data_1O55
# 
_entry.id   1O55 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.383 
_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   1O55         pdb_00001o55 10.2210/pdb1o55/pdb 
NDB   UD0038       ?            ?                   
RCSB  rcsb001815   ?            ?                   
WWPDB D_1000001815 ?            ?                   
# 
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 2003-08-26 
2 'Structure model' 1 1 2008-04-26 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2017-10-04 
5 'Structure model' 1 4 2023-12-27 
# 
_pdbx_audit_revision_details.ordinal             1 
_pdbx_audit_revision_details.revision_ordinal    1 
_pdbx_audit_revision_details.data_content_type   'Structure model' 
_pdbx_audit_revision_details.provider            repository 
_pdbx_audit_revision_details.type                'Initial release' 
_pdbx_audit_revision_details.description         ? 
_pdbx_audit_revision_details.details             ? 
# 
loop_
_pdbx_audit_revision_group.ordinal 
_pdbx_audit_revision_group.revision_ordinal 
_pdbx_audit_revision_group.data_content_type 
_pdbx_audit_revision_group.group 
1 2 'Structure model' 'Version format compliance' 
2 3 'Structure model' 'Version format compliance' 
3 4 'Structure model' 'Refinement description'    
4 5 'Structure model' 'Data collection'           
5 5 'Structure model' 'Database references'       
6 5 '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' software               
2 5 'Structure model' chem_comp_atom         
3 5 'Structure model' chem_comp_bond         
4 5 'Structure model' database_2             
5 5 'Structure model' pdbx_struct_conn_angle 
6 5 'Structure model' struct_conn            
7 5 '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' '_software.name'                              
2  5 'Structure model' '_database_2.pdbx_DOI'                        
3  5 'Structure model' '_database_2.pdbx_database_accession'         
4  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_auth_asym_id'  
5  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_auth_seq_id'   
6  5 'Structure model' '_pdbx_struct_conn_angle.ptnr1_label_asym_id' 
7  5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_asym_id'  
8  5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_seq_id'   
9  5 'Structure model' '_pdbx_struct_conn_angle.ptnr3_label_asym_id' 
10 5 'Structure model' '_pdbx_struct_conn_angle.value'               
11 5 'Structure model' '_struct_conn.pdbx_dist_value'                
12 5 'Structure model' '_struct_conn.ptnr1_auth_asym_id'             
13 5 'Structure model' '_struct_conn.ptnr1_auth_comp_id'             
14 5 'Structure model' '_struct_conn.ptnr1_auth_seq_id'              
15 5 'Structure model' '_struct_conn.ptnr1_label_asym_id'            
16 5 'Structure model' '_struct_conn.ptnr1_label_atom_id'            
17 5 'Structure model' '_struct_conn.ptnr1_label_comp_id'            
18 5 'Structure model' '_struct_conn.ptnr2_auth_asym_id'             
19 5 'Structure model' '_struct_conn.ptnr2_auth_comp_id'             
20 5 'Structure model' '_struct_conn.ptnr2_auth_seq_id'              
21 5 'Structure model' '_struct_conn.ptnr2_label_asym_id'            
22 5 'Structure model' '_struct_conn.ptnr2_label_atom_id'            
23 5 'Structure model' '_struct_conn.ptnr2_label_comp_id'            
24 5 'Structure model' '_struct_site.pdbx_auth_asym_id'              
25 5 'Structure model' '_struct_site.pdbx_auth_comp_id'              
26 5 'Structure model' '_struct_site.pdbx_auth_seq_id'               
# 
_pdbx_database_PDB_obs_spr.id               SPRSDE 
_pdbx_database_PDB_obs_spr.pdb_id           1O55 
_pdbx_database_PDB_obs_spr.replace_pdb_id   415d 
_pdbx_database_PDB_obs_spr.date             2003-08-26 
_pdbx_database_PDB_obs_spr.details          ? 
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1O55 
_pdbx_database_status.recvd_initial_deposition_date   2003-08-20 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_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.methods_development_category    ? 
_pdbx_database_status.status_code_nmr_data            ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Gao, Y.G.'           1 
'Robinson, H.'        2 
'Guan, Y.'            3 
'Liaw, Y.C.'          4 
'van Boom, J.H.'      5 
'van der Marel, G.A.' 6 
'Wang, A.H.'          7 
# 
_citation.id                        primary 
_citation.title                     'Molecular structure of two crystal forms of cyclic triadenylic acid at 1A resolution.' 
_citation.journal_abbrev            J.Biomol.Struct.Dyn. 
_citation.journal_volume            16 
_citation.page_first                69 
_citation.page_last                 76 
_citation.year                      1998 
_citation.journal_id_ASTM           JBSDD6 
_citation.country                   US 
_citation.journal_id_ISSN           0739-1102 
_citation.journal_id_CSD            0646 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   9745896 
_citation.pdbx_database_id_DOI      ? 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Gao, Y.G.'           1 ? 
primary 'Robinson, H.'        2 ? 
primary 'Guan, Y.'            3 ? 
primary 'Liaw, Y.C.'          4 ? 
primary 'van Boom, J.H.'      5 ? 
primary 'van der Marel, G.A.' 6 ? 
primary 'Wang, A.H.'          7 ? 
# 
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'-CD(*AP*AP*AP)-3')
;
894.663 2  ? ? ? ? 
2 non-polymer syn 'COBALT (II) ION'           58.933  1  ? ? ? ? 
3 water       nat water                       18.015  23 ? ? ? ? 
# 
_entity_keywords.entity_id   1 
_entity_keywords.text        'CYCLIC TRINUCLEOTIDE' 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polydeoxyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   no 
_entity_poly.pdbx_seq_one_letter_code       '(DA)(DA)(DA)' 
_entity_poly.pdbx_seq_one_letter_code_can   AAA 
_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 'COBALT (II) ION' CO  
3 water             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 DA n 
1 3 DA n 
# 
_pdbx_entity_src_syn.entity_id              1 
_pdbx_entity_src_syn.pdbx_src_id            1 
_pdbx_entity_src_syn.pdbx_alt_source_flag   sample 
_pdbx_entity_src_syn.pdbx_beg_seq_num       ? 
_pdbx_entity_src_syn.pdbx_end_seq_num       ? 
_pdbx_entity_src_syn.organism_scientific    ? 
_pdbx_entity_src_syn.organism_common_name   ? 
_pdbx_entity_src_syn.ncbi_taxonomy_id       ? 
_pdbx_entity_src_syn.details                Synthetic 
# 
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 
CO  non-polymer   . 'COBALT (II) ION'                    ? 'Co 2'            58.933  
DA  'DNA linking' y "2'-DEOXYADENOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O6 P' 331.222 
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 2 2 DA A A . n 
A 1 2 DA 2 3 ? ?  ? A . n 
A 1 3 DA 3 4 ? ?  ? A . n 
B 1 1 DA 1 5 5 DA A B . n 
B 1 2 DA 2 6 ? ?  ? B . n 
B 1 3 DA 3 7 ? ?  ? 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 CO  1  8   7   CO  OCO B . 
D 3 HOH 1  103 103 HOH HOH A . 
D 3 HOH 2  104 104 HOH HOH A . 
D 3 HOH 3  108 108 HOH HOH A . 
D 3 HOH 4  109 109 HOH HOH A . 
D 3 HOH 5  112 112 HOH HOH A . 
D 3 HOH 6  113 113 HOH HOH A . 
D 3 HOH 7  114 114 HOH HOH A . 
D 3 HOH 8  117 117 HOH HOH A . 
D 3 HOH 9  121 7   HOH OCO A . 
D 3 HOH 10 122 7   HOH OCO A . 
E 3 HOH 1  101 101 HOH HOH B . 
E 3 HOH 2  102 102 HOH HOH B . 
E 3 HOH 3  105 105 HOH HOH B . 
E 3 HOH 4  106 106 HOH HOH B . 
E 3 HOH 5  107 107 HOH HOH B . 
E 3 HOH 6  110 110 HOH HOH B . 
E 3 HOH 7  111 111 HOH HOH B . 
E 3 HOH 8  115 115 HOH HOH B . 
E 3 HOH 9  116 116 HOH HOH B . 
E 3 HOH 10 118 7   HOH OCO B . 
E 3 HOH 11 119 7   HOH OCO B . 
E 3 HOH 12 120 7   HOH OCO B . 
E 3 HOH 13 123 7   HOH OCO B . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
bioteX    'data collection' . ? 1 
bioteX    'data reduction'  . ? 2 
SHELXS    phasing           . ? 3 
SHELXL-97 refinement        . ? 4 
bioteX    'data scaling'    . ? 5 
# 
_cell.entry_id           1O55 
_cell.length_a           22.637 
_cell.length_b           22.637 
_cell.length_c           44.581 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        120.00 
_cell.Z_PDB              36 
_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                         1O55 
_symmetry.space_group_name_H-M             'H 3 2' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     hexagonal 
_symmetry.Int_Tables_number                155 
_symmetry.space_group_name_Hall            ? 
# 
_exptl.entry_id          1O55 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      1.67 
_exptl_crystal.density_percent_sol   26.0000 
_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            298.00 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              4.50 
_exptl_crystal_grow.pdbx_details    'pH 4.50, VAPOR DIFFUSION, HANGING DROP, temperature 298.00K' 
_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 COCL3   ? ? ? 
1 2 1 GLYCINE ? ? ? 
1 3 1 MPD     ? ? ? 
1 4 2 MPD     ? ? ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           123.00 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               'IMAGE PLATE' 
_diffrn_detector.type                   RIGAKU 
_diffrn_detector.pdbx_collection_date   1997-12-29 
_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   . 
_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             ? 
_diffrn_source.pdbx_wavelength_list        ? 
# 
_reflns.entry_id                     1O55 
_reflns.observed_criterion_sigma_I   0.000 
_reflns.observed_criterion_sigma_F   0.000 
_reflns.d_resolution_low             10.000 
_reflns.d_resolution_high            1.040 
_reflns.number_obs                   2198 
_reflns.number_all                   2198 
_reflns.percent_possible_obs         95.400 
_reflns.pdbx_Rmerge_I_obs            0.044 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        ? 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              3.500 
_reflns.R_free_details               ? 
_reflns.pdbx_chi_squared             ? 
_reflns.pdbx_scaling_rejects         ? 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_refine.entry_id                                 1O55 
_refine.ls_number_reflns_obs                     2198 
_refine.ls_number_reflns_all                     2198 
_refine.pdbx_ls_sigma_I                          0.00 
_refine.pdbx_ls_sigma_F                          0.00 
_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                            1.040 
_refine.ls_percent_reflns_obs                    97.200 
_refine.ls_R_factor_obs                          0.138 
_refine.ls_R_factor_all                          0.144 
_refine.ls_R_factor_R_work                       ? 
_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.ls_redundancy_reflns_obs                 ? 
_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.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_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_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.pdbx_overall_phase_error                 ? 
_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   42 
_refine_hist.pdbx_number_atoms_ligand         7 
_refine_hist.number_atoms_solvent             17 
_refine_hist.number_atoms_total               66 
_refine_hist.d_res_high                       1.040 
_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 
s_bond_d               0.016 ? ? ? 'X-RAY DIFFRACTION' ? 
s_angle_d              0.031 ? ? ? 'X-RAY DIFFRACTION' ? 
s_similar_dist         ?     ? ? ? 'X-RAY DIFFRACTION' ? 
s_from_restr_planes    ?     ? ? ? 'X-RAY DIFFRACTION' ? 
s_zero_chiral_vol      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
s_non_zero_chiral_vol  ?     ? ? ? 'X-RAY DIFFRACTION' ? 
s_anti_bump_dis_restr  ?     ? ? ? 'X-RAY DIFFRACTION' ? 
s_rigid_bond_adp_cmpnt ?     ? ? ? 'X-RAY DIFFRACTION' ? 
s_similar_adp_cmpnt    ?     ? ? ? 'X-RAY DIFFRACTION' ? 
s_approx_iso_adps      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_pdbx_refine.entry_id                                    1O55 
_pdbx_refine.R_factor_all_no_cutoff                      ? 
_pdbx_refine.R_factor_obs_no_cutoff                      ? 
_pdbx_refine.free_R_factor_no_cutoff                     ? 
_pdbx_refine.free_R_val_test_set_size_perc_no_cutoff     ? 
_pdbx_refine.free_R_val_test_set_ct_no_cutoff            ? 
_pdbx_refine.R_factor_all_4sig_cutoff                    0.138 
_pdbx_refine.R_factor_obs_4sig_cutoff                    ? 
_pdbx_refine.free_R_factor_4sig_cutoff                   ? 
_pdbx_refine.free_R_val_test_set_size_perc_4sig_cutoff   ? 
_pdbx_refine.free_R_val_test_set_ct_4sig_cutoff          ? 
_pdbx_refine.number_reflns_obs_4sig_cutoff               ? 
_pdbx_refine.number_reflns_obs_no_cutoff                 ? 
_pdbx_refine.pdbx_refine_id                              'X-RAY DIFFRACTION' 
_pdbx_refine.free_R_error_no_cutoff                      ? 
# 
_database_PDB_matrix.entry_id          1O55 
_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                  1O55 
_struct.title                     'MOLECULAR STRUCTURE OF TWO CRYSTAL FORMS OF CYCLIC TRIADENYLIC ACID AT 1 ANGSTROM RESOLUTION' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1O55 
_struct_keywords.pdbx_keywords   DNA 
_struct_keywords.text            'CYCLIC TRINUCLEOTIDE, DNA' 
# 
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 3 ? 
E N N 3 ? 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1O55 
_struct_ref.pdbx_db_accession          1O55 
_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 1O55 A 1 ? 3 ? 1O55 2 ? 4 ? 2 4 
2 1 1O55 B 1 ? 3 ? 1O55 5 ? 7 ? 5 7 
# 
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_defined_assembly ? trimeric 3 
2 author_defined_assembly ? trimeric 3 
# 
loop_
_pdbx_struct_assembly_gen.assembly_id 
_pdbx_struct_assembly_gen.oper_expression 
_pdbx_struct_assembly_gen.asym_id_list 
1 1,2,3 A,D   
2 1,4,5 B,C,E 
# 
loop_
_pdbx_struct_oper_list.id 
_pdbx_struct_oper_list.type 
_pdbx_struct_oper_list.name 
_pdbx_struct_oper_list.symmetry_operation 
_pdbx_struct_oper_list.matrix[1][1] 
_pdbx_struct_oper_list.matrix[1][2] 
_pdbx_struct_oper_list.matrix[1][3] 
_pdbx_struct_oper_list.vector[1] 
_pdbx_struct_oper_list.matrix[2][1] 
_pdbx_struct_oper_list.matrix[2][2] 
_pdbx_struct_oper_list.matrix[2][3] 
_pdbx_struct_oper_list.vector[2] 
_pdbx_struct_oper_list.matrix[3][1] 
_pdbx_struct_oper_list.matrix[3][2] 
_pdbx_struct_oper_list.matrix[3][3] 
_pdbx_struct_oper_list.vector[3] 
1 'identity operation'         1_555 x,y,z        1.0000000000  0.0000000000  0.0000000000 0.0000000000   0.0000000000  
1.0000000000  0.0000000000 0.0000000000  0.0000000000 0.0000000000 1.0000000000 0.0000000000 
2 'crystal symmetry operation' 3_565 -x+y,-x+1,z  -0.5000000000 0.8660254038  0.0000000000 -11.3185000000 -0.8660254038 
-0.5000000000 0.0000000000 19.6042170655 0.0000000000 0.0000000000 1.0000000000 0.0000000000 
3 'crystal symmetry operation' 2_665 -y+1,x-y+1,z -0.5000000000 -0.8660254038 0.0000000000 11.3185000000  0.8660254038  
-0.5000000000 0.0000000000 19.6042170655 0.0000000000 0.0000000000 1.0000000000 0.0000000000 
4 'crystal symmetry operation' 2_555 -y,x-y,z     -0.5000000000 -0.8660254038 0.0000000000 0.0000000000   0.8660254038  
-0.5000000000 0.0000000000 0.0000000000  0.0000000000 0.0000000000 1.0000000000 0.0000000000 
5 'crystal symmetry operation' 3_555 -x+y,-x,z    -0.5000000000 0.8660254038  0.0000000000 0.0000000000   -0.8660254038 
-0.5000000000 0.0000000000 0.0000000000  0.0000000000 0.0000000000 1.0000000000 0.0000000000 
# 
loop_
_struct_biol.id 
_struct_biol.pdbx_parent_biol_id 
_struct_biol.details 
1 ? ? 
2 ? ? 
# 
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 ? ? D HOH . O  ? ? ? 1_555 C CO  . CO ? ? A HOH 121 B CO  8   1_555 ? ? ? ? ? ? ? 2.101 ? ? 
metalc2 metalc ? ? D HOH . O  ? ? ? 1_555 C CO  . CO ? ? A HOH 122 B CO  8   1_555 ? ? ? ? ? ? ? 2.070 ? ? 
metalc3 metalc ? ? C CO  . CO ? ? ? 1_555 E HOH . O  ? ? B CO  8   B HOH 118 1_555 ? ? ? ? ? ? ? 1.989 ? ? 
metalc4 metalc ? ? C CO  . CO ? ? ? 1_555 E HOH . O  ? ? B CO  8   B HOH 119 1_555 ? ? ? ? ? ? ? 2.133 ? ? 
metalc5 metalc ? ? C CO  . CO ? ? ? 1_555 E HOH . O  ? ? B CO  8   B HOH 120 1_555 ? ? ? ? ? ? ? 2.074 ? ? 
metalc6 metalc ? ? C CO  . CO ? ? ? 1_555 E HOH . O  ? ? B CO  8   B HOH 123 1_555 ? ? ? ? ? ? ? 2.068 ? ? 
# 
_struct_conn_type.id          metalc 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
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  O ? D HOH . ? A HOH 121 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? D HOH . ? A HOH 122 ? 1_555 88.7  ? 
2  O ? D HOH . ? A HOH 121 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 118 ? 1_555 87.2  ? 
3  O ? D HOH . ? A HOH 122 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 118 ? 1_555 94.8  ? 
4  O ? D HOH . ? A HOH 121 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 119 ? 1_555 90.9  ? 
5  O ? D HOH . ? A HOH 122 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 119 ? 1_555 89.3  ? 
6  O ? E HOH . ? B HOH 118 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 119 ? 1_555 175.4 ? 
7  O ? D HOH . ? A HOH 121 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 120 ? 1_555 94.8  ? 
8  O ? D HOH . ? A HOH 122 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 120 ? 1_555 175.3 ? 
9  O ? E HOH . ? B HOH 118 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 120 ? 1_555 88.6  ? 
10 O ? E HOH . ? B HOH 119 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 120 ? 1_555 87.5  ? 
11 O ? D HOH . ? A HOH 121 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 123 ? 1_555 173.2 ? 
12 O ? D HOH . ? A HOH 122 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 123 ? 1_555 84.8  ? 
13 O ? E HOH . ? B HOH 118 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 123 ? 1_555 91.6  ? 
14 O ? E HOH . ? B HOH 119 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 123 ? 1_555 90.7  ? 
15 O ? E HOH . ? B HOH 120 ? 1_555 CO ? C CO . ? B CO 8 ? 1_555 O ? E HOH . ? B HOH 123 ? 1_555 91.8  ? 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    B 
_struct_site.pdbx_auth_comp_id    CO 
_struct_site.pdbx_auth_seq_id     8 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    6 
_struct_site.details              'BINDING SITE FOR RESIDUE CO B 8' 
# 
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 HOH D . ? HOH A 121 . ? 1_555 ? 
2 AC1 6 HOH D . ? HOH A 122 . ? 1_555 ? 
3 AC1 6 HOH E . ? HOH B 118 . ? 1_555 ? 
4 AC1 6 HOH E . ? HOH B 119 . ? 1_555 ? 
5 AC1 6 HOH E . ? HOH B 120 . ? 1_555 ? 
6 AC1 6 HOH E . ? HOH B 123 . ? 1_555 ? 
# 
loop_
_pdbx_validate_symm_contact.id 
_pdbx_validate_symm_contact.PDB_model_num 
_pdbx_validate_symm_contact.auth_atom_id_1 
_pdbx_validate_symm_contact.auth_asym_id_1 
_pdbx_validate_symm_contact.auth_comp_id_1 
_pdbx_validate_symm_contact.auth_seq_id_1 
_pdbx_validate_symm_contact.PDB_ins_code_1 
_pdbx_validate_symm_contact.label_alt_id_1 
_pdbx_validate_symm_contact.site_symmetry_1 
_pdbx_validate_symm_contact.auth_atom_id_2 
_pdbx_validate_symm_contact.auth_asym_id_2 
_pdbx_validate_symm_contact.auth_comp_id_2 
_pdbx_validate_symm_contact.auth_seq_id_2 
_pdbx_validate_symm_contact.PDB_ins_code_2 
_pdbx_validate_symm_contact.label_alt_id_2 
_pdbx_validate_symm_contact.site_symmetry_2 
_pdbx_validate_symm_contact.dist 
1 1 P A DA 2 ? ? 1_555 "O3'" A DA 2 ? ? 3_565 1.61 
2 1 P B DA 5 ? ? 1_555 "O3'" B DA 5 ? ? 3_555 1.62 
# 
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 N7 A DA 2 ? ? C8 A DA 2 ? ? N9 A DA 2 ? ? 110.41 113.80 -3.39 0.50 N 
2 1 C8 A DA 2 ? ? N9 A DA 2 ? ? C4 A DA 2 ? ? 109.25 105.80 3.45  0.40 N 
3 1 N9 A DA 2 ? ? C4 A DA 2 ? ? C5 A DA 2 ? ? 103.31 105.80 -2.49 0.40 N 
# 
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 A HOH 103 ? D HOH . 
2 1 A HOH 117 ? D HOH . 
3 1 B HOH 101 ? E HOH . 
4 1 B HOH 105 ? E HOH . 
5 1 B HOH 106 ? E HOH . 
6 1 B HOH 107 ? E HOH . 
7 1 B HOH 111 ? E HOH . 
# 
_pdbx_database_remark.id     999 
_pdbx_database_remark.text   
;SEQUENCE
The crystallized entity is 5'-CD(*AP*AP*AP)-3', however, 
each of the two independent molecules sits on the 
crystallographic 3-fold axis. Remark 350 provides the way 
to create cyclic D(*Ap*Ap*Ap) molecule.
;
# 
loop_
_pdbx_unobs_or_zero_occ_residues.id 
_pdbx_unobs_or_zero_occ_residues.PDB_model_num 
_pdbx_unobs_or_zero_occ_residues.polymer_flag 
_pdbx_unobs_or_zero_occ_residues.occupancy_flag 
_pdbx_unobs_or_zero_occ_residues.auth_asym_id 
_pdbx_unobs_or_zero_occ_residues.auth_comp_id 
_pdbx_unobs_or_zero_occ_residues.auth_seq_id 
_pdbx_unobs_or_zero_occ_residues.PDB_ins_code 
_pdbx_unobs_or_zero_occ_residues.label_asym_id 
_pdbx_unobs_or_zero_occ_residues.label_comp_id 
_pdbx_unobs_or_zero_occ_residues.label_seq_id 
1 1 Y 1 A DA 3 ? A DA 2 
2 1 Y 1 A DA 4 ? A DA 3 
3 1 Y 1 B DA 6 ? B DA 2 
4 1 Y 1 B DA 7 ? B DA 3 
# 
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 
CO  CO     CO N N 1  
DA  OP3    O  N N 2  
DA  P      P  N N 3  
DA  OP1    O  N N 4  
DA  OP2    O  N N 5  
DA  "O5'"  O  N N 6  
DA  "C5'"  C  N N 7  
DA  "C4'"  C  N R 8  
DA  "O4'"  O  N N 9  
DA  "C3'"  C  N S 10 
DA  "O3'"  O  N N 11 
DA  "C2'"  C  N N 12 
DA  "C1'"  C  N R 13 
DA  N9     N  Y N 14 
DA  C8     C  Y N 15 
DA  N7     N  Y N 16 
DA  C5     C  Y N 17 
DA  C6     C  Y N 18 
DA  N6     N  N N 19 
DA  N1     N  Y N 20 
DA  C2     C  Y N 21 
DA  N3     N  Y N 22 
DA  C4     C  Y N 23 
DA  HOP3   H  N N 24 
DA  HOP2   H  N N 25 
DA  "H5'"  H  N N 26 
DA  "H5''" H  N N 27 
DA  "H4'"  H  N N 28 
DA  "H3'"  H  N N 29 
DA  "HO3'" H  N N 30 
DA  "H2'"  H  N N 31 
DA  "H2''" H  N N 32 
DA  "H1'"  H  N N 33 
DA  H8     H  N N 34 
DA  H61    H  N N 35 
DA  H62    H  N N 36 
DA  H2     H  N N 37 
HOH O      O  N N 38 
HOH H1     H  N N 39 
HOH H2     H  N N 40 
# 
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 
HOH O     H1     sing N N 39 
HOH O     H2     sing N N 40 
# 
_atom_sites.entry_id                    1O55 
_atom_sites.fract_transf_matrix[1][1]   0.044175 
_atom_sites.fract_transf_matrix[1][2]   0.025505 
_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]   0.051009 
_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]   0.022431 
_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  
CO 
N  
O  
P  
# 
loop_