Flexible 3D Peptide Models

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These peptide models are highly versatile, permitting unrestricted rotation about both phi and psi angles for each amino acid residue. Furthermore, they offer an accurate depiction of peptides' steric and hydrogen bonding potential, including explicit representation of backbone hydrogen bond donors and acceptors. These detailed models should prove invaluable to biochemistry and molecular biology educators and their students in explaining the fundamental principles underlying protein secondary structure.