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. 2021 Mar 25;12:1892. doi: 10.1038/s41467-021-22093-4

Fig. 2. Structure of the PfAct1-bound PfMyoA motor.

Fig. 2

a Atomic model of actin-bound PfMyoA motor domain with root mean square differences to the rigor-like unbound structure mapped in thickness and color, from 0–5.5 Å. Only residues present in both structures are shown. The hypertrophic cardiomyopathy loop (HCM), loop 4 (L4) and the upper and lower 50 kDa domains (U50, L50) are labeled. b Comparison of the normalized atomic temperature factors between the bound (upper panel) and unbound (lower panel) structures. The region shown corresponds to the box in A. c Density map and atomic model in the active site of PfMyoA shows without ambiguity the absence of nucleotide. There is no density in the cavity (black dashed lines) composed by the Switch-1 (green), Switch-2 (orange) and the P-loop (purple). d The density map and atomic model of the actin binding cleft located between the upper 50 kDa (U50, in blue) and the lower 50 kDa (L50, pink) domains.