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Sliding of N- and C-terminal β-sheets in S1-C2z system at 398 K. (A) Starting configuration. (B) Configuration after 20 ns. (C) Schematic of di,i+k distances. (D) di,i+k as a function of time for residue pairs L17-V36 and A21-I32 far from the loop and close to it, respectively. Dashed lines indicate di,i+k distances expected for ideal β-sheets.
