A new crystal structure reveals the path taken by single-stranded (ss) DNA through the central channel of a hexameric helicase. The path resembles a spiral staircase and provides an answer to the question of how hexameric helicases translocate on ssDNA.
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References
Delagoutte, E. & von Hippel, P.H. Q. Rev. Biophys. 36, 1–69 (2003).
Patel, S.S. & Donmez, I. J. Biol. Chem. 281, 18265–18268 (2006).
Patel, S.S. & Picha, K.M. Annu. Rev. Biochem. 69, 651–697 (2000).
Enemark, E.J. & Joshua-Tor, J. Nature 442, 270–275 (2006).
Cordin, O., Banroques, J., Tanner, N.K. & Linder, P. Gene 367, 17–37 (2006).
Ellis, N.A. Curr. Opin. Genet. Dev. 7, 354–363 (1997).
Egelman, E.H., Yu, X., Wild, R., Hingorani, M.M. & Patel, S.S. Proc. Natl. Acad. Sci. USA 92, 3869–3873 (1995).
Jezewska, M.J., Rajendran, S., Bujalowska, D. & Bujalowski, W. J. Biol. Chem. 273, 10515–10529 (1998).
Gai, D., Zhao, R., Li, D., Finkielstein, C.V. & Chen, X.S. Cell 119, 47–60 (2004).
Singleton, M.R., Sawaya, M.R., Ellenberger, T. & Wigley, D.B. Cell 101, 589–600 (2000).
Liao, J.C., Jeong, Y.J., Kim, D.E., Patel, S.S. & Oster, G. J. Mol. Biol. 350, 452–475 (2005).
Singleton, M.R., Dillingham, M.S., Gaudier, M., Kowalczykowski, S.C. & Wigley, D.B. Nature 432, 187–193 (2004).
Lucius, A.L., Maluf, N.K., Fischer, C.J. & Lohman, T.M. Biophys. J. 85, 2224–2239 (2003).
Galletto, R., Jezewska, M.J. & Bujalowski, W. J. Mol. Biol. 343, 83–99 (2004).
Bianco, P.R. et al. Nature 409, 374–378 (2001).
Ha, T. et al. Nature 419, 638–641 (2002).
Stano, N.M. et al. Nature 435, 370–373 (2005).
Dumont, S. et al. Nature 439, 105–108 (2006).
Perkins, T.T., Li, H.W., Dalal, R.V., Gelles, J. & Block, S.M. Biophys. J. 86, 1640–1648 (2004).
Shcherbakova, I., Mitra, S., Beer, R.H. & Brenowitz, M. Nucleic Acids Res. 34, e48 (2006).
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Raney, K. A helicase staircase. Nat Struct Mol Biol 13, 671–672 (2006). https://doi.org/10.1038/nsmb0806-671
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DOI: https://doi.org/10.1038/nsmb0806-671