../ pdb_00006zkk_xyz-ext-atom_v1-3.xml.gz 04-Apr-2025 15:26 2M pdb_00006zkk_xyz-no-atom_v1-3.xml.gz 04-Apr-2025 15:26 271K pdb_00006zkk_xyz_v1-3.cif.gz 04-Apr-2025 15:26 2M pdb_00006zkk_xyz_v1-3.xml.gz 04-Apr-2025 15:26 2M