Bibliography
=========================================================
.. [Beratan1992] Beratan, D.; Onuchic, J.; Winkler, J.; Gray, H. *Science*, **1992**, 258, 1740–1741.
.. [Chakravarty1999] Chakravarty, S.; Varadarajan, R. *Structure*, **1999**, 7, 723–732.
.. [Sanner1996] Sanner, M. F.; Olson, A. J.; Spehner, J. C. *Biopolymers*, **1996**, 38, 305–320.
.. [Lee1971] Lee, B.; Richards, F. M. *J . Mol. Biol.*, **1971**, 55, 379–400.
.. [Shrake1973] Shrake, A.; Rupley, J. A. *J . Mol. Biol.*, **1973**, 79, 351–371.
.. [Tan2009] Song, J.; Tan, H.; Mahmood, K.; Law, R. H. P.; Buckle, A. M.; Webb, G. I.; Akutsu, T.; Whisstock, J. C. *PLoS ONE*, **2009**, 4, 1–14.
.. [Tien2013] Tien, M. Z.; Meyer, A. G.; Sydykova, D. K.; Spielman, S. J.; Wilke, C. O. *PLoS ONE*, **2013**, 8, 1–8.
.. [Sander1983] Kabsch, W.; Sander, C. *Biopolymers*, **1983**, 22, 2577–2637.
.. [Han2002] X. Yan and J. Han. *Proc. Int'l Conf. Data Mining*, **2002**.
.. [Edgar2004] Edgar RC. *Nucleic Acids Res.* **2004** 32(5) 1792-1797.