2010
Reconstructing a Chloride-binding Site in a Bacterial Neurotransmitter Transporter Homologue*
Tavoulari S, Rizwan AN, Forrest LR, Rudnick G. Reconstructing a Chloride-binding Site in a Bacterial Neurotransmitter Transporter Homologue*. Journal Of Biological Chemistry 2010, 286: 2834-2842. PMID: 21115480, PMCID: PMC3024779, DOI: 10.1074/jbc.m110.186064.Peer-Reviewed Original ResearchConceptsChloride-binding siteConformational changesAdjacent binding sitesSingle point mutationProkaryotic homologuesSubstrate translocationIon-binding sitesTransporter homologueTransport proteinsNeurotransmitter transportersNeurotransmitter transportPoint mutationsBinding sitesHomologuesProteinMutationsCl(-) bindsDirect evidenceTherapeutic drugsSitesDependent formTranslocationTransportersBindsResidues
1997
An Extracellular Loop Region of the Serotonin Transporter May Be Involved in the Translocation Mechanism â€
Stephan M, Chen M, Penado K, Rudnick G. An Extracellular Loop Region of the Serotonin Transporter May Be Involved in the Translocation Mechanism †. Biochemistry 1997, 36: 1322-1328. PMID: 9063880, DOI: 10.1021/bi962150l.Peer-Reviewed Original ResearchConceptsLarge extracellular loopChimeric transportersWild typeWild type SERTExtracellular loopCocaine analog 2beta-carbomethoxy-3betaCell surface biotinylationWild-type levelsSubstrate translocationExtracellular loop regionSurface biotinylationTranslocation mechanismSerotonin transporterHomologous familyType levelsConformational changesLoop regionRestriction sitesTransportersPoor expressionSubstituted regionsSynaptic cleftDrug bindingSame specificityHigh affinity
1989
Zwitterionic and Anionic Forms of a Serotonin Analog as Transport Substrates
Rudnick G, Kirk K, Fishkes H, Schuldiner S. Zwitterionic and Anionic Forms of a Serotonin Analog as Transport Substrates. Journal Of Biological Chemistry 1989, 264: 14865-14868. PMID: 2549040, DOI: 10.1016/s0021-9258(18)63781-0.Peer-Reviewed Original ResearchConceptsBiogenic amine transportersAmine transportersPlasma membrane serotonin transporterSubstrate translocationBovine chromaffin granulesTransport substratesHuman blood plateletsSerotonin transportChromaffin granulesTransportersBlood plateletsSerotonin transporterKmIdentical ratesTranslocationSubstrateTransport
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