以单体、球型肌动蛋白的形式出现，为一种球状蛋白质；在活体细胞内以聚合物、丝肌动蛋白的形式出现，像两串彼此缠绕拧成一条细丝的珠子。
It occurs as a monomer, G-actin, a globular protein, and in living cells as a polymer, F-actin, which resembles two strings of beads twisted around each other into thin filaments.
裂解蛋白可以引起微丝的断裂而形成较短小的微丝并迅速解聚或者再聚合成新的微丝。
Severing proteins induce kinks in the filaments and led to the formation of short filaments that rapidly depolymerize or give rise to new filaments.
裂解蛋白可以引起微丝的断裂而形成较短小的微丝并迅速解聚或者再聚合成新的微丝。
The depolymerization of proteins may lead to fragments of filaments which form smaller filaments that depolymerize quickly or polymerize into new filaments.
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