../ pdb_00001z23_xyz-ext-atom_v1-4.xml.gz 17-May-2024 16:04 903K pdb_00001z23_xyz-no-atom_v1-4.xml.gz 17-May-2024 16:04 20K pdb_00001z23_xyz_v1-4.cif.gz 17-May-2024 16:04 946K pdb_00001z23_xyz_v1-4.xml.gz 17-May-2024 16:04 1M