_EC 7.2.3.- Linked to the hydrolysis of diphosphate. 11 PDB entries  
EC 7.-.-.- Translocases. [2,261 PDB entries]
EC 7.2.-.- Catalysing the translocation of inorganic cations. [485 PDB entries]
EC 7.2.3.- Linked to the hydrolysis of diphosphate. [11 PDB entries]
EC 7.2.3.1 Na(+)-exporting diphosphatase. [11 PDB entries]