NPT1, Renal sodium-phosphate transport protein 1, Renal sodium-dependent phosphate transport protein 1, Sodium-dependent phosphate transport protein 1, Renal Na(+)-dependent phosphate cotransporter 1, Sodium/phosphate cotransporter 1, Na(+)/PI cotransporter 1, Solute carrier family 17 member 1, Na/Pi-4, SLC17A1