../ pdb_0000256b_xyz-ext-atom_v1-6.xml.gz 07-Aug-2026 19:54 43K pdb_0000256b_xyz-no-atom_v1-6.xml.gz 07-Aug-2026 19:54 22K pdb_0000256b_xyz_v1-6.cif.gz 07-Aug-2026 19:54 60K pdb_0000256b_xyz_v1-6.xml.gz 07-Aug-2026 19:54 80K