../ pdb_000021nt_xyz-ext-atom_v1-0.xml.gz 19-Jun-2026 15:22 55K pdb_000021nt_xyz-no-atom_v1-0.xml.gz 19-Jun-2026 15:22 18K pdb_000021nt_xyz_v1-0.cif.gz 19-Jun-2026 15:22 69K pdb_000021nt_xyz_v1-0.xml.gz 19-Jun-2026 15:22 92K