loop_ _pdbx_chem_comp_instance_depositor_info.ordinal _pdbx_chem_comp_instance_depositor_info.comp_id _pdbx_chem_comp_instance_depositor_info.auth_seq_id _pdbx_chem_comp_instance_depositor_info.auth_asym_id _pdbx_chem_comp_instance_depositor_info.PDB_ins_code _pdbx_chem_comp_instance_depositor_info.label_alt_id _pdbx_chem_comp_instance_depositor_info.author_provided_flag _pdbx_chem_comp_instance_depositor_info.in_polymer_flag 1 X78 102 W . . Y N