2025
The C2 domain augments Ras GTPase-activating protein catalytic activity
Paul M, Chen D, Vish K, Lartey N, Hughes E, Freeman Z, Saunders T, Stiegler A, King P, Boggon T. The C2 domain augments Ras GTPase-activating protein catalytic activity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2025, 122: e2418433122. PMID: 39899710, PMCID: PMC11831179, DOI: 10.1073/pnas.2418433122.Peer-Reviewed Original ResearchConceptsGTPase-activating proteinC2 domainActivity of GTPase-activating proteinGTPase-activating protein domainProtein catalytic activityDomain in vitroAllosteric lobeRas GTPasesSequence conservationGTPase activityAlphaFold modelsRasGAPSignaling defectsRasMutationsCatalytic activityConstitutive disruptionCatalytic advantageGTPaseAlphaFoldDomainGenesSynGAPProteinSequence
2023
Diverse 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
1999
Implication of Tubby Proteins as Transcription Factors by Structure-Based Functional Analysis
Boggon T, Shan W, Santagata S, Myers S, Shapiro L. Implication of Tubby Proteins as Transcription Factors by Structure-Based Functional Analysis. Science 1999, 286: 2119-2125. PMID: 10591637, DOI: 10.1126/science.286.5447.2119.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAlternative SplicingAmino Acid SequenceAnimalsCell LineCell NucleusCrystallography, X-RayDNAEye ProteinsHumansIntercellular Signaling Peptides and ProteinsIntracellular Signaling Peptides and ProteinsModels, MolecularMolecular Sequence DataProtein ConformationProtein Structure, SecondaryProtein Structure, TertiaryProteinsRecombinant ProteinsSequence AlignmentTranscription FactorsTranscriptional ActivationConceptsTubby-like proteinsTubby proteinTranscription factorsBipartite transcription factorDisease phenotypeMulticellular organismsProtein familyBiochemical functionsBiological functionsFunctional analysisStructural cluesCore domainUnique familyProteinGenetic mutationsTubbyPhenotypeRetinal degenerationFamilyMammalsOrganismsVital roleCrystal structureMutationsBroad range
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