PQWD, or WD repeat domain 88, is a human gene encoded by WDR88. It may also be known as: WD repeat-containing protein 88; PQQ repeat and WD repeat-containing protein. The encoded protein has an amino acid length of 472 and a mass of 52.6 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog, Chicken.