../ pdb_00004s28_xyz-ext-atom_v1-2.xml.gz 07-Aug-2026 19:54 110K pdb_00004s28_xyz-no-atom_v1-2.xml.gz 07-Aug-2026 19:54 43K pdb_00004s28_xyz_v1-2.cif.gz 07-Aug-2026 19:54 259K pdb_00004s28_xyz_v1-2.xml.gz 07-Aug-2026 19:54 356K