Berkholz, D. S., Driggers, C. M., Shapovalov, M. V., Dunbrack, R. L., & Karplus, P. A. (2012). Nonplanar peptide bonds in proteins are common and conserved but not biased toward active sites. National Academy of Sciences.

Berkholz, Donald S., Camden M. Driggers, Maxim V. Shapovalov, Roland L. Dunbrack, and P. Andrew Karplus. Nonplanar Peptide Bonds in Proteins Are Common and Conserved but Not Biased Toward Active Sites. National Academy of Sciences, 2012.

Berkholz, Donald S., et al. Nonplanar Peptide Bonds in Proteins Are Common and Conserved but Not Biased Toward Active Sites. National Academy of Sciences, 2012.