../ pdb_00004a20_xyz-ext-atom_v1-5.xml.gz 15-Dec-2023 18:43 16K pdb_00004a20_xyz-no-atom_v1-5.xml.gz 15-Dec-2023 18:43 18K pdb_00004a20_xyz_v1-5.cif.gz 15-Dec-2023 18:43 48K pdb_00004a20_xyz_v1-5.xml.gz 15-Dec-2023 18:43 63K