# loop_ _pdbx_chem_comp_subcomponent_struct_conn.id _pdbx_chem_comp_subcomponent_struct_conn.type _pdbx_chem_comp_subcomponent_struct_conn.entity_id_1 _pdbx_chem_comp_subcomponent_struct_conn.comp_id_1 _pdbx_chem_comp_subcomponent_struct_conn.seq_id_1 _pdbx_chem_comp_subcomponent_struct_conn.atom_id_1 _pdbx_chem_comp_subcomponent_struct_conn.entity_id_2 _pdbx_chem_comp_subcomponent_struct_conn.comp_id_2 _pdbx_chem_comp_subcomponent_struct_conn.seq_id_2 _pdbx_chem_comp_subcomponent_struct_conn.atom_id_2 1 covale 1 BGC 1 " O4" 1 BGC 2 " C1" 2 covale 1 BGC 2 " O4" 1 BGC 3 " C1" 3 covale 1 BGC 3 " O4" 1 BGC 4 " C1" 4 covale 1 BGC 4 " O4" 1 BGC 5 " C1" 5 covale 1 BGC 5 " O4" 1 BGC 6 " C1" 6 covale 1 BGC 6 " O4" 1 BGC 7 " C1" 7 covale 1 BGC 7 " O4" 1 BGC 8 " C1" #