Mouse VEGFR-1/Flt-1(D7)-Fc Chimera, soluble
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| Cat-Nr. | SFC-M05 |
| Size | 10 µg |
| Price | 85 € |
| Source | Insect cells |
| Label | Fc-Tag |
| Formulation | lyophilized |
| Purity Confirmation | > 90% by SDS-PAGE |
| Length [aa] | 965 |
| Molecular Weight | 130 kDa |
| Biological Activity | The activity of sVEGFR-1/Fc was determined by its ability to inhibit the VEGF-dependent proliferation of human umbilical vein endothelial cells. |
| Species Reactivity | Mouse |
| Buffer | PBS |
| Reconstitution | The lyophilized sVEGFR-1/Fc is soluble in water and most aqueous buffers and should be reconstituted in PBS or medium to a concentration not lower than 50µg/ml. |
| Stability and Storage | Lyophilized samples are stable for greater than six months at -20°C to -70°C. Reconstituted sVEGFR-1/Fc should be stored in working aliquots at -20°C. |
| Synonyms | soluble vascular endothelial growth factor receptor-1; soluble FLT1; soluble VEGFR-1 |
| Description | Recombinant human soluble Vascular Endothelial Growth Factor Receptor-1 (sVEGFR-1D1-7) was fused with the Fc part of human IgG1. The recombinant mature sVEGFR-1D1-7/Fc is a disulfide-linked homodimeric protein. The sVEGFR-1D1-7/Fc monomers have a mass of approximately 130 kDa. The soluble receptor protein consists of all 7 extracellular domains (Met1-Thr751), which contain all the information necessary for high affinity ligand binding. 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), and VEGFR-3 (Flt-4). Their expression is almost exclusively restricted to endothelial cells, but VEGFR-1 can also be found on monocytes. All VEGF-receptors have seven immunoglobulin-like extracellular domains, a single transmembrane region and an intracellular split tyrosine kinase domain. VEGFR-2 has a lower affinity for VEGF than the Flt-1 receptor, but a higher signalling activity. Mitogenic activity in endothelial cells is mainly mediated by VEGFR-2 leading to their proliferation. Differential splicing of the flt-1 gene leads to the formation of a secreted, soluble variant of VEGFR-1 (sVEGFR-1). No naturally occurring, secreted forms of VEGFR-2 have so far been reported. The binding of VEGF165 to VEGFR-2 is dependent on heparin. |
| Protein Sequence | YGSGSKLKVPELSLKGTQHVMQAGQTLFLKCRGEAAHSWSLPTTVSQEDKRLSITPPSACGRDNRQFCSTLTLDTAQANHTGLYTCRYLPTSTSKKKKAESSIYIFVSDAGSPFIEMHTDIPKLVHMTEGRQLIIPCRVTSPNVTVTLKKFPFDTLTPDGQRITWDSRRGFIIANATYKEIGLLNCEATVNGHLYQTNYLTHRQTNTILDVQIRPPSPVRLLHGQTLVLNCTATTELNTRVQMSWNYPGKATKRASIRQRIDRSHSHNNVFHSVLKINNVESRDKGLYTCRVKSGSSFQSFNTSVHVYEKGFISVKHRKQPVQETTAGRRSYRLSMKVKAFPSPEIVWLKDGSPATLKSARYLVHGYSLIIKDVTTEDAGDYTILLGIKQSRLFKNLTATLIVNVKPQIYEKSVSSLPSPPLYPLGSRQVLTCTVYGIPRPTITWLWHPCHHNHSKERYDFCTENEESFILDPSSNLGNRIESISQRMTVIEGTNKTVSTLVVADSQTPGIYSCRAFNKIGTVERNIKFYVTDVPNGFHVSLEKMPAEGEDLKLSCVVNKFLYRDITWILLRTVNNRTMHHSISKQKMATTQDYSITLNLVIKNVSLEDSGTYACRARNIYTGEDILRKTEVLVRDSEAPHLLQNLSDYEVSISGSTTLDCQARGVPAPQITWFKNNHKIQQEPGIILGPGNSTLFIERVTEEDEGVYRCRATNQKGAVESAAYLTVQGTSDKSNAASDKTHTCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPMLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPGK |
| Uniprot ID | P35969 |
| Protein RefSeq | NP_034358.2 |
| mRNA RefSeq | NM_010228.3 |
Figures
SDS-PAGE analysis of recombinant mouse soluble VEGFR-1/Fc produced in insect cells. Sample was loaded in 10% SDS-polyacrylamide gel under reducing condition and stained with Coomassie blue.
Reference
- The Anti-Vascular Endothelial Growth Factor Receptor 1 (VEGFR-1) D16F7 Monoclonal Antibody Inhibits Melanoma Adhesion to Soluble VEGFR-1 and Tissue Invasion in Response to Placenta Growth Factor. M. G. Atzori et al., Cancers (Basel). 2022 Nov; 14(22): 5578.
- A Functional Role for VEGFR1 Expressed in Peripheral Sensory Neurons in Cancer Pain. D. Selvaraj et al., Cancer Cell. 2015 Jun 8; 27(6): 780–796.
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