../ pdb_00003zch_xyz-ext-atom_v1-3.xml.gz 28-Aug-2026 18:06 51K pdb_00003zch_xyz-no-atom_v1-3.xml.gz 28-Aug-2026 18:06 30K pdb_00003zch_xyz_v1-3.cif.gz 28-Aug-2026 18:06 73K pdb_00003zch_xyz_v1-3.xml.gz 28-Aug-2026 18:06 98K