../ pdb_00003zkb_xyz-ext-atom_v1-2.xml.gz 03-May-2024 16:58 1M pdb_00003zkb_xyz-no-atom_v1-2.xml.gz 03-May-2024 16:58 182K pdb_00003zkb_xyz_v1-2.cif.gz 03-May-2024 16:58 2M pdb_00003zkb_xyz_v1-2.xml.gz 03-May-2024 16:58 3M