2019
The subcellular localization of type I p21-activated kinases is controlled by the disordered variable region and polybasic sequences
Sun X, Su VL, Calderwood DA. The subcellular localization of type I p21-activated kinases is controlled by the disordered variable region and polybasic sequences. Journal Of Biological Chemistry 2019, 294: 14319-14332. PMID: 31391252, PMCID: PMC6768646, DOI: 10.1074/jbc.ra119.007692.Peer-Reviewed Original ResearchConceptsCell-cell contactCell-cell junctionsPolybasic sequenceP21-activated kinaseSmall GTPases RacVariable regionsCell-cell boundariesPAK regulationDomain organizationCdc42 bindingAdhesion dynamicsCRIB domainGTPases RacSubcellular localizationTruncation mutantsKinase domainKinase effectorsCellular signalsExtensive similaritySequence regionsPAK1Cell adhesionCdc42PAKKinase
2018
Kindlin-2 interacts with a highly conserved surface of ILK to regulate focal adhesion localization and cell spreading
Kadry YA, Huet-Calderwood C, Simon B, Calderwood DA. Kindlin-2 interacts with a highly conserved surface of ILK to regulate focal adhesion localization and cell spreading. Journal Of Cell Science 2018, 131: jcs221184. PMID: 30254023, PMCID: PMC6215391, DOI: 10.1242/jcs.221184.Peer-Reviewed Original ResearchConceptsIntegrin-linked kinaseFocal adhesion localizationKindlin-2Cell spreadingIntegrin-mediated signalingILK bindingILK mutantPseudokinase domainIntegrin signalingKnockdown cellsAxis downstreamC-lobeCell morphologyMutantsSignalingCentral rolePKDComplete understandingLocalizationFirst personKinaseAdaptorSitesSpeciesIntegrins
2015
PAK6 targets to cell–cell adhesions through its N-terminus in a Cdc42-dependent manner to drive epithelial colony escape
Morse EM, Sun X, Olberding JR, Ha BH, Boggon TJ, Calderwood DA. PAK6 targets to cell–cell adhesions through its N-terminus in a Cdc42-dependent manner to drive epithelial colony escape. Journal Of Cell Science 2015, 129: 380-393. PMID: 26598554, PMCID: PMC4732285, DOI: 10.1242/jcs.177493.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAntigens, CDCadherinsCdc42 GTP-Binding ProteinCell AdhesionCell Line, TumorEpithelial CellsHEK293 CellsHumansIntercellular JunctionsMolecular Sequence DataP21-Activated KinasesProtein BindingProtein Interaction Domains and MotifsProtein Sorting SignalsProtein TransportConceptsCell-cell adhesionN-terminusCdc42/Rac interactive binding (CRIB) domainSerine/threonine kinaseP21-activated kinase (PAK) familyCdc42-dependent mannerPolybasic regionThreonine kinaseCdc42 knockdownKinase familyBinding domainsKinase activityImportant regulatorCell adhesionPAK6Broader rolePAKAdhesionTargetingCdc42PAK1KinaseKnockdownRegulatorMutations
2014
Differences in binding to the ILK complex determines kindlin isoform adhesion localization and integrin activation
Huet-Calderwood C, Brahme NN, Kumar N, Stiegler AL, Raghavan S, Boggon TJ, Calderwood DA. Differences in binding to the ILK complex determines kindlin isoform adhesion localization and integrin activation. Journal Of Cell Science 2014, 127: 4308-4321. PMID: 25086068, PMCID: PMC4179494, DOI: 10.1242/jcs.155879.Peer-Reviewed Original ResearchConceptsIntegrin activationKindlin-2Kindlin-3Focal adhesion proteinsFunctional differencesIntegrin-linked kinaseILK complexAdhesion proteinsF2 subdomainMolecular basisIsoform specificityComplex bindsKindlinFA targetingActivation defectsCell adhesionActivationFALocalizesKinaseGFPSignalingILKIsoformsProtein
2013
Purification and SAXS Analysis of the Integrin Linked Kinase, PINCH, Parvin (IPP) Heterotrimeric Complex
Stiegler AL, Grant TD, Luft JR, Calderwood DA, Snell EH, Boggon TJ. Purification and SAXS Analysis of the Integrin Linked Kinase, PINCH, Parvin (IPP) Heterotrimeric Complex. PLOS ONE 2013, 8: e55591. PMID: 23383235, PMCID: PMC3561323, DOI: 10.1371/journal.pone.0055591.Peer-Reviewed Original ResearchConceptsIPP complexEnsemble optimization methodDetailed purification protocolHeterotrimeric protein complexIntegrin Linked KinaseIntegrin adhesion receptorsInter-domain linkerInter-domain interactionsInter-domain contactsGel filtration analysisΑ-parvinLIM1 domainHuman ILKSmall-angle X-ray scatteringHeterotrimeric complexProtein complexesFocal adhesionsAdhesion receptorsPINCH proteinFirst structural characterizationFiltration analysisPurification protocolConformational restraintsKinaseILK
2009
Structural basis of competition between PINCH1 and PINCH2 for binding to the ankyrin repeat domain of integrin-linked kinase
Chiswell BP, Stiegler AL, Razinia Z, Nalibotski E, Boggon TJ, Calderwood DA. Structural basis of competition between PINCH1 and PINCH2 for binding to the ankyrin repeat domain of integrin-linked kinase. Journal Of Structural Biology 2009, 170: 157-163. PMID: 19963065, PMCID: PMC2841223, DOI: 10.1016/j.jsb.2009.12.002.Peer-Reviewed Original ResearchMeSH KeywordsAdaptor Proteins, Signal TransducingAmino Acid SequenceAnkyrin RepeatBinding, CompetitiveCrystallizationDNA-Binding ProteinsGene Expression RegulationLIM Domain ProteinsMembrane ProteinsModels, MolecularMolecular Sequence DataMutagenesisProtein BindingProtein Serine-Threonine KinasesSignal TransductionConceptsIntegrin-linked kinaseAnkyrin repeat domainLIM1 domainIPP complexIsoform-specific functionsIntegrin adhesion receptorsDifferent cellular responsesPINCH2Repeat domainPINCH1Point mutagenesisStructural basisAdhesion receptorsCellular responsesAlters localizationDifferential regulationSame binding siteDirect competitionBinding sitesKinaseDomainAnkyrinParvinMutagenesisMammals
2008
The structural basis of integrin-linked kinase–PINCH interactions
Chiswell BP, Zhang R, Murphy JW, Boggon TJ, Calderwood DA. The structural basis of integrin-linked kinase–PINCH interactions. Proceedings Of The National Academy Of Sciences Of The United States Of America 2008, 105: 20677-20682. PMID: 19074270, PMCID: PMC2634877, DOI: 10.1073/pnas.0811415106.Peer-Reviewed Original ResearchConceptsIntegrin-linked kinaseLIM1 domainGrowth factor signalingAtomic resolution descriptionILK bindingAnkyrin repeatsILK-PINCHHeterotrimeric complexZinc fingerMolecular basisMutagenesis dataStructural basisCell adhesionPoint mutationsConformational flexibilityKey interactionsParvinConvergence pointLim1DomainAnkyrinKinaseComplexesRepeatsSignaling
2001
PEA-15 Mediates Cytoplasmic Sequestration of ERK MAP Kinase
Formstecher E, Ramos J, Fauquet M, Calderwood D, Hsieh J, Canton B, Nguyen X, Barnier J, Camonis J, Ginsberg M, Chneiweiss H. PEA-15 Mediates Cytoplasmic Sequestration of ERK MAP Kinase. Developmental Cell 2001, 1: 239-250. PMID: 11702783, DOI: 10.1016/s1534-5807(01)00035-1.Peer-Reviewed Original ResearchMeSH Keywords3T3 CellsActive Transport, Cell NucleusAmino Acid SequenceAnimalsApoptosis Regulatory ProteinsBlotting, NorthernCell DivisionCell NucleusCell SurvivalCHO CellsCricetinaeCytoplasmDNA, ComplementaryDose-Response Relationship, DrugGreen Fluorescent ProteinsImmunohistochemistryLuminescent ProteinsMAP Kinase Signaling SystemMiceMicroscopy, FluorescenceMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Mitogen-Activated Protein KinasesModels, BiologicalMolecular Sequence DataMutationPhosphoproteinsPrecipitin TestsProtein BindingSequence Homology, Amino AcidTime FactorsTranscription, GeneticTransfectionTwo-Hybrid System TechniquesConceptsERK MAP kinasePEA-15MAP kinaseERK nuclear localizationNuclear export sequenceERK-dependent transcriptionMAP kinase pathwayMultiple cell typesERK 1/2 MAP kinase pathwayExport sequenceSubcellular localizationNuclear localizationCytoplasmic sequestrationKinase pathwayIntegrin functionCell typesCell growthKinaseBiological outcomesCell proliferationGenetic deletionTranscriptionERKLocalizationProliferation