../ pdb_00001sym_xyz-ext-atom_v1-4.xml.gz 17-May-2024 16:04 1M pdb_00001sym_xyz-no-atom_v1-4.xml.gz 17-May-2024 16:04 23K pdb_00001sym_xyz_v1-4.cif.gz 17-May-2024 16:04 1M pdb_00001sym_xyz_v1-4.xml.gz 17-May-2024 16:04 1M