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Prospec/FLT1 Human, His/PKA-354/2µg

Cataloguenumber

PKA-354

Synonyms

FLT-1,FLT1,Tyrosine-proteinkinasereceptorFLT,Flt-1,Tyrosine-proteinkinaseFRT,Fms-liketyrosinekinase1,VEGFR-1.

Introduction

Endothelialcellsexpressthreedifferentvascularendothelialgrowthfactor(VEGF)receptors,belongingtothefamilyofreceptortyrosinekinases(RTKs).TheyarenamedVEGFR-1(Flt-1),VEGFR-2(KDR/Flk-1),VEGFR-3(Flt-4).Theirexpressionisalmostexclusivelyrestrictedtoendothelialcells,butVEGFR-1canalsobefoundonmonocytes,dendriticcellsandontrophoblastcells.Theflt-1genewasfirstdescribedin1990.Thereceptorcontainssevenimmunoglobulin-likeextracellulardomains,asingletransmembraneregionandanintracellularsplitedtyrosinekinasedomain.ComparedtoVEGFR-2theFlt-1receptorhasahigheraffinityforVEGFbutaweakersignalingactivity.VEGFR-1thusleadsnottoproliferationofendothelialcells,butmediatessignalsfordifferentiation.InterestinglyanaturallyoccuringsolublevariantofVEGFR-1(sVEGFR-1)wasfoundinHUVEsupernatantsin1996,whichisgeneratedbyalternativesplicingoftheflt-1mRNA.TheBIOLOGicalfunctionsofsVEGFR-1stillarenotclear,butitseemstobeanendogenousregulatorofangiogenesis,bindingVEGFwiththesameaffinityasthefull-lengthreceptor.

Description

FLT1HumanRecombinantproducedinE.Coliissingle,anon-glycosylated,Polypeptidechaincontaining298aminoacidsfragment(31-328)correspondingtotheIgGlikedomains1-3fromthematuresolubleFLT1protein,havingatotalmolecularmassof43kDaandfusedwitha4.5kDaamino-terminalhexahistidinetag.
TheFLT1Hisispurifiedbyproprietarychromatographictechniques.

Source

EscherichiaColi.

PhysicalAppearance

SterileFilteredclearsolution.

Formulation

FLT1His-Tagproteinissuppliedin1xPBSand50%glycerol.

StABIlity

Storeat4°Cifentirevialwillbeusedwithin2-4weeks.
Store,frozenat-20°Cforlongerperiodsoftime.
Pleaseavoidfreezethawcycles.

Purity

Greaterthan95.0%asdeterminedbySDS-PAGE.

Usage

Prospec"sproductsarefurnishedforLABORATORYRESEARCHUSEONLY.Theproductmaynotbeusedasdrugs,agriculturalorpesticidalproducts,foodadditivesorhouseholdchemicals.
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