SEARCH Articles Figures Tables Alternate conformer, calix arenes Alternative chair conformation Alternative conformations Alternative conformations Amino acid sequences alternative conformations Calixarenes 1,3-alternate conformer Calixarenes 1.2- alternate conformation Chain conformation alternating copolymers Chair conformations drawing alternative Conformation flattened 1,2-alternate Cyclohexane drawing alternative chair conformations Secondary protein structures alternative conformations