2021
Platelet-derived growth factor receptor beta activates Abl2 via direct binding and phosphorylation
Wu K, Wu H, Lyu W, Kim Y, Furdui CM, Anderson KS, Koleske AJ. Platelet-derived growth factor receptor beta activates Abl2 via direct binding and phosphorylation. Journal Of Biological Chemistry 2021, 297: 100883. PMID: 34144039, PMCID: PMC8259415, DOI: 10.1016/j.jbc.2021.100883.Peer-Reviewed Original ResearchConceptsAbl family kinasesFamily kinasesPlatelet-derived growth factor receptor betaGrowth factor receptor betaAbl familySrc homology 2 domainSrc homology 3 domainDiverse cellular stimuliPost-translational modificationsN-terminal halfNonreceptor tyrosine kinaseMultiple novel sitesAutoinhibited conformationSrc homologyCytoskeleton organizationCytoplasmic domainCellular stimuliKinase domainGrowth factor receptorReceptor betaKinase activityMolecular mechanismsTyrosine kinaseDirect bindingKinase
2020
Crystal structure of a guanine nucleotide exchange factor encoded by the scrub typhus pathogen Orientia tsutsugamushi
Lim C, Berk JM, Blaise A, Bircher J, Koleske AJ, Hochstrasser M, Xiong Y. Crystal structure of a guanine nucleotide exchange factor encoded by the scrub typhus pathogen Orientia tsutsugamushi. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 30380-30390. PMID: 33184172, PMCID: PMC7720168, DOI: 10.1073/pnas.2018163117.Peer-Reviewed Original ResearchConceptsBacterial GEFStructure-guided mutational analysisExchange factor domainRho family GTPasesObvious sequence similarityRho GTPases Rac1Pathogen Orientia tsutsugamushiAlters cell morphologyInteraction screenConvergent evolutionGEF domainHost interactorsExchange factorNucleotide displacementGEF activityCellular processesSequence similarityCytoskeletal structuresGTPases Rac1Ectopic expressionMutational analysisGEFRac1Factor domainPathogenic bacterium
2017
Brain Region and Isoform-Specific Phosphorylation Alters Kalirin SH2 Domain Interaction Sites and Calpain Sensitivity
Miller MB, Yan Y, Machida K, Kiraly DD, Levy AD, Wu YI, Lam TT, Abbott T, Koleske AJ, Eipper BA, Mains RE. Brain Region and Isoform-Specific Phosphorylation Alters Kalirin SH2 Domain Interaction Sites and Calpain Sensitivity. ACS Chemical Neuroscience 2017, 8: 1554-1569. PMID: 28418645, PMCID: PMC5517348, DOI: 10.1021/acschemneuro.7b00076.Peer-Reviewed Original ResearchConceptsLong-term potentiationCalpain sensitivityEffects of cocaineRat nucleus accumbensAdult rat nucleus accumbensRho GDP/GTP exchange factorRegion-specific effectsChronic cocaineNucleus accumbensSynaptic functionBrain regionsKALRN geneSpine morphologyPrefrontal cortexKal7CocainePotentiationFunctional significanceCalpainPhosphorylation
2009
N-Myristoylated c-Abl Tyrosine Kinase Localizes to the Endoplasmic Reticulum upon Binding to an Allosteric Inhibitor*
Choi Y, Seeliger MA, Panjarian SB, Kim H, Deng X, Sim T, Couch B, Koleske AJ, Smithgall TE, Gray NS. N-Myristoylated c-Abl Tyrosine Kinase Localizes to the Endoplasmic Reticulum upon Binding to an Allosteric Inhibitor*. Journal Of Biological Chemistry 2009, 284: 29005-29014. PMID: 19679652, PMCID: PMC2781447, DOI: 10.1074/jbc.m109.026633.Peer-Reviewed Original ResearchArg interacts with cortactin to promote adhesion-dependent cell edge protrusion
Lapetina S, Mader CC, Machida K, Mayer BJ, Koleske AJ. Arg interacts with cortactin to promote adhesion-dependent cell edge protrusion. Journal Of Cell Biology 2009, 185: 503-519. PMID: 19414610, PMCID: PMC2700396, DOI: 10.1083/jcb.200809085.Peer-Reviewed Original ResearchConceptsCell edge protrusionEdge protrusionActin polymerization machineryAdhesion-dependent phosphorylationCell-matrix adhesionPro-rich motifMutation of residuesPolymerization machinerySH2 domainDomain bindsC-terminusCortactinMolecular mechanismsGene kinaseSimilar defectsAdditional binding sitesCatalytic eventsBinding sitesArgInteractsFibroblast adhesionProtrusionNck1KinasePhosphorylation
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
2004
The Arg Non-receptor Tyrosine Kinase Modifies F-actin Structure
Galkin VE, Orlova A, Koleske AJ, Egelman EH. The Arg Non-receptor Tyrosine Kinase Modifies F-actin Structure. Journal Of Molecular Biology 2004, 346: 565-575. PMID: 15670605, DOI: 10.1016/j.jmb.2004.11.078.Peer-Reviewed Original ResearchConceptsSubdomain 1Domain bindsActin filamentsF-actinSingle particle image analysisActin-bundling activityNon-receptor tyrosine kinaseCalponin homology domainActin-binding domainF-actin structuresActin subdomain 1Homology domainAbl familyCH domainCell motilityAdjacent protomersTyrosine kinaseParticle image analysisActin protomersConformational changesCooperative bindingARG proteinProtomersArgProteinThe Abl-related gene (Arg) requires its F-actin–microtubule cross-linking activity to regulate lamellipodial dynamics during fibroblast adhesion
Miller AL, Wang Y, Mooseker MS, Koleske AJ. The Abl-related gene (Arg) requires its F-actin–microtubule cross-linking activity to regulate lamellipodial dynamics during fibroblast adhesion. Journal Of Cell Biology 2004, 165: 407-420. PMID: 15138293, PMCID: PMC2172189, DOI: 10.1083/jcb.200308055.Peer-Reviewed Original ResearchConceptsLamellipodial dynamicsCross-linking activityF-actin-binding domainFluorescent protein fusionsMT-binding domainNonreceptor tyrosine kinaseFilamentous actin bundlesWild-type fibroblastsCell polarityProtein fusionsMembrane protrusionsCell peripheryLamellipodial protrusionCell protrusionsActin bundlesMolecular mechanismsTyrosine kinaseF-actinMicrotubulesArgFibroblast adhesionABLHigh affinityFibroblastsProtrusion
1993
A multisubunit complex associated with the RNA polymerase II CTD and TATA-binding protein in yeast
Thompson C, Koleske A, Chao D, Young R. A multisubunit complex associated with the RNA polymerase II CTD and TATA-binding protein in yeast. Cell 1993, 73: 1361-1375. PMID: 8324825, DOI: 10.1016/0092-8674(93)90362-t.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceBinding SitesDNA Mutational AnalysisDNA-Binding ProteinsFungal ProteinsGene Expression RegulationMediator ComplexMolecular Sequence DataMultienzyme ComplexesRecombinant ProteinsRNA Polymerase IISaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsTATA-Box Binding ProteinTranscription FactorsTranscription, GeneticConceptsTATA-binding proteinRNA polymerase II carboxy-terminal domainCarboxy-terminal domainMultisubunit complexLarge multisubunit complexFunctional preinitiation complexRNA polymerase IIEfficient transcription initiationTranscription initiation complexSRB proteinsCTD proteinsExtragenic suppressorsCTD functionPolymerase IIPreinitiation complexTranscription initiationInitiation complexComplex bindsTruncation mutationsSRB2Srb5ProteinBiochemical evidenceComplexesSRB4