Crystallography, X-RayModels, MolecularGlutamatesCrystallizationReceptors, GlutamateProtein ConformationBinding SitesGlutamic AcidProtein Structure, TertiaryMolecular Sequence DataAmino Acid SequenceProtein Structure, SecondaryProtein BindingGlutamate DehydrogenaseReceptors, Metabotropic GlutamateCrystallographyProtein Structure, QuaternaryCatalytic DomainSequence Homology, Amino AcidHydrogen BondingDimerizationSequence AlignmentStructural Homology, ProteinSodium GlutamateAmino Acid Transport System X-AGBacterial ProteinsGlutamate SynthaseSubstrate SpecificityCatalysisLigandsMolecular StructureMolecular ConformationProtein MultimerizationGlutamate Plasma Membrane Transport ProteinsEscherichia coliMutagenesis, Site-DirectedReceptor, Metabotropic Glutamate 5Structure-Activity RelationshipStatic ElectricityRecombinant ProteinsKineticsProtein FoldingMutationLiquid CrystalsAspartic AcidVesicular Glutamate Transport ProteinsExcitatory Amino Acid AntagonistsX-Ray DiffractionExcitatory Amino Acid Transporter 2Amino Acid MotifsVesicular Glutamate Transport Protein 2Amino Acid SubstitutionBase SequenceHydrophobic and Hydrophilic InteractionsModels, ChemicalReceptors, AMPAEscherichia coli ProteinsGlutamineExcitatory Amino Acid AgonistsConserved SequenceVesicular Glutamate Transport Protein 1Protein SubunitsProtein Interaction Domains and MotifsReceptors, N-Methyl-D-AspartateBiocatalysisNucleic Acid ConformationExcitatory Amino Acid Transporter 1Magnetic Resonance SpectroscopyGlutamate DecarboxylaseThermotoga maritimaThermus thermophilusExcitatory Amino Acid Transporter 3Carrier ProteinsDNAElectronsWaterGlutamate Dehydrogenase (NADP+)NeuronsKainic AcidReceptors, Ionotropic GlutamateCloning, MolecularArchaeal ProteinsThermodynamicsAmino AcidsRats, Sprague-DawleySolutionsCalciumSynaptic TransmissionHistidineReceptors, Kainic AcidCysteineMutant ProteinsDNA-Binding ProteinsDrug DesignHydrogen-Ion ConcentrationZincAdenosine TriphosphatePeptidesHippocampusMutagenesis