Actomyosin Complex

Figure 1. 3D maps and difference maps of the actomyosin complex calculated by cryo-EM and image analysis. F-actin is red, tropomyosin is blue, the myosin motor domain is yellow, the essential light chain is blue-green, the regulatory light chain is dark red, the SH3 domain at the N-terminus of the myosin heavy chain is purple (this domain is absent in myosin Is), an undecagold label attached to Cys374 of actin is gold, the N-terminal portion of the A1 light chain is white.

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