../ pdb_00004r50_xyz-ext-atom_v1-3.xml.gz 15-Sep-2023 17:09 33K pdb_00004r50_xyz-no-atom_v1-3.xml.gz 15-Sep-2023 17:09 22K pdb_00004r50_xyz_v1-3.cif.gz 15-Sep-2023 17:09 85K pdb_00004r50_xyz_v1-3.xml.gz 15-Sep-2023 17:09 114K