The cell division cycle protein 20 homolog is an essential regulator of cell division that is encoded by the CDC20, a protein related to the beta subunit of heterotrimeric G proteins where near its C-terminus it contains seven WD40 repeats, which are multiple short, structural motifs of around 40 amino acids that often play a role in binding with larger protein complexes.
The cell division cycle protein 20 homolog is an essential regulator of cell division that is encoded by the CDC20 gene in humans. CDC20 is a protein related to the beta subunit of heterotrimeric G proteins. Near its C-terminus it contains seven WD40 repeats, which are multiple short, structural motifs of around 40 amino acids that often play a role in binding with larger protein complexes. 
