
Báo cáo khoa học: The activation of gelsolin by low pH The calcium latch is sensitive to calcium but not pH
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Gelsolin is a multidomain and multifunction protein that nucleates the assembly of filaments and severs them. The activation of gelsolin by calcium is a multistep process involving many calcium binding sites that act to unfold the molecule from a tight structure to a more loose form in which three actin-binding sites become exposed. Low pHis alsoknowntoactivategelsolin, in theabsenceof calciumand this too results in an unfolding of the molecule.
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