../ pdb_00002ckf_xyz-ext-atom_v1-3.xml.gz 28-Aug-2026 18:06 352K pdb_00002ckf_xyz-no-atom_v1-3.xml.gz 28-Aug-2026 18:06 72K pdb_00002ckf_xyz_v1-3.cif.gz 28-Aug-2026 18:06 390K pdb_00002ckf_xyz_v1-3.xml.gz 28-Aug-2026 18:06 540K