N-Protected, conformationally constrained, eight-membered ring containing cyclic dipeptides derived from methyl cyclo-[(R)-cysteinyl-(R)-penicillamine] contain a cis amide bond, whilst the corresponding peptides derved from cyclo-[(R)-cysteinyl-(S)-penicillamine] contain a trans amide bond.
No takes yet. Share an insight, caveat, or question.
Cumberbatch et al. (1993) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: