../ pdb_00003s53_xyz-ext-atom_v1-1.xml.gz 08-Sep-2023 16:27 40K pdb_00003s53_xyz-no-atom_v1-1.xml.gz 08-Sep-2023 16:27 23K pdb_00003s53_xyz_v1-1.cif.gz 08-Sep-2023 16:27 58K pdb_00003s53_xyz_v1-1.xml.gz 08-Sep-2023 16:27 77K