2015
Two Na+ Sites Control Conformational Change in a Neurotransmitter Transporter Homolog*
Tavoulari S, Margheritis E, Nagarajan A, DeWitt DC, Zhang YW, Rosado E, Ravera S, Rhoades E, Forrest LR, Rudnick G. Two Na+ Sites Control Conformational Change in a Neurotransmitter Transporter Homolog*. Journal Of Biological Chemistry 2015, 291: 1456-1471. PMID: 26582198, PMCID: PMC4714228, DOI: 10.1074/jbc.m115.692012.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SubstitutionAmino Acid Transport SystemsAquatic OrganismsBacterial ProteinsBinding SitesCysteineGram-Negative BacteriaLigandsLiposomesModels, MolecularMolecular Dynamics SimulationMutagenesis, Site-DirectedMutationPlasma Membrane Neurotransmitter Transport ProteinsProtein ConformationProtein FoldingProtein StabilityProteolipidsRecombinant ProteinsSodiumConceptsConformational changesTransmembrane helix 1Open conformational stateDependent conformational changesTransporter homologExtracellular gateProkaryotic homologCytoplasmic pathwayHelix 1Interaction networksIntermediary interactionsBiophysical assaysNeurotransmitter transportersSubstrate pathwayNa2 siteConformational statesHelix motionsLeuTDirect interactionDependent closureHomologMutantsDistinct stepsResiduesComputational analysis
1985
Effects of monovalent cations on Semliki Forest virus entry into BHK-21 cells.
Helenius A, Kielian M, Wellsteed J, Mellman I, Rudnick G. Effects of monovalent cations on Semliki Forest virus entry into BHK-21 cells. Journal Of Biological Chemistry 1985, 260: 5691-5697. PMID: 3988769, DOI: 10.1016/s0021-9258(18)89078-0.Peer-Reviewed Original ResearchConceptsSemliki Forest virusEndosome membraneViral envelopeBaby hamster kidney cellsMammalian cellsEndosomal membranesLow endosomalBHK-21 cellsHamster kidney cellsVirus endocytosisIntact cellsConformational changesEndosomesPrelysosomal endosomesViral spike glycoproteinVirus fusionKidney cellsAcidic endosomal pHViral RNAVoltage-sensitive probeEndocytosisVirus entryEndosomal pHCellsSpike glycoprotein