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. 2012 Mar 21;102(6):1418–1426. doi: 10.1016/j.bpj.2012.02.010

Figure 4.

Figure 4

ME distributions of the orientation of the LCD of the myosin heads in relaxation (A), active isometric contraction (B), and rigor (C). Tilt (β) and twist (γ) angles are shown in Fig. 1 and defined in the text. Orientation distributions calculated from the order parameters in Fig. 3 using the nucleotide-free structure of the chicken skeletal myosin head (4), and normalized to peak intensity. Hotter colors denote a greater probability of that (β, γ) orientation.