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