../ pdb_00001b55_xyz-ext-atom_v1-6.xml.gz 18-Sep-2026 15:34 67K pdb_00001b55_xyz-no-atom_v1-6.xml.gz 18-Sep-2026 15:34 30K pdb_00001b55_xyz_v1-6.cif.gz 18-Sep-2026 15:34 89K pdb_00001b55_xyz_v1-6.xml.gz 18-Sep-2026 15:34 120K