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Solution Structure Of The Inhibitory Phosphorylation Domain Of Myosin Phosphatase Targeting Subunit 1., Shunsuke Mori, Ryou Iwaoka, Masumi Eto, Shin-Ya Ohki
Solution Structure Of The Inhibitory Phosphorylation Domain Of Myosin Phosphatase Targeting Subunit 1., Shunsuke Mori, Ryou Iwaoka, Masumi Eto, Shin-Ya Ohki
Department of Molecular Physiology and Biophysics Faculty Papers
Cell motility, such as smooth muscle contraction and cell migration, is controlled by the reversible phosphorylation of the regulatory light chain of myosin II and other cytoskeletal proteins. Mounting evidence suggests that in smooth muscle cells and other types of cells in vertebrates, myosin phosphatase (MP) plays an important role in controlling the phosphorylation of myosin II as well as other cytoskeletal proteins, including ezrin, moesin, and radixin.1 MP is a holoenzyme consisting of a catalytic subunit of a type-1 Ser/Thr phosphatase (PP1C) delta isoform, a myosin phosphatase targeting subunit 1 (MYPT1), and an accessory subunit M21. In this ternary …