PolylysinePeptidesProtaminesPeptide FragmentsPeptide LibraryAntimicrobial Cationic PeptidesOligopeptidesAmino Acid SequencePeptides, CyclicCation Exchange ResinsCasein KinasesKineticsPolyaminesMolecular Sequence DataPeptide MappingProtein BindingPolymersCationsSubstrate SpecificityNatriuretic Peptide, BrainGene Transfer TechniquesMolecular WeightProtein ConformationLysineBinding SitesCattleCell Line