CUL3

Disease related genes, Human disease related genes

Intracellular

Cell type enhanced (Late spermatids)

Low immune cell specificity

Low cell line specificity

Forms neddylation-dependent homodimers. Component of multiple BCR (BTB-CUL3-RBX1) E3 ubiquitin-protein ligase complexes formed of CUL3, RBX1 and a variable BTB domain-containing protein acting as both, adapter to cullin and substrate recognition subunit. The BCR complex may be active as a heterodimeric complex, in which NEDD8, covalently attached to one CUL3 molecule, binds to the C-terminus of a second CUL3 molecule. Interacts with RBX1, RNF7, CYCE and TIP120A/CAND1 (PubMed:10500095, PubMed:10230407, PubMed:12609982). Part of the BCR(SPOP) containing SPOP, and of BCR containing homodimeric SPOPL or the heterodimer formed by SPOP and SPOPL. Part of the probable BCR(KLHL9-KLHL13) complex with BTB domain proteins KLHL9 and KLHL13. Part of the BCR(KLHL41) complex containing KLHL41. Component of the BCR(KLHL12) E3 ubiquitin ligase complex, at least composed of CUL3 and KLHL12 and RBX1. Component of the BCR(KLHL3) E3 ubiquitin ligase complex, at least composed of CUL3 and KLHL3 and RBX1 (Probable). Part of the BCR(ENC1) complex containing ENC1. Part of a complex consisting of BMI1/PCGF4, CUL3 and SPOP. Part of a complex consisting of BRMS1, CUL3 and SPOP. Component of the BCR(KLHL21) E3 ubiquitin ligase complex, at least composed of CUL3, KLHL21 and RBX1. Component of the BCR(KLHL22) E3 ubiquitin ligase complex, at least composed of CUL3, KLHL22 and RBX1. Component of the BCR(KLHL25) E3 ubiquitin ligase complex, at least composed of CUL3, KLHL25 and RBX1. Part of a complex consisting of MACROH2A1, CUL3 and SPOP. Component of the BCR(KLHL42) E3 ubiquitin ligase complex, at least composed of CUL3 and KLHL42. Interacts with KLHL42 (via the BTB domain). Interacts with KATNA1; the interaction is enhanced by KLHL42. Component of the BCR(KBTBD8) E3 ubiquitin ligase complex, at least composed of CUL3, KBTBD8 and RBX1 (PubMed:26399832). Interacts with KCTD5, KLHL9, KLHL11, KLHL13, GAN, ZBTB16, KLHL3, KLHL15, KLHL20, KLHL36, GMCL2, BTBD1. Part of a complex that contains CUL3, RBX1 and GAN. Interacts (via BTB domain) with KLHL17; the interaction regulates surface GRIK2 expression. Interacts with KCTD7. Part of the BCR(GAN) complex containing GAN. Part of the BCR(KEAP1) complex containing KEAP1 (PubMed:15983046, PubMed:15601839, PubMed:32341456). Interacts with KLHL10 (By similarity). Interacts with KAT5 and ATF2. Interacts with KCTD17 in the BCR(KCTD17) E3 ubiquitin ligase complex, at least composed of CUL3, KCTD17 and RBX1 (PubMed:25270598). Interacts (when neddylated) with ARIH1; leading to activate the E3 ligase activity of ARIH1 (PubMed:24076655, PubMed:27565346). Interacts with COPS9 isoform 2 (PubMed:23776465). Interacts with PPP2R5B; this interaction is indirect and mediated through KLHL15-binding and leads to PPP2R5B proteasomal degradation (PubMed:23135275). Interacts with RBBP8/CtIP; this interaction is indirect and mediated through KLHL15-binding and leads to RBBP8 proteasomal degradation (PubMed:27561354). Interacts with KLHL24 in the BCR(KLHL24) E3 ubiquitin ligase complex, composed of CUL3, RBX1 and KLHL24 (PubMed:27798626). Interacts with RHOBTB2 (PubMed:29276004). Interacts with AURKA and KLHL18 (via BTB domain) (PubMed:23213400). Interacts (unneddylated form) with DCUN1D1, DCUN1D2, DCUN1D3, DCUN1D4 and DCUN1D5; these interactions promote the cullin neddylation (PubMed:24192928, PubMed:26906416, PubMed:23201271, PubMed:25349211). Component of a BCR3 (BTB-CUL3-RBX1) E3 ubiquitin ligase complex, also named Cul3-RING ubiquitin ligase complex CUL3(KBTBD6/7), composed of CUL3, RBX1, KBTBD6 and KBTBD7 (PubMed:25684205).