../ pdb_00001k4x_xyz-ext-atom_v1-4.xml.gz 22-Dec-2023 16:54 110K pdb_00001k4x_xyz-no-atom_v1-4.xml.gz 22-Dec-2023 16:54 27K pdb_00001k4x_xyz_v1-4.cif.gz 22-Dec-2023 16:54 132K pdb_00001k4x_xyz_v1-4.xml.gz 22-Dec-2023 16:54 179K