../ pdb_00002a55_xyz-ext-atom_v1-4.xml.gz 15-Nov-2024 21:56 1M pdb_00002a55_xyz-no-atom_v1-4.xml.gz 15-Nov-2024 21:56 41K pdb_00002a55_xyz_v1-4.cif.gz 15-Nov-2024 21:56 2M pdb_00002a55_xyz_v1-4.xml.gz 15-Nov-2024 21:56 2M