../ pdb_00004k68_xyz-ext-atom_v1-2.xml.gz 23-Feb-2024 17:50 130K pdb_00004k68_xyz-no-atom_v1-2.xml.gz 23-Feb-2024 17:50 35K pdb_00004k68_xyz_v1-2.cif.gz 23-Feb-2024 17:50 288K pdb_00004k68_xyz_v1-2.xml.gz 23-Feb-2024 17:50 401K