../ pdb_00002l31_xyz-ext-atom_v1-4.xml.gz 26-Apr-2024 17:45 978K pdb_00002l31_xyz-no-atom_v1-4.xml.gz 26-Apr-2024 17:45 20K pdb_00002l31_xyz_v1-4.cif.gz 26-Apr-2024 17:45 1M pdb_00002l31_xyz_v1-4.xml.gz 26-Apr-2024 17:45 1M