Figure 1From: Cullin-RING ubiquitin ligases: global regulation and activation cycles Structures of multisubunit CRL complexes. Diagrams of the CUL1 (A), CUL2 (B), CUL5 (C), CUL3 (D), and CUL4 (E) CRL complexes. Proteins in the complexes are labeled. The structures are described in the text.Back to article page