../ pdb_00002nb1_xyz-ext-atom_v1-4.xml.gz 10-May-2024 15:50 1M pdb_00002nb1_xyz-no-atom_v1-4.xml.gz 10-May-2024 15:50 22K pdb_00002nb1_xyz_v1-4.cif.gz 10-May-2024 15:50 1M pdb_00002nb1_xyz_v1-4.xml.gz 10-May-2024 15:50 2M