DAZ1 is a symbol for the gene, Deleted in azoospermia 1, in humans. Other names include: Deleted in azoospermia protein 1; DAZ; SPGY. The encoded protein has an amino acid length of 744 and a mass of 82.8 kDa. Other isoforms may exist. DAZ1 is a member of the RRM DAZ family. This gene shares homology with other species, including: Nematode.