Sulfatase 1, or, SULF1, is a human gene. Other names include: Extracellular sulfatase Sulf-1; hSulf-1; SULF-1. The encoded protein is an enzyme with an amino acid length of 871 and a mass of 101.0 kDa. Other isoforms may exist. Sulfatase 1 is a member of the Sulfatase family. This gene shares homology with other species, including: Fly, Mouse, Rat, Zebrafish, Frog, Chicken.