DASM1 is an alias for the gene, Immunoglobulin superfamily member 9, in humans. Other names include: Protein turtle homolog A; Immunoglobulin superfamily member 9A; IgSF9A; FP18798; Nrt1; immunoglobulin superfamily, member 9. The encoded protein has an amino acid length of 1179 and a mass of 126.6 kDa. Other isoforms may exist. DASM1 is a member of the Immunoglobulin superfamily, Turtle family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.