SEARCH Articles Figures Tables Enhance the Diversity of Secondary Structure in Peptoid Foldamers Hydrogen-Bonding Patterns in the Secondary Structure Elements Secondary DNA Structure the Double Helix Secondary Structure of DNA The Double Helix Secondary a-deuterium kinetic isotope effect and the structure of ferrocenylmethyl carbocation type transition state Secondary structure Secondary structure and the subunits of FqF Secondary-structure contents of the peptides The alpha (a) helix is an important element of secondary structure The intrinsic nature of secondary structures The secondary structure model The secondary structure of DNA The secondary structure of a protein The secondary structure of proteins