Actin a globular contractile protein that makes up 10-15% of the total cell protein in eukaryotic cells. It is a major component of the CYTOSKELETON.
一种球状收缩蛋白它约占真核细胞总蛋白含量的10%- 15%，是细胞骨架的主要组分。
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.
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.
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。
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