To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S6. An mLnp1-free junction moves to an mLnp1-free junction to complete a ring closure. The arrowheads point to mLnp1-free junctions. 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 »