data_1M6A
# 
_entry.id   1M6A 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.392 
_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   1M6A         pdb_00001m6a 10.2210/pdb1m6a/pdb 
RCSB  RCSB016651   ?            ?                   
WWPDB D_1000016651 ?            ?                   
# 
loop_
_pdbx_audit_revision_history.ordinal 
_pdbx_audit_revision_history.data_content_type 
_pdbx_audit_revision_history.major_revision 
_pdbx_audit_revision_history.minor_revision 
_pdbx_audit_revision_history.revision_date 
1 'Structure model' 1 0 2002-08-07 
2 'Structure model' 1 1 2008-04-28 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2022-02-23 
5 'Structure model' 1 4 2024-05-22 
# 
_pdbx_audit_revision_details.ordinal             1 
_pdbx_audit_revision_details.revision_ordinal    1 
_pdbx_audit_revision_details.data_content_type   'Structure model' 
_pdbx_audit_revision_details.provider            repository 
_pdbx_audit_revision_details.type                'Initial release' 
_pdbx_audit_revision_details.description         ? 
_pdbx_audit_revision_details.details             ? 
# 
loop_
_pdbx_audit_revision_group.ordinal 
_pdbx_audit_revision_group.revision_ordinal 
_pdbx_audit_revision_group.data_content_type 
_pdbx_audit_revision_group.group 
1 2 'Structure model' 'Version format compliance' 
2 3 'Structure model' 'Version format compliance' 
3 4 'Structure model' 'Data collection'           
4 4 'Structure model' 'Database references'       
5 4 'Structure model' 'Derived calculations'      
6 5 'Structure model' 'Data collection'           
# 
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' database_2            
2 4 'Structure model' pdbx_nmr_software     
3 4 'Structure model' pdbx_struct_assembly  
4 4 'Structure model' pdbx_struct_oper_list 
5 5 'Structure model' chem_comp_atom        
6 5 'Structure model' chem_comp_bond        
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
3 4 'Structure model' '_pdbx_nmr_software.name'             
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1M6A 
_pdbx_database_status.recvd_initial_deposition_date   2002-07-15 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_mr                  REL 
_pdbx_database_status.SG_entry                        ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Malliavin, T.E.' 1 
'Snoussi, K.'     2 
'Leroy, J.-L.'    3 
# 
_citation.id                        primary 
_citation.title                     'The NMR structure of [Xd(C2)]4 investigated by molecular dynamics simulations' 
_citation.journal_abbrev            MAGN.RESON.CHEM. 
_citation.journal_volume            41 
_citation.page_first                18 
_citation.page_last                 25 
_citation.year                      2003 
_citation.journal_id_ASTM           MRCHEG 
_citation.country                   UK 
_citation.journal_id_ISSN           0749-1581 
_citation.journal_id_CSD            0731 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   -1 
_citation.pdbx_database_id_DOI      ? 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Malliavin, T.E.' 1 ? 
primary 'Snoussi, K.'     2 ? 
primary 'Leroy, J.-L.'    3 ? 
# 
_entity.id                         1 
_entity.type                       polymer 
_entity.src_method                 syn 
_entity.pdbx_description           "5'-D(*CP*C)-3'" 
_entity.formula_weight             533.406 
_entity.pdbx_number_of_molecules   4 
_entity.pdbx_ec                    ? 
_entity.pdbx_mutation              ? 
_entity.pdbx_fragment              ? 
_entity.details                    ? 
# 
_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       '(DC)(DC)' 
_entity_poly.pdbx_seq_one_letter_code_can   CC 
_entity_poly.pdbx_strand_id                 A,B,C,D 
_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 DC n 
1 2 DC n 
# 
_chem_comp.id               DC 
_chem_comp.type             'DNA linking' 
_chem_comp.mon_nstd_flag    y 
_chem_comp.name             "2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE" 
_chem_comp.pdbx_synonyms    ? 
_chem_comp.formula          'C9 H14 N3 O7 P' 
_chem_comp.formula_weight   307.197 
# 
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 DC 1 1 1 DC CYT A . n 
A 1 2 DC 2 2 2 DC CYT A . n 
B 1 1 DC 1 1 1 DC CYT B . n 
B 1 2 DC 2 2 2 DC CYT B . n 
C 1 1 DC 1 1 1 DC CYT C . n 
C 1 2 DC 2 2 2 DC CYT C . n 
D 1 1 DC 1 1 1 DC CYT D . n 
D 1 2 DC 2 2 2 DC CYT D . n 
# 
_exptl.entry_id          1M6A 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      ? 
_exptl_crystal.density_percent_sol   ? 
_exptl_crystal.description           ? 
# 
_diffrn.id                     1 
_diffrn.crystal_id             1 
_diffrn.ambient_temp           ? 
_diffrn.ambient_temp_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             ? 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_database_PDB_matrix.entry_id          1M6A 
_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                  1M6A 
_struct.title                     'NMR structure of the i-Motif Tetramer Formed by XC2' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1M6A 
_struct_keywords.pdbx_keywords   DNA 
_struct_keywords.text            'elementary i-motif, MD, 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 1 ? 
D N N 1 ? 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1M6A 
_struct_ref.pdbx_db_accession          1M6A 
_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 1M6A A 1 ? 2 ? 1M6A 1 ? 2 ? 1 2 
2 1 1M6A B 1 ? 2 ? 1M6A 1 ? 2 ? 1 2 
3 1 1M6A C 1 ? 2 ? 1M6A 1 ? 2 ? 1 2 
4 1 1M6A D 1 ? 2 ? 1M6A 1 ? 2 ? 1 2 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   tetrameric 
_pdbx_struct_assembly.oligomeric_count     4 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A,B,C,D 
# 
_pdbx_struct_oper_list.id                   1 
_pdbx_struct_oper_list.type                 'identity operation' 
_pdbx_struct_oper_list.name                 1_555 
_pdbx_struct_oper_list.symmetry_operation   x,y,z 
_pdbx_struct_oper_list.matrix[1][1]         1.0000000000 
_pdbx_struct_oper_list.matrix[1][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[1][3]         0.0000000000 
_pdbx_struct_oper_list.vector[1]            0.0000000000 
_pdbx_struct_oper_list.matrix[2][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[2][2]         1.0000000000 
_pdbx_struct_oper_list.matrix[2][3]         0.0000000000 
_pdbx_struct_oper_list.vector[2]            0.0000000000 
_pdbx_struct_oper_list.matrix[3][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][3]         1.0000000000 
_pdbx_struct_oper_list.vector[3]            0.0000000000 
# 
_struct_biol.id   1 
# 
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 
hydrog1 hydrog ? ? A DC 1 N4 ? ? ? 1_555 C DC 1 O2 ? ? A DC 1 C DC 1 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
hydrog2 hydrog ? ? A DC 1 O2 ? ? ? 1_555 C DC 1 N4 ? ? A DC 1 C DC 1 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
hydrog3 hydrog ? ? A DC 2 N4 ? ? ? 1_555 C DC 2 O2 ? ? A DC 2 C DC 2 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
hydrog4 hydrog ? ? A DC 2 O2 ? ? ? 1_555 C DC 2 N4 ? ? A DC 2 C DC 2 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
hydrog5 hydrog ? ? B DC 1 N4 ? ? ? 1_555 D DC 1 O2 ? ? B DC 1 D DC 1 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
hydrog6 hydrog ? ? B DC 1 O2 ? ? ? 1_555 D DC 1 N4 ? ? B DC 1 D DC 1 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
hydrog7 hydrog ? ? B DC 2 N4 ? ? ? 1_555 D DC 2 O2 ? ? B DC 2 D DC 2 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
hydrog8 hydrog ? ? B DC 2 O2 ? ? ? 1_555 D DC 2 N4 ? ? B DC 2 D DC 2 1_555 ? ? ? ? ? ? TYPE_15_PAIR ? ? ? 
# 
_struct_conn_type.id          hydrog 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1 1 "O4'" A DC 1 ? ? "C1'" A DC 1 ? ? N1 A DC 1 ? ? 110.53 108.30 2.23 0.30 N 
2 1 "O4'" A DC 2 ? ? "C1'" A DC 2 ? ? N1 A DC 2 ? ? 110.23 108.30 1.93 0.30 N 
3 1 "O4'" B DC 1 ? ? "C1'" B DC 1 ? ? N1 B DC 1 ? ? 110.46 108.30 2.16 0.30 N 
4 1 "O4'" B DC 2 ? ? "C1'" B DC 2 ? ? N1 B DC 2 ? ? 110.25 108.30 1.95 0.30 N 
5 1 "O4'" C DC 1 ? ? "C1'" C DC 1 ? ? N1 C DC 1 ? ? 110.47 108.30 2.17 0.30 N 
6 1 "O4'" C DC 2 ? ? "C1'" C DC 2 ? ? N1 C DC 2 ? ? 110.17 108.30 1.87 0.30 N 
7 1 "O4'" D DC 1 ? ? "C1'" D DC 1 ? ? N1 D DC 1 ? ? 110.54 108.30 2.24 0.30 N 
8 1 "O4'" D DC 2 ? ? "C1'" D DC 2 ? ? N1 D DC 2 ? ? 110.22 108.30 1.92 0.30 N 
# 
_pdbx_nmr_ensemble.entry_id                                      1M6A 
_pdbx_nmr_ensemble.conformers_calculated_total_number            45 
_pdbx_nmr_ensemble.conformers_submitted_total_number             1 
_pdbx_nmr_ensemble.conformer_selection_criteria                  
'The submitted conformer model is the best structure with the lowest energy.' 
_pdbx_nmr_ensemble.average_constraints_per_residue               ? 
_pdbx_nmr_ensemble.average_constraint_violations_per_residue     ? 
_pdbx_nmr_ensemble.maximum_distance_constraint_violation         ? 
_pdbx_nmr_ensemble.average_distance_constraint_violation         ? 
_pdbx_nmr_ensemble.maximum_upper_distance_constraint_violation   ? 
_pdbx_nmr_ensemble.maximum_lower_distance_constraint_violation   ? 
_pdbx_nmr_ensemble.distance_constraint_violation_method          ? 
_pdbx_nmr_ensemble.maximum_torsion_angle_constraint_violation    ? 
_pdbx_nmr_ensemble.average_torsion_angle_constraint_violation    ? 
_pdbx_nmr_ensemble.torsion_angle_constraint_violation_method     ? 
# 
_pdbx_nmr_representative.entry_id             1M6A 
_pdbx_nmr_representative.conformer_id         1 
_pdbx_nmr_representative.selection_criteria   
'the structure with the lowest energy was selected. the structure with the fewest number of violations was selected.' 
# 
_pdbx_nmr_sample_details.solution_id      1 
_pdbx_nmr_sample_details.contents         '12 MM [XD(C2)]4 90% H2O, 10% D2O' 
_pdbx_nmr_sample_details.solvent_system   '90% H2O/10% D2O' 
# 
_pdbx_nmr_exptl_sample_conditions.conditions_id       1 
_pdbx_nmr_exptl_sample_conditions.temperature         273 
_pdbx_nmr_exptl_sample_conditions.pressure            ambient 
_pdbx_nmr_exptl_sample_conditions.pH                  4.3 
_pdbx_nmr_exptl_sample_conditions.ionic_strength      'sodium counter-ion' 
_pdbx_nmr_exptl_sample_conditions.pressure_units      ? 
_pdbx_nmr_exptl_sample_conditions.temperature_units   K 
# 
_pdbx_nmr_exptl.experiment_id   1 
_pdbx_nmr_exptl.solution_id     1 
_pdbx_nmr_exptl.conditions_id   1 
_pdbx_nmr_exptl.type            '2D NOESY' 
# 
_pdbx_nmr_refine.entry_id           1M6A 
_pdbx_nmr_refine.method             'SIMULATED ANNEALING, MOLECULAR DYNAMICS' 
_pdbx_nmr_refine.details            ? 
_pdbx_nmr_refine.software_ordinal   1 
# 
loop_
_pdbx_nmr_software.name 
_pdbx_nmr_software.version 
_pdbx_nmr_software.classification 
_pdbx_nmr_software.authors 
_pdbx_nmr_software.ordinal 
Felix  95.0  'data analysis' MSI             1 
X-PLOR 3.851 refinement      'BRUNGER, A.T.' 2 
# 
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 
DC OP3    O N N 1  
DC P      P N N 2  
DC OP1    O N N 3  
DC OP2    O N N 4  
DC "O5'"  O N N 5  
DC "C5'"  C N N 6  
DC "C4'"  C N R 7  
DC "O4'"  O N N 8  
DC "C3'"  C N S 9  
DC "O3'"  O N N 10 
DC "C2'"  C N N 11 
DC "C1'"  C N R 12 
DC N1     N N N 13 
DC C2     C N N 14 
DC O2     O N N 15 
DC N3     N N N 16 
DC C4     C N N 17 
DC N4     N N N 18 
DC C5     C N N 19 
DC C6     C N N 20 
DC HOP3   H N N 21 
DC HOP2   H N N 22 
DC "H5'"  H N N 23 
DC "H5''" H N N 24 
DC "H4'"  H N N 25 
DC "H3'"  H N N 26 
DC "HO3'" H N N 27 
DC "H2'"  H N N 28 
DC "H2''" H N N 29 
DC "H1'"  H N N 30 
DC H41    H N N 31 
DC H42    H N N 32 
DC H5     H N N 33 
DC H6     H N N 34 
# 
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 
DC OP3   P      sing N N 1  
DC OP3   HOP3   sing N N 2  
DC P     OP1    doub N N 3  
DC P     OP2    sing N N 4  
DC P     "O5'"  sing N N 5  
DC OP2   HOP2   sing N N 6  
DC "O5'" "C5'"  sing N N 7  
DC "C5'" "C4'"  sing N N 8  
DC "C5'" "H5'"  sing N N 9  
DC "C5'" "H5''" sing N N 10 
DC "C4'" "O4'"  sing N N 11 
DC "C4'" "C3'"  sing N N 12 
DC "C4'" "H4'"  sing N N 13 
DC "O4'" "C1'"  sing N N 14 
DC "C3'" "O3'"  sing N N 15 
DC "C3'" "C2'"  sing N N 16 
DC "C3'" "H3'"  sing N N 17 
DC "O3'" "HO3'" sing N N 18 
DC "C2'" "C1'"  sing N N 19 
DC "C2'" "H2'"  sing N N 20 
DC "C2'" "H2''" sing N N 21 
DC "C1'" N1     sing N N 22 
DC "C1'" "H1'"  sing N N 23 
DC N1    C2     sing N N 24 
DC N1    C6     sing N N 25 
DC C2    O2     doub N N 26 
DC C2    N3     sing N N 27 
DC N3    C4     doub N N 28 
DC C4    N4     sing N N 29 
DC C4    C5     sing N N 30 
DC N4    H41    sing N N 31 
DC N4    H42    sing N N 32 
DC C5    C6     doub N N 33 
DC C5    H5     sing N N 34 
DC C6    H6     sing N N 35 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1M6A 'double helix'     
1M6A 'parallel strands' 
# 
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 DC 2 1_555 C DC 2 1_555 -2.293 -1.824 -0.001 -20.906 -0.026  -179.967 1 A_DC2:DC2_C A 2 ? C 2 ? 15 2 
1 D DC 1 1_555 B DC 1 1_555 -1.981 -1.477 0.004  5.097   11.246  -179.999 2 D_DC1:DC1_B D 1 ? B 1 ? 15 2 
1 A DC 1 1_555 C DC 1 1_555 1.981  1.477  0.004  -5.110  -11.147 179.976  3 A_DC1:DC1_C A 1 ? C 1 ? 15 2 
1 D DC 2 1_555 B DC 2 1_555 2.294  1.823  0.003  20.919  0.019   179.987  4 D_DC2:DC2_B D 2 ? B 2 ? 15 2 
# 
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 DC 2 1_555 C DC 2 1_555 D DC 1 1_555 B DC 1 1_555 -1.780 3.108  -0.001 -156.226 -89.388 -169.791 -1.554 -0.890 -0.001 44.694  
-78.113 -179.999 1 AD_DC2DC1:DC1DC2_BC A 2 ? C 2 ? D 1 ? B 1 ? 
1 D DC 1 1_555 B DC 1 1_555 A DC 1 1_555 C DC 1 1_555 -1.810 -1.845 0.002  -128.452 125.998 97.901   -0.923 0.905  0.001  63.005  
64.232  179.955  2 DA_DC1DC1:DC1DC1_CB D 1 ? B 1 ? A 1 ? C 1 ? 
1 A DC 1 1_555 C DC 1 1_555 D DC 2 1_555 B DC 2 1_555 -1.776 3.107  0.002  -156.204 -89.333 107.067  1.554  0.887  0.001  -44.669 
78.107  179.967  3 AD_DC1DC2:DC2DC1_BC A 1 ? C 1 ? D 2 ? B 2 ? 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.type              ? 
_pdbx_nmr_spectrometer.manufacturer      HOME-MADE 
_pdbx_nmr_spectrometer.model             HOME-MADE 
_pdbx_nmr_spectrometer.field_strength    360 
# 
_atom_sites.entry_id                    1M6A 
_atom_sites.fract_transf_matrix[1][1]   1.000000 
_atom_sites.fract_transf_matrix[1][2]   0.000000 
_atom_sites.fract_transf_matrix[1][3]   0.000000 
_atom_sites.fract_transf_matrix[2][1]   0.000000 
_atom_sites.fract_transf_matrix[2][2]   1.000000 
_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]   1.000000 
_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 
H 
N 
O 
P 
# 
loop_