data_4YMC # _model_server_result.job_id CK9DpVwi5uhC-EkLx_OCYQ _model_server_result.datetime_utc '2024-11-14 13:41:04' _model_server_result.server_version 0.9.12 _model_server_result.query_name ligand _model_server_result.source_id pdb-bcif _model_server_result.entry_id 4ymc # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"C","auth_seq_id":102}' # _entry.id 4YMC # _exptl.entry_id 4YMC _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 747.732 _entity.id 3 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description 'Ru(tap)2(dppz) complex' _entity.pdbx_number_of_molecules 1 _entity.pdbx_parent_entity_id . _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.pdbx_ec ? # _cell.angle_alpha 90 _cell.angle_beta 90 _cell.angle_gamma 90 _cell.entry_id 4YMC _cell.length_a 47.38 _cell.length_b 47.38 _cell.length_c 33.83 _cell.Z_PDB 8 _cell.pdbx_unique_axis ? # _symmetry.entry_id 4YMC _symmetry.cell_setting ? _symmetry.Int_Tables_number 96 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 43 21 2' # _pdbx_struct_assembly.method_details PISA _pdbx_struct_assembly.oligomeric_details dimeric _pdbx_struct_assembly.oligomeric_count 2 _pdbx_struct_assembly.details author_and_software_defined_assembly _pdbx_struct_assembly.id 1 # _pdbx_struct_assembly_gen.asym_id_list A,B,C,D,E _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1,2 # loop_ _pdbx_struct_oper_list.id _pdbx_struct_oper_list.type _pdbx_struct_oper_list.name _pdbx_struct_oper_list.symmetry_operation _pdbx_struct_oper_list.matrix[1][1] _pdbx_struct_oper_list.matrix[1][2] _pdbx_struct_oper_list.matrix[1][3] _pdbx_struct_oper_list.matrix[2][1] _pdbx_struct_oper_list.matrix[2][2] _pdbx_struct_oper_list.matrix[2][3] _pdbx_struct_oper_list.matrix[3][1] _pdbx_struct_oper_list.matrix[3][2] _pdbx_struct_oper_list.matrix[3][3] _pdbx_struct_oper_list.vector[1] _pdbx_struct_oper_list.vector[2] _pdbx_struct_oper_list.vector[3] 1 'identity operation' 1_555 x,y,z 1 0 0 0 1 0 0 0 1 0 0 0 2 'crystal symmetry operation' 7_555 y,x,-z 0 1 0 1 0 0 0 0 -1 0 0 0 # _struct_asym.details ? _struct_asym.entity_id 3 _struct_asym.id C _struct_asym.pdbx_modified N _struct_asym.pdbx_blank_PDB_chainid_flag N # loop_ _struct_conn.conn_type_id _struct_conn.details _struct_conn.id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_symmetry _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr1_label_alt_id _struct_conn.pdbx_ptnr1_standard_comp_id _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.pdbx_ptnr2_label_alt_id _struct_conn.pdbx_ptnr3_PDB_ins_code _struct_conn.pdbx_ptnr3_label_alt_id _struct_conn.pdbx_ptnr3_label_asym_id _struct_conn.pdbx_ptnr3_label_atom_id _struct_conn.pdbx_ptnr3_label_comp_id _struct_conn.pdbx_ptnr3_label_seq_id _struct_conn.pdbx_PDB_id _struct_conn.pdbx_dist_value _struct_conn.pdbx_value_order metalc ? metalc1 A O6 DG 4 A DG 4 1_555 B BA BA . A BA 101 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.813 ? metalc ? metalc2 B BA BA . A BA 101 1_555 E O HOH . A HOH 202 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.994 ? metalc ? metalc3 B BA BA . A BA 101 1_555 E O HOH . A HOH 204 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.775 ? metalc ? metalc4 B BA BA . A BA 101 1_555 E O HOH . A HOH 205 7_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.758 ? metalc ? metalc5 B BA BA . A BA 101 1_555 E O HOH . A HOH 208 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.841 ? metalc ? metalc6 B BA BA . A BA 101 1_555 E O HOH . A HOH 210 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.918 ? hydrog 'DC-DG PAIR' hydrog1 A N4 DC 1 A DC 1 1_555 A O6 DG 10 A DG 10 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog2 A N3 DC 2 A DC 2 1_555 A N1 DG 9 A DG 9 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog3 A N4 DC 2 A DC 2 1_555 A O6 DG 9 A DG 9 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog4 A O2 DC 2 A DC 2 1_555 A N2 DG 9 A DG 9 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog5 A N1 DG 3 A DG 3 1_555 A N3 DC 8 A DC 8 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog6 A N2 DG 3 A DG 3 1_555 A O2 DC 8 A DC 8 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog7 A O6 DG 3 A DG 3 1_555 A N4 DC 8 A DC 8 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog8 A N1 DG 4 A DG 4 1_555 A N3 DC 7 A DC 7 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog9 A N2 DG 4 A DG 4 1_555 A O2 DC 7 A DC 7 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog10 A O6 DG 4 A DG 4 1_555 A N4 DC 7 A DC 7 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog11 A N1 DA 5 A DA 5 1_555 A N3 DT 6 A DT 6 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog12 A N6 DA 5 A DA 5 1_555 A O4 DT 6 A DT 6 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog13 A N3 DT 6 A DT 6 1_555 A N1 DA 5 A DA 5 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog14 A O4 DT 6 A DT 6 1_555 A N6 DA 5 A DA 5 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog15 A N3 DC 7 A DC 7 1_555 A N1 DG 4 A DG 4 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog16 A N4 DC 7 A DC 7 1_555 A O6 DG 4 A DG 4 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog17 A O2 DC 7 A DC 7 1_555 A N2 DG 4 A DG 4 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog18 A N3 DC 8 A DC 8 1_555 A N1 DG 3 A DG 3 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog19 A N4 DC 8 A DC 8 1_555 A O6 DG 3 A DG 3 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog20 A O2 DC 8 A DC 8 1_555 A N2 DG 3 A DG 3 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog21 A N1 DG 9 A DG 9 1_555 A N3 DC 2 A DC 2 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog22 A N2 DG 9 A DG 9 1_555 A O2 DC 2 A DC 2 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog23 A O6 DG 9 A DG 9 1_555 A N4 DC 2 A DC 2 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog 'DG-DC PAIR' hydrog24 A O6 DG 10 A DG 10 1_555 A N4 DC 1 A DC 1 7_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? # _chem_comp.formula 'C38 H22 N12 Ru 2' _chem_comp.formula_weight 747.732 _chem_comp.id RKL _chem_comp.mon_nstd_flag . _chem_comp.name 'Ru(tap)2(dppz) complex' _chem_comp.type non-polymer _chem_comp.pdbx_synonyms ? # loop_ _chem_comp_bond.atom_id_1 _chem_comp_bond.atom_id_2 _chem_comp_bond.comp_id _chem_comp_bond.value_order _chem_comp_bond.pdbx_ordinal _chem_comp_bond.pdbx_stereo_config _chem_comp_bond.pdbx_aromatic_flag RU N1 RKL sing 152 n n RU N2 RKL sing 153 n n RU N5 RKL sing 154 n n RU N8 RKL sing 155 n n RU N9 RKL sing 156 n n RU N12 RKL sing 157 n n C1 N2 RKL doub 158 n y C1 C5 RKL sing 159 n y C1 C10 RKL sing 160 n y N1 C10 RKL doub 161 n y N1 C12 RKL sing 162 n y C2 N2 RKL sing 163 n y C2 C3 RKL doub 164 n y C2 H2 RKL sing 165 n n C3 C4 RKL sing 166 n y C3 H3 RKL sing 167 n n N3 C6 RKL doub 168 n y N3 C15 RKL sing 169 n y C4 C5 RKL doub 170 n y C4 H4 RKL sing 171 n n N4 C7 RKL doub 172 n y N4 C13 RKL sing 173 n y C5 C6 RKL sing 174 n y N5 C19 RKL doub 175 n y N5 C20 RKL sing 176 n y C6 C7 RKL sing 177 n y N6 C21 RKL sing 178 n y N6 C22 RKL doub 179 n y C7 C8 RKL sing 180 n y N7 C25 RKL doub 181 n y N7 C27 RKL sing 182 n y C8 C9 RKL doub 183 n y C8 C10 RKL sing 184 n y N8 C26 RKL doub 185 n y N8 C28 RKL sing 186 n y C9 C11 RKL sing 187 n y C9 H9 RKL sing 188 n n N9 C29 RKL doub 189 n y N9 C30 RKL sing 190 n y N10 C31 RKL sing 191 n y N10 C32 RKL doub 192 n y C11 C12 RKL doub 193 n y C11 H11 RKL sing 194 n n N11 C35 RKL doub 195 n y N11 C37 RKL sing 196 n y C12 H12 RKL sing 197 n n N12 C36 RKL doub 198 n y N12 C38 RKL sing 199 n y C13 C14 RKL sing 200 n y C13 C15 RKL doub 201 n y C14 C18 RKL doub 202 n y C14 H14 RKL sing 203 n n C15 C16 RKL sing 204 n y C16 C17 RKL doub 205 n y C16 H16 RKL sing 206 n n C17 C18 RKL sing 207 n y C17 H17 RKL sing 208 n n C18 H18 RKL sing 209 n n C19 C22 RKL sing 210 n y C19 C26 RKL sing 211 n y C20 C21 RKL doub 212 n y C20 H20 RKL sing 213 n n C21 H21 RKL sing 214 n n C22 C23 RKL sing 215 n y C23 C24 RKL doub 216 n y C23 H23 RKL sing 217 n n C24 C25 RKL sing 218 n y C24 H24 RKL sing 219 n n C25 C26 RKL sing 220 n y C27 C28 RKL doub 221 n y C27 H27 RKL sing 222 n n C28 H28 RKL sing 223 n n C29 C32 RKL sing 224 n y C29 C36 RKL sing 225 n y C30 C31 RKL doub 226 n y C30 H30 RKL sing 227 n n C31 H31 RKL sing 228 n n C32 C33 RKL sing 229 n y C33 C34 RKL doub 230 n y C33 H33 RKL sing 231 n n C34 C35 RKL sing 232 n y C34 H34 RKL sing 233 n n C35 C36 RKL sing 234 n y C37 C38 RKL doub 235 n y C37 H37 RKL sing 236 n n C38 H38 RKL sing 237 n n # _atom_sites.entry_id 4YMC _atom_sites.fract_transf_matrix[1][1] 0.021106 _atom_sites.fract_transf_matrix[1][2] 0 _atom_sites.fract_transf_matrix[1][3] 0 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.021106 _atom_sites.fract_transf_matrix[2][3] 0 _atom_sites.fract_transf_matrix[3][1] 0 _atom_sites.fract_transf_matrix[3][2] 0 _atom_sites.fract_transf_matrix[3][3] 0.02956 _atom_sites.fract_transf_vector[1] 0 _atom_sites.fract_transf_vector[2] 0 _atom_sites.fract_transf_vector[3] 0 # loop_ _pdbx_nonpoly_scheme.asym_id _pdbx_nonpoly_scheme.entity_id _pdbx_nonpoly_scheme.mon_id _pdbx_nonpoly_scheme.pdb_strand_id _pdbx_nonpoly_scheme.ndb_seq_num _pdbx_nonpoly_scheme.pdb_seq_num _pdbx_nonpoly_scheme.auth_seq_num _pdbx_nonpoly_scheme.pdb_mon_id _pdbx_nonpoly_scheme.auth_mon_id _pdbx_nonpoly_scheme.pdb_ins_code B 2 BA A 1 101 1 BA BA . C 3 RKL A 1 102 2 RKL RKL . D 4 CL A 1 103 1 CL CL . E 5 HOH A 1 201 26 HOH HOH . E 5 HOH A 2 202 8 HOH HOH . E 5 HOH A 3 203 35 HOH HOH . E 5 HOH A 4 204 4 HOH HOH . E 5 HOH A 5 205 23 HOH HOH . E 5 HOH A 6 206 13 HOH HOH . E 5 HOH A 7 207 2 HOH HOH . E 5 HOH A 8 208 30 HOH HOH . E 5 HOH A 9 209 34 HOH HOH . E 5 HOH A 10 210 14 HOH HOH . E 5 HOH A 11 211 17 HOH HOH . E 5 HOH A 12 212 33 HOH HOH . E 5 HOH A 13 213 32 HOH HOH . E 5 HOH A 14 214 7 HOH HOH . E 5 HOH A 15 215 9 HOH HOH . E 5 HOH A 16 216 10 HOH HOH . E 5 HOH A 17 217 22 HOH HOH . E 5 HOH A 18 218 25 HOH HOH . E 5 HOH A 19 219 12 HOH HOH . E 5 HOH A 20 220 29 HOH HOH . # loop_ _atom_site.group_PDB _atom_site.id _atom_site.type_symbol _atom_site.label_atom_id _atom_site.label_comp_id _atom_site.label_seq_id _atom_site.label_alt_id _atom_site.pdbx_PDB_ins_code _atom_site.label_asym_id _atom_site.label_entity_id _atom_site.Cartn_x _atom_site.Cartn_y _atom_site.Cartn_z _atom_site.occupancy _atom_site.B_iso_or_equiv _atom_site.pdbx_formal_charge _atom_site.auth_atom_id _atom_site.auth_comp_id _atom_site.auth_seq_id _atom_site.auth_asym_id _atom_site.pdbx_PDB_model_num HETATM 1 RU RU RKL . . . C 3 15.733 0.822 0.936 1 40.34 ? RU RKL 102 A 1 HETATM 2 C C1 RKL . . . C 3 17.163 -0.959 2.443 1 39.01 ? C1 RKL 102 A 1 HETATM 3 N N1 RKL . . . C 3 15.03 -0.994 1.386 1 37.21 ? N1 RKL 102 A 1 HETATM 4 C C2 RKL . . . C 3 18.57 0.827 2.048 1 47.05 ? C2 RKL 102 A 1 HETATM 5 N N2 RKL . . . C 3 17.402 0.238 1.914 1 38.91 ? N2 RKL 102 A 1 HETATM 6 C C3 RKL . . . C 3 19.536 0.233 2.844 1 42.71 ? C3 RKL 102 A 1 HETATM 7 N N3 RKL . . . C 3 18.77 -3.332 4.658 1 38.74 ? N3 RKL 102 A 1 HETATM 8 C C4 RKL . . . C 3 19.325 -0.972 3.456 1 37 ? C4 RKL 102 A 1 HETATM 9 N N4 RKL . . . C 3 16.376 -4.548 4.251 1 38.14 ? N4 RKL 102 A 1 HETATM 10 C C5 RKL . . . C 3 18.113 -1.578 3.258 1 34.23 ? C5 RKL 102 A 1 HETATM 11 N N5 RKL . . . C 3 16.357 0.076 -0.895 1 38.99 ? N5 RKL 102 A 1 HETATM 12 C C6 RKL . . . C 3 17.85 -2.773 3.866 1 38.62 ? C6 RKL 102 A 1 HETATM 13 N N6 RKL . . . C 3 16.603 -0.42 -3.642 1 40.46 ? N6 RKL 102 A 1 HETATM 14 C C7 RKL . . . C 3 16.613 -3.382 3.661 1 38.4 ? C7 RKL 102 A 1 HETATM 15 N N7 RKL . . . C 3 12.02 1.899 -1.763 1 40.72 ? N7 RKL 102 A 1 HETATM 16 C C8 RKL . . . C 3 15.675 -2.793 2.831 1 39.14 ? C8 RKL 102 A 1 HETATM 17 N N8 RKL . . . C 3 14.055 1.367 -0.086 1 38.23 ? N8 RKL 102 A 1 HETATM 18 C C9 RKL . . . C 3 14.449 -3.388 2.627 1 38.47 ? C9 RKL 102 A 1 HETATM 19 N N9 RKL . . . C 3 15.116 1.603 2.66 1 37.28 ? N9 RKL 102 A 1 HETATM 20 C C10 RKL . . . C 3 15.917 -1.567 2.233 1 37.86 ? C10 RKL 102 A 1 HETATM 21 N N10 RKL . . . C 3 14.305 3.168 4.694 1 40.01 ? N10 RKL 102 A 1 HETATM 22 C C11 RKL . . . C 3 13.533 -2.748 1.813 1 38.21 ? C11 RKL 102 A 1 HETATM 23 N N11 RKL . . . C 3 17.215 5.379 0.726 1 38.85 ? N11 RKL 102 A 1 HETATM 24 C C12 RKL . . . C 3 13.821 -1.514 1.216 1 38.38 ? C12 RKL 102 A 1 HETATM 25 N N12 RKL . . . C 3 16.49 2.679 0.548 1 39.86 ? N12 RKL 102 A 1 HETATM 26 C C13 RKL . . . C 3 17.292 -5.096 5.047 1 37.84 ? C13 RKL 102 A 1 HETATM 27 C C14 RKL . . . C 3 17.033 -6.304 5.673 1 39.05 ? C14 RKL 102 A 1 HETATM 28 C C15 RKL . . . C 3 18.506 -4.505 5.249 1 39.1 ? C15 RKL 102 A 1 HETATM 29 C C16 RKL . . . C 3 19.438 -5.075 6.078 1 38.92 ? C16 RKL 102 A 1 HETATM 30 C C17 RKL . . . C 3 19.205 -6.284 6.689 1 40.29 ? C17 RKL 102 A 1 HETATM 31 C C18 RKL . . . C 3 17.99 -6.896 6.49 1 38.83 ? C18 RKL 102 A 1 HETATM 32 C C19 RKL . . . C 3 15.383 0.431 -1.808 1 38.89 ? C19 RKL 102 A 1 HETATM 33 C C20 RKL . . . C 3 17.484 -0.431 -1.397 1 36.72 ? C20 RKL 102 A 1 HETATM 34 C C21 RKL . . . C 3 17.591 -0.713 -2.758 1 38.06 ? C21 RKL 102 A 1 HETATM 35 C C22 RKL . . . C 3 15.46 0.132 -3.165 1 42.24 ? C22 RKL 102 A 1 HETATM 36 C C23 RKL . . . C 3 14.403 0.448 -4.05 1 38.59 ? C23 RKL 102 A 1 HETATM 37 C C24 RKL . . . C 3 13.248 1.029 -3.58 1 41.29 ? C24 RKL 102 A 1 HETATM 38 C C25 RKL . . . C 3 13.13 1.307 -2.235 1 39.11 ? C25 RKL 102 A 1 HETATM 39 C C26 RKL . . . C 3 14.188 1.031 -1.357 1 38.05 ? C26 RKL 102 A 1 HETATM 40 C C27 RKL . . . C 3 11.891 2.169 -0.481 1 37.61 ? C27 RKL 102 A 1 HETATM 41 C C28 RKL . . . C 3 12.915 1.854 0.398 1 39.75 ? C28 RKL 102 A 1 HETATM 42 C C29 RKL . . . C 3 15.384 2.897 2.63 1 36.88 ? C29 RKL 102 A 1 HETATM 43 C C30 RKL . . . C 3 14.318 1.149 3.626 1 37.98 ? C30 RKL 102 A 1 HETATM 44 C C31 RKL . . . C 3 13.972 1.952 4.64 1 36.75 ? C31 RKL 102 A 1 HETATM 45 C C32 RKL . . . C 3 15.023 3.693 3.697 1 36.07 ? C32 RKL 102 A 1 HETATM 46 C C33 RKL . . . C 3 15.364 5.003 3.747 1 39.68 ? C33 RKL 102 A 1 HETATM 47 C C34 RKL . . . C 3 16.113 5.582 2.74 1 36.15 ? C34 RKL 102 A 1 HETATM 48 C C35 RKL . . . C 3 16.494 4.802 1.692 1 40.13 ? C35 RKL 102 A 1 HETATM 49 C C36 RKL . . . C 3 16.15 3.448 1.604 1 39.89 ? C36 RKL 102 A 1 HETATM 50 C C37 RKL . . . C 3 17.559 4.589 -0.29 1 41.37 ? C37 RKL 102 A 1 HETATM 51 C C38 RKL . . . C 3 17.23 3.236 -0.393 1 41.16 ? C38 RKL 102 A 1 # _model_server_stats.io_time_ms 6 _model_server_stats.parse_time_ms 8 _model_server_stats.create_model_time_ms 1 _model_server_stats.query_time_ms 189 _model_server_stats.encode_time_ms 6 _model_server_stats.element_count 51 #