../ pdb_00001nk2_xyz-ext-atom_v1-4.xml.gz 17-May-2024 16:06 865K pdb_00001nk2_xyz-no-atom_v1-4.xml.gz 17-May-2024 16:06 41K pdb_00001nk2_xyz_v1-4.cif.gz 17-May-2024 16:06 928K pdb_00001nk2_xyz_v1-4.xml.gz 17-May-2024 16:06 1M