Krivov, S. V., Muff, S., Caflisch, A., & Karplus, M. (2008). One-dimensional barrier-preserving free-energy projections of a beta-sheet miniprotein: New insights into the folding process. The Journal of Physical Chemistry B, 112(29), 8701-8714. https://doi.org/10.1021/jp711864r (Original work published)