../ pdb_000021em_xyz-ext-atom_v1-0.xml.gz 12-Jun-2026 15:14 43K pdb_000021em_xyz-no-atom_v1-0.xml.gz 12-Jun-2026 15:14 25K pdb_000021em_xyz_v1-0.cif.gz 12-Jun-2026 15:14 109K pdb_000021em_xyz_v1-0.xml.gz 12-Jun-2026 15:14 147K