../ pdb_00004v81_xyz-ext-atom_v1-4.xml.gz 07-Aug-2026 19:53 2M pdb_00004v81_xyz-no-atom_v1-4.xml.gz 07-Aug-2026 19:53 625K pdb_00004v81_xyz_v1-4.cif.gz 07-Aug-2026 19:53 3M pdb_00004v81_xyz_v1-4.xml.gz 07-Aug-2026 19:53 4M