data_8Z9H # _model_server_result.job_id E10ywaGnHCzBJC_j-7e2Ew _model_server_result.datetime_utc '2025-02-22 19:45:20' _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 8z9h # _model_server_params.name atom_site _model_server_params.value '{"label_asym_id":"L","auth_seq_id":1}' # _entry.id 8Z9H # _exptl.entry_id 8Z9H _exptl.method 'ELECTRON MICROSCOPY' # _entity.details ? _entity.formula_weight 801.468 _entity.id 7 _entity.src_method syn _entity.type non-polymer _entity.pdbx_description "7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-ADENOSINE" _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 8Z9H _cell.length_a 1 _cell.length_b 1 _cell.length_c 1 _cell.Z_PDB ? _cell.pdbx_unique_axis ? # _symmetry.entry_id 8Z9H _symmetry.cell_setting ? _symmetry.Int_Tables_number 1 _symmetry.space_group_name_Hall ? _symmetry.space_group_name_H-M 'P 1' # _pdbx_struct_assembly.method_details ? _pdbx_struct_assembly.oligomeric_details 11-meric _pdbx_struct_assembly.oligomeric_count 11 _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,G,H,I,J,K,L,M _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 # loop_ _struct_asym.details _struct_asym.entity_id _struct_asym.id _struct_asym.pdbx_modified _struct_asym.pdbx_blank_PDB_chainid_flag ? 7 L N N ? 7 M 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 covale ? covale1 L O16 V9G . G V9G 1 1_555 G P G 1 G G 2 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 1.558 ? covale ? covale2 M O16 V9G . K V9G 1 1_555 K P G 1 K G 2 1_555 ? ? ? ? ? ? ? ? ? ? ? ? 1.559 ? hydrog 'A-A MISPAIR' hydrog1 D N6 A 1 D A 1 1_555 D N3 A 10 D A 10 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog2 D N1 G 2 D G 2 1_555 D N3 C 9 D C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog3 D N2 G 2 D G 2 1_555 D O2 C 9 D C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog4 D O6 G 2 D G 2 1_555 D N4 C 9 D C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog5 D N1 A 3 D A 3 1_555 D N3 U 8 D U 8 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog6 D N6 A 3 D A 3 1_555 D O4 U 8 D U 8 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog 'G-A MISPAIR' hydrog7 D N3 G 4 D G 4 1_555 D N6 A 7 D A 7 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog8 F N3 U 8 F U 8 1_555 G N1 A 9 G A 10 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog9 F O4 U 8 F U 8 1_555 G N6 A 9 G A 10 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog10 F N1 G 9 F G 9 1_555 G N3 C 8 G C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog11 F N2 G 9 F G 9 1_555 G O2 C 8 G C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog12 F O6 G 9 F G 9 1_555 G N4 C 8 G C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog13 F N3 U 10 F U 10 1_555 G N1 A 7 G A 8 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog14 F O4 U 10 F U 10 1_555 G N6 A 7 G A 8 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog15 F N3 U 11 F U 11 1_555 G N1 A 6 G A 7 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog16 F O4 U 11 F U 11 1_555 G N6 A 6 G A 7 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog17 F N3 U 12 F U 12 1_555 G N1 A 5 G A 6 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog18 F O4 U 12 F U 12 1_555 G N6 A 5 G A 6 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog19 F N3 U 13 F U 13 1_555 G N1 A 4 G A 5 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog20 F O4 U 13 F U 13 1_555 G N6 A 4 G A 5 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog21 F N3 U 14 F U 14 1_555 G N1 A 3 G A 4 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog22 F O4 U 14 F U 14 1_555 G N6 A 3 G A 4 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog23 F N1 G 15 F G 15 1_555 G N3 C 2 G C 3 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog24 F N2 G 15 F G 15 1_555 G O2 C 2 G C 3 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog25 F O6 G 15 F G 15 1_555 G N4 C 2 G C 3 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog26 F N3 C 16 F C 16 1_555 G N1 G 1 G G 2 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog27 F N4 C 16 F C 16 1_555 G O6 G 1 G G 2 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog28 F O2 C 16 F C 16 1_555 G N2 G 1 G G 2 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog29 K N1 G 1 K G 2 1_555 K N3 C 8 K C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog30 K N2 G 1 K G 2 1_555 K O2 C 8 K C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog WATSON-CRICK hydrog31 K O6 G 1 K G 2 1_555 K N4 C 8 K C 9 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog 'C-A MISPAIR' hydrog32 K N3 C 2 K C 3 1_555 K N6 A 7 K A 8 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? hydrog 'A-A MISPAIR' hydrog33 K N3 A 4 K A 5 1_555 K N6 A 6 K A 7 1_555 ? ? ? ? ? ? ? ? ? ? ? ? ? ? # _chem_comp.formula 'C22 H32 N10 O17 P3' _chem_comp.formula_weight 801.468 _chem_comp.id V9G _chem_comp.mon_nstd_flag . _chem_comp.name "7-METHYL-GUANOSINE-5'-TRIPHOSPHATE-5'-(2'-O-METHYL)-ADENOSINE" _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 C22 O17 V9G sing 506 n n O17 C15 V9G sing 507 n n O16 C14 V9G sing 508 n n C15 C14 V9G sing 509 n n C15 C16 V9G sing 510 n n C14 C13 V9G sing 511 n n C16 O15 V9G sing 512 n n C16 N6 V9G sing 513 n n C13 O15 V9G sing 514 n n C13 C12 V9G sing 515 n n N10 C20 V9G doub 516 n y N10 C21 V9G sing 517 n y C20 N9 V9G sing 518 n y C21 N6 V9G sing 519 n y C21 C18 V9G doub 520 n y C12 O14 V9G sing 521 n n N6 C17 V9G sing 522 n y N9 C19 V9G doub 523 n y O14 P3 V9G sing 524 n n C17 N7 V9G doub 525 n y C18 C19 V9G sing 526 n y C18 N7 V9G sing 527 n y C19 N8 V9G sing 528 n n O13 P3 V9G doub 529 n n P3 O11 V9G sing 530 n n P3 O12 V9G sing 531 n n O11 P2 V9G sing 532 n n O10 P2 V9G doub 533 n n P2 O7 V9G sing 534 n n P2 O9 V9G sing 535 n n O7 P1 V9G sing 536 n n O5 P1 V9G doub 537 n n O6 P1 V9G sing 538 n n P1 O8 V9G sing 539 n n C3 N2 V9G sing 540 n n O8 C11 V9G sing 541 n n N2 C4 V9G sing 542 n y N2 C2 V9G sing 543 n y O1 C1 V9G doub 544 n n C11 C10 V9G sing 545 n n C4 N3 V9G doub 546 n y C2 C1 V9G sing 547 n n C2 C5 V9G doub 548 n y O2 C9 V9G sing 549 n n C1 N5 V9G sing 550 n n C9 C10 V9G sing 551 n n C9 C8 V9G sing 552 n n C10 O3 V9G sing 553 n n N3 C5 V9G sing 554 n y N3 C7 V9G sing 555 n n O3 C7 V9G sing 556 n n C5 N4 V9G sing 557 n n N5 C6 V9G sing 558 n n C8 C7 V9G sing 559 n n C8 O4 V9G sing 560 n n N4 C6 V9G doub 561 n n C6 N1 V9G sing 562 n n C3 H1 V9G sing 563 n n C3 H2 V9G sing 564 n n C3 H3 V9G sing 565 n n C4 H4 V9G sing 566 n n C8 H5 V9G sing 567 n n C9 H6 V9G sing 568 n n C10 H7 V9G sing 569 n n C11 H8 V9G sing 570 n n C11 H9 V9G sing 571 n n C12 H10 V9G sing 572 n n C12 H11 V9G sing 573 n n C13 H12 V9G sing 574 n n C14 H13 V9G sing 575 n n C15 H14 V9G sing 576 n n C16 H15 V9G sing 577 n n C17 H16 V9G sing 578 n n C20 H17 V9G sing 579 n n C22 H18 V9G sing 580 n n C22 H19 V9G sing 581 n n C22 H20 V9G sing 582 n n C7 H21 V9G sing 583 n n N1 H22 V9G sing 584 n n N1 H23 V9G sing 585 n n N5 H24 V9G sing 586 n n O2 H25 V9G sing 587 n n O4 H26 V9G sing 588 n n O12 H27 V9G sing 589 n n O16 H28 V9G sing 590 n n N8 H29 V9G sing 591 n n N8 H30 V9G sing 592 n n O9 H31 V9G sing 593 n n O6 H32 V9G sing 594 n n # _atom_sites.entry_id 8Z9H _atom_sites.fract_transf_matrix[1][1] 1 _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] 1 _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] 1 _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 L 7 V9G G 1 1 1 V9G V9G . M 7 V9G K 1 1 1 V9G V9G . # 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 V9G . . . L 7 140.427 141.321 119.145 1 108.69 ? C1 V9G 1 G 1 HETATM 2 N N2 V9G . . . L 7 139.573 139.638 117.311 1 106.68 ? N2 V9G 1 G 1 HETATM 3 C C3 V9G . . . L 7 138.092 139.497 117.534 1 104.59 ? C3 V9G 1 G 1 HETATM 4 C C4 V9G . . . L 7 140.177 138.953 116.31 1 97.09 ? C4 V9G 1 G 1 HETATM 5 C C5 V9G . . . L 7 141.714 140.126 117.337 1 105.95 ? C5 V9G 1 G 1 HETATM 6 C C6 V9G . . . L 7 142.874 141.706 118.974 1 104.36 ? C6 V9G 1 G 1 HETATM 7 C C8 V9G . . . L 7 142.63 137.238 115.777 1 109.08 ? C8 V9G 1 G 1 HETATM 8 C C9 V9G . . . L 7 142.764 136.646 114.605 1 104.99 ? C9 V9G 1 G 1 HETATM 9 C C10 V9G . . . L 7 141.78 137.443 113.577 1 96.59 ? C10 V9G 1 G 1 HETATM 10 C C11 V9G . . . L 7 140.422 136.777 113.508 1 100.28 ? C11 V9G 1 G 1 HETATM 11 C C12 V9G . . . L 7 137.604 132.5 117.622 1 112.42 ? C12 V9G 1 G 1 HETATM 12 C C13 V9G . . . L 7 139.031 132.892 117.317 1 108.79 ? C13 V9G 1 G 1 HETATM 13 C C14 V9G . . . L 7 139.976 132.825 118.703 1 106.96 ? C14 V9G 1 G 1 HETATM 14 C C15 V9G . . . L 7 140.933 133.618 118.454 1 108.17 ? C15 V9G 1 G 1 HETATM 15 C C16 V9G . . . L 7 140.218 134.807 117.712 1 108.01 ? C16 V9G 1 G 1 HETATM 16 C C17 V9G . . . L 7 138.434 135.779 119.011 1 109.42 ? C17 V9G 1 G 1 HETATM 17 C C18 V9G . . . L 7 139.618 137.347 119.942 1 105.63 ? C18 V9G 1 G 1 HETATM 18 C C19 V9G . . . L 7 140.123 138.42 120.666 1 100.41 ? C19 V9G 1 G 1 HETATM 19 C C2 V9G . . . L 7 140.505 140.361 117.95 1 110.19 ? C2 V9G 1 G 1 HETATM 20 C C20 V9G . . . L 7 142.23 138.022 119.747 1 103.87 ? C20 V9G 1 G 1 HETATM 21 C C21 V9G . . . L 7 140.431 136.639 119.138 1 107.09 ? C21 V9G 1 G 1 HETATM 22 C C22 V9G . . . L 7 142.838 133.798 116.883 1 102.46 ? C22 V9G 1 G 1 HETATM 23 C C7 V9G . . . L 7 142.338 138.709 115.432 1 103.32 ? C7 V9G 1 G 1 HETATM 24 N N1 V9G . . . L 7 144.069 142.353 119.449 1 103.12 ? N1 V9G 1 G 1 HETATM 25 N N3 V9G . . . L 7 141.505 139.264 116.341 1 102.44 ? N3 V9G 1 G 1 HETATM 26 N N4 V9G . . . L 7 142.943 140.793 117.832 1 102.73 ? N4 V9G 1 G 1 HETATM 27 N N5 V9G . . . L 7 141.608 141.962 119.62 1 104.97 ? N5 V9G 1 G 1 HETATM 28 N N6 V9G . . . L 7 139.696 135.668 118.565 1 109.5 ? N6 V9G 1 G 1 HETATM 29 O O1 V9G . . . L 7 139.39 141.528 119.678 1 108.77 ? O1 V9G 1 G 1 HETATM 30 O O2 V9G . . . L 7 144.12 136.751 114.157 1 100.98 ? O2 V9G 1 G 1 HETATM 31 O O3 V9G . . . L 7 141.654 138.666 114.025 1 100.78 ? O3 V9G 1 G 1 HETATM 32 O O4 V9G . . . L 7 143.905 137.137 116.551 1 106.34 ? O4 V9G 1 G 1 HETATM 33 O O13 V9G . . . L 7 135.851 132.672 115.377 1 115.98 ? O13 V9G 1 G 1 HETATM 34 P P3 V9G . . . L 7 135.66 133.794 116.374 1 127.32 ? P3 V9G 1 G 1 HETATM 35 O O12 V9G . . . L 7 134.291 133.716 116.95 1 114.34 ? O12 V9G 1 G 1 HETATM 36 O O14 V9G . . . L 7 136.775 133.654 117.584 1 118.35 ? O14 V9G 1 G 1 HETATM 37 O O16 V9G . . . L 7 140.483 131.486 118.901 1 107.88 ? O16 V9G 1 G 1 HETATM 38 O O17 V9G . . . L 7 141.899 132.929 117.509 1 109.31 ? O17 V9G 1 G 1 HETATM 39 N N7 V9G . . . L 7 138.384 136.815 119.863 1 106.74 ? N7 V9G 1 G 1 HETATM 40 N N8 V9G . . . L 7 139.647 139.456 121.64 1 96.76 ? N8 V9G 1 G 1 HETATM 41 N N9 V9G . . . L 7 141.407 138.744 120.564 1 98.77 ? N9 V9G 1 G 1 HETATM 42 N N10 V9G . . . L 7 141.736 136.97 119.035 1 106.67 ? N10 V9G 1 G 1 HETATM 43 O O15 V9G . . . L 7 139.078 134.11 116.905 1 112.54 ? O15 V9G 1 G 1 HETATM 44 O O11 V9G . . . L 7 135.848 135.246 115.609 1 112.26 ? O11 V9G 1 G 1 HETATM 45 P P2 V9G . . . L 7 137.24 135.687 114.794 1 114.84 ? P2 V9G 1 G 1 HETATM 46 O O9 V9G . . . L 7 136.873 136.51 113.569 1 109.11 ? O9 V9G 1 G 1 HETATM 47 O O10 V9G . . . L 7 138.121 136.515 115.725 1 105.08 ? O10 V9G 1 G 1 HETATM 48 O O7 V9G . . . L 7 138.029 134.344 114.33 1 117.88 ? O7 V9G 1 G 1 HETATM 49 P P1 V9G . . . L 7 139.422 134.315 113.468 1 126.82 ? P1 V9G 1 G 1 HETATM 50 O O5 V9G . . . L 7 140.052 132.934 113.589 1 115.01 ? O5 V9G 1 G 1 HETATM 51 O O6 V9G . . . L 7 139.115 134.6 112.006 1 112.16 ? O6 V9G 1 G 1 HETATM 52 O O8 V9G . . . L 7 140.491 135.454 114.038 1 114.09 ? O8 V9G 1 G 1 # _model_server_stats.io_time_ms 17 _model_server_stats.parse_time_ms 22 _model_server_stats.create_model_time_ms 28 _model_server_stats.query_time_ms 297 _model_server_stats.encode_time_ms 8 _model_server_stats.element_count 52 #