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. 2015 Oct 28;112(45):13904–13909. doi: 10.1073/pnas.1506405112

Fig. 6.

Fig. 6.

SMD simulation results show the scheme of the distortion of active site when the protein is pulling by magnetic tweezers. (A) Natural HRP protein molecule. (B) HRP protein molecule being pulled by magnetic tweezers. (C) Distortion of distance between residues 68 and 178 induced by thermal fluctuation of the HRP protein molecule. (D) Distortion of distance between residues 68 and 178 induced by pulling force applied on the HRP protein molecule. (E, G, and I) Projection on Cartesian coordinate of the distance distortion between residue 68 and residue 178 for HRP protein induced by thermal fluctuation in unperturbed condition. (F, H, and J) Projection on Cartesian coordinate of distance distortion between residue 68 and residue 178 for HRP protein in stretched condition.