../ pdb_00002nr2_xyz-ext-atom_v1-4.xml.gz 22-Dec-2023 16:53 4M pdb_00002nr2_xyz-no-atom_v1-4.xml.gz 22-Dec-2023 16:53 45K pdb_00002nr2_xyz_v1-4.cif.gz 22-Dec-2023 16:53 4M pdb_00002nr2_xyz_v1-4.xml.gz 22-Dec-2023 16:53 5M