PIH1D2 is a symbol for the gene, PIH1 domain containing 2, in humans. Other names include: PIH1 domain-containing protein 2. The encoded protein has an amino acid length of 315 and a mass of 36.0 kDa. Other isoforms may exist. PIH1D2 is a member of the PIH1 family. This gene shares homology with other species, including: Frog.