PDB - FTP Archive over HTTP

 Name                                           Last modified      Size  
 Parent Directory                                                    -   
 pdb_00004a52_xyz_v1.cif.gz                     2017-08-21 02:16  1.0M  
 pdb_00004a52_xyz_v2.cif.gz                     2018-01-19 13:41  1.0M