../ pdb_00001zch_xyz-ext-atom_v1-4.xml.gz 20-Oct-2023 18:05 51K pdb_00001zch_xyz-no-atom_v1-4.xml.gz 20-Oct-2023 18:05 26K pdb_00001zch_xyz_v1-4.cif.gz 20-Oct-2023 18:05 72K pdb_00001zch_xyz_v1-4.xml.gz 20-Oct-2023 18:05 95K