PR:000000013 cullin has_part Pfam:PF00888 Cullin family PIRSF:PIRSF017874 ISS PIRSF:PIRSF017874 PIRSF:PIRSF017874 20080301 PRO:CNA PR:000000013 cullin part_of GO:0031461 cullin-RING ubiquitin ligase complex PIRSF:PIRSF017874 ISS PIRSF:PIRSF017874 PIRSF:PIRSF017874 20080301 PRO:CNA