data_246D
# 
_entry.id   246D 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.387 
_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   246D         pdb_0000246d 10.2210/pdb246d/pdb 
RCSB  AHH071       ?            ?                   
WWPDB D_1000177643 ?            ?                   
# 
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 1996-08-26 
2 'Structure model' 1 1 2008-05-22 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2024-02-14 
# 
_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' 'Version format compliance' 
2 3 'Structure model' 'Version format compliance' 
3 4 'Structure model' 'Data collection'           
4 4 'Structure model' 'Database references'       
5 4 'Structure model' 'Derived calculations'      
# 
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_struct_conn_angle 
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' '_pdbx_struct_conn_angle.ptnr1_auth_seq_id' 
4 4 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_seq_id' 
5 4 'Structure model' '_struct_conn.pdbx_dist_value'              
6 4 'Structure model' '_struct_conn.ptnr2_auth_seq_id'            
7 4 'Structure model' '_struct_site.pdbx_auth_asym_id'            
8 4 'Structure model' '_struct_site.pdbx_auth_comp_id'            
9 4 'Structure model' '_struct_site.pdbx_auth_seq_id'             
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        246D 
_pdbx_database_status.recvd_initial_deposition_date   1996-01-25 
_pdbx_database_status.deposit_site                    NDB 
_pdbx_database_status.process_site                    NDB 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.SG_entry                        ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Wahl, M.C.'        1 
'Ban, C.'           2 
'Sekharudu, C.'     3 
'Ramakrishnan, B.'  4 
'Sundaralingam, M.' 5 
# 
_citation.id                        primary 
_citation.title                     
;Structure of the purine-pyrimidine alternating RNA double helix, r(GUAUAUA)d(C), with a 3'-terminal deoxy residue.
;
_citation.journal_abbrev            'Acta Crystallogr.,Sect.D' 
_citation.journal_volume            52 
_citation.page_first                655 
_citation.page_last                 667 
_citation.year                      1996 
_citation.journal_id_ASTM           ABCRE6 
_citation.country                   DK 
_citation.journal_id_ISSN           0907-4449 
_citation.journal_id_CSD            0766 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   15299629 
_citation.pdbx_database_id_DOI      10.1107/S0907444996000248 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Wahl, M.C.'        1 ? 
primary 'Ban, C.'           2 ? 
primary 'Sekharudu, C.'     3 ? 
primary 'Ramakrishnan, B.'  4 ? 
primary 'Sundaralingam, M.' 5 ? 
# 
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 
;DNA/RNA (5'-R(*GP*UP*AP*UP*AP*UP*AP*)-D(*C)-3')
;
2495.545 2  ? ? ? ? 
2 non-polymer syn 'SODIUM ION'                                      22.990   2  ? ? ? ? 
3 water       nat water                                             18.015   85 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           'polydeoxyribonucleotide/polyribonucleotide hybrid' 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   no 
_entity_poly.pdbx_seq_one_letter_code       'GUAUAUA(DC)' 
_entity_poly.pdbx_seq_one_letter_code_can   GUAUAUAC 
_entity_poly.pdbx_strand_id                 A,B 
_entity_poly.pdbx_target_identifier         ? 
# 
loop_
_pdbx_entity_nonpoly.entity_id 
_pdbx_entity_nonpoly.name 
_pdbx_entity_nonpoly.comp_id 
2 'SODIUM ION' NA  
3 water        HOH 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1 G  n 
1 2 U  n 
1 3 A  n 
1 4 U  n 
1 5 A  n 
1 6 U  n 
1 7 A  n 
1 8 DC n 
# 
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 
DC  'DNA linking' y "2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE" ? 'C9 H14 N3 O7 P'  307.197 
G   'RNA linking' y "GUANOSINE-5'-MONOPHOSPHATE"        ? 'C10 H14 N5 O8 P' 363.221 
HOH non-polymer   . WATER                               ? 'H2 O'            18.015  
NA  non-polymer   . 'SODIUM ION'                        ? 'Na 1'            22.990  
U   'RNA linking' y "URIDINE-5'-MONOPHOSPHATE"          ? 'C9 H13 N2 O9 P'  324.181 
# 
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 G  1 1  1  G  G A . n 
A 1 2 U  2 2  2  U  U A . n 
A 1 3 A  3 3  3  A  A A . n 
A 1 4 U  4 4  4  U  U A . n 
A 1 5 A  5 5  5  A  A A . n 
A 1 6 U  6 6  6  U  U A . n 
A 1 7 A  7 7  7  A  A A . n 
A 1 8 DC 8 8  8  DC C A . n 
B 1 1 G  1 9  9  G  G B . n 
B 1 2 U  2 10 10 U  U B . n 
B 1 3 A  3 11 11 A  A B . n 
B 1 4 U  4 12 12 U  U B . n 
B 1 5 A  5 13 13 A  A B . n 
B 1 6 U  6 14 14 U  U B . n 
B 1 7 A  7 15 15 A  A B . n 
B 1 8 DC 8 16 16 DC C 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 NA  1  17  17  NA  NA  B . 
D 2 NA  1  18  18  NA  NA  B . 
E 3 HOH 1  20  20  HOH HOH A . 
E 3 HOH 2  21  21  HOH HOH A . 
E 3 HOH 3  22  22  HOH HOH A . 
E 3 HOH 4  25  25  HOH HOH A . 
E 3 HOH 5  31  31  HOH HOH A . 
E 3 HOH 6  32  32  HOH HOH A . 
E 3 HOH 7  37  37  HOH HOH A . 
E 3 HOH 8  46  46  HOH HOH A . 
E 3 HOH 9  50  50  HOH HOH A . 
E 3 HOH 10 51  51  HOH HOH A . 
E 3 HOH 11 53  53  HOH HOH A . 
E 3 HOH 12 60  60  HOH HOH A . 
E 3 HOH 13 61  61  HOH HOH A . 
E 3 HOH 14 63  63  HOH HOH A . 
E 3 HOH 15 66  66  HOH HOH A . 
E 3 HOH 16 68  68  HOH HOH A . 
E 3 HOH 17 74  74  HOH HOH A . 
E 3 HOH 18 76  76  HOH HOH A . 
E 3 HOH 19 79  79  HOH HOH A . 
E 3 HOH 20 81  81  HOH HOH A . 
E 3 HOH 21 82  82  HOH HOH A . 
E 3 HOH 22 84  84  HOH HOH A . 
E 3 HOH 23 86  86  HOH HOH A . 
E 3 HOH 24 88  88  HOH HOH A . 
E 3 HOH 25 89  89  HOH HOH A . 
E 3 HOH 26 90  90  HOH HOH A . 
E 3 HOH 27 91  91  HOH HOH A . 
E 3 HOH 28 97  97  HOH HOH A . 
E 3 HOH 29 98  98  HOH HOH A . 
E 3 HOH 30 99  99  HOH HOH A . 
E 3 HOH 31 100 100 HOH HOH A . 
E 3 HOH 32 103 103 HOH HOH A . 
F 3 HOH 1  19  19  HOH HOH B . 
F 3 HOH 2  23  23  HOH HOH B . 
F 3 HOH 3  24  24  HOH HOH B . 
F 3 HOH 4  26  26  HOH HOH B . 
F 3 HOH 5  27  27  HOH HOH B . 
F 3 HOH 6  28  28  HOH HOH B . 
F 3 HOH 7  29  29  HOH HOH B . 
F 3 HOH 8  30  30  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 35  35  HOH HOH B . 
F 3 HOH 12 36  36  HOH HOH B . 
F 3 HOH 13 38  38  HOH HOH B . 
F 3 HOH 14 39  39  HOH HOH B . 
F 3 HOH 15 40  40  HOH HOH B . 
F 3 HOH 16 41  41  HOH HOH B . 
F 3 HOH 17 42  42  HOH HOH B . 
F 3 HOH 18 43  43  HOH HOH B . 
F 3 HOH 19 44  44  HOH HOH B . 
F 3 HOH 20 45  45  HOH HOH B . 
F 3 HOH 21 47  47  HOH HOH B . 
F 3 HOH 22 48  48  HOH HOH B . 
F 3 HOH 23 49  49  HOH HOH B . 
F 3 HOH 24 52  52  HOH HOH B . 
F 3 HOH 25 54  54  HOH HOH B . 
F 3 HOH 26 55  55  HOH HOH B . 
F 3 HOH 27 56  56  HOH HOH B . 
F 3 HOH 28 57  57  HOH HOH B . 
F 3 HOH 29 58  58  HOH HOH B . 
F 3 HOH 30 59  59  HOH HOH B . 
F 3 HOH 31 62  62  HOH HOH B . 
F 3 HOH 32 64  64  HOH HOH B . 
F 3 HOH 33 65  65  HOH HOH B . 
F 3 HOH 34 67  67  HOH HOH B . 
F 3 HOH 35 69  69  HOH HOH B . 
F 3 HOH 36 70  70  HOH HOH B . 
F 3 HOH 37 71  71  HOH HOH B . 
F 3 HOH 38 72  72  HOH HOH B . 
F 3 HOH 39 73  73  HOH HOH B . 
F 3 HOH 40 75  75  HOH HOH B . 
F 3 HOH 41 77  77  HOH HOH B . 
F 3 HOH 42 78  78  HOH HOH B . 
F 3 HOH 43 80  80  HOH HOH B . 
F 3 HOH 44 83  83  HOH HOH B . 
F 3 HOH 45 85  85  HOH HOH B . 
F 3 HOH 46 87  87  HOH HOH B . 
F 3 HOH 47 92  92  HOH HOH B . 
F 3 HOH 48 93  93  HOH HOH B . 
F 3 HOH 49 94  94  HOH HOH B . 
F 3 HOH 50 95  95  HOH HOH B . 
F 3 HOH 51 96  96  HOH HOH B . 
F 3 HOH 52 101 101 HOH HOH B . 
F 3 HOH 53 102 102 HOH HOH B . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR refinement       3.0      ? 1 
XENGEN 'data reduction' 'V. 2.0' ? 2 
# 
_cell.entry_id           246D 
_cell.length_a           43.100 
_cell.length_b           43.100 
_cell.length_c           59.400 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        120.00 
_cell.Z_PDB              18 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         246D 
_symmetry.space_group_name_H-M             'H 3' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                146 
# 
_exptl.entry_id          246D 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.13 
_exptl_crystal.density_percent_sol   42.18 
_exptl_crystal.description           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.temp            291.00 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              7.00 
_exptl_crystal_grow.pdbx_details    'pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 291.00K' 
_exptl_crystal_grow.pdbx_pH_range   ? 
# 
loop_
_exptl_crystal_grow_comp.crystal_id 
_exptl_crystal_grow_comp.id 
_exptl_crystal_grow_comp.sol_id 
_exptl_crystal_grow_comp.name 
_exptl_crystal_grow_comp.volume 
_exptl_crystal_grow_comp.conc 
_exptl_crystal_grow_comp.details 
1 1 1 WATER           ? ? ? 
1 2 1 MPD             ? ? ? 
1 3 1 'NA CACODYLATE' ? ? ? 
1 4 1 '[CO(NH3)6]3+'  ? ? ? 
1 5 2 WATER           ? ? ? 
1 6 2 MPD             ? ? ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           295.00 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               'AREA DETECTOR' 
_diffrn_detector.type                   SIEMENS 
_diffrn_detector.pdbx_collection_date   1994-07-17 
_diffrn_detector.details                ? 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             ? 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      'ROTATING ANODE' 
_diffrn_source.type                        MACSCIENCE 
_diffrn_source.pdbx_synchrotron_site       ? 
_diffrn_source.pdbx_synchrotron_beamline   ? 
_diffrn_source.pdbx_wavelength             ? 
_diffrn_source.pdbx_wavelength_list        ? 
# 
_reflns.entry_id                     246D 
_reflns.observed_criterion_sigma_I   2.000 
_reflns.observed_criterion_sigma_F   ? 
_reflns.d_resolution_low             10.000 
_reflns.d_resolution_high            2.200 
_reflns.number_obs                   1775 
_reflns.number_all                   ? 
_reflns.percent_possible_obs         ? 
_reflns.pdbx_Rmerge_I_obs            0.0171000 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        ? 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              ? 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_refine.entry_id                                 246D 
_refine.ls_number_reflns_obs                     1775 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          2.000 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             10.000 
_refine.ls_d_res_high                            2.200 
_refine.ls_percent_reflns_obs                    86.000 
_refine.ls_R_factor_obs                          0.1560000 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.1560000 
_refine.ls_R_factor_R_free                       ? 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 ? 
_refine.ls_number_reflns_R_free                  ? 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.B_iso_mean                               ? 
_refine.aniso_B[1][1]                            ? 
_refine.aniso_B[2][2]                            ? 
_refine.aniso_B[3][3]                            ? 
_refine.aniso_B[1][2]                            ? 
_refine.aniso_B[1][3]                            ? 
_refine.aniso_B[2][3]                            ? 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_ls_cross_valid_method               ? 
_refine.details                                  ? 
_refine.pdbx_starting_model                      ? 
_refine.pdbx_method_to_determine_struct          ? 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       ? 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_B                             ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_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   330 
_refine_hist.pdbx_number_atoms_ligand         2 
_refine_hist.number_atoms_solvent             85 
_refine_hist.number_atoms_total               417 
_refine_hist.d_res_high                       2.200 
_refine_hist.d_res_low                        10.000 
# 
loop_
_refine_ls_restr.type 
_refine_ls_restr.dev_ideal 
_refine_ls_restr.dev_ideal_target 
_refine_ls_restr.weight 
_refine_ls_restr.number 
_refine_ls_restr.pdbx_refine_id 
_refine_ls_restr.pdbx_restraint_function 
x_bond_d                0.017 ? ? ? 'X-RAY DIFFRACTION' ? 
x_bond_d_na             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_bond_d_prot           ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d               ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d_na            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_d_prot          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg             2.55  ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_na          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_angle_deg_prot        ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_dihedral_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_improper_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_mcbond_it             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_mcangle_it            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_scbond_it             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
x_scangle_it            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_database_PDB_matrix.entry_id          246D 
_database_PDB_matrix.origx[1][1]       1.000000 
_database_PDB_matrix.origx[1][2]       0.000000 
_database_PDB_matrix.origx[1][3]       0.000000 
_database_PDB_matrix.origx[2][1]       0.000000 
_database_PDB_matrix.origx[2][2]       1.000000 
_database_PDB_matrix.origx[2][3]       0.000000 
_database_PDB_matrix.origx[3][1]       0.000000 
_database_PDB_matrix.origx[3][2]       0.000000 
_database_PDB_matrix.origx[3][3]       1.000000 
_database_PDB_matrix.origx_vector[1]   0.00000 
_database_PDB_matrix.origx_vector[2]   0.00000 
_database_PDB_matrix.origx_vector[3]   0.00000 
# 
_struct.entry_id                  246D 
_struct.title                     
;STRUCTURE OF THE PURINE-PYRIMIDINE ALTERNATING RNA DOUBLE HELIX, R(GUAUAUA)D(C) , WITH A 3'-TERMINAL DEOXY RESIDUE
;
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        246D 
_struct_keywords.pdbx_keywords   DNA/RNA 
_struct_keywords.text            'A-DNA/RNA, DOUBLE HELIX, DNA-RNA complex' 
# 
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_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    246D 
_struct_ref.pdbx_db_accession          246D 
_struct_ref.pdbx_db_isoform            ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
# 
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 246D A 1 ? 8 ? 246D 1 ? 8  ? 1 8  
2 1 246D B 1 ? 8 ? 246D 9 ? 16 ? 9 16 
# 
_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 
# 
_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 
# 
_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 
# 
_struct_biol.id   1 
# 
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 
metalc1  metalc ? ? B A  3 "O2'" ? ? ? 1_555 C NA  . NA ? ? B A  11 B NA  17  1_555 ? ? ? ? ? ? ?            2.437 ? ? 
metalc2  metalc ? ? C NA . NA    ? ? ? 1_555 F HOH . O  ? ? B NA 17 B HOH 102 1_555 ? ? ? ? ? ? ?            2.475 ? ? 
metalc3  metalc ? ? D NA . NA    ? ? ? 1_555 F HOH . O  ? ? B NA 18 B HOH 23  1_555 ? ? ? ? ? ? ?            2.417 ? ? 
metalc4  metalc ? ? D NA . NA    ? ? ? 1_555 F HOH . O  ? ? B NA 18 B HOH 77  1_555 ? ? ? ? ? ? ?            2.318 ? ? 
hydrog1  hydrog ? ? A G  1 N1    ? ? ? 1_555 B DC  8 N3 ? ? A G  1  B DC  16  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog2  hydrog ? ? A G  1 N2    ? ? ? 1_555 B DC  8 O2 ? ? A G  1  B DC  16  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog3  hydrog ? ? A G  1 O6    ? ? ? 1_555 B DC  8 N4 ? ? A G  1  B DC  16  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog4  hydrog ? ? A U  2 N3    ? ? ? 1_555 B A   7 N1 ? ? A U  2  B A   15  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog5  hydrog ? ? A U  2 O4    ? ? ? 1_555 B A   7 N6 ? ? A U  2  B A   15  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog6  hydrog ? ? A A  3 N1    ? ? ? 1_555 B U   6 N3 ? ? A A  3  B U   14  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog7  hydrog ? ? A A  3 N6    ? ? ? 1_555 B U   6 O4 ? ? A A  3  B U   14  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog8  hydrog ? ? A U  4 N3    ? ? ? 1_555 B A   5 N1 ? ? A U  4  B A   13  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog9  hydrog ? ? A U  4 O4    ? ? ? 1_555 B A   5 N6 ? ? A U  4  B A   13  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog10 hydrog ? ? A A  5 N1    ? ? ? 1_555 B U   4 N3 ? ? A A  5  B U   12  1_555 ? ? ? ? ? ? 'A-U PAIR'   ?     ? ? 
hydrog11 hydrog ? ? A U  6 N3    ? ? ? 1_555 B A   3 N1 ? ? A U  6  B A   11  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog12 hydrog ? ? A U  6 O4    ? ? ? 1_555 B A   3 N6 ? ? A U  6  B A   11  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog13 hydrog ? ? A A  7 N1    ? ? ? 1_555 B U   2 N3 ? ? A A  7  B U   10  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog14 hydrog ? ? A A  7 N6    ? ? ? 1_555 B U   2 O4 ? ? A A  7  B U   10  1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog15 hydrog ? ? A DC 8 N3    ? ? ? 1_555 B G   1 N1 ? ? A DC 8  B G   9   1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog16 hydrog ? ? A DC 8 N4    ? ? ? 1_555 B G   1 O6 ? ? A DC 8  B G   9   1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog17 hydrog ? ? A DC 8 O2    ? ? ? 1_555 B G   1 N2 ? ? A DC 8  B G   9   1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
metalc ? ? 
hydrog ? ? 
# 
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 "O2'" ? B A   3 ? B A   11 ? 1_555 NA ? C NA . ? B NA 17 ? 1_555 O ? F HOH . ? B HOH 102 ? 1_555 114.1 ? 
2 O     ? F HOH . ? B HOH 23 ? 1_555 NA ? D NA . ? B NA 18 ? 1_555 O ? F HOH . ? B HOH 77  ? 1_555 83.0  ? 
# 
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 B NA 17 ? 6 'BINDING SITE FOR RESIDUE NA B 17' 
AC2 Software B NA 18 ? 6 'BINDING SITE FOR RESIDUE NA B 18' 
# 
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 6 A   B 3 ? A   B 11  . ? 2_645 ? 
2  AC1 6 A   B 3 ? A   B 11  . ? 1_555 ? 
3  AC1 6 A   B 3 ? A   B 11  . ? 3_765 ? 
4  AC1 6 HOH F . ? HOH B 102 . ? 3_765 ? 
5  AC1 6 HOH F . ? HOH B 102 . ? 2_645 ? 
6  AC1 6 HOH F . ? HOH B 102 . ? 1_555 ? 
7  AC2 6 HOH F . ? HOH B 23  . ? 2_645 ? 
8  AC2 6 HOH F . ? HOH B 23  . ? 1_555 ? 
9  AC2 6 HOH F . ? HOH B 23  . ? 3_765 ? 
10 AC2 6 HOH F . ? HOH B 77  . ? 3_765 ? 
11 AC2 6 HOH F . ? HOH B 77  . ? 2_645 ? 
12 AC2 6 HOH F . ? HOH B 77  . ? 1_555 ? 
# 
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 "O4'" A U  4  ? ? "C1'" A U  4  ? ? N1    A U  4  ? ? 112.97 108.50 4.47   0.70 N 
2  1 P     A U  6  ? ? "O5'" A U  6  ? ? "C5'" A U  6  ? ? 110.20 120.90 -10.70 1.60 N 
3  1 "O3'" A U  6  ? ? P     A A  7  ? ? "O5'" A A  7  ? ? 91.47  104.00 -12.53 1.90 Y 
4  1 "C5'" A A  7  ? ? "C4'" A A  7  ? ? "C3'" A A  7  ? ? 96.14  115.20 -19.06 1.40 N 
5  1 "O4'" A DC 8  ? ? "C1'" A DC 8  ? ? N1    A DC 8  ? ? 110.82 108.30 2.52   0.30 N 
6  1 "O4'" B A  11 ? ? "C1'" B A  11 ? ? N9    B A  11 ? ? 113.14 108.50 4.64   0.70 N 
7  1 "C5'" B A  15 ? ? "C4'" B A  15 ? ? "O4'" B A  15 ? ? 116.91 109.80 7.11   0.90 N 
8  1 "O4'" B A  15 ? ? "C1'" B A  15 ? ? N9    B A  15 ? ? 113.66 108.50 5.16   0.70 N 
9  1 "C3'" B A  15 ? ? "O3'" B A  15 ? ? P     B DC 16 ? ? 127.05 119.70 7.35   1.20 Y 
10 1 "O4'" B DC 16 ? ? "C1'" B DC 16 ? ? N1    B DC 16 ? ? 113.93 108.30 5.63   0.30 N 
11 1 N1    B DC 16 ? ? C2    B DC 16 ? ? O2    B DC 16 ? ? 123.26 118.90 4.36   0.60 N 
# 
_pdbx_validate_planes.id              1 
_pdbx_validate_planes.PDB_model_num   1 
_pdbx_validate_planes.auth_comp_id    A 
_pdbx_validate_planes.auth_asym_id    A 
_pdbx_validate_planes.auth_seq_id     3 
_pdbx_validate_planes.PDB_ins_code    ? 
_pdbx_validate_planes.label_alt_id    ? 
_pdbx_validate_planes.rmsd            0.064 
_pdbx_validate_planes.type            'SIDE CHAIN' 
# 
loop_
_pdbx_struct_special_symmetry.id 
_pdbx_struct_special_symmetry.PDB_model_num 
_pdbx_struct_special_symmetry.auth_asym_id 
_pdbx_struct_special_symmetry.auth_comp_id 
_pdbx_struct_special_symmetry.auth_seq_id 
_pdbx_struct_special_symmetry.PDB_ins_code 
_pdbx_struct_special_symmetry.label_asym_id 
_pdbx_struct_special_symmetry.label_comp_id 
_pdbx_struct_special_symmetry.label_seq_id 
1 1 B NA  17  ? C NA  . 
2 1 B NA  18  ? D NA  . 
3 1 A HOH 103 ? E HOH . 
4 1 B HOH 102 ? F HOH . 
# 
loop_
_refine_B_iso.class 
_refine_B_iso.details 
_refine_B_iso.treatment 
_refine_B_iso.pdbx_refine_id 
'ALL ATOMS'  TR isotropic 'X-RAY DIFFRACTION' 
'ALL WATERS' TR isotropic 'X-RAY DIFFRACTION' 
# 
loop_
_refine_occupancy.class 
_refine_occupancy.treatment 
_refine_occupancy.pdbx_refine_id 
'ALL ATOMS'  fix 'X-RAY DIFFRACTION' 
'ALL WATERS' fix 'X-RAY DIFFRACTION' 
# 
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  
DC  OP3    O  N N 38  
DC  P      P  N N 39  
DC  OP1    O  N N 40  
DC  OP2    O  N N 41  
DC  "O5'"  O  N N 42  
DC  "C5'"  C  N N 43  
DC  "C4'"  C  N R 44  
DC  "O4'"  O  N N 45  
DC  "C3'"  C  N S 46  
DC  "O3'"  O  N N 47  
DC  "C2'"  C  N N 48  
DC  "C1'"  C  N R 49  
DC  N1     N  N N 50  
DC  C2     C  N N 51  
DC  O2     O  N N 52  
DC  N3     N  N N 53  
DC  C4     C  N N 54  
DC  N4     N  N N 55  
DC  C5     C  N N 56  
DC  C6     C  N N 57  
DC  HOP3   H  N N 58  
DC  HOP2   H  N N 59  
DC  "H5'"  H  N N 60  
DC  "H5''" H  N N 61  
DC  "H4'"  H  N N 62  
DC  "H3'"  H  N N 63  
DC  "HO3'" H  N N 64  
DC  "H2'"  H  N N 65  
DC  "H2''" H  N N 66  
DC  "H1'"  H  N N 67  
DC  H41    H  N N 68  
DC  H42    H  N N 69  
DC  H5     H  N N 70  
DC  H6     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 
NA  NA     NA 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 
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  
DC  OP3   P      sing N N 40  
DC  OP3   HOP3   sing N N 41  
DC  P     OP1    doub N N 42  
DC  P     OP2    sing N N 43  
DC  P     "O5'"  sing N N 44  
DC  OP2   HOP2   sing N N 45  
DC  "O5'" "C5'"  sing N N 46  
DC  "C5'" "C4'"  sing N N 47  
DC  "C5'" "H5'"  sing N N 48  
DC  "C5'" "H5''" sing N N 49  
DC  "C4'" "O4'"  sing N N 50  
DC  "C4'" "C3'"  sing N N 51  
DC  "C4'" "H4'"  sing N N 52  
DC  "O4'" "C1'"  sing N N 53  
DC  "C3'" "O3'"  sing N N 54  
DC  "C3'" "C2'"  sing N N 55  
DC  "C3'" "H3'"  sing N N 56  
DC  "O3'" "HO3'" sing N N 57  
DC  "C2'" "C1'"  sing N N 58  
DC  "C2'" "H2'"  sing N N 59  
DC  "C2'" "H2''" sing N N 60  
DC  "C1'" N1     sing N N 61  
DC  "C1'" "H1'"  sing N N 62  
DC  N1    C2     sing N N 63  
DC  N1    C6     sing N N 64  
DC  C2    O2     doub N N 65  
DC  C2    N3     sing N N 66  
DC  N3    C4     doub N N 67  
DC  C4    N4     sing N N 68  
DC  C4    C5     sing N N 69  
DC  N4    H41    sing N N 70  
DC  N4    H42    sing N N 71  
DC  C5    C6     doub N N 72  
DC  C5    H5     sing N N 73  
DC  C6    H6     sing N 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 
# 
_ndb_struct_conf_na.entry_id   246D 
_ndb_struct_conf_na.feature    'a-form 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 G  1 1_555 B DC 8 1_555 -0.129 -0.128 -0.006 -9.812 -16.583 -0.048 1 A_G1:DC16_B A 1 ? B 16 ? 19 1 
1 A U  2 1_555 B A  7 1_555 -0.354 -0.186 0.026  -6.750 -17.580 8.128  2 A_U2:A15_B  A 2 ? B 15 ? 20 1 
1 A A  3 1_555 B U  6 1_555 -0.333 -0.287 -0.373 -6.984 -11.241 1.193  3 A_A3:U14_B  A 3 ? B 14 ? 20 1 
1 A U  4 1_555 B A  5 1_555 -0.185 -0.149 0.028  4.324  -18.151 -2.443 4 A_U4:A13_B  A 4 ? B 13 ? 20 1 
1 A A  5 1_555 B U  4 1_555 -0.267 0.167  -0.086 2.964  -19.065 7.934  5 A_A5:U12_B  A 5 ? B 12 ? ?  ? 
1 A U  6 1_555 B A  3 1_555 -0.018 0.106  -0.026 -2.036 -22.947 7.262  6 A_U6:A11_B  A 6 ? B 11 ? 20 1 
1 A A  7 1_555 B U  2 1_555 -0.248 -0.162 0.123  5.419  -15.054 0.468  7 A_A7:U10_B  A 7 ? B 10 ? 20 1 
1 A DC 8 1_555 B G  1 1_555 0.817  -0.166 -0.042 4.688  -21.158 -1.211 8 A_DC8:G9_B  A 8 ? B 9  ? 19 1 
# 
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 1 1_555 B DC 8 1_555 A U  2 1_555 B A 7 1_555 0.035  -1.041 3.256 -0.469 2.369  33.335 -2.196 -0.137 3.176 4.123  0.816  
33.420 1 AA_G1U2:A15DC16_BB A 1 ? B 16 ? A 2 ? B 15 ? 
1 A U 2 1_555 B A  7 1_555 A A  3 1_555 B U 6 1_555 -0.154 -1.327 3.274 1.052  17.076 30.462 -4.560 0.401  2.234 29.737 -1.831 
34.838 2 AA_U2A3:U14A15_BB  A 2 ? B 15 ? A 3 ? B 14 ? 
1 A A 3 1_555 B U  6 1_555 A U  4 1_555 B A 5 1_555 0.027  -1.172 3.104 -3.097 2.959  30.591 -2.736 -0.611 2.964 5.574  5.834  
30.882 3 AA_A3U4:A13U14_BB  A 3 ? B 14 ? A 4 ? B 13 ? 
1 A U 4 1_555 B A  5 1_555 A A  5 1_555 B U 4 1_555 0.327  -1.252 3.293 -0.017 12.286 31.595 -4.014 -0.564 2.637 21.572 0.031  
33.843 4 AA_U4A5:U12A13_BB  A 4 ? B 13 ? A 5 ? B 12 ? 
1 A A 5 1_555 B U  4 1_555 A U  6 1_555 B A 3 1_555 0.120  -0.978 3.361 1.023  11.492 33.541 -3.268 -0.049 2.884 19.221 -1.712 
35.416 5 AA_A5U6:A11U12_BB  A 5 ? B 12 ? A 6 ? B 11 ? 
1 A U 6 1_555 B A  3 1_555 A A  7 1_555 B U 2 1_555 -0.640 -1.144 2.930 -4.225 16.834 30.553 -3.992 0.539  2.104 29.178 7.323  
35.036 6 AA_U6A7:U10A11_BB  A 6 ? B 11 ? A 7 ? B 10 ? 
1 A A 7 1_555 B U  2 1_555 A DC 8 1_555 B G 1 1_555 0.387  -1.157 3.444 5.163  11.428 36.971 -3.135 0.053  2.996 17.418 -7.868 
38.969 7 AA_A7DC8:G9U10_BB  A 7 ? B 10 ? A 8 ? B 9  ? 
# 
_atom_sites.entry_id                    246D 
_atom_sites.fract_transf_matrix[1][1]   0.023202 
_atom_sites.fract_transf_matrix[1][2]   0.013396 
_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]   0.026791 
_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]   0.016835 
_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  
N  
NA 
O  
P  
# 
loop_