../ pdb_000021gu_xyz-ext-atom_v1-1.xml.gz 07-Aug-2026 19:54 141K pdb_000021gu_xyz-no-atom_v1-1.xml.gz 07-Aug-2026 19:54 39K pdb_000021gu_xyz_v1-1.cif.gz 07-Aug-2026 19:54 167K pdb_000021gu_xyz_v1-1.xml.gz 07-Aug-2026 19:54 226K