Myosin: Structure, Function, Regulation and Disease
نویسندگان
چکیده
منابع مشابه
Structure, function, and regulation of myosin 1C.
Myosin 1C, the first mammalian single-headed myosin to be purified, cloned, and sequenced, has been implicated in the translocation of plasma membrane channels and transporters. Like other forms of myosin I (of which eight exist in humans) myosin 1C consists of motor, neck, and tail domains. The neck domain binds calmodulins more tightly in the absence than in the presence of Ca(2+). Release of...
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Myosin filaments interact with actin to generate muscle contraction and many forms of cell motility. X-ray and electron microscopy (EM) studies have revealed the general organization of myosin molecules in relaxed filaments, but technical difficulties have prevented a detailed description. Recent studies using improved ultrastructural and image analysis techniques are overcoming these problems....
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The Na/K-ATPase or Na, K-pump utilizes the free energy of hydrolysis of ATP to actively transport Na and K ions across mammalian cell membranes. This function underlies essentially all of mammalian cell physiology. For example, in the kidney the Na, K-pump controls body Na and K balance, extracellular volume and blood pressure. The Na/K-ATPase is the receptor of digitalis steroids used to treat...
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Ongoing synaptic function and rapid, bidirectional plasticity are both controlled by regulatory mechanisms within dendritic spines. Spine actin dynamics maintain synapse structure and function, and cytoskeletal rearrangements in these structures trigger structural and functional plasticity. Therefore, proteins that interact with actin filaments are attractive candidates to regulate synaptic act...
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Epithelial and/or endothelial barriers play a critical role in animal, including human, life forms. The tight junction (TJ) is an essential component of these barriers. Occludin is a major component of the TJ. The structure of occludin, including its gene splice variants and protein essential components have been elucidated. Phosphorylation/dephosphorylation plays a major role in regulation of ...
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ژورنال
عنوان ژورنال: The FASEB Journal
سال: 2021
ISSN: 0892-6638,1530-6860
DOI: 10.1096/fasebj.2021.35.s1.00066