../ pdb_00001a3n_xyz-ext-atom_v1-4.xml.gz 07-Aug-2026 19:51 110K pdb_00001a3n_xyz-no-atom_v1-4.xml.gz 07-Aug-2026 19:51 35K pdb_00001a3n_xyz_v1-4.cif.gz 07-Aug-2026 19:51 133K pdb_00001a3n_xyz_v1-4.xml.gz 07-Aug-2026 19:51 182K