data_1D9H
# 
_entry.id   1D9H 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.385 
_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   1D9H         pdb_00001d9h 10.2210/pdb1d9h/pdb 
NDB   AH0006       ?            ?                   
RCSB  RCSB009911   ?            ?                   
WWPDB D_1000009911 ?            ?                   
# 
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 1999-12-02 
2 'Structure model' 1 1 2008-01-03 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2024-02-07 
# 
_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' struct_conn    
5 4 'Structure model' struct_ref_seq 
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
3 4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag' 
4 4 'Structure model' '_struct_ref_seq.db_align_beg'        
5 4 'Structure model' '_struct_ref_seq.db_align_end'        
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1D9H 
_pdbx_database_status.recvd_initial_deposition_date   1999-10-27 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.status_code_mr                  ? 
_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 
'Teplova, M.'   1 
'Wallace, S.T.' 2 
'Tereshko, V.'  3 
'Minasov, G.'   4 
'Simons, A.M.'  5 
'Cook, P.D.'    6 
'Manoharan, M.' 7 
'Egli, M.'      8 
# 
_citation.id                        primary 
_citation.title                     'Structural origins of the exonuclease resistance of a zwitterionic RNA' 
_citation.journal_abbrev            Proc.Natl.Acad.Sci.USA 
_citation.journal_volume            96 
_citation.page_first                14240 
_citation.page_last                 14245 
_citation.year                      1999 
_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   10588690 
_citation.pdbx_database_id_DOI      10.1073/pnas.96.25.14240 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Teplova, M.'   1 ? 
primary 'Wallace, S.T.' 2 ? 
primary 'Tereshko, V.'  3 ? 
primary 'Minasov, G.'   4 ? 
primary 'Symons, A.M.'  5 ? 
primary 'Cook, P.D.'    6 ? 
primary 'Manoharan, M.' 7 ? 
primary 'Egli, M.'      8 ? 
# 
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'-D(*GP*CP*GP*TP*AP)-R(*(U31)P)-D(*AP*CP*GP*C)-3')
;
3104.073 2   ? ? ? ? 
2 water   nat water                                                          18.015   145 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           'polydeoxyribonucleotide/polyribonucleotide hybrid' 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       '(DG)(DC)(DG)(DT)(DA)(U31)(DA)(DC)(DG)(DC)' 
_entity_poly.pdbx_seq_one_letter_code_can   GCGTAUACGC 
_entity_poly.pdbx_strand_id                 A,B 
_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  DG  n 
1 2  DC  n 
1 3  DG  n 
1 4  DT  n 
1 5  DA  n 
1 6  U31 n 
1 7  DA  n 
1 8  DC  n 
1 9  DG  n 
1 10 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 
DA  'DNA linking' y "2'-DEOXYADENOSINE-5'-MONOPHOSPHATE"                  ? 'C10 H14 N5 O6 P' 331.222 
DC  'DNA linking' y "2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE"                   ? 'C9 H14 N3 O7 P'  307.197 
DG  'DNA linking' y "2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE"                  ? 'C10 H14 N5 O7 P' 347.221 
DT  'DNA linking' y "THYMIDINE-5'-MONOPHOSPHATE"                          ? 'C10 H15 N2 O8 P' 322.208 
HOH non-polymer   . WATER                                                 ? 'H2 O'            18.015  
U31 'RNA linking' n 
;2'-O-3-AMINOPROPYL 2'-DEOXYURIDINE-5'-MONOPHOSPHATE
;
? 'C12 H20 N3 O9 P' 381.276 
# 
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  DG  1  1  1  DG  DG  A . n 
A 1 2  DC  2  2  2  DC  DC  A . n 
A 1 3  DG  3  3  3  DG  DG  A . n 
A 1 4  DT  4  4  4  DT  DT  A . n 
A 1 5  DA  5  5  5  DA  DA  A . n 
A 1 6  U31 6  6  6  U31 U31 A . n 
A 1 7  DA  7  7  7  DA  DA  A . n 
A 1 8  DC  8  8  8  DC  DC  A . n 
A 1 9  DG  9  9  9  DG  DG  A . n 
A 1 10 DC  10 10 10 DC  DC  A . n 
B 1 1  DG  1  11 1  DG  DG  B . n 
B 1 2  DC  2  12 2  DC  DC  B . n 
B 1 3  DG  3  13 3  DG  DG  B . n 
B 1 4  DT  4  14 4  DT  DT  B . n 
B 1 5  DA  5  15 5  DA  DA  B . n 
B 1 6  U31 6  16 6  U31 U31 B . n 
B 1 7  DA  7  17 7  DA  DA  B . n 
B 1 8  DC  8  18 8  DC  DC  B . n 
B 1 9  DG  9  19 9  DG  DG  B . n 
B 1 10 DC  10 20 10 DC  DC  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 HOH 1  11 1  HOH HOH A . 
C 2 HOH 2  12 2  HOH HOH A . 
C 2 HOH 3  13 3  HOH HOH A . 
C 2 HOH 4  14 4  HOH HOH A . 
C 2 HOH 5  15 5  HOH HOH A . 
C 2 HOH 6  16 6  HOH HOH A . 
C 2 HOH 7  17 7  HOH HOH A . 
C 2 HOH 8  18 8  HOH HOH A . 
C 2 HOH 9  19 9  HOH HOH A . 
C 2 HOH 10 20 10 HOH HOH A . 
C 2 HOH 11 21 11 HOH HOH A . 
C 2 HOH 12 22 12 HOH HOH A . 
C 2 HOH 13 23 13 HOH HOH A . 
C 2 HOH 14 24 14 HOH HOH A . 
C 2 HOH 15 25 15 HOH HOH A . 
C 2 HOH 16 26 16 HOH HOH A . 
C 2 HOH 17 27 17 HOH HOH A . 
C 2 HOH 18 28 18 HOH HOH A . 
C 2 HOH 19 29 19 HOH HOH A . 
C 2 HOH 20 30 20 HOH HOH A . 
C 2 HOH 21 31 21 HOH HOH A . 
C 2 HOH 22 32 22 HOH HOH A . 
C 2 HOH 23 33 23 HOH HOH A . 
C 2 HOH 24 34 24 HOH HOH A . 
C 2 HOH 25 35 25 HOH HOH A . 
C 2 HOH 26 36 26 HOH HOH A . 
C 2 HOH 27 37 27 HOH HOH A . 
C 2 HOH 28 38 28 HOH HOH A . 
C 2 HOH 29 39 29 HOH HOH A . 
C 2 HOH 30 40 30 HOH HOH A . 
C 2 HOH 31 41 31 HOH HOH A . 
C 2 HOH 32 42 32 HOH HOH A . 
C 2 HOH 33 43 33 HOH HOH A . 
C 2 HOH 34 44 34 HOH HOH A . 
C 2 HOH 35 45 35 HOH HOH A . 
C 2 HOH 36 46 36 HOH HOH A . 
C 2 HOH 37 47 37 HOH HOH A . 
C 2 HOH 38 48 38 HOH HOH A . 
C 2 HOH 39 49 39 HOH HOH A . 
C 2 HOH 40 50 40 HOH HOH A . 
C 2 HOH 41 51 41 HOH HOH A . 
C 2 HOH 42 52 42 HOH HOH A . 
C 2 HOH 43 53 43 HOH HOH A . 
C 2 HOH 44 54 44 HOH HOH A . 
C 2 HOH 45 55 45 HOH HOH A . 
C 2 HOH 46 56 46 HOH HOH A . 
C 2 HOH 47 57 47 HOH HOH A . 
C 2 HOH 48 58 48 HOH HOH A . 
C 2 HOH 49 59 49 HOH HOH A . 
C 2 HOH 50 60 50 HOH HOH A . 
C 2 HOH 51 61 51 HOH HOH A . 
C 2 HOH 52 62 52 HOH HOH A . 
C 2 HOH 53 63 53 HOH HOH A . 
C 2 HOH 54 64 54 HOH HOH A . 
C 2 HOH 55 65 55 HOH HOH A . 
C 2 HOH 56 66 56 HOH HOH A . 
C 2 HOH 57 67 57 HOH HOH A . 
C 2 HOH 58 68 58 HOH HOH A . 
C 2 HOH 59 69 59 HOH HOH A . 
C 2 HOH 60 70 60 HOH HOH A . 
C 2 HOH 61 71 61 HOH HOH A . 
C 2 HOH 62 72 62 HOH HOH A . 
C 2 HOH 63 73 63 HOH HOH A . 
C 2 HOH 64 74 64 HOH HOH A . 
C 2 HOH 65 75 65 HOH HOH A . 
C 2 HOH 66 76 66 HOH HOH A . 
C 2 HOH 67 77 67 HOH HOH A . 
D 2 HOH 1  21 1  HOH HOH B . 
D 2 HOH 2  22 2  HOH HOH B . 
D 2 HOH 3  23 3  HOH HOH B . 
D 2 HOH 4  24 4  HOH HOH B . 
D 2 HOH 5  25 5  HOH HOH B . 
D 2 HOH 6  26 6  HOH HOH B . 
D 2 HOH 7  27 7  HOH HOH B . 
D 2 HOH 8  28 8  HOH HOH B . 
D 2 HOH 9  29 9  HOH HOH B . 
D 2 HOH 10 30 10 HOH HOH B . 
D 2 HOH 11 31 11 HOH HOH B . 
D 2 HOH 12 32 12 HOH HOH B . 
D 2 HOH 13 33 13 HOH HOH B . 
D 2 HOH 14 34 14 HOH HOH B . 
D 2 HOH 15 35 15 HOH HOH B . 
D 2 HOH 16 36 16 HOH HOH B . 
D 2 HOH 17 37 17 HOH HOH B . 
D 2 HOH 18 38 18 HOH HOH B . 
D 2 HOH 19 39 19 HOH HOH B . 
D 2 HOH 20 40 20 HOH HOH B . 
D 2 HOH 21 41 21 HOH HOH B . 
D 2 HOH 22 42 22 HOH HOH B . 
D 2 HOH 23 43 23 HOH HOH B . 
D 2 HOH 24 44 24 HOH HOH B . 
D 2 HOH 25 45 25 HOH HOH B . 
D 2 HOH 26 46 26 HOH HOH B . 
D 2 HOH 27 47 27 HOH HOH B . 
D 2 HOH 28 48 28 HOH HOH B . 
D 2 HOH 29 49 29 HOH HOH B . 
D 2 HOH 30 50 30 HOH HOH B . 
D 2 HOH 31 51 31 HOH HOH B . 
D 2 HOH 32 52 32 HOH HOH B . 
D 2 HOH 33 53 33 HOH HOH B . 
D 2 HOH 34 54 34 HOH HOH B . 
D 2 HOH 35 55 35 HOH HOH B . 
D 2 HOH 36 56 36 HOH HOH B . 
D 2 HOH 37 57 37 HOH HOH B . 
D 2 HOH 38 58 38 HOH HOH B . 
D 2 HOH 39 59 39 HOH HOH B . 
D 2 HOH 40 60 40 HOH HOH B . 
D 2 HOH 41 61 41 HOH HOH B . 
D 2 HOH 42 62 42 HOH HOH B . 
D 2 HOH 43 63 43 HOH HOH B . 
D 2 HOH 44 64 44 HOH HOH B . 
D 2 HOH 45 65 45 HOH HOH B . 
D 2 HOH 46 66 46 HOH HOH B . 
D 2 HOH 47 67 47 HOH HOH B . 
D 2 HOH 48 68 48 HOH HOH B . 
D 2 HOH 49 69 49 HOH HOH B . 
D 2 HOH 50 70 50 HOH HOH B . 
D 2 HOH 51 71 51 HOH HOH B . 
D 2 HOH 52 72 52 HOH HOH B . 
D 2 HOH 53 73 53 HOH HOH B . 
D 2 HOH 54 74 54 HOH HOH B . 
D 2 HOH 55 75 55 HOH HOH B . 
D 2 HOH 56 76 56 HOH HOH B . 
D 2 HOH 57 77 57 HOH HOH B . 
D 2 HOH 58 78 58 HOH HOH B . 
D 2 HOH 59 79 59 HOH HOH B . 
D 2 HOH 60 80 60 HOH HOH B . 
D 2 HOH 61 81 61 HOH HOH B . 
D 2 HOH 62 82 62 HOH HOH B . 
D 2 HOH 63 83 63 HOH HOH B . 
D 2 HOH 64 84 64 HOH HOH B . 
D 2 HOH 65 85 65 HOH HOH B . 
D 2 HOH 66 86 66 HOH HOH B . 
D 2 HOH 67 87 67 HOH HOH B . 
D 2 HOH 68 88 68 HOH HOH B . 
D 2 HOH 69 89 69 HOH HOH B . 
D 2 HOH 70 90 70 HOH HOH B . 
D 2 HOH 71 91 71 HOH HOH B . 
D 2 HOH 72 92 72 HOH HOH B . 
D 2 HOH 73 93 73 HOH HOH B . 
D 2 HOH 74 94 74 HOH HOH B . 
D 2 HOH 75 95 75 HOH HOH B . 
D 2 HOH 76 96 76 HOH HOH B . 
D 2 HOH 77 97 77 HOH HOH B . 
D 2 HOH 78 98 78 HOH HOH B . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
DENZO     'data reduction' . ? 1 
SCALEPACK 'data scaling'   . ? 2 
AMoRE     phasing          . ? 3 
X-PLOR    refinement       . ? 4 
# 
_cell.entry_id           1D9H 
_cell.length_a           25.17 
_cell.length_b           42.77 
_cell.length_c           45.18 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        90.00 
_cell.Z_PDB              8 
_cell.pdbx_unique_axis   ? 
_cell.length_a_esd       ? 
_cell.length_b_esd       ? 
_cell.length_c_esd       ? 
_cell.angle_alpha_esd    ? 
_cell.angle_beta_esd     ? 
_cell.angle_gamma_esd    ? 
# 
_symmetry.entry_id                         1D9H 
_symmetry.space_group_name_H-M             'P 21 21 21' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     orthorhombic 
_symmetry.Int_Tables_number                19 
_symmetry.space_group_name_Hall            ? 
# 
_exptl.entry_id          1D9H 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_percent_sol   34.61 
_exptl_crystal.density_Matthews      1.88 
_exptl_crystal.description           ? 
_exptl_crystal.F_000                 ? 
_exptl_crystal.preparation           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.temp            295 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              7.0 
_exptl_crystal_grow.pdbx_details    
'MPD, POTASSIUN CACODYLATE, KCL, SPERMINE, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K' 
_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 'POTASSIUN CACODYLATE' ? ? ? 
1 2 1 KCL                    ? ? ? 
1 3 1 SPERMINE               ? ? ? 
1 4 1 MPD                    ? ? ? 
1 5 2 MPD                    ? ? ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           120 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               'IMAGE PLATE' 
_diffrn_detector.type                   'RIGAKU RAXIS IIC' 
_diffrn_detector.pdbx_collection_date   ? 
_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             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   1.5418 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      'ROTATING ANODE' 
_diffrn_source.type                        'RIGAKU RU200' 
_diffrn_source.pdbx_synchrotron_site       ? 
_diffrn_source.pdbx_synchrotron_beamline   ? 
_diffrn_source.pdbx_wavelength             1.5418 
_diffrn_source.pdbx_wavelength_list        ? 
# 
_reflns.entry_id                     1D9H 
_reflns.observed_criterion_sigma_I   ? 
_reflns.observed_criterion_sigma_F   ? 
_reflns.d_resolution_low             30.0 
_reflns.d_resolution_high            1.60 
_reflns.number_obs                   6444 
_reflns.number_all                   6444 
_reflns.percent_possible_obs         94.8 
_reflns.pdbx_Rmerge_I_obs            0.086 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        ? 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              ? 
_reflns.R_free_details               ? 
_reflns.pdbx_chi_squared             ? 
_reflns.pdbx_scaling_rejects         ? 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_refine.entry_id                                 1D9H 
_refine.ls_number_reflns_obs                     6234 
_refine.ls_number_reflns_all                     ? 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          2.0 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             8.0 
_refine.ls_d_res_high                            1.60 
_refine.ls_percent_reflns_obs                    ? 
_refine.ls_R_factor_obs                          0.187 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.187 
_refine.ls_R_factor_R_free                       0.243 
_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               THROUGHOUT 
_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            RANDOM 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_B                             ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.ls_wR_factor_R_free                      ? 
_refine.ls_wR_factor_R_work                      ? 
_refine.overall_FOM_free_R_set                   ? 
_refine.overall_FOM_work_R_set                   ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_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   458 
_refine_hist.pdbx_number_atoms_ligand         8 
_refine_hist.number_atoms_solvent             435 
_refine_hist.number_atoms_total               901 
_refine_hist.d_res_high                       1.60 
_refine_hist.d_res_low                        8.0 
# 
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                0.007 ? ? ? '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             1.07  ? ? ? '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' ? 
# 
_struct.entry_id                  1D9H 
_struct.title                     'Structural origins of the exonuclease resistance of a zwitterionic RNA' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1D9H 
_struct_keywords.pdbx_keywords   'DNA, RNA' 
_struct_keywords.text            'EXONUCLEASE RESISTANCE, A-DNA, DNA, RNA' 
# 
loop_
_struct_asym.id 
_struct_asym.pdbx_blank_PDB_chainid_flag 
_struct_asym.pdbx_modified 
_struct_asym.entity_id 
_struct_asym.details 
A N N 1 ? 
B N N 1 ? 
C N N 2 ? 
D N N 2 ? 
# 
_struct_ref.id                         1 
_struct_ref.db_code                    1D9H 
_struct_ref.db_name                    PDB 
_struct_ref.entity_id                  1 
_struct_ref.pdbx_db_accession          1D9H 
_struct_ref.pdbx_align_begin           1 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_db_isoform            ? 
# 
loop_
_struct_ref_seq.align_id 
_struct_ref_seq.ref_id 
_struct_ref_seq.pdbx_PDB_id_code 
_struct_ref_seq.pdbx_strand_id 
_struct_ref_seq.seq_align_beg 
_struct_ref_seq.pdbx_seq_align_beg_ins_code 
_struct_ref_seq.seq_align_end 
_struct_ref_seq.pdbx_seq_align_end_ins_code 
_struct_ref_seq.pdbx_db_accession 
_struct_ref_seq.db_align_beg 
_struct_ref_seq.pdbx_db_align_beg_ins_code 
_struct_ref_seq.db_align_end 
_struct_ref_seq.pdbx_db_align_end_ins_code 
_struct_ref_seq.pdbx_auth_seq_align_beg 
_struct_ref_seq.pdbx_auth_seq_align_end 
1 1 1D9H A 1 ? 10 ? 1D9H 1  ? 10 ? 1  10 
2 1 1D9H B 1 ? 10 ? 1D9H 11 ? 20 ? 11 20 
# 
_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 
# 
_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 
_struct_biol.details   ? 
# 
loop_
_struct_conn.id 
_struct_conn.conn_type_id 
_struct_conn.pdbx_leaving_atom_flag 
_struct_conn.pdbx_PDB_id 
_struct_conn.ptnr1_label_asym_id 
_struct_conn.ptnr1_label_comp_id 
_struct_conn.ptnr1_label_seq_id 
_struct_conn.ptnr1_label_atom_id 
_struct_conn.pdbx_ptnr1_label_alt_id 
_struct_conn.pdbx_ptnr1_PDB_ins_code 
_struct_conn.pdbx_ptnr1_standard_comp_id 
_struct_conn.ptnr1_symmetry 
_struct_conn.ptnr2_label_asym_id 
_struct_conn.ptnr2_label_comp_id 
_struct_conn.ptnr2_label_seq_id 
_struct_conn.ptnr2_label_atom_id 
_struct_conn.pdbx_ptnr2_label_alt_id 
_struct_conn.pdbx_ptnr2_PDB_ins_code 
_struct_conn.ptnr1_auth_asym_id 
_struct_conn.ptnr1_auth_comp_id 
_struct_conn.ptnr1_auth_seq_id 
_struct_conn.ptnr2_auth_asym_id 
_struct_conn.ptnr2_auth_comp_id 
_struct_conn.ptnr2_auth_seq_id 
_struct_conn.ptnr2_symmetry 
_struct_conn.pdbx_ptnr3_label_atom_id 
_struct_conn.pdbx_ptnr3_label_seq_id 
_struct_conn.pdbx_ptnr3_label_comp_id 
_struct_conn.pdbx_ptnr3_label_asym_id 
_struct_conn.pdbx_ptnr3_label_alt_id 
_struct_conn.pdbx_ptnr3_PDB_ins_code 
_struct_conn.details 
_struct_conn.pdbx_dist_value 
_struct_conn.pdbx_value_order 
_struct_conn.pdbx_role 
covale1  covale both ? A DA  5  "O3'" ? ? ? 1_555 A U31 6  P  ? ? A DA  5  A U31 6  1_555 ? ? ? ? ? ? ?            1.599 ? ? 
covale2  covale one  ? A U31 6  "O3'" ? ? ? 1_555 A DA  7  P  ? ? A U31 6  A DA  7  1_555 ? ? ? ? ? ? ?            1.601 ? ? 
covale3  covale both ? B DA  5  "O3'" ? ? ? 1_555 B U31 6  P  ? ? B DA  15 B U31 16 1_555 ? ? ? ? ? ? ?            1.601 ? ? 
covale4  covale one  ? B U31 6  "O3'" ? ? ? 1_555 B DA  7  P  ? ? B U31 16 B DA  17 1_555 ? ? ? ? ? ? ?            1.603 ? ? 
hydrog1  hydrog ?    ? A DG  1  N1    ? ? ? 1_555 B DC  10 N3 ? ? A DG  1  B DC  20 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog2  hydrog ?    ? A DG  1  N2    ? ? ? 1_555 B DC  10 O2 ? ? A DG  1  B DC  20 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog3  hydrog ?    ? A DG  1  O6    ? ? ? 1_555 B DC  10 N4 ? ? A DG  1  B DC  20 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog4  hydrog ?    ? A DC  2  N3    ? ? ? 1_555 B DG  9  N1 ? ? A DC  2  B DG  19 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog5  hydrog ?    ? A DC  2  N4    ? ? ? 1_555 B DG  9  O6 ? ? A DC  2  B DG  19 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog6  hydrog ?    ? A DC  2  O2    ? ? ? 1_555 B DG  9  N2 ? ? A DC  2  B DG  19 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog7  hydrog ?    ? A DG  3  N1    ? ? ? 1_555 B DC  8  N3 ? ? A DG  3  B DC  18 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog8  hydrog ?    ? A DG  3  N2    ? ? ? 1_555 B DC  8  O2 ? ? A DG  3  B DC  18 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog9  hydrog ?    ? A DG  3  O6    ? ? ? 1_555 B DC  8  N4 ? ? A DG  3  B DC  18 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog10 hydrog ?    ? A DT  4  N3    ? ? ? 1_555 B DA  7  N1 ? ? A DT  4  B DA  17 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog11 hydrog ?    ? A DT  4  O4    ? ? ? 1_555 B DA  7  N6 ? ? A DT  4  B DA  17 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog12 hydrog ?    ? A DA  5  N1    ? ? ? 1_555 B U31 6  N3 ? ? A DA  5  B U31 16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog13 hydrog ?    ? A DA  5  N6    ? ? ? 1_555 B U31 6  O4 ? ? A DA  5  B U31 16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog14 hydrog ?    ? A U31 6  N3    ? ? ? 1_555 B DA  5  N1 ? ? A U31 6  B DA  15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog15 hydrog ?    ? A U31 6  O4    ? ? ? 1_555 B DA  5  N6 ? ? A U31 6  B DA  15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog16 hydrog ?    ? A DA  7  N1    ? ? ? 1_555 B DT  4  N3 ? ? A DA  7  B DT  14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog17 hydrog ?    ? A DA  7  N6    ? ? ? 1_555 B DT  4  O4 ? ? A DA  7  B DT  14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog18 hydrog ?    ? A DC  8  N3    ? ? ? 1_555 B DG  3  N1 ? ? A DC  8  B DG  13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog19 hydrog ?    ? A DC  8  N4    ? ? ? 1_555 B DG  3  O6 ? ? A DC  8  B DG  13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog20 hydrog ?    ? A DC  8  O2    ? ? ? 1_555 B DG  3  N2 ? ? A DC  8  B DG  13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog21 hydrog ?    ? A DG  9  N1    ? ? ? 1_555 B DC  2  N3 ? ? A DG  9  B DC  12 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog22 hydrog ?    ? A DG  9  N2    ? ? ? 1_555 B DC  2  O2 ? ? A DG  9  B DC  12 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog23 hydrog ?    ? A DG  9  O6    ? ? ? 1_555 B DC  2  N4 ? ? A DG  9  B DC  12 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog24 hydrog ?    ? A DC  10 N3    ? ? ? 1_555 B DG  1  N1 ? ? A DC  10 B DG  11 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog25 hydrog ?    ? A DC  10 N4    ? ? ? 1_555 B DG  1  O6 ? ? A DC  10 B DG  11 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog26 hydrog ?    ? A DC  10 O2    ? ? ? 1_555 B DG  1  N2 ? ? A DC  10 B DG  11 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
covale ? ? 
hydrog ? ? 
# 
_pdbx_validate_close_contact.id               1 
_pdbx_validate_close_contact.PDB_model_num    1 
_pdbx_validate_close_contact.auth_atom_id_1   O 
_pdbx_validate_close_contact.auth_asym_id_1   A 
_pdbx_validate_close_contact.auth_comp_id_1   HOH 
_pdbx_validate_close_contact.auth_seq_id_1    49 
_pdbx_validate_close_contact.PDB_ins_code_1   ? 
_pdbx_validate_close_contact.label_alt_id_1   ? 
_pdbx_validate_close_contact.auth_atom_id_2   O 
_pdbx_validate_close_contact.auth_asym_id_2   A 
_pdbx_validate_close_contact.auth_comp_id_2   HOH 
_pdbx_validate_close_contact.auth_seq_id_2    59 
_pdbx_validate_close_contact.PDB_ins_code_2   ? 
_pdbx_validate_close_contact.label_alt_id_2   ? 
_pdbx_validate_close_contact.dist             1.82 
# 
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 U31 6 A U31 6  ? U ? 
2 B U31 6 B U31 16 ? U ? 
# 
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 
DA  OP3    O N N 1   
DA  P      P N N 2   
DA  OP1    O N N 3   
DA  OP2    O N N 4   
DA  "O5'"  O N N 5   
DA  "C5'"  C N N 6   
DA  "C4'"  C N R 7   
DA  "O4'"  O N N 8   
DA  "C3'"  C N S 9   
DA  "O3'"  O N N 10  
DA  "C2'"  C N N 11  
DA  "C1'"  C N R 12  
DA  N9     N Y N 13  
DA  C8     C Y N 14  
DA  N7     N Y N 15  
DA  C5     C Y N 16  
DA  C6     C Y N 17  
DA  N6     N N N 18  
DA  N1     N Y N 19  
DA  C2     C Y N 20  
DA  N3     N Y N 21  
DA  C4     C Y N 22  
DA  HOP3   H N N 23  
DA  HOP2   H N N 24  
DA  "H5'"  H N N 25  
DA  "H5''" H N N 26  
DA  "H4'"  H N N 27  
DA  "H3'"  H N N 28  
DA  "HO3'" H N N 29  
DA  "H2'"  H N N 30  
DA  "H2''" H N N 31  
DA  "H1'"  H N N 32  
DA  H8     H N N 33  
DA  H61    H N N 34  
DA  H62    H N N 35  
DA  H2     H N N 36  
DC  OP3    O N N 37  
DC  P      P N N 38  
DC  OP1    O N N 39  
DC  OP2    O N N 40  
DC  "O5'"  O N N 41  
DC  "C5'"  C N N 42  
DC  "C4'"  C N R 43  
DC  "O4'"  O N N 44  
DC  "C3'"  C N S 45  
DC  "O3'"  O N N 46  
DC  "C2'"  C N N 47  
DC  "C1'"  C N R 48  
DC  N1     N N N 49  
DC  C2     C N N 50  
DC  O2     O N N 51  
DC  N3     N N N 52  
DC  C4     C N N 53  
DC  N4     N N N 54  
DC  C5     C N N 55  
DC  C6     C N N 56  
DC  HOP3   H N N 57  
DC  HOP2   H N N 58  
DC  "H5'"  H N N 59  
DC  "H5''" H N N 60  
DC  "H4'"  H N N 61  
DC  "H3'"  H N N 62  
DC  "HO3'" H N N 63  
DC  "H2'"  H N N 64  
DC  "H2''" H N N 65  
DC  "H1'"  H N N 66  
DC  H41    H N N 67  
DC  H42    H N N 68  
DC  H5     H N N 69  
DC  H6     H N N 70  
DG  OP3    O N N 71  
DG  P      P N N 72  
DG  OP1    O N N 73  
DG  OP2    O N N 74  
DG  "O5'"  O N N 75  
DG  "C5'"  C N N 76  
DG  "C4'"  C N R 77  
DG  "O4'"  O N N 78  
DG  "C3'"  C N S 79  
DG  "O3'"  O N N 80  
DG  "C2'"  C N N 81  
DG  "C1'"  C N R 82  
DG  N9     N Y N 83  
DG  C8     C Y N 84  
DG  N7     N Y N 85  
DG  C5     C Y N 86  
DG  C6     C N N 87  
DG  O6     O N N 88  
DG  N1     N N N 89  
DG  C2     C N N 90  
DG  N2     N N N 91  
DG  N3     N N N 92  
DG  C4     C Y N 93  
DG  HOP3   H N N 94  
DG  HOP2   H N N 95  
DG  "H5'"  H N N 96  
DG  "H5''" H N N 97  
DG  "H4'"  H N N 98  
DG  "H3'"  H N N 99  
DG  "HO3'" H N N 100 
DG  "H2'"  H N N 101 
DG  "H2''" H N N 102 
DG  "H1'"  H N N 103 
DG  H8     H N N 104 
DG  H1     H N N 105 
DG  H21    H N N 106 
DG  H22    H N N 107 
DT  OP3    O N N 108 
DT  P      P N N 109 
DT  OP1    O N N 110 
DT  OP2    O N N 111 
DT  "O5'"  O N N 112 
DT  "C5'"  C N N 113 
DT  "C4'"  C N R 114 
DT  "O4'"  O N N 115 
DT  "C3'"  C N S 116 
DT  "O3'"  O N N 117 
DT  "C2'"  C N N 118 
DT  "C1'"  C N R 119 
DT  N1     N N N 120 
DT  C2     C N N 121 
DT  O2     O N N 122 
DT  N3     N N N 123 
DT  C4     C N N 124 
DT  O4     O N N 125 
DT  C5     C N N 126 
DT  C7     C N N 127 
DT  C6     C N N 128 
DT  HOP3   H N N 129 
DT  HOP2   H N N 130 
DT  "H5'"  H N N 131 
DT  "H5''" H N N 132 
DT  "H4'"  H N N 133 
DT  "H3'"  H N N 134 
DT  "HO3'" H N N 135 
DT  "H2'"  H N N 136 
DT  "H2''" H N N 137 
DT  "H1'"  H N N 138 
DT  H3     H N N 139 
DT  H71    H N N 140 
DT  H72    H N N 141 
DT  H73    H N N 142 
DT  H6     H N N 143 
HOH O      O N N 144 
HOH H1     H N N 145 
HOH H2     H N N 146 
U31 P      P N N 147 
U31 O1P    O N N 148 
U31 O2P    O N N 149 
U31 O3P    O N N 150 
U31 "O5'"  O N N 151 
U31 "C5'"  C N N 152 
U31 "C4'"  C N R 153 
U31 "O4'"  O N N 154 
U31 "C3'"  C N R 155 
U31 "O3'"  O N N 156 
U31 "C2'"  C N R 157 
U31 "O2'"  O N N 158 
U31 "C1'"  C N R 159 
U31 N1     N N N 160 
U31 C2     C N N 161 
U31 O2     O N N 162 
U31 N3     N N N 163 
U31 C4     C N N 164 
U31 O4     O N N 165 
U31 C5     C N N 166 
U31 C6     C N N 167 
U31 "CA'"  C N N 168 
U31 "CB'"  C N N 169 
U31 CC     C N N 170 
U31 "ND'"  N N N 171 
U31 H1P    H N N 172 
U31 H3P    H N N 173 
U31 "H5'1" H N N 174 
U31 "H5'2" H N N 175 
U31 "H4'"  H N N 176 
U31 "H3'"  H N N 177 
U31 HA     H N N 178 
U31 "H2'"  H N N 179 
U31 "H1'"  H N N 180 
U31 H3     H N N 181 
U31 H5     H N N 182 
U31 H6     H N N 183 
U31 "HA'1" H N N 184 
U31 "HA'2" H N N 185 
U31 "HB'1" H N N 186 
U31 "HB'2" H N N 187 
U31 HCC1   H N N 188 
U31 HCC2   H N N 189 
U31 "HD'1" H N N 190 
U31 "HD'2" H N N 191 
# 
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 
DA  OP3   P      sing N N 1   
DA  OP3   HOP3   sing N N 2   
DA  P     OP1    doub N N 3   
DA  P     OP2    sing N N 4   
DA  P     "O5'"  sing N N 5   
DA  OP2   HOP2   sing N N 6   
DA  "O5'" "C5'"  sing N N 7   
DA  "C5'" "C4'"  sing N N 8   
DA  "C5'" "H5'"  sing N N 9   
DA  "C5'" "H5''" sing N N 10  
DA  "C4'" "O4'"  sing N N 11  
DA  "C4'" "C3'"  sing N N 12  
DA  "C4'" "H4'"  sing N N 13  
DA  "O4'" "C1'"  sing N N 14  
DA  "C3'" "O3'"  sing N N 15  
DA  "C3'" "C2'"  sing N N 16  
DA  "C3'" "H3'"  sing N N 17  
DA  "O3'" "HO3'" sing N N 18  
DA  "C2'" "C1'"  sing N N 19  
DA  "C2'" "H2'"  sing N N 20  
DA  "C2'" "H2''" sing N N 21  
DA  "C1'" N9     sing N N 22  
DA  "C1'" "H1'"  sing N N 23  
DA  N9    C8     sing Y N 24  
DA  N9    C4     sing Y N 25  
DA  C8    N7     doub Y N 26  
DA  C8    H8     sing N N 27  
DA  N7    C5     sing Y N 28  
DA  C5    C6     sing Y N 29  
DA  C5    C4     doub Y N 30  
DA  C6    N6     sing N N 31  
DA  C6    N1     doub Y N 32  
DA  N6    H61    sing N N 33  
DA  N6    H62    sing N N 34  
DA  N1    C2     sing Y N 35  
DA  C2    N3     doub Y N 36  
DA  C2    H2     sing N N 37  
DA  N3    C4     sing Y N 38  
DC  OP3   P      sing N N 39  
DC  OP3   HOP3   sing N N 40  
DC  P     OP1    doub N N 41  
DC  P     OP2    sing N N 42  
DC  P     "O5'"  sing N N 43  
DC  OP2   HOP2   sing N N 44  
DC  "O5'" "C5'"  sing N N 45  
DC  "C5'" "C4'"  sing N N 46  
DC  "C5'" "H5'"  sing N N 47  
DC  "C5'" "H5''" sing N N 48  
DC  "C4'" "O4'"  sing N N 49  
DC  "C4'" "C3'"  sing N N 50  
DC  "C4'" "H4'"  sing N N 51  
DC  "O4'" "C1'"  sing N N 52  
DC  "C3'" "O3'"  sing N N 53  
DC  "C3'" "C2'"  sing N N 54  
DC  "C3'" "H3'"  sing N N 55  
DC  "O3'" "HO3'" sing N N 56  
DC  "C2'" "C1'"  sing N N 57  
DC  "C2'" "H2'"  sing N N 58  
DC  "C2'" "H2''" sing N N 59  
DC  "C1'" N1     sing N N 60  
DC  "C1'" "H1'"  sing N N 61  
DC  N1    C2     sing N N 62  
DC  N1    C6     sing N N 63  
DC  C2    O2     doub N N 64  
DC  C2    N3     sing N N 65  
DC  N3    C4     doub N N 66  
DC  C4    N4     sing N N 67  
DC  C4    C5     sing N N 68  
DC  N4    H41    sing N N 69  
DC  N4    H42    sing N N 70  
DC  C5    C6     doub N N 71  
DC  C5    H5     sing N N 72  
DC  C6    H6     sing N N 73  
DG  OP3   P      sing N N 74  
DG  OP3   HOP3   sing N N 75  
DG  P     OP1    doub N N 76  
DG  P     OP2    sing N N 77  
DG  P     "O5'"  sing N N 78  
DG  OP2   HOP2   sing N N 79  
DG  "O5'" "C5'"  sing N N 80  
DG  "C5'" "C4'"  sing N N 81  
DG  "C5'" "H5'"  sing N N 82  
DG  "C5'" "H5''" sing N N 83  
DG  "C4'" "O4'"  sing N N 84  
DG  "C4'" "C3'"  sing N N 85  
DG  "C4'" "H4'"  sing N N 86  
DG  "O4'" "C1'"  sing N N 87  
DG  "C3'" "O3'"  sing N N 88  
DG  "C3'" "C2'"  sing N N 89  
DG  "C3'" "H3'"  sing N N 90  
DG  "O3'" "HO3'" sing N N 91  
DG  "C2'" "C1'"  sing N N 92  
DG  "C2'" "H2'"  sing N N 93  
DG  "C2'" "H2''" sing N N 94  
DG  "C1'" N9     sing N N 95  
DG  "C1'" "H1'"  sing N N 96  
DG  N9    C8     sing Y N 97  
DG  N9    C4     sing Y N 98  
DG  C8    N7     doub Y N 99  
DG  C8    H8     sing N N 100 
DG  N7    C5     sing Y N 101 
DG  C5    C6     sing N N 102 
DG  C5    C4     doub Y N 103 
DG  C6    O6     doub N N 104 
DG  C6    N1     sing N N 105 
DG  N1    C2     sing N N 106 
DG  N1    H1     sing N N 107 
DG  C2    N2     sing N N 108 
DG  C2    N3     doub N N 109 
DG  N2    H21    sing N N 110 
DG  N2    H22    sing N N 111 
DG  N3    C4     sing N N 112 
DT  OP3   P      sing N N 113 
DT  OP3   HOP3   sing N N 114 
DT  P     OP1    doub N N 115 
DT  P     OP2    sing N N 116 
DT  P     "O5'"  sing N N 117 
DT  OP2   HOP2   sing N N 118 
DT  "O5'" "C5'"  sing N N 119 
DT  "C5'" "C4'"  sing N N 120 
DT  "C5'" "H5'"  sing N N 121 
DT  "C5'" "H5''" sing N N 122 
DT  "C4'" "O4'"  sing N N 123 
DT  "C4'" "C3'"  sing N N 124 
DT  "C4'" "H4'"  sing N N 125 
DT  "O4'" "C1'"  sing N N 126 
DT  "C3'" "O3'"  sing N N 127 
DT  "C3'" "C2'"  sing N N 128 
DT  "C3'" "H3'"  sing N N 129 
DT  "O3'" "HO3'" sing N N 130 
DT  "C2'" "C1'"  sing N N 131 
DT  "C2'" "H2'"  sing N N 132 
DT  "C2'" "H2''" sing N N 133 
DT  "C1'" N1     sing N N 134 
DT  "C1'" "H1'"  sing N N 135 
DT  N1    C2     sing N N 136 
DT  N1    C6     sing N N 137 
DT  C2    O2     doub N N 138 
DT  C2    N3     sing N N 139 
DT  N3    C4     sing N N 140 
DT  N3    H3     sing N N 141 
DT  C4    O4     doub N N 142 
DT  C4    C5     sing N N 143 
DT  C5    C7     sing N N 144 
DT  C5    C6     doub N N 145 
DT  C7    H71    sing N N 146 
DT  C7    H72    sing N N 147 
DT  C7    H73    sing N N 148 
DT  C6    H6     sing N N 149 
HOH O     H1     sing N N 150 
HOH O     H2     sing N N 151 
U31 P     O1P    sing N N 152 
U31 P     O2P    doub N N 153 
U31 P     O3P    sing N N 154 
U31 P     "O5'"  sing N N 155 
U31 O1P   H1P    sing N N 156 
U31 O3P   H3P    sing N N 157 
U31 "O5'" "C5'"  sing N N 158 
U31 "C5'" "C4'"  sing N N 159 
U31 "C5'" "H5'1" sing N N 160 
U31 "C5'" "H5'2" sing N N 161 
U31 "C4'" "O4'"  sing N N 162 
U31 "C4'" "C3'"  sing N N 163 
U31 "C4'" "H4'"  sing N N 164 
U31 "O4'" "C1'"  sing N N 165 
U31 "C3'" "O3'"  sing N N 166 
U31 "C3'" "C2'"  sing N N 167 
U31 "C3'" "H3'"  sing N N 168 
U31 "O3'" HA     sing N N 169 
U31 "C2'" "O2'"  sing N N 170 
U31 "C2'" "C1'"  sing N N 171 
U31 "C2'" "H2'"  sing N N 172 
U31 "O2'" "CA'"  sing N N 173 
U31 "C1'" N1     sing N N 174 
U31 "C1'" "H1'"  sing N N 175 
U31 N1    C2     sing N N 176 
U31 N1    C6     sing N N 177 
U31 C2    O2     doub N N 178 
U31 C2    N3     sing N N 179 
U31 N3    C4     sing N N 180 
U31 N3    H3     sing N N 181 
U31 C4    O4     doub N N 182 
U31 C4    C5     sing N N 183 
U31 C5    C6     doub N N 184 
U31 C5    H5     sing N N 185 
U31 C6    H6     sing N N 186 
U31 "CA'" "CB'"  sing N N 187 
U31 "CA'" "HA'1" sing N N 188 
U31 "CA'" "HA'2" sing N N 189 
U31 "CB'" CC     sing N N 190 
U31 "CB'" "HB'1" sing N N 191 
U31 "CB'" "HB'2" sing N N 192 
U31 CC    "ND'"  sing N N 193 
U31 CC    HCC1   sing N N 194 
U31 CC    HCC2   sing N N 195 
U31 "ND'" "HD'1" sing N N 196 
U31 "ND'" "HD'2" sing N N 197 
# 
_ndb_struct_conf_na.entry_id   1D9H 
_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 DG  1  1_555 B DC  10 1_555 -0.124 -0.194 0.214  4.541  -3.235  -2.047 1  A_DG1:DC20_B  A 1  ? B 20 ? 19 1 
1 A DC  2  1_555 B DG  9  1_555 0.151  -0.153 0.002  7.522  -15.057 1.562  2  A_DC2:DG19_B  A 2  ? B 19 ? 19 1 
1 A DG  3  1_555 B DC  8  1_555 -0.348 -0.182 0.132  -6.899 -15.327 1.062  3  A_DG3:DC18_B  A 3  ? B 18 ? 19 1 
1 A DT  4  1_555 B DA  7  1_555 -0.134 -0.131 -0.043 -3.221 -18.412 0.857  4  A_DT4:DA17_B  A 4  ? B 17 ? 20 1 
1 A DA  5  1_555 B U31 6  1_555 0.204  -0.100 0.215  2.168  -14.224 -4.550 5  A_DA5:U3116_B A 5  ? B 16 ? 20 1 
1 A U31 6  1_555 B DA  5  1_555 0.053  -0.053 0.339  3.017  -13.930 4.924  6  A_U316:DA15_B A 6  ? B 15 ? 20 1 
1 A DA  7  1_555 B DT  4  1_555 0.081  -0.204 0.032  1.854  -9.970  0.566  7  A_DA7:DT14_B  A 7  ? B 14 ? 20 1 
1 A DC  8  1_555 B DG  3  1_555 0.197  -0.192 -0.256 8.475  -12.857 1.441  8  A_DC8:DG13_B  A 8  ? B 13 ? 19 1 
1 A DG  9  1_555 B DC  2  1_555 -0.242 -0.121 0.135  -1.851 -8.354  1.738  9  A_DG9:DC12_B  A 9  ? B 12 ? 19 1 
1 A DC  10 1_555 B DG  1  1_555 0.475  -0.218 -0.063 0.653  2.322   -1.433 10 A_DC10:DG11_B A 10 ? B 11 ? 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 DG  1 1_555 B DC  10 1_555 A DC  2  1_555 B DG  9 1_555 0.197  -1.720 3.198 1.346  1.229  37.659 -2.816 -0.136 3.147 1.902  
-2.083 37.701 1 AA_DG1DC2:DG19DC20_BB   A 1 ? B 20 ? A 2  ? B 19 ? 
1 A DC  2 1_555 B DG  9  1_555 A DG  3  1_555 B DC  8 1_555 0.031  -2.046 3.446 -1.031 9.781  27.215 -6.158 -0.278 2.568 19.977 
2.106  28.906 2 AA_DC2DG3:DC18DG19_BB   A 2 ? B 19 ? A 3  ? B 18 ? 
1 A DG  3 1_555 B DC  8  1_555 A DT  4  1_555 B DA  7 1_555 -0.985 -1.370 3.065 -0.711 4.704  36.990 -2.712 1.455  2.893 7.376  
1.115  37.285 3 AA_DG3DT4:DA17DC18_BB   A 3 ? B 18 ? A 4  ? B 17 ? 
1 A DT  4 1_555 B DA  7  1_555 A DA  5  1_555 B U31 6 1_555 0.604  -1.486 3.043 1.223  20.459 27.705 -5.064 -0.871 1.621 36.990 
-2.210 34.342 4 AA_DT4DA5:U3116DA17_BB  A 4 ? B 17 ? A 5  ? B 16 ? 
1 A DA  5 1_555 B U31 6  1_555 A U31 6  1_555 B DA  5 1_555 0.842  -1.175 3.187 0.339  7.200  32.241 -3.214 -1.427 2.873 12.767 
-0.600 33.016 5 AA_DA5U316:DA15U3116_BB A 5 ? B 16 ? A 6  ? B 15 ? 
1 A U31 6 1_555 B DA  5  1_555 A DA  7  1_555 B DT  4 1_555 -0.195 -1.478 3.076 1.184  12.908 31.492 -4.295 0.496  2.302 22.620 
-2.075 33.993 6 AA_U316DA7:DT14DA15_BB  A 6 ? B 15 ? A 7  ? B 14 ? 
1 A DA  7 1_555 B DT  4  1_555 A DC  8  1_555 B DG  3 1_555 0.412  -1.827 3.196 3.654  2.387  31.056 -3.813 -0.099 3.077 4.430  
-6.783 31.354 7 AA_DA7DC8:DG13DT14_BB   A 7 ? B 14 ? A 8  ? B 13 ? 
1 A DC  8 1_555 B DG  3  1_555 A DG  9  1_555 B DC  2 1_555 -0.237 -1.976 3.502 -2.277 10.917 27.083 -6.187 -0.005 2.542 22.156 
4.621  29.249 8 AA_DC8DG9:DC12DG13_BB   A 8 ? B 13 ? A 9  ? B 12 ? 
1 A DG  9 1_555 B DC  2  1_555 A DC  10 1_555 B DG  1 1_555 0.107  -1.532 3.286 3.564  1.770  36.190 -2.697 0.322  3.206 2.838  
-5.715 36.401 9 AA_DG9DC10:DG11DC12_BB  A 9 ? B 12 ? A 10 ? B 11 ? 
# 
_atom_sites.entry_id                    1D9H 
_atom_sites.fract_transf_matrix[1][1]   0.039730 
_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]   0.023381 
_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]   0.022134 
_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 
O 
P 
# 
loop_