Self-assembly of the COPII coat proteins Sec13 and Sec31 creates a spherical cage that drives vesicle formation from the endoplasmic reticulum. A multipronged approach now provides a convincing pseudoatomic model of the assembled cage that sharpens our understanding of the architecture, contact sites and flexibility of this remarkable structure.
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Miller, E. The COPII cage sharpens its image. Nat Struct Mol Biol 20, 139–140 (2013). https://doi.org/10.1038/nsmb.2507
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DOI: https://doi.org/10.1038/nsmb.2507