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 resolutionHigh-resolution cryo-EM structures of actin-bound myosin states reveal the mechanism of myosin force sensing
Mentes A, Huehn A, Liu X, Zwolak A, Dominguez R, Shuman H, Ostap EM, Sindelar CV. High-resolution cryo-EM structures of actin-bound myosin states reveal the mechanism of myosin force sensing. Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 115: 1292-1297. PMID: 29358376, PMCID: PMC5819444, DOI: 10.1073/pnas.1718316115.Peer-Reviewed Original ResearchConceptsN-terminal subdomainHigh-resolution cryo-EM structuresADP stateNear-atomic resolution structuresCryo-EM structureCryo-electron microscopyHigh-resolution structuresIsoform-dependent mannerFilamentous actinResolution structureStructural basisMyosin IBActin filamentsStructural diversityRelease pathwayADP releaseActinPointed endPotent stabilizerMyosin