1998
Guanine nucleotide exchange factor GEF115 specifically mediates activation of Rho and serum response factor by the G protein α subunit Gα13
Mao J, Yuan H, Xie W, Wu D. Guanine nucleotide exchange factor GEF115 specifically mediates activation of Rho and serum response factor by the G protein α subunit Gα13. Proceedings Of The National Academy Of Sciences Of The United States Of America 1998, 95: 12973-12976. PMID: 9789025, PMCID: PMC23675, DOI: 10.1073/pnas.95.22.12973.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsAmino Acid SequenceAnimalsCOS CellsDNA-Binding ProteinsGene Expression RegulationGTPase-Activating ProteinsGTP-Binding ProteinsGuanine Nucleotide Exchange FactorsKineticsLuciferasesMiceMolecular Sequence DataNuclear ProteinsProteinsRecombinant Fusion ProteinsRhoA GTP-Binding ProteinSequence AlignmentSequence Homology, Amino AcidSerum Response FactorSignal TransductionTranscription FactorsTranscription, GeneticTransfectionConceptsSerum response factorActivation of RhoSRF activationHeterotrimeric G protein alpha subunitsG protein signaling (RGS) domainG protein alpha subunitsTerminal partRho-specific guanineProtein alpha subunitsResponse factorDomain deletion mutantSignal transduction pathwaysNIH 3T3 cellsDbl homologyRGS activitySequence motifsTransduction pathwaysGalpha13Signaling domainsGalpha12Alpha subunitMutantsSynergistic activationGalphaqTransfection system
1997
Two Basic Amino Acids in the Second Inner Loop of the Interleukin-8 Receptor Are Essential for Gα16 Coupling*
Xie W, Jiang H, Wu Y, Wu D. Two Basic Amino Acids in the Second Inner Loop of the Interleukin-8 Receptor Are Essential for Gα16 Coupling*. Journal Of Biological Chemistry 1997, 272: 24948-24951. PMID: 9312098, DOI: 10.1074/jbc.272.40.24948.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntigens, CDArginineBinding SitesCOS CellsGTP-Binding ProteinsInterleukin-8KineticsLysineMolecular Sequence DataMutagenesis, Site-DirectedPhosphatidylinositol Diacylglycerol-LyaseProtein Structure, SecondaryReceptors, InterleukinReceptors, Interleukin-8ARecombinant Fusion ProteinsTransfectionType C Phospholipases
1996
Selective G Protein Coupling by C-C Chemokine Receptors (∗)
Kuang Y, Wu Y, Jiang H, Wu D. Selective G Protein Coupling by C-C Chemokine Receptors (∗). Journal Of Biological Chemistry 1996, 271: 3975-3978. PMID: 8626727, DOI: 10.1074/jbc.271.8.3975.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAvian ProteinsCell LineChemokine CCL2Chlorocebus aethiopsCloning, MolecularDNA PrimersDNA-Binding ProteinsGTP-Binding ProteinsHumansKineticsMonocytesPertussis ToxinPolymerase Chain ReactionReceptors, CCR2Receptors, ChemokineReceptors, CytokineRecombinant ProteinsTransfectionType C PhospholipasesVirulence Factors, BordetellaZinc FingersConceptsC chemokine receptor 1C chemokine receptorChemokine receptorsBroad spectrum anti-inflammatory drugsPertussis toxin-sensitive mannerChemokine receptor 1MCP-1 receptorAnti-inflammatory drugsG protein coupling specificityToxin-sensitive mannerGq classG protein couplingAccumulation of inositolPhospholipase CC chemokinesT cellsInflammatory reactionCotransfected COS-7 cellsGi proteinsReceptor 1Major mediatorC-terminal intracellular domainG beta gammaProtein couplingReceptors
1993
Identification of critical regions on phospholipase C-beta 1 required for activation by G-proteins.
Wu D, Jiang H, Katz A, Simon M. Identification of critical regions on phospholipase C-beta 1 required for activation by G-proteins. Journal Of Biological Chemistry 1993, 268: 3704-3709. PMID: 8381437, DOI: 10.1016/s0021-9258(18)53750-9.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsCarbacholCell LineCloning, MolecularEnzyme ActivationGTP-Binding ProteinsInositol PhosphatesKineticsMolecular Sequence DataMutagenesisNorepinephrinePhosphatidylinositol Diacylglycerol-LyasePhosphoric Diester HydrolasesPlasmidsReceptors, MuscarinicRecombinant ProteinsRestriction MappingSequence DeletionTransfectionConceptsG alpha q.PLC-beta 1COS-7 cellsG alpha qAlpha q.Alpha subunitG protein alpha subunitsAlpha qMuscarinic acetylcholine receptor type 1G alpha subunitsPhosphoinositide-specific phospholipase CIntrinsic enzymatic activitySpecific deletionAmino acid sequenceLigand-induced releasePhospholipase C beta 1C beta 1CDNA clonesAcid sequenceC-terminusG proteinsTerminal endDependent activationPhospholipase CAlpha 1C-adrenergic receptor
1992
Subunits βγ of heterotrimeric G protein activate β2 isoform of phospholipase C
Katz A, Wu D, Simon M. Subunits βγ of heterotrimeric G protein activate β2 isoform of phospholipase C. Nature 1992, 360: 686-689. PMID: 1465134, DOI: 10.1038/360686a0.Peer-Reviewed Original ResearchConceptsΑ-subunitG proteinsExchange of GDPVitro reconstitution experimentsReceptor-mediated releaseDifferent G proteinsFree GβγPhospholipase C activationGβγ complexG proteins resultsGα subunitsHL-60 cellsGβγ subunitsTransfection assaysPertussis toxinΓ subunitProtein resultsGβγReconstitution experimentsDifferent isoformsSpecific receptorsΒ2 isoformPhospholipase CΒ1 isoformsSubunitsActivation of phospholipase C by the alpha subunits of the Gq and G11 proteins in transfected Cos-7 cells.
Wu D, Lee C, Rhee S, Simon M. Activation of phospholipase C by the alpha subunits of the Gq and G11 proteins in transfected Cos-7 cells. Journal Of Biological Chemistry 1992, 267: 1811-1817. PMID: 1309799, DOI: 10.1016/s0021-9258(18)46018-8.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntibodiesCell LineCell MembraneEnzyme ActivationGTP-Binding ProteinsGuanosine 5'-O-(3-Thiotriphosphate)InositolInositol PhosphatesIsoenzymesKineticsMacromolecular SubstancesMolecular Sequence DataMutagenesis, Site-DirectedPeptidesPhosphatidylinositol Diacylglycerol-LyasePhosphoinositide Phospholipase CPhosphoric Diester HydrolasesTransfectionType C PhospholipasesConceptsG alpha 11G alpha qCos-7 cellsG alpha zAlpha qPI-PLCAlpha 11Alpha subunitAlpha zG protein alpha subunitsProtein alpha subunitsAlpha-subunit cDNAHigh steady-state levelsPhospholipase C beta 1Introduction of mutationsCell-free systemHigh-efficiency transient transfectionG protein activationC beta 1Glutamine 205Steady-state levelsBeta 1Transient transfectionProtein activationLeucine mutant