Structure of a glomulin-RBX1-CUL1 complex: inhibition of a RING E3 ligase through masking of its E2-binding surface. - Duda DM; Olszewski JL; Tron AE; Hammel M; Lambert LJ; Waddell MB; Mittag T; DeCaprio JA; Schulman BA (Molecular cell, 2012)