This family of proteins represents the protein product of the gene W03D8.9 which has been identified as an interactor of ZYG-11. ZYG-11 is the substrate-recognition subunit for a CUL-2 based complex that regulates cell division and embryonic development [1].

1: The Caenorhabditis elegans cell-cycle regulator ZYG-11 defines a conserved family of CUL-2 complex components. Vasudevan S, Starostina NG, Kipreos ET; EMBO Rep. 2007;8:279-286. PMID:17304241