../ pdb_00004p20_xyz-ext-atom_v1-3.xml.gz 22-Dec-2023 16:53 24K pdb_00004p20_xyz-no-atom_v1-3.xml.gz 22-Dec-2023 16:53 20K pdb_00004p20_xyz_v1-3.cif.gz 22-Dec-2023 16:53 39K pdb_00004p20_xyz_v1-3.xml.gz 22-Dec-2023 16:53 52K