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
2013
ASB2α, an E3 Ubiquitin Ligase Specificity Subunit, Regulates Cell Spreading and Triggers Proteasomal Degradation of Filamins by Targeting the Filamin Calponin Homology 1 Domain*
Razinia Z, Baldassarre M, Cantelli G, Calderwood DA. ASB2α, an E3 Ubiquitin Ligase Specificity Subunit, Regulates Cell Spreading and Triggers Proteasomal Degradation of Filamins by Targeting the Filamin Calponin Homology 1 Domain*. Journal Of Biological Chemistry 2013, 288: 32093-32105. PMID: 24052262, PMCID: PMC3814802, DOI: 10.1074/jbc.m113.496604.Peer-Reviewed Original ResearchConceptsHematopoietic cell differentiationSpecificity subunitProteasomal degradationF-actin-rich structuresE3 ubiquitin ligase complexCell differentiationNormal subcellular localizationHomology 1 domainLoss of filaminUbiquitin acceptor sitesActin-binding domainCross-linking proteinsActin-binding siteLigase complexActin cytoskeletonTransmembrane proteinSubcellular localizationΑ-actinin1Transient expressionASB2αDegradation of filaminMinimal fragmentLysine residuesFilaminCell adhesion
2012
Filamin A controls matrix metalloproteinase activity and regulates cell invasion in human fibrosarcoma cells
Baldassarre M, Razinia Z, Brahme NN, Buccione R, Calderwood DA. Filamin A controls matrix metalloproteinase activity and regulates cell invasion in human fibrosarcoma cells. Journal Of Cell Science 2012, 125: 3858-3869. PMID: 22595522, PMCID: PMC3462082, DOI: 10.1242/jcs.104018.Peer-Reviewed Original ResearchMeSH KeywordsActinsCell AdhesionCell Line, TumorCell MovementContractile ProteinsEnzyme ActivationExtracellular MatrixFibrosarcomaFilaminsGene Knockdown TechniquesHumansIntegrinsMatrix Metalloproteinase 14Matrix Metalloproteinase 2Microfilament ProteinsNeoplasm InvasivenessPhenotypeProtein Structure, TertiaryConceptsFilamin AActin cytoskeletonCell invasionActin-binding domainCell surface adhesion proteinsControls cell motilityActin-binding proteinsIntegrin adhesion receptorsRandom cell migrationAbility of cellsArray of intracellularBreast cancer lossSurface adhesion proteinsHuman fibrosarcoma cellsExtracellular matrix degradationMatrix metalloproteinase activityFilamin expressionKnockdown cellsAdhesion proteinsCell motilityMetalloproteinase activityActin filamentsAdhesion receptorsFilaminECM remodeling
2008
Structural 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