../ pdb_00004a21_xyz-ext-atom_v1-3.xml.gz 03-May-2024 16:57 422K pdb_00004a21_xyz-no-atom_v1-3.xml.gz 03-May-2024 16:57 54K pdb_00004a21_xyz_v1-3.cif.gz 03-May-2024 16:57 456K pdb_00004a21_xyz_v1-3.xml.gz 03-May-2024 16:57 620K