../ pdb_00001frr_xyz-ext-atom_v1-4.xml.gz 07-Aug-2026 19:54 35K pdb_00001frr_xyz-no-atom_v1-4.xml.gz 07-Aug-2026 19:54 21K pdb_00001frr_xyz_v1-4.cif.gz 07-Aug-2026 19:54 50K pdb_00001frr_xyz_v1-4.xml.gz 07-Aug-2026 19:54 69K