| Immunogen | HumanSquamousCellCarcinomaCells(SCC9) |
| Clone | ASC-3 |
| Host | Mouse |
| Specificity | AntibodyrecognizesIntegrinβ4. |
| Isotype | IgG1κ |
| SpeciesReactivity | |
| AntibodyType | MonoclonalAntibody |
| EntrezGeneNumber | |
| EntrezGeneSummary | Integrinsareheterodimerscomprisedofalphaandbetasubunits,thatarenoncovalentlyassociatedtransmembraneglycoproteinreceptors.Differentcombinationsofalphaandbetapolypeptidesformcomplexesthatvaryintheirligand-bindingspecificities.Integrinsmediatecell-matrixorcell-celladhesion,andtransducedsignalsthatregulategeneexpressionandcellgrowth.Thisgeneencodestheintegrinbeta4subunit,areceptorforthelaminins.Thissubunittendstoassociatewithalpha6subunitandislikelytoplayapivotalroleinthebiologyofinvasivecarcinoma.Mutationsinthisgeneareassociatedwithepidermolysisbullosawithpyloricatresia.Multiplealternativelysplicedtranscriptvariantsencodingdistinctisoformshavebeenfoundforthisgene. |
| GeneSymbol | |
| PurificationMethod | ProteinAPurfied |
| UniProtNumber | |
| UniProtSummary | FUNCTION:SwissProt:P16144#Integrinalpha-6/beta-4isareceptorforlaminin.Itplaysacriticalstructuralroleinthehemidesmosomeofepithelialcells.
SIZE:1822aminoacids;202151Da
SUBUNIT:Heterodimerofanalphaandabetasubunit.Beta-4associateswithalpha-6.
SUBCELLULARLOCATION:Membrane;Single-passtypeImembraneprotein.
TISSUESPECIFICITY:Integrinalpha-6/beta-4ispredominantlyexpressedbyepithelia.Isoformbeta-4Disalsoexpressedincolonandplacenta.Isoformbeta-4Eisalsoexpressedinepidermis,lung,duodenum,heart,spleenandstomach.
DOMAIN:SwissProt:P16144Thefibronectintype-III-likedomainsbindBPAG1andplectinandprobablyalsorecruitBP230.
DISEASE:SwissProt:P16144#DefectsinITGB4areacauseofepidermolysisbullosaletaliswithpyloricatresia(EB-PA)[MIM:226730];alsoknownasjunctionalepidermolysisbullosawithpyloricatresia(PA-JEB)oraplasiacutiscongenitawithgastrointestinalatresia.EB-PAischaracterizedbymucocutaneousfragilityandgastrointestinalatresia,whichmostcommonlyaffectsthepylorus.&DefectsinITGB4areacauseofgeneralizedatrophicbenignepidermolysisbullosa(GABEB)[MIM:226650].Thisnonlethalformofjunctionalepidermolysisbullosaischaracterizedbylife-longblisteringoftheskin,associatedwithhairandtoothabnormalities.
SIMILARITY:Belongstotheintegrinbetachainfamily.&Contains1Calx-betadomain.&Contains4fibronectintype-IIIdomains.&Contains1VWFAdomain. |
| MolecularWeight | 202kDaCalculated |