../ pdb_00001u31_xyz-ext-atom_v1-4.xml.gz 18-Aug-2023 15:49 68K pdb_00001u31_xyz-no-atom_v1-4.xml.gz 18-Aug-2023 15:49 30K pdb_00001u31_xyz_v1-4.cif.gz 18-Aug-2023 15:49 157K pdb_00001u31_xyz_v1-4.xml.gz 18-Aug-2023 15:49 216K