@article {2006|1407, title = {{C}oexistence of two protein folding states in the crystal structure of ribosomal protein {L}20}, journal = {Embo Rep.}, volume = {7}, year = {2006}, month = {oct}, pages = {1013{\textendash}1018}, author = {Y Timsit and Allemand, F. and Chiaruttini, C. and Springer, M.} }