Fig. 1From: Novel immunomodulatory drugs and neo-substratesChemical structure and mechanism of action of IMiDs. a Chemical structure of thalidomide, lenalidomide, pomalidomide, CC-122, CC-885 and CC-220. b IMiDs (purple rhombuses) bind to CRBN, a substrate receptor of CRL4 E3 ligase, to recruit substrates for ubiquitination and proteasomal degradation. Ub, ubiquitinBack to article page