Open access
Sep 2026
β-arrestin1 directly engages Gαs to sustain endosomal GPCR signaling
β-arrestin1 acts as a positive regulator that holds Gαs in a signaling-competent state, providing a unifying structural basis for sustained endosomal GPCR signaling.
Qian He, Qing-Ning Yuan, Xin-Heng He et al.
· bioRxiv · 0 citations