_EC 7.4.-.- Catalysing the translocation amino acids and peptides. 120 PDB entries  
EC 7.-.-.- Translocases. [2,261 PDB entries]
EC 7.4.-.- Catalysing the translocation amino acids and peptides. [120 PDB entries]
EC 7.4.2.- Linked to the hydrolysis of a nucleoside triphosphate. [120 PDB entries]