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Secondary structure formation in beta-Peptides

A very actual subject of research in the field of peptide an protein design are oligomers of β-amino acids called β-peptides. Interestingly, such β-peptides are able to form characteristic secondary structure elements despite the additional Cβ-atom which makes a β-peptide sequence more flexible. It may be interesting to get information on the possibilities of secondary structure formation in β-peptides and to compare them with the familiar structures of α-peptides. The typical elements of secondary structure in natural peptides can be derived from characteristic conformations in very short peptide units.