data_6YOH # _model_server_result.job_id 3M2B-GGuPQ61nF9KGqCpjw _model_server_result.datetime_utc '2024-11-30 20:09:43' _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 6yoh # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"E","auth_seq_id":201}' # _entry.id 6YOH # _exptl.entry_id 6YOH _exptl.method 'X-RAY DIFFRACTION' # _entity.details ? _entity.formula_weight 40.078 _entity.id 2 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description 'CALCIUM ION' _entity.pdbx_number_of_molecules 4 _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 6YOH _cell.length_a 48.222 _cell.length_b 76.066 _cell.length_c 107.148 _cell.Z_PDB 16 _cell.pdbx_unique_axis ? # _symmetry.entry_id 6YOH _symmetry.cell_setting ? _symmetry.Int_Tables_number 18 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 21 2 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 PISA dimeric 2 author_and_software_defined_assembly 1 PISA dimeric 2 author_and_software_defined_assembly 2 # loop_ _pdbx_struct_assembly_gen.asym_id_list _pdbx_struct_assembly_gen.assembly_id _pdbx_struct_assembly_gen.oper_expression A,D,E,F,J,K,L,O 1 1 B,C,G,H,I,M,N 2 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 ? 2 E N N ? 2 G N N ? 2 I N N ? 2 J 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 metalc ? metalc1 A O TYR 36 A TYR 36 1_555 E CA CA . A CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.182 ? metalc ? metalc2 A OD2 ASP 100 A ASP 100 1_555 E CA CA . A CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.516 ? metalc ? metalc3 A O THR 104 A THR 104 1_555 E CA CA . A CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.22 ? metalc ? metalc4 A OD1 ASN 107 A ASN 107 1_555 E CA CA . A CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.387 ? metalc ? metalc5 A OD1 ASN 108 A ASN 108 1_555 E CA CA . A CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.382 ? metalc ? metalc6 B O TYR 36 B TYR 36 1_555 G CA CA . B CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.171 ? metalc ? metalc7 B OD2 ASP 100 B ASP 100 1_555 G CA CA . B CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.492 ? metalc ? metalc8 B O THR 104 B THR 104 1_555 G CA CA . B CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.286 ? metalc ? metalc9 B OD1 ASN 107 B ASN 107 1_555 G CA CA . B CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.432 ? metalc ? metalc10 B OD1 ASN 108 B ASN 108 1_555 G CA CA . B CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.428 ? metalc ? metalc11 G CA CA . B CA 201 1_555 M O HOH . B HOH 308 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.202 ? metalc ? metalc12 C O TYR 36 C TYR 36 1_555 I CA CA . C CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.364 ? metalc ? metalc13 C OD2 ASP 100 C ASP 100 1_555 I CA CA . C CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.303 ? metalc ? metalc14 C O THR 104 C THR 104 1_555 I CA CA . C CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.463 ? metalc ? metalc15 C OG1 THR 104 C THR 104 1_555 I CA CA . C CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 3.17 ? metalc ? metalc16 C OD1 ASN 107 C ASN 107 1_555 I CA CA . C CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.929 ? metalc ? metalc17 C OD1 ASN 108 C ASN 108 1_555 I CA CA . C CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.959 ? metalc ? metalc18 D O TYR 36 D TYR 36 1_555 J CA CA . D CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.269 ? metalc ? metalc19 D OD2 ASP 100 D ASP 100 1_555 J CA CA . D CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.377 ? metalc ? metalc20 D O THR 104 D THR 104 1_555 J CA CA . D CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.213 ? metalc ? metalc21 D OD1 ASN 107 D ASN 107 1_555 J CA CA . D CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.514 ? metalc ? metalc22 D OD1 ASN 108 D ASN 108 1_555 J CA CA . D CA 201 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 2.481 ? # _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 6YOH _atom_sites.fract_transf_matrix[1][1] 0.020737 _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] 0.013146 _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] 0.009333 _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 E 2 CA A 1 201 201 CA CA . F 3 P4H A 1 202 301 P4H c54 . G 2 CA B 1 201 201 CA CA . H 3 P4H B 1 202 301 P4H c54 . I 2 CA C 1 201 201 CA CA . J 2 CA D 1 201 201 CA CA . K 3 P4H D 1 202 301 P4H c54 . L 4 HOH A 1 301 89 HOH HOH . L 4 HOH A 2 302 134 HOH HOH . L 4 HOH A 3 303 243 HOH HOH . L 4 HOH A 4 304 120 HOH HOH . L 4 HOH A 5 305 240 HOH HOH . L 4 HOH A 6 306 154 HOH HOH . L 4 HOH A 7 307 21 HOH HOH . L 4 HOH A 8 308 53 HOH HOH . L 4 HOH A 9 309 178 HOH HOH . L 4 HOH A 10 310 143 HOH HOH . L 4 HOH A 11 311 55 HOH HOH . L 4 HOH A 12 312 166 HOH HOH . L 4 HOH A 13 313 165 HOH HOH . L 4 HOH A 14 314 180 HOH HOH . L 4 HOH A 15 315 108 HOH HOH . L 4 HOH A 16 316 174 HOH HOH . L 4 HOH A 17 317 75 HOH HOH . L 4 HOH A 18 318 12 HOH HOH . L 4 HOH A 19 319 61 HOH HOH . L 4 HOH A 20 320 99 HOH HOH . L 4 HOH A 21 321 31 HOH HOH . L 4 HOH A 22 322 135 HOH HOH . L 4 HOH A 23 323 14 HOH HOH . L 4 HOH A 24 324 179 HOH HOH . L 4 HOH A 25 325 38 HOH HOH . L 4 HOH A 26 326 152 HOH HOH . L 4 HOH A 27 327 59 HOH HOH . L 4 HOH A 28 328 33 HOH HOH . L 4 HOH A 29 329 164 HOH HOH . L 4 HOH A 30 330 9 HOH HOH . L 4 HOH A 31 331 167 HOH HOH . L 4 HOH A 32 332 36 HOH HOH . L 4 HOH A 33 333 46 HOH HOH . L 4 HOH A 34 334 67 HOH HOH . L 4 HOH A 35 335 116 HOH HOH . L 4 HOH A 36 336 74 HOH HOH . L 4 HOH A 37 337 26 HOH HOH . L 4 HOH A 38 338 168 HOH HOH . L 4 HOH A 39 339 47 HOH HOH . L 4 HOH A 40 340 58 HOH HOH . L 4 HOH A 41 341 123 HOH HOH . L 4 HOH A 42 342 225 HOH HOH . L 4 HOH A 43 343 8 HOH HOH . L 4 HOH A 44 344 48 HOH HOH . L 4 HOH A 45 345 62 HOH HOH . L 4 HOH A 46 346 66 HOH HOH . L 4 HOH A 47 347 235 HOH HOH . L 4 HOH A 48 348 242 HOH HOH . L 4 HOH A 49 349 124 HOH HOH . L 4 HOH A 50 350 236 HOH HOH . L 4 HOH A 51 351 64 HOH HOH . L 4 HOH A 52 352 241 HOH HOH . L 4 HOH A 53 353 171 HOH HOH . L 4 HOH A 54 354 87 HOH HOH . L 4 HOH A 55 355 15 HOH HOH . L 4 HOH A 56 356 177 HOH HOH . L 4 HOH A 57 357 176 HOH HOH . L 4 HOH A 58 358 72 HOH HOH . L 4 HOH A 59 359 68 HOH HOH . L 4 HOH A 60 360 112 HOH HOH . L 4 HOH A 61 361 25 HOH HOH . L 4 HOH A 62 362 65 HOH HOH . L 4 HOH A 63 363 149 HOH HOH . L 4 HOH A 64 364 202 HOH HOH . L 4 HOH A 65 365 3 HOH HOH . L 4 HOH A 66 366 2 HOH HOH . L 4 HOH A 67 367 237 HOH HOH . L 4 HOH A 68 368 147 HOH HOH . L 4 HOH A 69 369 169 HOH HOH . L 4 HOH A 70 370 203 HOH HOH . L 4 HOH A 71 371 140 HOH HOH . L 4 HOH A 72 372 81 HOH HOH . L 4 HOH A 73 373 224 HOH HOH . L 4 HOH A 74 374 238 HOH HOH . L 4 HOH A 75 375 244 HOH HOH . L 4 HOH A 76 376 226 HOH HOH . L 4 HOH A 77 377 146 HOH HOH . L 4 HOH A 78 378 144 HOH HOH . L 4 HOH A 79 379 175 HOH HOH . L 4 HOH A 80 380 163 HOH HOH . M 4 HOH B 1 301 104 HOH HOH . M 4 HOH B 2 302 132 HOH HOH . M 4 HOH B 3 303 27 HOH HOH . M 4 HOH B 4 304 198 HOH HOH . M 4 HOH B 5 305 182 HOH HOH . M 4 HOH B 6 306 96 HOH HOH . M 4 HOH B 7 307 6 HOH HOH . M 4 HOH B 8 308 91 HOH HOH . M 4 HOH B 9 309 193 HOH HOH . M 4 HOH B 10 310 51 HOH HOH . M 4 HOH B 11 311 130 HOH HOH . M 4 HOH B 12 312 136 HOH HOH . M 4 HOH B 13 313 39 HOH HOH . M 4 HOH B 14 314 201 HOH HOH . M 4 HOH B 15 315 185 HOH HOH . M 4 HOH B 16 316 76 HOH HOH . M 4 HOH B 17 317 188 HOH HOH . M 4 HOH B 18 318 73 HOH HOH . M 4 HOH B 19 319 92 HOH HOH . M 4 HOH B 20 320 221 HOH HOH . M 4 HOH B 21 321 223 HOH HOH . M 4 HOH B 22 322 186 HOH HOH . M 4 HOH B 23 323 94 HOH HOH . M 4 HOH B 24 324 191 HOH HOH . M 4 HOH B 25 325 183 HOH HOH . M 4 HOH B 26 326 131 HOH HOH . M 4 HOH B 27 327 7 HOH HOH . M 4 HOH B 28 328 88 HOH HOH . M 4 HOH B 29 329 234 HOH HOH . M 4 HOH B 30 330 220 HOH HOH . M 4 HOH B 31 331 82 HOH HOH . M 4 HOH B 32 332 86 HOH HOH . M 4 HOH B 33 333 195 HOH HOH . M 4 HOH B 34 334 34 HOH HOH . M 4 HOH B 35 335 70 HOH HOH . M 4 HOH B 36 336 125 HOH HOH . M 4 HOH B 37 337 192 HOH HOH . M 4 HOH B 38 338 90 HOH HOH . M 4 HOH B 39 339 101 HOH HOH . M 4 HOH B 40 340 200 HOH HOH . M 4 HOH B 41 341 80 HOH HOH . M 4 HOH B 42 342 100 HOH HOH . M 4 HOH B 43 343 110 HOH HOH . M 4 HOH B 44 344 196 HOH HOH . M 4 HOH B 45 345 148 HOH HOH . M 4 HOH B 46 346 197 HOH HOH . M 4 HOH B 47 347 97 HOH HOH . M 4 HOH B 48 348 222 HOH HOH . M 4 HOH B 49 349 127 HOH HOH . M 4 HOH B 50 350 28 HOH HOH . M 4 HOH B 51 351 71 HOH HOH . M 4 HOH B 52 352 119 HOH HOH . M 4 HOH B 53 353 156 HOH HOH . M 4 HOH B 54 354 155 HOH HOH . M 4 HOH B 55 355 49 HOH HOH . M 4 HOH B 56 356 50 HOH HOH . M 4 HOH B 57 357 5 HOH HOH . M 4 HOH B 58 358 230 HOH HOH . M 4 HOH B 59 359 106 HOH HOH . M 4 HOH B 60 360 98 HOH HOH . M 4 HOH B 61 361 63 HOH HOH . M 4 HOH B 62 362 32 HOH HOH . M 4 HOH B 63 363 107 HOH HOH . M 4 HOH B 64 364 1 HOH HOH . M 4 HOH B 65 365 95 HOH HOH . M 4 HOH B 66 366 199 HOH HOH . M 4 HOH B 67 367 122 HOH HOH . M 4 HOH B 68 368 190 HOH HOH . M 4 HOH B 69 369 233 HOH HOH . N 4 HOH C 1 301 194 HOH HOH . N 4 HOH C 2 302 113 HOH HOH . N 4 HOH C 3 303 105 HOH HOH . N 4 HOH C 4 304 206 HOH HOH . N 4 HOH C 5 305 30 HOH HOH . N 4 HOH C 6 306 187 HOH HOH . N 4 HOH C 7 307 181 HOH HOH . N 4 HOH C 8 308 115 HOH HOH . N 4 HOH C 9 309 29 HOH HOH . N 4 HOH C 10 310 78 HOH HOH . N 4 HOH C 11 311 219 HOH HOH . N 4 HOH C 12 312 24 HOH HOH . N 4 HOH C 13 313 161 HOH HOH . N 4 HOH C 14 314 19 HOH HOH . N 4 HOH C 15 315 52 HOH HOH . N 4 HOH C 16 316 189 HOH HOH . N 4 HOH C 17 317 158 HOH HOH . N 4 HOH C 18 318 56 HOH HOH . N 4 HOH C 19 319 54 HOH HOH . N 4 HOH C 20 320 157 HOH HOH . N 4 HOH C 21 321 126 HOH HOH . N 4 HOH C 22 322 121 HOH HOH . N 4 HOH C 23 323 114 HOH HOH . N 4 HOH C 24 324 205 HOH HOH . N 4 HOH C 25 325 229 HOH HOH . N 4 HOH C 26 326 37 HOH HOH . N 4 HOH C 27 327 208 HOH HOH . N 4 HOH C 28 328 20 HOH HOH . N 4 HOH C 29 329 17 HOH HOH . N 4 HOH C 30 330 207 HOH HOH . N 4 HOH C 31 331 204 HOH HOH . N 4 HOH C 32 332 218 HOH HOH . N 4 HOH C 33 333 40 HOH HOH . N 4 HOH C 34 334 228 HOH HOH . N 4 HOH C 35 335 232 HOH HOH . O 4 HOH D 1 301 60 HOH HOH . O 4 HOH D 2 302 57 HOH HOH . O 4 HOH D 3 303 13 HOH HOH . O 4 HOH D 4 304 111 HOH HOH . O 4 HOH D 5 305 79 HOH HOH . O 4 HOH D 6 306 4 HOH HOH . O 4 HOH D 7 307 129 HOH HOH . O 4 HOH D 8 308 216 HOH HOH . O 4 HOH D 9 309 239 HOH HOH . O 4 HOH D 10 310 145 HOH HOH . O 4 HOH D 11 311 159 HOH HOH . O 4 HOH D 12 312 93 HOH HOH . O 4 HOH D 13 313 211 HOH HOH . O 4 HOH D 14 314 137 HOH HOH . O 4 HOH D 15 315 45 HOH HOH . O 4 HOH D 16 316 16 HOH HOH . O 4 HOH D 17 317 18 HOH HOH . O 4 HOH D 18 318 109 HOH HOH . O 4 HOH D 19 319 41 HOH HOH . O 4 HOH D 20 320 170 HOH HOH . O 4 HOH D 21 321 142 HOH HOH . O 4 HOH D 22 322 83 HOH HOH . O 4 HOH D 23 323 35 HOH HOH . O 4 HOH D 24 324 139 HOH HOH . O 4 HOH D 25 325 44 HOH HOH . O 4 HOH D 26 326 43 HOH HOH . O 4 HOH D 27 327 184 HOH HOH . O 4 HOH D 28 328 214 HOH HOH . O 4 HOH D 29 329 117 HOH HOH . O 4 HOH D 30 330 162 HOH HOH . O 4 HOH D 31 331 11 HOH HOH . O 4 HOH D 32 332 227 HOH HOH . O 4 HOH D 33 333 209 HOH HOH . O 4 HOH D 34 334 77 HOH HOH . O 4 HOH D 35 335 102 HOH HOH . O 4 HOH D 36 336 151 HOH HOH . O 4 HOH D 37 337 215 HOH HOH . O 4 HOH D 38 338 69 HOH HOH . O 4 HOH D 39 339 160 HOH HOH . O 4 HOH D 40 340 84 HOH HOH . O 4 HOH D 41 341 213 HOH HOH . O 4 HOH D 42 342 85 HOH HOH . O 4 HOH D 43 343 212 HOH HOH . O 4 HOH D 44 344 118 HOH HOH . O 4 HOH D 45 345 210 HOH HOH . O 4 HOH D 46 346 22 HOH HOH . O 4 HOH D 47 347 133 HOH HOH . O 4 HOH D 48 348 23 HOH HOH . O 4 HOH D 49 349 150 HOH HOH . O 4 HOH D 50 350 10 HOH HOH . O 4 HOH D 51 351 217 HOH HOH . O 4 HOH D 52 352 153 HOH HOH . O 4 HOH D 53 353 138 HOH HOH . O 4 HOH D 54 354 42 HOH HOH . O 4 HOH D 55 355 173 HOH HOH . O 4 HOH D 56 356 141 HOH HOH . O 4 HOH D 57 357 103 HOH HOH . O 4 HOH D 58 358 172 HOH HOH . O 4 HOH D 59 359 128 HOH HOH . O 4 HOH D 60 360 231 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 E _atom_site.label_entity_id 2 _atom_site.Cartn_x 4.897 _atom_site.Cartn_y -36.029 _atom_site.Cartn_z -33.278 _atom_site.occupancy 1 _atom_site.B_iso_or_equiv 19.82 _atom_site.pdbx_formal_charge ? _atom_site.auth_atom_id CA _atom_site.auth_comp_id CA _atom_site.auth_seq_id 201 _atom_site.auth_asym_id A _atom_site.pdbx_PDB_model_num 1 # _model_server_stats.io_time_ms 19 _model_server_stats.parse_time_ms 11 _model_server_stats.create_model_time_ms 17 _model_server_stats.query_time_ms 386 _model_server_stats.encode_time_ms 5 _model_server_stats.element_count 1 #