PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23573258-6 2013 Both the BTB and BACK domains contribute to the Cul3 interaction surface, and an extended model of the dimeric CRL3 complex places the two E2 binding sites in a suprafacial arrangement with respect to the presumed substrate-binding sites. btb 9-12 interleukin 31 receptor A Homo sapiens 111-115 33452490-5 2021 More recently, accumulating evidence has demonstrated the essential roles of CRL3 E3s, consisting of a CUL3 protein and a BTB/POZ substrate adaptor. btb 122-125 interleukin 31 receptor A Homo sapiens 77-81