../ pdb_00003erk_xyz-ext-atom_v1-4.xml.gz 17-May-2024 16:04 68K pdb_00003erk_xyz-no-atom_v1-4.xml.gz 17-May-2024 16:04 25K pdb_00003erk_xyz_v1-4.cif.gz 17-May-2024 16:04 87K pdb_00003erk_xyz_v1-4.xml.gz 17-May-2024 16:04 116K