Cullin 3 Recombinant Monoclonal Antibody for Western Blot, IHC Cullin 3 is a member of the family of human cullin genes (CUL 1, 2, 3, 4a, 4b, and 5) homologous to the S. cerevisiae cdc 53 gene. CUL 1 forms a complex with human p19 skp1 and F box protein