Multiple Conformations of F-actin

Structure
Toshiro Oda, Yuichiro Maéda

Abstract

Actin works within eukaryotic cells to facilitate a variety of cellular processes, which are driven by the assembly of G-actin (monomeric form) into F-actin (fibrous form), and the disassembly of F-actin into G-actin. F-actin adopts multiple conformations, which are specified by interactions with various actin-binding proteins. Knowledge of the multiple conformations of actin is the key for understanding its cellular functions. Recently, we published a refined model for F-actin. In this review, based on this model, we discuss the origin, mechanism, and possible physiological significance of the multiple conformations of F-actin.

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Citations

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Actin-binding proteins are a component of the actin cytoskeleton that play essential roles in cellular functions such as regulation of actin polymerization, maintenance of cell polarity, gene expression regulation, cell motility and many more functions. Discover the latest research on actin-binding proteins here.