G N Ramachandran

An explanation for the rare occurrence of cis peptide units in proteins and polypeptides.

G. N. Ramachandran, A. Mitra, A K Mitra, 1976, Journal of molecular biology.

A proposal of standard conventions and nomenclature for the description of polypeptide conformations.

P J Flory, H A Scheraga, J C Kendrew, 1966, Journal of molecular biology.