Wrinch assumed that the cyclol form of the peptide bond could be more stable than the amide form .
Wrinch concluded that certain cyclic peptides would naturally make the maximal number of cyclol bonds ( such as cyclol 6 , Figure 2 ) .
Assuming that the cyclol form of the peptide bond could be more stable than the amide form , Wrinch concluded that certain cyclic peptides would naturally make the maximal number of cyclol bonds ( such as cyclol 6 , Figure 2 ) .