S. E. Jackson, How do small single-domain proteins fold? Folding Des, pp.81-91, 1998.
DOI : 10.1016/s1359-0278(98)00033-9

URL : http://doi.org/10.1016/s1359-0278(98)00033-9

N. A. Nuland, F. Chiti, N. Taddei, G. Raugei, G. Ramponi et al., Slow folding of muscle acylphosphatase in the absence of intermediates, Journal of Molecular Biology, vol.283, issue.4, pp.883-891, 1998.
DOI : 10.1006/jmbi.1998.2009

S. Gianni, N. R. Guydosh, F. Khan, T. D. Caldas, U. Mayor et al., Unifying features in protein-folding mechanisms, Proceedings of the National Academy of Sciences, vol.100, issue.23, pp.13286-13291, 2003.
DOI : 10.1073/pnas.1835776100

B. Fierz, H. Satzger, C. Root, P. Gilch, W. Zinth et al., Loop formation in unfolded polypeptide chains on the picoseconds to microseconds time scale, Proceedings of the National Academy of Sciences, vol.104, issue.7, pp.2163-2168, 2007.
DOI : 10.1073/pnas.0611087104

J. Kubelka, J. Hofrichter, and W. A. Eaton, The protein folding ???speed limit???, Current Opinion in Structural Biology, vol.14, issue.1, pp.76-88, 2004.
DOI : 10.1016/j.sbi.2004.01.013

A. Matouschek, . Kellis, J. T. Jr, L. Serrano, M. Bycroft et al., Transient folding intermediates characterized by protein engineering, Nature, vol.346, issue.6283, pp.440-445, 1990.
DOI : 10.1038/346440a0

T. Kiefhaber, Kinetic traps in lysozyme folding., Proceedings of the National Academy of Sciences, vol.92, issue.20, pp.9029-9033, 1995.
DOI : 10.1073/pnas.92.20.9029

C. Travaglini-allocatelli, S. Gianni, and M. Brunori, A common folding mechanism in the cytochrome family, Trends in Biochemical Sciences, vol.29, issue.10, pp.535-541, 2004.
DOI : 10.1016/j.tibs.2004.08.004

C. F. Wright, K. Lindorff-larsen, L. G. Randles, and J. Clarke, Parallel protein-unfolding pathways revealed and mapped, Nature Structural Biology, vol.10, issue.8, pp.658-662, 2003.
DOI : 10.1038/nsb947

M. Lindberg, J. Tangrot, and M. Oliveberg, Complete change of the protein folding transition state upon circular permutation, Nature Structural Biology, vol.9, pp.818-822, 2002.
DOI : 10.1038/nsb847

I. A. Hubner, M. Lindberg, E. Haglund, M. Oliveberg, and E. I. Shakhnovich, Common Motifs and Topological Effects in the Protein Folding Transition State, Journal of Molecular Biology, vol.359, issue.4, pp.1075-1085, 2006.
DOI : 10.1016/j.jmb.2006.04.015

M. O. Lindberg and M. Oliveberg, Malleability of protein folding pathways: a simple reason for complex behaviour, Current Opinion in Structural Biology, vol.17, issue.1, pp.21-29, 2007.
DOI : 10.1016/j.sbi.2007.01.008

D. I. Liao, J. Qian, D. A. Chisholm, D. B. Jordan, and B. A. Diner, Crystal structures of the photosystem II D1 C-terminal processing protease, Nature Structural Biology, vol.7, issue.9, pp.749-753, 2000.
DOI : 10.1038/78973

N. Calosci, C. N. Chi, B. Richter, C. Camilloni, Å. Engstrom et al., Comparison of successive transition states for folding reveals alternative early folding pathways of two homologous proteins, Proc. Natl. Acad. Sci. U.S.A. 105, pp.19241-19246, 2008.
DOI : 10.1073/pnas.0804774105

S. Gianni, N. Calosci, J. M. Aelen, G. W. Vuister, M. Brunori et al., Kinetic folding mechanism of PDZ2 from PTP-BL, Protein Engineering Design and Selection, vol.18, issue.8, pp.389-395, 2005.
DOI : 10.1093/protein/gzi047

S. Gianni, C. D. Geierhaas, N. Calosci, P. Jemth, G. W. Vuister et al., A PDZ domain recapitulates a unifying mechanism for protein folding, Proceedings of the National Academy of Sciences, vol.104, issue.1, pp.128-133, 2007.
DOI : 10.1073/pnas.0602770104

S. R. Haq, M. C. Urgens, C. N. Chi, C. S. Koh, L. Elfströmelfstr¨elfström et al., The Plastic Energy Landscape of Protein Folding: A TRIANGULAR FOLDING MECHANISM WITH AN EQUILIBRIUM INTERMEDIATE FOR A SMALL PROTEIN DOMAIN, Journal of Biological Chemistry, vol.285, issue.23, pp.18051-18059, 2010.
DOI : 10.1074/jbc.M110.110833

Y. Ivarsson, C. Travaglini-allocatelli, M. Brunori, and S. Gianni, Folding and Misfolding in a Naturally Occurring Circularly Permuted PDZ Domain, Journal of Biological Chemistry, vol.283, issue.14, pp.8954-8960, 2008.
DOI : 10.1074/jbc.M707424200

Y. Ivarsson, C. Travaglini-allocatelli, M. Brunori, and S. Gianni, Engineered Symmetric Connectivity of Secondary Structure Elements Highlights Malleability of Protein Folding Pathways, Journal of the American Chemical Society, vol.131, issue.33, pp.11727-11733, 2009.
DOI : 10.1021/ja900438b

Y. Ivarsson, C. Travaglini-allocatelli, V. Morea, M. Brunori, and S. Gianni, The folding pathway of an engineered circularly permuted PDZ domain, Protein Engineering Design and Selection, vol.21, issue.3, pp.155-160, 2008.
DOI : 10.1093/protein/gzm077

S. Gianni, Y. Ivarsson, D. Simone, A. Travaglini-allocatelli, C. Brunori et al., Structural characterization of a misfolded intermediate populated during the folding process of a PDZ domain, Nature Structural & Molecular Biology, vol.30, issue.12, pp.1431-1437, 2010.
DOI : 10.1038/nsmb.1956