2018
Structural basis of the filamin A actin-binding domain interaction with F-actin
Iwamoto DV, Huehn A, Simon B, Huet-Calderwood C, Baldassarre M, Sindelar CV, Calderwood DA. Structural basis of the filamin A actin-binding domain interaction with F-actin. Nature Structural & Molecular Biology 2018, 25: 918-927. PMID: 30224736, PMCID: PMC6173970, DOI: 10.1038/s41594-018-0128-3.Peer-Reviewed Original ResearchConceptsActin-binding domainCalponin homology domainHomology domainF-actinActin cross-linking proteinFunction mutationsTandem calponin homology domainsDisease-associated mutantsCryo-electron microscopyHigh-resolution structuresNumerous genetic diseasesSequence conservationHigher-order structureLinking proteinStructural basisDomain interactionsCell shapeActin filamentsMolecular understandingN-terminalFunctional studiesGenetic diseasesMissense mutationsMutationsAtomic resolution
2012
Structural Basis for Paxillin Binding and Focal Adhesion Targeting of β-Parvin*
Stiegler AL, Draheim KM, Li X, Chayen NE, Calderwood DA, Boggon TJ. Structural Basis for Paxillin Binding and Focal Adhesion Targeting of β-Parvin*. Journal Of Biological Chemistry 2012, 287: 32566-32577. PMID: 22869380, PMCID: PMC3463362, DOI: 10.1074/jbc.m112.367342.Peer-Reviewed Original ResearchConceptsΒ-parvinFocal adhesionsPaxillin bindingΑ-parvinFocal adhesion targetingN-terminal α-helixPaxillin LD1 motifCalponin homology domainFirst molecular detailsHigh sequence similarityCytoplasmic adaptor proteinIntegrin-linked kinasePaxillin LD1Co-crystal structureLD4 motifSignificant conformational flexibilityHomology domainAdaptor proteinCellular functionsSequence similarityRepeat motifsProper localizationMolecular detailsPaxillinStructural basis
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 pointLim1DomainAnkyrinKinaseComplexesRepeatsSignalingStructural Basis of the Migfilin-Filamin Interaction and Competition with Integrin β Tails*
Lad Y, Jiang P, Ruskamo S, Harburger DS, Ylänne J, Campbell ID, Calderwood DA. Structural Basis of the Migfilin-Filamin Interaction and Competition with Integrin β Tails*. Journal Of Biological Chemistry 2008, 283: 35154-35163. PMID: 18829455, PMCID: PMC2596399, DOI: 10.1074/jbc.m802592200.Peer-Reviewed Original ResearchConceptsCell-extracellular matrix adhesion sitesHuman filaminN-terminal actin-binding domainProtein-protein interaction studiesActin cross-linking protein filaminIntegrin β tailsMatrix adhesion sitesActin-binding domainIntegrin beta tailsN-terminal portionIntegrin-cytoskeleton linkagesImmunoglobulin-like domainsIntegrin tailsΒ tailAdaptor proteinMigfilinBeta tailsProtein filaminCommon binding siteMolecular basisStructural basisAdhesion sitesCell shapeFilaminCell adhesion