2024
HIV-1 usurps mixed-charge domain-dependent CPSF6 phase separation for higher-order capsid binding, nuclear entry and viral DNA integration
Jang S, Bedwell G, Singh S, Yu H, Arnarson B, Singh P, Radhakrishnan R, Douglas A, Ingram Z, Freniere C, Akkermans O, Sarafianos S, Ambrose Z, Xiong Y, Anekal P, Llopis P, KewalRamani V, Francis A, Engelman A. HIV-1 usurps mixed-charge domain-dependent CPSF6 phase separation for higher-order capsid binding, nuclear entry and viral DNA integration. Nucleic Acids Research 2024, 52: 11060-11082. PMID: 39258548, PMCID: PMC11472059, DOI: 10.1093/nar/gkae769.Peer-Reviewed Original ResearchConceptsHIV-1 infectionHIV-1Viral DNA integrationCPSF6 knockout cellsActivity in vitroHIV-1 pathogenesisHIV-1 integrationDNA integrityLiquid-liquid phase separationViral infectionNuclear specklesInfectionCapsids in vitroCPSF6NS depletionNuclear entryCapsid bindingCapsid-binding proteinKnockout cellsBinding proteinSR proteinsNuclear rimCo-aggregationDisordered regions
2007
Characterization of a Novel Cullin5 Binding Domain in HIV-1 Vif
Xiao Z, Xiong Y, Zhang W, Tan L, Ehrlich E, Guo D, Yu X. Characterization of a Novel Cullin5 Binding Domain in HIV-1 Vif. Journal Of Molecular Biology 2007, 373: 541-550. PMID: 17869271, DOI: 10.1016/j.jmb.2007.07.029.Peer-Reviewed Original ResearchConceptsVif functionHCCH motifA3GPotential new targetsA3G degradationE3 ubiquitin ligaseUbiquitin-proteasome machineryHIV-1 VifAnti-viral drug developmentBC boxCul5 boxUbiquitin ligaseNovel motifProteasomal degradationCys residuesNew targetsDrug developmentMotifCullin5ResiduesStructural requirementsVif