AWT1, or Wilms tumor 1, is a human gene encoded by WT1. It may also be known as: Wilms tumor protein; WT33; EWS-WT1; GUD; NPHS4; WIT-2. The encoded protein has an amino acid length of 449 and a mass of 49.2 kDa. AWT1 is a member of the EGR C2H2-type zinc-finger protein family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.