data_7H31 # _model_server_result.job_id SM9XZ4WeqQ1dmURCwhCLAA _model_server_result.datetime_utc '2024-10-10 08:22:54' _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 7h31 # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"B","auth_seq_id":201}' # _entry.id 7H31 # _exptl.entry_id 7H31 _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 208.26 _entity.id 2 _entity.src_method man _entity.type non-polymer _entity.pdbx_description N-{[(4R)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}propanamide _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 95.26 _cell.angle_gamma 90 _cell.entry_id 7H31 _cell.length_a 86.62 _cell.length_b 56.42 _cell.length_c 32.55 _cell.Z_PDB 4 _cell.pdbx_unique_axis ? # _symmetry.entry_id 7H31 _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 monomeric _pdbx_struct_assembly.oligomeric_count 1 _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,H,I,J _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 # _struct_asym.details ? _struct_asym.entity_id 2 _struct_asym.id B _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 SG CYS 56 A CYS 56 1_555 C ZN ZN . A ZN 202 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.385 ? metalc ? metalc2 A SG CYS 58 A CYS 58 1_555 C ZN ZN . A ZN 202 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.292 ? metalc ? metalc3 A SG CYS 116 A CYS 116 1_555 C ZN ZN . A ZN 202 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.279 ? metalc ? metalc4 A ND1 HIS 118 A HIS 118 1_555 C ZN ZN . A ZN 202 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.032 ? # _chem_comp.formula 'C10 H16 N4 O' _chem_comp.formula_weight 208.26 _chem_comp.id A1AM1 _chem_comp.mon_nstd_flag . _chem_comp.name N-{[(4R)-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-3-yl]methyl}propanamide _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 C C1 A1AM1 sing 1 n n C1 C2 A1AM1 sing 2 n n C2 O A1AM1 doub 3 n n N C2 A1AM1 sing 4 n n C3 N A1AM1 sing 5 n n C4 C3 A1AM1 sing 6 n n C4 N1 A1AM1 doub 7 n y N1 N2 A1AM1 sing 8 n y N2 C5 A1AM1 doub 9 n y C5 C6 A1AM1 sing 10 n n C6 C7 A1AM1 sing 11 n n C7 C8 A1AM1 sing 12 n n C8 C9 A1AM1 sing 13 n n C9 N3 A1AM1 sing 14 n n N3 C4 A1AM1 sing 15 n y C5 N3 A1AM1 sing 16 n y C6 H9 A1AM1 sing 17 n n C6 H8 A1AM1 sing 18 n n C7 H10 A1AM1 sing 19 n n C7 H11 A1AM1 sing 20 n n C8 H13 A1AM1 sing 21 n n C8 H12 A1AM1 sing 22 n n N H5 A1AM1 sing 23 n n C H A1AM1 sing 24 n n C H2 A1AM1 sing 25 n n C H1 A1AM1 sing 26 n n C1 H4 A1AM1 sing 27 n n C1 H3 A1AM1 sing 28 n n C3 H6 A1AM1 sing 29 n n C3 H7 A1AM1 sing 30 n n C9 H15 A1AM1 sing 31 n n C9 H14 A1AM1 sing 32 n n # _atom_sites.entry_id 7H31 _atom_sites.fract_transf_matrix[1][1] 0.011545 _atom_sites.fract_transf_matrix[1][2] 0 _atom_sites.fract_transf_matrix[1][3] 0.001063 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.017724 _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] 0.030852 _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 A1AM1 A 1 201 147 A1AM1 LIG . C 3 ZN A 1 202 1 ZN ZN . D 4 DMS A 1 203 -1 DMS DMS . E 4 DMS A 1 204 0 DMS DMS . F 4 DMS A 1 205 1 DMS DMS . G 4 DMS A 1 206 3 DMS DMS . H 4 DMS A 1 207 6 DMS DMS . I 5 SO4 A 1 208 1 SO4 SO4 . J 6 HOH A 1 301 233 HOH HOH . J 6 HOH A 2 302 205 HOH HOH . J 6 HOH A 3 303 52 HOH HOH . J 6 HOH A 4 304 227 HOH HOH . J 6 HOH A 5 305 137 HOH HOH . J 6 HOH A 6 306 223 HOH HOH . J 6 HOH A 7 307 238 HOH HOH . J 6 HOH A 8 308 181 HOH HOH . J 6 HOH A 9 309 219 HOH HOH . J 6 HOH A 10 310 34 HOH HOH . J 6 HOH A 11 311 147 HOH HOH . J 6 HOH A 12 312 107 HOH HOH . J 6 HOH A 13 313 180 HOH HOH . J 6 HOH A 14 314 103 HOH HOH . J 6 HOH A 15 315 224 HOH HOH . J 6 HOH A 16 316 3 HOH HOH . J 6 HOH A 17 317 215 HOH HOH . J 6 HOH A 18 318 152 HOH HOH . J 6 HOH A 19 319 217 HOH HOH . J 6 HOH A 20 320 251 HOH HOH . J 6 HOH A 21 321 182 HOH HOH . J 6 HOH A 22 322 131 HOH HOH . J 6 HOH A 23 323 30 HOH HOH . J 6 HOH A 24 324 108 HOH HOH . J 6 HOH A 25 325 72 HOH HOH . J 6 HOH A 26 326 46 HOH HOH . J 6 HOH A 27 327 249 HOH HOH . J 6 HOH A 28 328 222 HOH HOH . J 6 HOH A 29 329 59 HOH HOH . J 6 HOH A 30 330 141 HOH HOH . J 6 HOH A 31 331 186 HOH HOH . J 6 HOH A 32 332 191 HOH HOH . J 6 HOH A 33 333 193 HOH HOH . J 6 HOH A 34 334 133 HOH HOH . J 6 HOH A 35 335 4 HOH HOH . J 6 HOH A 36 336 109 HOH HOH . J 6 HOH A 37 337 16 HOH HOH . J 6 HOH A 38 338 214 HOH HOH . J 6 HOH A 39 339 116 HOH HOH . J 6 HOH A 40 340 60 HOH HOH . J 6 HOH A 41 341 250 HOH HOH . J 6 HOH A 42 342 7 HOH HOH . J 6 HOH A 43 343 247 HOH HOH . J 6 HOH A 44 344 148 HOH HOH . J 6 HOH A 45 345 33 HOH HOH . J 6 HOH A 46 346 70 HOH HOH . J 6 HOH A 47 347 173 HOH HOH . J 6 HOH A 48 348 77 HOH HOH . J 6 HOH A 49 349 90 HOH HOH . J 6 HOH A 50 350 104 HOH HOH . J 6 HOH A 51 351 81 HOH HOH . J 6 HOH A 52 352 211 HOH HOH . J 6 HOH A 53 353 14 HOH HOH . J 6 HOH A 54 354 2 HOH HOH . J 6 HOH A 55 355 96 HOH HOH . J 6 HOH A 56 356 161 HOH HOH . J 6 HOH A 57 357 95 HOH HOH . J 6 HOH A 58 358 184 HOH HOH . J 6 HOH A 59 359 39 HOH HOH . J 6 HOH A 60 360 29 HOH HOH . J 6 HOH A 61 361 26 HOH HOH . J 6 HOH A 62 362 24 HOH HOH . J 6 HOH A 63 363 88 HOH HOH . J 6 HOH A 64 364 42 HOH HOH . J 6 HOH A 65 365 158 HOH HOH . J 6 HOH A 66 366 35 HOH HOH . J 6 HOH A 67 367 168 HOH HOH . J 6 HOH A 68 368 248 HOH HOH . J 6 HOH A 69 369 179 HOH HOH . J 6 HOH A 70 370 68 HOH HOH . J 6 HOH A 71 371 212 HOH HOH . J 6 HOH A 72 372 40 HOH HOH . J 6 HOH A 73 373 138 HOH HOH . J 6 HOH A 74 374 28 HOH HOH . J 6 HOH A 75 375 53 HOH HOH . J 6 HOH A 76 376 9 HOH HOH . J 6 HOH A 77 377 178 HOH HOH . J 6 HOH A 78 378 167 HOH HOH . J 6 HOH A 79 379 216 HOH HOH . J 6 HOH A 80 380 195 HOH HOH . J 6 HOH A 81 381 37 HOH HOH . J 6 HOH A 82 382 17 HOH HOH . J 6 HOH A 83 383 55 HOH HOH . J 6 HOH A 84 384 71 HOH HOH . J 6 HOH A 85 385 84 HOH HOH . J 6 HOH A 86 386 45 HOH HOH . J 6 HOH A 87 387 43 HOH HOH . J 6 HOH A 88 388 79 HOH HOH . J 6 HOH A 89 389 25 HOH HOH . J 6 HOH A 90 390 21 HOH HOH . J 6 HOH A 91 391 106 HOH HOH . J 6 HOH A 92 392 78 HOH HOH . J 6 HOH A 93 393 54 HOH HOH . J 6 HOH A 94 394 67 HOH HOH . J 6 HOH A 95 395 8 HOH HOH . J 6 HOH A 96 396 20 HOH HOH . J 6 HOH A 97 397 15 HOH HOH . J 6 HOH A 98 398 13 HOH HOH . J 6 HOH A 99 399 150 HOH HOH . J 6 HOH A 100 400 27 HOH HOH . J 6 HOH A 101 401 50 HOH HOH . J 6 HOH A 102 402 97 HOH HOH . J 6 HOH A 103 403 220 HOH HOH . J 6 HOH A 104 404 169 HOH HOH . J 6 HOH A 105 405 174 HOH HOH . J 6 HOH A 106 406 177 HOH HOH . J 6 HOH A 107 407 118 HOH HOH . J 6 HOH A 108 408 12 HOH HOH . J 6 HOH A 109 409 132 HOH HOH . J 6 HOH A 110 410 176 HOH HOH . J 6 HOH A 111 411 63 HOH HOH . J 6 HOH A 112 412 113 HOH HOH . J 6 HOH A 113 413 111 HOH HOH . J 6 HOH A 114 414 64 HOH HOH . J 6 HOH A 115 415 204 HOH HOH . J 6 HOH A 116 416 47 HOH HOH . J 6 HOH A 117 417 62 HOH HOH . J 6 HOH A 118 418 155 HOH HOH . J 6 HOH A 119 419 144 HOH HOH . J 6 HOH A 120 420 66 HOH HOH . J 6 HOH A 121 421 61 HOH HOH . J 6 HOH A 122 422 210 HOH HOH . J 6 HOH A 123 423 197 HOH HOH . J 6 HOH A 124 424 58 HOH HOH . J 6 HOH A 125 425 19 HOH HOH . J 6 HOH A 126 426 57 HOH HOH . J 6 HOH A 127 427 112 HOH HOH . J 6 HOH A 128 428 49 HOH HOH . J 6 HOH A 129 429 237 HOH HOH . J 6 HOH A 130 430 91 HOH HOH . J 6 HOH A 131 431 126 HOH HOH . J 6 HOH A 132 432 31 HOH HOH . J 6 HOH A 133 433 76 HOH HOH . J 6 HOH A 134 434 38 HOH HOH . J 6 HOH A 135 435 48 HOH HOH . J 6 HOH A 136 436 105 HOH HOH . J 6 HOH A 137 437 146 HOH HOH . J 6 HOH A 138 438 93 HOH HOH . J 6 HOH A 139 439 183 HOH HOH . J 6 HOH A 140 440 120 HOH HOH . J 6 HOH A 141 441 80 HOH HOH . J 6 HOH A 142 442 89 HOH HOH . J 6 HOH A 143 443 11 HOH HOH . J 6 HOH A 144 444 198 HOH HOH . J 6 HOH A 145 445 18 HOH HOH . J 6 HOH A 146 446 5 HOH HOH . J 6 HOH A 147 447 10 HOH HOH . J 6 HOH A 148 448 51 HOH HOH . J 6 HOH A 149 449 119 HOH HOH . J 6 HOH A 150 450 203 HOH HOH . J 6 HOH A 151 451 82 HOH HOH . J 6 HOH A 152 452 69 HOH HOH . J 6 HOH A 153 453 192 HOH HOH . J 6 HOH A 154 454 124 HOH HOH . J 6 HOH A 155 455 170 HOH HOH . J 6 HOH A 156 456 123 HOH HOH . J 6 HOH A 157 457 110 HOH HOH . J 6 HOH A 158 458 23 HOH HOH . J 6 HOH A 159 459 22 HOH HOH . J 6 HOH A 160 460 156 HOH HOH . J 6 HOH A 161 461 201 HOH HOH . J 6 HOH A 162 462 6 HOH HOH . J 6 HOH A 163 463 226 HOH HOH . J 6 HOH A 164 464 101 HOH HOH . J 6 HOH A 165 465 102 HOH HOH . J 6 HOH A 166 466 159 HOH HOH . J 6 HOH A 167 467 171 HOH HOH . J 6 HOH A 168 468 230 HOH HOH . J 6 HOH A 169 469 128 HOH HOH . J 6 HOH A 170 470 74 HOH HOH . J 6 HOH A 171 471 218 HOH HOH . J 6 HOH A 172 472 200 HOH HOH . J 6 HOH A 173 473 234 HOH HOH . J 6 HOH A 174 474 121 HOH HOH . J 6 HOH A 175 475 135 HOH HOH . J 6 HOH A 176 476 65 HOH HOH . J 6 HOH A 177 477 136 HOH HOH . J 6 HOH A 178 478 246 HOH HOH . J 6 HOH A 179 479 154 HOH HOH . J 6 HOH A 180 480 232 HOH HOH . J 6 HOH A 181 481 41 HOH HOH . J 6 HOH A 182 482 213 HOH HOH . J 6 HOH A 183 483 175 HOH HOH . J 6 HOH A 184 484 162 HOH HOH . J 6 HOH A 185 485 245 HOH HOH . J 6 HOH A 186 486 117 HOH HOH . J 6 HOH A 187 487 228 HOH HOH . J 6 HOH A 188 488 190 HOH HOH . J 6 HOH A 189 489 87 HOH HOH . J 6 HOH A 190 490 99 HOH HOH . J 6 HOH A 191 491 231 HOH HOH . J 6 HOH A 192 492 98 HOH HOH . J 6 HOH A 193 493 134 HOH HOH . J 6 HOH A 194 494 127 HOH HOH . J 6 HOH A 195 495 239 HOH HOH . J 6 HOH A 196 496 189 HOH HOH . J 6 HOH A 197 497 163 HOH HOH . J 6 HOH A 198 498 172 HOH HOH . J 6 HOH A 199 499 86 HOH HOH . J 6 HOH A 200 500 225 HOH HOH . J 6 HOH A 201 501 157 HOH HOH . J 6 HOH A 202 502 83 HOH HOH . J 6 HOH A 203 503 32 HOH HOH . J 6 HOH A 204 504 122 HOH HOH . J 6 HOH A 205 505 207 HOH HOH . J 6 HOH A 206 506 140 HOH HOH . J 6 HOH A 207 507 85 HOH HOH . J 6 HOH A 208 508 185 HOH HOH . J 6 HOH A 209 509 151 HOH HOH . J 6 HOH A 210 510 165 HOH HOH . J 6 HOH A 211 511 73 HOH HOH . J 6 HOH A 212 512 235 HOH HOH . J 6 HOH A 213 513 202 HOH HOH . J 6 HOH A 214 514 209 HOH HOH . J 6 HOH A 215 515 129 HOH HOH . J 6 HOH A 216 516 56 HOH HOH . J 6 HOH A 217 517 199 HOH HOH . J 6 HOH A 218 518 221 HOH HOH . J 6 HOH A 219 519 164 HOH HOH . J 6 HOH A 220 520 142 HOH HOH . J 6 HOH A 221 521 114 HOH HOH . J 6 HOH A 222 522 187 HOH HOH . J 6 HOH A 223 523 208 HOH HOH . J 6 HOH A 224 524 206 HOH HOH . J 6 HOH A 225 525 236 HOH HOH . J 6 HOH A 226 526 153 HOH HOH . J 6 HOH A 227 527 75 HOH HOH . J 6 HOH A 228 528 160 HOH HOH . J 6 HOH A 229 529 92 HOH HOH . J 6 HOH A 230 530 125 HOH HOH . J 6 HOH A 231 531 243 HOH HOH . J 6 HOH A 232 532 242 HOH HOH . J 6 HOH A 233 533 244 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 N N1 A1AM1 . . . B 2 22.11 13.795 0.361 0.5 20 ? N1 A1AM1 201 A 1 HETATM 2 N N3 A1AM1 . . . B 2 23.704 12.668 1.296 0.5 20 ? N3 A1AM1 201 A 1 HETATM 3 C C4 A1AM1 . . . B 2 22.666 13.488 1.514 0.5 20 ? C4 A1AM1 201 A 1 HETATM 4 C C5 A1AM1 . . . B 2 23.659 12.396 0.013 0.5 20 ? C5 A1AM1 201 A 1 HETATM 5 C C6 A1AM1 . . . B 2 24.611 11.435 -0.559 0.5 20 ? C6 A1AM1 201 A 1 HETATM 6 C C7 A1AM1 . . . B 2 25.838 11.96 -0.07 0.5 20 ? C7 A1AM1 201 A 1 HETATM 7 C C8 A1AM1 . . . B 2 25.881 11.564 1.338 0.5 20 ? C8 A1AM1 201 A 1 HETATM 8 N N A1AM1 . . . B 2 20.942 14.737 2.559 0.5 20 ? N A1AM1 201 A 1 HETATM 9 C C A1AM1 . . . B 2 18.543 16.165 2.458 0.5 20 ? C A1AM1 201 A 1 HETATM 10 O O A1AM1 . . . B 2 19.836 12.864 2.319 0.5 20 ? O A1AM1 201 A 1 HETATM 11 C C1 A1AM1 . . . B 2 18.54 14.818 2.105 0.5 20 ? C1 A1AM1 201 A 1 HETATM 12 C C2 A1AM1 . . . B 2 19.811 14.045 2.351 0.5 20 ? C2 A1AM1 201 A 1 HETATM 13 C C3 A1AM1 . . . B 2 22.127 13.948 2.83 0.5 20 ? C3 A1AM1 201 A 1 HETATM 14 C C9 A1AM1 . . . B 2 24.854 12.302 2.113 0.5 20 ? C9 A1AM1 201 A 1 HETATM 15 N N2 A1AM1 . . . B 2 22.735 13.054 -0.593 0.5 20 ? N2 A1AM1 201 A 1 # _model_server_stats.io_time_ms 13 _model_server_stats.parse_time_ms 7 _model_server_stats.create_model_time_ms 2 _model_server_stats.query_time_ms 266 _model_server_stats.encode_time_ms 12 _model_server_stats.element_count 15 #