这个过程发生，当肌球蛋白附着在细胞器上，由细胞细胞上排列的微丝推动的时候。
The process occurs as myosin proteins attached to organelles push against microfilaments arrayed throughout the cell.
用荧光标记的微丝会结合到附着的肌球蛋白的马达结构域上。
Fluorescent actin filaments will bind to the motor domains of the attached myosins.
一个肌球蛋白分子通过结构的周期性变化沿着一根肌动蛋白丝行走。
Figure a myosin molecule walks along an actin filament through a cycle of structural changes.
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