品牌咨询
联系方式
公司地址
苏州工业园区生物纳米园A4#216
联系电话
4000-520-616 / 18915418616
传真号码
0512-67156496
电子邮箱
info@ebiomall.com
公司网址
https://www.ebiomall.com
蚂蚁淘在线 / 品牌中心 / Millipore / Millipore/17-484 | phospho-IR (β Subunit) (Tyr 1162/1163) STAR ELISA Assay Kit/17-484/96 assays
商品描述
| Description | |
|---|---|
| CatalogueNumber | 17-484 |
| BrandFamily | Upstate |
| TradeName |
|
| Description | phospho-IR(βSubunit)(Tyr1162/1163)STARELISAAssayKit |
| AlternateNames |
|
| BackgroundInformation | I.TESTPRINCIPLE TheUPSTATE®colorimetricSTAR(SignalTransductionAssayReaction)ELISAkitisasolidphasesandwichenzymelinkedimmunosorbentassaythatprovidesafast,sensitivemethodtodetectspecificlevelsofsignalingtargetsinwholecellextracts.TheIRplateiscoatedwithaspecificmousemonoclonalIR(βsubunit)captureantibodyonthemicrowellsofthe96-wellclearplate.SamplelysateorthestandardsincludedinthekitareincubatedinthemicrowellsallowingIRtobecapturedintheplatewells.Theplateisthenwashedtoremoveanyunboundnon-specificmaterial.Thewellsarethenincubatedwithaspecificrabbitanti-phospho-IRantibodytodetectthecapturedIRphosphorylatedonTyrosines1162and1163.TheunbounddetectionantibodyiswashedawayfollowedbyincubationwithanHRP-conjugatedanti-rabbitantibody.Thisallowsforasensitiveenzymaticdetectionofthesample.AftertheadditionofTMBsubstrateandstopsolutiontheabsorbanceismeasuredat450nmusingaplatereader. Theentireassaytakeslessthan5hourstocompletewithminimalhands-ontime.Manyofthereagentsaresuppliedinready-touseformulationsforeaseofuse.Thekitalsoincludesastandardthatisrunasbothapositivecontrolandtodevelopastandardcurve. II.IRBACKGROUND TheInsulinReceptor(IR)issynthesizedasasinglepolypeptide,whichissubsequentlycleavedtogenerateanextracellularαchainandatransmembraneandintracellularβchain,tetheredtogetherbydisulfidebonds.Theβchainhasmultipletyrosinephosphorylationsites,includingthreeautophosphorylationsitesatitsactivationloop.Insulinstimulatesthesignalingcascadebybindingtotheinsulinreceptorthroughitsextracellularαsubunits.Thisstimulatesthetyrosinekinaseactivityoftheβsubunitsofthereceptor.ThereceptorthenautophosphorylatesitselfandphosphorylatestheIRS(InsulinReceptorSubstrate)proteinsthatareveryimportantmodulatorsofinsulinsignaling.PhosphorylatedIRS,inturn,interactswithseveraldownstreameffectorsofinsulinsignaling,includingPI3Kinasep85,GRB2,SHP2,Nck,Crk,andFyn.TheoverallstructureoftheIRishighlyhomologoustotheIGF-IReceptor,exceptintheirc-termini,wherethetwoproteinsdivergesomewhat.InsulinsignalingishighlydependentonthePI3KinasepathwayandAkt,whichappeartomediatethefunctionsofinsulin. |
| MaterialsRequiredbutNotDelivered | 1.Multi-channelorrepeatingPipettes 2.Plateshaker(optional) 3.Pipettors&tipscapableofaccuratelymeasuring1-1000µL 4.GraduatedSEROlogicalpipettes 5.96-wellmicrotiterPlateReaderwith450nmfilter 6.Graphingsoftwareforplottingdataorgraphpaperformanualplottingofdata 7.Microfugetubesforstandardandsampledilutions 8.Mechanicalvortex 9.1litercontainer 10.Distilledordeionizedwater |
| ProductInformation | |
|---|---|
| Components |
|
| Detectionmethod | Chromogenic |
| StorageandShippingInformation | |
|---|---|
| StorageConditions | Maintaintheunopenedkitat2-8°Cuntilexpirationdate. |
| Applications | |
|---|---|
| Application | Thisphospho-IR(βSubunit)(Tyr1162/1163)STARELISAAssayKitisusedtomeasure&quantifyInsulinlevels. |
| KeyApplications |
|
| BIOLOGicalInformation | |
|---|---|
| SpeciesReactivity |
|
| AnalytesAvailable |
|
| EntrezGeneNumber | |
| EntrezGeneSummary | Afterremovaloftheprecursorsignalpeptide,theinsulinreceptorprecursorispost-translationallycleavedintotwochains(alphaandbeta)thatarecovalentlylinked.Bindingofinsulintotheinsulinreceptor(INSR)stimulatesglucoseuptake.Twotranscriptvariantsencodingdifferentisoformshavebeenfoundforthisgene. |
| GeneSymbol |
|
| Modifications |
|
| UniProtNumber | |
| UniProtSummary | FUNCTION:SwissProt:P06213#Thisreceptorbindsinsulinandhasatyrosine-proteinkinaseactivity.IsoformShorthasahigheraffinityforinsulin.Mediatesthemetabolicfunctionsofinsulin.BindingtoinsulinstimulatesassociationofthereceptorwithdownstreammediatorsincludingIRS1andphosphatidylinositol3"-kinase(PI3K).CanactivatePI3Keitherdirectlybybindingtothep85regulatorysubunit,orindirectlyviaIRS1. SIZE:1382aminoacids;156307Da SUBUNIT:Tetramerof2alphaand2betachainslinkedbydisulfidebonds.Thealphachainscontributetotheformationoftheligand-bindingdomain,whilethebetachainscarrythekinasedomain.InteractswithSORBS1butdissociatesfromitfollowinginsulinstimulation.BindsSH2B2.InteractswiththePTB/PIDdomainsofIRS1andSHC1invitrowhenautophosphorylatedontyrosineresidues.ThesequencessurroundingthephosphorylatedNPXYmotifcontributedifferentiallytoeitherIRS1orSHC1recognition.InteractswiththeSH2domainsofthe85kDaregulatorysubunitofPI3K(PIK3R1)invitro,whenautophosphorylatedontyrosineresidues.InteractswithSOCS7. SUBCELLULARLOCATION:Membrane;Single-passtypeImembraneprotein. TISSUESPECIFICITY:IsoformLongandisoformShortareexpressedintheperipheralnerve,kidney,liver,striatedmuscle,fibroblastsandskin.IsoformShortisexpressedalsointhespleenandlymphoblasts. PTM:AfterbeingtransportedfromtheendoplasmicreticulumtotheGolgiapparatus,thesingleglycosylatedprecursorisfurtherglycosylatedandthencleaved,followedbyitstransporttotheplasmamembrane.&Autophosphorylatedontyrosineresiduesinresponsetoinsulin.&PhosphorylationofTyr-999isrequiredforIRS1-andSHC1-binding. DISEASE:SwissProt:P06213#DefectsinINSRarethecauseofinsulinresistance(Insresistance)[MIM:125853].&DefectsinINSRarethecauseofRabson-Mendenhallsyndrome[MIM:262190];alsoknownasMendenhallsyndrome.Itisasevereinsulinresistancesyndromecharacterizedbyinsulin-resistantdiabetesmellituswithpinealhyperplasiaandsomaticabnormalities.Typicalfeaturesincludecoarse,senile-appearingfacies,dentalandskinabnormalities,aBDominaldistension,andphallicenlargement.Inheritanceisautosomalrecessive.&DefectsinINSRarethecauseofleprechaunism[MIM:246200];alsoknownasDonohuesyndrome.Leprechaunismrepresentsthemostsevereformofinsulinresistancesyndrome,characterizedbyintrauterineandpostnatalgrowthretardationanddeathinearlyinfancy.Inheritanceisautosomalrecessive.&DefectsinINSRmaybeassociatedwithnoninsulin-dependentdiabetesmellitus(NIDDM)[MIM:125853];alsoknownasdiabetesmellitustype2.&DefectsinINSRarethecauseoffamilialhyperinsulinemichypoglycemia5(HHF5)[MIM:609968].Familialhyperinsulinemichypoglycemia[MIM:256450],alsoreferredtoascongenitalhyperinsulinism,nesidioblastosis,orpersistenthyperinsulinemichypoglycemiaofinfancy(PPHI),isthemostcommoncauseofpersistenthypoglycemiaininfancyandisduetodefectivenegativefeedbackregulationofinsulinsecretionbylowglucoselevels.&DefectsinINSRarethecauseofinsulin-resistantdiabetesmellituswithacanthosisnigricanstypeA(IRANtypeA)[MIM:610549].Thissyndromeischaracterizedbytheassociationofsevereinsulinresistance(manifestedbymarkedhyperinsulinemiaandafailuretorespondtoexogenousinsulin)withtheskinlesionacanthosisnigricansandovarianhyperandrogenisminadolescentfemalesubjects.Womenfrequentlypresentwithhirsutism,acne,amenorrheaoroligomenorrhea,andvirilization.ThissyndromeisdifferentfromthetypeBthathasbeendemonstratedtobesecondarytothepresenceofcirculatingautoantibodiesagainsttheinsulinreceptor. SIMILARITY:SwissProt:P06213##Belongstotheproteinkinasesuperfamily.Tyrproteinkinasefamily.Insulinreceptorsubfamily.&Contains2fibronectintype-IIIdomains.&Contains1proteinkinasedomain. |
| PhysicochemicalInformation | |
|---|---|
| Sensitivity |
|
| Dimensions |
|---|
| MaterialsInformation |
|---|
| MaterialsInformation |
|---|


