Functionalized DNA-Origami-Protein Nanopores Generate Large Transmembrane Channels with Programmable Size-Selectivity
Shen Q, Xiong Q, Zhou K, Feng Q, Liu L, Tian T, Wu C, Xiong Y, Melia T, Lusk C, Lin C. Functionalized DNA-Origami-Protein Nanopores Generate Large Transmembrane Channels with Programmable Size-Selectivity. Journal Of The American Chemical Society 2022, 145: 1292-1300. PMID: 36577119, PMCID: PMC9852090, DOI: 10.1021/jacs.2c11226.Peer-Reviewed Original ResearchConceptsExchange of macromoleculesCholesterol-rich membranesHybrid nanoporesSynthetic biologyBiophysical toolsSynthetic cellsTransmembrane channelsTransmembrane nanoporesDNA ringsProtein nanoporeCell membraneBacterial toxinsDNA origami techniqueLipid membranesAnalytical chemistryMacromolecule sizeDNA origamiMembraneProgrammable sizeNanoporesSized poresNucleoporinsAverage inner diameterCellsPneumolysinA Programmable DNA Origami Platform for Organizing Intrinsically Disordered Nucleoporins within Nanopore Confinement
Fisher PDE, Shen Q, Akpinar B, Davis LK, Chung KKH, Baddeley D, Šarić A, Melia TJ, Hoogenboom BW, Lin C, Lusk CP. A Programmable DNA Origami Platform for Organizing Intrinsically Disordered Nucleoporins within Nanopore Confinement. ACS Nano 2018, 12: 1508-1518. PMID: 29350911, PMCID: PMC5834394, DOI: 10.1021/acsnano.7b08044.Peer-Reviewed Original ResearchConceptsTransport channelsAtomic force microscopyMolecular dynamics simulationsHigh-speed atomic force microscopyDNA origami platformFG domainsNuclear pore complexes (NPCs) formChannel mimicsCentral transport channelNuclear pore proteinsForce microscopyDNA origamiNuclear transport receptorsDynamics simulationsSelective transportNanopore confinementMolecular exchangePermeability propertiesDNA cylindersChemical compositionFG networkPore proteinsPolymer modelTransport receptorsCollective properties