data_6KZR # _model_server_result.job_id oEgN_VATX21g0b9XFZ4wTA _model_server_result.datetime_utc '2025-07-17 14:25:47' _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 6kzr # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"F","auth_seq_id":301}' # _entry.id 6KZR # _exptl.entry_id 6KZR _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 40.078 _entity.id 3 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description 'CALCIUM ION' _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 90 _cell.angle_gamma 90 _cell.entry_id 6KZR _cell.length_a 65.979 _cell.length_b 72.435 _cell.length_c 101.106 _cell.Z_PDB 8 _cell.pdbx_unique_axis ? # _symmetry.entry_id 6KZR _symmetry.cell_setting ? _symmetry.Int_Tables_number 19 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 21 21 21' # loop_ _pdbx_struct_assembly.method_details _pdbx_struct_assembly.oligomeric_details _pdbx_struct_assembly.oligomeric_count _pdbx_struct_assembly.details _pdbx_struct_assembly.id ? dimeric 2 author_defined_assembly 1 PISA monomeric 1 software_defined_assembly 2 PISA monomeric 1 software_defined_assembly 3 # loop_ _pdbx_struct_assembly_gen.asym_id_list _pdbx_struct_assembly_gen.assembly_id _pdbx_struct_assembly_gen.oper_expression A,B,C,D,E,F,G,H,I,J 1 1 A,C,D,E,I 2 1 B,F,G,H,J 3 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 E N N ? 3 F 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 disulf ? disulf1 A SG CYS 5 A CYS 78 1_555 A SG CYS 16 A CYS 89 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.105 ? disulf ? disulf2 A SG CYS 35 A CYS 108 1_555 A SG CYS 129 A CYS 202 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.084 ? disulf ? disulf3 A SG CYS 103 A CYS 176 1_555 A SG CYS 121 A CYS 194 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.076 ? disulf ? disulf4 B SG CYS 5 B CYS 78 1_555 B SG CYS 16 B CYS 89 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.083 ? disulf ? disulf5 B SG CYS 35 B CYS 108 1_555 B SG CYS 129 B CYS 202 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.071 ? disulf ? disulf6 B SG CYS 103 B CYS 176 1_555 B SG CYS 121 B CYS 194 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.079 ? metalc ? metalc1 A OE1 GLU 95 A GLU 168 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.519 ? metalc ? metalc2 A OG SER 97 A SER 170 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.335 ? metalc ? metalc3 A OE1 GLU 101 A GLU 174 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.392 ? metalc ? metalc4 A OD1 ASN 117 A ASN 190 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.334 ? metalc ? metalc5 A O ASP 118 A ASP 191 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.327 ? metalc ? metalc6 A OD1 ASP 118 A ASP 191 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.315 ? metalc ? metalc7 C O1 GOL . A GOL 301 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.596 ? metalc ? metalc8 C O2 GOL . A GOL 301 1_555 E CA CA . A CA 303 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.641 ? metalc ? metalc9 B OE1 GLU 95 B GLU 168 1_555 F CA CA . B CA 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.455 ? metalc ? metalc10 B OG SER 97 B SER 170 1_555 F CA CA . B CA 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.441 ? metalc ? metalc11 B OE1 GLU 101 B GLU 174 1_555 F CA CA . B CA 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.329 ? metalc ? metalc12 B OD1 ASN 117 B ASN 190 1_555 F CA CA . B CA 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.321 ? metalc ? metalc13 B O ASP 118 B ASP 191 1_555 F CA CA . B CA 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.317 ? metalc ? metalc14 B OD1 ASP 118 B ASP 191 1_555 F CA CA . B CA 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.325 ? metalc ? metalc15 F CA CA . B CA 301 1_555 G O2 GOL . B GOL 302 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.487 ? metalc ? metalc16 F CA CA . B CA 301 1_555 G O3 GOL . B GOL 302 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.626 ? # _chem_comp.formula 'Ca 2' _chem_comp.formula_weight 40.078 _chem_comp.id CA _chem_comp.mon_nstd_flag . _chem_comp.name 'CALCIUM ION' _chem_comp.type non-polymer _chem_comp.pdbx_synonyms ? # _atom_sites.entry_id 6KZR _atom_sites.fract_transf_matrix[1][1] 0.015156 _atom_sites.fract_transf_matrix[1][2] 0 _atom_sites.fract_transf_matrix[1][3] 0 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.013805 _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] 0.009891 _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 2 GOL A 1 301 278 GOL GOL . D 2 GOL A 1 302 378 GOL GOL . E 3 CA A 1 303 1 CA CA . F 3 CA B 1 301 2 CA CA . G 2 GOL B 1 302 278 GOL GOL . H 2 GOL B 1 303 301 GOL GOL . I 4 HOH A 1 401 181 HOH HOH . I 4 HOH A 2 402 240 HOH HOH . I 4 HOH A 3 403 239 HOH HOH . I 4 HOH A 4 404 232 HOH HOH . I 4 HOH A 5 405 116 HOH HOH . I 4 HOH A 6 406 201 HOH HOH . I 4 HOH A 7 407 171 HOH HOH . I 4 HOH A 8 408 142 HOH HOH . I 4 HOH A 9 409 260 HOH HOH . I 4 HOH A 10 410 235 HOH HOH . I 4 HOH A 11 411 173 HOH HOH . I 4 HOH A 12 412 21 HOH HOH . I 4 HOH A 13 413 10 HOH HOH . I 4 HOH A 14 414 126 HOH HOH . I 4 HOH A 15 415 117 HOH HOH . I 4 HOH A 16 416 255 HOH HOH . I 4 HOH A 17 417 197 HOH HOH . I 4 HOH A 18 418 149 HOH HOH . I 4 HOH A 19 419 22 HOH HOH . I 4 HOH A 20 420 61 HOH HOH . I 4 HOH A 21 421 174 HOH HOH . I 4 HOH A 22 422 23 HOH HOH . I 4 HOH A 23 423 120 HOH HOH . I 4 HOH A 24 424 28 HOH HOH . I 4 HOH A 25 425 46 HOH HOH . I 4 HOH A 26 426 20 HOH HOH . I 4 HOH A 27 427 202 HOH HOH . I 4 HOH A 28 428 53 HOH HOH . I 4 HOH A 29 429 177 HOH HOH . I 4 HOH A 30 430 194 HOH HOH . I 4 HOH A 31 431 189 HOH HOH . I 4 HOH A 32 432 32 HOH HOH . I 4 HOH A 33 433 65 HOH HOH . I 4 HOH A 34 434 262 HOH HOH . I 4 HOH A 35 435 166 HOH HOH . I 4 HOH A 36 436 17 HOH HOH . I 4 HOH A 37 437 195 HOH HOH . I 4 HOH A 38 438 212 HOH HOH . I 4 HOH A 39 439 13 HOH HOH . I 4 HOH A 40 440 110 HOH HOH . I 4 HOH A 41 441 91 HOH HOH . I 4 HOH A 42 442 35 HOH HOH . I 4 HOH A 43 443 218 HOH HOH . I 4 HOH A 44 444 39 HOH HOH . I 4 HOH A 45 445 263 HOH HOH . I 4 HOH A 46 446 70 HOH HOH . I 4 HOH A 47 447 152 HOH HOH . I 4 HOH A 48 448 115 HOH HOH . I 4 HOH A 49 449 4 HOH HOH . I 4 HOH A 50 450 48 HOH HOH . I 4 HOH A 51 451 216 HOH HOH . I 4 HOH A 52 452 67 HOH HOH . I 4 HOH A 53 453 164 HOH HOH . I 4 HOH A 54 454 179 HOH HOH . I 4 HOH A 55 455 200 HOH HOH . I 4 HOH A 56 456 123 HOH HOH . I 4 HOH A 57 457 36 HOH HOH . I 4 HOH A 58 458 15 HOH HOH . I 4 HOH A 59 459 44 HOH HOH . I 4 HOH A 60 460 101 HOH HOH . I 4 HOH A 61 461 175 HOH HOH . I 4 HOH A 62 462 8 HOH HOH . I 4 HOH A 63 463 108 HOH HOH . I 4 HOH A 64 464 29 HOH HOH . I 4 HOH A 65 465 224 HOH HOH . I 4 HOH A 66 466 242 HOH HOH . I 4 HOH A 67 467 187 HOH HOH . I 4 HOH A 68 468 148 HOH HOH . I 4 HOH A 69 469 11 HOH HOH . I 4 HOH A 70 470 55 HOH HOH . I 4 HOH A 71 471 257 HOH HOH . I 4 HOH A 72 472 122 HOH HOH . I 4 HOH A 73 473 226 HOH HOH . I 4 HOH A 74 474 130 HOH HOH . I 4 HOH A 75 475 30 HOH HOH . I 4 HOH A 76 476 265 HOH HOH . I 4 HOH A 77 477 19 HOH HOH . I 4 HOH A 78 478 147 HOH HOH . I 4 HOH A 79 479 14 HOH HOH . I 4 HOH A 80 480 264 HOH HOH . I 4 HOH A 81 481 124 HOH HOH . I 4 HOH A 82 482 88 HOH HOH . I 4 HOH A 83 483 193 HOH HOH . I 4 HOH A 84 484 150 HOH HOH . I 4 HOH A 85 485 227 HOH HOH . I 4 HOH A 86 486 87 HOH HOH . I 4 HOH A 87 487 5 HOH HOH . I 4 HOH A 88 488 57 HOH HOH . I 4 HOH A 89 489 209 HOH HOH . I 4 HOH A 90 490 27 HOH HOH . I 4 HOH A 91 491 180 HOH HOH . I 4 HOH A 92 492 45 HOH HOH . I 4 HOH A 93 493 9 HOH HOH . I 4 HOH A 94 494 78 HOH HOH . I 4 HOH A 95 495 54 HOH HOH . I 4 HOH A 96 496 59 HOH HOH . I 4 HOH A 97 497 237 HOH HOH . I 4 HOH A 98 498 6 HOH HOH . I 4 HOH A 99 499 111 HOH HOH . I 4 HOH A 100 500 37 HOH HOH . I 4 HOH A 101 501 42 HOH HOH . I 4 HOH A 102 502 207 HOH HOH . I 4 HOH A 103 503 114 HOH HOH . I 4 HOH A 104 504 137 HOH HOH . I 4 HOH A 105 505 76 HOH HOH . I 4 HOH A 106 506 56 HOH HOH . I 4 HOH A 107 507 62 HOH HOH . I 4 HOH A 108 508 214 HOH HOH . I 4 HOH A 109 509 170 HOH HOH . I 4 HOH A 110 510 7 HOH HOH . I 4 HOH A 111 511 231 HOH HOH . I 4 HOH A 112 512 186 HOH HOH . I 4 HOH A 113 513 158 HOH HOH . I 4 HOH A 114 514 127 HOH HOH . I 4 HOH A 115 515 225 HOH HOH . I 4 HOH A 116 516 51 HOH HOH . I 4 HOH A 117 517 204 HOH HOH . I 4 HOH A 118 518 84 HOH HOH . I 4 HOH A 119 519 145 HOH HOH . I 4 HOH A 120 520 249 HOH HOH . I 4 HOH A 121 521 236 HOH HOH . I 4 HOH A 122 522 182 HOH HOH . I 4 HOH A 123 523 121 HOH HOH . I 4 HOH A 124 524 163 HOH HOH . I 4 HOH A 125 525 188 HOH HOH . I 4 HOH A 126 526 208 HOH HOH . I 4 HOH A 127 527 192 HOH HOH . I 4 HOH A 128 528 267 HOH HOH . I 4 HOH A 129 529 217 HOH HOH . I 4 HOH A 130 530 136 HOH HOH . I 4 HOH A 131 531 254 HOH HOH . I 4 HOH A 132 532 144 HOH HOH . I 4 HOH A 133 533 241 HOH HOH . I 4 HOH A 134 534 266 HOH HOH . I 4 HOH A 135 535 269 HOH HOH . I 4 HOH A 136 536 271 HOH HOH . I 4 HOH A 137 537 63 HOH HOH . I 4 HOH A 138 538 92 HOH HOH . I 4 HOH A 139 539 160 HOH HOH . I 4 HOH A 140 540 248 HOH HOH . I 4 HOH A 141 541 71 HOH HOH . I 4 HOH A 142 542 106 HOH HOH . I 4 HOH A 143 543 183 HOH HOH . I 4 HOH A 144 544 161 HOH HOH . J 4 HOH B 1 401 24 HOH HOH . J 4 HOH B 2 402 184 HOH HOH . J 4 HOH B 3 403 109 HOH HOH . J 4 HOH B 4 404 143 HOH HOH . J 4 HOH B 5 405 146 HOH HOH . J 4 HOH B 6 406 246 HOH HOH . J 4 HOH B 7 407 251 HOH HOH . J 4 HOH B 8 408 205 HOH HOH . J 4 HOH B 9 409 268 HOH HOH . J 4 HOH B 10 410 26 HOH HOH . J 4 HOH B 11 411 213 HOH HOH . J 4 HOH B 12 412 172 HOH HOH . J 4 HOH B 13 413 221 HOH HOH . J 4 HOH B 14 414 178 HOH HOH . J 4 HOH B 15 415 222 HOH HOH . J 4 HOH B 16 416 96 HOH HOH . J 4 HOH B 17 417 113 HOH HOH . J 4 HOH B 18 418 165 HOH HOH . J 4 HOH B 19 419 155 HOH HOH . J 4 HOH B 20 420 211 HOH HOH . J 4 HOH B 21 421 131 HOH HOH . J 4 HOH B 22 422 90 HOH HOH . J 4 HOH B 23 423 1 HOH HOH . J 4 HOH B 24 424 215 HOH HOH . J 4 HOH B 25 425 199 HOH HOH . J 4 HOH B 26 426 250 HOH HOH . J 4 HOH B 27 427 191 HOH HOH . J 4 HOH B 28 428 243 HOH HOH . J 4 HOH B 29 429 47 HOH HOH . J 4 HOH B 30 430 93 HOH HOH . J 4 HOH B 31 431 258 HOH HOH . J 4 HOH B 32 432 274 HOH HOH . J 4 HOH B 33 433 176 HOH HOH . J 4 HOH B 34 434 252 HOH HOH . J 4 HOH B 35 435 49 HOH HOH . J 4 HOH B 36 436 2 HOH HOH . J 4 HOH B 37 437 228 HOH HOH . J 4 HOH B 38 438 229 HOH HOH . J 4 HOH B 39 439 50 HOH HOH . J 4 HOH B 40 440 18 HOH HOH . J 4 HOH B 41 441 185 HOH HOH . J 4 HOH B 42 442 134 HOH HOH . J 4 HOH B 43 443 132 HOH HOH . J 4 HOH B 44 444 16 HOH HOH . J 4 HOH B 45 445 89 HOH HOH . J 4 HOH B 46 446 68 HOH HOH . J 4 HOH B 47 447 86 HOH HOH . J 4 HOH B 48 448 162 HOH HOH . J 4 HOH B 49 449 154 HOH HOH . J 4 HOH B 50 450 103 HOH HOH . J 4 HOH B 51 451 25 HOH HOH . J 4 HOH B 52 452 73 HOH HOH . J 4 HOH B 53 453 133 HOH HOH . J 4 HOH B 54 454 41 HOH HOH . J 4 HOH B 55 455 3 HOH HOH . J 4 HOH B 56 456 206 HOH HOH . J 4 HOH B 57 457 34 HOH HOH . J 4 HOH B 58 458 64 HOH HOH . J 4 HOH B 59 459 105 HOH HOH . J 4 HOH B 60 460 259 HOH HOH . J 4 HOH B 61 461 77 HOH HOH . J 4 HOH B 62 462 12 HOH HOH . J 4 HOH B 63 463 33 HOH HOH . J 4 HOH B 64 464 43 HOH HOH . J 4 HOH B 65 465 79 HOH HOH . J 4 HOH B 66 466 203 HOH HOH . J 4 HOH B 67 467 223 HOH HOH . J 4 HOH B 68 468 104 HOH HOH . J 4 HOH B 69 469 38 HOH HOH . J 4 HOH B 70 470 85 HOH HOH . J 4 HOH B 71 471 234 HOH HOH . J 4 HOH B 72 472 72 HOH HOH . J 4 HOH B 73 473 198 HOH HOH . J 4 HOH B 74 474 169 HOH HOH . J 4 HOH B 75 475 233 HOH HOH . J 4 HOH B 76 476 40 HOH HOH . J 4 HOH B 77 477 58 HOH HOH . J 4 HOH B 78 478 81 HOH HOH . J 4 HOH B 79 479 253 HOH HOH . J 4 HOH B 80 480 270 HOH HOH . J 4 HOH B 81 481 52 HOH HOH . J 4 HOH B 82 482 273 HOH HOH . J 4 HOH B 83 483 220 HOH HOH . J 4 HOH B 84 484 83 HOH HOH . J 4 HOH B 85 485 168 HOH HOH . J 4 HOH B 86 486 247 HOH HOH . J 4 HOH B 87 487 156 HOH HOH . J 4 HOH B 88 488 129 HOH HOH . J 4 HOH B 89 489 167 HOH HOH . J 4 HOH B 90 490 256 HOH HOH . J 4 HOH B 91 491 99 HOH HOH . J 4 HOH B 92 492 66 HOH HOH . J 4 HOH B 93 493 74 HOH HOH . J 4 HOH B 94 494 219 HOH HOH . J 4 HOH B 95 495 196 HOH HOH . J 4 HOH B 96 496 261 HOH HOH . J 4 HOH B 97 497 190 HOH HOH . J 4 HOH B 98 498 94 HOH HOH . J 4 HOH B 99 499 272 HOH HOH . # _atom_site.group_PDB HETATM _atom_site.id 1 _atom_site.type_symbol CA _atom_site.label_atom_id CA _atom_site.label_comp_id CA _atom_site.label_seq_id . _atom_site.label_alt_id . _atom_site.pdbx_PDB_ins_code . _atom_site.label_asym_id F _atom_site.label_entity_id 3 _atom_site.Cartn_x -18.965 _atom_site.Cartn_y 39.194 _atom_site.Cartn_z -16.348 _atom_site.occupancy 1 _atom_site.B_iso_or_equiv 41.15 _atom_site.pdbx_formal_charge ? _atom_site.auth_atom_id CA _atom_site.auth_comp_id CA _atom_site.auth_seq_id 301 _atom_site.auth_asym_id B _atom_site.pdbx_PDB_model_num 1 # _model_server_stats.io_time_ms 10 _model_server_stats.parse_time_ms 12 _model_server_stats.create_model_time_ms 3 _model_server_stats.query_time_ms 316 _model_server_stats.encode_time_ms 9 _model_server_stats.element_count 1 #