data_6Z72 # _model_server_result.job_id cb6_XgKhasvLwjRN8K3MCg _model_server_result.datetime_utc '2024-11-05 04:11:20' _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 6z72 # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"T","auth_seq_id":404}' # _entry.id 6Z72 # _exptl.entry_id 6Z72 _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 22.99 _entity.id 4 _entity.src_method nat _entity.type non-polymer _entity.pdbx_description 'SODIUM ION' _entity.pdbx_number_of_molecules 4 _entity.pdbx_parent_entity_id . _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.pdbx_ec ? # _cell.angle_alpha 90 _cell.angle_beta 94.41 _cell.angle_gamma 90 _cell.entry_id 6Z72 _cell.length_a 59.811 _cell.length_b 83.126 _cell.length_c 84.276 _cell.Z_PDB 8 _cell.pdbx_unique_axis ? # _symmetry.entry_id 6Z72 _symmetry.cell_setting ? _symmetry.Int_Tables_number 4 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 1 21 1' # loop_ _pdbx_struct_assembly.method_details _pdbx_struct_assembly.oligomeric_details _pdbx_struct_assembly.oligomeric_count _pdbx_struct_assembly.details _pdbx_struct_assembly.id ? monomeric 1 author_defined_assembly 1 ? monomeric 1 author_defined_assembly 2 ? monomeric 1 author_defined_assembly 3 ? monomeric 1 author_defined_assembly 4 # loop_ _pdbx_struct_assembly_gen.asym_id_list _pdbx_struct_assembly_gen.assembly_id _pdbx_struct_assembly_gen.oper_expression A,E,F,G,H,I,U 1 1 B,J,K,L,V 2 1 C,M,N,O,P,W 3 1 D,Q,R,S,T,X 4 1 # _pdbx_struct_oper_list.id 1 _pdbx_struct_oper_list.type 'identity operation' _pdbx_struct_oper_list.name 1_555 _pdbx_struct_oper_list.symmetry_operation x,y,z _pdbx_struct_oper_list.matrix[1][1] 1 _pdbx_struct_oper_list.matrix[1][2] 0 _pdbx_struct_oper_list.matrix[1][3] 0 _pdbx_struct_oper_list.matrix[2][1] 0 _pdbx_struct_oper_list.matrix[2][2] 1 _pdbx_struct_oper_list.matrix[2][3] 0 _pdbx_struct_oper_list.matrix[3][1] 0 _pdbx_struct_oper_list.matrix[3][2] 0 _pdbx_struct_oper_list.matrix[3][3] 1 _pdbx_struct_oper_list.vector[1] 0 _pdbx_struct_oper_list.vector[2] 0 _pdbx_struct_oper_list.vector[3] 0 # loop_ _struct_asym.details _struct_asym.entity_id _struct_asym.id _struct_asym.pdbx_modified _struct_asym.pdbx_blank_PDB_chainid_flag ? 4 I N N ? 4 L N N ? 4 P N N ? 4 T N 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 OE2 GLU 27 A GLU 230 1_555 I NA NA . A NA 405 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 3.104 ? metalc ? metalc2 I NA NA . A NA 405 1_555 U O HOH . A HOH 552 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.439 ? metalc ? metalc3 P NA NA . C NA 404 1_555 W O HOH . C HOH 525 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.176 ? metalc ? metalc4 D OE2 GLU 27 D GLU 230 1_555 T NA NA . D NA 404 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.85 ? metalc ? metalc5 T NA NA . D NA 404 1_555 X O HOH . D HOH 577 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.578 ? # _chem_comp.formula 'Na 1' _chem_comp.formula_weight 22.99 _chem_comp.id NA _chem_comp.mon_nstd_flag . _chem_comp.name 'SODIUM ION' _chem_comp.type non-polymer _chem_comp.pdbx_synonyms ? # _atom_sites.entry_id 6Z72 _atom_sites.fract_transf_matrix[1][1] 0.016719 _atom_sites.fract_transf_matrix[1][2] 0 _atom_sites.fract_transf_matrix[1][3] 0.001289 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.01203 _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] 0.011901 _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 E 2 A3R A 1 401 400 A3R A3R . F 3 EDO A 1 402 600 EDO EDO . G 3 EDO A 1 403 700 EDO EDO . H 3 EDO A 1 404 800 EDO EDO . I 4 NA A 1 405 1 NA NA . J 2 A3R B 1 401 400 A3R A3R . K 3 EDO B 1 402 500 EDO EDO . L 4 NA B 1 403 2 NA NA . M 2 A3R C 1 401 400 A3R A3R . N 3 EDO C 1 402 600 EDO EDO . O 3 EDO C 1 403 700 EDO EDO . P 4 NA C 1 404 3 NA NA . Q 2 A3R D 1 401 400 A3R A3R . R 5 MLT D 1 402 600 MLT MLT . S 3 EDO D 1 403 700 EDO EDO . T 4 NA D 1 404 4 NA NA . U 6 HOH A 1 501 104 HOH HOH . U 6 HOH A 2 502 51 HOH HOH . U 6 HOH A 3 503 39 HOH HOH . U 6 HOH A 4 504 7 HOH HOH . U 6 HOH A 5 505 157 HOH HOH . U 6 HOH A 6 506 37 HOH HOH . U 6 HOH A 7 507 66 HOH HOH . U 6 HOH A 8 508 192 HOH HOH . U 6 HOH A 9 509 239 HOH HOH . U 6 HOH A 10 510 116 HOH HOH . U 6 HOH A 11 511 19 HOH HOH . U 6 HOH A 12 512 73 HOH HOH . U 6 HOH A 13 513 57 HOH HOH . U 6 HOH A 14 514 42 HOH HOH . U 6 HOH A 15 515 250 HOH HOH . U 6 HOH A 16 516 17 HOH HOH . U 6 HOH A 17 517 109 HOH HOH . U 6 HOH A 18 518 228 HOH HOH . U 6 HOH A 19 519 175 HOH HOH . U 6 HOH A 20 520 128 HOH HOH . U 6 HOH A 21 521 86 HOH HOH . U 6 HOH A 22 522 274 HOH HOH . U 6 HOH A 23 523 77 HOH HOH . U 6 HOH A 24 524 45 HOH HOH . U 6 HOH A 25 525 105 HOH HOH . U 6 HOH A 26 526 193 HOH HOH . U 6 HOH A 27 527 47 HOH HOH . U 6 HOH A 28 528 126 HOH HOH . U 6 HOH A 29 529 33 HOH HOH . U 6 HOH A 30 530 177 HOH HOH . U 6 HOH A 31 531 282 HOH HOH . U 6 HOH A 32 532 160 HOH HOH . U 6 HOH A 33 533 144 HOH HOH . U 6 HOH A 34 534 184 HOH HOH . U 6 HOH A 35 535 253 HOH HOH . U 6 HOH A 36 536 52 HOH HOH . U 6 HOH A 37 537 169 HOH HOH . U 6 HOH A 38 538 251 HOH HOH . U 6 HOH A 39 539 72 HOH HOH . U 6 HOH A 40 540 188 HOH HOH . U 6 HOH A 41 541 113 HOH HOH . U 6 HOH A 42 542 242 HOH HOH . U 6 HOH A 43 543 216 HOH HOH . U 6 HOH A 44 544 241 HOH HOH . U 6 HOH A 45 545 255 HOH HOH . U 6 HOH A 46 546 229 HOH HOH . U 6 HOH A 47 547 268 HOH HOH . U 6 HOH A 48 548 97 HOH HOH . U 6 HOH A 49 549 167 HOH HOH . U 6 HOH A 50 550 166 HOH HOH . U 6 HOH A 51 551 259 HOH HOH . U 6 HOH A 52 552 196 HOH HOH . U 6 HOH A 53 553 215 HOH HOH . U 6 HOH A 54 554 249 HOH HOH . U 6 HOH A 55 555 99 HOH HOH . U 6 HOH A 56 556 106 HOH HOH . U 6 HOH A 57 557 194 HOH HOH . U 6 HOH A 58 558 187 HOH HOH . V 6 HOH B 1 501 127 HOH HOH . V 6 HOH B 2 502 189 HOH HOH . V 6 HOH B 3 503 108 HOH HOH . V 6 HOH B 4 504 22 HOH HOH . V 6 HOH B 5 505 163 HOH HOH . V 6 HOH B 6 506 214 HOH HOH . V 6 HOH B 7 507 293 HOH HOH . V 6 HOH B 8 508 55 HOH HOH . V 6 HOH B 9 509 154 HOH HOH . V 6 HOH B 10 510 235 HOH HOH . V 6 HOH B 11 511 226 HOH HOH . V 6 HOH B 12 512 65 HOH HOH . V 6 HOH B 13 513 25 HOH HOH . V 6 HOH B 14 514 76 HOH HOH . V 6 HOH B 15 515 101 HOH HOH . V 6 HOH B 16 516 292 HOH HOH . V 6 HOH B 17 517 95 HOH HOH . V 6 HOH B 18 518 28 HOH HOH . V 6 HOH B 19 519 278 HOH HOH . V 6 HOH B 20 520 1 HOH HOH . V 6 HOH B 21 521 24 HOH HOH . V 6 HOH B 22 522 35 HOH HOH . V 6 HOH B 23 523 199 HOH HOH . V 6 HOH B 24 524 59 HOH HOH . V 6 HOH B 25 525 289 HOH HOH . V 6 HOH B 26 526 223 HOH HOH . V 6 HOH B 27 527 124 HOH HOH . V 6 HOH B 28 528 53 HOH HOH . V 6 HOH B 29 529 15 HOH HOH . V 6 HOH B 30 530 200 HOH HOH . V 6 HOH B 31 531 14 HOH HOH . V 6 HOH B 32 532 107 HOH HOH . V 6 HOH B 33 533 58 HOH HOH . V 6 HOH B 34 534 119 HOH HOH . V 6 HOH B 35 535 134 HOH HOH . V 6 HOH B 36 536 181 HOH HOH . V 6 HOH B 37 537 290 HOH HOH . V 6 HOH B 38 538 13 HOH HOH . V 6 HOH B 39 539 88 HOH HOH . V 6 HOH B 40 540 133 HOH HOH . V 6 HOH B 41 541 111 HOH HOH . V 6 HOH B 42 542 152 HOH HOH . V 6 HOH B 43 543 64 HOH HOH . V 6 HOH B 44 544 178 HOH HOH . V 6 HOH B 45 545 222 HOH HOH . V 6 HOH B 46 546 71 HOH HOH . V 6 HOH B 47 547 285 HOH HOH . V 6 HOH B 48 548 276 HOH HOH . V 6 HOH B 49 549 153 HOH HOH . V 6 HOH B 50 550 281 HOH HOH . V 6 HOH B 51 551 117 HOH HOH . V 6 HOH B 52 552 172 HOH HOH . V 6 HOH B 53 553 118 HOH HOH . V 6 HOH B 54 554 142 HOH HOH . V 6 HOH B 55 555 140 HOH HOH . V 6 HOH B 56 556 195 HOH HOH . V 6 HOH B 57 557 287 HOH HOH . V 6 HOH B 58 558 247 HOH HOH . V 6 HOH B 59 559 170 HOH HOH . V 6 HOH B 60 560 174 HOH HOH . V 6 HOH B 61 561 114 HOH HOH . V 6 HOH B 62 562 148 HOH HOH . V 6 HOH B 63 563 238 HOH HOH . V 6 HOH B 64 564 186 HOH HOH . V 6 HOH B 65 565 150 HOH HOH . W 6 HOH C 1 501 129 HOH HOH . W 6 HOH C 2 502 46 HOH HOH . W 6 HOH C 3 503 191 HOH HOH . W 6 HOH C 4 504 80 HOH HOH . W 6 HOH C 5 505 81 HOH HOH . W 6 HOH C 6 506 277 HOH HOH . W 6 HOH C 7 507 261 HOH HOH . W 6 HOH C 8 508 230 HOH HOH . W 6 HOH C 9 509 288 HOH HOH . W 6 HOH C 10 510 96 HOH HOH . W 6 HOH C 11 511 98 HOH HOH . W 6 HOH C 12 512 256 HOH HOH . W 6 HOH C 13 513 257 HOH HOH . W 6 HOH C 14 514 171 HOH HOH . W 6 HOH C 15 515 248 HOH HOH . W 6 HOH C 16 516 6 HOH HOH . W 6 HOH C 17 517 16 HOH HOH . W 6 HOH C 18 518 18 HOH HOH . W 6 HOH C 19 519 23 HOH HOH . W 6 HOH C 20 520 130 HOH HOH . W 6 HOH C 21 521 49 HOH HOH . W 6 HOH C 22 522 54 HOH HOH . W 6 HOH C 23 523 294 HOH HOH . W 6 HOH C 24 524 155 HOH HOH . W 6 HOH C 25 525 221 HOH HOH . W 6 HOH C 26 526 135 HOH HOH . W 6 HOH C 27 527 273 HOH HOH . W 6 HOH C 28 528 267 HOH HOH . W 6 HOH C 29 529 20 HOH HOH . W 6 HOH C 30 530 5 HOH HOH . W 6 HOH C 31 531 26 HOH HOH . W 6 HOH C 32 532 102 HOH HOH . W 6 HOH C 33 533 48 HOH HOH . W 6 HOH C 34 534 4 HOH HOH . W 6 HOH C 35 535 265 HOH HOH . W 6 HOH C 36 536 32 HOH HOH . W 6 HOH C 37 537 110 HOH HOH . W 6 HOH C 38 538 115 HOH HOH . W 6 HOH C 39 539 205 HOH HOH . W 6 HOH C 40 540 208 HOH HOH . W 6 HOH C 41 541 179 HOH HOH . W 6 HOH C 42 542 125 HOH HOH . W 6 HOH C 43 543 141 HOH HOH . W 6 HOH C 44 544 271 HOH HOH . W 6 HOH C 45 545 165 HOH HOH . W 6 HOH C 46 546 211 HOH HOH . W 6 HOH C 47 547 233 HOH HOH . W 6 HOH C 48 548 82 HOH HOH . W 6 HOH C 49 549 147 HOH HOH . W 6 HOH C 50 550 27 HOH HOH . W 6 HOH C 51 551 234 HOH HOH . W 6 HOH C 52 552 224 HOH HOH . W 6 HOH C 53 553 258 HOH HOH . W 6 HOH C 54 554 275 HOH HOH . W 6 HOH C 55 555 74 HOH HOH . W 6 HOH C 56 556 213 HOH HOH . W 6 HOH C 57 557 123 HOH HOH . W 6 HOH C 58 558 91 HOH HOH . W 6 HOH C 59 559 89 HOH HOH . W 6 HOH C 60 560 56 HOH HOH . W 6 HOH C 61 561 295 HOH HOH . W 6 HOH C 62 562 296 HOH HOH . W 6 HOH C 63 563 90 HOH HOH . W 6 HOH C 64 564 218 HOH HOH . W 6 HOH C 65 565 284 HOH HOH . W 6 HOH C 66 566 286 HOH HOH . W 6 HOH C 67 567 291 HOH HOH . W 6 HOH C 68 568 60 HOH HOH . W 6 HOH C 69 569 209 HOH HOH . W 6 HOH C 70 570 243 HOH HOH . W 6 HOH C 71 571 232 HOH HOH . W 6 HOH C 72 572 270 HOH HOH . W 6 HOH C 73 573 207 HOH HOH . W 6 HOH C 74 574 254 HOH HOH . W 6 HOH C 75 575 70 HOH HOH . W 6 HOH C 76 576 280 HOH HOH . W 6 HOH C 77 577 92 HOH HOH . W 6 HOH C 78 578 93 HOH HOH . W 6 HOH C 79 579 120 HOH HOH . X 6 HOH D 1 501 50 HOH HOH . X 6 HOH D 2 502 279 HOH HOH . X 6 HOH D 3 503 164 HOH HOH . X 6 HOH D 4 504 38 HOH HOH . X 6 HOH D 5 505 11 HOH HOH . X 6 HOH D 6 506 136 HOH HOH . X 6 HOH D 7 507 40 HOH HOH . X 6 HOH D 8 508 246 HOH HOH . X 6 HOH D 9 509 36 HOH HOH . X 6 HOH D 10 510 225 HOH HOH . X 6 HOH D 11 511 185 HOH HOH . X 6 HOH D 12 512 83 HOH HOH . X 6 HOH D 13 513 245 HOH HOH . X 6 HOH D 14 514 94 HOH HOH . X 6 HOH D 15 515 252 HOH HOH . X 6 HOH D 16 516 219 HOH HOH . X 6 HOH D 17 517 43 HOH HOH . X 6 HOH D 18 518 9 HOH HOH . X 6 HOH D 19 519 161 HOH HOH . X 6 HOH D 20 520 121 HOH HOH . X 6 HOH D 21 521 41 HOH HOH . X 6 HOH D 22 522 44 HOH HOH . X 6 HOH D 23 523 87 HOH HOH . X 6 HOH D 24 524 34 HOH HOH . X 6 HOH D 25 525 8 HOH HOH . X 6 HOH D 26 526 69 HOH HOH . X 6 HOH D 27 527 12 HOH HOH . X 6 HOH D 28 528 203 HOH HOH . X 6 HOH D 29 529 168 HOH HOH . X 6 HOH D 30 530 79 HOH HOH . X 6 HOH D 31 531 260 HOH HOH . X 6 HOH D 32 532 75 HOH HOH . X 6 HOH D 33 533 61 HOH HOH . X 6 HOH D 34 534 197 HOH HOH . X 6 HOH D 35 535 68 HOH HOH . X 6 HOH D 36 536 132 HOH HOH . X 6 HOH D 37 537 67 HOH HOH . X 6 HOH D 38 538 138 HOH HOH . X 6 HOH D 39 539 131 HOH HOH . X 6 HOH D 40 540 21 HOH HOH . X 6 HOH D 41 541 240 HOH HOH . X 6 HOH D 42 542 162 HOH HOH . X 6 HOH D 43 543 176 HOH HOH . X 6 HOH D 44 544 3 HOH HOH . X 6 HOH D 45 545 204 HOH HOH . X 6 HOH D 46 546 78 HOH HOH . X 6 HOH D 47 547 122 HOH HOH . X 6 HOH D 48 548 262 HOH HOH . X 6 HOH D 49 549 29 HOH HOH . X 6 HOH D 50 550 151 HOH HOH . X 6 HOH D 51 551 272 HOH HOH . X 6 HOH D 52 552 190 HOH HOH . X 6 HOH D 53 553 212 HOH HOH . X 6 HOH D 54 554 156 HOH HOH . X 6 HOH D 55 555 236 HOH HOH . X 6 HOH D 56 556 182 HOH HOH . X 6 HOH D 57 557 173 HOH HOH . X 6 HOH D 58 558 2 HOH HOH . X 6 HOH D 59 559 103 HOH HOH . X 6 HOH D 60 560 137 HOH HOH . X 6 HOH D 61 561 220 HOH HOH . X 6 HOH D 62 562 158 HOH HOH . X 6 HOH D 63 563 85 HOH HOH . X 6 HOH D 64 564 10 HOH HOH . X 6 HOH D 65 565 30 HOH HOH . X 6 HOH D 66 566 180 HOH HOH . X 6 HOH D 67 567 227 HOH HOH . X 6 HOH D 68 568 143 HOH HOH . X 6 HOH D 69 569 237 HOH HOH . X 6 HOH D 70 570 31 HOH HOH . X 6 HOH D 71 571 283 HOH HOH . X 6 HOH D 72 572 62 HOH HOH . X 6 HOH D 73 573 63 HOH HOH . X 6 HOH D 74 574 145 HOH HOH . X 6 HOH D 75 575 159 HOH HOH . X 6 HOH D 76 576 146 HOH HOH . X 6 HOH D 77 577 202 HOH HOH . X 6 HOH D 78 578 206 HOH HOH . X 6 HOH D 79 579 183 HOH HOH . X 6 HOH D 80 580 84 HOH HOH . X 6 HOH D 81 581 139 HOH HOH . X 6 HOH D 82 582 201 HOH HOH . X 6 HOH D 83 583 217 HOH HOH . X 6 HOH D 84 584 112 HOH HOH . X 6 HOH D 85 585 210 HOH HOH . X 6 HOH D 86 586 244 HOH HOH . X 6 HOH D 87 587 100 HOH HOH . X 6 HOH D 88 588 231 HOH HOH . X 6 HOH D 89 589 149 HOH HOH . X 6 HOH D 90 590 269 HOH HOH . # _atom_site.group_PDB HETATM _atom_site.id 1 _atom_site.type_symbol NA _atom_site.label_atom_id NA _atom_site.label_comp_id NA _atom_site.label_seq_id . _atom_site.label_alt_id . _atom_site.pdbx_PDB_ins_code . _atom_site.label_asym_id T _atom_site.label_entity_id 4 _atom_site.Cartn_x 31.535 _atom_site.Cartn_y 12.408 _atom_site.Cartn_z -31.053 _atom_site.occupancy 1 _atom_site.B_iso_or_equiv 33.27 _atom_site.pdbx_formal_charge ? _atom_site.auth_atom_id NA _atom_site.auth_comp_id NA _atom_site.auth_seq_id 404 _atom_site.auth_asym_id D _atom_site.pdbx_PDB_model_num 1 # _model_server_stats.io_time_ms 15 _model_server_stats.parse_time_ms 10 _model_server_stats.create_model_time_ms 12 _model_server_stats.query_time_ms 215 _model_server_stats.encode_time_ms 3 _model_server_stats.element_count 1 #