Crystallography, X-RayNeutron DiffractionCrystallographyNeutronsSynchrotronsModels, MolecularCrystallizationProteinsProtein ConformationMolecular ConformationCryoelectron MicroscopyX-Ray DiffractionBinding SitesProtein Structure, TertiaryMolecular StructureElectronsProtein Structure, SecondaryNuclear Magnetic Resonance, BiomolecularAmino Acid SequenceHydrogen BondingMolecular Sequence DataProtein BindingCatalytic DomainMagnetic Resonance SpectroscopyProtein Structure, QuaternaryPhotoreceptors, MicrobialScattering, Small AngleLigandsStructure-Activity RelationshipCatalysisNegative StainingX-RaysDimerizationModels, ChemicalBacterial ProteinsMuramidaseKineticsMutagenesis, Site-DirectedProtein MultimerizationStereoisomerismMolecular Dynamics SimulationProtein FoldingMicrospectrophotometryStatic ElectricityDrug DesignWaterThermodynamicsSequence Homology, Amino AcidSolutionsMacromolecular SubstancesAutomation, LaboratoryEscherichia coliStructural Homology, ProteinAutomatic Data ProcessingRecombinant ProteinsMyoglobinNucleic Acid ConformationSubstrate SpecificityCarbonic Anhydrase IISelenomethionineAmino Acid SubstitutionComputer SimulationCalorimetrySequence AlignmentMutationProtein EngineeringHydrophobic and Hydrophilic InteractionsFourier AnalysisWhalesSoftwareMicroscopy, ElectronCalixarenes