2024
Structural insights into PPP2R5A degradation by HIV-1 Vif
Hu Y, Delviks-Frankenberry K, Wu C, Arizaga F, Pathak V, Xiong Y. Structural insights into PPP2R5A degradation by HIV-1 Vif. Nature Structural & Molecular Biology 2024, 31: 1492-1501. PMID: 38789685, DOI: 10.1038/s41594-024-01314-6.Peer-Reviewed Original ResearchHost-virus protein interactionsCullin RING E3 ubiquitin ligasesInduced G2/M cell cycle arrestSets of proteinsG2/M cell cycle arrestSubstrate-binding siteCryogenic-electron microscopy structuresProtein phosphatase 2ADegradation-independent mechanismCell cycle arrestUbiquitin ligaseProtein interactionsPhosphatase 2AAntiviral proteinCycle arrestDegradation-dependentA-resolutionHIV-1 VifPPP2R5AStructural insightsDiverse interactionsProteinCellular studiesPhosphatase activityPotential target
2006
Zinc chelation inhibits HIV Vif activity and liberates antiviral function of the cytidine deaminase APOBEC3G
Xiao Z, Ehrlich E, Luo K, Xiong Y, Yu X. Zinc chelation inhibits HIV Vif activity and liberates antiviral function of the cytidine deaminase APOBEC3G. The FASEB Journal 2006, 21: 217-222. PMID: 17135358, DOI: 10.1096/fj.06-6773com.Peer-Reviewed Original ResearchConceptsTetrakis (2-pyridylmethyl) ethylenediamineVif functionZinc chelationE3 ubiquitin ligaseCytidine deaminase APOBEC3GCellular antiviral proteinsLentiviral Vif proteinsAPOBEC3G degradationSubstrate receptorHIV-1 VifMembrane-permeable zinc chelatorVif actsUbiquitin ligaseProteasomal degradationNovel drug designAntiviral functionAntiviral proteinVif proteinAntiviral activityVif activityAPOBEC3GAPOBEC3 proteinsNew targetsInfectivity assaysZinc chelator