2006
Integrin Signaling through Arg Activates p190RhoGAP by Promoting Its Binding to p120RasGAP and Recruitment to the Membrane
Bradley WD, Hernández SE, Settleman J, Koleske AJ. Integrin Signaling through Arg Activates p190RhoGAP by Promoting Its Binding to p120RasGAP and Recruitment to the Membrane. Molecular Biology Of The Cell 2006, 17: 4827-4836. PMID: 16971514, PMCID: PMC1635390, DOI: 10.1091/mbc.e06-02-0132.Peer-Reviewed Original ResearchConceptsCell peripheryP120 bindingGene Tyrosine KinaseRho family GTPases RhoAActin stress fibersIntegrin-mediated adhesionWild-type fibroblastsP190 phosphorylationFocal adhesionsGTPases RhoARho activityStress fibersEssential effectorTyrosine kinaseAdhesive environmentCell attachmentP190P120P190RhoGAPP120RasGAPPhosphorylationComplex formationBindingRecruitmentRho
2003
Phospholipids Can Switch the GTPase Substrate Preference of a GTPase-activating Protein*
Ligeti E, Dagher MC, Hernandez SE, Koleske AJ, Settleman J. Phospholipids Can Switch the GTPase Substrate Preference of a GTPase-activating Protein*. Journal Of Biological Chemistry 2003, 279: 5055-5058. PMID: 14699145, DOI: 10.1074/jbc.c300547200.Peer-Reviewed Original ResearchConceptsGTPase-activating proteinsSmall GTPasesSubstrate preferencePotent GTPase-activating proteinMajor cellular inhibitorActivity of GTPasesNovel regulatory mechanismLikely physiological roleRacGAP activityIntrinsic GTPRhoGAP activityP190 RhoGAPCellular inhibitorRac GTPasesGTPasesRegulatory mechanismsPhysiological roleProteinPhospholipidsFatty acidsRhoGAPGTPP190ActivityRho