../ pdb_000021xl_xyz-ext-atom_v1-0.xml.gz 13-Feb-2026 17:38 7347 pdb_000021xl_xyz-no-atom_v1-0.xml.gz 13-Feb-2026 17:38 12K pdb_000021xl_xyz_v1-0.cif.gz 13-Feb-2026 17:38 18K pdb_000021xl_xyz_v1-0.xml.gz 13-Feb-2026 17:38 22K