To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S4. ER-targeted mEos3.2 in Tm-treated WT cells followed for 120 minutes after photoconversion by a UV pulse. Chaperone-mediated reflux of secretory proteins to the cytosol during endoplasmic reticulum stress Aeid Igbaria, Philip I. Merksamer, Ala Trusina, Firehiwot Tilahun, Jeffrey R. Johnson, Onn Brandman, Nevan J. Krogan, Jonathan S. Weissman, and Feroz R. Papa PNAS. 2019. DOI: 10.1073/pnas.1904516116 Download Original Video Browse All Videos »