2019
Crystal structures of p120RasGAP N-terminal SH2 domain in its apo form and in complex with a p190RhoGAP phosphotyrosine peptide
Chehayeb R, Stiegler AL, Boggon TJ. Crystal structures of p120RasGAP N-terminal SH2 domain in its apo form and in complex with a p190RhoGAP phosphotyrosine peptide. PLOS ONE 2019, 14: e0226113. PMID: 31891593, PMCID: PMC6938330, DOI: 10.1371/journal.pone.0226113.Peer-Reviewed Original ResearchConceptsN-terminal SH2 domainSH2 domainPhosphotyrosine peptidesNative gel shiftSite-directed mutagenesisGAP proteinsCo-crystal structurePhosphorylated tyrosineRas pathwayUnliganded formApo formCross-talk occursGel shiftP120RasGAPIsothermal titration calorimetryP190RhoGAPCell growthSpecific conformationCell proliferationProteinX-ray crystal structureTitration calorimetryDisease pathogenesisCrystal structureRho
2018
The N-Terminal GTPase Domain of p190RhoGAP Proteins Is a PseudoGTPase
Stiegler AL, Boggon TJ. The N-Terminal GTPase Domain of p190RhoGAP Proteins Is a PseudoGTPase. Structure 2018, 26: 1451-1461.e4. PMID: 30174148, PMCID: PMC6249675, DOI: 10.1016/j.str.2018.07.015.Peer-Reviewed Original ResearchConceptsP190RhoGAP proteinsN-terminal GTPase domainProtein-protein interaction domainsNucleotide exchange factorsCanonical GTPaseGTPase domainKnown proteinsEffector proteinsExchange factorInteraction domainNucleotide bindingMutational analysisCritical regulatorGTP-MgGTPProteinBiochemical analysisImportant groupBindingDomainPseudoenzymesGTPase