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Simulations of the folding of a three-helix bundle protein. (a and b)(Upper) Semilog plots of the time dependence of the fractions of native helical and interhelical contacts and the inverse fractions of native volume (calculated from the inverse cube of the radius of gyration) for two different trajectories. (Lower) Structures of the protein molecule at selected times. [Reproduced with permission from ref. 20 (Copyright 1999, Nature Publishing Group).]
