../ pdb_000021en_xyz-ext-atom_v1-0.xml.gz 12-Jun-2026 15:14 166K pdb_000021en_xyz-no-atom_v1-0.xml.gz 12-Jun-2026 15:14 40K pdb_000021en_xyz_v1-0.cif.gz 12-Jun-2026 15:14 194K pdb_000021en_xyz_v1-0.xml.gz 12-Jun-2026 15:14 274K