Description | LAMP1(LysosomalAssociatedMembraneProtein1,alsoknownasCD107a,lysosomalassociatedmembraneglycoprotein1,LGP120andLAMPA)isaproteinprimarilyassociatedwiththelysosomalmembrane.InatypicalcellLAMP1isassociatedwithsphericalvesicleslocatednexttothenucleusandthemicrotubuleorganizingcenter(1).LAMP1isfoundonthecellsurfaceoflymphocytesundergoingdegranulation,aprocessinwhichcytoplasmicvesiclesfusewiththeplasmamembrane,andthisphenomenaresultedindiscoveryofLAMP1asaCDprotein.TheLAMP1proteinhasalargeN-terminalregionwhichisinsidethelysosome,hencetopologicallyexternaltothecell,whichisoftenreferredtoasthelumenaldomain(2).Thelumenaldomainconsistsoftwohomologousglobularsegmentsseparatedbyaprolinerichsequence.Nextthereisasinglemembranespanningdomainandashort11aminoacidC-terminalcytoplasmictail.Thistailregioncontains,attheextremeC-terminus,aso-calledYXXImotifwhichisresponsIBLeforthesortingoftheintactmoleculetotheendosomeandlysozome,whereY=tyrosine,I=isoleucineandX=almostanyaminoacid(3).Thismotifisfoundinseveralotherlysosomalproteins,whereitfunctionsinthesameway.Thereare417aminoacidsinthehumanLAMP1molecule,givinganativemolecularweightof44.8kDa.HowevertheN-terminallumenalsegmentofLAMP1isveryheavilyandvariablyglycosylatedduetothepresenceof18N-linkedglycosylationsites,sothatonSDS-PAGEandonWesternblotstheproteinrunsasadiffusebandat90-120kDa.AntibodiestoLAMP1arethereforeexcellentMarkersoflysosomesinmammaliancells,thoughsomeLAMP1mayalsobeseenonlateendosomesandontheplasmamembrane. |
Antigen | RecombinantLAMP1expressedandpurifiedfromE.coli. |
AntibodyType | Monoclonal |
Isotype | IgG1 |
Clone | 6E2 |
OtherNames | LysosomalAssociatedMembraneProtein1,alsoknownasCD107a,lysosomalassociatedmembraneglycoprotein1,LGP120andLAMPA |
Producedin | Mouse |
Applications | WesternBlotting(WB)andImmunocytochemistry(IC).Adilutionof1:5,000-1:10,000isrecommendedforWB.Adilutionof1:1,000-1:2,000isrecommendedforIC.Biosensisrecommendsoptimaldilutions/concentrationsshouldbedeterminedbytheenduser. |
Specificity | Theantibodyreactswithadiffusebandat~90kDato120kDabyWesternblotonHeLacellextract.Ithasalsobeenusedsuccessfullyforimmunocytochemistry. |
SpeciesAgainst | Human,bovine,porcine,ratandmouse.Itisexpectedthatitwillworkonothermammaltissues. |
AntibodyAgainst | LysosomalAssociatedMembraneProtein1[LAMP1] |
Form | LyophilizedfromPBA.Contains5%trehalose. |
Appearance | Whitepowder |
Reconstitution | Reconstituteinsteriledistilledwater.Centrifugetoremoveanyinsolublematerial. |
Storage | Afterreconstitutionoflyophilizedantibody,aliquotandstoreat-20°CforahigherstABIlity.Avoidfreeze-thawcycles. |
ExpiryDate | 12monthsafterpurchase |
GeneralReferences | 1.Matteoni,R.andKreiss,T.E.Translocationandclusteringofendosomesandlysosomesdependsonmicrotubules.J.CellBiol.105:1253-1265(1987).2.HoweCL,GrangerBL,HullM,GreenSA,GabelCA,HeleniusA,MellmanI.Derivedproteinsequence,oligosaccharides,andmembraneinsertionofthe120-kDalysosomalmembraneglycoprotein(lgp120):identificationofahighlyconservedfamilyoflysosomalmembraneglycoproteins.ProcNatlAcadSciUSA.85:7577-81(1988).3.RohrerJ,SchweizerA,RussellD,KornfeldS.ThetargetingofLamp1tolysosomesisdependentonthespacingofitscytoplasmictailtyrosinesortingmotifrelativetothemembrane.JCellBiol.132:565-76(1996). |
Biosensis专注于神经科学领域的抗体和试剂的开发,特别是神经营养因子和神经营养因子受体。 近30年来,Biosensis一直是该领域的全球领航者和OEM供应商。除神经营养因子,我们的神经科学产品组合还被广泛用于神经退行性疾病、神经发育和神经代谢的研究。重点研究领域包括阿尔茨海默氏症(AD)、帕金森氏症(PD)和肌萎缩侧索硬化(ALS)疾病,以及自噬和代谢应激障碍,包括肥胖、代谢综合征的研究、神经免疫学和炎症。