Freitag, S., Chu, V., Penzotti, J., Klumb, L., To, R., Hyre, D., Le Trong, I., Lybrand, T., Stenkamp, R., & Stayton, P. (1999). A structural snapshot of an intermediate on the streptavidin-biotin dissociation pathway. Proceedings of the National Academy of Sciences, 96(15), 8384-8389. https://doi.org/10.1073/pnas.96.15.8384