2017
Two transmembrane dimers of the bovine papillomavirus E5 oncoprotein clamp the PDGF β receptor in an active dimeric conformation
Karabadzhak AG, Petti LM, Barrera FN, Edwards APB, Moya-Rodríguez A, Polikanov YS, Freites JA, Tobias DJ, Engelman DM, DiMaio D. Two transmembrane dimers of the bovine papillomavirus E5 oncoprotein clamp the PDGF β receptor in an active dimeric conformation. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: e7262-e7271. PMID: 28808001, PMCID: PMC5584431, DOI: 10.1073/pnas.1705622114.Peer-Reviewed Original ResearchConceptsTransmembrane domainE5 proteinE5 dimerPlatelet-derived growth factor β receptorGrowth factor β receptorActive dimeric conformationPDGF β-receptorTransmembrane dimerProtein bindsMembrane environmentReceptor dimerizationDimeric conformationAtom molecular dynamics simulationsBiochemical experimentsMouse cellsMolecular mechanismsActive dimerΒ receptorBovine papillomavirusProteinSpecific interactionsMembrane modelingReceptor activationDimerizationComplexes
2001
Identification of the transmembrane dimer interface of the bovine papillomavirus E5 protein
Mattoon D, Gupta K, Doyon J, Loll P, DiMaio D. Identification of the transmembrane dimer interface of the bovine papillomavirus E5 protein. Oncogene 2001, 20: 3824-3834. PMID: 11439346, DOI: 10.1038/sj.onc.1204523.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinE5 proteinDimer interfacePlatelet-derived growth factor β receptorEssential glutamine residueHeterologous dimerization domainGrowth factor β receptorNon-productive interactionsReceptor tyrosine phosphorylationFocus formation assayPDGF β-receptorDimerization domainHomodimeric proteinTyrosine phosphorylationGenetic methodsGlutamine residuesActive chimerasΒ receptorActive orientationFormation assaysProtein helicesProteinPosition 17ReceptorsPhosphorylation
2000
Bovine Papillomavirus E5 Protein Induces the Formation of Signal Transduction Complexes Containing Dimeric Activated Platelet-derived Growth Factor β Receptor and Associated Signaling Proteins*
Lai C, Henningson C, DiMaio D. Bovine Papillomavirus E5 Protein Induces the Formation of Signal Transduction Complexes Containing Dimeric Activated Platelet-derived Growth Factor β Receptor and Associated Signaling Proteins*. Journal Of Biological Chemistry 2000, 275: 9832-9840. PMID: 10734138, DOI: 10.1074/jbc.275.13.9832.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinE5 proteinPDGF beta receptorBeta receptor complexCellular platelet-derived growth factor (PDGF) beta receptorReceptor complexPlatelet-derived growth factor beta receptorPlatelet-derived growth factor β receptorRas-GTPase activating proteinAssembly of multiproteinSignal transduction complexGrowth factor β receptorGrowth factor beta receptorCell growth transformationTransduction complexBeta receptorsP85 subunitSignaling proteinsPhospholipase CgammaActivating proteinReceptor dimersConstitutive activationInactive receptorProteinReceptor molecules
1998
Bovine papillomavirus E5 protein induces oligomerization and trans-phosphorylation of the platelet-derived growth factor β receptor
Lai C, Henningson C, DiMaio D. Bovine papillomavirus E5 protein induces oligomerization and trans-phosphorylation of the platelet-derived growth factor β receptor. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 15241-15246. PMID: 9860953, PMCID: PMC28027, DOI: 10.1073/pnas.95.26.15241.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAnimalsBovine papillomavirus 1CattleCell LineCell Line, TransformedCross-Linking ReagentsDimerizationHumansKineticsMacromolecular SubstancesMiceOncogene Proteins, ViralPhosphorylationProtein-Tyrosine KinasesReceptor, Platelet-Derived Growth Factor betaReceptors, Platelet-Derived Growth FactorRecombinant ProteinsSequence DeletionTransfectionConceptsBovine papillomavirus E5 proteinE5 proteinPDGF beta receptorCellular platelet-derived growth factor (PDGF) beta receptorKinase-negative mutant receptorPlatelet-derived growth factor beta receptorPlatelet-derived growth factor β receptorChemical cross-linking experimentsGrowth factor β receptorConstitutive tyrosine phosphorylationGrowth factor beta receptorLigand-independent fashionCross-linking experimentsReceptor tyrosine kinasesStable complexesExtracts of cellsPDGF beta-receptor activationIntramolecular autophosphorylationBeta receptorsCoimmunoprecipitation experimentsTransmembrane proteinReceptor activationTyrosine phosphorylationReceptor dimerizationMutant receptorsStructural models of the bovine papillomavirus E5 protein
Surti T, Klein O, Aschheim K, DiMaio D, Smith S. Structural models of the bovine papillomavirus E5 protein. Proteins Structure Function And Bioinformatics 1998, 33: 601-612. PMID: 9849943, DOI: 10.1002/(sici)1097-0134(19981201)33:4<601::aid-prot12>3.0.co;2-i.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinE5 dimerE5 proteinType II integral membrane proteinIntegral membrane proteinsPrevious mutagenesis studiesLigand-independent activationDisulfide-linked homodimerPDGF beta receptorMembrane proteinsTransmembrane orientationMutagenesis studiesMembrane bilayerCell transformationGenetic resultsProteinGln17Receptor moleculesMolecular scaffoldsComplex formationAsp33Computational searchDimerizationDimer structureDimersA single amino acid substitution in a WW‐like domain of diverse members of the PDGF receptor subfamily of tyrosine kinases causes constitutive receptor activation
Irusta P, DiMaio D. A single amino acid substitution in a WW‐like domain of diverse members of the PDGF receptor subfamily of tyrosine kinases causes constitutive receptor activation. The EMBO Journal 1998, 17: 6912-6923. PMID: 9843497, PMCID: PMC1171039, DOI: 10.1093/emboj/17.23.6912.Peer-Reviewed Original ResearchMeSH KeywordsAlanineAmino Acid SequenceAmino Acid SubstitutionAnimalsBinding SitesCell Line, TransformedCloning, MolecularDimerizationEnzyme ActivationHumansInterleukin-3LigandsMiceMolecular Sequence DataMutagenesis, Site-DirectedPeptidesPhosphorylationPolymerase Chain ReactionReceptor Protein-Tyrosine KinasesReceptor, Platelet-Derived Growth Factor betaReceptors, Platelet-Derived Growth FactorSequence Homology, Amino AcidStructure-Activity RelationshipTyrosineValineConceptsTyrosine kinase activityKinase activityTyrosine kinasePlatelet-derived growth factor beta receptorCytoplasmic juxtamembrane domainPDGF receptorSignal transduction proteinsWW-like domainTransmembrane receptor tyrosine kinaseProtein-protein interactionsBa/F3 cellsGST fusion proteinSingle amino acid substitutionConstitutive receptor activationGrowth factor beta receptorAbsence of ligandReceptor tyrosine kinasesAmino acid substitutionsSequence PPXYTransduction proteinsWW domainsCellular functionsJuxtamembrane regionTyrosine phosphorylationAlanine substitutionsRole of Glutamine 17 of the Bovine Papillomavirus E5 Protein in Platelet-Derived Growth Factor β Receptor Activation and Cell Transformation
Klein O, Polack G, Surti T, Kegler-Ebo D, Smith S, DiMaio D. Role of Glutamine 17 of the Bovine Papillomavirus E5 Protein in Platelet-Derived Growth Factor β Receptor Activation and Cell Transformation. Journal Of Virology 1998, 72: 8921-8932. PMID: 9765437, PMCID: PMC110309, DOI: 10.1128/jvi.72.11.8921-8932.1998.Peer-Reviewed Original ResearchConceptsBovine papillomavirus E5 proteinPDGF beta receptorE5 proteinTransform cellsCellular platelet-derived growth factor (PDGF) beta receptorAmino acidsBa/F3 hematopoietic cellsPosition 17Cell transformationPlatelet-derived growth factor beta receptorHomodimeric transmembrane proteinReceptor tyrosine phosphorylationGrowth factor beta receptorReceptor tyrosine kinasesPDGF receptor tyrosine kinaseReceptor activationPossible amino acidsBeta receptorsStable complexesComplex formationMutant proteinsTransmembrane domainTransmembrane proteinGrowth factor-beta (TGF-beta) receptor activationTyrosine phosphorylation