../ pdb_00003ecx_xyz-ext-atom_v1-4.xml.gz 07-Aug-2026 19:54 32K pdb_00003ecx_xyz-no-atom_v1-4.xml.gz 07-Aug-2026 19:54 23K pdb_00003ecx_xyz_v1-4.cif.gz 07-Aug-2026 19:54 84K pdb_00003ecx_xyz_v1-4.xml.gz 07-Aug-2026 19:54 115K