PIT, or Interferon regulatory factor 6, is a human gene encoded by IRF6. It may also be known as: IRF-6; LPS; OFC6; PPS; PPS1; VWS; VWS1. The encoded protein has an amino acid length of 467 and a mass of 53.1 kDa. Other isoforms may exist. PIT is a member of the IRF family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.