells, but VEGFR-1 can also be found on monocytes, dendritic cells and on trophoblast cells. The flt-1 gene was first described in 1990. The receptor contains seven immunoglobulin-like extracellular domains, a single transmembrane region and an intracellular splited tyrosine kinase domain. Compared to VEGFR-2 the Flt-1 receptor has a higher affinity for VEGF but a weaker signaling activity. VEGFR-1 thus leads not to proliferation of endothelial cells, but mediates signals for differentiation. Interestingly a naturally occuring soluble variant of VEGFR-1 (sVEGFR-1) was found in HUVE supernatants in 1996, which is generated by alternative splicing of the flt-1 mRNA. The biological functions of sVEGFR-1 still are not clear, but it seems to be an endogenous regulator of angiogenesis, binding VEGF with the same affinity as the full-length receptor.
Source: Human
Host: Escherichia Coli
Form: FLT1 His-Tag protein is supplied in 1x PBS and 50% glycerol.
Purity: Greater than 95.0% as determined by SDS-PAGE.
Physical Appearance: Sterile Filtered clear solution.
Storage: Store at 4°C if entire vial will be used within 2-4 weeks. Store, frozen at -20°C for longer periods of time. Please avoid freeze thaw cycles.
Gene Name: FLT1 fms-related tyrosine kinase 1 (vascular endothelial growth factor/vascular permeability factor receptor) [ Homo sapiens ]
Official Symbol: FLT1
Synonyms: FLT1; fms-related tyrosine kinase 1 (vascular endothelial growth factor/vascular permeability factor receptor); FLT; VEGFR1; vascular endothelial growth factor receptor 1; EC 2.7.10.1; VEGFR-1; Vascular permeability factor receptor; Flt-1; Tyrosine-protein kinase receptor FLT; Tyrosine-protein kinase FRT; Fms-like tyrosine kinase 1; FRT
Gene ID: 2321
mRNA Refseq: NM_001159920
Protein Refseq: NP_001153392
MIM: 165070
UniProt ID: P17948
Chromosome Location: 13q12
Pathway: Cytokine-cytokine receptor interaction; Endocytosis; Focal adhesion; Signaling by VEGF
Function: ATP binding; growth factor binding; identical protein binding; nucleotide binding; receptor activity; transferase activity; vascular endothelial growth factor receptor activity

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