2024
Allosteric activation of the co-receptor BAK1 by the EFR receptor kinase initiates immune signaling
Mühlenbeck H, Tsutsui Y, Lemmon M, Bender K, Zipfel C. Allosteric activation of the co-receptor BAK1 by the EFR receptor kinase initiates immune signaling. ELife 2024, 12: rp92110. PMID: 39028038, PMCID: PMC11259431, DOI: 10.7554/elife.92110.Peer-Reviewed Original ResearchConceptsKinase domainReceptor kinasePhosphorylation-dependent conformational changesActive conformationIntragenic suppressor mutationsCo-receptor BAK1Kinase-dead variantPlant receptor kinasesProtein kinase domainLeucine-rich repeatNon-catalytic functionsIntracellular kinase domainCo-receptorLRR-RKsSuppressor mutationsTrans-phosphorylationPseudokinase domainActivation loopActive kinaseAllosteric activationTransmembrane signalingBAK1Immune signalingRegulate signalingSignaling activity
2016
Imatinib binding to human c-Src is coupled to inter-domain allostery and suggests a novel kinase inhibition strategy
Tsutsui Y, Deredge D, Wintrode P, Hays F. Imatinib binding to human c-Src is coupled to inter-domain allostery and suggests a novel kinase inhibition strategy. Scientific Reports 2016, 6: 30832. PMID: 27480221, PMCID: PMC4969603, DOI: 10.1038/srep30832.Peer-Reviewed Original ResearchConceptsHuman c-SrcC-SrcNon-receptor tyrosine kinase inhibitorsFunctional regulatory sitesC-Src SH3SH2 domainKinase domainHydrogen-deuterium exchangeKinase activationConformational dynamicsRegulatory sitesAllosteric siteMutation sitesKinase inhibitorsPatient tissuesInhibition strategiesAnti-neoplastic drugsPeptide ligandsDevelopment of TKICurrent study identifiesImatinib-resistant mutationsTyrosine kinase inhibitorsImatinib analogsMass spectrometryAllostery
2015
Conformation-Dependent Human p52Shc Phosphorylation by Human c‑Src
Tsutsui Y, Johnson J, Demeler B, Kinter M, Hays F. Conformation-Dependent Human p52Shc Phosphorylation by Human c‑Src. Biochemistry 2015, 54: 3469-3482. PMID: 25961473, DOI: 10.1021/acs.biochem.5b00122.Peer-Reviewed Original ResearchMeSH KeywordsCell MembraneCSK Tyrosine-Protein KinaseExtracellular Signal-Regulated MAP KinasesGRB2 Adaptor ProteinHumansMAP Kinase Signaling SystemPhosphatidylinositol PhosphatesPhosphorylationProtein StabilityProto-Oncogene Proteins p21(ras)Shc Signaling Adaptor ProteinsSrc Homology 2 Domain-Containing, Transforming Protein 1Src-Family KinasesConceptsHuman c-SrcMembrane-mimetic environmentsC-SrcPhosphorylation sitesAdaptor proteinGrb2 adaptor proteinPhosphorylation-dependent interactionPhosphorylation levelsRas/MAPKAmount of phosphorylationActive c-SrcCascade activationProtein phosphorylationMass spectrometry analysisComplex assemblyPhosphorylation statePhosphorylation statusP52ShcTyrosine residuesPhosphatidylinositol 4Tyrosine kinaseBiophysical characterizationInitial binding interactionGrb2Functional linkage