K Gunasekaran

Disallowed Ramachandran conformations of amino acid residues in protein structures.

K. Gunasekaran, C. Ramakrishnan, P. Balaram, 1996, Journal of molecular biology.

Stereochemical punctuation marks in protein structures: glycine and proline containing helix stop signals.

H. A. Nagarajaram, C. Ramakrishnan, P. Balaram, 1998, Journal of molecular biology.