PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15772280-5 2005 Similar to the AtCUL1 subunit of the SKP1-CUL1-F-box protein-type E3 ligases, the AtCUL3 subunit of the BTB-containing E3 ligase complexes is subjected to modification and possible regulation by the ubiquitin-like protein Related to Ubiquitin in vivo. btb 104-107 cullin 1 Arabidopsis thaliana 15-21