Calcium directs actin assembly via allosteric activation of formin INF2
Bohan Zhang, Meng Zhang, Ke Liu, Chenhui Zhao, Jianwen Zhang, Zhijun Liu, Ying Fan, Ruo‐Xu Gu, Lin Lin, Chuanhai Fu, Jinwei Zhu
This study identifies Ca2+-CaM as a direct activator of INF2, linking calcium signals to actin assembly and mitochondrial fission through an allosteric mechanism.
bioRxiv · Jan 29, 2026 · PreprintBiochemistry