data_3IBK
# 
_entry.id   3IBK 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.380 
_audit_conform.dict_location   http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 
# 
loop_
_database_2.database_id 
_database_2.database_code 
_database_2.pdbx_database_accession 
_database_2.pdbx_DOI 
PDB   3IBK         pdb_00003ibk 10.2210/pdb3ibk/pdb 
NDB   NA0091       ?            ?                   
RCSB  RCSB054207   ?            ?                   
WWPDB D_1000054207 ?            ?                   
# 
_pdbx_database_status.entry_id                        3IBK 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    PDBJ 
_pdbx_database_status.recvd_initial_deposition_date   2009-07-16 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.SG_entry                        ? 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Collie, G.W.'    1 
'Neidle, S.'      2 
'Parkinson, G.N.' 3 
# 
_citation.id                        primary 
_citation.title                     'A crystallographic and modelling study of a human telomeric RNA (TERRA) quadruplex' 
_citation.journal_abbrev            'Nucleic Acids Res.' 
_citation.journal_volume            38 
_citation.page_first                5569 
_citation.page_last                 5580 
_citation.year                      2010 
_citation.journal_id_ASTM           NARHAD 
_citation.country                   UK 
_citation.journal_id_ISSN           0305-1048 
_citation.journal_id_CSD            0389 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   20413582 
_citation.pdbx_database_id_DOI      10.1093/nar/gkq259 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Collie, G.W.'    1 ? 
primary 'Haider, S.M.'    2 ? 
primary 'Neidle, S.'      3 ? 
primary 'Parkinson, G.N.' 4 ? 
# 
_cell.length_a           57.583 
_cell.length_b           57.583 
_cell.length_c           38.377 
_cell.angle_alpha        90.000 
_cell.angle_beta         90.000 
_cell.angle_gamma        120.000 
_cell.entry_id           3IBK 
_cell.pdbx_unique_axis   ? 
_cell.Z_PDB              12 
_cell.length_a_esd       ? 
_cell.length_b_esd       ? 
_cell.length_c_esd       ? 
_cell.angle_alpha_esd    ? 
_cell.angle_beta_esd     ? 
_cell.angle_gamma_esd    ? 
# 
_symmetry.space_group_name_H-M             'P 31 2 1' 
_symmetry.entry_id                         3IBK 
_symmetry.Int_Tables_number                152 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.space_group_name_Hall            ? 
# 
loop_
_entity.id 
_entity.type 
_entity.src_method 
_entity.pdbx_description 
_entity.formula_weight 
_entity.pdbx_number_of_molecules 
_entity.pdbx_ec 
_entity.pdbx_mutation 
_entity.pdbx_fragment 
_entity.details 
1 polymer     syn 
;RNA (5'-R(*(5BU)P*AP*GP*GP*GP*UP*UP*AP*GP*GP*GP*U)-3')
;
3988.248 2  ? ? ? ? 
2 non-polymer syn 'POTASSIUM ION'                                          39.098   2  ? ? ? ? 
3 water       nat water                                                    18.015   45 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       '(5BU)AGGGUUAGGGU' 
_entity_poly.pdbx_seq_one_letter_code_can   UAGGGUUAGGGU 
_entity_poly.pdbx_strand_id                 A,B 
_entity_poly.pdbx_target_identifier         ? 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  5BU n 
1 2  A   n 
1 3  G   n 
1 4  G   n 
1 5  G   n 
1 6  U   n 
1 7  U   n 
1 8  A   n 
1 9  G   n 
1 10 G   n 
1 11 G   n 
1 12 U   n 
# 
_pdbx_entity_src_syn.entity_id              1 
_pdbx_entity_src_syn.pdbx_src_id            1 
_pdbx_entity_src_syn.pdbx_alt_source_flag   sample 
_pdbx_entity_src_syn.pdbx_beg_seq_num       ? 
_pdbx_entity_src_syn.pdbx_end_seq_num       ? 
_pdbx_entity_src_syn.organism_scientific    ? 
_pdbx_entity_src_syn.organism_common_name   ? 
_pdbx_entity_src_syn.ncbi_taxonomy_id       ? 
_pdbx_entity_src_syn.details                'This sequence occurs naturally in humans' 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    3IBK 
_struct_ref.pdbx_db_accession          3IBK 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_align_begin           ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_db_isoform            ? 
# 
loop_
_struct_ref_seq.align_id 
_struct_ref_seq.ref_id 
_struct_ref_seq.pdbx_PDB_id_code 
_struct_ref_seq.pdbx_strand_id 
_struct_ref_seq.seq_align_beg 
_struct_ref_seq.pdbx_seq_align_beg_ins_code 
_struct_ref_seq.seq_align_end 
_struct_ref_seq.pdbx_seq_align_end_ins_code 
_struct_ref_seq.pdbx_db_accession 
_struct_ref_seq.db_align_beg 
_struct_ref_seq.pdbx_db_align_beg_ins_code 
_struct_ref_seq.db_align_end 
_struct_ref_seq.pdbx_db_align_end_ins_code 
_struct_ref_seq.pdbx_auth_seq_align_beg 
_struct_ref_seq.pdbx_auth_seq_align_end 
1 1 3IBK A 1 ? 12 ? 3IBK 1  ? 12 ? 1  12 
2 1 3IBK B 1 ? 12 ? 3IBK 13 ? 24 ? 13 24 
# 
loop_
_chem_comp.id 
_chem_comp.type 
_chem_comp.mon_nstd_flag 
_chem_comp.name 
_chem_comp.pdbx_synonyms 
_chem_comp.formula 
_chem_comp.formula_weight 
5BU 'RNA linking' n "5-BROMO-URIDINE-5'-MONOPHOSPHATE" ? 'C9 H12 Br N2 O9 P' 403.077 
A   'RNA linking' y "ADENOSINE-5'-MONOPHOSPHATE"       ? 'C10 H14 N5 O7 P'   347.221 
G   'RNA linking' y "GUANOSINE-5'-MONOPHOSPHATE"       ? 'C10 H14 N5 O8 P'   363.221 
HOH non-polymer   . WATER                              ? 'H2 O'              18.015  
K   non-polymer   . 'POTASSIUM ION'                    ? 'K 1'               39.098  
U   'RNA linking' y "URIDINE-5'-MONOPHOSPHATE"         ? 'C9 H13 N2 O9 P'    324.181 
# 
_exptl.crystals_number   1 
_exptl.entry_id          3IBK 
_exptl.method            'X-RAY DIFFRACTION' 
# 
_exptl_crystal.id                    1 
_exptl_crystal.pdbx_mosaicity        1.480 
_exptl_crystal.pdbx_mosaicity_esd    ? 
_exptl_crystal.density_Matthews      2.30 
_exptl_crystal.density_diffrn        ? 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_meas_temp     ? 
_exptl_crystal.density_percent_sol   46.58 
_exptl_crystal.size_max              ? 
_exptl_crystal.size_mid              ? 
_exptl_crystal.size_min              ? 
_exptl_crystal.size_rad              ? 
_exptl_crystal.description           ? 
_exptl_crystal.F_000                 ? 
_exptl_crystal.preparation           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.pH              6.5 
_exptl_crystal_grow.temp            285 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pdbx_details    
'MPD, , KCl, NaCl, NaCacodylate, polyamine, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K' 
_exptl_crystal_grow.pdbx_pH_range   . 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           105 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               CCD 
_diffrn_detector.type                   'OXFORD TITAN CCD' 
_diffrn_detector.pdbx_collection_date   2009-06-08 
_diffrn_detector.details                ? 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   1.5418 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      'SEALED TUBE' 
_diffrn_source.type                        'OXFORD DIFFRACTION ENHANCE ULTRA' 
_diffrn_source.pdbx_wavelength             ? 
_diffrn_source.pdbx_wavelength_list        1.5418 
_diffrn_source.pdbx_synchrotron_site       ? 
_diffrn_source.pdbx_synchrotron_beamline   ? 
# 
_reflns.entry_id                     3IBK 
_reflns.d_resolution_high            2.200 
_reflns.d_resolution_low             49.869 
_reflns.number_all                   ? 
_reflns.number_obs                   3912 
_reflns.pdbx_Rsym_value              0.046 
_reflns.pdbx_redundancy              6.300 
_reflns.percent_possible_obs         99.400 
_reflns.observed_criterion_sigma_F   2.0 
_reflns.observed_criterion_sigma_I   2.0 
_reflns.pdbx_Rmerge_I_obs            ? 
_reflns.pdbx_netI_over_sigmaI        ? 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.R_free_details               ? 
_reflns.limit_h_max                  ? 
_reflns.limit_h_min                  ? 
_reflns.limit_k_max                  ? 
_reflns.limit_k_min                  ? 
_reflns.limit_l_max                  ? 
_reflns.limit_l_min                  ? 
_reflns.observed_criterion_F_max     ? 
_reflns.observed_criterion_F_min     ? 
_reflns.pdbx_chi_squared             ? 
_reflns.pdbx_scaling_rejects         ? 
_reflns.pdbx_ordinal                 1 
_reflns.pdbx_diffrn_id               1 
# 
_reflns_shell.d_res_high             2.20 
_reflns_shell.d_res_low              2.28 
_reflns_shell.percent_possible_obs   ? 
_reflns_shell.percent_possible_all   97.3 
_reflns_shell.Rmerge_I_obs           ? 
_reflns_shell.meanI_over_sigI_obs    4.54 
_reflns_shell.pdbx_Rsym_value        0.24 
_reflns_shell.pdbx_redundancy        6.0 
_reflns_shell.number_unique_all      ? 
_reflns_shell.number_measured_all    ? 
_reflns_shell.number_measured_obs    ? 
_reflns_shell.number_unique_obs      ? 
_reflns_shell.pdbx_chi_squared       ? 
_reflns_shell.pdbx_ordinal           1 
_reflns_shell.pdbx_diffrn_id         1 
# 
_refine.entry_id                                 3IBK 
_refine.ls_d_res_high                            2.200 
_refine.ls_d_res_low                             11.690 
_refine.pdbx_ls_sigma_F                          0.00 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.ls_percent_reflns_obs                    99.970 
_refine.ls_number_reflns_obs                     3899 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_cross_valid_method               THROUGHOUT 
_refine.pdbx_R_Free_selection_details            RANDOM 
_refine.details                                  'HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES: RESIDUAL ONLY' 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_obs                          0.216 
_refine.ls_R_factor_R_work                       0.215 
_refine.ls_wR_factor_R_work                      ? 
_refine.ls_R_factor_R_free                       0.231 
_refine.ls_wR_factor_R_free                      ? 
_refine.ls_percent_reflns_R_free                 4.500 
_refine.ls_number_reflns_R_free                  176 
_refine.ls_R_factor_R_free_error                 ? 
_refine.B_iso_mean                               24.257 
_refine.solvent_model_param_bsol                 ? 
_refine.solvent_model_param_ksol                 ? 
_refine.pdbx_isotropic_thermal_model             Isotropic 
_refine.aniso_B[1][1]                            -0.160 
_refine.aniso_B[2][2]                            -0.160 
_refine.aniso_B[3][3]                            0.250 
_refine.aniso_B[1][2]                            -0.080 
_refine.aniso_B[1][3]                            0.000 
_refine.aniso_B[2][3]                            0.000 
_refine.correlation_coeff_Fo_to_Fc               0.954 
_refine.correlation_coeff_Fo_to_Fc_free          0.945 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_refine.pdbx_overall_ESU_R                       0.255 
_refine.pdbx_overall_ESU_R_Free                  0.187 
_refine.overall_SU_ML                            0.142 
_refine.overall_SU_B                             9.780 
_refine.solvent_model_details                    MASK 
_refine.pdbx_solvent_vdw_probe_radii             1.400 
_refine.pdbx_solvent_ion_probe_radii             0.800 
_refine.pdbx_solvent_shrinkage_radii             0.800 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.pdbx_starting_model                      'PDB entry 1K8P' 
_refine.pdbx_method_to_determine_struct          'MOLECULAR REPLACEMENT' 
_refine.pdbx_stereochemistry_target_values       'MAXIMUM LIKELIHOOD' 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.overall_FOM_work_R_set                   ? 
_refine.B_iso_max                                50.12 
_refine.B_iso_min                                8.61 
_refine.occupancy_max                            1.00 
_refine.occupancy_min                            0.00 
_refine.pdbx_ls_sigma_I                          ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.overall_FOM_free_R_set                   ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_overall_phase_error                 ? 
_refine.pdbx_TLS_residual_ADP_flag               'LIKELY RESIDUAL' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
# 
_refine_hist.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_hist.cycle_id                         LAST 
_refine_hist.pdbx_number_atoms_protein        0 
_refine_hist.pdbx_number_atoms_nucleic_acid   520 
_refine_hist.pdbx_number_atoms_ligand         2 
_refine_hist.number_atoms_solvent             45 
_refine_hist.number_atoms_total               567 
_refine_hist.d_res_high                       2.200 
_refine_hist.d_res_low                        11.690 
# 
loop_
_refine_ls_restr.type 
_refine_ls_restr.number 
_refine_ls_restr.dev_ideal 
_refine_ls_restr.dev_ideal_target 
_refine_ls_restr.weight 
_refine_ls_restr.pdbx_refine_id 
_refine_ls_restr.pdbx_restraint_function 
r_bond_refined_d     497 0.013 0.021 ? 'X-RAY DIFFRACTION' ? 
r_angle_refined_deg  774 0.859 3.000 ? 'X-RAY DIFFRACTION' ? 
r_chiral_restr       99  0.058 0.200 ? 'X-RAY DIFFRACTION' ? 
r_gen_planes_refined 224 0.023 0.020 ? 'X-RAY DIFFRACTION' ? 
r_scbond_it          497 2.555 3.000 ? 'X-RAY DIFFRACTION' ? 
r_scangle_it         774 3.630 4.500 ? 'X-RAY DIFFRACTION' ? 
# 
_refine_ls_shell.d_res_high                       2.200 
_refine_ls_shell.d_res_low                        2.255 
_refine_ls_shell.pdbx_total_number_of_bins_used   20 
_refine_ls_shell.percent_reflns_obs               99.640 
_refine_ls_shell.number_reflns_R_work             266 
_refine_ls_shell.R_factor_all                     ? 
_refine_ls_shell.R_factor_R_work                  0.294 
_refine_ls_shell.R_factor_R_free                  0.196 
_refine_ls_shell.percent_reflns_R_free            ? 
_refine_ls_shell.number_reflns_R_free             13 
_refine_ls_shell.R_factor_R_free_error            ? 
_refine_ls_shell.number_reflns_all                279 
_refine_ls_shell.number_reflns_obs                ? 
_refine_ls_shell.redundancy_reflns_obs            ? 
_refine_ls_shell.pdbx_refine_id                   'X-RAY DIFFRACTION' 
# 
_struct.entry_id                  3IBK 
_struct.title                     'Crystal structure of a telomeric RNA quadruplex' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        3IBK 
_struct_keywords.pdbx_keywords   RNA 
_struct_keywords.text            'rna quadruplex, bimolecular quadruplex, parallel stranded, RNA' 
# 
loop_
_struct_asym.id 
_struct_asym.pdbx_blank_PDB_chainid_flag 
_struct_asym.pdbx_modified 
_struct_asym.entity_id 
_struct_asym.details 
A N N 1 ? 
B N N 1 ? 
C N N 2 ? 
D N N 2 ? 
E N N 3 ? 
F N N 3 ? 
# 
_struct_biol.id        1 
_struct_biol.details   ? 
# 
loop_
_struct_conn.id 
_struct_conn.conn_type_id 
_struct_conn.pdbx_leaving_atom_flag 
_struct_conn.pdbx_PDB_id 
_struct_conn.ptnr1_label_asym_id 
_struct_conn.ptnr1_label_comp_id 
_struct_conn.ptnr1_label_seq_id 
_struct_conn.ptnr1_label_atom_id 
_struct_conn.pdbx_ptnr1_label_alt_id 
_struct_conn.pdbx_ptnr1_PDB_ins_code 
_struct_conn.pdbx_ptnr1_standard_comp_id 
_struct_conn.ptnr1_symmetry 
_struct_conn.ptnr2_label_asym_id 
_struct_conn.ptnr2_label_comp_id 
_struct_conn.ptnr2_label_seq_id 
_struct_conn.ptnr2_label_atom_id 
_struct_conn.pdbx_ptnr2_label_alt_id 
_struct_conn.pdbx_ptnr2_PDB_ins_code 
_struct_conn.ptnr1_auth_asym_id 
_struct_conn.ptnr1_auth_comp_id 
_struct_conn.ptnr1_auth_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_ptnr3_label_atom_id 
_struct_conn.pdbx_ptnr3_label_seq_id 
_struct_conn.pdbx_ptnr3_label_comp_id 
_struct_conn.pdbx_ptnr3_label_asym_id 
_struct_conn.pdbx_ptnr3_label_alt_id 
_struct_conn.pdbx_ptnr3_PDB_ins_code 
_struct_conn.details 
_struct_conn.pdbx_dist_value 
_struct_conn.pdbx_value_order 
_struct_conn.pdbx_role 
covale1  covale both ? A 5BU 1  "O3'" ? ? ? 1_555 A A 2  P  ? ? A 5BU 1  A A 2  1_555 ? ? ? ? ? ? ?           1.594 ? ? 
covale2  covale both ? B 5BU 1  "O3'" ? ? ? 1_555 B A 2  P  ? ? B 5BU 13 B A 14 1_555 ? ? ? ? ? ? ?           1.586 ? ? 
metalc1  metalc ?    ? A G   3  O6    ? ? ? 1_555 D K .  K  ? ? A G   3  A K 14 1_555 ? ? ? ? ? ? ?           2.840 ? ? 
metalc2  metalc ?    ? A G   4  O6    ? ? ? 1_555 C K .  K  ? ? A G   4  A K 13 1_555 ? ? ? ? ? ? ?           2.826 ? ? 
metalc3  metalc ?    ? A G   4  O6    ? ? ? 1_555 D K .  K  ? ? A G   4  A K 14 1_555 ? ? ? ? ? ? ?           2.956 ? ? 
metalc4  metalc ?    ? A G   5  O6    ? ? ? 1_555 C K .  K  ? ? A G   5  A K 13 1_555 ? ? ? ? ? ? ?           2.664 ? ? 
metalc5  metalc ?    ? A G   9  O6    ? ? ? 1_555 D K .  K  ? ? A G   9  A K 14 1_555 ? ? ? ? ? ? ?           2.740 ? ? 
metalc6  metalc ?    ? A G   10 O6    ? ? ? 1_555 C K .  K  ? ? A G   10 A K 13 1_555 ? ? ? ? ? ? ?           2.857 ? ? 
metalc7  metalc ?    ? A G   10 O6    ? ? ? 1_555 D K .  K  ? ? A G   10 A K 14 1_555 ? ? ? ? ? ? ?           2.914 ? ? 
metalc8  metalc ?    ? A G   11 O6    ? ? ? 1_555 C K .  K  ? ? A G   11 A K 13 1_555 ? ? ? ? ? ? ?           2.712 ? ? 
metalc9  metalc ?    ? C K   .  K     ? ? ? 1_555 B G 4  O6 ? ? A K   13 B G 16 1_555 ? ? ? ? ? ? ?           2.715 ? ? 
metalc10 metalc ?    ? C K   .  K     ? ? ? 1_555 B G 5  O6 ? ? A K   13 B G 17 1_555 ? ? ? ? ? ? ?           2.637 ? ? 
metalc11 metalc ?    ? C K   .  K     ? ? ? 1_555 B G 10 O6 ? ? A K   13 B G 22 1_555 ? ? ? ? ? ? ?           2.714 ? ? 
metalc12 metalc ?    ? C K   .  K     ? ? ? 1_555 B G 11 O6 ? ? A K   13 B G 23 1_555 ? ? ? ? ? ? ?           2.685 ? ? 
metalc13 metalc ?    ? D K   .  K     ? ? ? 1_555 B G 3  O6 ? ? A K   14 B G 15 1_555 ? ? ? ? ? ? ?           2.654 ? ? 
metalc14 metalc ?    ? D K   .  K     ? ? ? 1_555 B G 4  O6 ? ? A K   14 B G 16 1_555 ? ? ? ? ? ? ?           2.999 ? ? 
metalc15 metalc ?    ? D K   .  K     ? ? ? 1_555 B G 9  O6 ? ? A K   14 B G 21 1_555 ? ? ? ? ? ? ?           2.685 ? ? 
metalc16 metalc ?    ? D K   .  K     ? ? ? 1_555 B G 10 O6 ? ? A K   14 B G 22 1_555 ? ? ? ? ? ? ?           3.125 ? ? 
hydrog1  hydrog ?    ? A G   3  N1    ? ? ? 1_555 A G 9  O6 ? ? A G   3  A G 9  1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog2  hydrog ?    ? A G   3  N2    ? ? ? 1_555 A G 9  N7 ? ? A G   3  A G 9  1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog3  hydrog ?    ? A G   3  N7    ? ? ? 1_555 B G 9  N2 ? ? A G   3  B G 21 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog4  hydrog ?    ? A G   3  O6    ? ? ? 1_555 B G 9  N1 ? ? A G   3  B G 21 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog5  hydrog ?    ? A G   4  N1    ? ? ? 1_555 A G 10 O6 ? ? A G   4  A G 10 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog6  hydrog ?    ? A G   4  N2    ? ? ? 1_555 A G 10 N7 ? ? A G   4  A G 10 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog7  hydrog ?    ? A G   4  N7    ? ? ? 1_555 B G 10 N2 ? ? A G   4  B G 22 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog8  hydrog ?    ? A G   4  O6    ? ? ? 1_555 B G 10 N1 ? ? A G   4  B G 22 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog9  hydrog ?    ? A G   5  N1    ? ? ? 1_555 A G 11 O6 ? ? A G   5  A G 11 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog10 hydrog ?    ? A G   5  N2    ? ? ? 1_555 A G 11 N7 ? ? A G   5  A G 11 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog11 hydrog ?    ? A G   5  N7    ? ? ? 1_555 B G 11 N2 ? ? A G   5  B G 23 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog12 hydrog ?    ? A G   5  O6    ? ? ? 1_555 B G 11 N1 ? ? A G   5  B G 23 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog13 hydrog ?    ? A G   9  N1    ? ? ? 1_555 B G 3  O6 ? ? A G   9  B G 15 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog14 hydrog ?    ? A G   9  N2    ? ? ? 1_555 B G 3  N7 ? ? A G   9  B G 15 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog15 hydrog ?    ? A G   10 N1    ? ? ? 1_555 B G 4  O6 ? ? A G   10 B G 16 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog16 hydrog ?    ? A G   10 N2    ? ? ? 1_555 B G 4  N7 ? ? A G   10 B G 16 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog17 hydrog ?    ? A G   11 N1    ? ? ? 1_555 B G 5  O6 ? ? A G   11 B G 17 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog18 hydrog ?    ? A G   11 N2    ? ? ? 1_555 B G 5  N7 ? ? A G   11 B G 17 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog19 hydrog ?    ? B G   3  N1    ? ? ? 1_555 B G 9  O6 ? ? B G   15 B G 21 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog20 hydrog ?    ? B G   3  N2    ? ? ? 1_555 B G 9  N7 ? ? B G   15 B G 21 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog21 hydrog ?    ? B G   4  N1    ? ? ? 1_555 B G 10 O6 ? ? B G   16 B G 22 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog22 hydrog ?    ? B G   4  N2    ? ? ? 1_555 B G 10 N7 ? ? B G   16 B G 22 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog23 hydrog ?    ? B G   5  N1    ? ? ? 1_555 B G 11 O6 ? ? B G   17 B G 23 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
hydrog24 hydrog ?    ? B G   5  N2    ? ? ? 1_555 B G 11 N7 ? ? B G   17 B G 23 1_555 ? ? ? ? ? ? TYPE_6_PAIR ?     ? ? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
covale ? ? 
metalc ? ? 
hydrog ? ? 
# 
loop_
_struct_site.id 
_struct_site.pdbx_evidence_code 
_struct_site.pdbx_auth_asym_id 
_struct_site.pdbx_auth_comp_id 
_struct_site.pdbx_auth_seq_id 
_struct_site.pdbx_auth_ins_code 
_struct_site.pdbx_num_residues 
_struct_site.details 
AC1 Software A K 13 ? 9 'BINDING SITE FOR RESIDUE K A 13' 
AC2 Software A K 14 ? 9 'BINDING SITE FOR RESIDUE K A 14' 
# 
loop_
_struct_site_gen.id 
_struct_site_gen.site_id 
_struct_site_gen.pdbx_num_res 
_struct_site_gen.label_comp_id 
_struct_site_gen.label_asym_id 
_struct_site_gen.label_seq_id 
_struct_site_gen.pdbx_auth_ins_code 
_struct_site_gen.auth_comp_id 
_struct_site_gen.auth_asym_id 
_struct_site_gen.auth_seq_id 
_struct_site_gen.label_atom_id 
_struct_site_gen.label_alt_id 
_struct_site_gen.symmetry 
_struct_site_gen.details 
1  AC1 9 G A 4  ? G A 4  . ? 1_555 ? 
2  AC1 9 G A 5  ? G A 5  . ? 1_555 ? 
3  AC1 9 G A 10 ? G A 10 . ? 1_555 ? 
4  AC1 9 G A 11 ? G A 11 . ? 1_555 ? 
5  AC1 9 K D .  ? K A 14 . ? 1_555 ? 
6  AC1 9 G B 4  ? G B 16 . ? 1_555 ? 
7  AC1 9 G B 5  ? G B 17 . ? 1_555 ? 
8  AC1 9 G B 10 ? G B 22 . ? 1_555 ? 
9  AC1 9 G B 11 ? G B 23 . ? 1_555 ? 
10 AC2 9 G A 3  ? G A 3  . ? 1_555 ? 
11 AC2 9 G A 4  ? G A 4  . ? 1_555 ? 
12 AC2 9 G A 9  ? G A 9  . ? 1_555 ? 
13 AC2 9 G A 10 ? G A 10 . ? 1_555 ? 
14 AC2 9 K C .  ? K A 13 . ? 1_555 ? 
15 AC2 9 G B 3  ? G B 15 . ? 1_555 ? 
16 AC2 9 G B 4  ? G B 16 . ? 1_555 ? 
17 AC2 9 G B 9  ? G B 21 . ? 1_555 ? 
18 AC2 9 G B 10 ? G B 22 . ? 1_555 ? 
# 
_atom_sites.entry_id                    3IBK 
_atom_sites.fract_transf_matrix[1][1]   0.017366 
_atom_sites.fract_transf_matrix[1][2]   0.010026 
_atom_sites.fract_transf_matrix[1][3]   0.000000 
_atom_sites.fract_transf_matrix[2][1]   0.000000 
_atom_sites.fract_transf_matrix[2][2]   0.020053 
_atom_sites.fract_transf_matrix[2][3]   0.000000 
_atom_sites.fract_transf_matrix[3][1]   0.000000 
_atom_sites.fract_transf_matrix[3][2]   0.000000 
_atom_sites.fract_transf_matrix[3][3]   0.026057 
_atom_sites.fract_transf_vector[1]      0.000000 
_atom_sites.fract_transf_vector[2]      0.000000 
_atom_sites.fract_transf_vector[3]      0.000000 
# 
loop_
_atom_type.symbol 
BR 
C  
K  
N  
O  
P  
# 
loop_
_pdbx_poly_seq_scheme.asym_id 
_pdbx_poly_seq_scheme.entity_id 
_pdbx_poly_seq_scheme.seq_id 
_pdbx_poly_seq_scheme.mon_id 
_pdbx_poly_seq_scheme.ndb_seq_num 
_pdbx_poly_seq_scheme.pdb_seq_num 
_pdbx_poly_seq_scheme.auth_seq_num 
_pdbx_poly_seq_scheme.pdb_mon_id 
_pdbx_poly_seq_scheme.auth_mon_id 
_pdbx_poly_seq_scheme.pdb_strand_id 
_pdbx_poly_seq_scheme.pdb_ins_code 
_pdbx_poly_seq_scheme.hetero 
A 1 1  5BU 1  1  1  5BU UB A . n 
A 1 2  A   2  2  2  A   A  A . n 
A 1 3  G   3  3  3  G   G  A . n 
A 1 4  G   4  4  4  G   G  A . n 
A 1 5  G   5  5  5  G   G  A . n 
A 1 6  U   6  6  6  U   U  A . n 
A 1 7  U   7  7  7  U   U  A . n 
A 1 8  A   8  8  8  A   A  A . n 
A 1 9  G   9  9  9  G   G  A . n 
A 1 10 G   10 10 10 G   G  A . n 
A 1 11 G   11 11 11 G   G  A . n 
A 1 12 U   12 12 12 U   U  A . n 
B 1 1  5BU 1  13 13 5BU UB B . n 
B 1 2  A   2  14 14 A   A  B . n 
B 1 3  G   3  15 15 G   G  B . n 
B 1 4  G   4  16 16 G   G  B . n 
B 1 5  G   5  17 17 G   G  B . n 
B 1 6  U   6  18 18 U   U  B . n 
B 1 7  U   7  19 19 U   U  B . n 
B 1 8  A   8  20 20 A   A  B . n 
B 1 9  G   9  21 21 G   G  B . n 
B 1 10 G   10 22 22 G   G  B . n 
B 1 11 G   11 23 23 G   G  B . n 
B 1 12 U   12 24 24 U   U  B . n 
# 
loop_
_pdbx_nonpoly_scheme.asym_id 
_pdbx_nonpoly_scheme.entity_id 
_pdbx_nonpoly_scheme.mon_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_strand_id 
_pdbx_nonpoly_scheme.pdb_ins_code 
C 2 K   1  13 1  K   K   A . 
D 2 K   1  14 2  K   K   A . 
E 3 HOH 1  15 15 HOH HOH A . 
E 3 HOH 2  16 16 HOH HOH A . 
E 3 HOH 3  17 17 HOH HOH A . 
E 3 HOH 4  18 18 HOH HOH A . 
E 3 HOH 5  19 19 HOH HOH A . 
E 3 HOH 6  20 20 HOH HOH A . 
E 3 HOH 7  21 21 HOH HOH A . 
E 3 HOH 8  22 1  HOH HOH A . 
E 3 HOH 9  23 2  HOH HOH A . 
E 3 HOH 10 24 3  HOH HOH A . 
E 3 HOH 11 25 5  HOH HOH A . 
E 3 HOH 12 26 6  HOH HOH A . 
E 3 HOH 13 27 9  HOH HOH A . 
E 3 HOH 14 28 28 HOH HOH A . 
E 3 HOH 15 29 29 HOH HOH A . 
E 3 HOH 16 30 10 HOH HOH A . 
E 3 HOH 17 31 11 HOH HOH A . 
E 3 HOH 18 35 35 HOH HOH A . 
E 3 HOH 19 38 38 HOH HOH A . 
E 3 HOH 20 39 39 HOH HOH A . 
E 3 HOH 21 44 44 HOH HOH A . 
E 3 HOH 22 45 45 HOH HOH A . 
E 3 HOH 23 46 46 HOH HOH A . 
E 3 HOH 24 48 48 HOH HOH A . 
E 3 HOH 25 49 49 HOH HOH A . 
E 3 HOH 26 50 50 HOH HOH A . 
E 3 HOH 27 51 51 HOH HOH A . 
E 3 HOH 28 55 55 HOH HOH A . 
F 3 HOH 1  4  4  HOH HOH B . 
F 3 HOH 2  7  7  HOH HOH B . 
F 3 HOH 3  8  8  HOH HOH B . 
F 3 HOH 4  25 13 HOH HOH B . 
F 3 HOH 5  27 27 HOH HOH B . 
F 3 HOH 6  30 30 HOH HOH B . 
F 3 HOH 7  31 31 HOH HOH B . 
F 3 HOH 8  32 32 HOH HOH B . 
F 3 HOH 9  33 33 HOH HOH B . 
F 3 HOH 10 34 34 HOH HOH B . 
F 3 HOH 11 40 40 HOH HOH B . 
F 3 HOH 12 41 41 HOH HOH B . 
F 3 HOH 13 42 42 HOH HOH B . 
F 3 HOH 14 47 47 HOH HOH B . 
F 3 HOH 15 52 52 HOH HOH B . 
F 3 HOH 16 53 53 HOH HOH B . 
F 3 HOH 17 54 54 HOH HOH B . 
# 
loop_
_pdbx_struct_mod_residue.id 
_pdbx_struct_mod_residue.label_asym_id 
_pdbx_struct_mod_residue.label_comp_id 
_pdbx_struct_mod_residue.label_seq_id 
_pdbx_struct_mod_residue.auth_asym_id 
_pdbx_struct_mod_residue.auth_comp_id 
_pdbx_struct_mod_residue.auth_seq_id 
_pdbx_struct_mod_residue.PDB_ins_code 
_pdbx_struct_mod_residue.parent_comp_id 
_pdbx_struct_mod_residue.details 
1 A 5BU 1 A 5BU 1  ? U "5-BROMO-URIDINE-5'-MONOPHOSPHATE" 
2 B 5BU 1 B 5BU 13 ? U "5-BROMO-URIDINE-5'-MONOPHOSPHATE" 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_and_software_defined_assembly 
_pdbx_struct_assembly.method_details       PISA 
_pdbx_struct_assembly.oligomeric_details   dimeric 
_pdbx_struct_assembly.oligomeric_count     2 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A,B,C,D,E,F 
# 
loop_
_pdbx_struct_assembly_prop.biol_id 
_pdbx_struct_assembly_prop.type 
_pdbx_struct_assembly_prop.value 
_pdbx_struct_assembly_prop.details 
1 'ABSA (A^2)' 1260 ? 
1 MORE         -7   ? 
1 'SSA (A^2)'  4440 ? 
# 
_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]         1.0000000000 
_pdbx_struct_oper_list.matrix[1][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[1][3]         0.0000000000 
_pdbx_struct_oper_list.vector[1]            0.0000000000 
_pdbx_struct_oper_list.matrix[2][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[2][2]         1.0000000000 
_pdbx_struct_oper_list.matrix[2][3]         0.0000000000 
_pdbx_struct_oper_list.vector[2]            0.0000000000 
_pdbx_struct_oper_list.matrix[3][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][3]         1.0000000000 
_pdbx_struct_oper_list.vector[3]            0.0000000000 
# 
loop_
_pdbx_struct_conn_angle.id 
_pdbx_struct_conn_angle.ptnr1_label_atom_id 
_pdbx_struct_conn_angle.ptnr1_label_alt_id 
_pdbx_struct_conn_angle.ptnr1_label_asym_id 
_pdbx_struct_conn_angle.ptnr1_label_comp_id 
_pdbx_struct_conn_angle.ptnr1_label_seq_id 
_pdbx_struct_conn_angle.ptnr1_auth_atom_id 
_pdbx_struct_conn_angle.ptnr1_auth_asym_id 
_pdbx_struct_conn_angle.ptnr1_auth_comp_id 
_pdbx_struct_conn_angle.ptnr1_auth_seq_id 
_pdbx_struct_conn_angle.ptnr1_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr1_symmetry 
_pdbx_struct_conn_angle.ptnr2_label_atom_id 
_pdbx_struct_conn_angle.ptnr2_label_alt_id 
_pdbx_struct_conn_angle.ptnr2_label_asym_id 
_pdbx_struct_conn_angle.ptnr2_label_comp_id 
_pdbx_struct_conn_angle.ptnr2_label_seq_id 
_pdbx_struct_conn_angle.ptnr2_auth_atom_id 
_pdbx_struct_conn_angle.ptnr2_auth_asym_id 
_pdbx_struct_conn_angle.ptnr2_auth_comp_id 
_pdbx_struct_conn_angle.ptnr2_auth_seq_id 
_pdbx_struct_conn_angle.ptnr2_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr2_symmetry 
_pdbx_struct_conn_angle.ptnr3_label_atom_id 
_pdbx_struct_conn_angle.ptnr3_label_alt_id 
_pdbx_struct_conn_angle.ptnr3_label_asym_id 
_pdbx_struct_conn_angle.ptnr3_label_comp_id 
_pdbx_struct_conn_angle.ptnr3_label_seq_id 
_pdbx_struct_conn_angle.ptnr3_auth_atom_id 
_pdbx_struct_conn_angle.ptnr3_auth_asym_id 
_pdbx_struct_conn_angle.ptnr3_auth_comp_id 
_pdbx_struct_conn_angle.ptnr3_auth_seq_id 
_pdbx_struct_conn_angle.ptnr3_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr3_symmetry 
_pdbx_struct_conn_angle.value 
_pdbx_struct_conn_angle.value_esd 
1  O6 ? A G 3  ? A G 3  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? A G 4  ? A G 4  ? 1_555 82.8  ? 
2  O6 ? A G 3  ? A G 3  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? A G 9  ? A G 9  ? 1_555 74.0  ? 
3  O6 ? A G 4  ? A G 4  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? A G 9  ? A G 9  ? 1_555 90.2  ? 
4  O6 ? A G 3  ? A G 3  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? A G 10 ? A G 10 ? 1_555 138.9 ? 
5  O6 ? A G 4  ? A G 4  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? A G 10 ? A G 10 ? 1_555 63.7  ? 
6  O6 ? A G 9  ? A G 9  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? A G 10 ? A G 10 ? 1_555 82.5  ? 
7  O6 ? A G 3  ? A G 3  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 3  ? B G 15 ? 1_555 120.9 ? 
8  O6 ? A G 4  ? A G 4  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 3  ? B G 15 ? 1_555 146.2 ? 
9  O6 ? A G 9  ? A G 9  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 3  ? B G 15 ? 1_555 75.7  ? 
10 O6 ? A G 10 ? A G 10 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 3  ? B G 15 ? 1_555 83.8  ? 
11 O6 ? A G 3  ? A G 3  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 148.7 ? 
12 O6 ? A G 4  ? A G 4  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 96.4  ? 
13 O6 ? A G 9  ? A G 9  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 137.2 ? 
14 O6 ? A G 10 ? A G 10 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 63.4  ? 
15 O6 ? B G 3  ? B G 15 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 75.6  ? 
16 O6 ? A G 3  ? A G 3  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 9  ? B G 21 ? 1_555 76.0  ? 
17 O6 ? A G 4  ? A G 4  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 9  ? B G 21 ? 1_555 132.9 ? 
18 O6 ? A G 9  ? A G 9  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 9  ? B G 21 ? 1_555 122.3 ? 
19 O6 ? A G 10 ? A G 10 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 9  ? B G 21 ? 1_555 144.5 ? 
20 O6 ? B G 3  ? B G 15 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 9  ? B G 21 ? 1_555 79.4  ? 
21 O6 ? B G 4  ? B G 16 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 9  ? B G 21 ? 1_555 82.2  ? 
22 O6 ? A G 3  ? A G 3  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 90.3  ? 
23 O6 ? A G 4  ? A G 4  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 66.2  ? 
24 O6 ? A G 9  ? A G 9  ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 153.4 ? 
25 O6 ? A G 10 ? A G 10 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 96.7  ? 
26 O6 ? B G 3  ? B G 15 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 130.8 ? 
27 O6 ? B G 4  ? B G 16 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 61.5  ? 
28 O6 ? B G 9  ? B G 21 ? 1_555 K ? D K . ? A K 14 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 72.3  ? 
29 O6 ? A G 4  ? A G 4  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? A G 5  ? A G 5  ? 1_555 67.6  ? 
30 O6 ? A G 4  ? A G 4  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? A G 10 ? A G 10 ? 1_555 66.1  ? 
31 O6 ? A G 5  ? A G 5  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? A G 10 ? A G 10 ? 1_555 85.1  ? 
32 O6 ? A G 4  ? A G 4  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? A G 11 ? A G 11 ? 1_555 119.4 ? 
33 O6 ? A G 5  ? A G 5  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? A G 11 ? A G 11 ? 1_555 72.0  ? 
34 O6 ? A G 10 ? A G 10 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? A G 11 ? A G 11 ? 1_555 67.2  ? 
35 O6 ? A G 4  ? A G 4  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 106.4 ? 
36 O6 ? A G 5  ? A G 5  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 151.5 ? 
37 O6 ? A G 10 ? A G 10 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 67.7  ? 
38 O6 ? A G 11 ? A G 11 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 4  ? B G 16 ? 1_555 89.0  ? 
39 O6 ? A G 4  ? A G 4  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 5  ? B G 17 ? 1_555 161.7 ? 
40 O6 ? A G 5  ? A G 5  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 5  ? B G 17 ? 1_555 121.3 ? 
41 O6 ? A G 10 ? A G 10 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 5  ? B G 17 ? 1_555 127.8 ? 
42 O6 ? A G 11 ? A G 11 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 5  ? B G 17 ? 1_555 78.9  ? 
43 O6 ? B G 4  ? B G 16 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 5  ? B G 17 ? 1_555 73.4  ? 
44 O6 ? A G 4  ? A G 4  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 73.7  ? 
45 O6 ? A G 5  ? A G 5  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 129.1 ? 
46 O6 ? A G 10 ? A G 10 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 108.2 ? 
47 O6 ? A G 11 ? A G 11 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 158.7 ? 
48 O6 ? B G 4  ? B G 16 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 70.5  ? 
49 O6 ? B G 5  ? B G 17 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 10 ? B G 22 ? 1_555 89.4  ? 
50 O6 ? A G 4  ? A G 4  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 11 ? B G 23 ? 1_555 93.4  ? 
51 O6 ? A G 5  ? A G 5  ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 11 ? B G 23 ? 1_555 81.3  ? 
52 O6 ? A G 10 ? A G 10 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 11 ? B G 23 ? 1_555 158.6 ? 
53 O6 ? A G 11 ? A G 11 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 11 ? B G 23 ? 1_555 122.9 ? 
54 O6 ? B G 4  ? B G 16 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 11 ? B G 23 ? 1_555 127.2 ? 
55 O6 ? B G 5  ? B G 17 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 11 ? B G 23 ? 1_555 73.6  ? 
56 O6 ? B G 10 ? B G 22 ? 1_555 K ? C K . ? A K 13 ? 1_555 O6 ? B G 11 ? B G 23 ? 1_555 69.2  ? 
# 
loop_
_pdbx_audit_revision_history.ordinal 
_pdbx_audit_revision_history.data_content_type 
_pdbx_audit_revision_history.major_revision 
_pdbx_audit_revision_history.minor_revision 
_pdbx_audit_revision_history.revision_date 
1 'Structure model' 1 0 2010-05-12 
2 'Structure model' 1 1 2011-07-13 
3 'Structure model' 1 2 2014-02-19 
4 'Structure model' 1 3 2023-11-01 
# 
_pdbx_audit_revision_details.ordinal             1 
_pdbx_audit_revision_details.revision_ordinal    1 
_pdbx_audit_revision_details.data_content_type   'Structure model' 
_pdbx_audit_revision_details.provider            repository 
_pdbx_audit_revision_details.type                'Initial release' 
_pdbx_audit_revision_details.description         ? 
_pdbx_audit_revision_details.details             ? 
# 
loop_
_pdbx_audit_revision_group.ordinal 
_pdbx_audit_revision_group.revision_ordinal 
_pdbx_audit_revision_group.data_content_type 
_pdbx_audit_revision_group.group 
1 2 'Structure model' Advisory                    
2 2 'Structure model' 'Version format compliance' 
3 3 'Structure model' 'Database references'       
4 4 'Structure model' 'Data collection'           
5 4 'Structure model' 'Database references'       
6 4 'Structure model' 'Derived calculations'      
7 4 'Structure model' 'Refinement description'    
# 
loop_
_pdbx_audit_revision_category.ordinal 
_pdbx_audit_revision_category.revision_ordinal 
_pdbx_audit_revision_category.data_content_type 
_pdbx_audit_revision_category.category 
1 4 'Structure model' chem_comp_atom                
2 4 'Structure model' chem_comp_bond                
3 4 'Structure model' database_2                    
4 4 'Structure model' pdbx_initial_refinement_model 
5 4 'Structure model' struct_conn                   
6 4 'Structure model' struct_site                   
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1  4 'Structure model' '_database_2.pdbx_DOI'                
2  4 'Structure model' '_database_2.pdbx_database_accession' 
3  4 'Structure model' '_struct_conn.pdbx_dist_value'        
4  4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag' 
5  4 'Structure model' '_struct_conn.ptnr1_auth_asym_id'     
6  4 'Structure model' '_struct_conn.ptnr1_auth_comp_id'     
7  4 'Structure model' '_struct_conn.ptnr1_auth_seq_id'      
8  4 'Structure model' '_struct_conn.ptnr1_label_asym_id'    
9  4 'Structure model' '_struct_conn.ptnr1_label_atom_id'    
10 4 'Structure model' '_struct_conn.ptnr1_label_comp_id'    
11 4 'Structure model' '_struct_conn.ptnr1_label_seq_id'     
12 4 'Structure model' '_struct_conn.ptnr2_auth_asym_id'     
13 4 'Structure model' '_struct_conn.ptnr2_auth_comp_id'     
14 4 'Structure model' '_struct_conn.ptnr2_auth_seq_id'      
15 4 'Structure model' '_struct_conn.ptnr2_label_asym_id'    
16 4 'Structure model' '_struct_conn.ptnr2_label_atom_id'    
17 4 'Structure model' '_struct_conn.ptnr2_label_comp_id'    
18 4 'Structure model' '_struct_conn.ptnr2_label_seq_id'     
19 4 'Structure model' '_struct_site.pdbx_auth_asym_id'      
20 4 'Structure model' '_struct_site.pdbx_auth_comp_id'      
21 4 'Structure model' '_struct_site.pdbx_auth_seq_id'       
# 
loop_
_pdbx_refine_tls.pdbx_refine_id 
_pdbx_refine_tls.id 
_pdbx_refine_tls.details 
_pdbx_refine_tls.method 
_pdbx_refine_tls.origin_x 
_pdbx_refine_tls.origin_y 
_pdbx_refine_tls.origin_z 
_pdbx_refine_tls.T[1][1] 
_pdbx_refine_tls.T[2][2] 
_pdbx_refine_tls.T[3][3] 
_pdbx_refine_tls.T[1][2] 
_pdbx_refine_tls.T[1][3] 
_pdbx_refine_tls.T[2][3] 
_pdbx_refine_tls.L[1][1] 
_pdbx_refine_tls.L[2][2] 
_pdbx_refine_tls.L[3][3] 
_pdbx_refine_tls.L[1][2] 
_pdbx_refine_tls.L[1][3] 
_pdbx_refine_tls.L[2][3] 
_pdbx_refine_tls.S[1][1] 
_pdbx_refine_tls.S[2][2] 
_pdbx_refine_tls.S[3][3] 
_pdbx_refine_tls.S[1][2] 
_pdbx_refine_tls.S[1][3] 
_pdbx_refine_tls.S[2][3] 
_pdbx_refine_tls.S[2][1] 
_pdbx_refine_tls.S[3][1] 
_pdbx_refine_tls.S[3][2] 
'X-RAY DIFFRACTION' 1 ? refined 2.8518  25.7515 38.1223 0.0476 0.0833 0.0552  -0.0084 -0.0063 -0.0174 3.9943 4.9998 4.4407 -2.0726 
0.3627  -1.3727 -0.0188 0.1461  -0.1272 -0.2550 0.0783  0.3743  0.6039  -0.2369 -0.2454 
'X-RAY DIFFRACTION' 2 ? refined 8.5425  30.1621 33.7897 0.0653 0.0650 0.0645  -0.0005 -0.0034 0.0201  2.2504 4.2129 1.2188 -0.4003 
-0.3558 2.2576  0.0477  0.0797  -0.1275 0.0641  0.1474  -0.1867 -0.3166 -0.4579 0.0830  
'X-RAY DIFFRACTION' 3 ? refined 9.1835  18.4603 28.9260 0.1232 0.1060 0.1106  -0.0003 0.0048  0.0040  4.0719 0.5588 1.4492 -1.3718 
0.3259  -0.4806 -0.1696 0.2091  -0.0394 0.9455  -0.4775 0.0785  -0.6367 0.1174  0.0423  
'X-RAY DIFFRACTION' 4 ? refined -0.8103 18.1767 33.2025 0.0072 0.0043 -0.0057 -0.0134 0.0113  0.0022  5.1351 1.4768 5.5143 1.7282  
2.5475  -1.0932 0.0803  -0.0672 -0.0132 0.1620  -0.6099 0.3158  -0.2280 0.3998  -0.0236 
# 
loop_
_pdbx_refine_tls_group.pdbx_refine_id 
_pdbx_refine_tls_group.id 
_pdbx_refine_tls_group.refine_tls_id 
_pdbx_refine_tls_group.beg_auth_asym_id 
_pdbx_refine_tls_group.beg_auth_seq_id 
_pdbx_refine_tls_group.end_auth_asym_id 
_pdbx_refine_tls_group.end_auth_seq_id 
_pdbx_refine_tls_group.selection_details 
_pdbx_refine_tls_group.beg_label_asym_id 
_pdbx_refine_tls_group.beg_label_seq_id 
_pdbx_refine_tls_group.end_label_asym_id 
_pdbx_refine_tls_group.end_label_seq_id 
_pdbx_refine_tls_group.selection 
'X-RAY DIFFRACTION' 1 1 A 2  A 6  ? . . . . ? 
'X-RAY DIFFRACTION' 2 2 A 7  A 12 ? . . . . ? 
'X-RAY DIFFRACTION' 3 3 B 14 B 17 ? . . . . ? 
'X-RAY DIFFRACTION' 4 4 B 18 B 24 ? . . . . ? 
# 
loop_
_software.pdbx_ordinal 
_software.name 
_software.version 
_software.date 
_software.type 
_software.contact_author 
_software.contact_author_email 
_software.classification 
_software.location 
_software.language 
_software.citation_id 
1 SCALA       3.3.9    2008/10/21      other   'Phil R. Evans'      pre@mrc-lmb.cam.ac.uk 'data scaling'    
http://www.ccp4.ac.uk/dist/html/scala.html   Fortran_77 ? 
2 REFMAC      5.5.0072 ?               program 'Garib N. Murshudov' garib@ysbl.york.ac.uk refinement        
http://www.ccp4.ac.uk/dist/html/refmac5.html Fortran_77 ? 
3 PDB_EXTRACT 3.005    'June 11, 2008' package PDB                  help@deposit.rcsb.org 'data extraction' 
http://sw-tools.pdb.org/apps/PDB_EXTRACT/    C++        ? 
4 CrysalisPro .        ?               ?       ?                    ?                     'data collection' ? ?          ? 
5 CrysalisPro .        ?               ?       ?                    ?                     'data reduction'  ? ?          ? 
6 REFMAC      5.5.0072 ?               ?       ?                    ?                     phasing           ? ?          ? 
# 
loop_
_pdbx_unobs_or_zero_occ_atoms.id 
_pdbx_unobs_or_zero_occ_atoms.PDB_model_num 
_pdbx_unobs_or_zero_occ_atoms.polymer_flag 
_pdbx_unobs_or_zero_occ_atoms.occupancy_flag 
_pdbx_unobs_or_zero_occ_atoms.auth_asym_id 
_pdbx_unobs_or_zero_occ_atoms.auth_comp_id 
_pdbx_unobs_or_zero_occ_atoms.auth_seq_id 
_pdbx_unobs_or_zero_occ_atoms.PDB_ins_code 
_pdbx_unobs_or_zero_occ_atoms.auth_atom_id 
_pdbx_unobs_or_zero_occ_atoms.label_alt_id 
_pdbx_unobs_or_zero_occ_atoms.label_asym_id 
_pdbx_unobs_or_zero_occ_atoms.label_comp_id 
_pdbx_unobs_or_zero_occ_atoms.label_seq_id 
_pdbx_unobs_or_zero_occ_atoms.label_atom_id 
1  1 Y 0 A U 12 ? "C5'" ? A U 12 "C5'" 
2  1 Y 0 A U 12 ? "C4'" ? A U 12 "C4'" 
3  1 Y 0 A U 12 ? "O4'" ? A U 12 "O4'" 
4  1 Y 0 A U 12 ? "C3'" ? A U 12 "C3'" 
5  1 Y 0 A U 12 ? "O3'" ? A U 12 "O3'" 
6  1 Y 0 A U 12 ? "C2'" ? A U 12 "C2'" 
7  1 Y 0 A U 12 ? "O2'" ? A U 12 "O2'" 
8  1 Y 0 A U 12 ? "C1'" ? A U 12 "C1'" 
9  1 Y 0 A U 12 ? N1    ? A U 12 N1    
10 1 Y 0 A U 12 ? C2    ? A U 12 C2    
11 1 Y 0 A U 12 ? O2    ? A U 12 O2    
12 1 Y 0 A U 12 ? N3    ? A U 12 N3    
13 1 Y 0 A U 12 ? C4    ? A U 12 C4    
14 1 Y 0 A U 12 ? O4    ? A U 12 O4    
15 1 Y 0 A U 12 ? C5    ? A U 12 C5    
16 1 Y 0 A U 12 ? C6    ? A U 12 C6    
17 1 Y 0 B U 18 ? "O5'" ? B U 6  "O5'" 
18 1 Y 0 B U 18 ? "C5'" ? B U 6  "C5'" 
19 1 Y 0 B U 18 ? "C4'" ? B U 6  "C4'" 
20 1 Y 0 B U 18 ? "O4'" ? B U 6  "O4'" 
21 1 Y 0 B U 18 ? "C3'" ? B U 6  "C3'" 
22 1 Y 0 B U 18 ? "O3'" ? B U 6  "O3'" 
23 1 Y 0 B U 18 ? "C2'" ? B U 6  "C2'" 
24 1 Y 0 B U 18 ? "O2'" ? B U 6  "O2'" 
25 1 Y 0 B U 18 ? "C1'" ? B U 6  "C1'" 
26 1 Y 0 B U 18 ? N1    ? B U 6  N1    
27 1 Y 0 B U 18 ? C2    ? B U 6  C2    
28 1 Y 0 B U 18 ? O2    ? B U 6  O2    
29 1 Y 0 B U 18 ? N3    ? B U 6  N3    
30 1 Y 0 B U 18 ? C4    ? B U 6  C4    
31 1 Y 0 B U 18 ? O4    ? B U 6  O4    
32 1 Y 0 B U 18 ? C5    ? B U 6  C5    
33 1 Y 0 B U 18 ? C6    ? B U 6  C6    
# 
loop_
_pdbx_unobs_or_zero_occ_residues.id 
_pdbx_unobs_or_zero_occ_residues.PDB_model_num 
_pdbx_unobs_or_zero_occ_residues.polymer_flag 
_pdbx_unobs_or_zero_occ_residues.occupancy_flag 
_pdbx_unobs_or_zero_occ_residues.auth_asym_id 
_pdbx_unobs_or_zero_occ_residues.auth_comp_id 
_pdbx_unobs_or_zero_occ_residues.auth_seq_id 
_pdbx_unobs_or_zero_occ_residues.PDB_ins_code 
_pdbx_unobs_or_zero_occ_residues.label_asym_id 
_pdbx_unobs_or_zero_occ_residues.label_comp_id 
_pdbx_unobs_or_zero_occ_residues.label_seq_id 
1 1 Y 0 B U 19 ? B U 7 
2 1 Y 0 B A 20 ? B A 8 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.pdbx_ordinal 
5BU P      P  N N 1   
5BU OP1    O  N N 2   
5BU OP2    O  N N 3   
5BU OP3    O  N N 4   
5BU "O5'"  O  N N 5   
5BU "C5'"  C  N N 6   
5BU "C4'"  C  N R 7   
5BU "O4'"  O  N N 8   
5BU "C3'"  C  N S 9   
5BU "O3'"  O  N N 10  
5BU "C2'"  C  N R 11  
5BU "O2'"  O  N N 12  
5BU "C1'"  C  N R 13  
5BU N1     N  N N 14  
5BU C2     C  N N 15  
5BU O2     O  N N 16  
5BU N3     N  N N 17  
5BU C4     C  N N 18  
5BU O4     O  N N 19  
5BU C5     C  N N 20  
5BU C6     C  N N 21  
5BU BR     BR N N 22  
5BU HOP2   H  N N 23  
5BU HOP3   H  N N 24  
5BU "H5'"  H  N N 25  
5BU "H5''" H  N N 26  
5BU "H4'"  H  N N 27  
5BU "H3'"  H  N N 28  
5BU "HO3'" H  N N 29  
5BU "H2'"  H  N N 30  
5BU "HO2'" H  N N 31  
5BU "H1'"  H  N N 32  
5BU H3     H  N N 33  
5BU H6     H  N N 34  
A   OP3    O  N N 35  
A   P      P  N N 36  
A   OP1    O  N N 37  
A   OP2    O  N N 38  
A   "O5'"  O  N N 39  
A   "C5'"  C  N N 40  
A   "C4'"  C  N R 41  
A   "O4'"  O  N N 42  
A   "C3'"  C  N S 43  
A   "O3'"  O  N N 44  
A   "C2'"  C  N R 45  
A   "O2'"  O  N N 46  
A   "C1'"  C  N R 47  
A   N9     N  Y N 48  
A   C8     C  Y N 49  
A   N7     N  Y N 50  
A   C5     C  Y N 51  
A   C6     C  Y N 52  
A   N6     N  N N 53  
A   N1     N  Y N 54  
A   C2     C  Y N 55  
A   N3     N  Y N 56  
A   C4     C  Y N 57  
A   HOP3   H  N N 58  
A   HOP2   H  N N 59  
A   "H5'"  H  N N 60  
A   "H5''" H  N N 61  
A   "H4'"  H  N N 62  
A   "H3'"  H  N N 63  
A   "HO3'" H  N N 64  
A   "H2'"  H  N N 65  
A   "HO2'" H  N N 66  
A   "H1'"  H  N N 67  
A   H8     H  N N 68  
A   H61    H  N N 69  
A   H62    H  N N 70  
A   H2     H  N N 71  
G   OP3    O  N N 72  
G   P      P  N N 73  
G   OP1    O  N N 74  
G   OP2    O  N N 75  
G   "O5'"  O  N N 76  
G   "C5'"  C  N N 77  
G   "C4'"  C  N R 78  
G   "O4'"  O  N N 79  
G   "C3'"  C  N S 80  
G   "O3'"  O  N N 81  
G   "C2'"  C  N R 82  
G   "O2'"  O  N N 83  
G   "C1'"  C  N R 84  
G   N9     N  Y N 85  
G   C8     C  Y N 86  
G   N7     N  Y N 87  
G   C5     C  Y N 88  
G   C6     C  N N 89  
G   O6     O  N N 90  
G   N1     N  N N 91  
G   C2     C  N N 92  
G   N2     N  N N 93  
G   N3     N  N N 94  
G   C4     C  Y N 95  
G   HOP3   H  N N 96  
G   HOP2   H  N N 97  
G   "H5'"  H  N N 98  
G   "H5''" H  N N 99  
G   "H4'"  H  N N 100 
G   "H3'"  H  N N 101 
G   "HO3'" H  N N 102 
G   "H2'"  H  N N 103 
G   "HO2'" H  N N 104 
G   "H1'"  H  N N 105 
G   H8     H  N N 106 
G   H1     H  N N 107 
G   H21    H  N N 108 
G   H22    H  N N 109 
HOH O      O  N N 110 
HOH H1     H  N N 111 
HOH H2     H  N N 112 
K   K      K  N N 113 
U   OP3    O  N N 114 
U   P      P  N N 115 
U   OP1    O  N N 116 
U   OP2    O  N N 117 
U   "O5'"  O  N N 118 
U   "C5'"  C  N N 119 
U   "C4'"  C  N R 120 
U   "O4'"  O  N N 121 
U   "C3'"  C  N S 122 
U   "O3'"  O  N N 123 
U   "C2'"  C  N R 124 
U   "O2'"  O  N N 125 
U   "C1'"  C  N R 126 
U   N1     N  N N 127 
U   C2     C  N N 128 
U   O2     O  N N 129 
U   N3     N  N N 130 
U   C4     C  N N 131 
U   O4     O  N N 132 
U   C5     C  N N 133 
U   C6     C  N N 134 
U   HOP3   H  N N 135 
U   HOP2   H  N N 136 
U   "H5'"  H  N N 137 
U   "H5''" H  N N 138 
U   "H4'"  H  N N 139 
U   "H3'"  H  N N 140 
U   "HO3'" H  N N 141 
U   "H2'"  H  N N 142 
U   "HO2'" H  N N 143 
U   "H1'"  H  N N 144 
U   H3     H  N N 145 
U   H5     H  N N 146 
U   H6     H  N N 147 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
5BU P     OP1    doub N N 1   
5BU P     OP2    sing N N 2   
5BU P     OP3    sing N N 3   
5BU P     "O5'"  sing N N 4   
5BU OP2   HOP2   sing N N 5   
5BU OP3   HOP3   sing N N 6   
5BU "O5'" "C5'"  sing N N 7   
5BU "C5'" "C4'"  sing N N 8   
5BU "C5'" "H5'"  sing N N 9   
5BU "C5'" "H5''" sing N N 10  
5BU "C4'" "O4'"  sing N N 11  
5BU "C4'" "C3'"  sing N N 12  
5BU "C4'" "H4'"  sing N N 13  
5BU "O4'" "C1'"  sing N N 14  
5BU "C3'" "O3'"  sing N N 15  
5BU "C3'" "C2'"  sing N N 16  
5BU "C3'" "H3'"  sing N N 17  
5BU "O3'" "HO3'" sing N N 18  
5BU "C2'" "O2'"  sing N N 19  
5BU "C2'" "C1'"  sing N N 20  
5BU "C2'" "H2'"  sing N N 21  
5BU "O2'" "HO2'" sing N N 22  
5BU "C1'" N1     sing N N 23  
5BU "C1'" "H1'"  sing N N 24  
5BU N1    C2     sing N N 25  
5BU N1    C6     sing N N 26  
5BU C2    O2     doub N N 27  
5BU C2    N3     sing N N 28  
5BU N3    C4     sing N N 29  
5BU N3    H3     sing N N 30  
5BU C4    O4     doub N N 31  
5BU C4    C5     sing N N 32  
5BU C5    C6     doub N N 33  
5BU C5    BR     sing N N 34  
5BU C6    H6     sing N N 35  
A   OP3   P      sing N N 36  
A   OP3   HOP3   sing N N 37  
A   P     OP1    doub N N 38  
A   P     OP2    sing N N 39  
A   P     "O5'"  sing N N 40  
A   OP2   HOP2   sing N N 41  
A   "O5'" "C5'"  sing N N 42  
A   "C5'" "C4'"  sing N N 43  
A   "C5'" "H5'"  sing N N 44  
A   "C5'" "H5''" sing N N 45  
A   "C4'" "O4'"  sing N N 46  
A   "C4'" "C3'"  sing N N 47  
A   "C4'" "H4'"  sing N N 48  
A   "O4'" "C1'"  sing N N 49  
A   "C3'" "O3'"  sing N N 50  
A   "C3'" "C2'"  sing N N 51  
A   "C3'" "H3'"  sing N N 52  
A   "O3'" "HO3'" sing N N 53  
A   "C2'" "O2'"  sing N N 54  
A   "C2'" "C1'"  sing N N 55  
A   "C2'" "H2'"  sing N N 56  
A   "O2'" "HO2'" sing N N 57  
A   "C1'" N9     sing N N 58  
A   "C1'" "H1'"  sing N N 59  
A   N9    C8     sing Y N 60  
A   N9    C4     sing Y N 61  
A   C8    N7     doub Y N 62  
A   C8    H8     sing N N 63  
A   N7    C5     sing Y N 64  
A   C5    C6     sing Y N 65  
A   C5    C4     doub Y N 66  
A   C6    N6     sing N N 67  
A   C6    N1     doub Y N 68  
A   N6    H61    sing N N 69  
A   N6    H62    sing N N 70  
A   N1    C2     sing Y N 71  
A   C2    N3     doub Y N 72  
A   C2    H2     sing N N 73  
A   N3    C4     sing Y N 74  
G   OP3   P      sing N N 75  
G   OP3   HOP3   sing N N 76  
G   P     OP1    doub N N 77  
G   P     OP2    sing N N 78  
G   P     "O5'"  sing N N 79  
G   OP2   HOP2   sing N N 80  
G   "O5'" "C5'"  sing N N 81  
G   "C5'" "C4'"  sing N N 82  
G   "C5'" "H5'"  sing N N 83  
G   "C5'" "H5''" sing N N 84  
G   "C4'" "O4'"  sing N N 85  
G   "C4'" "C3'"  sing N N 86  
G   "C4'" "H4'"  sing N N 87  
G   "O4'" "C1'"  sing N N 88  
G   "C3'" "O3'"  sing N N 89  
G   "C3'" "C2'"  sing N N 90  
G   "C3'" "H3'"  sing N N 91  
G   "O3'" "HO3'" sing N N 92  
G   "C2'" "O2'"  sing N N 93  
G   "C2'" "C1'"  sing N N 94  
G   "C2'" "H2'"  sing N N 95  
G   "O2'" "HO2'" sing N N 96  
G   "C1'" N9     sing N N 97  
G   "C1'" "H1'"  sing N N 98  
G   N9    C8     sing Y N 99  
G   N9    C4     sing Y N 100 
G   C8    N7     doub Y N 101 
G   C8    H8     sing N N 102 
G   N7    C5     sing Y N 103 
G   C5    C6     sing N N 104 
G   C5    C4     doub Y N 105 
G   C6    O6     doub N N 106 
G   C6    N1     sing N N 107 
G   N1    C2     sing N N 108 
G   N1    H1     sing N N 109 
G   C2    N2     sing N N 110 
G   C2    N3     doub N N 111 
G   N2    H21    sing N N 112 
G   N2    H22    sing N N 113 
G   N3    C4     sing N N 114 
HOH O     H1     sing N N 115 
HOH O     H2     sing N N 116 
U   OP3   P      sing N N 117 
U   OP3   HOP3   sing N N 118 
U   P     OP1    doub N N 119 
U   P     OP2    sing N N 120 
U   P     "O5'"  sing N N 121 
U   OP2   HOP2   sing N N 122 
U   "O5'" "C5'"  sing N N 123 
U   "C5'" "C4'"  sing N N 124 
U   "C5'" "H5'"  sing N N 125 
U   "C5'" "H5''" sing N N 126 
U   "C4'" "O4'"  sing N N 127 
U   "C4'" "C3'"  sing N N 128 
U   "C4'" "H4'"  sing N N 129 
U   "O4'" "C1'"  sing N N 130 
U   "C3'" "O3'"  sing N N 131 
U   "C3'" "C2'"  sing N N 132 
U   "C3'" "H3'"  sing N N 133 
U   "O3'" "HO3'" sing N N 134 
U   "C2'" "O2'"  sing N N 135 
U   "C2'" "C1'"  sing N N 136 
U   "C2'" "H2'"  sing N N 137 
U   "O2'" "HO2'" sing N N 138 
U   "C1'" N1     sing N N 139 
U   "C1'" "H1'"  sing N N 140 
U   N1    C2     sing N N 141 
U   N1    C6     sing N N 142 
U   C2    O2     doub N N 143 
U   C2    N3     sing N N 144 
U   N3    C4     sing N N 145 
U   N3    H3     sing N N 146 
U   C4    O4     doub N N 147 
U   C4    C5     sing N N 148 
U   C5    C6     doub N N 149 
U   C5    H5     sing N N 150 
U   C6    H6     sing N N 151 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
3IBK 'double helix'    
3IBK 'quadruple helix' 
# 
loop_
_ndb_struct_na_base_pair.model_number 
_ndb_struct_na_base_pair.i_label_asym_id 
_ndb_struct_na_base_pair.i_label_comp_id 
_ndb_struct_na_base_pair.i_label_seq_id 
_ndb_struct_na_base_pair.i_symmetry 
_ndb_struct_na_base_pair.j_label_asym_id 
_ndb_struct_na_base_pair.j_label_comp_id 
_ndb_struct_na_base_pair.j_label_seq_id 
_ndb_struct_na_base_pair.j_symmetry 
_ndb_struct_na_base_pair.shear 
_ndb_struct_na_base_pair.stretch 
_ndb_struct_na_base_pair.stagger 
_ndb_struct_na_base_pair.buckle 
_ndb_struct_na_base_pair.propeller 
_ndb_struct_na_base_pair.opening 
_ndb_struct_na_base_pair.pair_number 
_ndb_struct_na_base_pair.pair_name 
_ndb_struct_na_base_pair.i_auth_asym_id 
_ndb_struct_na_base_pair.i_auth_seq_id 
_ndb_struct_na_base_pair.i_PDB_ins_code 
_ndb_struct_na_base_pair.j_auth_asym_id 
_ndb_struct_na_base_pair.j_auth_seq_id 
_ndb_struct_na_base_pair.j_PDB_ins_code 
_ndb_struct_na_base_pair.hbond_type_28 
_ndb_struct_na_base_pair.hbond_type_12 
1 A G 3  1_555 A G 9  1_555 1.735  3.402  -0.118 2.638  -8.765  -90.401 1 A_G3:G9_A   A 3  ? A 9  ? 6 ? 
1 A G 4  1_555 A G 10 1_555 1.485  3.441  0.109  -2.612 -1.950  -89.204 2 A_G4:G10_A  A 4  ? A 10 ? 6 ? 
1 A G 5  1_555 A G 11 1_555 1.502  3.473  -0.240 9.660  -15.516 -92.457 3 A_G5:G11_A  A 5  ? A 11 ? 6 ? 
1 B G 11 1_555 B G 5  1_555 -1.581 -3.319 0.138  -9.810 6.525   91.450  4 B_G23:G17_B B 23 ? B 17 ? 6 ? 
1 B G 10 1_555 B G 4  1_555 -1.597 -3.226 0.129  2.795  -5.406  91.010  5 B_G22:G16_B B 22 ? B 16 ? 6 ? 
# 
loop_
_ndb_struct_na_base_pair_step.model_number 
_ndb_struct_na_base_pair_step.i_label_asym_id_1 
_ndb_struct_na_base_pair_step.i_label_comp_id_1 
_ndb_struct_na_base_pair_step.i_label_seq_id_1 
_ndb_struct_na_base_pair_step.i_symmetry_1 
_ndb_struct_na_base_pair_step.j_label_asym_id_1 
_ndb_struct_na_base_pair_step.j_label_comp_id_1 
_ndb_struct_na_base_pair_step.j_label_seq_id_1 
_ndb_struct_na_base_pair_step.j_symmetry_1 
_ndb_struct_na_base_pair_step.i_label_asym_id_2 
_ndb_struct_na_base_pair_step.i_label_comp_id_2 
_ndb_struct_na_base_pair_step.i_label_seq_id_2 
_ndb_struct_na_base_pair_step.i_symmetry_2 
_ndb_struct_na_base_pair_step.j_label_asym_id_2 
_ndb_struct_na_base_pair_step.j_label_comp_id_2 
_ndb_struct_na_base_pair_step.j_label_seq_id_2 
_ndb_struct_na_base_pair_step.j_symmetry_2 
_ndb_struct_na_base_pair_step.shift 
_ndb_struct_na_base_pair_step.slide 
_ndb_struct_na_base_pair_step.rise 
_ndb_struct_na_base_pair_step.tilt 
_ndb_struct_na_base_pair_step.roll 
_ndb_struct_na_base_pair_step.twist 
_ndb_struct_na_base_pair_step.x_displacement 
_ndb_struct_na_base_pair_step.y_displacement 
_ndb_struct_na_base_pair_step.helical_rise 
_ndb_struct_na_base_pair_step.inclination 
_ndb_struct_na_base_pair_step.tip 
_ndb_struct_na_base_pair_step.helical_twist 
_ndb_struct_na_base_pair_step.step_number 
_ndb_struct_na_base_pair_step.step_name 
_ndb_struct_na_base_pair_step.i_auth_asym_id_1 
_ndb_struct_na_base_pair_step.i_auth_seq_id_1 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_1 
_ndb_struct_na_base_pair_step.j_auth_asym_id_1 
_ndb_struct_na_base_pair_step.j_auth_seq_id_1 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_1 
_ndb_struct_na_base_pair_step.i_auth_asym_id_2 
_ndb_struct_na_base_pair_step.i_auth_seq_id_2 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_2 
_ndb_struct_na_base_pair_step.j_auth_asym_id_2 
_ndb_struct_na_base_pair_step.j_auth_seq_id_2 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_2 
1 A G 3  1_555 A G 9  1_555 A G 4  1_555 A G 10 1_555 -0.689 -0.942 3.499  -4.466 -1.437 33.019   -1.382 0.392 3.596  -2.512 7.809 
33.341   1 AA_G3G4:G10G9_AA    A 3  ? A 9  ? A 4  ? A 10 ? 
1 A G 4  1_555 A G 10 1_555 A G 5  1_555 A G 11 1_555 -0.605 -0.522 2.964  5.431  7.303  25.074   -2.787 2.544 2.529  16.157 
-12.015 26.650   2 AA_G4G5:G11G10_AA   A 4  ? A 10 ? A 5  ? A 11 ? 
1 A G 5  1_555 A G 11 1_555 B G 11 1_555 B G 5  1_555 1.794  3.480  0.416  8.026  -8.483 -179.000 -1.740 0.897 0.418  4.242  4.013 
-179.006 3 AB_G5G23:G17G11_BA  A 5  ? A 11 ? B 23 ? B 17 ? 
1 B G 11 1_555 B G 5  1_555 B G 10 1_555 B G 4  1_555 0.348  0.666  -3.100 -3.483 -5.835 -24.827  -3.000 1.679 -2.798 13.258 
-7.913  -25.726  4 BB_G23G22:G16G17_BB B 23 ? B 17 ? B 22 ? B 16 ? 
# 
loop_
_pdbx_entity_nonpoly.entity_id 
_pdbx_entity_nonpoly.name 
_pdbx_entity_nonpoly.comp_id 
2 'POTASSIUM ION' K   
3 water           HOH 
# 
_pdbx_initial_refinement_model.id               1 
_pdbx_initial_refinement_model.entity_id_list   ? 
_pdbx_initial_refinement_model.type             'experimental model' 
_pdbx_initial_refinement_model.source_name      PDB 
_pdbx_initial_refinement_model.accession_code   1K8P 
_pdbx_initial_refinement_model.details          'PDB entry 1K8P' 
#