title: Depsipeptide modification as a method of determining the contribution of intramolecular hydrogen bonds to the conformational stability of peptides (gramicidin S).
mesh_terms: D002942:Circular Dichroism; D006096:Gramicidin; D008968:Molecular Conformation; D010456:Peptides, Cyclic; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: D010456:Peptides, Cyclic; D006096:Gramicidin