Anti-NPT3 antibodies enable researchers to detect and measure the NPT3 antigen in biological samples. This target is a reported synonym of the SLC17A2 gene, which encodes solute carrier family 17 member 2. This protein is known to function in the transport of ions, among other biological roles. The human version of NPT3 has a canonical amino acid length of 439 residues and a protein mass of 47.3 kilodaltons, although 3 isoforms have been identified. It is reported to be localized in the membrane of cells. NPT3 is a member of the Sodium/anion cotransporter protein family.