data_4Q78 # _model_server_result.job_id V8lLee3a3jwBTd9ey8F3Yg _model_server_result.datetime_utc '2025-07-07 17:15:44' _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 4q78 # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"C","auth_seq_id":302}' # _entry.id 4Q78 # _exptl.entry_id 4Q78 _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 241.259 _entity.id 3 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description 1-(sulfamoylamino)methyl-1,2-dicarba-closo-dodecaborane _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 104.36 _cell.angle_gamma 90 _cell.entry_id 4Q78 _cell.length_a 42.2 _cell.length_b 41.725 _cell.length_c 72.155 _cell.Z_PDB 2 _cell.pdbx_unique_axis ? # _symmetry.entry_id 4Q78 _symmetry.cell_setting ? _symmetry.Int_Tables_number 4 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 1 21 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 _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 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 NE2 HIS 92 A HIS 94 1_555 B ZN ZN . A ZN 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.042 ? metalc ? metalc2 A NE2 HIS 94 A HIS 96 1_555 B ZN ZN . A ZN 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.012 ? metalc ? metalc3 A ND1 HIS 117 A HIS 119 1_555 B ZN ZN . A ZN 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.043 ? metalc ? metalc4 A O GLN 134 A GLN 137 1_555 D HG MBO . A MBO 303 1_555 ? ? ? ? B ? ? ? ? ? ? ? 2.955 ? metalc ? metalc5 A O GLN 134 A GLN 137 1_555 D HG MBO . A MBO 303 1_555 ? ? ? ? A ? ? ? ? ? ? ? 3.065 ? metalc ? metalc6 A O GLU 202 A GLU 205 1_555 D HG MBO . A MBO 303 1_555 ? ? ? ? B ? ? ? ? ? ? ? 2.904 ? metalc ? metalc7 A O GLU 202 A GLU 205 1_555 E HG MBO . A MBO 304 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.867 ? metalc ? metalc8 A SG CYS 203 A CYS 206 1_555 E HG MBO . A MBO 304 1_555 ? A ? ? ? ? ? ? ? ? ? ? 2.763 ? metalc ? metalc9 B ZN ZN . A ZN 301 1_555 C N2 25X . A 25X 302 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 1.884 ? metalc ? metalc10 D HG MBO . A MBO 303 1_555 F O HOH . A HOH 507 1_555 ? A ? ? ? ? ? ? ? ? ? ? 2.718 ? metalc ? metalc11 D HG MBO . A MBO 303 1_555 F O HOH . A HOH 507 1_555 ? B ? ? ? ? ? ? ? ? ? ? 3.195 ? metalc ? metalc12 E HG MBO . A MBO 304 1_555 F O HOH . A HOH 507 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 3.008 ? # _chem_comp.formula 'C3 H5 B10 N2 O2 S' _chem_comp.formula_weight 241.259 _chem_comp.id 25X _chem_comp.mon_nstd_flag . _chem_comp.name 1-(sulfamoylamino)methyl-1,2-dicarba-closo-dodecaborane _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 O2 S 25X doub 1 n n S O1 25X doub 2 n n S N2 25X sing 3 n n S N1 25X sing 4 n n N1 C3 25X sing 5 n n C3 C1 25X sing 6 n n C1 B6 25X sing 7 n n C1 B5 25X sing 8 n n C1 B3 25X sing 9 n n C1 C2 25X sing 10 n n C1 B4 25X sing 11 n n B6 B5 25X sing 12 n n B6 C2 25X sing 13 n n B6 B7 25X sing 14 n n B6 B11 25X sing 15 n n B5 B4 25X sing 16 n n B5 B10 25X sing 17 n n B5 B11 25X sing 18 n n B3 C2 25X sing 19 n n B3 B4 25X sing 20 n n B3 B9 25X sing 21 n n B3 B8 25X sing 22 n n C2 B7 25X sing 23 n n C2 B8 25X sing 24 n n B7 B12 25X sing 25 n n B7 B11 25X sing 26 n n B7 B8 25X sing 27 n n B4 B10 25X sing 28 n n B4 B9 25X sing 29 n n B10 B12 25X sing 30 n n B10 B11 25X sing 31 n n B12 B9 25X sing 32 n n B12 B11 25X sing 33 n n B12 B8 25X sing 34 n n B9 B8 25X sing 35 n n B9 B10 25X sing 36 n n N2 H1 25X sing 37 n n N2 H2 25X sing 38 n n N1 H3 25X sing 39 n n C3 H4 25X sing 40 n n C3 H5 25X sing 41 n n # _atom_sites.entry_id 4Q78 _atom_sites.fract_transf_matrix[1][1] 0.023697 _atom_sites.fract_transf_matrix[1][2] 0 _atom_sites.fract_transf_matrix[1][3] 0.006067 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.023966 _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] 0.014306 _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 ZN A 1 301 301 ZN ZN . C 3 25X A 1 302 302 25X CIG . D 4 MBO A 1 303 1 MBO MBO . E 4 MBO A 1 304 2 MBO MBO . F 5 HOH A 1 401 1 HOH HOH . F 5 HOH A 2 402 2 HOH HOH . F 5 HOH A 3 403 3 HOH HOH . F 5 HOH A 4 404 4 HOH HOH . F 5 HOH A 5 405 5 HOH HOH . F 5 HOH A 6 406 6 HOH HOH . F 5 HOH A 7 407 7 HOH HOH . F 5 HOH A 8 408 8 HOH HOH . F 5 HOH A 9 409 9 HOH HOH . F 5 HOH A 10 410 10 HOH HOH . F 5 HOH A 11 411 11 HOH HOH . F 5 HOH A 12 412 12 HOH HOH . F 5 HOH A 13 413 13 HOH HOH . F 5 HOH A 14 414 14 HOH HOH . F 5 HOH A 15 415 15 HOH HOH . F 5 HOH A 16 416 16 HOH HOH . F 5 HOH A 17 417 17 HOH HOH . F 5 HOH A 18 418 18 HOH HOH . F 5 HOH A 19 419 19 HOH HOH . F 5 HOH A 20 420 20 HOH HOH . F 5 HOH A 21 421 21 HOH HOH . F 5 HOH A 22 422 22 HOH HOH . F 5 HOH A 23 423 23 HOH HOH . F 5 HOH A 24 424 24 HOH HOH . F 5 HOH A 25 425 25 HOH HOH . F 5 HOH A 26 426 26 HOH HOH . F 5 HOH A 27 427 27 HOH HOH . F 5 HOH A 28 428 28 HOH HOH . F 5 HOH A 29 429 29 HOH HOH . F 5 HOH A 30 430 30 HOH HOH . F 5 HOH A 31 431 31 HOH HOH . F 5 HOH A 32 432 32 HOH HOH . F 5 HOH A 33 433 33 HOH HOH . F 5 HOH A 34 434 34 HOH HOH . F 5 HOH A 35 435 35 HOH HOH . F 5 HOH A 36 436 36 HOH HOH . F 5 HOH A 37 437 37 HOH HOH . F 5 HOH A 38 438 38 HOH HOH . F 5 HOH A 39 439 39 HOH HOH . F 5 HOH A 40 440 40 HOH HOH . F 5 HOH A 41 441 41 HOH HOH . F 5 HOH A 42 442 42 HOH HOH . F 5 HOH A 43 443 43 HOH HOH . F 5 HOH A 44 444 44 HOH HOH . F 5 HOH A 45 445 45 HOH HOH . F 5 HOH A 46 446 46 HOH HOH . F 5 HOH A 47 447 47 HOH HOH . F 5 HOH A 48 448 48 HOH HOH . F 5 HOH A 49 449 49 HOH HOH . F 5 HOH A 50 450 50 HOH HOH . F 5 HOH A 51 451 51 HOH HOH . F 5 HOH A 52 452 52 HOH HOH . F 5 HOH A 53 453 53 HOH HOH . F 5 HOH A 54 454 54 HOH HOH . F 5 HOH A 55 455 55 HOH HOH . F 5 HOH A 56 456 56 HOH HOH . F 5 HOH A 57 457 57 HOH HOH . F 5 HOH A 58 458 58 HOH HOH . F 5 HOH A 59 459 59 HOH HOH . F 5 HOH A 60 460 60 HOH HOH . F 5 HOH A 61 461 61 HOH HOH . F 5 HOH A 62 462 62 HOH HOH . F 5 HOH A 63 463 63 HOH HOH . F 5 HOH A 64 464 64 HOH HOH . F 5 HOH A 65 465 65 HOH HOH . F 5 HOH A 66 466 66 HOH HOH . F 5 HOH A 67 467 67 HOH HOH . F 5 HOH A 68 468 68 HOH HOH . F 5 HOH A 69 469 69 HOH HOH . F 5 HOH A 70 470 70 HOH HOH . F 5 HOH A 71 471 71 HOH HOH . F 5 HOH A 72 472 72 HOH HOH . F 5 HOH A 73 473 73 HOH HOH . F 5 HOH A 74 474 74 HOH HOH . F 5 HOH A 75 475 75 HOH HOH . F 5 HOH A 76 476 76 HOH HOH . F 5 HOH A 77 477 77 HOH HOH . F 5 HOH A 78 478 78 HOH HOH . F 5 HOH A 79 479 79 HOH HOH . F 5 HOH A 80 480 80 HOH HOH . F 5 HOH A 81 481 81 HOH HOH . F 5 HOH A 82 482 82 HOH HOH . F 5 HOH A 83 483 83 HOH HOH . F 5 HOH A 84 484 84 HOH HOH . F 5 HOH A 85 485 85 HOH HOH . F 5 HOH A 86 486 86 HOH HOH . F 5 HOH A 87 487 87 HOH HOH . F 5 HOH A 88 488 88 HOH HOH . F 5 HOH A 89 489 89 HOH HOH . F 5 HOH A 90 490 90 HOH HOH . F 5 HOH A 91 491 91 HOH HOH . F 5 HOH A 92 492 92 HOH HOH . F 5 HOH A 93 493 93 HOH HOH . F 5 HOH A 94 494 94 HOH HOH . F 5 HOH A 95 495 95 HOH HOH . F 5 HOH A 96 496 96 HOH HOH . F 5 HOH A 97 497 97 HOH HOH . F 5 HOH A 98 498 98 HOH HOH . F 5 HOH A 99 499 99 HOH HOH . F 5 HOH A 100 500 100 HOH HOH . F 5 HOH A 101 501 101 HOH HOH . F 5 HOH A 102 502 102 HOH HOH . F 5 HOH A 103 503 103 HOH HOH . F 5 HOH A 104 504 104 HOH HOH . F 5 HOH A 105 505 105 HOH HOH . F 5 HOH A 106 506 106 HOH HOH . F 5 HOH A 107 507 107 HOH HOH . F 5 HOH A 108 508 108 HOH HOH . F 5 HOH A 109 509 109 HOH HOH . F 5 HOH A 110 510 110 HOH HOH . F 5 HOH A 111 511 111 HOH HOH . F 5 HOH A 112 512 112 HOH HOH . F 5 HOH A 113 513 113 HOH HOH . F 5 HOH A 114 514 114 HOH HOH . F 5 HOH A 115 515 115 HOH HOH . F 5 HOH A 116 516 116 HOH HOH . F 5 HOH A 117 517 117 HOH HOH . F 5 HOH A 118 518 118 HOH HOH . F 5 HOH A 119 519 119 HOH HOH . F 5 HOH A 120 520 120 HOH HOH . F 5 HOH A 121 521 121 HOH HOH . F 5 HOH A 122 522 122 HOH HOH . F 5 HOH A 123 523 123 HOH HOH . F 5 HOH A 124 524 124 HOH HOH . F 5 HOH A 125 525 125 HOH HOH . F 5 HOH A 126 526 126 HOH HOH . F 5 HOH A 127 527 127 HOH HOH . F 5 HOH A 128 528 128 HOH HOH . F 5 HOH A 129 529 129 HOH HOH . F 5 HOH A 130 530 130 HOH HOH . F 5 HOH A 131 531 131 HOH HOH . F 5 HOH A 132 532 132 HOH HOH . F 5 HOH A 133 533 133 HOH HOH . F 5 HOH A 134 534 134 HOH HOH . F 5 HOH A 135 535 135 HOH HOH . F 5 HOH A 136 536 136 HOH HOH . F 5 HOH A 137 537 137 HOH HOH . F 5 HOH A 138 538 138 HOH HOH . F 5 HOH A 139 539 139 HOH HOH . F 5 HOH A 140 540 140 HOH HOH . F 5 HOH A 141 541 141 HOH HOH . F 5 HOH A 142 542 142 HOH HOH . F 5 HOH A 143 543 143 HOH HOH . F 5 HOH A 144 544 144 HOH HOH . F 5 HOH A 145 545 145 HOH HOH . F 5 HOH A 146 546 146 HOH HOH . F 5 HOH A 147 547 147 HOH HOH . F 5 HOH A 148 548 148 HOH HOH . F 5 HOH A 149 549 149 HOH HOH . F 5 HOH A 150 550 150 HOH HOH . F 5 HOH A 151 551 151 HOH HOH . F 5 HOH A 152 552 152 HOH HOH . F 5 HOH A 153 553 153 HOH HOH . F 5 HOH A 154 554 154 HOH HOH . F 5 HOH A 155 555 155 HOH HOH . F 5 HOH A 156 556 156 HOH HOH . F 5 HOH A 157 557 157 HOH HOH . F 5 HOH A 158 558 158 HOH HOH . F 5 HOH A 159 559 159 HOH HOH . F 5 HOH A 160 560 160 HOH HOH . F 5 HOH A 161 561 161 HOH HOH . F 5 HOH A 162 562 162 HOH HOH . F 5 HOH A 163 563 163 HOH HOH . F 5 HOH A 164 564 164 HOH HOH . F 5 HOH A 165 565 165 HOH HOH . F 5 HOH A 166 566 166 HOH HOH . F 5 HOH A 167 567 167 HOH HOH . F 5 HOH A 168 568 168 HOH HOH . F 5 HOH A 169 569 169 HOH HOH . F 5 HOH A 170 570 170 HOH HOH . F 5 HOH A 171 571 171 HOH HOH . F 5 HOH A 172 572 172 HOH HOH . F 5 HOH A 173 573 173 HOH HOH . F 5 HOH A 174 574 174 HOH HOH . F 5 HOH A 175 575 175 HOH HOH . F 5 HOH A 176 576 176 HOH HOH . F 5 HOH A 177 577 177 HOH HOH . F 5 HOH A 178 578 178 HOH HOH . F 5 HOH A 179 579 179 HOH HOH . F 5 HOH A 180 580 180 HOH HOH . F 5 HOH A 181 581 181 HOH HOH . F 5 HOH A 182 582 182 HOH HOH . F 5 HOH A 183 583 183 HOH HOH . F 5 HOH A 184 584 184 HOH HOH . F 5 HOH A 185 585 185 HOH HOH . F 5 HOH A 186 586 186 HOH HOH . F 5 HOH A 187 587 187 HOH HOH . F 5 HOH A 188 588 188 HOH HOH . F 5 HOH A 189 589 189 HOH HOH . F 5 HOH A 190 590 190 HOH HOH . F 5 HOH A 191 591 191 HOH HOH . F 5 HOH A 192 592 192 HOH HOH . F 5 HOH A 193 593 193 HOH HOH . F 5 HOH A 194 594 194 HOH HOH . F 5 HOH A 195 595 195 HOH HOH . F 5 HOH A 196 596 196 HOH HOH . F 5 HOH A 197 597 197 HOH HOH . F 5 HOH A 198 598 198 HOH HOH . F 5 HOH A 199 599 199 HOH HOH . F 5 HOH A 200 600 200 HOH HOH . F 5 HOH A 201 601 201 HOH HOH . F 5 HOH A 202 602 202 HOH HOH . F 5 HOH A 203 603 203 HOH HOH . F 5 HOH A 204 604 204 HOH HOH . F 5 HOH A 205 605 205 HOH HOH . F 5 HOH A 206 606 206 HOH HOH . F 5 HOH A 207 607 207 HOH HOH . F 5 HOH A 208 608 208 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 O O2 25X . . . C 3 14.386 2.88 16.12 1 12.7 ? O2 25X 302 A 1 HETATM 2 S S 25X . . . C 3 15.727 2.477 16.417 1 12.55 ? S 25X 302 A 1 HETATM 3 O O1 25X . . . C 3 16.219 2.729 17.748 1 13.47 ? O1 25X 302 A 1 HETATM 4 N N2 25X . . . C 3 15.896 0.941 16.047 1 8.5 ? N2 25X 302 A 1 HETATM 5 N N1 25X . . . C 3 16.788 3.365 15.444 1 14.27 ? N1 25X 302 A 1 HETATM 6 C C3 25X . . . C 3 16.638 3.405 14.04 1 15.96 ? C3 25X 302 A 1 HETATM 7 C C1 25X . . . C 3 16.778 4.834 13.478 1 18.98 ? C1 25X 302 A 1 HETATM 8 B B6 25X . . . C 3 15.387 5.545 12.772 1 19.64 ? B6 25X 302 A 1 HETATM 9 B B5 25X . . . C 3 16.818 5.134 11.801 1 19.77 ? B5 25X 302 A 1 HETATM 10 B B3 25X . . . C 3 17.74 5.932 14.405 1 19.05 ? B3 25X 302 A 1 HETATM 11 C C2 25X . . . C 3 16.039 6.077 14.261 1 19.86 ? C2 25X 302 A 1 HETATM 12 B B7 25X . . . C 3 15.495 7.275 13.189 1 20.68 ? B7 25X 302 A 1 HETATM 13 B B4 25X . . . C 3 18.263 5.364 12.812 1 20.85 ? B4 25X 302 A 1 HETATM 14 B B10 25X . . . C 3 17.808 6.601 11.61 1 21.05 ? B10 25X 302 A 1 HETATM 15 B B12 25X . . . C 3 16.99 7.923 12.473 1 20.09 ? B12 25X 302 A 1 HETATM 16 B B9 25X . . . C 3 18.382 7.096 13.236 1 20.26 ? B9 25X 302 A 1 HETATM 17 B B11 25X . . . C 3 16.02 6.708 11.586 1 19.4 ? B11 25X 302 A 1 HETATM 18 B B8 25X . . . C 3 16.946 7.506 14.203 1 19.5 ? B8 25X 302 A 1 # _model_server_stats.io_time_ms 8 _model_server_stats.parse_time_ms 6 _model_server_stats.create_model_time_ms 2 _model_server_stats.query_time_ms 253 _model_server_stats.encode_time_ms 4 _model_server_stats.element_count 18 #