../ pdb_00002a1n_xyz-ext-atom_v1-6.xml.gz 07-Aug-2026 19:51 157K pdb_00002a1n_xyz-no-atom_v1-6.xml.gz 07-Aug-2026 19:51 47K pdb_00002a1n_xyz_v1-6.cif.gz 07-Aug-2026 19:51 188K pdb_00002a1n_xyz_v1-6.xml.gz 07-Aug-2026 19:51 257K