Nerve Tissue ProteinsModels, MolecularBinding SitesAmino Acid SequenceProtein ConformationMolecular Sequence DataProteinsHydrogen BondingSequence Analysis, ProteinCrystallography, X-RayMutagenesis, Site-DirectedProtein BindingDatabases, ProteinAmino Acid SubstitutionProtein Structure, SecondaryProtein Structure, TertiaryAmino AcidsStructure-Activity RelationshipSequence AlignmentSolventsKineticsCatalytic DomainCatalysisStatic ElectricityMutationThermodynamicsModels, ChemicalProtein FoldingComputer SimulationSoftwareMolecular StructureComputational BiologySequence Homology, Amino AcidBase SequenceCysteineEscherichia coliDrug ResiduesRecombinant ProteinsSubstrate SpecificityPeptide FragmentsPesticide ResiduesCloning, MolecularHistidineLysinePeptidesConserved SequenceMagnetic Resonance SpectroscopyCircular DichroismBacterial ProteinsAlanineAmino Acid MotifsCell LineMutagenesisTryptophan