2024
Channel width modulates the permeability of DNA origami–based nuclear pore mimics
Feng Q, Saladin M, Wu C, Cao E, Zheng W, Zhang A, Bhardwaj P, Li X, Shen Q, Kapinos L, Kozai T, Mariappan M, Lusk C, Xiong Y, Lim R, Lin C. Channel width modulates the permeability of DNA origami–based nuclear pore mimics. Science Advances 2024, 10: eadq8773. PMID: 39536094, PMCID: PMC11559598, DOI: 10.1126/sciadv.adq8773.Peer-Reviewed Original Research
2023
The capsid lattice engages a bipartite NUP153 motif to mediate nuclear entry of HIV-1 cores
Shen Q, Kumari S, Xu C, Jang S, Shi J, Burdick R, Levintov L, Xiong Q, Wu C, Devarkar S, Tian T, Tripler T, Hu Y, Yuan S, Temple J, Feng Q, Lusk C, Aiken C, Engelman A, Perilla J, Pathak V, Lin C, Xiong Y. The capsid lattice engages a bipartite NUP153 motif to mediate nuclear entry of HIV-1 cores. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2202815120. PMID: 36943880, PMCID: PMC10068764, DOI: 10.1073/pnas.2202815120.Peer-Reviewed Original ResearchConceptsHIV-1 capsidC-terminal tail regionTriple arginine motifNuclear pore complexPhenylalanine-glycine motifsBipartite motifNuclear importPore complexNuclear poresNuclear entryNup153Capsid latticeInteraction moduleProtein latticeCA assemblyCA hexamersIntact capsidsNucleoporinsHIV-1 coreMotifCapsidTail regionIntact formInfection studiesMechanistic evidenceModeling HIV-1 nuclear entry with nucleoporin-gated DNA-origami channels
Shen Q, Feng Q, Wu C, Xiong Q, Tian T, Yuan S, Shi J, Bedwell G, Yang R, Aiken C, Engelman A, Lusk C, Lin C, Xiong Y. Modeling HIV-1 nuclear entry with nucleoporin-gated DNA-origami channels. Nature Structural & Molecular Biology 2023, 30: 425-435. PMID: 36807645, PMCID: PMC10121901, DOI: 10.1038/s41594-023-00925-9.Peer-Reviewed Original ResearchConceptsNuclear pore complexHIV-1 nuclear entryNuclear entryNuclear importNPC central channelPore complexHost nucleusCapsid dockingVirus genomeAffinity gradientNup153Central channelMechanistic insightsMolecular interactionsCapsidNucleoporinsNup358Nup62GenomeNucleusVirusDockingVirus-1 infectionImportComplexes
2021
DNA-Origami NanoTrap for Studying the Selective Barriers Formed by Phenylalanine-Glycine-Rich Nucleoporins
Shen Q, Tian T, Xiong Q, Fisher P, Xiong Y, Melia TJ, Lusk CP, Lin C. DNA-Origami NanoTrap for Studying the Selective Barriers Formed by Phenylalanine-Glycine-Rich Nucleoporins. Journal Of The American Chemical Society 2021, 143: 12294-12303. PMID: 34324340, PMCID: PMC8363578, DOI: 10.1021/jacs.1c05550.Peer-Reviewed Original ResearchConceptsNuclear pore complexFundamental biological activitiesRich nucleoporinsNuclear transport receptorsSelective barrierPhenylalanine-GlycineStructure-function relationshipsPore complexNuclear transportTransport receptorsProtein assembliesFG-NupsMolecular trafficFG interactionsFG networkBiomolecular machinesNucleoporinsCritical determinantDNA nanotechnologyBiomimetic constructsBiological activityDiffusion barrierModel cargoNanotrapsSpatial arrangement
2019
Quantification of Biomolecular Dynamics Inside Real and Synthetic Nuclear Pore Complexes Using Time-Resolved Atomic Force Microscopy
Stanley GJ, Akpinar B, Shen Q, Fisher PDE, Lusk CP, Lin C, Hoogenboom BW. Quantification of Biomolecular Dynamics Inside Real and Synthetic Nuclear Pore Complexes Using Time-Resolved Atomic Force Microscopy. ACS Nano 2019, 13: 7949-7956. PMID: 31241896, PMCID: PMC6660115, DOI: 10.1021/acsnano.9b02424.Peer-Reviewed Original ResearchConceptsNuclear pore complexAtomic force microscopyTransport barrierForce microscopyBiomolecular dynamicsPore complexNative nuclear pore complexesDynamics of biomoleculesNanometer length scaleDNA origami scaffoldMs temporal resolutionCollective transitionsMacromolecular trafficSelective gatewaySuch proteinsBiomolecular systemsOrigami scaffoldCohesive interactionsObserved dynamicsSuch experimentsTime scalesProteinBiological systemsLength scalesDrift correction