Enzyme StabilityKineticsHot TemperatureProtein DenaturationMutagenesis, Site-DirectedCatalysisTemperatureMolecular Sequence DataDrug StabilityMutationAmino Acid SequenceModels, MolecularProtein ConformationHydrogen-Ion ConcentrationEscherichia coliProtein StabilityRecombinant ProteinsRNA StabilitySubstrate SpecificityThermodynamicsBase SequenceLiverRNA, MessengerEnzymesProtein FoldingCircular Dichroism