data_1XUI # _model_server_result.job_id baJpYLjnGn5m_M9ry6htMg _model_server_result.datetime_utc '2024-11-30 06:09:19' _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 1xui # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"D","auth_seq_id":246}' # _entry.id 1XUI # _exptl.entry_id 1XUI _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 346.346 _entity.id 4 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description BIS(5-AMIDINO-2-BENZIMIDAZOLYL)METHANONE _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 120 _cell.entry_id 1XUI _cell.length_a 54.96 _cell.length_b 54.96 _cell.length_c 109.12 _cell.Z_PDB 6 _cell.pdbx_unique_axis ? # _symmetry.entry_id 1XUI _symmetry.cell_setting ? _symmetry.Int_Tables_number 152 _symmetry.space_group_name_Hall . _symmetry.space_group_name_H-M 'P 31 2 1' # _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details monomeric _pdbx_struct_assembly.oligomeric_count 1 _pdbx_struct_assembly.details author_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 # _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 4 _struct_asym.id D _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 disulf ? disulf1 A SG CYS 7 A CYS 22 1_555 A SG CYS 137 A CYS 157 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.012 ? disulf ? disulf2 A SG CYS 25 A CYS 42 1_555 A SG CYS 41 A CYS 58 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.02 ? disulf ? disulf3 A SG CYS 109 A CYS 128 1_555 A SG CYS 210 A CYS 232 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.026 ? disulf ? disulf4 A SG CYS 116 A CYS 136 1_555 A SG CYS 183 A CYS 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.017 ? disulf ? disulf5 A SG CYS 148 A CYS 168 1_555 A SG CYS 162 A CYS 182 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.009 ? disulf ? disulf6 A SG CYS 173 A CYS 191 1_555 A SG CYS 197 A CYS 220 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.037 ? metalc ? metalc1 A OE1 GLU 52 A GLU 70 1_555 B CA CA . A CA 247 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.366 ? metalc ? metalc2 A O ASN 54 A ASN 72 1_555 B CA CA . A CA 247 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.314 ? metalc ? metalc3 A O VAL 57 A VAL 75 1_555 B CA CA . A CA 247 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.187 ? metalc ? metalc4 A OE2 GLU 62 A GLU 80 1_555 B CA CA . A CA 247 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.415 ? metalc ? metalc5 B CA CA . A CA 247 1_555 E O HOH . A HOH 271 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.373 ? metalc ? metalc6 B CA CA . A CA 247 1_555 E O HOH . A HOH 309 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.367 ? metalc ? metalc7 E O HOH . A HOH 297 3_664 C NA NA . A NA 487 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.533 ? # _chem_comp.formula 'C17 H14 N8 O' _chem_comp.formula_weight 346.346 _chem_comp.id BAO _chem_comp.mon_nstd_flag . _chem_comp.name BIS(5-AMIDINO-2-BENZIMIDAZOLYL)METHANONE _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 C1 C2 BAO sing 70 n y C1 C6 BAO doub 71 n y C1 C7 BAO sing 72 n n C2 C3 BAO doub 73 n y C2 H2 BAO sing 74 n n C3 C4 BAO sing 75 n y C3 H3 BAO sing 76 n n C4 C5 BAO doub 77 n y C4 N3 BAO sing 78 n y C5 C6 BAO sing 79 n y C5 N4 BAO sing 80 n y C6 H6 BAO sing 81 n n C7 N1 BAO doub 82 n n C7 N2 BAO sing 83 n n N1 HN1 BAO sing 84 n n N2 HN21 BAO sing 85 n n N2 HN22 BAO sing 86 n n N3 C8 BAO doub 87 n y N4 C8 BAO sing 88 n y N4 HN4 BAO sing 89 n n C8 C9 BAO sing 90 n n C1' C2' BAO sing 91 n y C1' C6' BAO doub 92 n y C1' C7' BAO sing 93 n n C2' C3' BAO doub 94 n y C2' H2' BAO sing 95 n n C3' C4' BAO sing 96 n y C3' H3' BAO sing 97 n n C4' C5' BAO doub 98 n y C4' N3' BAO sing 99 n y C5' C6' BAO sing 100 n y C5' N4' BAO sing 101 n y C6' H6' BAO sing 102 n n C7' N1' BAO doub 103 n n C7' N2' BAO sing 104 n n N1' H1' BAO sing 105 n n N2' "H2'1" BAO sing 106 n n N2' "H2'2" BAO sing 107 n n N3' C8' BAO doub 108 n y N4' C8' BAO sing 109 n y N4' HN4' BAO sing 110 n n C8' C9 BAO sing 111 n n C9 O9 BAO doub 112 n n # _atom_sites.entry_id 1XUI _atom_sites.fract_transf_matrix[1][1] 0.018195 _atom_sites.fract_transf_matrix[1][2] 0.010505 _atom_sites.fract_transf_matrix[1][3] 0 _atom_sites.fract_transf_matrix[2][1] 0 _atom_sites.fract_transf_matrix[2][2] 0.02101 _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] 0.009164 _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 CA A 1 247 247 CA CA . C 3 NA A 1 487 487 NA NA . D 4 BAO A 1 246 246 BAO BAO . E 5 HOH A 1 248 248 HOH HOH . E 5 HOH A 2 249 249 HOH HOH . E 5 HOH A 3 250 250 HOH HOH . E 5 HOH A 4 251 251 HOH HOH . E 5 HOH A 5 252 252 HOH HOH . E 5 HOH A 6 253 253 HOH HOH . E 5 HOH A 7 254 254 HOH HOH . E 5 HOH A 8 255 255 HOH HOH . E 5 HOH A 9 256 256 HOH HOH . E 5 HOH A 10 257 257 HOH HOH . E 5 HOH A 11 258 258 HOH HOH . E 5 HOH A 12 259 259 HOH HOH . E 5 HOH A 13 260 260 HOH HOH . E 5 HOH A 14 261 261 HOH HOH . E 5 HOH A 15 262 262 HOH HOH . E 5 HOH A 16 263 263 HOH HOH . E 5 HOH A 17 264 264 HOH HOH . E 5 HOH A 18 265 265 HOH HOH . E 5 HOH A 19 266 266 HOH HOH . E 5 HOH A 20 267 267 HOH HOH . E 5 HOH A 21 268 268 HOH HOH . E 5 HOH A 22 269 269 HOH HOH . E 5 HOH A 23 270 270 HOH HOH . E 5 HOH A 24 271 271 HOH HOH . E 5 HOH A 25 272 272 HOH HOH . E 5 HOH A 26 273 273 HOH HOH . E 5 HOH A 27 274 274 HOH HOH . E 5 HOH A 28 275 275 HOH HOH . E 5 HOH A 29 276 276 HOH HOH . E 5 HOH A 30 277 277 HOH HOH . E 5 HOH A 31 278 278 HOH HOH . E 5 HOH A 32 279 279 HOH HOH . E 5 HOH A 33 280 280 HOH HOH . E 5 HOH A 34 281 281 HOH HOH . E 5 HOH A 35 282 282 HOH HOH . E 5 HOH A 36 283 283 HOH HOH . E 5 HOH A 37 284 284 HOH HOH . E 5 HOH A 38 285 285 HOH HOH . E 5 HOH A 39 286 286 HOH HOH . E 5 HOH A 40 287 287 HOH HOH . E 5 HOH A 41 288 288 HOH HOH . E 5 HOH A 42 289 289 HOH HOH . E 5 HOH A 43 290 290 HOH HOH . E 5 HOH A 44 291 291 HOH HOH . E 5 HOH A 45 292 292 HOH HOH . E 5 HOH A 46 293 293 HOH HOH . E 5 HOH A 47 294 294 HOH HOH . E 5 HOH A 48 295 295 HOH HOH . E 5 HOH A 49 297 297 HOH HOH . E 5 HOH A 50 298 298 HOH HOH . E 5 HOH A 51 299 299 HOH HOH . E 5 HOH A 52 300 300 HOH HOH . E 5 HOH A 53 301 301 HOH HOH . E 5 HOH A 54 303 303 HOH HOH . E 5 HOH A 55 304 304 HOH HOH . E 5 HOH A 56 305 305 HOH HOH . E 5 HOH A 57 306 306 HOH HOH . E 5 HOH A 58 307 307 HOH HOH . E 5 HOH A 59 308 308 HOH HOH . E 5 HOH A 60 309 309 HOH HOH . E 5 HOH A 61 310 310 HOH HOH . E 5 HOH A 62 311 311 HOH HOH . E 5 HOH A 63 312 312 HOH HOH . E 5 HOH A 64 313 313 HOH HOH . E 5 HOH A 65 314 314 HOH HOH . E 5 HOH A 66 316 316 HOH HOH . E 5 HOH A 67 318 318 HOH HOH . E 5 HOH A 68 319 319 HOH HOH . E 5 HOH A 69 320 320 HOH HOH . E 5 HOH A 70 321 321 HOH HOH . E 5 HOH A 71 322 322 HOH HOH . E 5 HOH A 72 323 323 HOH HOH . E 5 HOH A 73 324 324 HOH HOH . E 5 HOH A 74 325 325 HOH HOH . E 5 HOH A 75 328 328 HOH HOH . E 5 HOH A 76 330 330 HOH HOH . E 5 HOH A 77 333 333 HOH HOH . E 5 HOH A 78 335 335 HOH HOH . E 5 HOH A 79 337 337 HOH HOH . E 5 HOH A 80 338 338 HOH HOH . E 5 HOH A 81 339 339 HOH HOH . E 5 HOH A 82 340 340 HOH HOH . E 5 HOH A 83 341 341 HOH HOH . E 5 HOH A 84 342 342 HOH HOH . E 5 HOH A 85 343 343 HOH HOH . E 5 HOH A 86 344 344 HOH HOH . E 5 HOH A 87 345 345 HOH HOH . E 5 HOH A 88 349 349 HOH HOH . E 5 HOH A 89 350 350 HOH HOH . E 5 HOH A 90 351 351 HOH HOH . E 5 HOH A 91 352 352 HOH HOH . E 5 HOH A 92 353 353 HOH HOH . E 5 HOH A 93 355 355 HOH HOH . E 5 HOH A 94 356 356 HOH HOH . E 5 HOH A 95 357 357 HOH HOH . E 5 HOH A 96 358 358 HOH HOH . E 5 HOH A 97 361 361 HOH HOH . E 5 HOH A 98 363 363 HOH HOH . E 5 HOH A 99 364 364 HOH HOH . E 5 HOH A 100 369 369 HOH HOH . E 5 HOH A 101 372 372 HOH HOH . E 5 HOH A 102 373 373 HOH HOH . E 5 HOH A 103 376 376 HOH HOH . E 5 HOH A 104 377 377 HOH HOH . E 5 HOH A 105 378 378 HOH HOH . E 5 HOH A 106 379 379 HOH HOH . E 5 HOH A 107 380 380 HOH HOH . E 5 HOH A 108 381 381 HOH HOH . E 5 HOH A 109 382 382 HOH HOH . E 5 HOH A 110 383 383 HOH HOH . E 5 HOH A 111 390 390 HOH HOH . E 5 HOH A 112 392 392 HOH HOH . E 5 HOH A 113 393 393 HOH HOH . E 5 HOH A 114 395 395 HOH HOH . E 5 HOH A 115 396 396 HOH HOH . E 5 HOH A 116 397 397 HOH HOH . E 5 HOH A 117 400 400 HOH HOH . E 5 HOH A 118 401 401 HOH HOH . E 5 HOH A 119 403 403 HOH HOH . E 5 HOH A 120 404 404 HOH HOH . E 5 HOH A 121 406 406 HOH HOH . E 5 HOH A 122 425 425 HOH HOH . E 5 HOH A 123 431 431 HOH HOH . E 5 HOH A 124 432 432 HOH HOH . E 5 HOH A 125 433 433 HOH HOH . E 5 HOH A 126 434 434 HOH HOH . E 5 HOH A 127 438 438 HOH HOH . E 5 HOH A 128 441 441 HOH HOH . E 5 HOH A 129 442 442 HOH HOH . E 5 HOH A 130 444 444 HOH HOH . E 5 HOH A 131 447 447 HOH HOH . E 5 HOH A 132 449 449 HOH HOH . E 5 HOH A 133 453 453 HOH HOH . E 5 HOH A 134 455 455 HOH HOH . E 5 HOH A 135 457 457 HOH HOH . E 5 HOH A 136 459 459 HOH HOH . E 5 HOH A 137 463 463 HOH HOH . E 5 HOH A 138 464 464 HOH HOH . E 5 HOH A 139 466 466 HOH HOH . E 5 HOH A 140 469 469 HOH HOH . E 5 HOH A 141 470 470 HOH HOH . E 5 HOH A 142 477 477 HOH HOH . E 5 HOH A 143 479 479 HOH HOH . E 5 HOH A 144 480 480 HOH HOH . E 5 HOH A 145 481 481 HOH HOH . E 5 HOH A 146 482 482 HOH HOH . E 5 HOH A 147 483 483 HOH HOH . E 5 HOH A 148 484 484 HOH HOH . E 5 HOH A 149 485 485 HOH HOH . E 5 HOH A 150 488 488 HOH HOH . E 5 HOH A 151 489 489 HOH HOH . E 5 HOH A 152 490 490 HOH HOH . E 5 HOH A 153 491 491 HOH HOH . E 5 HOH A 154 492 492 HOH HOH . E 5 HOH A 155 496 496 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 C C1 BAO . . . D 4 45.606 19.531 52.792 1 48.14 ? C1 BAO 246 A 1 HETATM 2 C C2 BAO . . . D 4 45.118 19.09 51.522 1 48.58 ? C2 BAO 246 A 1 HETATM 3 C C3 BAO . . . D 4 44.734 19.99 50.503 1 48.86 ? C3 BAO 246 A 1 HETATM 4 C C4 BAO . . . D 4 44.863 21.361 50.783 1 50.79 ? C4 BAO 246 A 1 HETATM 5 C C5 BAO . . . D 4 45.329 21.85 51.995 1 50.19 ? C5 BAO 246 A 1 HETATM 6 C C6 BAO . . . D 4 45.708 20.942 53.005 1 49.4 ? C6 BAO 246 A 1 HETATM 7 C C7 BAO . . . D 4 45.913 18.599 53.793 1 46.06 ? C7 BAO 246 A 1 HETATM 8 N N1 BAO . . . D 4 46.664 18.919 54.821 1 44.74 ? N1 BAO 246 A 1 HETATM 9 N N2 BAO . . . D 4 45.425 17.368 53.743 1 44.1 ? N2 BAO 246 A 1 HETATM 10 N N3 BAO . . . D 4 44.575 22.376 49.949 1 51.26 ? N3 BAO 246 A 1 HETATM 11 N N4 BAO . . . D 4 45.289 23.206 52.039 1 50.09 ? N4 BAO 246 A 1 HETATM 12 C C8 BAO . . . D 4 44.819 23.429 50.767 1 50.04 ? C8 BAO 246 A 1 HETATM 13 C C1' BAO . . . D 4 43.413 27.175 45.172 0.36 47.22 ? C1' BAO 246 A 1 HETATM 14 C C2' BAO . . . D 4 43.237 25.821 44.783 0.36 47.43 ? C2' BAO 246 A 1 HETATM 15 C C3' BAO . . . D 4 43.407 24.742 45.691 0.36 46.73 ? C3' BAO 246 A 1 HETATM 16 C C4' BAO . . . D 4 43.725 25.043 47.016 0.36 46.67 ? C4' BAO 246 A 1 HETATM 17 C C5' BAO . . . D 4 43.892 26.34 47.413 0.36 46.98 ? C5' BAO 246 A 1 HETATM 18 C C6' BAO . . . D 4 43.733 27.411 46.526 0.36 47.2 ? C6' BAO 246 A 1 HETATM 19 C C7' BAO . . . D 4 43.268 28.206 44.233 0.36 47.42 ? C7' BAO 246 A 1 HETATM 20 N N1' BAO . . . D 4 43.949 29.364 44.385 0.36 47.39 ? N1' BAO 246 A 1 HETATM 21 N N2' BAO . . . D 4 42.453 28.039 43.178 0.36 47.85 ? N2' BAO 246 A 1 HETATM 22 N N3' BAO . . . D 4 43.915 24.162 48.018 0.36 46.14 ? N3' BAO 246 A 1 HETATM 23 N N4' BAO . . . D 4 44.197 26.372 48.705 0.36 47.33 ? N4' BAO 246 A 1 HETATM 24 C C8' BAO . . . D 4 44.199 25.059 48.99 0.36 47.29 ? C8' BAO 246 A 1 HETATM 25 C C9 BAO . . . D 4 44.648 24.766 50.312 0.36 48.3 ? C9 BAO 246 A 1 HETATM 26 O O9 BAO . . . D 4 44.521 25.667 51.16 0.36 47.38 ? O9 BAO 246 A 1 HETATM 27 H HN1 BAO . . . D 4 46.787 18.351 55.639 1 0 ? HN1 BAO 246 A 1 HETATM 28 H HN21 BAO . . . D 4 45.639 16.677 54.427 1 0 ? HN21 BAO 246 A 1 HETATM 29 H HN22 BAO . . . D 4 44.823 17.092 52.979 1 0 ? HN22 BAO 246 A 1 HETATM 30 H H1' BAO . . . D 4 43.957 30.103 43.706 0.36 0 ? H1' BAO 246 A 1 HETATM 31 H "H2'1" BAO . . . D 4 42.33 28.714 42.446 0.36 0 ? "H2'1" BAO 246 A 1 HETATM 32 H "H2'2" BAO . . . D 4 41.963 27.165 43.07 0.36 0 ? "H2'2" BAO 246 A 1 HETATM 33 H HN4' BAO . . . D 4 44.277 27.064 49.392 0.36 0 ? HN4' BAO 246 A 1 HETATM 34 H H12' BAO . . . D 4 44.609 29.469 45.134 0.36 0 ? H12' BAO 246 A 1 HETATM 35 H HN12 BAO . . . D 4 47.041 19.848 54.852 1 0 ? HN12 BAO 246 A 1 HETATM 36 H HN3 BAO . . . D 4 44.27 22.371 49.022 1 0 ? HN3 BAO 246 A 1 # _model_server_stats.io_time_ms 8 _model_server_stats.parse_time_ms 8 _model_server_stats.create_model_time_ms 6 _model_server_stats.query_time_ms 279 _model_server_stats.encode_time_ms 7 _model_server_stats.element_count 36 #