../ pdb_00004k20_xyz-ext-atom_v1-2.xml.gz 23-Feb-2024 17:45 84K pdb_00004k20_xyz-no-atom_v1-2.xml.gz 23-Feb-2024 17:45 29K pdb_00004k20_xyz_v1-2.cif.gz 23-Feb-2024 17:45 104K pdb_00004k20_xyz_v1-2.xml.gz 23-Feb-2024 17:45 142K