../ pdb_00003k3u_xyz-ext-atom_v1-4.xml.gz 07-Aug-2026 19:53 77K pdb_00003k3u_xyz-no-atom_v1-4.xml.gz 07-Aug-2026 19:53 29K pdb_00003k3u_xyz_v1-4.cif.gz 07-Aug-2026 19:53 133K pdb_00003k3u_xyz_v1-4.xml.gz 07-Aug-2026 19:53 199K