Description | |
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CatalogueNumber | HTS002M |
BrandFamily | Chemicon® |
TradeName |
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Description | ChemiScreen™CXCR2MembranePreparation |
Overview | TRANSFECTION:Full-lengthhumanCXCR2CDNA(AccessionNumber:M73969) |
BackgroundInformation | CXCR2isa7-TMG-proteincoupledreceptorthatbindstothechemokinesGROalpha,GRObeta,GROgamma,IL-8,ENA-78,NAP-2andGCP-2(OlsonandLey,2002).Neutrophils,mastcellsandmicrovascularendothelialcellsexpressCXCR2,andinteractionsofCXCR2withitsligandspromoteschemotaxisofthesecelltypes(Heidemannetal.,2003;Nilssonetal.,1999;Whiteetal.,1998).StudieswithmicelackingCXCR2indicatethatCXCR2promotesgrowthofprimarytumorsandsecondarymetastases(Keaneetal.,2004),andplaysanessentialroleinhyperoxia-inducedlunginjury(Sueetal.,2004).Inaddition,cytomegalovirusencodesaCXCR2-bindingchemokine,vCXC-1,thatpromotesneutrophilmigrationtoinfectedcells(Penfoldetal.,1999).Chemicon"sCXCR2MembranePrepsareidealtoolsforscreeningforantagoNISTsofinteractionsbetweenCXCR2anditsligands.RADIolabeledIL-8bindstotheCXCR2membraneswithaKdof0.075nM.With0.1nM125I-labeledIL-8,a5-foldwindowofspecificbindingisobtained. |
ProductInformation | |
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Format | Membranes |
Presentation | Membraneswereadjustedto0.5mgprotein/mlin50mMTrispH7.4,10%glyceroland1%BSA,rapidlyfrozen,andstoredat-80°C.Onevialtypicallycontains1000units,whereaunitistheamountofmembranethatwillyieldgreaterthan1000cpmspecificbindingof125I-labeledIL-8(0.1nMinputconcentration). |
StorageandShippingInformation | |
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StorageConditions | Maintainfrozenat-70°Cforupto2years.Donotfreezeandthaw. |
Applications | |
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Application | HumanCXCR2/IL-8bGPCRmembranepreparationforRadioligandbindingAssays. |
KeyApplications |
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ApplicationNotes | Radioligandbindingassay. |
BIOLOGicalInformation | |
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Concentration | 0.5mg/mL |
EntrezGeneNumber | |
EntrezGeneSummary | TheproteinencodedbythisgeneisamemberoftheG-protein-coupledreceptorfamily.Thisproteinisareceptorforinterleukin8(IL8).ItbindstoIL8withhighaffinity,andtransducesthesignalthroughaG-proteinactivatedsecondmessengersystem.Thisreceptoralsobindstochemokine(C-X-Cmotif)ligand1(CXCL1/MGSA),aproteinwithmelanomagrowthstimulatingactivity,andhasbeenshowntobeamajorcomponentrequiredforserum-dependentmelanomacellgrowth.Thisreceptormediatesneutrophilmigrationtositesofinflammation.TheangiogeniceffectsofIL8inintestinalmicrovascularendothelialcellsarefoundtobemediatedbythisreceptor.Knockoutstudiesinmicesuggestedthatthisreceptorcontrolsthepositioningofoligodendrocyteprecursorsindevelopingspinalcordbyarrestingtheirmigration.Thisgene,IL8RA,ageneencodinganotherhighaffinityIL8receptor,aswellasIL8RBP,apseudogeneofIL8RB,formageneclusterinaregionmappedtochromosome2q33-q36. |
GeneSymbol |
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GPCRClass | A |
HostCells | Chem-1 |
ProteinTarget | CXCR2/IL-8b |
TargetSub-Family | Chemokine |
UniProtNumber | |
UniProtSummary | FUNCTION:SwissProt:P25025#Receptortointerleukin-8,whichisapowerfulneutrophilschemotacticfactor.BindingofIL-8tothereceptorcausesactivationofneutrophils.ThisresponseismediatedviaaG-proteinthatactivateaphosphatidylinositol-calciumsecondmessengersystem.ThisreceptorbindstoIL-8withahighaffinityandtoGRO/MGSAandNAP-2alsowithahighaffinity. SIZE:360aminoacids;40759Da SUBCELLULARLOCATION:Cellmembrane;Multi-passmembraneprotein. PTM:Phosphorylateduponligandbinding;whichisrequiredfordesensitization. SIMILARITY:SwissProt:P25025##BelongstotheG-proteincoupledreceptor1family. |
PhysicochemicalInformation |
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Dimensions |
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MaterialsInformation |
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MaterialsInformation |
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