Brown, C. A., Campos-León, K., Strickland, M., Williams, C., Fairweather, V., Brady, R. L., …Gaston, K. (2011). Protein flexibility directs DNA recognition by the papillomavirus E2 proteins. Nucleic Acids Research, 39(7), 2969--2980. https://doi.org/10.1093/nar/gkq1217