data_7FSZ # _model_server_result.job_id 9HBOHTkgdD3lcg_QJhsFyw _model_server_result.datetime_utc '2024-11-13 06:01:02' _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 7fsz # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"E","auth_seq_id":301}' # _entry.id 7FSZ # _exptl.entry_id 7FSZ _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 62.068 _entity.id 2 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description 1,2-ETHANEDIOL _entity.pdbx_number_of_molecules 8 _entity.pdbx_parent_entity_id . _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.pdbx_ec ? # _cell.angle_alpha 90 _cell.angle_beta 94.63 _cell.angle_gamma 90 _cell.entry_id 7FSZ _cell.length_a 80.265 _cell.length_b 49.403 _cell.length_c 115.536 _cell.Z_PDB 8 _cell.pdbx_unique_axis ? # _symmetry.entry_id 7FSZ _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,U 1 1 B,F,G,H,V 2 1 C,I,J,K,L,W 3 1 D,M,N,O,P,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 ? 2 E N N ? 2 F N N ? 2 G N N ? 2 I N N ? 2 J N N ? 2 K N N ? 2 N N N ? 2 O N N # _chem_comp.formula 'C2 H6 O2' _chem_comp.formula_weight 62.068 _chem_comp.id EDO _chem_comp.mon_nstd_flag . _chem_comp.name 1,2-ETHANEDIOL _chem_comp.type non-polymer _chem_comp.pdbx_synonyms 'ETHYLENE GLYCOL' # 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 C1 O1 EDO sing 101 n n C1 C2 EDO sing 102 n n C1 H11 EDO sing 103 n n C1 H12 EDO sing 104 n n O1 HO1 EDO sing 105 n n C2 O2 EDO sing 106 n n C2 H21 EDO sing 107 n n C2 H22 EDO sing 108 n n O2 HO2 EDO sing 109 n n # _atom_sites.entry_id 7FSZ _atom_sites.fract_transf_matrix[1][1] 0.012459 _atom_sites.fract_transf_matrix[1][2] 0 _atom_sites.fract_transf_matrix[1][3] 0.001008 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.020242 _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] 0.008684 _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 EDO A 1 301 1 EDO EDO . F 2 EDO B 1 301 2 EDO EDO . G 2 EDO B 1 302 3 EDO EDO . H 3 DGL B 1 303 1 DGL DGL . I 2 EDO C 1 301 4 EDO EDO . J 2 EDO C 1 302 7 EDO EDO . K 2 EDO C 1 303 8 EDO EDO . L 4 GLY C 1 304 1 GLY GLY . M 5 LQ3 D 1 301 301 LQ3 LIG . N 2 EDO D 1 302 5 EDO EDO . O 2 EDO D 1 303 6 EDO EDO . P 6 SO4 D 1 304 1 SO4 SO4 . Q 6 SO4 D 1 305 2 SO4 SO4 . R 6 SO4 D 1 306 3 SO4 SO4 . S 3 DGL D 1 307 2 DGL DGL . T 4 GLY D 1 308 1 GLY GLY . U 7 HOH A 1 401 278 HOH HOH . U 7 HOH A 2 402 249 HOH HOH . U 7 HOH A 3 403 203 HOH HOH . U 7 HOH A 4 404 251 HOH HOH . U 7 HOH A 5 405 236 HOH HOH . U 7 HOH A 6 406 101 HOH HOH . U 7 HOH A 7 407 14 HOH HOH . U 7 HOH A 8 408 56 HOH HOH . U 7 HOH A 9 409 312 HOH HOH . U 7 HOH A 10 410 5 HOH HOH . U 7 HOH A 11 411 83 HOH HOH . U 7 HOH A 12 412 52 HOH HOH . U 7 HOH A 13 413 310 HOH HOH . U 7 HOH A 14 414 160 HOH HOH . U 7 HOH A 15 415 328 HOH HOH . U 7 HOH A 16 416 103 HOH HOH . U 7 HOH A 17 417 212 HOH HOH . U 7 HOH A 18 418 275 HOH HOH . U 7 HOH A 19 419 321 HOH HOH . U 7 HOH A 20 420 34 HOH HOH . U 7 HOH A 21 421 282 HOH HOH . U 7 HOH A 22 422 317 HOH HOH . U 7 HOH A 23 423 120 HOH HOH . U 7 HOH A 24 424 253 HOH HOH . U 7 HOH A 25 425 133 HOH HOH . U 7 HOH A 26 426 49 HOH HOH . U 7 HOH A 27 427 113 HOH HOH . U 7 HOH A 28 428 117 HOH HOH . U 7 HOH A 29 429 257 HOH HOH . U 7 HOH A 30 430 279 HOH HOH . U 7 HOH A 31 431 43 HOH HOH . U 7 HOH A 32 432 67 HOH HOH . U 7 HOH A 33 433 217 HOH HOH . U 7 HOH A 34 434 289 HOH HOH . U 7 HOH A 35 435 77 HOH HOH . U 7 HOH A 36 436 353 HOH HOH . U 7 HOH A 37 437 384 HOH HOH . U 7 HOH A 38 438 360 HOH HOH . U 7 HOH A 39 439 277 HOH HOH . U 7 HOH A 40 440 294 HOH HOH . U 7 HOH A 41 441 342 HOH HOH . U 7 HOH A 42 442 301 HOH HOH . U 7 HOH A 43 443 146 HOH HOH . U 7 HOH A 44 444 381 HOH HOH . U 7 HOH A 45 445 153 HOH HOH . U 7 HOH A 46 446 107 HOH HOH . U 7 HOH A 47 447 365 HOH HOH . U 7 HOH A 48 448 216 HOH HOH . V 7 HOH B 1 401 241 HOH HOH . V 7 HOH B 2 402 190 HOH HOH . V 7 HOH B 3 403 230 HOH HOH . V 7 HOH B 4 404 308 HOH HOH . V 7 HOH B 5 405 290 HOH HOH . V 7 HOH B 6 406 210 HOH HOH . V 7 HOH B 7 407 57 HOH HOH . V 7 HOH B 8 408 179 HOH HOH . V 7 HOH B 9 409 299 HOH HOH . V 7 HOH B 10 410 188 HOH HOH . V 7 HOH B 11 411 300 HOH HOH . V 7 HOH B 12 412 51 HOH HOH . V 7 HOH B 13 413 379 HOH HOH . V 7 HOH B 14 414 165 HOH HOH . V 7 HOH B 15 415 10 HOH HOH . V 7 HOH B 16 416 159 HOH HOH . V 7 HOH B 17 417 1 HOH HOH . V 7 HOH B 18 418 74 HOH HOH . V 7 HOH B 19 419 184 HOH HOH . V 7 HOH B 20 420 95 HOH HOH . V 7 HOH B 21 421 91 HOH HOH . V 7 HOH B 22 422 13 HOH HOH . V 7 HOH B 23 423 258 HOH HOH . V 7 HOH B 24 424 38 HOH HOH . V 7 HOH B 25 425 105 HOH HOH . V 7 HOH B 26 426 17 HOH HOH . V 7 HOH B 27 427 245 HOH HOH . V 7 HOH B 28 428 385 HOH HOH . V 7 HOH B 29 429 207 HOH HOH . V 7 HOH B 30 430 162 HOH HOH . V 7 HOH B 31 431 115 HOH HOH . V 7 HOH B 32 432 209 HOH HOH . V 7 HOH B 33 433 171 HOH HOH . V 7 HOH B 34 434 128 HOH HOH . V 7 HOH B 35 435 9 HOH HOH . V 7 HOH B 36 436 323 HOH HOH . V 7 HOH B 37 437 276 HOH HOH . V 7 HOH B 38 438 174 HOH HOH . V 7 HOH B 39 439 18 HOH HOH . V 7 HOH B 40 440 211 HOH HOH . V 7 HOH B 41 441 246 HOH HOH . V 7 HOH B 42 442 15 HOH HOH . V 7 HOH B 43 443 252 HOH HOH . V 7 HOH B 44 444 130 HOH HOH . V 7 HOH B 45 445 29 HOH HOH . V 7 HOH B 46 446 235 HOH HOH . V 7 HOH B 47 447 261 HOH HOH . V 7 HOH B 48 448 104 HOH HOH . V 7 HOH B 49 449 205 HOH HOH . V 7 HOH B 50 450 161 HOH HOH . V 7 HOH B 51 451 333 HOH HOH . V 7 HOH B 52 452 338 HOH HOH . V 7 HOH B 53 453 70 HOH HOH . V 7 HOH B 54 454 32 HOH HOH . V 7 HOH B 55 455 291 HOH HOH . V 7 HOH B 56 456 37 HOH HOH . V 7 HOH B 57 457 285 HOH HOH . V 7 HOH B 58 458 61 HOH HOH . V 7 HOH B 59 459 23 HOH HOH . V 7 HOH B 60 460 3 HOH HOH . V 7 HOH B 61 461 135 HOH HOH . V 7 HOH B 62 462 63 HOH HOH . V 7 HOH B 63 463 92 HOH HOH . V 7 HOH B 64 464 163 HOH HOH . V 7 HOH B 65 465 206 HOH HOH . V 7 HOH B 66 466 232 HOH HOH . V 7 HOH B 67 467 102 HOH HOH . V 7 HOH B 68 468 118 HOH HOH . V 7 HOH B 69 469 220 HOH HOH . V 7 HOH B 70 470 272 HOH HOH . V 7 HOH B 71 471 45 HOH HOH . V 7 HOH B 72 472 82 HOH HOH . V 7 HOH B 73 473 221 HOH HOH . V 7 HOH B 74 474 309 HOH HOH . V 7 HOH B 75 475 214 HOH HOH . V 7 HOH B 76 476 85 HOH HOH . V 7 HOH B 77 477 240 HOH HOH . V 7 HOH B 78 478 137 HOH HOH . V 7 HOH B 79 479 58 HOH HOH . V 7 HOH B 80 480 292 HOH HOH . V 7 HOH B 81 481 318 HOH HOH . V 7 HOH B 82 482 332 HOH HOH . V 7 HOH B 83 483 335 HOH HOH . V 7 HOH B 84 484 152 HOH HOH . V 7 HOH B 85 485 378 HOH HOH . V 7 HOH B 86 486 306 HOH HOH . V 7 HOH B 87 487 166 HOH HOH . V 7 HOH B 88 488 259 HOH HOH . V 7 HOH B 89 489 366 HOH HOH . V 7 HOH B 90 490 198 HOH HOH . V 7 HOH B 91 491 132 HOH HOH . V 7 HOH B 92 492 69 HOH HOH . V 7 HOH B 93 493 380 HOH HOH . V 7 HOH B 94 494 22 HOH HOH . V 7 HOH B 95 495 362 HOH HOH . V 7 HOH B 96 496 371 HOH HOH . V 7 HOH B 97 497 356 HOH HOH . V 7 HOH B 98 498 341 HOH HOH . V 7 HOH B 99 499 143 HOH HOH . V 7 HOH B 100 500 349 HOH HOH . V 7 HOH B 101 501 254 HOH HOH . V 7 HOH B 102 502 280 HOH HOH . W 7 HOH C 1 401 62 HOH HOH . W 7 HOH C 2 402 293 HOH HOH . W 7 HOH C 3 403 54 HOH HOH . W 7 HOH C 4 404 339 HOH HOH . W 7 HOH C 5 405 8 HOH HOH . W 7 HOH C 6 406 35 HOH HOH . W 7 HOH C 7 407 140 HOH HOH . W 7 HOH C 8 408 4 HOH HOH . W 7 HOH C 9 409 99 HOH HOH . W 7 HOH C 10 410 36 HOH HOH . W 7 HOH C 11 411 33 HOH HOH . W 7 HOH C 12 412 6 HOH HOH . W 7 HOH C 13 413 21 HOH HOH . W 7 HOH C 14 414 42 HOH HOH . W 7 HOH C 15 415 46 HOH HOH . W 7 HOH C 16 416 350 HOH HOH . W 7 HOH C 17 417 12 HOH HOH . W 7 HOH C 18 418 64 HOH HOH . W 7 HOH C 19 419 387 HOH HOH . W 7 HOH C 20 420 181 HOH HOH . W 7 HOH C 21 421 256 HOH HOH . W 7 HOH C 22 422 354 HOH HOH . W 7 HOH C 23 423 7 HOH HOH . W 7 HOH C 24 424 197 HOH HOH . W 7 HOH C 25 425 173 HOH HOH . W 7 HOH C 26 426 136 HOH HOH . W 7 HOH C 27 427 66 HOH HOH . W 7 HOH C 28 428 110 HOH HOH . W 7 HOH C 29 429 193 HOH HOH . W 7 HOH C 30 430 41 HOH HOH . W 7 HOH C 31 431 123 HOH HOH . W 7 HOH C 32 432 124 HOH HOH . W 7 HOH C 33 433 19 HOH HOH . W 7 HOH C 34 434 109 HOH HOH . W 7 HOH C 35 435 265 HOH HOH . W 7 HOH C 36 436 27 HOH HOH . W 7 HOH C 37 437 337 HOH HOH . W 7 HOH C 38 438 325 HOH HOH . W 7 HOH C 39 439 191 HOH HOH . W 7 HOH C 40 440 141 HOH HOH . W 7 HOH C 41 441 358 HOH HOH . W 7 HOH C 42 442 264 HOH HOH . W 7 HOH C 43 443 79 HOH HOH . W 7 HOH C 44 444 114 HOH HOH . W 7 HOH C 45 445 68 HOH HOH . W 7 HOH C 46 446 106 HOH HOH . W 7 HOH C 47 447 302 HOH HOH . W 7 HOH C 48 448 125 HOH HOH . W 7 HOH C 49 449 59 HOH HOH . W 7 HOH C 50 450 201 HOH HOH . W 7 HOH C 51 451 60 HOH HOH . W 7 HOH C 52 452 273 HOH HOH . W 7 HOH C 53 453 100 HOH HOH . W 7 HOH C 54 454 90 HOH HOH . W 7 HOH C 55 455 138 HOH HOH . W 7 HOH C 56 456 195 HOH HOH . W 7 HOH C 57 457 55 HOH HOH . W 7 HOH C 58 458 119 HOH HOH . W 7 HOH C 59 459 111 HOH HOH . W 7 HOH C 60 460 307 HOH HOH . W 7 HOH C 61 461 168 HOH HOH . W 7 HOH C 62 462 361 HOH HOH . W 7 HOH C 63 463 186 HOH HOH . W 7 HOH C 64 464 369 HOH HOH . W 7 HOH C 65 465 131 HOH HOH . W 7 HOH C 66 466 284 HOH HOH . W 7 HOH C 67 467 346 HOH HOH . W 7 HOH C 68 468 377 HOH HOH . W 7 HOH C 69 469 149 HOH HOH . W 7 HOH C 70 470 368 HOH HOH . W 7 HOH C 71 471 345 HOH HOH . X 7 HOH D 1 401 202 HOH HOH . X 7 HOH D 2 402 182 HOH HOH . X 7 HOH D 3 403 215 HOH HOH . X 7 HOH D 4 404 148 HOH HOH . X 7 HOH D 5 405 248 HOH HOH . X 7 HOH D 6 406 145 HOH HOH . X 7 HOH D 7 407 386 HOH HOH . X 7 HOH D 8 408 2 HOH HOH . X 7 HOH D 9 409 185 HOH HOH . X 7 HOH D 10 410 11 HOH HOH . X 7 HOH D 11 411 222 HOH HOH . X 7 HOH D 12 412 20 HOH HOH . X 7 HOH D 13 413 343 HOH HOH . X 7 HOH D 14 414 167 HOH HOH . X 7 HOH D 15 415 228 HOH HOH . X 7 HOH D 16 416 180 HOH HOH . X 7 HOH D 17 417 239 HOH HOH . X 7 HOH D 18 418 244 HOH HOH . X 7 HOH D 19 419 373 HOH HOH . X 7 HOH D 20 420 84 HOH HOH . X 7 HOH D 21 421 176 HOH HOH . X 7 HOH D 22 422 98 HOH HOH . X 7 HOH D 23 423 126 HOH HOH . X 7 HOH D 24 424 116 HOH HOH . X 7 HOH D 25 425 172 HOH HOH . X 7 HOH D 26 426 187 HOH HOH . X 7 HOH D 27 427 189 HOH HOH . X 7 HOH D 28 428 157 HOH HOH . X 7 HOH D 29 429 311 HOH HOH . X 7 HOH D 30 430 80 HOH HOH . X 7 HOH D 31 431 31 HOH HOH . X 7 HOH D 32 432 382 HOH HOH . X 7 HOH D 33 433 359 HOH HOH . X 7 HOH D 34 434 229 HOH HOH . X 7 HOH D 35 435 319 HOH HOH . X 7 HOH D 36 436 223 HOH HOH . X 7 HOH D 37 437 147 HOH HOH . X 7 HOH D 38 438 154 HOH HOH . X 7 HOH D 39 439 16 HOH HOH . X 7 HOH D 40 440 219 HOH HOH . X 7 HOH D 41 441 78 HOH HOH . X 7 HOH D 42 442 25 HOH HOH . X 7 HOH D 43 443 352 HOH HOH . X 7 HOH D 44 444 238 HOH HOH . X 7 HOH D 45 445 196 HOH HOH . X 7 HOH D 46 446 329 HOH HOH . X 7 HOH D 47 447 65 HOH HOH . X 7 HOH D 48 448 177 HOH HOH . X 7 HOH D 49 449 283 HOH HOH . X 7 HOH D 50 450 155 HOH HOH . X 7 HOH D 51 451 194 HOH HOH . X 7 HOH D 52 452 322 HOH HOH . X 7 HOH D 53 453 169 HOH HOH . X 7 HOH D 54 454 266 HOH HOH . X 7 HOH D 55 455 183 HOH HOH . X 7 HOH D 56 456 44 HOH HOH . X 7 HOH D 57 457 364 HOH HOH . X 7 HOH D 58 458 24 HOH HOH . X 7 HOH D 59 459 331 HOH HOH . X 7 HOH D 60 460 237 HOH HOH . X 7 HOH D 61 461 233 HOH HOH . X 7 HOH D 62 462 255 HOH HOH . X 7 HOH D 63 463 295 HOH HOH . X 7 HOH D 64 464 86 HOH HOH . X 7 HOH D 65 465 204 HOH HOH . X 7 HOH D 66 466 158 HOH HOH . X 7 HOH D 67 467 47 HOH HOH . X 7 HOH D 68 468 26 HOH HOH . X 7 HOH D 69 469 340 HOH HOH . X 7 HOH D 70 470 170 HOH HOH . X 7 HOH D 71 471 175 HOH HOH . X 7 HOH D 72 472 330 HOH HOH . X 7 HOH D 73 473 112 HOH HOH . X 7 HOH D 74 474 122 HOH HOH . X 7 HOH D 75 475 234 HOH HOH . X 7 HOH D 76 476 344 HOH HOH . X 7 HOH D 77 477 231 HOH HOH . X 7 HOH D 78 478 72 HOH HOH . X 7 HOH D 79 479 139 HOH HOH . X 7 HOH D 80 480 262 HOH HOH . X 7 HOH D 81 481 355 HOH HOH . X 7 HOH D 82 482 192 HOH HOH . X 7 HOH D 83 483 199 HOH HOH . X 7 HOH D 84 484 247 HOH HOH . X 7 HOH D 85 485 270 HOH HOH . X 7 HOH D 86 486 156 HOH HOH . X 7 HOH D 87 487 242 HOH HOH . X 7 HOH D 88 488 227 HOH HOH . X 7 HOH D 89 489 383 HOH HOH . X 7 HOH D 90 490 347 HOH HOH . X 7 HOH D 91 491 351 HOH HOH . X 7 HOH D 92 492 324 HOH HOH . X 7 HOH D 93 493 269 HOH HOH . X 7 HOH D 94 494 367 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 C C1 EDO . . . E 2 -16.63 -5.43 -39.663 1 48.49 ? C1 EDO 301 A 1 HETATM 2 O O1 EDO . . . E 2 -16.99 -5.153 -38.325 1 50.63 ? O1 EDO 301 A 1 HETATM 3 C C2 EDO . . . E 2 -17.683 -5.045 -40.652 1 47.14 ? C2 EDO 301 A 1 HETATM 4 O O2 EDO . . . E 2 -18.836 -4.543 -40.034 1 42.85 ? O2 EDO 301 A 1 # _model_server_stats.io_time_ms 6 _model_server_stats.parse_time_ms 6 _model_server_stats.create_model_time_ms 25 _model_server_stats.query_time_ms 218 _model_server_stats.encode_time_ms 2 _model_server_stats.element_count 4 #