Architecture of the UBR4 complex, a giant E4 ligase central to eukaryotic protein quality control. - Grabarczyk, Daniel B.; Ehrmann, Julian F.; Murphy, Paul; Yang, Woo Seok; Kurzbauer, Robert; Bell, Lillie E.; Deszcz, Luiza; Neuhold, Jana; Schleiffer, Alexander; Shulkina, Alexandra; Lee, Juyeon; Shin, Jin Seok; et al. (Science, 2025)