Article
Magnesium Activates Microsecond Dynamics to Regulate Integrin-Collagen Recognition.
Structure (London, England : 1993) - 7 Aug 2018
Nunes Ana Monica, Minetti Conceição A S A, Remeta David P, Baum Jean
Abstract excerpt
Integrin receptors bind collagen via metal-mediated interactions that are modulated by magnesium (Mg2+) levels in the extracellular matrix. Nuclear magnetic resonance-based relaxation experiments, isothermal titration calorimetry, and adhesion assays reveal that Mg2+ functions as both a structural anchor and dynamic switch of the α1β1 integrin I domain (α1I). Specifically, Mg2+ binding activates micro- to...
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