../ pdb_00001k2u_xyz-ext-atom_v1-4.xml.gz 07-Aug-2026 19:51 162K pdb_00001k2u_xyz-no-atom_v1-4.xml.gz 07-Aug-2026 19:51 45K pdb_00001k2u_xyz_v1-4.cif.gz 07-Aug-2026 19:51 193K pdb_00001k2u_xyz_v1-4.xml.gz 07-Aug-2026 19:51 259K