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
2011
Chapter Fifteen Probing Serpin Conformational Change Using Mass Spectrometry and Related Methods
Tsutsui Y, Sarkar A, Wintrode P. Chapter Fifteen Probing Serpin Conformational Change Using Mass Spectrometry and Related Methods. Methods In Enzymology 2011, 501: 325-350. PMID: 22078541, PMCID: PMC3679668, DOI: 10.1016/b978-0-12-385950-1.00015-8.Peer-Reviewed Original ResearchConceptsStructural mass spectrometry techniquesHydrogen/deuterium exchangeMass spectrometry techniquesDeuterium exchangeIon mobility mass spectrometrySpectrometry techniquesMass spectrometryMobility mass spectrometrySerpin polymersConformational flexibilitySerpin functionSerpin polymerizationChemical footprintingConformational changesThermodynamic metastabilitySpectrometryChapter FifteenSerpinsStructural distributionPolymerizationPolymersStabilityMisfoldingInhibitory mechanismFootprinting
2007
Hydrogen/deuterium exchange-mass spectrometry: a powerful tool for probing protein structure, dynamics and interactions.
Tsutsui Y, Wintrode P. Hydrogen/deuterium exchange-mass spectrometry: a powerful tool for probing protein structure, dynamics and interactions. Current Medicinal Chemistry 2007, 14: 2344-58. PMID: 17896983, DOI: 10.2174/092986707781745596.Peer-Reviewed Original ResearchConceptsProtein assembliesMolecular basisProtein structureNuclear magnetic resonance spectroscopyHydrogen/deuterium exchangeLarge protein assembliesD exchange processX-ray crystallographyDrugs/inhibitorsDynamics of proteinsBackbone amide hydrogensExchange processMagnetic resonance spectroscopyLocal structural environmentPatho-physiological processesViral capsid structureAmide hydrogensHXMSDeuterium exchangeMass spectrometrySmall sample requirementDrug designHigh-quality crystalsResonance spectroscopyProtein conformation