2024
Distinct functional constraints driving conservation of the cofilin N-terminal regulatory tail
Sexton J, Potchernikov T, Bibeau J, Casanova-Sepúlveda G, Cao W, Lou H, Boggon T, De La Cruz E, Turk B. Distinct functional constraints driving conservation of the cofilin N-terminal regulatory tail. Nature Communications 2024, 15: 1426. PMID: 38365893, PMCID: PMC10873347, DOI: 10.1038/s41467-024-45878-9.Peer-Reviewed Original ResearchMeSH KeywordsActin CytoskeletonActin Depolymerizing FactorsActinsCofilin 1HumansLim KinasesPhosphorylationSaccharomyces cerevisiaeConceptsN-terminal regionActin bindingSequence requirementsLIM kinaseAnalysis of individual variantsInactivates cofilinS. cerevisiaeRegulatory tailFamily proteinsActin depolymerizationPhosphorylation sitesKinase recognitionSequence variantsInhibitory phosphorylationCofilinN-terminusIndividual variantsFunctional constraintsActinDisordered sequencesPhosphorylationSequenceBiochemical analysisSequence constraintsKinase
2023
Autoregulation of the LIM kinases by their PDZ domain
Casanova-Sepúlveda G, Sexton J, Turk B, Boggon T. Autoregulation of the LIM kinases by their PDZ domain. Nature Communications 2023, 14: 8441. PMID: 38114480, PMCID: PMC10730565, DOI: 10.1038/s41467-023-44148-4.Peer-Reviewed Original ResearchDiverse p120RasGAP interactions with doubly phosphorylated partners EphB4, p190RhoGAP, and Dok1
Vish K, Stiegler A, Boggon T. Diverse p120RasGAP interactions with doubly phosphorylated partners EphB4, p190RhoGAP, and Dok1. Journal Of Biological Chemistry 2023, 299: 105098. PMID: 37507023, PMCID: PMC10470053, DOI: 10.1016/j.jbc.2023.105098.Peer-Reviewed Original ResearchConceptsSH2 domainSpatial-temporal regulationDual SH2 domainsProper vascular developmentKey binding partnerProtein familySH2 interactionsBinding partnerHuman proteinsDistinct binding interactionsWeakened affinityVascular developmentRasGAPConformational differencesP190RhoGAPSmall-angle X-ray scatteringBindingBinding interactionsAffinity measurementsEphB4DomainGTPaseDok1X-ray scatteringProtein
2001
G-Protein Signaling Through Tubby Proteins
Santagata S, Boggon T, Baird C, Gomez C, Zhao J, Shan W, Myszka D, Shapiro L. G-Protein Signaling Through Tubby Proteins. Science 2001, 292: 2041-2050. PMID: 11375483, DOI: 10.1126/science.1061233.Peer-Reviewed Original ResearchMeSH KeywordsActive Transport, Cell NucleusAdaptor Proteins, Signal TransducingAmino Acid SequenceAnimalsCell MembraneCell NucleusCells, CulturedCrystallography, X-RayGene Expression RegulationGTP-Binding Protein alpha Subunits, Gq-G11Heterotrimeric GTP-Binding ProteinsHumansIntercellular Signaling Peptides and ProteinsIntracellular Signaling Peptides and ProteinsIsoenzymesMembrane LipidsMiceModels, BiologicalMolecular Sequence DataNuclear Localization SignalsObesityPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositol PhosphatesPhospholipase C betaPhosphorylationProtein Structure, TertiaryProteinsReceptor, Serotonin, 5-HT2CReceptors, MuscarinicReceptors, SerotoninRecombinant Fusion ProteinsSignal TransductionTranscription FactorsType C PhospholipasesConceptsTubby-like protein 3G protein signalingTubby proteinTubby domainTranscription regulatorsPlasma membranePhospholipase C-betaReceptor-mediated activationHeterotrimeric GTPSignal transductionGene expressionMolecular mechanismsTubbyC betaCarboxyl terminalCell nucleiMaturity-onset obesityProteinX-ray crystallographyProtein 3SignalingRegulatorMembranePhosphatidylinositolTransduction