../ pdb_000021fk_xyz-ext-atom_v1-1.xml.gz 26-Jun-2026 15:53 88K pdb_000021fk_xyz-no-atom_v1-1.xml.gz 26-Jun-2026 15:53 25K pdb_000021fk_xyz_v1-1.cif.gz 26-Jun-2026 15:53 106K pdb_000021fk_xyz_v1-1.xml.gz 26-Jun-2026 15:53 140K