data_5K8H
# 
_entry.id   5K8H 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.379 
_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   5K8H         pdb_00005k8h 10.2210/pdb5k8h/pdb 
WWPDB D_1000221863 ?            ?                   
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.entry_id                        5K8H 
_pdbx_database_status.recvd_initial_deposition_date   2016-05-30 
_pdbx_database_status.SG_entry                        N 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.methods_development_category    ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_nmr_data            ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
_audit_author.identifier_ORCID 
'Gleghorn, M.L.' 1 ? 
'Maquat, L.E.'   2 ? 
# 
_citation.abstract                  ? 
_citation.abstract_id_CAS           ? 
_citation.book_id_ISBN              ? 
_citation.book_publisher            ? 
_citation.book_publisher_city       ? 
_citation.book_title                ? 
_citation.coordinate_linkage        ? 
_citation.country                   UK 
_citation.database_id_Medline       ? 
_citation.details                   ? 
_citation.id                        primary 
_citation.journal_abbrev            'Nucleic Acids Res.' 
_citation.journal_id_ASTM           NARHAD 
_citation.journal_id_CSD            0389 
_citation.journal_id_ISSN           1362-4962 
_citation.journal_full              ? 
_citation.journal_issue             ? 
_citation.journal_volume            44 
_citation.language                  ? 
_citation.page_first                8417 
_citation.page_last                 8424 
_citation.title                     
;Crystal structure of a poly(rA) staggered zipper at acidic pH: evidence that adenine N1 protonation mediates parallel double helix formation.
;
_citation.year                      2016 
_citation.database_id_CSD           ? 
_citation.pdbx_database_id_DOI      10.1093/nar/gkw526 
_citation.pdbx_database_id_PubMed   27288442 
_citation.unpublished_flag          ? 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Gleghorn, M.L.' 1 ? 
primary 'Zhao, J.'       2 ? 
primary 'Turner, D.H.'   3 ? 
primary 'Maquat, L.E.'   4 ? 
# 
_cell.angle_alpha                  90.00 
_cell.angle_alpha_esd              ? 
_cell.angle_beta                   90.00 
_cell.angle_beta_esd               ? 
_cell.angle_gamma                  90.00 
_cell.angle_gamma_esd              ? 
_cell.entry_id                     5K8H 
_cell.details                      ? 
_cell.formula_units_Z              ? 
_cell.length_a                     21.253 
_cell.length_a_esd                 ? 
_cell.length_b                     21.253 
_cell.length_b_esd                 ? 
_cell.length_c                     14.946 
_cell.length_c_esd                 ? 
_cell.volume                       ? 
_cell.volume_esd                   ? 
_cell.Z_PDB                        8 
_cell.reciprocal_angle_alpha       ? 
_cell.reciprocal_angle_beta        ? 
_cell.reciprocal_angle_gamma       ? 
_cell.reciprocal_angle_alpha_esd   ? 
_cell.reciprocal_angle_beta_esd    ? 
_cell.reciprocal_angle_gamma_esd   ? 
_cell.reciprocal_length_a          ? 
_cell.reciprocal_length_b          ? 
_cell.reciprocal_length_c          ? 
_cell.reciprocal_length_a_esd      ? 
_cell.reciprocal_length_b_esd      ? 
_cell.reciprocal_length_c_esd      ? 
_cell.pdbx_unique_axis             ? 
# 
_symmetry.entry_id                         5K8H 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                94 
_symmetry.space_group_name_Hall            ? 
_symmetry.space_group_name_H-M             'P 42 21 2' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
# 
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 7-mer'    2259.483 1 ? ? ? ? 
2 non-polymer syn 'AMMONIUM ION' 18.038   1 ? ? ? ? 
3 water       nat water          18.015   8 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   no 
_entity_poly.pdbx_seq_one_letter_code       AAAAAAA 
_entity_poly.pdbx_seq_one_letter_code_can   AAAAAAA 
_entity_poly.pdbx_strand_id                 A 
_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 A n 
1 2 A n 
1 3 A n 
1 4 A n 
1 5 A n 
1 6 A n 
1 7 A 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       1 
_pdbx_entity_src_syn.pdbx_end_seq_num       7 
_pdbx_entity_src_syn.organism_scientific    'synthetic construct' 
_pdbx_entity_src_syn.organism_common_name   ? 
_pdbx_entity_src_syn.ncbi_taxonomy_id       32630 
_pdbx_entity_src_syn.details                ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    5K8H 
_struct_ref.pdbx_db_accession          5K8H 
_struct_ref.pdbx_db_isoform            ? 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           1 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              5K8H 
_struct_ref_seq.pdbx_strand_id                A 
_struct_ref_seq.seq_align_beg                 1 
_struct_ref_seq.pdbx_seq_align_beg_ins_code   ? 
_struct_ref_seq.seq_align_end                 7 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             5K8H 
_struct_ref_seq.db_align_beg                  0 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  6 
_struct_ref_seq.pdbx_db_align_end_ins_code    ? 
_struct_ref_seq.pdbx_auth_seq_align_beg       0 
_struct_ref_seq.pdbx_auth_seq_align_end       6 
# 
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 
A   'RNA linking' y "ADENOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O7 P' 347.221 
HOH non-polymer   . WATER                        ? 'H2 O'            18.015  
NH4 non-polymer   . 'AMMONIUM ION'               ? 'H4 N 1'          18.038  
# 
_exptl.absorpt_coefficient_mu     ? 
_exptl.absorpt_correction_T_max   ? 
_exptl.absorpt_correction_T_min   ? 
_exptl.absorpt_correction_type    ? 
_exptl.absorpt_process_details    ? 
_exptl.entry_id                   5K8H 
_exptl.crystals_number            1 
_exptl.details                    ? 
_exptl.method                     'X-RAY DIFFRACTION' 
_exptl.method_details             ? 
# 
_exptl_crystal.colour                      ? 
_exptl_crystal.density_diffrn              ? 
_exptl_crystal.density_Matthews            1.33 
_exptl_crystal.density_method              ? 
_exptl_crystal.density_percent_sol         8 
_exptl_crystal.description                 ? 
_exptl_crystal.F_000                       ? 
_exptl_crystal.id                          1 
_exptl_crystal.preparation                 ? 
_exptl_crystal.size_max                    ? 
_exptl_crystal.size_mid                    ? 
_exptl_crystal.size_min                    ? 
_exptl_crystal.size_rad                    ? 
_exptl_crystal.colour_lustre               ? 
_exptl_crystal.colour_modifier             ? 
_exptl_crystal.colour_primary              ? 
_exptl_crystal.density_meas                ? 
_exptl_crystal.density_meas_esd            ? 
_exptl_crystal.density_meas_gt             ? 
_exptl_crystal.density_meas_lt             ? 
_exptl_crystal.density_meas_temp           ? 
_exptl_crystal.density_meas_temp_esd       ? 
_exptl_crystal.density_meas_temp_gt        ? 
_exptl_crystal.density_meas_temp_lt        ? 
_exptl_crystal.pdbx_crystal_image_url      ? 
_exptl_crystal.pdbx_crystal_image_format   ? 
_exptl_crystal.pdbx_mosaicity              ? 
_exptl_crystal.pdbx_mosaicity_esd          ? 
# 
_exptl_crystal_grow.apparatus       ? 
_exptl_crystal_grow.atmosphere      ? 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.details         ? 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.method_ref      ? 
_exptl_crystal_grow.pH              3.5 
_exptl_crystal_grow.pressure        ? 
_exptl_crystal_grow.pressure_esd    ? 
_exptl_crystal_grow.seeding         ? 
_exptl_crystal_grow.seeding_ref     ? 
_exptl_crystal_grow.temp            293.15 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.temp_esd        ? 
_exptl_crystal_grow.time            ? 
_exptl_crystal_grow.pdbx_details    
;rA7 dissolved in water to 10 mM and was diluted 1/10 v/v in 0.75% PEG 1000. One uL of this was mixed with 1 uL of the following reservoir solution: (0.24 M ammonium sulfate and 0.06 M citric acid pH 3.5) to generate a hanging drop over 1 mL of this reservoir solution.
;
_exptl_crystal_grow.pdbx_pH_range   ? 
# 
_diffrn.ambient_environment    ? 
_diffrn.ambient_temp           100 
_diffrn.ambient_temp_details   ? 
_diffrn.ambient_temp_esd       ? 
_diffrn.crystal_id             1 
_diffrn.crystal_support        ? 
_diffrn.crystal_treatment      ? 
_diffrn.details                ? 
_diffrn.id                     1 
_diffrn.ambient_pressure       ? 
_diffrn.ambient_pressure_esd   ? 
_diffrn.ambient_pressure_gt    ? 
_diffrn.ambient_pressure_lt    ? 
_diffrn.ambient_temp_gt        ? 
_diffrn.ambient_temp_lt        ? 
# 
_diffrn_detector.details                      ? 
_diffrn_detector.detector                     PIXEL 
_diffrn_detector.diffrn_id                    1 
_diffrn_detector.type                         'DECTRIS PILATUS 6M' 
_diffrn_detector.area_resol_mean              ? 
_diffrn_detector.dtime                        ? 
_diffrn_detector.pdbx_frames_total            ? 
_diffrn_detector.pdbx_collection_time_total   ? 
_diffrn_detector.pdbx_collection_date         2015-03-22 
# 
_diffrn_radiation.collimation                      ? 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.filter_edge                      ? 
_diffrn_radiation.inhomogeneity                    ? 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.polarisn_norm                    ? 
_diffrn_radiation.polarisn_ratio                   ? 
_diffrn_radiation.probe                            ? 
_diffrn_radiation.type                             ? 
_diffrn_radiation.xray_symbol                      ? 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.pdbx_wavelength_list             ? 
_diffrn_radiation.pdbx_wavelength                  ? 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_analyzer                    ? 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   0.95530 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.current                     ? 
_diffrn_source.details                     ? 
_diffrn_source.diffrn_id                   1 
_diffrn_source.power                       ? 
_diffrn_source.size                        ? 
_diffrn_source.source                      SYNCHROTRON 
_diffrn_source.target                      ? 
_diffrn_source.type                        'SSRL BEAMLINE BL12-2' 
_diffrn_source.voltage                     ? 
_diffrn_source.take-off_angle              ? 
_diffrn_source.pdbx_wavelength_list        0.95530 
_diffrn_source.pdbx_wavelength             ? 
_diffrn_source.pdbx_synchrotron_beamline   BL12-2 
_diffrn_source.pdbx_synchrotron_site       SSRL 
# 
_reflns.B_iso_Wilson_estimate            ? 
_reflns.entry_id                         5K8H 
_reflns.data_reduction_details           ? 
_reflns.data_reduction_method            ? 
_reflns.d_resolution_high                1.069 
_reflns.d_resolution_low                 21.25 
_reflns.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.number_all                       ? 
_reflns.number_obs                       1679 
_reflns.observed_criterion               ? 
_reflns.observed_criterion_F_max         ? 
_reflns.observed_criterion_F_min         ? 
_reflns.observed_criterion_I_max         ? 
_reflns.observed_criterion_I_min         ? 
_reflns.observed_criterion_sigma_F       ? 
_reflns.observed_criterion_sigma_I       ? 
_reflns.percent_possible_obs             97.6 
_reflns.R_free_details                   ? 
_reflns.Rmerge_F_all                     ? 
_reflns.Rmerge_F_obs                     ? 
_reflns.Friedel_coverage                 ? 
_reflns.number_gt                        ? 
_reflns.threshold_expression             ? 
_reflns.pdbx_redundancy                  19.3 
_reflns.pdbx_Rmerge_I_obs                0.127 
_reflns.pdbx_Rmerge_I_all                ? 
_reflns.pdbx_Rsym_value                  ? 
_reflns.pdbx_netI_over_av_sigmaI         ? 
_reflns.pdbx_netI_over_sigmaI            15 
_reflns.pdbx_res_netI_over_av_sigmaI_2   ? 
_reflns.pdbx_res_netI_over_sigmaI_2      ? 
_reflns.pdbx_chi_squared                 ? 
_reflns.pdbx_scaling_rejects             ? 
_reflns.pdbx_d_res_high_opt              ? 
_reflns.pdbx_d_res_low_opt               ? 
_reflns.pdbx_d_res_opt_method            ? 
_reflns.phase_calculation_details        ? 
_reflns.pdbx_Rrim_I_all                  ? 
_reflns.pdbx_Rpim_I_all                  0.032 
_reflns.pdbx_d_opt                       ? 
_reflns.pdbx_number_measured_all         ? 
_reflns.pdbx_diffrn_id                   1 
_reflns.pdbx_ordinal                     1 
_reflns.pdbx_CC_half                     0.994 
_reflns.pdbx_R_split                     ? 
# 
_reflns_shell.d_res_high                  1.069 
_reflns_shell.d_res_low                   1.14 
_reflns_shell.meanI_over_sigI_all         ? 
_reflns_shell.meanI_over_sigI_obs         3.1 
_reflns_shell.number_measured_all         ? 
_reflns_shell.number_measured_obs         ? 
_reflns_shell.number_possible             ? 
_reflns_shell.number_unique_all           247 
_reflns_shell.number_unique_obs           ? 
_reflns_shell.percent_possible_all        87.2 
_reflns_shell.percent_possible_obs        ? 
_reflns_shell.Rmerge_F_all                ? 
_reflns_shell.Rmerge_F_obs                ? 
_reflns_shell.Rmerge_I_all                ? 
_reflns_shell.Rmerge_I_obs                1.059 
_reflns_shell.meanI_over_sigI_gt          ? 
_reflns_shell.meanI_over_uI_all           ? 
_reflns_shell.meanI_over_uI_gt            ? 
_reflns_shell.number_measured_gt          ? 
_reflns_shell.number_unique_gt            ? 
_reflns_shell.percent_possible_gt         ? 
_reflns_shell.Rmerge_F_gt                 ? 
_reflns_shell.Rmerge_I_gt                 ? 
_reflns_shell.pdbx_redundancy             8.9 
_reflns_shell.pdbx_Rsym_value             ? 
_reflns_shell.pdbx_chi_squared            ? 
_reflns_shell.pdbx_netI_over_sigmaI_all   ? 
_reflns_shell.pdbx_netI_over_sigmaI_obs   ? 
_reflns_shell.pdbx_Rrim_I_all             ? 
_reflns_shell.pdbx_Rpim_I_all             0.333 
_reflns_shell.pdbx_rejects                ? 
_reflns_shell.pdbx_ordinal                1 
_reflns_shell.pdbx_diffrn_id              1 
_reflns_shell.pdbx_CC_half                0.987 
_reflns_shell.pdbx_R_split                ? 
# 
_refine.aniso_B[1][1]                            ? 
_refine.aniso_B[1][2]                            ? 
_refine.aniso_B[1][3]                            ? 
_refine.aniso_B[2][2]                            ? 
_refine.aniso_B[2][3]                            ? 
_refine.aniso_B[3][3]                            ? 
_refine.B_iso_max                                ? 
_refine.B_iso_mean                               ? 
_refine.B_iso_min                                ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_refine.details                                  ? 
_refine.diff_density_max                         ? 
_refine.diff_density_max_esd                     ? 
_refine.diff_density_min                         ? 
_refine.diff_density_min_esd                     ? 
_refine.diff_density_rms                         ? 
_refine.diff_density_rms_esd                     ? 
_refine.entry_id                                 5K8H 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.ls_abs_structure_details                 ? 
_refine.ls_abs_structure_Flack                   ? 
_refine.ls_abs_structure_Flack_esd               ? 
_refine.ls_abs_structure_Rogers                  ? 
_refine.ls_abs_structure_Rogers_esd              ? 
_refine.ls_d_res_high                            1.069 
_refine.ls_d_res_low                             15.028 
_refine.ls_extinction_coef                       ? 
_refine.ls_extinction_coef_esd                   ? 
_refine.ls_extinction_expression                 ? 
_refine.ls_extinction_method                     ? 
_refine.ls_goodness_of_fit_all                   ? 
_refine.ls_goodness_of_fit_all_esd               ? 
_refine.ls_goodness_of_fit_obs                   ? 
_refine.ls_goodness_of_fit_obs_esd               ? 
_refine.ls_hydrogen_treatment                    ? 
_refine.ls_matrix_type                           ? 
_refine.ls_number_constraints                    ? 
_refine.ls_number_parameters                     ? 
_refine.ls_number_reflns_all                     ? 
_refine.ls_number_reflns_obs                     1619 
_refine.ls_number_reflns_R_free                  146 
_refine.ls_number_reflns_R_work                  1473 
_refine.ls_number_restraints                     ? 
_refine.ls_percent_reflns_obs                    94.84 
_refine.ls_percent_reflns_R_free                 9.02 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_obs                          0.1063 
_refine.ls_R_factor_R_free                       0.1080 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_R_factor_R_work                       0.1061 
_refine.ls_R_Fsqd_factor_obs                     ? 
_refine.ls_R_I_factor_obs                        ? 
_refine.ls_redundancy_reflns_all                 ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.ls_restrained_S_all                      ? 
_refine.ls_restrained_S_obs                      ? 
_refine.ls_shift_over_esd_max                    ? 
_refine.ls_shift_over_esd_mean                   ? 
_refine.ls_structure_factor_coef                 ? 
_refine.ls_weighting_details                     ? 
_refine.ls_weighting_scheme                      ? 
_refine.ls_wR_factor_all                         ? 
_refine.ls_wR_factor_obs                         ? 
_refine.ls_wR_factor_R_free                      ? 
_refine.ls_wR_factor_R_work                      ? 
_refine.occupancy_max                            ? 
_refine.occupancy_min                            ? 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_bsol                 ? 
_refine.solvent_model_param_ksol                 ? 
_refine.ls_R_factor_gt                           ? 
_refine.ls_goodness_of_fit_gt                    ? 
_refine.ls_goodness_of_fit_ref                   ? 
_refine.ls_shift_over_su_max                     ? 
_refine.ls_shift_over_su_max_lt                  ? 
_refine.ls_shift_over_su_mean                    ? 
_refine.ls_shift_over_su_mean_lt                 ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          ? 
_refine.pdbx_ls_sigma_Fsqd                       ? 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_ls_cross_valid_method               'FREE R-VALUE' 
_refine.pdbx_method_to_determine_struct          'MOLECULAR REPLACEMENT' 
_refine.pdbx_starting_model                      'rA2 section of the 4JRD' 
_refine.pdbx_stereochemistry_target_values       ? 
_refine.pdbx_R_Free_selection_details            ? 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.pdbx_real_space_R                        ? 
_refine.pdbx_density_correlation                 ? 
_refine.pdbx_pd_number_of_powder_patterns        ? 
_refine.pdbx_pd_number_of_points                 ? 
_refine.pdbx_pd_meas_number_of_points            ? 
_refine.pdbx_pd_proc_ls_prof_R_factor            ? 
_refine.pdbx_pd_proc_ls_prof_wR_factor           ? 
_refine.pdbx_pd_Marquardt_correlation_coeff      ? 
_refine.pdbx_pd_Fsqrd_R_factor                   ? 
_refine.pdbx_pd_ls_matrix_band_width             ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.pdbx_diffrn_id                           1 
_refine.overall_SU_B                             ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_refine.overall_FOM_free_R_set                   ? 
_refine.overall_FOM_work_R_set                   ? 
_refine.pdbx_average_fsc_overall                 ? 
_refine.pdbx_average_fsc_work                    ? 
_refine.pdbx_average_fsc_free                    ? 
# 
_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   44 
_refine_hist.pdbx_number_atoms_ligand         1 
_refine_hist.number_atoms_solvent             8 
_refine_hist.number_atoms_total               53 
_refine_hist.d_res_high                       1.069 
_refine_hist.d_res_low                        15.028 
# 
_refine_ls_shell.R_factor_R_free                  0.3975 
_refine_ls_shell.R_factor_R_free_error            ? 
_refine_ls_shell.R_factor_R_work                  0.3180 
_refine_ls_shell.R_factor_all                     ? 
_refine_ls_shell.R_factor_obs                     0.318 
_refine_ls_shell.d_res_high                       1.069 
_refine_ls_shell.d_res_low                        1.107 
_refine_ls_shell.number_reflns_R_free             ? 
_refine_ls_shell.number_reflns_R_work             ? 
_refine_ls_shell.number_reflns_all                ? 
_refine_ls_shell.number_reflns_obs                ? 
_refine_ls_shell.pdbx_fsc_free                    ? 
_refine_ls_shell.pdbx_fsc_work                    ? 
_refine_ls_shell.pdbx_phase_error                 ? 
_refine_ls_shell.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_ls_shell.pdbx_total_number_of_bins_used   ? 
_refine_ls_shell.percent_reflns_R_free            ? 
_refine_ls_shell.percent_reflns_obs               ? 
_refine_ls_shell.redundancy_reflns_all            ? 
_refine_ls_shell.redundancy_reflns_obs            ? 
_refine_ls_shell.wR_factor_R_free                 ? 
_refine_ls_shell.wR_factor_R_work                 ? 
_refine_ls_shell.wR_factor_all                    ? 
_refine_ls_shell.wR_factor_obs                    ? 
# 
_struct.entry_id                     5K8H 
_struct.title                        
'The X-ray crystal structure of a parallel poly(rA) double helix generated by rA7 at acidic pH' 
_struct.pdbx_model_details           ? 
_struct.pdbx_formula_weight          ? 
_struct.pdbx_formula_weight_method   ? 
_struct.pdbx_model_type_details      ? 
_struct.pdbx_CASP_flag               N 
# 
_struct_keywords.entry_id        5K8H 
_struct_keywords.text            'parallel double-helix poly(rA) acidic pH adenine N1 protonation, RNA' 
_struct_keywords.pdbx_keywords   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 2 ? 
C N N 3 ? 
# 
_struct_biol.id        1 
_struct_biol.details   
;The asymmetric unit is rA2, however the input RNA polymer is rA7, and this forms a continual parallel poly(rA) double helix structure. This structure is referred to as a "staggered zipper" since the rA7 strands overlap in a many different registers relative to their opposite, paired strands, to form the helix.
;
# 
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 
hydrog1 hydrog ? ? A A 2 N6 ? ? ? 1_555 A A 2 N7 ? ? A A 1 A A 1 2_835 ? ? ? ? ? ? TYPE_2_PAIR ? ? ? 
hydrog2 hydrog ? ? A A 2 N7 ? ? ? 1_555 A A 2 N6 ? ? A A 1 A A 1 2_835 ? ? ? ? ? ? TYPE_2_PAIR ? ? ? 
hydrog3 hydrog ? ? A A 3 N6 ? ? ? 1_555 A A 3 N7 ? ? A A 2 A A 2 2_835 ? ? ? ? ? ? TYPE_2_PAIR ? ? ? 
hydrog4 hydrog ? ? A A 3 N7 ? ? ? 1_555 A A 3 N6 ? ? A A 2 A A 2 2_835 ? ? ? ? ? ? TYPE_2_PAIR ? ? ? 
# 
_struct_conn_type.id          hydrog 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    A 
_struct_site.pdbx_auth_comp_id    NH4 
_struct_site.pdbx_auth_seq_id     101 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    4 
_struct_site.details              'binding site for residue NH4 A 101' 
# 
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 4 A A 2 ? A A 1 . ? 7_736 ? 
2 AC1 4 A A 2 ? A A 1 . ? 4_755 ? 
3 AC1 4 A A 2 ? A A 1 . ? 1_555 ? 
4 AC1 4 A A 3 ? A A 2 . ? 1_555 ? 
# 
_atom_sites.entry_id                    5K8H 
_atom_sites.fract_transf_matrix[1][1]   0.047053 
_atom_sites.fract_transf_matrix[1][2]   0.000000 
_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]   0.047053 
_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]   0.066908 
_atom_sites.fract_transf_vector[1]      0.00000 
_atom_sites.fract_transf_vector[2]      0.00000 
_atom_sites.fract_transf_vector[3]      0.00000 
# 
loop_
_atom_type.symbol 
C 
H 
N 
O 
P 
# 
loop_
_atom_site.group_PDB 
_atom_site.id 
_atom_site.type_symbol 
_atom_site.label_atom_id 
_atom_site.label_alt_id 
_atom_site.label_comp_id 
_atom_site.label_asym_id 
_atom_site.label_entity_id 
_atom_site.label_seq_id 
_atom_site.pdbx_PDB_ins_code 
_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_seq_id 
_atom_site.auth_comp_id 
_atom_site.auth_asym_id 
_atom_site.auth_atom_id 
_atom_site.pdbx_PDB_model_num 
ATOM   1  P P      . A   A 1 2 ? 28.742 -16.458 5.094  1.00 24.60 ? 1   A   A P      1 
ATOM   2  O OP1    . A   A 1 2 ? 28.458 -15.384 6.081  1.00 29.35 ? 1   A   A OP1    1 
ATOM   3  O OP2    . A   A 1 2 ? 30.221 -16.843 5.039  0.94 21.82 ? 1   A   A OP2    1 
ATOM   4  O "O5'"  . A   A 1 2 ? 27.850 -17.815 5.246  0.83 21.42 ? 1   A   A "O5'"  1 
ATOM   5  C "C5'"  . A   A 1 2 ? 26.513 -17.680 5.364  1.00 23.87 ? 1   A   A "C5'"  1 
ATOM   6  C "C4'"  . A   A 1 2 ? 25.784 -18.967 5.247  1.00 24.23 ? 1   A   A "C4'"  1 
ATOM   7  O "O4'"  . A   A 1 2 ? 26.211 -19.548 4.003  1.00 25.07 ? 1   A   A "O4'"  1 
ATOM   8  C "C3'"  . A   A 1 2 ? 26.203 -20.000 6.364  1.00 20.17 ? 1   A   A "C3'"  1 
ATOM   9  O "O3'"  . A   A 1 2 ? 25.475 -19.877 7.467  1.00 20.55 ? 1   A   A "O3'"  1 
ATOM   10 C "C2'"  . A   A 1 2 ? 25.941 -21.239 5.604  1.00 22.79 ? 1   A   A "C2'"  1 
ATOM   11 O "O2'"  . A   A 1 2 ? 24.472 -21.576 5.596  1.00 28.45 ? 1   A   A "O2'"  1 
ATOM   12 C "C1'"  . A   A 1 2 ? 26.328 -20.917 4.184  1.00 22.56 ? 1   A   A "C1'"  1 
ATOM   13 N N9     . A   A 1 2 ? 27.811 -21.349 4.133  1.00 17.39 ? 1   A   A N9     1 
ATOM   14 C C8     . A   A 1 2 ? 28.831 -20.502 4.030  1.00 16.65 ? 1   A   A C8     1 
ATOM   15 N N7     . A   A 1 2 ? 30.020 -21.108 4.084  1.00 15.64 ? 1   A   A N7     1 
ATOM   16 C C5     . A   A 1 2 ? 29.721 -22.471 4.185  1.00 14.96 ? 1   A   A C5     1 
ATOM   17 C C6     . A   A 1 2 ? 30.620 -23.538 4.340  1.00 16.26 ? 1   A   A C6     1 
ATOM   18 N N6     . A   A 1 2 ? 31.850 -23.565 4.370  1.00 16.19 ? 1   A   A N6     1 
ATOM   19 N N1     . A   A 1 2 ? 29.855 -24.694 4.475  1.00 19.86 ? 1   A   A N1     1 
ATOM   20 C C2     . A   A 1 2 ? 28.444 -24.785 4.436  1.00 22.78 ? 1   A   A C2     1 
ATOM   21 N N3     . A   A 1 2 ? 27.680 -23.737 4.311  1.00 20.13 ? 1   A   A N3     1 
ATOM   22 C C4     . A   A 1 2 ? 28.375 -22.634 4.203  1.00 17.28 ? 1   A   A C4     1 
ATOM   23 H "H5'"  . A   A 1 2 ? 26.198 -17.080 4.670  1.00 28.65 ? 1   A   A "H5'"  1 
ATOM   24 H "H5''" . A   A 1 2 ? 26.315 -17.288 6.229  1.00 28.65 ? 1   A   A "H5''" 1 
ATOM   25 H "H4'"  . A   A 1 2 ? 24.825 -18.824 5.249  1.00 29.08 ? 1   A   A "H4'"  1 
ATOM   26 H "H3'"  . A   A 1 2 ? 27.148 -19.918 6.565  1.00 24.20 ? 1   A   A "H3'"  1 
ATOM   27 H "H2'"  . A   A 1 2 ? 26.467 -21.977 5.948  1.00 27.35 ? 1   A   A "H2'"  1 
ATOM   28 H "H1'"  . A   A 1 2 ? 25.789 -21.412 3.547  1.00 27.07 ? 1   A   A "H1'"  1 
ATOM   29 H H8     . A   A 1 2 ? 28.728 -19.580 3.966  1.00 19.98 ? 1   A   A H8     1 
ATOM   30 H H61    . A   A 1 2 ? 32.298 -22.836 4.284  1.00 19.43 ? 1   A   A H61    1 
ATOM   31 H H62    . A   A 1 2 ? 32.261 -24.313 4.477  1.00 19.43 ? 1   A   A H62    1 
ATOM   32 H H2     . A   A 1 2 ? 28.046 -25.621 4.527  1.00 27.34 ? 1   A   A H2     1 
ATOM   33 P P      . A   A 1 3 ? 26.177 -20.207 8.847  0.82 15.69 ? 2   A   A P      1 
ATOM   34 O OP1    . A   A 1 3 ? 25.160 -19.887 9.892  0.99 19.66 ? 2   A   A OP1    1 
ATOM   35 O OP2    . A   A 1 3 ? 27.462 -19.537 8.915  0.90 17.35 ? 2   A   A OP2    1 
ATOM   36 O "O5'"  . A   A 1 3 ? 26.554 -21.785 8.763  0.95 15.49 ? 2   A   A "O5'"  1 
ATOM   37 C "C5'"  . A   A 1 3 ? 25.522 -22.805 8.848  1.00 18.49 ? 2   A   A "C5'"  1 
ATOM   38 C "C4'"  . A   A 1 3 ? 26.087 -24.195 8.834  1.00 17.40 ? 2   A   A "C4'"  1 
ATOM   39 O "O4'"  . A   A 1 3 ? 26.885 -24.351 7.651  1.00 15.30 ? 2   A   A "O4'"  1 
ATOM   40 C "C3'"  . A   A 1 3 ? 27.086 -24.542 9.961  1.00 17.98 ? 2   A   A "C3'"  1 
ATOM   41 O "O3'"  . A   A 1 3 ? 26.418 -24.816 11.136 1.00 21.68 ? 2   A   A "O3'"  1 
ATOM   42 C "C2'"  . A   A 1 3 ? 27.913 -25.629 9.327  1.00 17.69 ? 2   A   A "C2'"  1 
ATOM   43 O "O2'"  . A   A 1 3 ? 27.187 -26.864 9.412  1.00 20.81 ? 2   A   A "O2'"  1 
ATOM   44 C "C1'"  . A   A 1 3 ? 28.022 -25.156 7.925  1.00 15.37 ? 2   A   A "C1'"  1 
ATOM   45 N N9     . A   A 1 3 ? 29.259 -24.313 7.832  1.00 14.59 ? 2   A   A N9     1 
ATOM   46 C C8     . A   A 1 3 ? 29.299 -22.932 7.728  1.00 14.12 ? 2   A   A C8     1 
ATOM   47 N N7     . A   A 1 3 ? 30.524 -22.502 7.782  1.00 12.38 ? 2   A   A N7     1 
ATOM   48 C C5     . A   A 1 3 ? 31.297 -23.657 7.901  1.00 11.91 ? 2   A   A C5     1 
ATOM   49 C C6     . A   A 1 3 ? 32.653 -23.819 8.079  1.00 12.06 ? 2   A   A C6     1 
ATOM   50 N N6     . A   A 1 3 ? 33.547 -22.889 8.117  1.00 13.45 ? 2   A   A N6     1 
ATOM   51 N N1     . A   A 1 3 ? 33.088 -25.114 8.198  1.00 14.25 ? 2   A   A N1     1 
ATOM   52 C C2     . A   A 1 3 ? 32.238 -26.088 8.206  1.00 16.50 ? 2   A   A C2     1 
ATOM   53 N N3     . A   A 1 3 ? 30.968 -26.040 8.020  1.00 16.39 ? 2   A   A N3     1 
ATOM   54 C C4     . A   A 1 3 ? 30.524 -24.794 7.923  1.00 13.65 ? 2   A   A C4     1 
ATOM   55 H "H5'"  . A   A 1 3 ? 24.919 -22.704 8.095  1.00 22.19 ? 2   A   A "H5'"  1 
ATOM   56 H "H5''" . A   A 1 3 ? 25.022 -22.678 9.670  1.00 22.19 ? 2   A   A "H5''" 1 
ATOM   57 H "H4'"  . A   A 1 3 ? 25.364 -24.842 8.827  1.00 20.89 ? 2   A   A "H4'"  1 
ATOM   58 H "H3'"  . A   A 1 3 ? 27.658 -23.773 10.110 1.00 21.57 ? 2   A   A "H3'"  1 
ATOM   59 H "H2'"  . A   A 1 3 ? 28.785 -25.698 9.746  1.00 21.23 ? 2   A   A "H2'"  1 
ATOM   60 H "H1'"  . A   A 1 3 ? 28.069 -25.906 7.312  1.00 18.45 ? 2   A   A "H1'"  1 
ATOM   61 H H8     . A   A 1 3 ? 28.550 -22.386 7.656  1.00 16.94 ? 2   A   A H8     1 
ATOM   62 H H61    . A   A 1 3 ? 33.313 -22.065 8.046  1.00 16.15 ? 2   A   A H61    1 
ATOM   63 H H62    . A   A 1 3 ? 34.377 -23.094 8.214  1.00 16.15 ? 2   A   A H62    1 
ATOM   64 H H2     . A   A 1 3 ? 32.603 -26.941 8.276  1.00 19.80 ? 2   A   A H2     1 
HETATM 65 N N      . NH4 B 2 . ? 28.160 -16.919 8.687  1.00 18.54 ? 101 NH4 A N      1 
HETATM 66 O O      . HOH C 3 . ? 22.257 -20.229 6.259  1.00 56.51 ? 201 HOH A O      1 
HETATM 67 O O      . HOH C 3 . ? 32.736 -15.465 4.861  1.00 30.00 ? 202 HOH A O      1 
HETATM 68 O O      . HOH C 3 . ? 29.662 -14.244 10.152 1.00 50.40 ? 203 HOH A O      1 
HETATM 69 O O      . HOH C 3 . ? 21.631 -19.785 4.553  0.31 30.00 ? 204 HOH A O      1 
HETATM 70 O O      . HOH C 3 . ? 31.276 -13.308 6.544  1.00 52.34 ? 205 HOH A O      1 
HETATM 71 O O      . HOH C 3 . ? 22.811 -22.674 11.547 1.00 61.79 ? 206 HOH A O      1 
HETATM 72 O O      . HOH C 3 . ? 31.109 -29.792 9.480  1.00 64.56 ? 207 HOH A O      1 
HETATM 73 O O      . HOH C 3 . ? 28.797 -28.959 6.149  1.00 33.52 ? 208 HOH A O      1 
# 
loop_
_atom_site_anisotrop.id 
_atom_site_anisotrop.type_symbol 
_atom_site_anisotrop.pdbx_label_atom_id 
_atom_site_anisotrop.pdbx_label_alt_id 
_atom_site_anisotrop.pdbx_label_comp_id 
_atom_site_anisotrop.pdbx_label_asym_id 
_atom_site_anisotrop.pdbx_label_seq_id 
_atom_site_anisotrop.pdbx_PDB_ins_code 
_atom_site_anisotrop.U[1][1] 
_atom_site_anisotrop.U[2][2] 
_atom_site_anisotrop.U[3][3] 
_atom_site_anisotrop.U[1][2] 
_atom_site_anisotrop.U[1][3] 
_atom_site_anisotrop.U[2][3] 
_atom_site_anisotrop.pdbx_auth_seq_id 
_atom_site_anisotrop.pdbx_auth_comp_id 
_atom_site_anisotrop.pdbx_auth_asym_id 
_atom_site_anisotrop.pdbx_auth_atom_id 
1  P P     . A   A 2 ? 0.4886 0.2944 0.1516 0.1750  0.0212  -0.0001 1   A   A P     
2  O OP1   . A   A 2 ? 0.5904 0.3412 0.1834 0.1966  0.0413  0.0025  1   A   A OP1   
3  O OP2   . A   A 2 ? 0.4600 0.2347 0.1342 0.1221  -0.0381 -0.0180 1   A   A OP2   
4  O "O5'" . A   A 2 ? 0.3732 0.2644 0.1761 0.1453  0.0993  0.0624  1   A   A "O5'" 
5  C "C5'" . A   A 2 ? 0.3684 0.3607 0.1779 0.1741  0.0887  0.0717  1   A   A "C5'" 
6  C "C4'" . A   A 2 ? 0.2847 0.4071 0.2290 0.1347  0.0628  0.0539  1   A   A "C4'" 
7  O "O4'" . A   A 2 ? 0.3085 0.4813 0.1629 0.1358  0.0284  0.0642  1   A   A "O4'" 
8  C "C3'" . A   A 2 ? 0.2364 0.4166 0.1133 0.0706  0.0189  0.0104  1   A   A "C3'" 
9  O "O3'" . A   A 2 ? 0.2277 0.3886 0.1645 0.0610  0.0312  0.0513  1   A   A "O3'" 
10 C "C2'" . A   A 2 ? 0.1889 0.5194 0.1576 0.0841  0.0275  0.0754  1   A   A "C2'" 
11 O "O2'" . A   A 2 ? 0.2991 0.6070 0.1749 0.0084  0.0189  0.0705  1   A   A "O2'" 
12 C "C1'" . A   A 2 ? 0.2189 0.4634 0.1749 0.0521  0.0044  0.0303  1   A   A "C1'" 
13 N N9    . A   A 2 ? 0.2563 0.2837 0.1206 0.0297  0.0336  0.0436  1   A   A N9    
14 C C8    . A   A 2 ? 0.2813 0.2290 0.1223 0.0373  0.0358  0.0387  1   A   A C8    
15 N N7    . A   A 2 ? 0.2411 0.2418 0.1113 0.0263  0.0053  0.0156  1   A   A N7    
16 C C5    . A   A 2 ? 0.2230 0.2581 0.0873 -0.0312 0.0059  0.0116  1   A   A C5    
17 C C6    . A   A 2 ? 0.3411 0.1870 0.0897 0.0104  0.0236  0.0055  1   A   A C6    
18 N N6    . A   A 2 ? 0.2497 0.2424 0.1231 0.0394  0.0157  0.0049  1   A   A N6    
19 N N1    . A   A 2 ? 0.3628 0.2629 0.1287 -0.0512 0.0183  0.0024  1   A   A N1    
20 C C2    . A   A 2 ? 0.5039 0.2226 0.1391 -0.1145 0.0031  0.0112  1   A   A C2    
21 N N3    . A   A 2 ? 0.3423 0.2754 0.1472 -0.0750 0.0046  0.0063  1   A   A N3    
22 C C4    . A   A 2 ? 0.3097 0.2464 0.1005 -0.0414 -0.0055 0.0148  1   A   A C4    
33 P P     . A   A 3 ? 0.2030 0.2576 0.1357 0.0107  0.0238  0.0168  2   A   A P     
34 O OP1   . A   A 3 ? 0.2498 0.3111 0.1860 0.0111  0.0483  0.0238  2   A   A OP1   
35 O OP2   . A   A 3 ? 0.2342 0.2298 0.1953 0.0034  0.0311  0.0096  2   A   A OP2   
36 O "O5'" . A   A 3 ? 0.1873 0.2382 0.1629 -0.0190 0.0205  -0.0075 2   A   A "O5'" 
37 C "C5'" . A   A 3 ? 0.1942 0.3515 0.1568 -0.0303 0.0066  0.0010  2   A   A "C5'" 
38 C "C4'" . A   A 3 ? 0.1936 0.2998 0.1679 -0.0728 -0.0012 0.0087  2   A   A "C4'" 
39 O "O4'" . A   A 3 ? 0.2018 0.2412 0.1384 -0.0473 -0.0076 -0.0023 2   A   A "O4'" 
40 C "C3'" . A   A 3 ? 0.2398 0.3352 0.1081 -0.1206 -0.0037 0.0236  2   A   A "C3'" 
41 O "O3'" . A   A 3 ? 0.2575 0.4322 0.1340 -0.1388 -0.0050 0.0254  2   A   A "O3'" 
42 C "C2'" . A   A 3 ? 0.2722 0.2791 0.1209 -0.1180 -0.0044 0.0298  2   A   A "C2'" 
43 O "O2'" . A   A 3 ? 0.3300 0.2992 0.1614 -0.1403 -0.0512 0.0622  2   A   A "O2'" 
44 C "C1'" . A   A 3 ? 0.2290 0.2042 0.1509 -0.0753 -0.0248 0.0147  2   A   A "C1'" 
45 N N9    . A   A 3 ? 0.2261 0.2126 0.1158 -0.0409 -0.0049 -0.0091 2   A   A N9    
46 C C8    . A   A 3 ? 0.2173 0.2067 0.1124 -0.0535 0.0008  0.0005  2   A   A C8    
47 N N7    . A   A 3 ? 0.1729 0.1823 0.1153 -0.0122 0.0043  0.0020  2   A   A N7    
48 C C5    . A   A 3 ? 0.1754 0.1866 0.0906 -0.0164 0.0137  -0.0008 2   A   A C5    
49 C C6    . A   A 3 ? 0.1679 0.1926 0.0978 -0.0110 0.0211  0.0050  2   A   A C6    
50 N N6    . A   A 3 ? 0.1834 0.2041 0.1237 0.0061  0.0089  0.0079  2   A   A N6    
51 N N1    . A   A 3 ? 0.2026 0.2056 0.1332 0.0098  0.0058  0.0121  2   A   A N1    
52 C C2    . A   A 3 ? 0.2554 0.2374 0.1341 -0.0173 0.0012  0.0012  2   A   A C2    
53 N N3    . A   A 3 ? 0.2942 0.1784 0.1500 -0.0403 -0.0026 -0.0034 2   A   A N3    
54 C C4    . A   A 3 ? 0.2115 0.1949 0.1122 -0.0373 -0.0038 -0.0031 2   A   A C4    
65 N N     . NH4 B . ? 0.2121 0.2249 0.2673 0.0502  0.0390  -0.0021 101 NH4 A N     
66 O O     . HOH C . ? 0.5406 0.4594 1.1470 0.0792  -0.0530 0.0049  201 HOH A O     
67 O O     . HOH C . ? 0.3799 0.3799 0.3799 0.0000  0.0000  0.0000  202 HOH A O     
68 O O     . HOH C . ? 0.3361 0.4370 1.1417 0.0602  0.0412  -0.0435 203 HOH A O     
69 O O     . HOH C . ? 0.3799 0.3799 0.3799 0.0000  0.0000  0.0000  204 HOH A O     
70 O O     . HOH C . ? 0.7151 0.8003 0.4733 0.0129  0.0436  0.1014  205 HOH A O     
71 O O     . HOH C . ? 0.7653 0.7169 0.8654 -0.2297 0.0035  0.2180  206 HOH A O     
72 O O     . HOH C . ? 0.7917 0.6020 1.0593 0.2636  -0.4759 -0.2422 207 HOH A O     
73 O O     . HOH C . ? 0.2946 0.6175 0.3615 -0.0097 0.0461  -0.1078 208 HOH A O     
# 
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 A 1 0 ? ? ? A . n 
A 1 2 A 2 1 1 A A A . n 
A 1 3 A 3 2 2 A A A . n 
A 1 4 A 4 3 ? ? ? A . n 
A 1 5 A 5 4 ? ? ? A . n 
A 1 6 A 6 5 ? ? ? A . n 
A 1 7 A 7 6 ? ? ? A . 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 
B 2 NH4 1 101 1  NH4 NH4 A . 
C 3 HOH 1 201 7  HOH HOH A . 
C 3 HOH 2 202 10 HOH HOH A . 
C 3 HOH 3 203 4  HOH HOH A . 
C 3 HOH 4 204 11 HOH HOH A . 
C 3 HOH 5 205 9  HOH HOH A . 
C 3 HOH 6 206 5  HOH HOH A . 
C 3 HOH 7 207 1  HOH HOH A . 
C 3 HOH 8 208 2  HOH HOH A . 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   dimeric 
_pdbx_struct_assembly.oligomeric_count     2 
# 
loop_
_pdbx_struct_assembly_gen.assembly_id 
_pdbx_struct_assembly_gen.oper_expression 
_pdbx_struct_assembly_gen.asym_id_list 
1 1 A,B,C 
1 2 A,B,C 
# 
loop_
_pdbx_struct_oper_list.id 
_pdbx_struct_oper_list.type 
_pdbx_struct_oper_list.name 
_pdbx_struct_oper_list.symmetry_operation 
_pdbx_struct_oper_list.matrix[1][1] 
_pdbx_struct_oper_list.matrix[1][2] 
_pdbx_struct_oper_list.matrix[1][3] 
_pdbx_struct_oper_list.vector[1] 
_pdbx_struct_oper_list.matrix[2][1] 
_pdbx_struct_oper_list.matrix[2][2] 
_pdbx_struct_oper_list.matrix[2][3] 
_pdbx_struct_oper_list.vector[2] 
_pdbx_struct_oper_list.matrix[3][1] 
_pdbx_struct_oper_list.matrix[3][2] 
_pdbx_struct_oper_list.matrix[3][3] 
_pdbx_struct_oper_list.vector[3] 
1 'identity operation'         1_555 x,y,z       1.0000000000  0.0000000000 0.0000000000 0.0000000000  0.0000000000 1.0000000000  
0.0000000000 0.0000000000   0.0000000000 0.0000000000 1.0000000000 0.0000000000 
2 'crystal symmetry operation' 2_835 -x+3,-y-2,z -1.0000000000 0.0000000000 0.0000000000 63.7590000000 0.0000000000 -1.0000000000 
0.0000000000 -42.5060000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 
# 
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 2016-07-06 
2 'Structure model' 1 1 2016-07-13 
3 'Structure model' 1 2 2016-07-20 
4 'Structure model' 1 3 2016-08-17 
5 'Structure model' 1 4 2016-10-12 
6 'Structure model' 1 5 2017-09-20 
7 'Structure model' 1 6 2019-12-04 
8 'Structure model' 1 7 2023-09-27 
# 
_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' 'Database references'        
2  3 'Structure model' 'Data collection'            
3  4 'Structure model' 'Structure summary'          
4  5 'Structure model' 'Database references'        
5  6 'Structure model' 'Author supporting evidence' 
6  6 'Structure model' 'Database references'        
7  6 'Structure model' 'Derived calculations'       
8  7 'Structure model' 'Author supporting evidence' 
9  8 'Structure model' 'Data collection'            
10 8 'Structure model' 'Database references'        
11 8 '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 6 'Structure model' citation                      
2 6 'Structure model' pdbx_audit_support            
3 6 'Structure model' pdbx_struct_oper_list         
4 7 'Structure model' pdbx_audit_support            
5 8 'Structure model' chem_comp_atom                
6 8 'Structure model' chem_comp_bond                
7 8 'Structure model' database_2                    
8 8 'Structure model' diffrn_radiation_wavelength   
9 8 'Structure model' pdbx_initial_refinement_model 
# 
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 6 'Structure model' '_citation.journal_id_CSD'                  
2 6 'Structure model' '_pdbx_struct_oper_list.symmetry_operation' 
3 7 'Structure model' '_pdbx_audit_support.funding_organization'  
4 8 'Structure model' '_database_2.pdbx_DOI'                      
5 8 'Structure model' '_database_2.pdbx_database_accession'       
# 
loop_
_software.citation_id 
_software.classification 
_software.compiler_name 
_software.compiler_version 
_software.contact_author 
_software.contact_author_email 
_software.date 
_software.description 
_software.dependencies 
_software.hardware 
_software.language 
_software.location 
_software.mods 
_software.name 
_software.os 
_software.os_version 
_software.type 
_software.version 
_software.pdbx_ordinal 
? refinement       ? ? ? ? ? ? ? ? ? ? ? PHENIX  ? ? ? '(1.10.1_2155: ???)' 1 
? 'data reduction' ? ? ? ? ? ? ? ? ? ? ? XDS     ? ? ? .                    2 
? 'data scaling'   ? ? ? ? ? ? ? ? ? ? ? Aimless ? ? ? .                    3 
? phasing          ? ? ? ? ? ? ? ? ? ? ? PHENIX  ? ? ? .                    4 
# 
_pdbx_validate_symm_contact.id                1 
_pdbx_validate_symm_contact.PDB_model_num     1 
_pdbx_validate_symm_contact.auth_atom_id_1    P 
_pdbx_validate_symm_contact.auth_asym_id_1    A 
_pdbx_validate_symm_contact.auth_comp_id_1    A 
_pdbx_validate_symm_contact.auth_seq_id_1     1 
_pdbx_validate_symm_contact.PDB_ins_code_1    ? 
_pdbx_validate_symm_contact.label_alt_id_1    ? 
_pdbx_validate_symm_contact.site_symmetry_1   1_555 
_pdbx_validate_symm_contact.auth_atom_id_2    "O3'" 
_pdbx_validate_symm_contact.auth_asym_id_2    A 
_pdbx_validate_symm_contact.auth_comp_id_2    A 
_pdbx_validate_symm_contact.auth_seq_id_2     2 
_pdbx_validate_symm_contact.PDB_ins_code_2    ? 
_pdbx_validate_symm_contact.label_alt_id_2    ? 
_pdbx_validate_symm_contact.site_symmetry_2   4_754 
_pdbx_validate_symm_contact.dist              1.63 
# 
loop_
_pdbx_validate_rmsd_bond.id 
_pdbx_validate_rmsd_bond.PDB_model_num 
_pdbx_validate_rmsd_bond.auth_atom_id_1 
_pdbx_validate_rmsd_bond.auth_asym_id_1 
_pdbx_validate_rmsd_bond.auth_comp_id_1 
_pdbx_validate_rmsd_bond.auth_seq_id_1 
_pdbx_validate_rmsd_bond.PDB_ins_code_1 
_pdbx_validate_rmsd_bond.label_alt_id_1 
_pdbx_validate_rmsd_bond.auth_atom_id_2 
_pdbx_validate_rmsd_bond.auth_asym_id_2 
_pdbx_validate_rmsd_bond.auth_comp_id_2 
_pdbx_validate_rmsd_bond.auth_seq_id_2 
_pdbx_validate_rmsd_bond.PDB_ins_code_2 
_pdbx_validate_rmsd_bond.label_alt_id_2 
_pdbx_validate_rmsd_bond.bond_value 
_pdbx_validate_rmsd_bond.bond_target_value 
_pdbx_validate_rmsd_bond.bond_deviation 
_pdbx_validate_rmsd_bond.bond_standard_deviation 
_pdbx_validate_rmsd_bond.linker_flag 
1 1 "O5'" A A 1 ? ? "C5'" A A 1 ? ? 1.349 1.420 -0.071 0.009 N 
2 1 "O3'" A A 1 ? ? "C3'" A A 1 ? ? 1.327 1.417 -0.090 0.014 N 
3 1 "C2'" A A 1 ? ? "O2'" A A 1 ? ? 1.507 1.420 0.087  0.010 N 
4 1 N1    A A 1 ? ? C2    A A 1 ? ? 1.414 1.339 0.075  0.009 N 
5 1 C6    A A 1 ? ? N6    A A 1 ? ? 1.231 1.335 -0.104 0.008 N 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1  1 N9 A A 1 ? ? "C1'" A A 1 ? ? "C2'" A A 1 ? ? 102.58 112.00 -9.42  1.10 N 
2  1 C6 A A 1 ? ? N1    A A 1 ? ? C2    A A 1 ? ? 126.77 118.60 8.17   0.60 N 
3  1 N1 A A 1 ? ? C2    A A 1 ? ? N3    A A 1 ? ? 122.40 129.30 -6.90  0.50 N 
4  1 C4 A A 1 ? ? C5    A A 1 ? ? C6    A A 1 ? ? 122.88 117.00 5.88   0.50 N 
5  1 C5 A A 1 ? ? C6    A A 1 ? ? N1    A A 1 ? ? 106.85 117.70 -10.85 0.50 N 
6  1 C6 A A 1 ? ? C5    A A 1 ? ? N7    A A 1 ? ? 127.70 132.30 -4.60  0.70 N 
7  1 C5 A A 1 ? ? C6    A A 1 ? ? N6    A A 1 ? ? 131.26 123.70 7.56   0.80 N 
8  1 N7 A A 2 ? ? C8    A A 2 ? ? N9    A A 2 ? ? 110.73 113.80 -3.07  0.50 N 
9  1 C8 A A 2 ? ? N9    A A 2 ? ? C4    A A 2 ? ? 109.36 105.80 3.56   0.40 N 
10 1 N9 A A 2 ? ? C4    A A 2 ? ? C5    A A 2 ? ? 103.30 105.80 -2.50  0.40 N 
# 
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 1 A A 0 ? A A 1 
2 1 Y 1 A A 3 ? A A 4 
3 1 Y 1 A A 4 ? A A 5 
4 1 Y 1 A A 5 ? A A 6 
5 1 Y 1 A A 6 ? A A 7 
# 
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 
A   OP3    O N N 1  
A   P      P N N 2  
A   OP1    O N N 3  
A   OP2    O N N 4  
A   "O5'"  O N N 5  
A   "C5'"  C N N 6  
A   "C4'"  C N R 7  
A   "O4'"  O N N 8  
A   "C3'"  C N S 9  
A   "O3'"  O N N 10 
A   "C2'"  C N R 11 
A   "O2'"  O N N 12 
A   "C1'"  C N R 13 
A   N9     N Y N 14 
A   C8     C Y N 15 
A   N7     N Y N 16 
A   C5     C Y N 17 
A   C6     C Y N 18 
A   N6     N N N 19 
A   N1     N Y N 20 
A   C2     C Y N 21 
A   N3     N Y N 22 
A   C4     C Y N 23 
A   HOP3   H N N 24 
A   HOP2   H N N 25 
A   "H5'"  H N N 26 
A   "H5''" H N N 27 
A   "H4'"  H N N 28 
A   "H3'"  H N N 29 
A   "HO3'" H N N 30 
A   "H2'"  H N N 31 
A   "HO2'" H N N 32 
A   "H1'"  H N N 33 
A   H8     H N N 34 
A   H61    H N N 35 
A   H62    H N N 36 
A   H2     H N N 37 
HOH O      O N N 38 
HOH H1     H N N 39 
HOH H2     H N N 40 
NH4 N      N N N 41 
NH4 HN1    H N N 42 
NH4 HN2    H N N 43 
NH4 HN3    H N N 44 
NH4 HN4    H N N 45 
# 
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 
A   OP3   P      sing N N 1  
A   OP3   HOP3   sing N N 2  
A   P     OP1    doub N N 3  
A   P     OP2    sing N N 4  
A   P     "O5'"  sing N N 5  
A   OP2   HOP2   sing N N 6  
A   "O5'" "C5'"  sing N N 7  
A   "C5'" "C4'"  sing N N 8  
A   "C5'" "H5'"  sing N N 9  
A   "C5'" "H5''" sing N N 10 
A   "C4'" "O4'"  sing N N 11 
A   "C4'" "C3'"  sing N N 12 
A   "C4'" "H4'"  sing N N 13 
A   "O4'" "C1'"  sing N N 14 
A   "C3'" "O3'"  sing N N 15 
A   "C3'" "C2'"  sing N N 16 
A   "C3'" "H3'"  sing N N 17 
A   "O3'" "HO3'" sing N N 18 
A   "C2'" "O2'"  sing N N 19 
A   "C2'" "C1'"  sing N N 20 
A   "C2'" "H2'"  sing N N 21 
A   "O2'" "HO2'" sing N N 22 
A   "C1'" N9     sing N N 23 
A   "C1'" "H1'"  sing N N 24 
A   N9    C8     sing Y N 25 
A   N9    C4     sing Y N 26 
A   C8    N7     doub Y N 27 
A   C8    H8     sing N N 28 
A   N7    C5     sing Y N 29 
A   C5    C6     sing Y N 30 
A   C5    C4     doub Y N 31 
A   C6    N6     sing N N 32 
A   C6    N1     doub Y N 33 
A   N6    H61    sing N N 34 
A   N6    H62    sing N N 35 
A   N1    C2     sing Y N 36 
A   C2    N3     doub Y N 37 
A   C2    H2     sing N N 38 
A   N3    C4     sing Y N 39 
HOH O     H1     sing N N 40 
HOH O     H2     sing N N 41 
NH4 N     HN1    sing N N 42 
NH4 N     HN2    sing N N 43 
NH4 N     HN3    sing N N 44 
NH4 N     HN4    sing N N 45 
# 
_ndb_struct_conf_na.entry_id   5K8H 
_ndb_struct_conf_na.feature    'double 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 A 2 1_555 A A 2 2_835 6.050 -5.029 0.000 -3.360 -10.764 180.000 1 A_A1:A1_A A 1 ? A 1 ? 2 8 
1 A A 3 1_555 A A 3 2_835 6.078 -5.010 0.000 -3.420 -12.013 180.000 2 A_A2:A2_A A 2 ? A 2 ? 2 8 
# 
_ndb_struct_na_base_pair_step.model_number        1 
_ndb_struct_na_base_pair_step.i_label_asym_id_1   A 
_ndb_struct_na_base_pair_step.i_label_comp_id_1   A 
_ndb_struct_na_base_pair_step.i_label_seq_id_1    2 
_ndb_struct_na_base_pair_step.i_symmetry_1        1_555 
_ndb_struct_na_base_pair_step.j_label_asym_id_1   A 
_ndb_struct_na_base_pair_step.j_label_comp_id_1   A 
_ndb_struct_na_base_pair_step.j_label_seq_id_1    2 
_ndb_struct_na_base_pair_step.j_symmetry_1        2_835 
_ndb_struct_na_base_pair_step.i_label_asym_id_2   A 
_ndb_struct_na_base_pair_step.i_label_comp_id_2   A 
_ndb_struct_na_base_pair_step.i_label_seq_id_2    3 
_ndb_struct_na_base_pair_step.i_symmetry_2        1_555 
_ndb_struct_na_base_pair_step.j_label_asym_id_2   A 
_ndb_struct_na_base_pair_step.j_label_comp_id_2   A 
_ndb_struct_na_base_pair_step.j_label_seq_id_2    3 
_ndb_struct_na_base_pair_step.j_symmetry_2        2_835 
_ndb_struct_na_base_pair_step.shift               0.000 
_ndb_struct_na_base_pair_step.slide               0.000 
_ndb_struct_na_base_pair_step.rise                3.748 
_ndb_struct_na_base_pair_step.tilt                0.000 
_ndb_struct_na_base_pair_step.roll                0.000 
_ndb_struct_na_base_pair_step.twist               47.599 
_ndb_struct_na_base_pair_step.x_displacement      0.000 
_ndb_struct_na_base_pair_step.y_displacement      0.000 
_ndb_struct_na_base_pair_step.helical_rise        3.748 
_ndb_struct_na_base_pair_step.inclination         0.000 
_ndb_struct_na_base_pair_step.tip                 0.000 
_ndb_struct_na_base_pair_step.helical_twist       47.599 
_ndb_struct_na_base_pair_step.step_number         1 
_ndb_struct_na_base_pair_step.step_name           AA_A1A2:A2A1_AA 
_ndb_struct_na_base_pair_step.i_auth_asym_id_1    A 
_ndb_struct_na_base_pair_step.i_auth_seq_id_1     1 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_1    ? 
_ndb_struct_na_base_pair_step.j_auth_asym_id_1    A 
_ndb_struct_na_base_pair_step.j_auth_seq_id_1     1 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_1    ? 
_ndb_struct_na_base_pair_step.i_auth_asym_id_2    A 
_ndb_struct_na_base_pair_step.i_auth_seq_id_2     2 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_2    ? 
_ndb_struct_na_base_pair_step.j_auth_asym_id_2    A 
_ndb_struct_na_base_pair_step.j_auth_seq_id_2     2 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_2    ? 
# 
loop_
_pdbx_audit_support.funding_organization 
_pdbx_audit_support.country 
_pdbx_audit_support.grant_number 
_pdbx_audit_support.ordinal 
'National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)' 'United States' 'R37 GM074593' 1 
'National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)' 'United States' 'R01 GM22939'  2 
'National Institutes of Health/National Cancer Institute (NIH/NCI)'                        'United States' 'T32 CA09363'  3 
# 
loop_
_pdbx_entity_nonpoly.entity_id 
_pdbx_entity_nonpoly.name 
_pdbx_entity_nonpoly.comp_id 
2 'AMMONIUM ION' NH4 
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   4JRD 
_pdbx_initial_refinement_model.details          'rA2 section of the 4JRD' 
#