data_6TC1 # _model_server_result.job_id 6mBQraWSOirBUjP-NQfQGw _model_server_result.datetime_utc '2024-11-22 20:29:59' _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 6tc1 # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"D","auth_seq_id":202}' # _entry.id 6TC1 # _exptl.entry_id 6TC1 _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 78.133 _entity.id 3 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description 'DIMETHYL SULFOXIDE' _entity.pdbx_number_of_molecules 2 _entity.pdbx_parent_entity_id . _entity.pdbx_mutation ? _entity.pdbx_fragment ? _entity.pdbx_ec ? # _cell.angle_alpha 90 _cell.angle_beta 96.67 _cell.angle_gamma 90 _cell.entry_id 6TC1 _cell.length_a 63.02 _cell.length_b 89.72 _cell.length_c 61.53 _cell.Z_PDB 4 _cell.pdbx_unique_axis ? # _symmetry.entry_id 6TC1 _symmetry.cell_setting ? _symmetry.Int_Tables_number 5 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'C 1 2 1' # _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,F,G _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 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 ? 3 C N N ? 3 D N N # _chem_comp.formula 'C2 H6 O S' _chem_comp.formula_weight 78.133 _chem_comp.id DMS _chem_comp.mon_nstd_flag . _chem_comp.name 'DIMETHYL SULFOXIDE' _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 S O DMS doub 83 n n S C1 DMS sing 84 n n S C2 DMS sing 85 n n C1 H11 DMS sing 86 n n C1 H12 DMS sing 87 n n C1 H13 DMS sing 88 n n C2 H21 DMS sing 89 n n C2 H22 DMS sing 90 n n C2 H23 DMS sing 91 n n # _atom_sites.entry_id 6TC1 _atom_sites.fract_transf_matrix[1][1] 0.015868 _atom_sites.fract_transf_matrix[1][2] 0 _atom_sites.fract_transf_matrix[1][3] 0.001856 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.011146 _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] 0.016363 _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 C 3 DMS A 1 201 3 DMS DMS . D 3 DMS A 1 202 4 DMS DMS . E 4 MZW B 1 201 1 MZW LIG . F 5 HOH A 1 301 49 HOH HOH . F 5 HOH A 2 302 136 HOH HOH . F 5 HOH A 3 303 37 HOH HOH . F 5 HOH A 4 304 297 HOH HOH . F 5 HOH A 5 305 196 HOH HOH . F 5 HOH A 6 306 23 HOH HOH . F 5 HOH A 7 307 1 HOH HOH . F 5 HOH A 8 308 197 HOH HOH . F 5 HOH A 9 309 215 HOH HOH . F 5 HOH A 10 310 105 HOH HOH . F 5 HOH A 11 311 57 HOH HOH . F 5 HOH A 12 312 298 HOH HOH . F 5 HOH A 13 313 169 HOH HOH . F 5 HOH A 14 314 149 HOH HOH . F 5 HOH A 15 315 198 HOH HOH . F 5 HOH A 16 316 21 HOH HOH . F 5 HOH A 17 317 82 HOH HOH . F 5 HOH A 18 318 38 HOH HOH . F 5 HOH A 19 319 159 HOH HOH . F 5 HOH A 20 320 254 HOH HOH . F 5 HOH A 21 321 79 HOH HOH . F 5 HOH A 22 322 74 HOH HOH . F 5 HOH A 23 323 206 HOH HOH . F 5 HOH A 24 324 97 HOH HOH . F 5 HOH A 25 325 59 HOH HOH . F 5 HOH A 26 326 50 HOH HOH . F 5 HOH A 27 327 116 HOH HOH . F 5 HOH A 28 328 213 HOH HOH . F 5 HOH A 29 329 155 HOH HOH . F 5 HOH A 30 330 5 HOH HOH . F 5 HOH A 31 331 220 HOH HOH . F 5 HOH A 32 332 187 HOH HOH . F 5 HOH A 33 333 90 HOH HOH . F 5 HOH A 34 334 177 HOH HOH . F 5 HOH A 35 335 118 HOH HOH . F 5 HOH A 36 336 249 HOH HOH . F 5 HOH A 37 337 146 HOH HOH . F 5 HOH A 38 338 66 HOH HOH . F 5 HOH A 39 339 277 HOH HOH . F 5 HOH A 40 340 107 HOH HOH . F 5 HOH A 41 341 165 HOH HOH . F 5 HOH A 42 342 108 HOH HOH . F 5 HOH A 43 343 172 HOH HOH . F 5 HOH A 44 344 230 HOH HOH . F 5 HOH A 45 345 54 HOH HOH . F 5 HOH A 46 346 75 HOH HOH . F 5 HOH A 47 347 153 HOH HOH . F 5 HOH A 48 348 71 HOH HOH . F 5 HOH A 49 349 203 HOH HOH . F 5 HOH A 50 350 104 HOH HOH . F 5 HOH A 51 351 121 HOH HOH . F 5 HOH A 52 352 103 HOH HOH . F 5 HOH A 53 353 204 HOH HOH . F 5 HOH A 54 354 30 HOH HOH . F 5 HOH A 55 355 72 HOH HOH . F 5 HOH A 56 356 188 HOH HOH . F 5 HOH A 57 357 68 HOH HOH . F 5 HOH A 58 358 195 HOH HOH . F 5 HOH A 59 359 207 HOH HOH . F 5 HOH A 60 360 13 HOH HOH . F 5 HOH A 61 361 84 HOH HOH . F 5 HOH A 62 362 150 HOH HOH . F 5 HOH A 63 363 152 HOH HOH . F 5 HOH A 64 364 80 HOH HOH . F 5 HOH A 65 365 211 HOH HOH . F 5 HOH A 66 366 89 HOH HOH . F 5 HOH A 67 367 91 HOH HOH . F 5 HOH A 68 368 313 HOH HOH . F 5 HOH A 69 369 87 HOH HOH . F 5 HOH A 70 370 70 HOH HOH . F 5 HOH A 71 371 81 HOH HOH . F 5 HOH A 72 372 135 HOH HOH . F 5 HOH A 73 373 95 HOH HOH . F 5 HOH A 74 374 176 HOH HOH . F 5 HOH A 75 375 328 HOH HOH . F 5 HOH A 76 376 73 HOH HOH . F 5 HOH A 77 377 168 HOH HOH . F 5 HOH A 78 378 130 HOH HOH . F 5 HOH A 79 379 11 HOH HOH . F 5 HOH A 80 380 17 HOH HOH . F 5 HOH A 81 381 201 HOH HOH . F 5 HOH A 82 382 309 HOH HOH . F 5 HOH A 83 383 250 HOH HOH . F 5 HOH A 84 384 228 HOH HOH . F 5 HOH A 85 385 175 HOH HOH . F 5 HOH A 86 386 278 HOH HOH . F 5 HOH A 87 387 247 HOH HOH . F 5 HOH A 88 388 133 HOH HOH . F 5 HOH A 89 389 142 HOH HOH . F 5 HOH A 90 390 251 HOH HOH . F 5 HOH A 91 391 141 HOH HOH . F 5 HOH A 92 392 255 HOH HOH . F 5 HOH A 93 393 260 HOH HOH . F 5 HOH A 94 394 4 HOH HOH . F 5 HOH A 95 395 226 HOH HOH . F 5 HOH A 96 396 125 HOH HOH . F 5 HOH A 97 397 225 HOH HOH . F 5 HOH A 98 398 289 HOH HOH . F 5 HOH A 99 399 6 HOH HOH . F 5 HOH A 100 400 3 HOH HOH . F 5 HOH A 101 401 287 HOH HOH . F 5 HOH A 102 402 8 HOH HOH . F 5 HOH A 103 403 334 HOH HOH . F 5 HOH A 104 404 35 HOH HOH . F 5 HOH A 105 405 241 HOH HOH . F 5 HOH A 106 406 12 HOH HOH . F 5 HOH A 107 407 285 HOH HOH . F 5 HOH A 108 408 51 HOH HOH . F 5 HOH A 109 409 218 HOH HOH . F 5 HOH A 110 410 210 HOH HOH . F 5 HOH A 111 411 231 HOH HOH . F 5 HOH A 112 412 314 HOH HOH . F 5 HOH A 113 413 229 HOH HOH . F 5 HOH A 114 414 319 HOH HOH . F 5 HOH A 115 415 19 HOH HOH . F 5 HOH A 116 416 140 HOH HOH . F 5 HOH A 117 417 256 HOH HOH . F 5 HOH A 118 418 20 HOH HOH . F 5 HOH A 119 419 219 HOH HOH . F 5 HOH A 120 420 246 HOH HOH . F 5 HOH A 121 421 236 HOH HOH . F 5 HOH A 122 422 208 HOH HOH . F 5 HOH A 123 423 221 HOH HOH . F 5 HOH A 124 424 212 HOH HOH . F 5 HOH A 125 425 242 HOH HOH . F 5 HOH A 126 426 252 HOH HOH . F 5 HOH A 127 427 324 HOH HOH . F 5 HOH A 128 428 205 HOH HOH . F 5 HOH A 129 429 186 HOH HOH . F 5 HOH A 130 430 154 HOH HOH . F 5 HOH A 131 431 31 HOH HOH . F 5 HOH A 132 432 32 HOH HOH . F 5 HOH A 133 433 282 HOH HOH . F 5 HOH A 134 434 331 HOH HOH . F 5 HOH A 135 435 36 HOH HOH . F 5 HOH A 136 436 259 HOH HOH . F 5 HOH A 137 437 183 HOH HOH . F 5 HOH A 138 438 288 HOH HOH . F 5 HOH A 139 439 290 HOH HOH . F 5 HOH A 140 440 193 HOH HOH . F 5 HOH A 141 441 245 HOH HOH . F 5 HOH A 142 442 243 HOH HOH . F 5 HOH A 143 443 115 HOH HOH . F 5 HOH A 144 444 164 HOH HOH . F 5 HOH A 145 445 27 HOH HOH . F 5 HOH A 146 446 239 HOH HOH . F 5 HOH A 147 447 248 HOH HOH . F 5 HOH A 148 448 224 HOH HOH . F 5 HOH A 149 449 24 HOH HOH . F 5 HOH A 150 450 294 HOH HOH . F 5 HOH A 151 451 244 HOH HOH . F 5 HOH A 152 452 39 HOH HOH . F 5 HOH A 153 453 322 HOH HOH . F 5 HOH A 154 454 44 HOH HOH . F 5 HOH A 155 455 46 HOH HOH . F 5 HOH A 156 456 238 HOH HOH . F 5 HOH A 157 457 291 HOH HOH . F 5 HOH A 158 458 333 HOH HOH . F 5 HOH A 159 459 295 HOH HOH . F 5 HOH A 160 460 321 HOH HOH . F 5 HOH A 161 461 296 HOH HOH . F 5 HOH A 162 462 286 HOH HOH . F 5 HOH A 163 463 293 HOH HOH . F 5 HOH A 164 464 283 HOH HOH . F 5 HOH A 165 465 284 HOH HOH . F 5 HOH A 166 466 318 HOH HOH . F 5 HOH A 167 467 253 HOH HOH . F 5 HOH A 168 468 320 HOH HOH . F 5 HOH A 169 469 276 HOH HOH . F 5 HOH A 170 470 53 HOH HOH . F 5 HOH A 171 471 315 HOH HOH . F 5 HOH A 172 472 292 HOH HOH . F 5 HOH A 173 473 258 HOH HOH . F 5 HOH A 174 474 330 HOH HOH . F 5 HOH A 175 475 240 HOH HOH . F 5 HOH A 176 476 237 HOH HOH . G 5 HOH B 1 301 10 HOH HOH . G 5 HOH B 2 302 160 HOH HOH . G 5 HOH B 3 303 147 HOH HOH . G 5 HOH B 4 304 111 HOH HOH . G 5 HOH B 5 305 98 HOH HOH . G 5 HOH B 6 306 131 HOH HOH . G 5 HOH B 7 307 306 HOH HOH . G 5 HOH B 8 308 29 HOH HOH . G 5 HOH B 9 309 56 HOH HOH . G 5 HOH B 10 310 114 HOH HOH . G 5 HOH B 11 311 7 HOH HOH . G 5 HOH B 12 312 170 HOH HOH . G 5 HOH B 13 313 93 HOH HOH . G 5 HOH B 14 314 167 HOH HOH . G 5 HOH B 15 315 199 HOH HOH . G 5 HOH B 16 316 109 HOH HOH . G 5 HOH B 17 317 15 HOH HOH . G 5 HOH B 18 318 200 HOH HOH . G 5 HOH B 19 319 138 HOH HOH . G 5 HOH B 20 320 143 HOH HOH . G 5 HOH B 21 321 76 HOH HOH . G 5 HOH B 22 322 65 HOH HOH . G 5 HOH B 23 323 58 HOH HOH . G 5 HOH B 24 324 128 HOH HOH . G 5 HOH B 25 325 100 HOH HOH . G 5 HOH B 26 326 69 HOH HOH . G 5 HOH B 27 327 156 HOH HOH . G 5 HOH B 28 328 171 HOH HOH . G 5 HOH B 29 329 217 HOH HOH . G 5 HOH B 30 330 110 HOH HOH . G 5 HOH B 31 331 62 HOH HOH . G 5 HOH B 32 332 145 HOH HOH . G 5 HOH B 33 333 106 HOH HOH . G 5 HOH B 34 334 78 HOH HOH . G 5 HOH B 35 335 14 HOH HOH . G 5 HOH B 36 336 83 HOH HOH . G 5 HOH B 37 337 209 HOH HOH . G 5 HOH B 38 338 134 HOH HOH . G 5 HOH B 39 339 161 HOH HOH . G 5 HOH B 40 340 16 HOH HOH . G 5 HOH B 41 341 85 HOH HOH . G 5 HOH B 42 342 191 HOH HOH . G 5 HOH B 43 343 144 HOH HOH . G 5 HOH B 44 344 124 HOH HOH . G 5 HOH B 45 345 137 HOH HOH . G 5 HOH B 46 346 96 HOH HOH . G 5 HOH B 47 347 55 HOH HOH . G 5 HOH B 48 348 61 HOH HOH . G 5 HOH B 49 349 101 HOH HOH . G 5 HOH B 50 350 126 HOH HOH . G 5 HOH B 51 351 88 HOH HOH . G 5 HOH B 52 352 257 HOH HOH . G 5 HOH B 53 353 60 HOH HOH . G 5 HOH B 54 354 157 HOH HOH . G 5 HOH B 55 355 202 HOH HOH . G 5 HOH B 56 356 163 HOH HOH . G 5 HOH B 57 357 112 HOH HOH . G 5 HOH B 58 358 102 HOH HOH . G 5 HOH B 59 359 139 HOH HOH . G 5 HOH B 60 360 181 HOH HOH . G 5 HOH B 61 361 166 HOH HOH . G 5 HOH B 62 362 94 HOH HOH . G 5 HOH B 63 363 265 HOH HOH . G 5 HOH B 64 364 92 HOH HOH . G 5 HOH B 65 365 301 HOH HOH . G 5 HOH B 66 366 9 HOH HOH . G 5 HOH B 67 367 77 HOH HOH . G 5 HOH B 68 368 22 HOH HOH . G 5 HOH B 69 369 317 HOH HOH . G 5 HOH B 70 370 122 HOH HOH . G 5 HOH B 71 371 151 HOH HOH . G 5 HOH B 72 372 148 HOH HOH . G 5 HOH B 73 373 117 HOH HOH . G 5 HOH B 74 374 174 HOH HOH . G 5 HOH B 75 375 325 HOH HOH . G 5 HOH B 76 376 2 HOH HOH . G 5 HOH B 77 377 185 HOH HOH . G 5 HOH B 78 378 48 HOH HOH . G 5 HOH B 79 379 184 HOH HOH . G 5 HOH B 80 380 158 HOH HOH . G 5 HOH B 81 381 120 HOH HOH . G 5 HOH B 82 382 99 HOH HOH . G 5 HOH B 83 383 235 HOH HOH . G 5 HOH B 84 384 64 HOH HOH . G 5 HOH B 85 385 178 HOH HOH . G 5 HOH B 86 386 268 HOH HOH . G 5 HOH B 87 387 307 HOH HOH . G 5 HOH B 88 388 127 HOH HOH . G 5 HOH B 89 389 119 HOH HOH . G 5 HOH B 90 390 194 HOH HOH . G 5 HOH B 91 391 162 HOH HOH . G 5 HOH B 92 392 281 HOH HOH . G 5 HOH B 93 393 86 HOH HOH . G 5 HOH B 94 394 269 HOH HOH . G 5 HOH B 95 395 34 HOH HOH . G 5 HOH B 96 396 63 HOH HOH . G 5 HOH B 97 397 41 HOH HOH . G 5 HOH B 98 398 271 HOH HOH . G 5 HOH B 99 399 113 HOH HOH . G 5 HOH B 100 400 189 HOH HOH . G 5 HOH B 101 401 28 HOH HOH . G 5 HOH B 102 402 123 HOH HOH . G 5 HOH B 103 403 263 HOH HOH . G 5 HOH B 104 404 47 HOH HOH . G 5 HOH B 105 405 262 HOH HOH . G 5 HOH B 106 406 132 HOH HOH . G 5 HOH B 107 407 179 HOH HOH . G 5 HOH B 108 408 67 HOH HOH . G 5 HOH B 109 409 299 HOH HOH . G 5 HOH B 110 410 129 HOH HOH . G 5 HOH B 111 411 43 HOH HOH . G 5 HOH B 112 412 222 HOH HOH . G 5 HOH B 113 413 267 HOH HOH . G 5 HOH B 114 414 233 HOH HOH . G 5 HOH B 115 415 261 HOH HOH . G 5 HOH B 116 416 40 HOH HOH . G 5 HOH B 117 417 302 HOH HOH . G 5 HOH B 118 418 26 HOH HOH . G 5 HOH B 119 419 190 HOH HOH . G 5 HOH B 120 420 327 HOH HOH . G 5 HOH B 121 421 52 HOH HOH . G 5 HOH B 122 422 264 HOH HOH . G 5 HOH B 123 423 323 HOH HOH . G 5 HOH B 124 424 311 HOH HOH . G 5 HOH B 125 425 266 HOH HOH . G 5 HOH B 126 426 33 HOH HOH . G 5 HOH B 127 427 223 HOH HOH . G 5 HOH B 128 428 216 HOH HOH . G 5 HOH B 129 429 310 HOH HOH . G 5 HOH B 130 430 274 HOH HOH . G 5 HOH B 131 431 227 HOH HOH . G 5 HOH B 132 432 182 HOH HOH . G 5 HOH B 133 433 25 HOH HOH . G 5 HOH B 134 434 308 HOH HOH . G 5 HOH B 135 435 312 HOH HOH . G 5 HOH B 136 436 304 HOH HOH . G 5 HOH B 137 437 326 HOH HOH . G 5 HOH B 138 438 303 HOH HOH . G 5 HOH B 139 439 180 HOH HOH . G 5 HOH B 140 440 270 HOH HOH . G 5 HOH B 141 441 272 HOH HOH . G 5 HOH B 142 442 192 HOH HOH . G 5 HOH B 143 443 335 HOH HOH . G 5 HOH B 144 444 42 HOH HOH . G 5 HOH B 145 445 18 HOH HOH . G 5 HOH B 146 446 173 HOH HOH . G 5 HOH B 147 447 329 HOH HOH . G 5 HOH B 148 448 336 HOH HOH . G 5 HOH B 149 449 214 HOH HOH . G 5 HOH B 150 450 45 HOH HOH . G 5 HOH B 151 451 316 HOH HOH . G 5 HOH B 152 452 275 HOH HOH . G 5 HOH B 153 453 305 HOH HOH . G 5 HOH B 154 454 273 HOH HOH . G 5 HOH B 155 455 279 HOH HOH . G 5 HOH B 156 456 280 HOH HOH . G 5 HOH B 157 457 337 HOH HOH . G 5 HOH B 158 458 300 HOH HOH . G 5 HOH B 159 459 234 HOH HOH . G 5 HOH B 160 460 332 HOH HOH . G 5 HOH B 161 461 232 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 S S DMS . . . D 3 -19.036 -14.486 90.039 1 68.77 ? S DMS 202 A 1 HETATM 2 O O DMS . . . D 3 -20.004 -13.309 89.966 1 67.12 ? O DMS 202 A 1 HETATM 3 C C1 DMS . . . D 3 -17.57 -13.961 89.168 1 80.38 ? C1 DMS 202 A 1 HETATM 4 C C2 DMS . . . D 3 -18.331 -14.505 91.649 1 43.66 ? C2 DMS 202 A 1 # _model_server_stats.io_time_ms 13 _model_server_stats.parse_time_ms 19 _model_server_stats.create_model_time_ms 5 _model_server_stats.query_time_ms 278 _model_server_stats.encode_time_ms 4 _model_server_stats.element_count 4 #