To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1. mLnp1 at ER junctions is not very mobile. Solid circles (diameter, 1.5 μm) mark the original position of stationary mLnp1 puncta. Dashed circles (diameter, 1.5 μm) mark the original position of mobile mLnp1 puncta. 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 PNAS. 2014. DOI: 10.1073/pnas.1423026112 Download Original Video Browse All Videos »