../ pdb_000012ak_xyz-ext-atom_v1-0.xml.gz 27-Mar-2026 15:44 30K pdb_000012ak_xyz-no-atom_v1-0.xml.gz 27-Mar-2026 15:44 20K pdb_000012ak_xyz_v1-0.cif.gz 27-Mar-2026 15:44 49K pdb_000012ak_xyz_v1-0.xml.gz 27-Mar-2026 15:44 60K