2021
A human apolipoprotein L with detergent-like activity kills intracellular pathogens
Gaudet RG, Zhu S, Halder A, Kim BH, Bradfield CJ, Huang S, Xu D, Mamiñska A, Nguyen TN, Lazarou M, Karatekin E, Gupta K, MacMicking JD. A human apolipoprotein L with detergent-like activity kills intracellular pathogens. Science 2021, 373 PMID: 34437126, PMCID: PMC8422858, DOI: 10.1126/science.abf8113.Peer-Reviewed Original ResearchMeSH KeywordsApolipoproteins LBacterial Outer MembraneBacteriolysisCell MembraneCell Membrane PermeabilityCells, CulturedCRISPR-Cas SystemsCytosolDetergentsGene EditingGram-Negative BacteriaGTP-Binding ProteinsHumansImmunity, InnateInterferon-gammaLipoproteinsMicrobial ViabilityO AntigensProtein DomainsSalmonella typhimuriumSolubilityConceptsSingle-particle cryo-electron microscopyCell-autonomous defenseCytosol-invasive bacteriaExpression of hundredsNative mass spectrometryCryo-electron microscopyHuman genesDetergent-like activityHost proteinsLipoprotein nanodiscsMammalian lipidsExtracellular transportImmune cytokine interferonCell typesDetergent-like propertiesApolipoprotein LLife-threatening infectionsPotent bactericidal agentsAnionic membranesProteinCytokine interferonNonimmune cellsMass spectrometryCellsMutagenesis
2017
Integrating mass spectrometry with MD simulations reveals the role of lipids in Na+/H+ antiporters
Landreh M, Marklund EG, Uzdavinys P, Degiacomi MT, Coincon M, Gault J, Gupta K, Liko I, Benesch JL, Drew D, Robinson CV. Integrating mass spectrometry with MD simulations reveals the role of lipids in Na+/H+ antiporters. Nature Communications 2017, 8: 13993. PMID: 28071645, PMCID: PMC5234078, DOI: 10.1038/ncomms13993.Peer-Reviewed Original ResearchConceptsIon mobility mass spectrometryGas phaseMass spectrometryMobility mass spectrometryMolecular dynamics simulationsCatalysis rateMD simulationsLipid-binding propertiesDynamics simulationsConformational stabilityStable dimerLarge-scale conformational changesSecondary active transportersConformational changesSpectrometryAntiporter NhaAKingdoms of lifeAnnular lipidsNative foldProtein segmentsInter-domain contactsRole of lipidsThermus thermophilusMembrane lipidsNHA2