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  • Title: [The capping protein on the slow-growing end of actin filament: erythrocyte tropomodulin].
    Author: Zhang XL, Wen ZY, Yao WJ.
    Journal: Sheng Li Ke Xue Jin Zhan; 2011 Feb; 42(1):27-31. PubMed ID: 21595184.
    Abstract:
    Erythrocyte tropomodulin (E-Tmod) is first isolated from human erythrocyte membrane as a TM-binding protein. Its N-terminus contains two TM-binding sites and one TM-dependent actin capping domain and C-terminus contains 5 leucine-rich repeats and a TM-independent actin capping domain. As the unique capping protein at the slow-growing end of F-actin, E-Tmod binds to N-terminus of TM and actin and decreases the TM-coated F-actin depolymerization. E-Tmod encoding gene is highly conserved and E-Tmod is distributed widely in erythrocytes and cardiomyocytes, etc. E-Tmod plays a pivotal role in organizing F-actin and cytoskeleton and maintaining the mechanical properties of the cells.
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