BioengineeringProtein EngineeringBiomedical EngineeringNational Institute of Biomedical Imaging and Bioengineering (U.S.)Tissue EngineeringTissue ScaffoldsBioartificial OrgansNeuroendocrinologyGenetic EngineeringRegenerative MedicineBiocompatible MaterialsDNA ShufflingAcademies and InstitutesNisinModels, MolecularBiochemistryMetabolic EngineeringMolecular Sequence DataAmino Acid SequenceBioreactorsDirected Molecular EvolutionRegenerationProtein ConformationProtein FoldingMutagenesis, Site-DirectedSubtilisinExtracellular MatrixInteinsEscherichia coliKineticsCell Culture TechniquesProtein StabilityProtein Structure, SecondaryStem Cell TransplantationBinding SitesEnzyme StabilityBiotechnologyProteinsSynthetic BiologyStem CellsMutationProtein Structure, TertiaryMutagenesisBiomechanical PhenomenaProtein SplicingRecombinant ProteinsCrystallography, X-RayPeptide LibrarySubstrate SpecificityStructure-Activity RelationshipAmino Acid Substitution