Movie S2.

mLnp1 travels from one junction to the next junction. The arrowhead points to an mLnp1 punctum in motion.

Lunapark stabilizes nascent three-way junctions in the endoplasmic reticulum

Shuliang Chen, Tanvi Desai, James A. McNew, Patrick Gerard, Peter J. Novick, and Susan Ferro-Novick