data_4RU3 # _model_server_result.job_id 14fd0YfRyFksDZPY1PndOw _model_server_result.datetime_utc '2025-09-05 07:32:28' _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 4ru3 # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"C","auth_seq_id":302}' # _entry.id 4RU3 # _exptl.entry_id 4RU3 _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 1 _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 4RU3 _cell.length_a 84.54 _cell.length_b 84.54 _cell.length_c 84.54 _cell.Z_PDB 12 _cell.pdbx_unique_axis ? # _symmetry.entry_id 4RU3 _symmetry.cell_setting ? _symmetry.Int_Tables_number 198 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 21 3' # _pdbx_struct_assembly.method_details PISA _pdbx_struct_assembly.oligomeric_details trimeric _pdbx_struct_assembly.oligomeric_count 3 _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 _pdbx_struct_assembly_gen.assembly_id 1 _pdbx_struct_assembly_gen.oper_expression 1,2,3 # loop_ _pdbx_struct_oper_list.id _pdbx_struct_oper_list.type _pdbx_struct_oper_list.name _pdbx_struct_oper_list.symmetry_operation _pdbx_struct_oper_list.matrix[1][1] _pdbx_struct_oper_list.matrix[1][2] _pdbx_struct_oper_list.matrix[1][3] _pdbx_struct_oper_list.matrix[2][1] _pdbx_struct_oper_list.matrix[2][2] _pdbx_struct_oper_list.matrix[2][3] _pdbx_struct_oper_list.matrix[3][1] _pdbx_struct_oper_list.matrix[3][2] _pdbx_struct_oper_list.matrix[3][3] _pdbx_struct_oper_list.vector[1] _pdbx_struct_oper_list.vector[2] _pdbx_struct_oper_list.vector[3] 1 'identity operation' 1_555 x,y,z 1 0 0 0 1 0 0 0 1 0 0 0 2 'crystal symmetry operation' 5_555 z,x,y 0 0 1 1 0 0 0 1 0 0 0 0 3 'crystal symmetry operation' 9_555 y,z,x 0 1 0 0 0 1 1 0 0 0 0 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 203 A HIS 203 1_555 B FE FE . A FE 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.131 ? metalc ? metalc2 A NE2 HIS 205 A HIS 205 1_555 B FE FE . A FE 301 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.177 ? metalc ? metalc3 A OE1 GLU 207 A GLU 207 1_555 C CA CA . A CA 302 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.273 ? metalc ? metalc4 A O ASN 209 A ASN 209 1_555 C CA CA . A CA 302 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.307 ? # _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 4RU3 _atom_sites.fract_transf_matrix[1][1] 0.011829 _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] 0.011829 _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] 0.011829 _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 FE A 1 301 1 FE FE . C 3 CA A 1 302 1 CA CA . D 4 GOL A 1 303 1307 GOL GOL . E 5 HOH A 1 401 1 HOH HOH . E 5 HOH A 2 402 2 HOH HOH . E 5 HOH A 3 403 3 HOH HOH . E 5 HOH A 4 404 4 HOH HOH . E 5 HOH A 5 405 5 HOH HOH . E 5 HOH A 6 406 6 HOH HOH . E 5 HOH A 7 407 7 HOH HOH . E 5 HOH A 8 408 8 HOH HOH . E 5 HOH A 9 409 9 HOH HOH . E 5 HOH A 10 410 10 HOH HOH . E 5 HOH A 11 411 11 HOH HOH . E 5 HOH A 12 412 12 HOH HOH . E 5 HOH A 13 413 13 HOH HOH . E 5 HOH A 14 414 14 HOH HOH . E 5 HOH A 15 415 15 HOH HOH . E 5 HOH A 16 416 16 HOH HOH . E 5 HOH A 17 417 17 HOH HOH . E 5 HOH A 18 418 18 HOH HOH . E 5 HOH A 19 419 19 HOH HOH . E 5 HOH A 20 420 20 HOH HOH . E 5 HOH A 21 421 21 HOH HOH . E 5 HOH A 22 422 22 HOH HOH . E 5 HOH A 23 423 23 HOH HOH . E 5 HOH A 24 424 24 HOH HOH . E 5 HOH A 25 425 25 HOH HOH . E 5 HOH A 26 426 26 HOH HOH . E 5 HOH A 27 427 27 HOH HOH . E 5 HOH A 28 428 28 HOH HOH . E 5 HOH A 29 429 29 HOH HOH . E 5 HOH A 30 430 30 HOH HOH . E 5 HOH A 31 431 31 HOH HOH . E 5 HOH A 32 432 32 HOH HOH . E 5 HOH A 33 433 33 HOH HOH . E 5 HOH A 34 434 34 HOH HOH . E 5 HOH A 35 435 35 HOH HOH . E 5 HOH A 36 436 36 HOH HOH . E 5 HOH A 37 437 37 HOH HOH . E 5 HOH A 38 438 38 HOH HOH . E 5 HOH A 39 439 39 HOH HOH . E 5 HOH A 40 440 40 HOH HOH . E 5 HOH A 41 441 41 HOH HOH . E 5 HOH A 42 442 42 HOH HOH . E 5 HOH A 43 443 43 HOH HOH . E 5 HOH A 44 444 44 HOH HOH . E 5 HOH A 45 445 45 HOH HOH . E 5 HOH A 46 446 46 HOH HOH . E 5 HOH A 47 447 47 HOH HOH . E 5 HOH A 48 448 48 HOH HOH . E 5 HOH A 49 449 49 HOH HOH . E 5 HOH A 50 450 50 HOH HOH . E 5 HOH A 51 451 51 HOH HOH . E 5 HOH A 52 452 52 HOH HOH . E 5 HOH A 53 453 53 HOH HOH . E 5 HOH A 54 454 54 HOH HOH . E 5 HOH A 55 455 55 HOH HOH . E 5 HOH A 56 456 56 HOH HOH . E 5 HOH A 57 457 57 HOH HOH . E 5 HOH A 58 458 58 HOH HOH . E 5 HOH A 59 459 59 HOH HOH . E 5 HOH A 60 460 60 HOH HOH . E 5 HOH A 61 461 61 HOH HOH . E 5 HOH A 62 462 62 HOH HOH . E 5 HOH A 63 463 63 HOH HOH . E 5 HOH A 64 464 64 HOH HOH . E 5 HOH A 65 465 65 HOH HOH . E 5 HOH A 66 466 66 HOH HOH . E 5 HOH A 67 467 67 HOH HOH . E 5 HOH A 68 468 68 HOH HOH . E 5 HOH A 69 469 69 HOH HOH . E 5 HOH A 70 470 70 HOH HOH . E 5 HOH A 71 471 71 HOH HOH . E 5 HOH A 72 472 72 HOH HOH . E 5 HOH A 73 473 73 HOH HOH . E 5 HOH A 74 474 74 HOH HOH . E 5 HOH A 75 475 75 HOH HOH . E 5 HOH A 76 476 76 HOH HOH . E 5 HOH A 77 477 77 HOH HOH . E 5 HOH A 78 478 78 HOH HOH . E 5 HOH A 79 479 79 HOH HOH . E 5 HOH A 80 480 80 HOH HOH . E 5 HOH A 81 481 81 HOH HOH . E 5 HOH A 82 482 82 HOH HOH . E 5 HOH A 83 483 83 HOH HOH . E 5 HOH A 84 484 84 HOH HOH . E 5 HOH A 85 485 85 HOH HOH . E 5 HOH A 86 486 86 HOH HOH . E 5 HOH A 87 487 87 HOH HOH . E 5 HOH A 88 488 88 HOH HOH . E 5 HOH A 89 489 89 HOH HOH . E 5 HOH A 90 490 90 HOH HOH . E 5 HOH A 91 491 91 HOH HOH . E 5 HOH A 92 492 92 HOH HOH . E 5 HOH A 93 493 93 HOH HOH . E 5 HOH A 94 494 94 HOH HOH . E 5 HOH A 95 495 95 HOH HOH . E 5 HOH A 96 496 96 HOH HOH . E 5 HOH A 97 497 97 HOH HOH . E 5 HOH A 98 498 98 HOH HOH . E 5 HOH A 99 499 99 HOH HOH . E 5 HOH A 100 500 100 HOH HOH . E 5 HOH A 101 501 101 HOH HOH . E 5 HOH A 102 502 102 HOH HOH . E 5 HOH A 103 503 103 HOH HOH . E 5 HOH A 104 504 104 HOH HOH . E 5 HOH A 105 505 105 HOH HOH . E 5 HOH A 106 506 106 HOH HOH . E 5 HOH A 107 507 107 HOH HOH . E 5 HOH A 108 508 108 HOH HOH . E 5 HOH A 109 509 109 HOH HOH . E 5 HOH A 110 510 110 HOH HOH . E 5 HOH A 111 511 111 HOH HOH . E 5 HOH A 112 512 112 HOH HOH . E 5 HOH A 113 513 113 HOH HOH . E 5 HOH A 114 514 114 HOH HOH . E 5 HOH A 115 515 116 HOH HOH . E 5 HOH A 116 516 117 HOH HOH . E 5 HOH A 117 517 118 HOH HOH . E 5 HOH A 118 518 119 HOH HOH . E 5 HOH A 119 519 120 HOH HOH . E 5 HOH A 120 520 121 HOH HOH . E 5 HOH A 121 521 122 HOH HOH . E 5 HOH A 122 522 123 HOH HOH . E 5 HOH A 123 523 124 HOH HOH . E 5 HOH A 124 524 125 HOH HOH . E 5 HOH A 125 525 126 HOH HOH . E 5 HOH A 126 526 127 HOH HOH . E 5 HOH A 127 527 128 HOH HOH . E 5 HOH A 128 528 129 HOH HOH . E 5 HOH A 129 529 130 HOH HOH . E 5 HOH A 130 530 131 HOH HOH . E 5 HOH A 131 531 132 HOH HOH . E 5 HOH A 132 532 133 HOH HOH . E 5 HOH A 133 533 134 HOH HOH . E 5 HOH A 134 534 136 HOH HOH . E 5 HOH A 135 535 137 HOH HOH . E 5 HOH A 136 536 138 HOH HOH . E 5 HOH A 137 537 139 HOH HOH . E 5 HOH A 138 538 140 HOH HOH . E 5 HOH A 139 539 141 HOH HOH . E 5 HOH A 140 540 142 HOH HOH . E 5 HOH A 141 541 144 HOH HOH . E 5 HOH A 142 542 145 HOH HOH . E 5 HOH A 143 543 146 HOH HOH . E 5 HOH A 144 544 147 HOH HOH . E 5 HOH A 145 545 148 HOH HOH . E 5 HOH A 146 546 149 HOH HOH . E 5 HOH A 147 547 151 HOH HOH . E 5 HOH A 148 548 152 HOH HOH . E 5 HOH A 149 549 153 HOH HOH . E 5 HOH A 150 550 154 HOH HOH . E 5 HOH A 151 551 155 HOH HOH . E 5 HOH A 152 552 156 HOH HOH . E 5 HOH A 153 553 157 HOH HOH . E 5 HOH A 154 554 158 HOH HOH . E 5 HOH A 155 555 159 HOH HOH . E 5 HOH A 156 556 160 HOH HOH . E 5 HOH A 157 557 161 HOH HOH . E 5 HOH A 158 558 162 HOH HOH . E 5 HOH A 159 559 163 HOH HOH . E 5 HOH A 160 560 164 HOH HOH . E 5 HOH A 161 561 165 HOH HOH . E 5 HOH A 162 562 166 HOH HOH . E 5 HOH A 163 563 167 HOH HOH . E 5 HOH A 164 564 168 HOH HOH . E 5 HOH A 165 565 169 HOH HOH . E 5 HOH A 166 566 170 HOH HOH . E 5 HOH A 167 567 171 HOH HOH . E 5 HOH A 168 568 172 HOH HOH . E 5 HOH A 169 569 174 HOH HOH . E 5 HOH A 170 570 175 HOH HOH . E 5 HOH A 171 571 176 HOH HOH . E 5 HOH A 172 572 177 HOH HOH . E 5 HOH A 173 573 178 HOH HOH . E 5 HOH A 174 574 179 HOH HOH . E 5 HOH A 175 575 181 HOH HOH . E 5 HOH A 176 576 182 HOH HOH . E 5 HOH A 177 577 183 HOH HOH . E 5 HOH A 178 578 184 HOH HOH . E 5 HOH A 179 579 185 HOH HOH . E 5 HOH A 180 580 186 HOH HOH . E 5 HOH A 181 581 187 HOH HOH . E 5 HOH A 182 582 188 HOH HOH . E 5 HOH A 183 583 189 HOH HOH . E 5 HOH A 184 584 190 HOH HOH . E 5 HOH A 185 585 191 HOH HOH . E 5 HOH A 186 586 192 HOH HOH . E 5 HOH A 187 587 193 HOH HOH . E 5 HOH A 188 588 194 HOH HOH . E 5 HOH A 189 589 195 HOH HOH . E 5 HOH A 190 590 196 HOH HOH . E 5 HOH A 191 591 198 HOH HOH . E 5 HOH A 192 592 199 HOH HOH . E 5 HOH A 193 593 200 HOH HOH . E 5 HOH A 194 594 201 HOH HOH . E 5 HOH A 195 595 202 HOH HOH . E 5 HOH A 196 596 203 HOH HOH . E 5 HOH A 197 597 204 HOH HOH . E 5 HOH A 198 598 205 HOH HOH . E 5 HOH A 199 599 206 HOH HOH . E 5 HOH A 200 600 207 HOH HOH . E 5 HOH A 201 601 209 HOH HOH . E 5 HOH A 202 602 210 HOH HOH . E 5 HOH A 203 603 211 HOH HOH . E 5 HOH A 204 604 212 HOH HOH . E 5 HOH A 205 605 213 HOH HOH . E 5 HOH A 206 606 215 HOH HOH . E 5 HOH A 207 607 216 HOH HOH . E 5 HOH A 208 608 217 HOH HOH . E 5 HOH A 209 609 220 HOH HOH . E 5 HOH A 210 610 221 HOH HOH . E 5 HOH A 211 611 222 HOH HOH . E 5 HOH A 212 612 223 HOH HOH . E 5 HOH A 213 613 224 HOH HOH . E 5 HOH A 214 614 225 HOH HOH . E 5 HOH A 215 615 226 HOH HOH . E 5 HOH A 216 616 227 HOH HOH . E 5 HOH A 217 617 228 HOH HOH . E 5 HOH A 218 618 229 HOH HOH . E 5 HOH A 219 619 230 HOH HOH . E 5 HOH A 220 620 231 HOH HOH . E 5 HOH A 221 621 232 HOH HOH . E 5 HOH A 222 622 234 HOH HOH . E 5 HOH A 223 623 235 HOH HOH . E 5 HOH A 224 624 238 HOH HOH . E 5 HOH A 225 625 239 HOH HOH . E 5 HOH A 226 626 240 HOH HOH . E 5 HOH A 227 627 241 HOH HOH . E 5 HOH A 228 628 242 HOH HOH . E 5 HOH A 229 629 243 HOH HOH . E 5 HOH A 230 630 244 HOH HOH . E 5 HOH A 231 631 245 HOH HOH . E 5 HOH A 232 632 248 HOH HOH . E 5 HOH A 233 633 250 HOH HOH . E 5 HOH A 234 634 253 HOH HOH . E 5 HOH A 235 635 254 HOH HOH . E 5 HOH A 236 636 255 HOH HOH . E 5 HOH A 237 637 256 HOH HOH . E 5 HOH A 238 638 258 HOH HOH . E 5 HOH A 239 639 259 HOH HOH . E 5 HOH A 240 640 260 HOH HOH . E 5 HOH A 241 641 263 HOH HOH . E 5 HOH A 242 642 264 HOH HOH . E 5 HOH A 243 643 265 HOH HOH . E 5 HOH A 244 644 266 HOH HOH . E 5 HOH A 245 645 267 HOH HOH . E 5 HOH A 246 646 268 HOH HOH . E 5 HOH A 247 647 269 HOH HOH . E 5 HOH A 248 648 270 HOH HOH . E 5 HOH A 249 649 271 HOH HOH . E 5 HOH A 250 650 272 HOH HOH . E 5 HOH A 251 651 273 HOH HOH . E 5 HOH A 252 652 274 HOH HOH . E 5 HOH A 253 653 276 HOH HOH . E 5 HOH A 254 654 277 HOH HOH . E 5 HOH A 255 655 278 HOH HOH . E 5 HOH A 256 656 279 HOH HOH . E 5 HOH A 257 657 280 HOH HOH . E 5 HOH A 258 658 281 HOH HOH . E 5 HOH A 259 659 282 HOH HOH . E 5 HOH A 260 660 284 HOH HOH . E 5 HOH A 261 661 285 HOH HOH . E 5 HOH A 262 662 286 HOH HOH . E 5 HOH A 263 663 287 HOH HOH . E 5 HOH A 264 664 288 HOH HOH . E 5 HOH A 265 665 289 HOH HOH . E 5 HOH A 266 666 290 HOH HOH . E 5 HOH A 267 667 291 HOH HOH . E 5 HOH A 268 668 293 HOH HOH . E 5 HOH A 269 669 294 HOH HOH . E 5 HOH A 270 670 295 HOH HOH . E 5 HOH A 271 671 297 HOH HOH . E 5 HOH A 272 672 298 HOH HOH . E 5 HOH A 273 673 299 HOH HOH . E 5 HOH A 274 674 300 HOH HOH . E 5 HOH A 275 675 301 HOH HOH . E 5 HOH A 276 676 302 HOH HOH . E 5 HOH A 277 677 303 HOH HOH . E 5 HOH A 278 678 304 HOH HOH . E 5 HOH A 279 679 305 HOH HOH . E 5 HOH A 280 680 307 HOH HOH . E 5 HOH A 281 681 308 HOH HOH . E 5 HOH A 282 682 310 HOH HOH . E 5 HOH A 283 683 311 HOH HOH . E 5 HOH A 284 684 312 HOH HOH . E 5 HOH A 285 685 313 HOH HOH . E 5 HOH A 286 686 314 HOH HOH . E 5 HOH A 287 687 316 HOH HOH . E 5 HOH A 288 688 317 HOH HOH . E 5 HOH A 289 689 318 HOH HOH . E 5 HOH A 290 690 319 HOH HOH . E 5 HOH A 291 691 320 HOH HOH . E 5 HOH A 292 692 321 HOH HOH . E 5 HOH A 293 693 322 HOH HOH . E 5 HOH A 294 694 323 HOH HOH . E 5 HOH A 295 695 324 HOH HOH . E 5 HOH A 296 696 326 HOH HOH . E 5 HOH A 297 697 327 HOH HOH . E 5 HOH A 298 698 328 HOH HOH . E 5 HOH A 299 699 329 HOH HOH . E 5 HOH A 300 700 330 HOH HOH . E 5 HOH A 301 701 331 HOH HOH . E 5 HOH A 302 702 332 HOH HOH . E 5 HOH A 303 703 333 HOH HOH . E 5 HOH A 304 704 334 HOH HOH . E 5 HOH A 305 705 335 HOH HOH . E 5 HOH A 306 706 336 HOH HOH . E 5 HOH A 307 707 337 HOH HOH . E 5 HOH A 308 708 338 HOH HOH . E 5 HOH A 309 709 339 HOH HOH . E 5 HOH A 310 710 340 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 C _atom_site.label_entity_id 3 _atom_site.Cartn_x 22.797 _atom_site.Cartn_y 22.797 _atom_site.Cartn_z 22.797 _atom_site.occupancy 0.19 _atom_site.B_iso_or_equiv 18.59 _atom_site.pdbx_formal_charge ? _atom_site.auth_atom_id CA _atom_site.auth_comp_id CA _atom_site.auth_seq_id 302 _atom_site.auth_asym_id A _atom_site.pdbx_PDB_model_num 1 # _model_server_stats.io_time_ms 47 _model_server_stats.parse_time_ms 8 _model_server_stats.create_model_time_ms 2 _model_server_stats.query_time_ms 326 _model_server_stats.encode_time_ms 2 _model_server_stats.element_count 1 #