2016
Mechanism of Paroxetine (Paxil) Inhibition of the Serotonin Transporter
Davis BA, Nagarajan A, Forrest LR, Singh SK. Mechanism of Paroxetine (Paxil) Inhibition of the Serotonin Transporter. Scientific Reports 2016, 6: 23789. PMID: 27032980, PMCID: PMC4817154, DOI: 10.1038/srep23789.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBinding SitesCells, CulturedChickensCocaineDopamine Plasma Membrane Transport ProteinsDrosophila melanogasterDrosophila ProteinsModels, MolecularMolecular ConformationMolecular Docking SimulationParoxetineProtein ConformationRadioligand AssaySelective Serotonin Reuptake InhibitorsSequence AlignmentSequence Homology, Amino AcidSerotoninSerotonin Plasma Membrane Transport ProteinsConceptsIntegral membrane proteinsDrosophila melanogaster dopamine transporterSERT homology modelMembrane proteinsSerotonin transporterMolecular insightsHomology modelIon gradientsFlux assaysTransportersSERT substratesPotassium ion gradientSignificant clinical attentionPresynaptic neuronsDopamine transporterProteinUnfavorable movementSitesSynaptic serotoninBindingSubstrateAssaysRadioligand bindingInhibitorsPotent selective serotonin reuptake inhibitor
2014
Functionally Important Carboxyls in a Bacterial Homologue of the Vesicular Monoamine Transporter (VMAT)*
Yaffe D, Vergara-Jaque A, Shuster Y, Listov D, Meena S, Singh SK, Forrest LR, Schuldiner S. Functionally Important Carboxyls in a Bacterial Homologue of the Vesicular Monoamine Transporter (VMAT)*. Journal Of Biological Chemistry 2014, 289: 34229-34240. PMID: 25336661, PMCID: PMC4256354, DOI: 10.1074/jbc.m114.607366.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsArginineBacterial ProteinsBiogenic MonoaminesBrevibacillusCarrier ProteinsDrug Resistance, BacterialEscherichia coliEvolution, MolecularGene ExpressionHistidineModels, MolecularMolecular Sequence DataProtein FoldingRatsRecombinant ProteinsSequence AlignmentStructural Homology, ProteinStructure-Activity RelationshipSubstrate SpecificitySynaptic TransmissionVesicular Monoamine Transport ProteinsConceptsBacterial multidrug transportersMultidrug transporterBacterial homologueVesicular monoamine transporterRat vesicular monoamine transporterMonoamine transportersPreliminary biochemical characterizationMammalian transportersTransmembrane helicesMammalian counterpartsTransmembrane segmentsMammalian organismsEvolutionary aspectsMajor facilitatorBiochemical characterizationImportant carboxylB. brevisHomology modelBiochemical studiesTransportersHomologuesCarboxyl residuesAntibiotic resistanceOrganismsNeurotransporters
2008
LeuT: A prokaryotic stepping stone on the way to a eukaryotic neurotransmitter transporter structure
Singh SK. LeuT: A prokaryotic stepping stone on the way to a eukaryotic neurotransmitter transporter structure. Channels 2008, 2: 380-389. PMID: 19066470, DOI: 10.4161/chan.2.5.6904.Peer-Reviewed Original ResearchConceptsSodium binding siteSolute carrier 6 (SLC6) familyIntegral membrane proteinsStructure/function studiesBinding sitesCrystal structureEukaryotic counterpartsAccurate homology modelsTransporter structureBacterial membersMembrane proteinsNutrient uptakeSequence identityMolecular insightsConformational changesHomology modelSecondary transportLeuTNeurotransmitter clearanceLipid bilayersSolute moleculesBiochemical dataFunction studiesIon bindingCrucial role