DCAF4 encodes the human gene, DDB1 and CUL4 associated factor 4. It may also be known as: DDB1- and CUL4-associated factor 4; WD repeat-containing protein 21A; WDR21; WDR21A. The encoded protein has an amino acid length of 495 and a mass of 55.7 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog, Chicken.