data_1GQU
# 
_entry.id   1GQU 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.391 
_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   1GQU         pdb_00001gqu 10.2210/pdb1gqu/pdb 
PDBE  EBI-8572     ?            ?                   
WWPDB D_1290008572 ?            ?                   
# 
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 2002-12-05 
2 'Structure model' 1 1 2011-05-08 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2024-05-08 
# 
_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'      
6 4 'Structure model' Other                       
# 
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_database_status 
5 4 'Structure model' struct_conn          
# 
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_database_status.status_code_sf' 
4 4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag'  
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1GQU 
_pdbx_database_status.deposit_site                    PDBE 
_pdbx_database_status.process_site                    PDBE 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.recvd_initial_deposition_date   2001-12-05 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.methods_development_category    ? 
_pdbx_database_status.status_code_nmr_data            ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Abrescia, N.G.A.' 1 
'Thompson, A.'     2 
'Huynh-Dinh, T.'   3 
'Subirana, J.A.'   4 
# 
_citation.id                        primary 
_citation.title                     'Crystal Structure of an Antiparallel DNA Fragment with Hoogsteen Base Pairing' 
_citation.journal_abbrev            Proc.Natl.Acad.Sci.USA 
_citation.journal_volume            99 
_citation.page_first                2806 
_citation.page_last                 ? 
_citation.year                      2002 
_citation.journal_id_ASTM           PNASA6 
_citation.country                   US 
_citation.journal_id_ISSN           0027-8424 
_citation.journal_id_CSD            0040 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   11880632 
_citation.pdbx_database_id_DOI      10.1073/PNAS.052675499 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Abrescia, N.G.A.' 1 ? 
primary 'Thompson, A.'     2 ? 
primary 'Huynh-Dinh, T.'   3 ? 
primary 'Subirana, J.A.'   4 ? 
# 
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 (5'(*AP*TP*AP*UP*AP*T)-3')
;
1872.111 4  ? ? ? ? 
2 water   nat water                            18.015   47 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polydeoxyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       '(DA)(DT)(DA)(BRU)(DA)(DT)' 
_entity_poly.pdbx_seq_one_letter_code_can   ATAUAT 
_entity_poly.pdbx_strand_id                 A,B,C,D 
_entity_poly.pdbx_target_identifier         ? 
# 
_pdbx_entity_nonpoly.entity_id   2 
_pdbx_entity_nonpoly.name        water 
_pdbx_entity_nonpoly.comp_id     HOH 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1 DA  n 
1 2 DT  n 
1 3 DA  n 
1 4 BRU n 
1 5 DA  n 
1 6 DT  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 
BRU 'DNA linking' n "5-BROMO-2'-DEOXYURIDINE-5'-MONOPHOSPHATE" ? 'C9 H12 Br N2 O8 P' 387.078 
DA  'DNA linking' y "2'-DEOXYADENOSINE-5'-MONOPHOSPHATE"       ? 'C10 H14 N5 O6 P'   331.222 
DT  'DNA linking' y "THYMIDINE-5'-MONOPHOSPHATE"               ? 'C10 H15 N2 O8 P'   322.208 
HOH non-polymer   . WATER                                      ? 'H2 O'              18.015  
# 
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 DA  1 1  1  DA  DA  A . n 
A 1 2 DT  2 2  2  DT  DT  A . n 
A 1 3 DA  3 3  3  DA  DA  A . n 
A 1 4 BRU 4 4  4  BRU BRU A . n 
A 1 5 DA  5 5  5  DA  DA  A . n 
A 1 6 DT  6 6  6  DT  DT  A . n 
B 1 1 DA  1 7  7  DA  DA  B . n 
B 1 2 DT  2 8  8  DT  DT  B . n 
B 1 3 DA  3 9  9  DA  DA  B . n 
B 1 4 BRU 4 10 10 BRU BRU B . n 
B 1 5 DA  5 11 11 DA  DA  B . n 
B 1 6 DT  6 12 12 DT  DT  B . n 
C 1 1 DA  1 13 13 DA  DA  C . n 
C 1 2 DT  2 14 14 DT  DT  C . n 
C 1 3 DA  3 15 15 DA  DA  C . n 
C 1 4 BRU 4 16 16 BRU BRU C . n 
C 1 5 DA  5 17 17 DA  DA  C . n 
C 1 6 DT  6 18 18 DT  DT  C . n 
D 1 1 DA  1 19 19 DA  DA  D . n 
D 1 2 DT  2 20 20 DT  DT  D . n 
D 1 3 DA  3 21 21 DA  DA  D . n 
D 1 4 BRU 4 22 22 BRU BRU D . n 
D 1 5 DA  5 23 23 DA  DA  D . n 
D 1 6 DT  6 24 24 DT  DT  D . 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 
E 2 HOH 1  2001 2001 HOH HOH A . 
E 2 HOH 2  2002 2002 HOH HOH A . 
E 2 HOH 3  2003 2003 HOH HOH A . 
E 2 HOH 4  2004 2004 HOH HOH A . 
E 2 HOH 5  2005 2005 HOH HOH A . 
E 2 HOH 6  2006 2006 HOH HOH A . 
E 2 HOH 7  2007 2007 HOH HOH A . 
E 2 HOH 8  2008 2008 HOH HOH A . 
E 2 HOH 9  2009 2009 HOH HOH A . 
E 2 HOH 10 2010 2010 HOH HOH A . 
E 2 HOH 11 2011 2011 HOH HOH A . 
E 2 HOH 12 2012 2012 HOH HOH A . 
E 2 HOH 13 2013 2013 HOH HOH A . 
E 2 HOH 14 2014 2014 HOH HOH A . 
F 2 HOH 1  2001 2001 HOH HOH B . 
F 2 HOH 2  2002 2002 HOH HOH B . 
F 2 HOH 3  2003 2003 HOH HOH B . 
F 2 HOH 4  2004 2004 HOH HOH B . 
F 2 HOH 5  2005 2005 HOH HOH B . 
F 2 HOH 6  2006 2006 HOH HOH B . 
F 2 HOH 7  2007 2007 HOH HOH B . 
F 2 HOH 8  2008 2008 HOH HOH B . 
F 2 HOH 9  2009 2009 HOH HOH B . 
F 2 HOH 10 2010 2010 HOH HOH B . 
F 2 HOH 11 2011 2011 HOH HOH B . 
F 2 HOH 12 2012 2012 HOH HOH B . 
G 2 HOH 1  2001 2001 HOH HOH C . 
G 2 HOH 2  2002 2002 HOH HOH C . 
G 2 HOH 3  2003 2003 HOH HOH C . 
G 2 HOH 4  2004 2004 HOH HOH C . 
G 2 HOH 5  2005 2005 HOH HOH C . 
G 2 HOH 6  2006 2006 HOH HOH C . 
G 2 HOH 7  2007 2007 HOH HOH C . 
G 2 HOH 8  2008 2008 HOH HOH C . 
H 2 HOH 1  2001 2001 HOH HOH D . 
H 2 HOH 2  2002 2002 HOH HOH D . 
H 2 HOH 3  2003 2003 HOH HOH D . 
H 2 HOH 4  2004 2004 HOH HOH D . 
H 2 HOH 5  2005 2005 HOH HOH D . 
H 2 HOH 6  2006 2006 HOH HOH D . 
H 2 HOH 7  2007 2007 HOH HOH D . 
H 2 HOH 8  2009 2009 HOH HOH D . 
H 2 HOH 9  2010 2010 HOH HOH D . 
H 2 HOH 10 2011 2011 HOH HOH D . 
H 2 HOH 11 2012 2012 HOH HOH D . 
H 2 HOH 12 2013 2013 HOH HOH D . 
H 2 HOH 13 2014 2014 HOH HOH D . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
CNS       refinement       1.0 ? 1 
DENZO     'data reduction' .   ? 2 
SCALEPACK 'data scaling'   .   ? 3 
SCALEIT   'data scaling'   .   ? 4 
MLPHARE   phasing          .   ? 5 
# 
_cell.entry_id           1GQU 
_cell.length_a           23.960 
_cell.length_b           48.950 
_cell.length_c           32.240 
_cell.angle_alpha        90.00 
_cell.angle_beta         93.27 
_cell.angle_gamma        90.00 
_cell.Z_PDB              8 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1GQU 
_symmetry.space_group_name_H-M             'P 1 21 1' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                4 
# 
_exptl.entry_id          1GQU 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.52 
_exptl_crystal.density_percent_sol   51.20 
_exptl_crystal.description           'FOR MORE DETAILS ON DATA STATISTICS SEE PAPER' 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          ? 
_exptl_crystal_grow.temp            ? 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              6.00 
_exptl_crystal_grow.pdbx_pH_range   ? 
_exptl_crystal_grow.pdbx_details    'pH 6.00' 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           110.0 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               CCD 
_diffrn_detector.type                   MARCCD 
_diffrn_detector.pdbx_collection_date   2001-03-15 
_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             MAD 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
loop_
_diffrn_radiation_wavelength.id 
_diffrn_radiation_wavelength.wavelength 
_diffrn_radiation_wavelength.wt 
1 0.919 1.0 
2 0.855 1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      SYNCHROTRON 
_diffrn_source.type                        'ESRF BEAMLINE BM14' 
_diffrn_source.pdbx_synchrotron_site       ESRF 
_diffrn_source.pdbx_synchrotron_beamline   BM14 
_diffrn_source.pdbx_wavelength             ? 
_diffrn_source.pdbx_wavelength_list        0.919,0.855 
# 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
_reflns.entry_id                     1GQU 
_reflns.observed_criterion_sigma_I   2.000 
_reflns.observed_criterion_sigma_F   ? 
_reflns.d_resolution_low             30.000 
_reflns.d_resolution_high            2.500 
_reflns.number_obs                   2591 
_reflns.number_all                   ? 
_reflns.percent_possible_obs         90.3 
_reflns.pdbx_Rmerge_I_obs            0.06000 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        ? 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              10.300 
# 
_reflns_shell.pdbx_diffrn_id         1 
_reflns_shell.pdbx_ordinal           1 
_reflns_shell.d_res_high             2.50 
_reflns_shell.d_res_low              ? 
_reflns_shell.percent_possible_all   68.6 
_reflns_shell.Rmerge_I_obs           ? 
_reflns_shell.pdbx_Rsym_value        ? 
_reflns_shell.meanI_over_sigI_obs    ? 
_reflns_shell.pdbx_redundancy        ? 
# 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.entry_id                                 1GQU 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.ls_number_reflns_obs                     2547 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          0.0 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             15.00 
_refine.ls_d_res_high                            2.5 
_refine.ls_percent_reflns_obs                    97.2 
_refine.ls_R_factor_obs                          0.22 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.22 
_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                 9.2 
_refine.ls_number_reflns_R_free                  240 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_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                    'FLAT MODEL' 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.pdbx_ls_cross_valid_method               THROUGHOUT 
_refine.details                                  'FOR MORE DETAILS ON DATA STATISTICS SEE PAPER' 
_refine.pdbx_starting_model                      ? 
_refine.pdbx_method_to_determine_struct          MAD 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       ? 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            RANDOM 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_ML                            ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.overall_SU_B                             ? 
_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   480 
_refine_hist.pdbx_number_atoms_ligand         0 
_refine_hist.number_atoms_solvent             47 
_refine_hist.number_atoms_total               527 
_refine_hist.d_res_high                       2.5 
_refine_hist.d_res_low                        15.00 
# 
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 
c_bond_d                0.0089 ? ? ? 'X-RAY DIFFRACTION' ? 
c_bond_d_na             ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_bond_d_prot           ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_d               ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_d_na            ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_d_prot          ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg             1.17   ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg_na          ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg_prot        ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d      ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d_na   ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d_prot ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d      ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d_na   ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d_prot ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_mcbond_it             ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_mcangle_it            ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_scbond_it             ?      ? ? ? 'X-RAY DIFFRACTION' ? 
c_scangle_it            ?      ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_refine_ls_shell.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_ls_shell.pdbx_total_number_of_bins_used   8 
_refine_ls_shell.d_res_high                       2.5 
_refine_ls_shell.d_res_low                        2.61 
_refine_ls_shell.number_reflns_R_work             273 
_refine_ls_shell.R_factor_R_work                  ? 
_refine_ls_shell.percent_reflns_obs               ? 
_refine_ls_shell.R_factor_R_free                  ? 
_refine_ls_shell.R_factor_R_free_error            ? 
_refine_ls_shell.percent_reflns_R_free            ? 
_refine_ls_shell.number_reflns_R_free             ? 
_refine_ls_shell.number_reflns_all                ? 
_refine_ls_shell.R_factor_all                     ? 
# 
loop_
_pdbx_xplor_file.pdbx_refine_id 
_pdbx_xplor_file.serial_no 
_pdbx_xplor_file.param_file 
_pdbx_xplor_file.topol_file 
'X-RAY DIFFRACTION' 1 DNA-RNA.PARAM   DNA-RNA.TOP   
'X-RAY DIFFRACTION' 2 WATER_REP.PARAM WATER_REP.TOP 
# 
_database_PDB_matrix.entry_id          1GQU 
_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                  1GQU 
_struct.title                     'Crystal structure of an alternating A-T oligonucleotide fragment with Hoogsteen base pairing' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1GQU 
_struct_keywords.pdbx_keywords   DNA 
_struct_keywords.text            'DNA, DNA/RNA, NEW DNA STRUCTURE, HOOGSTEEN BASE PAIRING' 
# 
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 1 ? 
D N N 1 ? 
E N N 2 ? 
F N N 2 ? 
G N N 2 ? 
H N N 2 ? 
# 
_struct_ref.id                         1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1GQU 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
_struct_ref.pdbx_db_accession          1GQU 
_struct_ref.pdbx_db_isoform            ? 
# 
loop_
_struct_ref_seq.align_id 
_struct_ref_seq.ref_id 
_struct_ref_seq.pdbx_PDB_id_code 
_struct_ref_seq.pdbx_strand_id 
_struct_ref_seq.seq_align_beg 
_struct_ref_seq.pdbx_seq_align_beg_ins_code 
_struct_ref_seq.seq_align_end 
_struct_ref_seq.pdbx_seq_align_end_ins_code 
_struct_ref_seq.pdbx_db_accession 
_struct_ref_seq.db_align_beg 
_struct_ref_seq.pdbx_db_align_beg_ins_code 
_struct_ref_seq.db_align_end 
_struct_ref_seq.pdbx_db_align_end_ins_code 
_struct_ref_seq.pdbx_auth_seq_align_beg 
_struct_ref_seq.pdbx_auth_seq_align_end 
1 1 1GQU A 1 ? 6 ? 1GQU 1  ? 6  ? 1  6  
2 1 1GQU B 1 ? 6 ? 1GQU 7  ? 12 ? 7  12 
3 1 1GQU C 1 ? 6 ? 1GQU 13 ? 18 ? 13 18 
4 1 1GQU D 1 ? 6 ? 1GQU 19 ? 24 ? 19 24 
# 
loop_
_pdbx_struct_assembly.id 
_pdbx_struct_assembly.details 
_pdbx_struct_assembly.method_details 
_pdbx_struct_assembly.oligomeric_details 
_pdbx_struct_assembly.oligomeric_count 
1 author_and_software_defined_assembly PQS dimeric 2 
2 author_and_software_defined_assembly PQS dimeric 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,E,F 
2 1 C,D,G,H 
# 
_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 
covale1  covale both ? A DA  3 "O3'" ? ? ? 1_555 A BRU 4 P  ? ? A DA  3  A BRU 4  1_555 ? ? ? ? ? ? ?            1.613 ? ? 
covale2  covale both ? A BRU 4 "O3'" ? ? ? 1_555 A DA  5 P  ? ? A BRU 4  A DA  5  1_555 ? ? ? ? ? ? ?            1.601 ? ? 
covale3  covale both ? B DA  3 "O3'" ? ? ? 1_555 B BRU 4 P  ? ? B DA  9  B BRU 10 1_555 ? ? ? ? ? ? ?            1.602 ? ? 
covale4  covale both ? B BRU 4 "O3'" ? ? ? 1_555 B DA  5 P  ? ? B BRU 10 B DA  11 1_555 ? ? ? ? ? ? ?            1.598 ? ? 
covale5  covale both ? C DA  3 "O3'" ? ? ? 1_555 C BRU 4 P  ? ? C DA  15 C BRU 16 1_555 ? ? ? ? ? ? ?            1.609 ? ? 
covale6  covale both ? C BRU 4 "O3'" ? ? ? 1_555 C DA  5 P  ? ? C BRU 16 C DA  17 1_555 ? ? ? ? ? ? ?            1.601 ? ? 
covale7  covale both ? D DA  3 "O3'" ? ? ? 1_555 D BRU 4 P  ? ? D DA  21 D BRU 22 1_555 ? ? ? ? ? ? ?            1.613 ? ? 
covale8  covale both ? D BRU 4 "O3'" ? ? ? 1_555 D DA  5 P  ? ? D BRU 22 D DA  23 1_555 ? ? ? ? ? ? ?            1.605 ? ? 
hydrog1  hydrog ?    ? A DA  1 N6    ? ? ? 1_555 B DT  6 O4 ? ? A DA  1  B DT  12 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog2  hydrog ?    ? A DA  1 N7    ? ? ? 1_555 B DT  6 N3 ? ? A DA  1  B DT  12 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog3  hydrog ?    ? A DT  2 N3    ? ? ? 1_555 B DA  5 N7 ? ? A DT  2  B DA  11 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog4  hydrog ?    ? A DT  2 O4    ? ? ? 1_555 B DA  5 N6 ? ? A DT  2  B DA  11 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog5  hydrog ?    ? A DA  3 N6    ? ? ? 1_555 B BRU 4 O4 ? ? A DA  3  B BRU 10 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog6  hydrog ?    ? A DA  3 N7    ? ? ? 1_555 B BRU 4 N3 ? ? A DA  3  B BRU 10 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog7  hydrog ?    ? A BRU 4 N3    ? ? ? 1_555 B DA  3 N7 ? ? A BRU 4  B DA  9  1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog8  hydrog ?    ? A BRU 4 O4    ? ? ? 1_555 B DA  3 N6 ? ? A BRU 4  B DA  9  1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog9  hydrog ?    ? A DA  5 N6    ? ? ? 1_555 B DT  2 O4 ? ? A DA  5  B DT  8  1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog10 hydrog ?    ? A DA  5 N7    ? ? ? 1_555 B DT  2 N3 ? ? A DA  5  B DT  8  1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog11 hydrog ?    ? A DT  6 N3    ? ? ? 1_555 B DA  1 N7 ? ? A DT  6  B DA  7  1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog12 hydrog ?    ? A DT  6 O4    ? ? ? 1_555 B DA  1 N6 ? ? A DT  6  B DA  7  1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog13 hydrog ?    ? C DA  1 N6    ? ? ? 1_555 D BRU 4 O4 ? ? C DA  13 D BRU 22 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog14 hydrog ?    ? C DA  1 N7    ? ? ? 1_555 D BRU 4 N3 ? ? C DA  13 D BRU 22 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog15 hydrog ?    ? C DT  2 O2    ? ? ? 1_555 C DA  5 N6 ? ? C DT  14 C DA  17 1_555 ? ? ? ? ? ? 'DT-DA PAIR' ?     ? ? 
hydrog16 hydrog ?    ? C DT  2 N3    ? ? ? 1_555 D DA  3 N7 ? ? C DT  14 D DA  21 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog17 hydrog ?    ? C DT  2 O4    ? ? ? 1_555 D DA  3 N6 ? ? C DT  14 D DA  21 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog18 hydrog ?    ? C DA  3 N6    ? ? ? 1_555 D DT  2 O4 ? ? C DA  15 D DT  20 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog19 hydrog ?    ? C DA  3 N7    ? ? ? 1_555 D DT  2 N3 ? ? C DA  15 D DT  20 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog20 hydrog ?    ? C BRU 4 N3    ? ? ? 1_555 D DA  1 N7 ? ? C BRU 16 D DA  19 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
hydrog21 hydrog ?    ? C BRU 4 O4    ? ? ? 1_555 D DA  1 N6 ? ? C BRU 16 D DA  19 1_555 ? ? ? ? ? ? HOOGSTEEN    ?     ? ? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
covale ? ? 
hydrog ? ? 
# 
_pdbx_validate_planes.id              1 
_pdbx_validate_planes.PDB_model_num   1 
_pdbx_validate_planes.auth_comp_id    DA 
_pdbx_validate_planes.auth_asym_id    B 
_pdbx_validate_planes.auth_seq_id     7 
_pdbx_validate_planes.PDB_ins_code    ? 
_pdbx_validate_planes.label_alt_id    ? 
_pdbx_validate_planes.rmsd            0.054 
_pdbx_validate_planes.type            'SIDE CHAIN' 
# 
loop_
_pdbx_struct_mod_residue.id 
_pdbx_struct_mod_residue.label_asym_id 
_pdbx_struct_mod_residue.label_comp_id 
_pdbx_struct_mod_residue.label_seq_id 
_pdbx_struct_mod_residue.auth_asym_id 
_pdbx_struct_mod_residue.auth_comp_id 
_pdbx_struct_mod_residue.auth_seq_id 
_pdbx_struct_mod_residue.PDB_ins_code 
_pdbx_struct_mod_residue.parent_comp_id 
_pdbx_struct_mod_residue.details 
1 A BRU 4 A BRU 4  ? DU ? 
2 B BRU 4 B BRU 10 ? DU ? 
3 C BRU 4 C BRU 16 ? DU ? 
4 D BRU 4 D BRU 22 ? DU ? 
# 
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 
BRU N1     N  N N 1   
BRU C2     C  N N 2   
BRU N3     N  N N 3   
BRU C4     C  N N 4   
BRU C5     C  N N 5   
BRU C6     C  N N 6   
BRU O2     O  N N 7   
BRU O4     O  N N 8   
BRU BR     BR N N 9   
BRU "C1'"  C  N R 10  
BRU "C2'"  C  N N 11  
BRU "C3'"  C  N S 12  
BRU "C4'"  C  N R 13  
BRU "O3'"  O  N N 14  
BRU "O4'"  O  N N 15  
BRU "C5'"  C  N N 16  
BRU "O5'"  O  N N 17  
BRU P      P  N N 18  
BRU OP1    O  N N 19  
BRU OP2    O  N N 20  
BRU OP3    O  N N 21  
BRU HN3    H  N N 22  
BRU H6     H  N N 23  
BRU "H1'"  H  N N 24  
BRU "H2'"  H  N N 25  
BRU "H2''" H  N N 26  
BRU "H3'"  H  N N 27  
BRU "H4'"  H  N N 28  
BRU "HO3'" H  N N 29  
BRU "H5'"  H  N N 30  
BRU "H5''" H  N N 31  
BRU HOP2   H  N N 32  
BRU HOP3   H  N N 33  
DA  OP3    O  N N 34  
DA  P      P  N N 35  
DA  OP1    O  N N 36  
DA  OP2    O  N N 37  
DA  "O5'"  O  N N 38  
DA  "C5'"  C  N N 39  
DA  "C4'"  C  N R 40  
DA  "O4'"  O  N N 41  
DA  "C3'"  C  N S 42  
DA  "O3'"  O  N N 43  
DA  "C2'"  C  N N 44  
DA  "C1'"  C  N R 45  
DA  N9     N  Y N 46  
DA  C8     C  Y N 47  
DA  N7     N  Y N 48  
DA  C5     C  Y N 49  
DA  C6     C  Y N 50  
DA  N6     N  N N 51  
DA  N1     N  Y N 52  
DA  C2     C  Y N 53  
DA  N3     N  Y N 54  
DA  C4     C  Y N 55  
DA  HOP3   H  N N 56  
DA  HOP2   H  N N 57  
DA  "H5'"  H  N N 58  
DA  "H5''" H  N N 59  
DA  "H4'"  H  N N 60  
DA  "H3'"  H  N N 61  
DA  "HO3'" H  N N 62  
DA  "H2'"  H  N N 63  
DA  "H2''" H  N N 64  
DA  "H1'"  H  N N 65  
DA  H8     H  N N 66  
DA  H61    H  N N 67  
DA  H62    H  N N 68  
DA  H2     H  N N 69  
DT  OP3    O  N N 70  
DT  P      P  N N 71  
DT  OP1    O  N N 72  
DT  OP2    O  N N 73  
DT  "O5'"  O  N N 74  
DT  "C5'"  C  N N 75  
DT  "C4'"  C  N R 76  
DT  "O4'"  O  N N 77  
DT  "C3'"  C  N S 78  
DT  "O3'"  O  N N 79  
DT  "C2'"  C  N N 80  
DT  "C1'"  C  N R 81  
DT  N1     N  N N 82  
DT  C2     C  N N 83  
DT  O2     O  N N 84  
DT  N3     N  N N 85  
DT  C4     C  N N 86  
DT  O4     O  N N 87  
DT  C5     C  N N 88  
DT  C7     C  N N 89  
DT  C6     C  N N 90  
DT  HOP3   H  N N 91  
DT  HOP2   H  N N 92  
DT  "H5'"  H  N N 93  
DT  "H5''" H  N N 94  
DT  "H4'"  H  N N 95  
DT  "H3'"  H  N N 96  
DT  "HO3'" H  N N 97  
DT  "H2'"  H  N N 98  
DT  "H2''" H  N N 99  
DT  "H1'"  H  N N 100 
DT  H3     H  N N 101 
DT  H71    H  N N 102 
DT  H72    H  N N 103 
DT  H73    H  N N 104 
DT  H6     H  N N 105 
HOH O      O  N N 106 
HOH H1     H  N N 107 
HOH H2     H  N N 108 
# 
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 
BRU N1    C2     sing N N 1   
BRU N1    C6     sing N N 2   
BRU N1    "C1'"  sing N N 3   
BRU C2    N3     sing N N 4   
BRU C2    O2     doub N N 5   
BRU N3    C4     sing N N 6   
BRU N3    HN3    sing N N 7   
BRU C4    C5     sing N N 8   
BRU C4    O4     doub N N 9   
BRU C5    C6     doub N N 10  
BRU C5    BR     sing N N 11  
BRU C6    H6     sing N N 12  
BRU "C1'" "C2'"  sing N N 13  
BRU "C1'" "O4'"  sing N N 14  
BRU "C1'" "H1'"  sing N N 15  
BRU "C2'" "C3'"  sing N N 16  
BRU "C2'" "H2'"  sing N N 17  
BRU "C2'" "H2''" sing N N 18  
BRU "C3'" "C4'"  sing N N 19  
BRU "C3'" "O3'"  sing N N 20  
BRU "C3'" "H3'"  sing N N 21  
BRU "C4'" "O4'"  sing N N 22  
BRU "C4'" "C5'"  sing N N 23  
BRU "C4'" "H4'"  sing N N 24  
BRU "O3'" "HO3'" sing N N 25  
BRU "C5'" "O5'"  sing N N 26  
BRU "C5'" "H5'"  sing N N 27  
BRU "C5'" "H5''" sing N N 28  
BRU "O5'" P      sing N N 29  
BRU P     OP1    doub N N 30  
BRU P     OP2    sing N N 31  
BRU P     OP3    sing N N 32  
BRU OP2   HOP2   sing N N 33  
BRU OP3   HOP3   sing N N 34  
DA  OP3   P      sing N N 35  
DA  OP3   HOP3   sing N N 36  
DA  P     OP1    doub N N 37  
DA  P     OP2    sing N N 38  
DA  P     "O5'"  sing N N 39  
DA  OP2   HOP2   sing N N 40  
DA  "O5'" "C5'"  sing N N 41  
DA  "C5'" "C4'"  sing N N 42  
DA  "C5'" "H5'"  sing N N 43  
DA  "C5'" "H5''" sing N N 44  
DA  "C4'" "O4'"  sing N N 45  
DA  "C4'" "C3'"  sing N N 46  
DA  "C4'" "H4'"  sing N N 47  
DA  "O4'" "C1'"  sing N N 48  
DA  "C3'" "O3'"  sing N N 49  
DA  "C3'" "C2'"  sing N N 50  
DA  "C3'" "H3'"  sing N N 51  
DA  "O3'" "HO3'" sing N N 52  
DA  "C2'" "C1'"  sing N N 53  
DA  "C2'" "H2'"  sing N N 54  
DA  "C2'" "H2''" sing N N 55  
DA  "C1'" N9     sing N N 56  
DA  "C1'" "H1'"  sing N N 57  
DA  N9    C8     sing Y N 58  
DA  N9    C4     sing Y N 59  
DA  C8    N7     doub Y N 60  
DA  C8    H8     sing N N 61  
DA  N7    C5     sing Y N 62  
DA  C5    C6     sing Y N 63  
DA  C5    C4     doub Y N 64  
DA  C6    N6     sing N N 65  
DA  C6    N1     doub Y N 66  
DA  N6    H61    sing N N 67  
DA  N6    H62    sing N N 68  
DA  N1    C2     sing Y N 69  
DA  C2    N3     doub Y N 70  
DA  C2    H2     sing N N 71  
DA  N3    C4     sing Y N 72  
DT  OP3   P      sing N N 73  
DT  OP3   HOP3   sing N N 74  
DT  P     OP1    doub N N 75  
DT  P     OP2    sing N N 76  
DT  P     "O5'"  sing N N 77  
DT  OP2   HOP2   sing N N 78  
DT  "O5'" "C5'"  sing N N 79  
DT  "C5'" "C4'"  sing N N 80  
DT  "C5'" "H5'"  sing N N 81  
DT  "C5'" "H5''" sing N N 82  
DT  "C4'" "O4'"  sing N N 83  
DT  "C4'" "C3'"  sing N N 84  
DT  "C4'" "H4'"  sing N N 85  
DT  "O4'" "C1'"  sing N N 86  
DT  "C3'" "O3'"  sing N N 87  
DT  "C3'" "C2'"  sing N N 88  
DT  "C3'" "H3'"  sing N N 89  
DT  "O3'" "HO3'" sing N N 90  
DT  "C2'" "C1'"  sing N N 91  
DT  "C2'" "H2'"  sing N N 92  
DT  "C2'" "H2''" sing N N 93  
DT  "C1'" N1     sing N N 94  
DT  "C1'" "H1'"  sing N N 95  
DT  N1    C2     sing N N 96  
DT  N1    C6     sing N N 97  
DT  C2    O2     doub N N 98  
DT  C2    N3     sing N N 99  
DT  N3    C4     sing N N 100 
DT  N3    H3     sing N N 101 
DT  C4    O4     doub N N 102 
DT  C4    C5     sing N N 103 
DT  C5    C7     sing N N 104 
DT  C5    C6     doub N N 105 
DT  C7    H71    sing N N 106 
DT  C7    H72    sing N N 107 
DT  C7    H73    sing N N 108 
DT  C6    H6     sing N N 109 
HOH O     H1     sing N N 110 
HOH O     H2     sing N N 111 
# 
_ndb_struct_conf_na.entry_id   1GQU 
_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 B DA  1 1_555 A DT  6 1_555 0.779  -3.761 1.546  -15.024 24.077  67.942  1  B_DA7:DT6_A    B 7  ? A 6  ? 23 3 
1 B DT  2 1_555 A DA  5 1_555 0.227  3.411  0.639  -21.961 3.037   -62.026 2  B_DT8:DA5_A    B 8  ? A 5  ? 23 3 
1 B DA  3 1_555 A BRU 4 1_555 0.178  -3.516 -0.331 5.525   10.827  66.288  3  B_DA9:BRU4_A   B 9  ? A 4  ? 23 3 
1 B BRU 4 1_555 A DA  3 1_555 -0.269 3.454  0.192  -8.238  -4.263  -62.434 4  B_BRU10:DA3_A  B 10 ? A 3  ? 23 3 
1 B DA  5 1_555 A DT  2 1_555 0.184  -3.774 -0.607 16.497  -3.693  57.511  5  B_DA11:DT2_A   B 11 ? A 2  ? 23 3 
1 B DT  6 1_555 A DA  1 1_555 -0.416 3.578  -0.860 10.571  -20.982 -64.774 6  B_DT12:DA1_A   B 12 ? A 1  ? 23 3 
1 C BRU 4 1_555 D DA  1 1_555 -0.382 3.625  -0.387 10.304  -19.316 -65.392 7  C_BRU16:DA19_D C 16 ? D 19 ? 23 3 
1 C DA  3 1_555 D DT  2 1_555 0.745  -3.720 -0.303 8.844   -0.681  66.787  8  C_DA15:DT20_D  C 15 ? D 20 ? 23 3 
1 C DT  2 1_555 D DA  3 1_555 -0.554 3.880  0.382  -9.406  0.915   -61.758 9  C_DT14:DA21_D  C 14 ? D 21 ? 23 3 
1 C DA  1 1_555 D BRU 4 1_555 0.148  -3.611 0.258  -2.368  20.199  61.505  10 C_DA13:BRU22_D C 13 ? D 22 ? 23 3 
# 
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 B DA  1 1_555 A DT  6 1_555 B DT  2 1_555 A DA  5 1_555 -1.051 -3.656 -1.718 92.215   -144.876 105.421  -2.052 0.385  0.156  
-73.149 -46.560 174.995  1 BB_DA7DT8:DA5DT6_AA      B 7  ? A 6  ? B 8  ? A 5  ? 
1 B DT  2 1_555 A DA  5 1_555 B DA  3 1_555 A BRU 4 1_555 -1.831 4.582  -3.017 157.550  -74.214  -94.229  -2.524 -1.409 0.242  
37.440  79.481  -176.023 2 BB_DT8DA9:BRU4DA5_AA     B 8  ? A 5  ? B 9  ? A 4  ? 
1 B DA  3 1_555 A BRU 4 1_555 B BRU 4 1_555 A DA  3 1_555 1.419  3.461  3.035  -92.362  149.353  -76.864  -2.389 0.303  0.167  
-75.384 -46.618 -176.558 3 BB_DA9BRU10:DA3BRU4_AA   B 9  ? A 4  ? B 10 ? A 3  ? 
1 B BRU 4 1_555 A DA  3 1_555 B DA  5 1_555 A DT  2 1_555 -3.185 4.834  -0.811 161.154  -66.569  -163.488 -2.430 -1.624 -0.116 
33.296  80.604  -179.191 4 BB_BRU10DA11:DT2DA3_AA   B 10 ? A 3  ? B 11 ? A 2  ? 
1 B DA  5 1_555 A DT  2 1_555 B DT  6 1_555 A DA  1 1_555 0.881  4.074  1.329  -95.135  147.802  -123.754 -2.154 0.365  -0.217 
-74.111 -47.703 -178.008 5 BB_DA11DT12:DA1DT2_AA    B 11 ? A 2  ? B 12 ? A 1  ? 
1 B DT  6 1_555 A DA  1 1_555 C BRU 4 1_555 D DA  1 1_555 -0.518 4.303  -1.207 161.523  -58.121  -122.134 -2.211 -0.420 -0.118 
29.236  81.250  -175.969 6 BC_DT12BRU16:DA19DA1_DA  B 12 ? A 1  ? C 16 ? D 19 ? 
1 C BRU 4 1_555 D DA  1 1_555 C DA  3 1_555 D DT  2 1_555 0.325  4.705  0.145  -98.855  148.416  -165.485 -2.347 0.166  -0.328 
-74.214 -49.431 -179.788 7 CC_BRU16DA15:DT20DA19_DD C 16 ? D 19 ? C 15 ? D 20 ? 
1 C DA  3 1_555 D DT  2 1_555 C DT  2 1_555 D DA  3 1_555 3.407  -4.889 0.099  -165.332 62.373   178.601  -2.445 -1.704 0.039  
31.186  82.666  179.960  8 CC_DA15DT14:DA21DT20_DD  C 15 ? D 20 ? C 14 ? D 21 ? 
1 C DT  2 1_555 D DA  3 1_555 C DA  1 1_555 D BRU 4 1_555 0.586  4.192  2.368  -100.619 145.978  -114.568 -2.419 0.071  0.307  
-73.166 -50.431 -178.538 9 CC_DT14DA13:BRU22DA21_DD C 14 ? D 21 ? C 13 ? D 22 ? 
# 
_atom_sites.entry_id                    1GQU 
_atom_sites.fract_transf_matrix[1][1]   0.041736 
_atom_sites.fract_transf_matrix[1][2]   0.000000 
_atom_sites.fract_transf_matrix[1][3]   0.002384 
_atom_sites.fract_transf_matrix[2][1]   0.000000 
_atom_sites.fract_transf_matrix[2][2]   0.020429 
_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]   0.031068 
_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 
BR 
C  
N  
O  
P  
# 
loop_