DepsipeptidesPeptides, CyclicGrenadaPeptidesPoriferaMolecular StructureCyanobacteriaNuclear Magnetic Resonance, BiomolecularMagnetic Resonance SpectroscopyDrug Screening Assays, AntitumorPeptide LibraryTyrocidineMomordicaCyclotidesAmino Acid SequenceCyclizationDianthusPeptide FragmentsOligopeptidesMolecular Sequence DataOldenlandiaCystine-Knot MiniproteinsEnviomycinCombinatorial Chemistry TechniquesStructure-Activity RelationshipModels, MolecularAntimicrobial Cationic PeptidesPeptide Biosynthesis, Nucleic Acid-IndependentSpectrometry, Mass, Fast Atom BombardmentProtein BindingMicrocystinsPeptide SynthasesSaponaria