Glick Benjamin S
Department of Molecular Genetics and Cell Biology, University of Chicago, Chicago, IL 60637
J Cell Biol. 2017 Apr 3;216(4):859-861. doi: 10.1083/jcb.201701142. Epub 2017 Mar 14.
In this issue, Liu et al. (2017. https://doi.org/10.1083/jcb.201611088) and Raote et al. (2017. https://doi.org/10.1083/jcb.201608080) use super-resolution microscopy to visualize large COPII-coated endoplasmic reticulum (ER) export carriers. Rings of TANGO1 surround COPII, implicating TANGO1 in organizing ER exit sites and in regulating COPII coat dynamics and geometry.