Force-dependent conformational switch of α-catenin controls vinculin binding
2014
At cell–cell adhesions, α-catenin contains a cryptic vinculin-binding site. Here, Yao et al. demonstrate, using magnetic tweezers, that physiologically relevant forces unfurl α-catenin to reveal the vinculin-binding site, and allow the reversible binding of vinculin to mechanically reinforce the adhesion.
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