../ pdb_00002n21_xyz-ext-atom_v1-5.xml.gz 10-May-2024 15:49 186K pdb_00002n21_xyz-no-atom_v1-5.xml.gz 10-May-2024 15:49 15K pdb_00002n21_xyz_v1-5.cif.gz 10-May-2024 15:49 203K pdb_00002n21_xyz_v1-5.xml.gz 10-May-2024 15:49 266K