loop_ _pdbx_struct_info.type _pdbx_struct_info.value 'nonpolymer_zero_occupancy_flag' Y 'polymer_zero_occupancy_flag' Y 'multiple_model_flag' Y 'multiple_model_details' 'Model 3 missing ligand ACX' 'nonpolymer_details' 'Disordered ligand geometry for C34 with missing pyridine ring' 'missing atoms in alternate conformations' Y