data_1FIR
# 
_entry.id   1FIR 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.375 
_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   1FIR         pdb_00001fir 10.2210/pdb1fir/pdb 
NDB   TR0003       ?            ?                   
RCSB  RCSB011622   ?            ?                   
WWPDB D_1000011622 ?            ?                   
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1FIR 
_pdbx_database_status.recvd_initial_deposition_date   2000-08-06 
_pdbx_database_status.deposit_site                    NDB 
_pdbx_database_status.process_site                    NDB 
_pdbx_database_status.SG_entry                        ? 
_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.pdb_format_compatible           Y 
_pdbx_database_status.status_code_nmr_data            ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Benas, P.' 1 
'Dumas, P.' 2 
# 
loop_
_citation.id 
_citation.title 
_citation.journal_abbrev 
_citation.journal_volume 
_citation.page_first 
_citation.page_last 
_citation.year 
_citation.journal_id_ASTM 
_citation.country 
_citation.journal_id_ISSN 
_citation.journal_id_CSD 
_citation.book_publisher 
_citation.pdbx_database_id_PubMed 
_citation.pdbx_database_id_DOI 
primary 'The crystal structure of HIV reverse-transcription primer tRNA(Lys,3) shows a canonical anticodon loop.'                  
RNA               6 1347 1355 2000 RNARFU UK 1355-8382 2122 ? 11073212 10.1017/S1355838200000911 
1       'Molecular blocs in tRNAs that could prevent +1 frameshifting'                                                             
'To be Published' ? ?    ?    2000 ?      ?  ?         0353 ? ?        ?                         
2       'Studies on the ternary initiation complex of HIV-1 reverse transcription and crystallographic structures of two partners' 
Thesis            ? 1    313  2000 ?      ?  ?         ?    ? ?        ?                         
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Benas, P.'     1  ? 
primary 'Bec, G.'       2  ? 
primary 'Keith, G.'     3  ? 
primary 'Marquet, R.'   4  ? 
primary 'Ehresmann, C.' 5  ? 
primary 'Ehresmann, B.' 6  ? 
primary 'Dumas, P.'     7  ? 
1       'Benas, P.'     8  ? 
1       'Dumas, P.'     9  ? 
2       'Benas, P.'     10 ? 
# 
_cell.entry_id           1FIR 
_cell.length_a           100.72 
_cell.length_b           100.72 
_cell.length_c           82.61 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        120.00 
_cell.Z_PDB              6 
_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                         1FIR 
_symmetry.space_group_name_H-M             'P 32 1 2' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     trigonal 
_symmetry.Int_Tables_number                153 
_symmetry.space_group_name_Hall            ? 
# 
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     nat 'HIV-1 REVERSE TRANSCRIPTION PRIMER TRNA(LYS3)' 24847.088 1  ? ? ? ? 
2 non-polymer syn 'MAGNESIUM ION'                                 24.305    1  ? ? ? ? 
3 non-polymer syn 'SODIUM ION'                                    22.990    1  ? ? ? ? 
4 water       nat water                                           18.015    16 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       
;GCCCG(2MG)AUA(2MG)CUCAG(H2U)CGG(H2U)AGAGCA(PSU)CAGACU(70U)UU(12A)A(PSU)CUGAGG
(7MG)(H2U)(5MC)(5MC)AGGG(2MU)(PSU)CA(1MA)GUCCCUGUUCGGGCGCCA
;
_entity_poly.pdbx_seq_one_letter_code_can   GCCCGGAUAGCUCAGUCGGUAGAGCAUCAGACUUUUAAUCUGAGGGUCCAGGGUUCAAGUCCCUGUUCGGGCGCCA 
_entity_poly.pdbx_strand_id                 A 
_entity_poly.pdbx_target_identifier         ? 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  G   n 
1 2  C   n 
1 3  C   n 
1 4  C   n 
1 5  G   n 
1 6  2MG n 
1 7  A   n 
1 8  U   n 
1 9  A   n 
1 10 2MG n 
1 11 C   n 
1 12 U   n 
1 13 C   n 
1 14 A   n 
1 15 G   n 
1 16 H2U n 
1 17 C   n 
1 18 G   n 
1 19 G   n 
1 20 H2U n 
1 21 A   n 
1 22 G   n 
1 23 A   n 
1 24 G   n 
1 25 C   n 
1 26 A   n 
1 27 PSU n 
1 28 C   n 
1 29 A   n 
1 30 G   n 
1 31 A   n 
1 32 C   n 
1 33 U   n 
1 34 70U n 
1 35 U   n 
1 36 U   n 
1 37 12A n 
1 38 A   n 
1 39 PSU n 
1 40 C   n 
1 41 U   n 
1 42 G   n 
1 43 A   n 
1 44 G   n 
1 45 G   n 
1 46 7MG n 
1 47 H2U n 
1 48 5MC n 
1 49 5MC n 
1 50 A   n 
1 51 G   n 
1 52 G   n 
1 53 G   n 
1 54 2MU n 
1 55 PSU n 
1 56 C   n 
1 57 A   n 
1 58 1MA n 
1 59 G   n 
1 60 U   n 
1 61 C   n 
1 62 C   n 
1 63 C   n 
1 64 U   n 
1 65 G   n 
1 66 U   n 
1 67 U   n 
1 68 C   n 
1 69 G   n 
1 70 G   n 
1 71 G   n 
1 72 C   n 
1 73 G   n 
1 74 C   n 
1 75 C   n 
1 76 A   n 
# 
_entity_src_nat.entity_id                  1 
_entity_src_nat.pdbx_src_id                1 
_entity_src_nat.pdbx_alt_source_flag       sample 
_entity_src_nat.pdbx_beg_seq_num           ? 
_entity_src_nat.pdbx_end_seq_num           ? 
_entity_src_nat.common_name                cattle 
_entity_src_nat.pdbx_organism_scientific   'Bos taurus' 
_entity_src_nat.pdbx_ncbi_taxonomy_id      9913 
_entity_src_nat.genus                      Bos 
_entity_src_nat.species                    ? 
_entity_src_nat.strain                     ? 
_entity_src_nat.tissue                     ? 
_entity_src_nat.tissue_fraction            ? 
_entity_src_nat.pdbx_secretion             ? 
_entity_src_nat.pdbx_fragment              ? 
_entity_src_nat.pdbx_variant               ? 
_entity_src_nat.pdbx_cell_line             ? 
_entity_src_nat.pdbx_atcc                  ? 
_entity_src_nat.pdbx_cellular_location     ? 
_entity_src_nat.pdbx_organ                 ? 
_entity_src_nat.pdbx_organelle             ? 
_entity_src_nat.pdbx_cell                  ? 
_entity_src_nat.pdbx_plasmid_name          ? 
_entity_src_nat.pdbx_plasmid_details       ? 
_entity_src_nat.details                    'THIS SEQUENCE OCCURS NATURALLY IN HUMANS, BOVINES AND CHICKENS' 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1FIR 
_struct_ref.pdbx_db_accession          1FIR 
_struct_ref.pdbx_align_begin           ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_db_isoform            ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1FIR 
_struct_ref_seq.pdbx_strand_id                A 
_struct_ref_seq.seq_align_beg                 1 
_struct_ref_seq.pdbx_seq_align_beg_ins_code   ? 
_struct_ref_seq.seq_align_end                 76 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             1FIR 
_struct_ref_seq.db_align_beg                  1 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  76 
_struct_ref_seq.pdbx_db_align_end_ins_code    ? 
_struct_ref_seq.pdbx_auth_seq_align_beg       1 
_struct_ref_seq.pdbx_auth_seq_align_end       76 
# 
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 
12A 'RNA linking' n "2-METHYLTHIO-N6-(AMINOCARBONYL-L-THREONYL)-ADENOSINE-5'-MONOPHOSPHATE" ? 'C16 H23 N6 O11 P S' 538.426 
1MA 'RNA linking' n "6-HYDRO-1-METHYLADENOSINE-5'-MONOPHOSPHATE"                            ? 'C11 H16 N5 O7 P'    361.248 
2MG 'RNA linking' n "2N-METHYLGUANOSINE-5'-MONOPHOSPHATE"                                   ? 'C11 H16 N5 O8 P'    377.247 
2MU 'RNA linking' n "2',5-DIMETHYLURIDINE-5'-MONOPHOSPHATE"                                 ? 'C11 H17 N2 O9 P'    352.234 
5MC 'RNA linking' n "5-METHYLCYTIDINE-5'-MONOPHOSPHATE"                                     ? 'C10 H16 N3 O8 P'    337.223 
70U 'RNA linking' n "5-(O-METHYLACETO)-2-THIO-2-DEOXY-URIDINE-5'-MONOPHOSPHATE"             ? 'C12 H17 N2 O10 P S' 412.310 
7MG 'RNA linking' n "7N-METHYL-8-HYDROGUANOSINE-5'-MONOPHOSPHATE"                           ? 'C11 H18 N5 O8 P'    379.263 
A   'RNA linking' y "ADENOSINE-5'-MONOPHOSPHATE"                                            ? 'C10 H14 N5 O7 P'    347.221 
C   'RNA linking' y "CYTIDINE-5'-MONOPHOSPHATE"                                             ? 'C9 H14 N3 O8 P'     323.197 
G   'RNA linking' y "GUANOSINE-5'-MONOPHOSPHATE"                                            ? 'C10 H14 N5 O8 P'    363.221 
H2U 'RNA linking' n "5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE"                                   ? 'C9 H15 N2 O9 P'     326.197 
HOH non-polymer   . WATER                                                                   ? 'H2 O'               18.015  
MG  non-polymer   . 'MAGNESIUM ION'                                                         ? 'Mg 2'               24.305  
NA  non-polymer   . 'SODIUM ION'                                                            ? 'Na 1'               22.990  
PSU 'RNA linking' n "PSEUDOURIDINE-5'-MONOPHOSPHATE"                                        ? 'C9 H13 N2 O9 P'     324.181 
U   'RNA linking' y "URIDINE-5'-MONOPHOSPHATE"                                              ? 'C9 H13 N2 O9 P'     324.181 
# 
_exptl.entry_id          1FIR 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_percent_sol   78.73 
_exptl_crystal.density_Matthews      5.12 
_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.pH              5.6 
_exptl_crystal_grow.temp            293 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pdbx_details    
'50 mM MES-KOH pH 5.6, 1.6 to 1.8 M Li2SO4, 10 mM MgCl2, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K' 
_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.conc 
_exptl_crystal_grow_comp.volume 
_exptl_crystal_grow_comp.details 
1 1 1 Li2SO4  ? ? ? 
1 2 1 MgCl2   ? ? ? 
1 3 1 MES-KOH ? ? ? 
1 4 2 Li2SO4  ? ? ? 
1 5 2 MgCl2   ? ? ? 
1 6 2 MES-KOH ? ? ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           110 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               CCD 
_diffrn_detector.type                   MARRESEARCH 
_diffrn_detector.pdbx_collection_date   1998-02-02 
_diffrn_detector.details                ? 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_scattering_type             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   0.9805 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      SYNCHROTRON 
_diffrn_source.type                        'ESRF BEAMLINE BM02' 
_diffrn_source.pdbx_wavelength             0.9805 
_diffrn_source.pdbx_synchrotron_site       ESRF 
_diffrn_source.pdbx_synchrotron_beamline   BM02 
_diffrn_source.pdbx_wavelength_list        ? 
# 
_reflns.entry_id                     1FIR 
_reflns.observed_criterion_sigma_I   0.0 
_reflns.observed_criterion_sigma_F   0.0 
_reflns.d_resolution_low             40.0 
_reflns.d_resolution_high            3.30 
_reflns.number_obs                   6482 
_reflns.number_all                   6482 
_reflns.percent_possible_obs         88.2 
_reflns.pdbx_Rmerge_I_obs            ? 
_reflns.pdbx_Rsym_value              0.0810000 
_reflns.pdbx_netI_over_sigmaI        10.5 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              3.2 
_reflns.R_free_details               ? 
_reflns.pdbx_ordinal                 1 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_chi_squared             ? 
_reflns.pdbx_scaling_rejects         ? 
# 
_reflns_shell.d_res_high             3.30 
_reflns_shell.d_res_low              3.42 
_reflns_shell.percent_possible_obs   ? 
_reflns_shell.percent_possible_all   71.6 
_reflns_shell.Rmerge_I_obs           ? 
_reflns_shell.meanI_over_sigI_obs    4.3 
_reflns_shell.pdbx_Rsym_value        0.1650000 
_reflns_shell.pdbx_redundancy        2.2 
_reflns_shell.number_unique_all      503 
_reflns_shell.pdbx_ordinal           1 
_reflns_shell.pdbx_diffrn_id         1 
_reflns_shell.number_measured_all    ? 
_reflns_shell.number_measured_obs    ? 
_reflns_shell.number_unique_obs      ? 
_reflns_shell.pdbx_chi_squared       ? 
# 
_refine.entry_id                                 1FIR 
_refine.ls_number_reflns_obs                     5890 
_refine.ls_number_reflns_all                     6481 
_refine.pdbx_ls_sigma_I                          ? 
_refine.pdbx_ls_sigma_F                          3.0 
_refine.pdbx_data_cutoff_high_absF               836049.77 
_refine.pdbx_data_cutoff_low_absF                0.00 
_refine.ls_d_res_low                             40.00 
_refine.ls_d_res_high                            3.30 
_refine.ls_percent_reflns_obs                    80.5 
_refine.ls_R_factor_obs                          0.1810000 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.1810000 
_refine.ls_R_factor_R_free                       0.2270000 
_refine.ls_R_factor_R_free_error                 0.010 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 9.2 
_refine.ls_number_reflns_R_free                  543 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.B_iso_mean                               33.2 
_refine.aniso_B[1][1]                            4.53 
_refine.aniso_B[2][2]                            4.53 
_refine.aniso_B[3][3]                            -9.07 
_refine.aniso_B[1][2]                            7.03 
_refine.aniso_B[1][3]                            0.00 
_refine.aniso_B[2][3]                            0.00 
_refine.solvent_model_details                    'FLAT MODEL' 
_refine.solvent_model_param_ksol                 0.03 
_refine.solvent_model_param_bsol                 34.19 
_refine.pdbx_ls_cross_valid_method               THROUGHOUT 
_refine.details                                  
;R and free R improved by 12% and 11% respectively by a proper 
mask definition (see primary ref.)
;
_refine.pdbx_starting_model                      4TNA 
_refine.pdbx_method_to_determine_struct          'MOLECULAR REPLACEMENT' 
_refine.pdbx_isotropic_thermal_model             RESTRAINED 
_refine.pdbx_stereochemistry_target_values       'modified CNS libraries (Parkinson et al.)' 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            RANDOM 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_B                             ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.overall_SU_ML                            ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_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_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_overall_phase_error                 ? 
_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_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_analyze.entry_id                        1FIR 
_refine_analyze.Luzzati_coordinate_error_obs    0.31 
_refine_analyze.Luzzati_sigma_a_obs             0.21 
_refine_analyze.Luzzati_d_res_low_obs           5.00 
_refine_analyze.Luzzati_coordinate_error_free   0.41 
_refine_analyze.Luzzati_sigma_a_free            0.21 
_refine_analyze.Luzzati_d_res_low_free          ? 
_refine_analyze.number_disordered_residues      ? 
_refine_analyze.occupancy_sum_hydrogen          ? 
_refine_analyze.occupancy_sum_non_hydrogen      ? 
_refine_analyze.pdbx_refine_id                  'X-RAY DIFFRACTION' 
# 
_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   1645 
_refine_hist.pdbx_number_atoms_ligand         2 
_refine_hist.number_atoms_solvent             16 
_refine_hist.number_atoms_total               1663 
_refine_hist.d_res_high                       3.30 
_refine_hist.d_res_low                        40.00 
# 
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           0.009 ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg        1.5   ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d 19.2  ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d 2.06  ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_refine_ls_shell.pdbx_total_number_of_bins_used   6 
_refine_ls_shell.d_res_high                       3.30 
_refine_ls_shell.d_res_low                        3.51 
_refine_ls_shell.number_reflns_R_work             666 
_refine_ls_shell.R_factor_R_work                  0.2210000 
_refine_ls_shell.percent_reflns_obs               58.1 
_refine_ls_shell.R_factor_R_free                  0.2340000 
_refine_ls_shell.R_factor_R_free_error            0.040 
_refine_ls_shell.percent_reflns_R_free            4.9 
_refine_ls_shell.number_reflns_R_free             34 
_refine_ls_shell.redundancy_reflns_obs            ? 
_refine_ls_shell.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_ls_shell.number_reflns_all                ? 
_refine_ls_shell.number_reflns_obs                ? 
_refine_ls_shell.R_factor_all                     ? 
# 
loop_
_pdbx_xplor_file.serial_no 
_pdbx_xplor_file.param_file 
_pdbx_xplor_file.topol_file 
_pdbx_xplor_file.pdbx_refine_id 
1 DNA-RNA-REP-RESIPARAM.BP DNA-RNA-RESITOP.BP 'X-RAY DIFFRACTION' 
2 WATER_REP.PARAM          WATER.TOP          'X-RAY DIFFRACTION' 
3 ION.PARAM                ION.TOP            'X-RAY DIFFRACTION' 
# 
_struct.entry_id                  1FIR 
_struct.title                     'CRYSTAL STRUCTURE OF HIV-1 REVERSE TRANSCRIPTION PRIMER TRNA(LYS3)' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1FIR 
_struct_keywords.pdbx_keywords   RNA 
_struct_keywords.text            
;mammalian transfert ribonucleic acid, HIV-1 primer tRNA, amino acid transport, canonical tRNA structure, canonical anticodon, frameshifting, codon/anticodon mimicry, modified bases, RNA
;
# 
loop_
_struct_asym.id 
_struct_asym.pdbx_blank_PDB_chainid_flag 
_struct_asym.pdbx_modified 
_struct_asym.entity_id 
_struct_asym.details 
A N N 1 ? 
B N N 2 ? 
C N N 3 ? 
D N N 4 ? 
# 
_struct_biol.id                    1 
_struct_biol.pdbx_parent_biol_id   ? 
_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 G   5  "O3'" ? ? ? 1_555 A 2MG 6  P  ? ? A G   5  A 2MG 6  1_555 ? ? ? ? ? ? ?                       
1.615 ? ? 
covale2  covale both ? A 2MG 6  "O3'" ? ? ? 1_555 A A   7  P  ? ? A 2MG 6  A A   7  1_555 ? ? ? ? ? ? ?                       
1.596 ? ? 
covale3  covale both ? A A   9  "O3'" ? ? ? 1_555 A 2MG 10 P  ? ? A A   9  A 2MG 10 1_555 ? ? ? ? ? ? ?                       
1.587 ? ? 
covale4  covale both ? A 2MG 10 "O3'" ? ? ? 1_555 A C   11 P  ? ? A 2MG 10 A C   11 1_555 ? ? ? ? ? ? ?                       
1.598 ? ? 
covale5  covale both ? A G   15 "O3'" ? ? ? 1_555 A H2U 16 P  ? ? A G   15 A H2U 16 1_555 ? ? ? ? ? ? ?                       
1.603 ? ? 
covale6  covale both ? A H2U 16 "O3'" ? ? ? 1_555 A C   17 P  ? ? A H2U 16 A C   17 1_555 ? ? ? ? ? ? ?                       
1.607 ? ? 
covale7  covale both ? A G   19 "O3'" A ? ? 1_555 A H2U 20 P  A ? A G   19 A H2U 20 1_555 ? ? ? ? ? ? ?                       
1.591 ? ? 
covale8  covale both ? A G   19 "O3'" B ? ? 1_555 A H2U 20 P  B ? A G   19 A H2U 20 1_555 ? ? ? ? ? ? ?                       
1.588 ? ? 
covale9  covale both ? A H2U 20 "O3'" A ? ? 1_555 A A   21 P  ? ? A H2U 20 A A   21 1_555 ? ? ? ? ? ? ?                       
1.609 ? ? 
covale10 covale both ? A H2U 20 "O3'" B ? ? 1_555 A A   21 P  ? ? A H2U 20 A A   21 1_555 ? ? ? ? ? ? ?                       
1.624 ? ? 
covale11 covale both ? A A   26 "O3'" ? ? ? 1_555 A PSU 27 P  ? ? A A   26 A PSU 27 1_555 ? ? ? ? ? ? ?                       
1.604 ? ? 
covale12 covale both ? A PSU 27 "O3'" ? ? ? 1_555 A C   28 P  ? ? A PSU 27 A C   28 1_555 ? ? ? ? ? ? ?                       
1.606 ? ? 
covale13 covale both ? A U   33 "O3'" ? ? ? 1_555 A 70U 34 P  ? ? A U   33 A 70U 34 1_555 ? ? ? ? ? ? ?                       
1.604 ? ? 
covale14 covale both ? A 70U 34 "O3'" ? ? ? 1_555 A U   35 P  ? ? A 70U 34 A U   35 1_555 ? ? ? ? ? ? ?                       
1.602 ? ? 
covale15 covale both ? A U   36 "O3'" ? ? ? 1_555 A 12A 37 P  ? ? A U   36 A 12A 37 1_555 ? ? ? ? ? ? ?                       
1.595 ? ? 
covale16 covale both ? A 12A 37 "O3'" ? ? ? 1_555 A A   38 P  ? ? A 12A 37 A A   38 1_555 ? ? ? ? ? ? ?                       
1.604 ? ? 
covale17 covale both ? A A   38 "O3'" ? ? ? 1_555 A PSU 39 P  ? ? A A   38 A PSU 39 1_555 ? ? ? ? ? ? ?                       
1.600 ? ? 
covale18 covale both ? A PSU 39 "O3'" ? ? ? 1_555 A C   40 P  ? ? A PSU 39 A C   40 1_555 ? ? ? ? ? ? ?                       
1.610 ? ? 
covale19 covale both ? A G   45 "O3'" ? ? ? 1_555 A 7MG 46 P  ? ? A G   45 A 7MG 46 1_555 ? ? ? ? ? ? ?                       
1.604 ? ? 
covale20 covale both ? A 7MG 46 "O3'" ? ? ? 1_555 A H2U 47 P  ? ? A 7MG 46 A H2U 47 1_555 ? ? ? ? ? ? ?                       
1.587 ? ? 
covale21 covale both ? A H2U 47 "O3'" ? ? ? 1_555 A 5MC 48 P  ? ? A H2U 47 A 5MC 48 1_555 ? ? ? ? ? ? ?                       
1.591 ? ? 
covale22 covale both ? A 5MC 48 "O3'" ? ? ? 1_555 A 5MC 49 P  ? ? A 5MC 48 A 5MC 49 1_555 ? ? ? ? ? ? ?                       
1.598 ? ? 
covale23 covale both ? A 5MC 49 "O3'" ? ? ? 1_555 A A   50 P  ? ? A 5MC 49 A A   50 1_555 ? ? ? ? ? ? ?                       
1.584 ? ? 
covale24 covale both ? A G   53 "O3'" ? ? ? 1_555 A 2MU 54 P  ? ? A G   53 A 2MU 54 1_555 ? ? ? ? ? ? ?                       
1.596 ? ? 
covale25 covale both ? A 2MU 54 "O3'" ? ? ? 1_555 A PSU 55 P  ? ? A 2MU 54 A PSU 55 1_555 ? ? ? ? ? ? ?                       
1.586 ? ? 
covale26 covale both ? A PSU 55 "O3'" ? ? ? 1_555 A C   56 P  ? ? A PSU 55 A C   56 1_555 ? ? ? ? ? ? ?                       
1.603 ? ? 
covale27 covale both ? A A   57 "O3'" ? ? ? 1_555 A 1MA 58 P  ? ? A A   57 A 1MA 58 1_555 ? ? ? ? ? ? ?                       
1.610 ? ? 
covale28 covale both ? A 1MA 58 "O3'" ? ? ? 1_555 A G   59 P  ? ? A 1MA 58 A G   59 1_555 ? ? ? ? ? ? ?                       
1.593 ? ? 
hydrog1  hydrog ?    ? A G   1  N1    ? ? ? 1_555 A C   72 N3 ? ? A G   1  A C   72 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog2  hydrog ?    ? A G   1  N2    ? ? ? 1_555 A C   72 O2 ? ? A G   1  A C   72 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog3  hydrog ?    ? A G   1  O6    ? ? ? 1_555 A C   72 N4 ? ? A G   1  A C   72 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog4  hydrog ?    ? A C   2  N3    ? ? ? 1_555 A G   71 N1 ? ? A C   2  A G   71 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog5  hydrog ?    ? A C   2  N4    ? ? ? 1_555 A G   71 O6 ? ? A C   2  A G   71 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog6  hydrog ?    ? A C   2  O2    ? ? ? 1_555 A G   71 N2 ? ? A C   2  A G   71 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog7  hydrog ?    ? A C   3  N3    ? ? ? 1_555 A G   70 N1 ? ? A C   3  A G   70 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog8  hydrog ?    ? A C   3  N4    ? ? ? 1_555 A G   70 O6 ? ? A C   3  A G   70 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog9  hydrog ?    ? A C   3  O2    ? ? ? 1_555 A G   70 N2 ? ? A C   3  A G   70 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog10 hydrog ?    ? A C   4  N3    ? ? ? 1_555 A G   69 N1 ? ? A C   4  A G   69 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog11 hydrog ?    ? A C   4  N4    ? ? ? 1_555 A G   69 O6 ? ? A C   4  A G   69 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog12 hydrog ?    ? A C   4  O2    ? ? ? 1_555 A G   69 N2 ? ? A C   4  A G   69 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog13 hydrog ?    ? A G   5  N1    ? ? ? 1_555 A C   68 N3 ? ? A G   5  A C   68 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog14 hydrog ?    ? A G   5  N2    ? ? ? 1_555 A C   68 O2 ? ? A G   5  A C   68 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog15 hydrog ?    ? A G   5  O6    ? ? ? 1_555 A C   68 N4 ? ? A G   5  A C   68 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog16 hydrog ?    ? A 2MG 6  N1    ? ? ? 1_555 A U   67 O2 ? ? A 2MG 6  A U   67 1_555 ? ? ? ? ? ? TYPE_28_PAIR            ? ? 
? 
hydrog17 hydrog ?    ? A 2MG 6  O6    ? ? ? 1_555 A U   67 N3 ? ? A 2MG 6  A U   67 1_555 ? ? ? ? ? ? TYPE_28_PAIR            ? ? 
? 
hydrog18 hydrog ?    ? A A   7  N1    ? ? ? 1_555 A U   66 N3 ? ? A A   7  A U   66 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog19 hydrog ?    ? A A   7  N6    ? ? ? 1_555 A U   66 O4 ? ? A A   7  A U   66 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog20 hydrog ?    ? A U   8  N3    ? ? ? 1_555 A A   14 N7 ? ? A U   8  A A   14 1_555 ? ? ? ? ? ? 'REVERSED HOOGSTEEN'    ? ? 
? 
hydrog21 hydrog ?    ? A U   8  O2    ? ? ? 1_555 A A   14 N6 ? ? A U   8  A A   14 1_555 ? ? ? ? ? ? 'REVERSED HOOGSTEEN'    ? ? 
? 
hydrog22 hydrog ?    ? A A   9  N6    ? ? ? 1_555 A A   23 N7 ? ? A A   9  A A   23 1_555 ? ? ? ? ? ? TYPE_2_PAIR             ? ? 
? 
hydrog23 hydrog ?    ? A A   9  N7    ? ? ? 1_555 A A   23 N6 ? ? A A   9  A A   23 1_555 ? ? ? ? ? ? TYPE_2_PAIR             ? ? 
? 
hydrog24 hydrog ?    ? A 2MG 10 N1    ? ? ? 1_555 A C   25 N3 ? ? A 2MG 10 A C   25 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog25 hydrog ?    ? A 2MG 10 N2    ? ? ? 1_555 A C   25 O2 ? ? A 2MG 10 A C   25 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog26 hydrog ?    ? A 2MG 10 O6    ? ? ? 1_555 A C   25 N4 ? ? A 2MG 10 A C   25 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog27 hydrog ?    ? A 2MG 10 O6    ? ? ? 1_555 A G   45 N2 ? ? A 2MG 10 A G   45 1_555 ? ? ? ? ? ? '2MG-G MISPAIR'         ? ? 
? 
hydrog28 hydrog ?    ? A C   11 N3    ? ? ? 1_555 A G   24 N1 ? ? A C   11 A G   24 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog29 hydrog ?    ? A C   11 N4    ? ? ? 1_555 A G   24 O6 ? ? A C   11 A G   24 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog30 hydrog ?    ? A C   11 O2    ? ? ? 1_555 A G   24 N2 ? ? A C   11 A G   24 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog31 hydrog ?    ? A U   12 N3    ? ? ? 1_555 A A   23 N1 ? ? A U   12 A A   23 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog32 hydrog ?    ? A U   12 O4    ? ? ? 1_555 A A   23 N6 ? ? A U   12 A A   23 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog33 hydrog ?    ? A C   13 N3    ? ? ? 1_555 A G   22 N1 ? ? A C   13 A G   22 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog34 hydrog ?    ? A C   13 N4    ? ? ? 1_555 A G   22 O6 ? ? A C   13 A G   22 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog35 hydrog ?    ? A C   13 O2    ? ? ? 1_555 A G   22 N2 ? ? A C   13 A G   22 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog36 hydrog ?    ? A A   14 N6    ? ? ? 1_555 A A   21 N3 ? ? A A   14 A A   21 1_555 ? ? ? ? ? ? 'A-A MISPAIR'           ? ? 
? 
hydrog37 hydrog ?    ? A G   15 N1    ? ? ? 1_555 A 5MC 48 O2 ? ? A G   15 A 5MC 48 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ? ? 
? 
hydrog38 hydrog ?    ? A G   15 N2    ? ? ? 1_555 A 5MC 48 N3 ? ? A G   15 A 5MC 48 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ? ? 
? 
hydrog39 hydrog ?    ? A G   18 N1    ? ? ? 1_555 A PSU 55 O4 ? ? A G   18 A PSU 55 1_555 ? ? ? ? ? ? 'G-PSU MISPAIR'         ? ? 
? 
hydrog40 hydrog ?    ? A G   19 N1    A ? ? 1_555 A C   56 N3 ? ? A G   19 A C   56 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog41 hydrog ?    ? A G   19 N2    A ? ? 1_555 A C   56 O2 ? ? A G   19 A C   56 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog42 hydrog ?    ? A G   19 O6    A ? ? 1_555 A C   56 N4 ? ? A G   19 A C   56 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog43 hydrog ?    ? A G   22 N7    ? ? ? 1_555 A 7MG 46 N1 ? ? A G   22 A 7MG 46 1_555 ? ? ? ? ? ? TYPE_7_PAIR             ? ? 
? 
hydrog44 hydrog ?    ? A G   22 O6    ? ? ? 1_555 A 7MG 46 N2 ? ? A G   22 A 7MG 46 1_555 ? ? ? ? ? ? TYPE_7_PAIR             ? ? 
? 
hydrog45 hydrog ?    ? A A   26 N1    ? ? ? 1_555 A G   44 N1 ? ? A A   26 A G   44 1_555 ? ? ? ? ? ? TYPE_8_PAIR             ? ? 
? 
hydrog46 hydrog ?    ? A A   26 N6    ? ? ? 1_555 A G   44 O6 ? ? A A   26 A G   44 1_555 ? ? ? ? ? ? TYPE_8_PAIR             ? ? 
? 
hydrog47 hydrog ?    ? A PSU 27 N3    ? ? ? 1_555 A A   43 N1 ? ? A PSU 27 A A   43 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ? ? 
? 
hydrog48 hydrog ?    ? A PSU 27 O2    ? ? ? 1_555 A A   43 N6 ? ? A PSU 27 A A   43 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ? ? 
? 
hydrog49 hydrog ?    ? A C   28 N3    ? ? ? 1_555 A G   42 N1 ? ? A C   28 A G   42 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog50 hydrog ?    ? A C   28 N4    ? ? ? 1_555 A G   42 O6 ? ? A C   28 A G   42 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog51 hydrog ?    ? A C   28 O2    ? ? ? 1_555 A G   42 N2 ? ? A C   28 A G   42 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog52 hydrog ?    ? A A   29 N1    ? ? ? 1_555 A U   41 N3 ? ? A A   29 A U   41 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog53 hydrog ?    ? A A   29 N6    ? ? ? 1_555 A U   41 O4 ? ? A A   29 A U   41 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog54 hydrog ?    ? A G   30 N1    ? ? ? 1_555 A C   40 N3 ? ? A G   30 A C   40 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog55 hydrog ?    ? A G   30 N2    ? ? ? 1_555 A C   40 O2 ? ? A G   30 A C   40 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog56 hydrog ?    ? A G   30 O6    ? ? ? 1_555 A C   40 N4 ? ? A G   30 A C   40 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog57 hydrog ?    ? A A   31 N1    ? ? ? 1_555 A PSU 39 N3 ? ? A A   31 A PSU 39 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ? ? 
? 
hydrog58 hydrog ?    ? A A   31 N6    ? ? ? 1_555 A PSU 39 O2 ? ? A A   31 A PSU 39 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ? ? 
? 
hydrog59 hydrog ?    ? A C   32 O2    ? ? ? 1_555 A A   38 N6 ? ? A C   32 A A   38 1_555 ? ? ? ? ? ? 'C-A MISPAIR'           ? ? 
? 
hydrog60 hydrog ?    ? A 5MC 49 N3    ? ? ? 1_555 A G   65 N1 ? ? A 5MC 49 A G   65 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog61 hydrog ?    ? A 5MC 49 N4    ? ? ? 1_555 A G   65 O6 ? ? A 5MC 49 A G   65 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog62 hydrog ?    ? A 5MC 49 O2    ? ? ? 1_555 A G   65 N2 ? ? A 5MC 49 A G   65 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog63 hydrog ?    ? A A   50 N1    ? ? ? 1_555 A U   64 N3 ? ? A A   50 A U   64 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog64 hydrog ?    ? A A   50 N6    ? ? ? 1_555 A U   64 O4 ? ? A A   50 A U   64 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog65 hydrog ?    ? A G   51 N1    ? ? ? 1_555 A C   63 N3 ? ? A G   51 A C   63 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog66 hydrog ?    ? A G   51 N2    ? ? ? 1_555 A C   63 O2 ? ? A G   51 A C   63 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog67 hydrog ?    ? A G   51 O6    ? ? ? 1_555 A C   63 N4 ? ? A G   51 A C   63 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog68 hydrog ?    ? A G   51 N1    ? ? ? 1_555 A U   64 O2 ? ? A G   51 A U   64 1_555 ? ? ? ? ? ? TYPE_28_PAIR            ? ? 
? 
hydrog69 hydrog ?    ? A G   51 O6    ? ? ? 1_555 A U   64 N3 ? ? A G   51 A U   64 1_555 ? ? ? ? ? ? TYPE_28_PAIR            ? ? 
? 
hydrog70 hydrog ?    ? A G   52 N1    ? ? ? 1_555 A C   62 N3 ? ? A G   52 A C   62 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog71 hydrog ?    ? A G   52 N2    ? ? ? 1_555 A C   62 O2 ? ? A G   52 A C   62 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog72 hydrog ?    ? A G   52 O6    ? ? ? 1_555 A C   62 N4 ? ? A G   52 A C   62 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog73 hydrog ?    ? A G   53 N1    ? ? ? 1_555 A C   61 N3 ? ? A G   53 A C   61 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog74 hydrog ?    ? A G   53 N2    ? ? ? 1_555 A C   61 O2 ? ? A G   53 A C   61 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog75 hydrog ?    ? A G   53 O6    ? ? ? 1_555 A C   61 N4 ? ? A G   53 A C   61 1_555 ? ? ? ? ? ? WATSON-CRICK            ? ? 
? 
hydrog76 hydrog ?    ? A 2MU 54 N3    ? ? ? 1_555 A 1MA 58 N7 ? ? A 2MU 54 A 1MA 58 1_555 ? ? ? ? ? ? 'REVERSED HOOGSTEEN'    ? ? 
? 
hydrog77 hydrog ?    ? A 2MU 54 O2    ? ? ? 1_555 A 1MA 58 N6 ? ? A 2MU 54 A 1MA 58 1_555 ? ? ? ? ? ? 'REVERSED HOOGSTEEN'    ? ? 
? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
covale ? ? 
hydrog ? ? 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    A 
_struct_site.pdbx_auth_comp_id    NA 
_struct_site.pdbx_auth_seq_id     202 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    1 
_struct_site.details              'BINDING SITE FOR RESIDUE NA A 202' 
# 
_struct_site_gen.id                   1 
_struct_site_gen.site_id              AC1 
_struct_site_gen.pdbx_num_res         1 
_struct_site_gen.label_comp_id        G 
_struct_site_gen.label_asym_id        A 
_struct_site_gen.label_seq_id         42 
_struct_site_gen.pdbx_auth_ins_code   ? 
_struct_site_gen.auth_comp_id         G 
_struct_site_gen.auth_asym_id         A 
_struct_site_gen.auth_seq_id          42 
_struct_site_gen.label_atom_id        . 
_struct_site_gen.label_alt_id         ? 
_struct_site_gen.symmetry             1_555 
_struct_site_gen.details              ? 
# 
_database_PDB_matrix.entry_id          1FIR 
_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 
# 
_atom_sites.entry_id                    1FIR 
_atom_sites.fract_transf_matrix[1][1]   0.009929 
_atom_sites.fract_transf_matrix[1][2]   0.005732 
_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]   0.011464 
_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]   0.012105 
_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  
MG 
N  
NA 
O  
P  
S  
# 
loop_
_pdbx_poly_seq_scheme.asym_id 
_pdbx_poly_seq_scheme.entity_id 
_pdbx_poly_seq_scheme.seq_id 
_pdbx_poly_seq_scheme.mon_id 
_pdbx_poly_seq_scheme.ndb_seq_num 
_pdbx_poly_seq_scheme.pdb_seq_num 
_pdbx_poly_seq_scheme.auth_seq_num 
_pdbx_poly_seq_scheme.pdb_mon_id 
_pdbx_poly_seq_scheme.auth_mon_id 
_pdbx_poly_seq_scheme.pdb_strand_id 
_pdbx_poly_seq_scheme.pdb_ins_code 
_pdbx_poly_seq_scheme.hetero 
A 1 1  G   1  1  1  G   G   A . n 
A 1 2  C   2  2  2  C   C   A . n 
A 1 3  C   3  3  3  C   C   A . n 
A 1 4  C   4  4  4  C   C   A . n 
A 1 5  G   5  5  5  G   G   A . n 
A 1 6  2MG 6  6  6  2MG 2MG A . n 
A 1 7  A   7  7  7  A   A   A . n 
A 1 8  U   8  8  8  U   U   A . n 
A 1 9  A   9  9  9  A   A   A . n 
A 1 10 2MG 10 10 10 2MG 2MG A . n 
A 1 11 C   11 11 11 C   C   A . n 
A 1 12 U   12 12 12 U   U   A . n 
A 1 13 C   13 13 13 C   C   A . n 
A 1 14 A   14 14 14 A   A   A . n 
A 1 15 G   15 15 15 G   G   A . n 
A 1 16 H2U 16 16 16 H2U DHU A . n 
A 1 17 C   17 17 17 C   C   A . n 
A 1 18 G   18 18 18 G   G   A . n 
A 1 19 G   19 19 19 G   G   A . n 
A 1 20 H2U 20 20 20 H2U DHU A . n 
A 1 21 A   21 21 21 A   A   A . n 
A 1 22 G   22 22 22 G   G   A . n 
A 1 23 A   23 23 23 A   A   A . n 
A 1 24 G   24 24 24 G   G   A . n 
A 1 25 C   25 25 25 C   C   A . n 
A 1 26 A   26 26 26 A   A   A . n 
A 1 27 PSU 27 27 27 PSU PSU A . n 
A 1 28 C   28 28 28 C   C   A . n 
A 1 29 A   29 29 29 A   A   A . n 
A 1 30 G   30 30 30 G   G   A . n 
A 1 31 A   31 31 31 A   A   A . n 
A 1 32 C   32 32 32 C   C   A . n 
A 1 33 U   33 33 33 U   U   A . n 
A 1 34 70U 34 34 34 70U 70U A . n 
A 1 35 U   35 35 35 U   U   A . n 
A 1 36 U   36 36 36 U   U   A . n 
A 1 37 12A 37 37 37 12A 12A A . n 
A 1 38 A   38 38 38 A   A   A . n 
A 1 39 PSU 39 39 39 PSU PSU A . n 
A 1 40 C   40 40 40 C   C   A . n 
A 1 41 U   41 41 41 U   U   A . n 
A 1 42 G   42 42 42 G   G   A . n 
A 1 43 A   43 43 43 A   A   A . n 
A 1 44 G   44 44 44 G   G   A . n 
A 1 45 G   45 45 45 G   G   A . n 
A 1 46 7MG 46 46 46 7MG 7MG A . n 
A 1 47 H2U 47 47 47 H2U DHU A . n 
A 1 48 5MC 48 48 48 5MC 5MC A . n 
A 1 49 5MC 49 49 49 5MC 5MC A . n 
A 1 50 A   50 50 50 A   A   A . n 
A 1 51 G   51 51 51 G   G   A . n 
A 1 52 G   52 52 52 G   G   A . n 
A 1 53 G   53 53 53 G   G   A . n 
A 1 54 2MU 54 54 54 2MU 2MU A . n 
A 1 55 PSU 55 55 55 PSU PSU A . n 
A 1 56 C   56 56 56 C   C   A . n 
A 1 57 A   57 57 57 A   A   A . n 
A 1 58 1MA 58 58 58 1MA 1MA A . n 
A 1 59 G   59 59 59 G   G   A . n 
A 1 60 U   60 60 60 U   U   A . n 
A 1 61 C   61 61 61 C   C   A . n 
A 1 62 C   62 62 62 C   C   A . n 
A 1 63 C   63 63 63 C   C   A . n 
A 1 64 U   64 64 64 U   U   A . n 
A 1 65 G   65 65 65 G   G   A . n 
A 1 66 U   66 66 66 U   U   A . n 
A 1 67 U   67 67 67 U   U   A . n 
A 1 68 C   68 68 68 C   C   A . n 
A 1 69 G   69 69 69 G   G   A . n 
A 1 70 G   70 70 70 G   G   A . n 
A 1 71 G   71 71 71 G   G   A . n 
A 1 72 C   72 72 72 C   C   A . n 
A 1 73 G   73 73 73 G   G   A . n 
A 1 74 C   74 74 74 C   C   A . n 
A 1 75 C   75 75 75 C   C   A . n 
A 1 76 A   76 76 76 A   A   A . n 
# 
loop_
_pdbx_nonpoly_scheme.asym_id 
_pdbx_nonpoly_scheme.entity_id 
_pdbx_nonpoly_scheme.mon_id 
_pdbx_nonpoly_scheme.ndb_seq_num 
_pdbx_nonpoly_scheme.pdb_seq_num 
_pdbx_nonpoly_scheme.auth_seq_num 
_pdbx_nonpoly_scheme.pdb_mon_id 
_pdbx_nonpoly_scheme.auth_mon_id 
_pdbx_nonpoly_scheme.pdb_strand_id 
_pdbx_nonpoly_scheme.pdb_ins_code 
B 2 MG  1  201 201 MG  MG  A . 
C 3 NA  1  202 202 NA  NA  A . 
D 4 HOH 1  301 301 HOH HOH A . 
D 4 HOH 2  302 302 HOH HOH A . 
D 4 HOH 3  303 303 HOH HOH A . 
D 4 HOH 4  304 304 HOH HOH A . 
D 4 HOH 5  305 305 HOH HOH A . 
D 4 HOH 6  306 306 HOH HOH A . 
D 4 HOH 7  307 307 HOH HOH A . 
D 4 HOH 8  308 308 HOH HOH A . 
D 4 HOH 9  309 309 HOH HOH A . 
D 4 HOH 10 310 310 HOH HOH A . 
D 4 HOH 11 311 311 HOH HOH A . 
D 4 HOH 12 312 312 HOH HOH A . 
D 4 HOH 13 313 313 HOH HOH A . 
D 4 HOH 14 314 314 HOH HOH A . 
D 4 HOH 15 315 315 HOH HOH A . 
D 4 HOH 16 316 316 HOH HOH A . 
# 
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 2MG 6  A 2MG 6  ? G "2N-METHYLGUANOSINE-5'-MONOPHOSPHATE"   
2  A 2MG 10 A 2MG 10 ? G "2N-METHYLGUANOSINE-5'-MONOPHOSPHATE"   
3  A H2U 16 A H2U 16 ? U "5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE"   
4  A H2U 20 A H2U 20 ? U "5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE"   
5  A PSU 27 A PSU 27 ? U "PSEUDOURIDINE-5'-MONOPHOSPHATE"        
6  A 70U 34 A 70U 34 ? U ?                                       
7  A 12A 37 A 12A 37 ? A ?                                       
8  A PSU 39 A PSU 39 ? U "PSEUDOURIDINE-5'-MONOPHOSPHATE"        
9  A 7MG 46 A 7MG 46 ? G ?                                       
10 A H2U 47 A H2U 47 ? U "5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE"   
11 A 5MC 48 A 5MC 48 ? C "5-METHYLCYTIDINE-5'-MONOPHOSPHATE"     
12 A 5MC 49 A 5MC 49 ? C "5-METHYLCYTIDINE-5'-MONOPHOSPHATE"     
13 A 2MU 54 A 2MU 54 ? U "2',5-DIMETHYLURIDINE-5'-MONOPHOSPHATE" 
14 A PSU 55 A PSU 55 ? U "PSEUDOURIDINE-5'-MONOPHOSPHATE"        
15 A 1MA 58 A 1MA 58 ? A ?                                       
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   monomeric 
_pdbx_struct_assembly.oligomeric_count     1 
# 
_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 
# 
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 2001-01-17 
2 'Structure model' 1 1 2008-04-27 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2014-04-09 
5 'Structure model' 1 4 2018-04-04 
6 'Structure model' 1 5 2018-04-11 
7 'Structure model' 1 6 2023-08-02 
# 
_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' 'Non-polymer description'   
3 3 'Structure model' 'Version format compliance' 
4 4 'Structure model' 'Derived calculations'      
5 5 'Structure model' 'Data collection'           
6 6 'Structure model' 'Data collection'           
7 7 'Structure model' 'Database references'       
8 7 'Structure model' 'Derived calculations'      
9 7 'Structure model' 'Refinement description'    
# 
loop_
_pdbx_audit_revision_category.ordinal 
_pdbx_audit_revision_category.revision_ordinal 
_pdbx_audit_revision_category.data_content_type 
_pdbx_audit_revision_category.category 
1 5 'Structure model' diffrn_source                 
2 6 'Structure model' diffrn_source                 
3 7 'Structure model' database_2                    
4 7 'Structure model' pdbx_initial_refinement_model 
5 7 'Structure model' struct_conn                   
6 7 '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  5 'Structure model' '_diffrn_source.type'                      
2  6 'Structure model' '_diffrn_source.pdbx_synchrotron_beamline' 
3  7 'Structure model' '_database_2.pdbx_DOI'                     
4  7 'Structure model' '_database_2.pdbx_database_accession'      
5  7 'Structure model' '_struct_conn.pdbx_dist_value'             
6  7 'Structure model' '_struct_conn.pdbx_leaving_atom_flag'      
7  7 'Structure model' '_struct_conn.pdbx_ptnr1_label_alt_id'     
8  7 'Structure model' '_struct_conn.pdbx_ptnr2_label_alt_id'     
9  7 'Structure model' '_struct_conn.ptnr1_auth_comp_id'          
10 7 'Structure model' '_struct_conn.ptnr1_auth_seq_id'           
11 7 'Structure model' '_struct_conn.ptnr1_label_atom_id'         
12 7 'Structure model' '_struct_conn.ptnr1_label_comp_id'         
13 7 'Structure model' '_struct_conn.ptnr1_label_seq_id'          
14 7 'Structure model' '_struct_conn.ptnr2_auth_comp_id'          
15 7 'Structure model' '_struct_conn.ptnr2_auth_seq_id'           
16 7 'Structure model' '_struct_conn.ptnr2_label_atom_id'         
17 7 'Structure model' '_struct_conn.ptnr2_label_comp_id'         
18 7 'Structure model' '_struct_conn.ptnr2_label_seq_id'          
19 7 'Structure model' '_struct_site.pdbx_auth_asym_id'           
20 7 'Structure model' '_struct_site.pdbx_auth_comp_id'           
21 7 'Structure model' '_struct_site.pdbx_auth_seq_id'            
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
AMoRE     phasing          .   ? 1 
CNS       refinement       0.4 ? 2 
DENZO     'data reduction' .   ? 3 
SCALEPACK 'data scaling'   .   ? 4 
# 
_pdbx_validate_close_contact.id               1 
_pdbx_validate_close_contact.PDB_model_num    1 
_pdbx_validate_close_contact.auth_atom_id_1   "O4'" 
_pdbx_validate_close_contact.auth_asym_id_1   A 
_pdbx_validate_close_contact.auth_comp_id_1   U 
_pdbx_validate_close_contact.auth_seq_id_1    8 
_pdbx_validate_close_contact.PDB_ins_code_1   ? 
_pdbx_validate_close_contact.label_alt_id_1   ? 
_pdbx_validate_close_contact.auth_atom_id_2   "O2'" 
_pdbx_validate_close_contact.auth_asym_id_2   A 
_pdbx_validate_close_contact.auth_comp_id_2   5MC 
_pdbx_validate_close_contact.auth_seq_id_2    48 
_pdbx_validate_close_contact.PDB_ins_code_2   ? 
_pdbx_validate_close_contact.label_alt_id_2   ? 
_pdbx_validate_close_contact.dist             2.17 
# 
_pdbx_validate_rmsd_bond.id                        1 
_pdbx_validate_rmsd_bond.PDB_model_num             1 
_pdbx_validate_rmsd_bond.auth_atom_id_1            P 
_pdbx_validate_rmsd_bond.auth_asym_id_1            A 
_pdbx_validate_rmsd_bond.auth_comp_id_1            G 
_pdbx_validate_rmsd_bond.auth_seq_id_1             1 
_pdbx_validate_rmsd_bond.PDB_ins_code_1            ? 
_pdbx_validate_rmsd_bond.label_alt_id_1            ? 
_pdbx_validate_rmsd_bond.auth_atom_id_2            OP3 
_pdbx_validate_rmsd_bond.auth_asym_id_2            A 
_pdbx_validate_rmsd_bond.auth_comp_id_2            G 
_pdbx_validate_rmsd_bond.auth_seq_id_2             1 
_pdbx_validate_rmsd_bond.PDB_ins_code_2            ? 
_pdbx_validate_rmsd_bond.label_alt_id_2            ? 
_pdbx_validate_rmsd_bond.bond_value                1.526 
_pdbx_validate_rmsd_bond.bond_target_value         1.607 
_pdbx_validate_rmsd_bond.bond_deviation            -0.081 
_pdbx_validate_rmsd_bond.bond_standard_deviation   0.012 
_pdbx_validate_rmsd_bond.linker_flag               N 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1 1 N9    A A 9  ? ? "C1'" A A 9  ? ? "C2'" A A 9  ? ? 122.10 114.00 8.10  1.30 N 
2 1 N1    A C 17 ? ? "C1'" A C 17 ? ? "C2'" A C 17 ? ? 123.59 114.00 9.59  1.30 N 
3 1 "O4'" A G 19 ? B "C1'" A G 19 ? B N9    A G 19 ? B 113.54 108.50 5.04  0.70 N 
4 1 "C2'" A U 60 ? ? "C3'" A U 60 ? ? "O3'" A U 60 ? ? 131.39 113.70 17.69 1.60 N 
# 
loop_
_pdbx_validate_planes.id 
_pdbx_validate_planes.PDB_model_num 
_pdbx_validate_planes.auth_comp_id 
_pdbx_validate_planes.auth_asym_id 
_pdbx_validate_planes.auth_seq_id 
_pdbx_validate_planes.PDB_ins_code 
_pdbx_validate_planes.label_alt_id 
_pdbx_validate_planes.rmsd 
_pdbx_validate_planes.type 
1 1 G A 5  ? ? 0.052 'SIDE CHAIN' 
2 1 G A 42 ? ? 0.054 'SIDE CHAIN' 
# 
_pdbx_validate_chiral.id              1 
_pdbx_validate_chiral.PDB_model_num   1 
_pdbx_validate_chiral.auth_atom_id    "C3'" 
_pdbx_validate_chiral.label_alt_id    ? 
_pdbx_validate_chiral.auth_asym_id    A 
_pdbx_validate_chiral.auth_comp_id    U 
_pdbx_validate_chiral.auth_seq_id     60 
_pdbx_validate_chiral.PDB_ins_code    ? 
_pdbx_validate_chiral.details         PLANAR 
_pdbx_validate_chiral.omega           . 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1FIR 'double helix'         
1FIR 'a-form double helix'  
1FIR 'parallel strands'     
1FIR 'hairpin loop'         
1FIR 'mismatched base pair' 
1FIR 'four-way junction'    
# 
loop_
_ndb_struct_na_base_pair.model_number 
_ndb_struct_na_base_pair.i_label_asym_id 
_ndb_struct_na_base_pair.i_label_comp_id 
_ndb_struct_na_base_pair.i_label_seq_id 
_ndb_struct_na_base_pair.i_symmetry 
_ndb_struct_na_base_pair.j_label_asym_id 
_ndb_struct_na_base_pair.j_label_comp_id 
_ndb_struct_na_base_pair.j_label_seq_id 
_ndb_struct_na_base_pair.j_symmetry 
_ndb_struct_na_base_pair.shear 
_ndb_struct_na_base_pair.stretch 
_ndb_struct_na_base_pair.stagger 
_ndb_struct_na_base_pair.buckle 
_ndb_struct_na_base_pair.propeller 
_ndb_struct_na_base_pair.opening 
_ndb_struct_na_base_pair.pair_number 
_ndb_struct_na_base_pair.pair_name 
_ndb_struct_na_base_pair.i_auth_asym_id 
_ndb_struct_na_base_pair.i_auth_seq_id 
_ndb_struct_na_base_pair.i_PDB_ins_code 
_ndb_struct_na_base_pair.j_auth_asym_id 
_ndb_struct_na_base_pair.j_auth_seq_id 
_ndb_struct_na_base_pair.j_PDB_ins_code 
_ndb_struct_na_base_pair.hbond_type_28 
_ndb_struct_na_base_pair.hbond_type_12 
1 A G   1  1_555 A C   72 1_555 -0.243 -0.280 0.210  3.841   -1.781  4.417    1  A_G1:C72_A      A 1  ? A 72 ? 19 1 
1 A C   2  1_555 A G   71 1_555 0.238  -0.182 -0.452 5.120   -8.160  3.212    2  A_C2:G71_A      A 2  ? A 71 ? 19 1 
1 A C   3  1_555 A G   70 1_555 0.338  -0.236 -0.212 2.675   -7.934  3.900    3  A_C3:G70_A      A 3  ? A 70 ? 19 1 
1 A C   4  1_555 A G   69 1_555 0.266  -0.150 -0.075 10.210  -7.274  -1.297   4  A_C4:G69_A      A 4  ? A 69 ? 19 1 
1 A G   5  1_555 A C   68 1_555 -0.065 -0.118 0.759  8.525   -2.386  -0.411   5  A_G5:C68_A      A 5  ? A 68 ? 19 1 
1 A 2MG 6  1_555 A U   67 1_555 -2.018 -0.272 0.234  2.496   1.954   6.154    6  A_2MG6:U67_A    A 6  ? A 67 ? 28 1 
1 A A   7  1_555 A U   66 1_555 -0.062 -0.038 -0.439 -6.536  12.708  3.730    7  A_A7:U66_A      A 7  ? A 66 ? 20 1 
1 A 5MC 49 1_555 A G   65 1_555 -0.005 -0.165 0.949  -18.204 9.312   2.082    8  A_5MC49:G65_A   A 49 ? A 65 ? 19 1 
1 A A   50 1_555 A U   64 1_555 0.001  -0.190 -0.615 -0.463  2.493   7.791    9  A_A50:U64_A     A 50 ? A 64 ? 20 1 
1 A G   51 1_555 A C   63 1_555 0.093  -0.363 -1.227 -7.667  -2.276  -1.821   10 A_G51:C63_A     A 51 ? A 63 ? 19 1 
1 A G   52 1_555 A C   62 1_555 -0.012 -0.015 -0.531 -19.480 -7.346  3.679    11 A_G52:C62_A     A 52 ? A 62 ? 19 1 
1 A G   53 1_555 A C   61 1_555 -0.291 -0.012 -0.576 -23.600 -9.300  1.641    12 A_G53:C61_A     A 53 ? A 61 ? 19 1 
1 A 2MU 54 1_555 A 1MA 58 1_555 4.646  -2.355 0.366  -3.881  3.721   -104.032 13 A_2MU54:1MA58_A A 54 ? A 58 ? 24 4 
1 A PSU 55 1_555 A G   18 1_555 0.392  -5.318 0.345  20.730  21.614  -100.558 14 A_PSU55:G18_A   A 55 ? A 18 ? ?  2 
1 A A   38 1_555 A C   32 1_555 -3.743 -1.229 1.873  23.453  7.908   -35.547  15 A_A38:C32_A     A 38 ? A 32 ? ?  1 
1 A PSU 39 1_555 A A   31 1_555 -0.369 -0.077 -0.193 21.782  -16.655 -5.313   16 A_PSU39:A31_A   A 39 ? A 31 ? 21 1 
1 A C   40 1_555 A G   30 1_555 0.195  -0.091 0.029  8.637   -9.933  1.608    17 A_C40:G30_A     A 40 ? A 30 ? 19 1 
1 A U   41 1_555 A A   29 1_555 0.205  -0.309 0.037  1.048   2.321   9.797    18 A_U41:A29_A     A 41 ? A 29 ? 20 1 
1 A G   42 1_555 A C   28 1_555 -0.271 -0.597 1.227  4.233   -3.656  -1.741   19 A_G42:C28_A     A 42 ? A 28 ? 19 1 
1 A A   43 1_555 A PSU 27 1_555 0.139  -0.174 1.076  -7.915  -8.028  -10.890  20 A_A43:PSU27_A   A 43 ? A 27 ? 21 1 
1 A G   44 1_555 A A   26 1_555 0.032  1.770  0.446  -24.905 -14.294 -33.470  21 A_G44:A26_A     A 44 ? A 26 ? 8  ? 
1 A 2MG 10 1_555 A C   25 1_555 -0.291 -0.256 -0.368 5.624   -6.816  4.141    22 A_2MG10:C25_A   A 10 ? A 25 ? 19 1 
1 A C   11 1_555 A G   24 1_555 0.084  -0.252 -0.270 -10.757 -7.794  -2.697   23 A_C11:G24_A     A 11 ? A 24 ? 19 1 
1 A U   12 1_555 A A   23 1_555 0.009  -0.038 0.438  -18.503 -4.956  -2.429   24 A_U12:A23_A     A 12 ? A 23 ? 20 1 
1 A C   13 1_555 A G   22 1_555 0.116  -0.131 -0.322 6.631   -5.813  2.590    25 A_C13:G22_A     A 13 ? A 22 ? 19 1 
1 A A   14 1_555 A A   21 1_555 -6.318 -0.416 -0.290 9.735   -3.042  57.790   26 A_A14:A21_A     A 14 ? A 21 ? ?  5 
1 A G   15 1_555 A 5MC 48 1_555 -0.038 4.107  0.217  12.048  5.652   152.650  27 A_G15:5MC48_A   A 15 ? A 48 ? 22 2 
1 A G   19 1_555 A C   56 1_555 0.533  -0.279 -0.374 -22.837 -9.467  1.037    28 A_G19:C56_A     A 19 ? A 56 ? 19 1 
# 
loop_
_ndb_struct_na_base_pair_step.model_number 
_ndb_struct_na_base_pair_step.i_label_asym_id_1 
_ndb_struct_na_base_pair_step.i_label_comp_id_1 
_ndb_struct_na_base_pair_step.i_label_seq_id_1 
_ndb_struct_na_base_pair_step.i_symmetry_1 
_ndb_struct_na_base_pair_step.j_label_asym_id_1 
_ndb_struct_na_base_pair_step.j_label_comp_id_1 
_ndb_struct_na_base_pair_step.j_label_seq_id_1 
_ndb_struct_na_base_pair_step.j_symmetry_1 
_ndb_struct_na_base_pair_step.i_label_asym_id_2 
_ndb_struct_na_base_pair_step.i_label_comp_id_2 
_ndb_struct_na_base_pair_step.i_label_seq_id_2 
_ndb_struct_na_base_pair_step.i_symmetry_2 
_ndb_struct_na_base_pair_step.j_label_asym_id_2 
_ndb_struct_na_base_pair_step.j_label_comp_id_2 
_ndb_struct_na_base_pair_step.j_label_seq_id_2 
_ndb_struct_na_base_pair_step.j_symmetry_2 
_ndb_struct_na_base_pair_step.shift 
_ndb_struct_na_base_pair_step.slide 
_ndb_struct_na_base_pair_step.rise 
_ndb_struct_na_base_pair_step.tilt 
_ndb_struct_na_base_pair_step.roll 
_ndb_struct_na_base_pair_step.twist 
_ndb_struct_na_base_pair_step.x_displacement 
_ndb_struct_na_base_pair_step.y_displacement 
_ndb_struct_na_base_pair_step.helical_rise 
_ndb_struct_na_base_pair_step.inclination 
_ndb_struct_na_base_pair_step.tip 
_ndb_struct_na_base_pair_step.helical_twist 
_ndb_struct_na_base_pair_step.step_number 
_ndb_struct_na_base_pair_step.step_name 
_ndb_struct_na_base_pair_step.i_auth_asym_id_1 
_ndb_struct_na_base_pair_step.i_auth_seq_id_1 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_1 
_ndb_struct_na_base_pair_step.j_auth_asym_id_1 
_ndb_struct_na_base_pair_step.j_auth_seq_id_1 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_1 
_ndb_struct_na_base_pair_step.i_auth_asym_id_2 
_ndb_struct_na_base_pair_step.i_auth_seq_id_2 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_2 
_ndb_struct_na_base_pair_step.j_auth_asym_id_2 
_ndb_struct_na_base_pair_step.j_auth_seq_id_2 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_2 
1 A G   1  1_555 A C   72 1_555 A C   2  1_555 A G   71 1_555 -0.416 -1.802 3.251 5.415  5.409  25.759 -5.171 2.188   2.682 11.805 
-11.817 26.854  1  AA_G1C2:G71C72_AA         A 1  ? A 72 ? A 2  ? A 71 ? 
1 A C   2  1_555 A G   71 1_555 A C   3  1_555 A G   70 1_555 0.084  -1.880 3.197 -1.418 10.946 33.078 -4.622 -0.333  2.464 18.593 
2.409   34.822  2  AA_C2C3:G70G71_AA         A 2  ? A 71 ? A 3  ? A 70 ? 
1 A C   3  1_555 A G   70 1_555 A C   4  1_555 A G   69 1_555 -0.195 -1.523 3.154 0.492  6.536  33.090 -3.603 0.409   2.807 11.338 
-0.854  33.715  3  AA_C3C4:G69G70_AA         A 3  ? A 70 ? A 4  ? A 69 ? 
1 A C   4  1_555 A G   69 1_555 A G   5  1_555 A C   68 1_555 -0.270 -2.013 2.851 -6.558 13.794 29.726 -5.234 -0.351  1.788 24.924 
11.850  33.341  4  AA_C4G5:C68G69_AA         A 4  ? A 69 ? A 5  ? A 68 ? 
1 A G   5  1_555 A C   68 1_555 A 2MG 6  1_555 A U   67 1_555 0.605  -2.204 2.995 -1.453 6.038  29.222 -5.336 -1.428  2.467 11.800 
2.839   29.861  5  AA_G52MG6:U67C68_AA       A 5  ? A 68 ? A 6  ? A 67 ? 
1 A 2MG 6  1_555 A U   67 1_555 A A   7  1_555 A U   66 1_555 -0.422 -1.821 3.198 4.878  11.006 36.320 -4.021 1.194   2.487 17.088 
-7.574  38.200  6  AA_2MG6A7:U66U67_AA       A 6  ? A 67 ? A 7  ? A 66 ? 
1 A A   7  1_555 A U   66 1_555 A 5MC 49 1_555 A G   65 1_555 -0.646 -2.231 3.674 -6.718 -3.672 35.614 -2.971 -0.064  3.930 -5.919 
10.829  36.401  7  AA_A75MC49:G65U66_AA      A 7  ? A 66 ? A 49 ? A 65 ? 
1 A 5MC 49 1_555 A G   65 1_555 A A   50 1_555 A U   64 1_555 0.082  -2.313 2.736 11.748 -1.969 29.368 -3.927 1.731   2.715 -3.697 
-22.062 31.642  8  AA_5MC49A50:U64G65_AA     A 49 ? A 65 ? A 50 ? A 64 ? 
1 A A   50 1_555 A U   64 1_555 A G   51 1_555 A C   63 1_555 -0.745 -1.253 3.273 1.217  16.041 35.002 -3.746 1.272   2.462 25.098 
-1.904  38.416  9  AA_A50G51:C63U64_AA       A 50 ? A 64 ? A 51 ? A 63 ? 
1 A G   51 1_555 A C   63 1_555 A G   52 1_555 A C   62 1_555 0.518  -1.360 3.610 -5.233 7.944  26.970 -4.621 -2.278  2.947 16.400 
10.803  28.569  10 AA_G51G52:C62C63_AA       A 51 ? A 63 ? A 52 ? A 62 ? 
1 A G   52 1_555 A C   62 1_555 A G   53 1_555 A C   61 1_555 0.652  -2.186 3.595 2.913  5.328  33.710 -4.600 -0.623  3.265 9.095 
-4.972  34.236  11 AA_G52G53:C61C62_AA       A 52 ? A 62 ? A 53 ? A 61 ? 
1 A G   53 1_555 A C   61 1_555 A 2MU 54 1_555 A 1MA 58 1_555 -1.997 -2.051 2.892 -4.797 -2.374 93.192 -1.370 1.293   3.008 -1.633 
3.299   93.310  12 AA_G532MU54:1MA58C61_AA   A 53 ? A 61 ? A 54 ? A 58 ? 
1 A 2MU 54 1_555 A 1MA 58 1_555 A PSU 55 1_555 A G   18 1_555 2.175  -2.112 3.625 16.435 0.864  33.694 -3.438 -0.672  4.158 1.393 
-26.483 37.394  13 AA_2MU54PSU55:G181MA58_AA A 54 ? A 58 ? A 55 ? A 18 ? 
1 A A   38 1_555 A C   32 1_555 A PSU 39 1_555 A A   31 1_555 1.665  -1.878 3.912 4.529  6.362  40.313 -3.498 -1.793  3.744 9.128 
-6.498  41.031  14 AA_A38PSU39:A31C32_AA     A 38 ? A 32 ? A 39 ? A 31 ? 
1 A PSU 39 1_555 A A   31 1_555 A C   40 1_555 A G   30 1_555 0.393  -1.586 3.655 -0.564 6.396  44.353 -2.712 -0.572  3.401 8.420 
0.743   44.792  15 AA_PSU39C40:G30A31_AA     A 39 ? A 31 ? A 40 ? A 30 ? 
1 A C   40 1_555 A G   30 1_555 A U   41 1_555 A A   29 1_555 0.498  -1.742 3.262 1.218  6.543  27.926 -4.903 -0.746  2.808 13.319 
-2.480  28.693  16 AA_C40U41:A29G30_AA       A 40 ? A 30 ? A 41 ? A 29 ? 
1 A U   41 1_555 A A   29 1_555 A G   42 1_555 A C   28 1_555 -0.055 -1.902 2.585 -5.585 9.354  29.712 -4.718 -0.631  1.893 17.516 
10.458  31.604  17 AA_U41G42:C28A29_AA       A 41 ? A 29 ? A 42 ? A 28 ? 
1 A G   42 1_555 A C   28 1_555 A A   43 1_555 A PSU 27 1_555 -0.059 -2.118 3.336 5.029  -0.889 38.581 -3.069 0.715   3.348 -1.338 
-7.571  38.905  18 AA_G42A43:PSU27C28_AA     A 42 ? A 28 ? A 43 ? A 27 ? 
1 A A   43 1_555 A PSU 27 1_555 A G   44 1_555 A A   26 1_555 -1.260 -1.998 3.334 5.673  8.740  29.813 -5.141 3.269   2.393 16.371 
-10.626 31.542  19 AA_A43G44:A26PSU27_AA     A 43 ? A 27 ? A 44 ? A 26 ? 
1 A G   44 1_555 A A   26 1_555 A 2MG 10 1_555 A C   25 1_555 -2.604 -3.575 2.757 20.055 1.955  65.353 -3.248 2.879   1.887 1.768 
-18.130 68.059  20 AA_G442MG10:C25A26_AA     A 44 ? A 26 ? A 10 ? A 25 ? 
1 A 2MG 10 1_555 A C   25 1_555 A C   11 1_555 A G   24 1_555 -0.812 -1.696 3.523 -2.186 14.042 32.398 -4.844 1.020   2.634 23.790 
3.703   35.301  21 AA_2MG10C11:G24C25_AA     A 10 ? A 25 ? A 11 ? A 24 ? 
1 A C   11 1_555 A G   24 1_555 A U   12 1_555 A A   23 1_555 -0.043 -1.053 3.655 -1.963 5.178  38.679 -2.259 -0.195  3.489 7.769 
2.946   39.058  22 AA_C11U12:A23G24_AA       A 11 ? A 24 ? A 12 ? A 23 ? 
1 A U   12 1_555 A A   23 1_555 A C   13 1_555 A G   22 1_555 1.308  -1.712 2.500 7.139  -0.051 29.093 -3.306 -1.332  2.739 -0.100 
-13.947 29.938  23 AA_U12C13:G22A23_AA       A 12 ? A 23 ? A 13 ? A 22 ? 
1 A C   13 1_555 A G   22 1_555 A A   14 1_555 A A   21 1_555 2.863  -3.359 3.171 -9.509 8.125  -7.304 0.719  -3.395  5.363 
-38.870 -45.490 -14.477 24 AA_C13A14:A21G22_AA       A 13 ? A 22 ? A 14 ? A 21 ? 
1 A A   14 1_555 A A   21 1_555 A G   15 1_555 A 5MC 48 1_555 0.336  -0.481 3.583 -9.513 -4.405 7.107  3.379  -13.533 1.930 
-23.512 50.775  12.660  25 AA_A14G15:5MC48A21_AA     A 14 ? A 21 ? A 15 ? A 48 ? 
# 
loop_
_pdbx_entity_nonpoly.entity_id 
_pdbx_entity_nonpoly.name 
_pdbx_entity_nonpoly.comp_id 
2 'MAGNESIUM ION' MG  
3 'SODIUM ION'    NA  
4 water           HOH 
# 
_pdbx_initial_refinement_model.id               1 
_pdbx_initial_refinement_model.entity_id_list   ? 
_pdbx_initial_refinement_model.type             'experimental model' 
_pdbx_initial_refinement_model.source_name      PDB 
_pdbx_initial_refinement_model.accession_code   4TNA 
_pdbx_initial_refinement_model.details          ? 
#