2024
Bioorthogonal click labeling of an amber-free HIV-1 provirus for in-virus single molecule imaging
Ao Y, Grover J, Gifford L, Han Y, Zhong G, Katte R, Li W, Bhattacharjee R, Zhang B, Sauve S, Qin W, Ghimire D, Haque M, Arthos J, Moradi M, Mothes W, Lemke E, Kwong P, Melikyan G, Lu M. Bioorthogonal click labeling of an amber-free HIV-1 provirus for in-virus single molecule imaging. Cell Chemical Biology 2024, 31: 487-501.e7. PMID: 38232732, PMCID: PMC10960674, DOI: 10.1016/j.chembiol.2023.12.017.Peer-Reviewed Original ResearchHIV-1Human immunodeficiency virus-1HIV-1 provirusMinimally invasive approachImmunodeficiency virus-1HIV-1 systemInvasive approachImmune evasionEnvVirus 1Virus entryStudies of virus entryCell entrySingle-molecule Forster resonance energy transferStructural dynamicsSingle molecule imagingMultiple conformational statesForster resonance energy transferCellsClick chemistryVirion internalizationResonance energy transferMolecule imagingEnergy transferLabeling of proteins
2019
Associating HIV-1 envelope glycoprotein structures with states on the virus observed by smFRET
Lu M, Ma X, Castillo-Menendez LR, Gorman J, Alsahafi N, Ermel U, Terry DS, Chambers M, Peng D, Zhang B, Zhou T, Reichard N, Wang K, Grover JR, Carman BP, Gardner MR, Nikić-Spiegel I, Sugawara A, Arthos J, Lemke EA, Smith AB, Farzan M, Abrams C, Munro JB, McDermott AB, Finzi A, Kwong PD, Blanchard SC, Sodroski JG, Mothes W. Associating HIV-1 envelope glycoprotein structures with states on the virus observed by smFRET. Nature 2019, 568: 415-419. PMID: 30971821, PMCID: PMC6655592, DOI: 10.1038/s41586-019-1101-y.Peer-Reviewed Original ResearchConceptsSingle-molecule fluorescence resonance energy transferCryo-electron microscopy studiesHigh-resolution structuresFluorescence resonance energy transferState 1 conformationProline substitutionConformational statesResonance energy transferDisulfide bondsCell entryIntermediate conformationsReceptor moleculesGlycoprotein structureStructural studiesIntact virionsViral EnvCD4 receptor moleculeIntact virusConformationState 2TrimerState 1