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RMSD values of all backbone atoms with respect to the corresponding starting structures for the simulations of (A) Smad1+DNA+Smad1, (B) Smad4+DNA+Smad1, (C) Smad3+DNA+Smad3, (D) Smad4+DNA+Smad3 and (E) Smad4+DNA+Smad4 models.
