data_1G22
# 
_entry.id   1G22 
# 
_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   1G22         pdb_00001g22 10.2210/pdb1g22/pdb 
RCSB  RCSB012136   ?            ?                   
WWPDB D_1000012136 ?            ?                   
# 
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 2001-05-02 
2 'Structure model' 1 1 2008-04-27 
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 4 'Structure model' struct_conn           
6 5 'Structure model' chem_comp_atom        
7 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'             
4 4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag' 
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1G22 
_pdbx_database_status.recvd_initial_deposition_date   2000-10-16 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_pdbx_database_status.status_code_mr                  REL 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.status_code_sf                  ? 
_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 
'Nonin-Lecomte, S.' 1 
'Leroy, J.-L.'      2 
# 
_citation.id                        primary 
_citation.title                     
'Structure of a C-rich strand fragment of the human centromeric satellite III: a pH-dependent intercalation topology.' 
_citation.journal_abbrev            J.Mol.Biol. 
_citation.journal_volume            309 
_citation.page_first                491 
_citation.page_last                 506 
_citation.year                      2001 
_citation.journal_id_ASTM           JMOBAK 
_citation.country                   UK 
_citation.journal_id_ISSN           0022-2836 
_citation.journal_id_CSD            0070 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   11371167 
_citation.pdbx_database_id_DOI      10.1006/jmbi.2001.4679 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Nonin-Lecomte, S.' 1 ? 
primary 'Leroy, J.L.'       2 ? 
# 
_entity.id                         1 
_entity.type                       polymer 
_entity.src_method                 syn 
_entity.pdbx_description           'CENTROMERIC SATELLITE III' 
_entity.formula_weight             4930.254 
_entity.pdbx_number_of_molecules   1 
_entity.pdbx_ec                    ? 
_entity.pdbx_mutation              'T9U, T13U' 
_entity.pdbx_fragment              'C-RICH STRAND FRAGMENT' 
_entity.details                    ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polydeoxyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       '(MCY)(DC)(DA)(DT)(DT)(DC)(DC)(DA)(DU)(DT)(DC)(DC)(DU)(DT)(DT)(DC)(DC)' 
_entity_poly.pdbx_seq_one_letter_code_can   CCATTCCAUTCCUTTCC 
_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  MCY n 
1 2  DC  n 
1 3  DA  n 
1 4  DT  n 
1 5  DT  n 
1 6  DC  n 
1 7  DC  n 
1 8  DA  n 
1 9  DU  n 
1 10 DT  n 
1 11 DC  n 
1 12 DC  n 
1 13 DU  n 
1 14 DT  n 
1 15 DT  n 
1 16 DC  n 
1 17 DC  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                'ccattccattcctttcc occurs naturally in humans' 
# 
loop_
_chem_comp.id 
_chem_comp.type 
_chem_comp.mon_nstd_flag 
_chem_comp.name 
_chem_comp.pdbx_synonyms 
_chem_comp.formula 
_chem_comp.formula_weight 
DA  'DNA linking' y "2'-DEOXYADENOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O6 P' 331.222 
DC  'DNA linking' y "2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE"  ? 'C9 H14 N3 O7 P'  307.197 
DT  'DNA linking' y "THYMIDINE-5'-MONOPHOSPHATE"         ? 'C10 H15 N2 O8 P' 322.208 
DU  'DNA linking' y "2'-DEOXYURIDINE-5'-MONOPHOSPHATE"   ? 'C9 H13 N2 O8 P'  308.182 
MCY 'DNA linking' n "5-METHYL-2'-DEOXYCYTIDINE"          ? 'C10 H15 N3 O4'   241.244 
# 
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  MCY 1  1  1  MCY MCY A . n 
A 1 2  DC  2  2  2  DC  DC  A . n 
A 1 3  DA  3  3  3  DA  DA  A . n 
A 1 4  DT  4  4  4  DT  DT  A . n 
A 1 5  DT  5  5  5  DT  DT  A . n 
A 1 6  DC  6  6  6  DC  DC  A . n 
A 1 7  DC  7  7  7  DC  DC  A . n 
A 1 8  DA  8  8  8  DA  DA  A . n 
A 1 9  DU  9  9  9  DU  DU  A . n 
A 1 10 DT  10 10 10 DT  DT  A . n 
A 1 11 DC  11 11 11 DC  DC  A . n 
A 1 12 DC  12 12 12 DC  DC  A . n 
A 1 13 DU  13 13 13 DU  DU  A . n 
A 1 14 DT  14 14 14 DT  DT  A . n 
A 1 15 DT  15 15 15 DT  DT  A . n 
A 1 16 DC  16 16 16 DC  DC  A . n 
A 1 17 DC  17 17 17 DC  DC  A . n 
# 
_cell.entry_id           1G22 
_cell.length_a           1.000 
_cell.length_b           1.000 
_cell.length_c           1.000 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        90.00 
_cell.Z_PDB              1 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1G22 
_symmetry.space_group_name_H-M             'P 1' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     ? 
_symmetry.Int_Tables_number                1 
# 
_exptl.entry_id          1G22 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_database_PDB_matrix.entry_id          1G22 
_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                  1G22 
_struct.title                     'SOLUTION STRUCTURE OF A MODIFIED HUMAN CENTROMERIC FRAGMENT' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1G22 
_struct_keywords.pdbx_keywords   DNA 
_struct_keywords.text            'DNA SOLUTION STRUCTURE, I-MOTIF, INTERACTING LOOPS, centromere, satellite III, DNA' 
# 
_struct_asym.id                            A 
_struct_asym.pdbx_blank_PDB_chainid_flag   N 
_struct_asym.pdbx_modified                 N 
_struct_asym.entity_id                     1 
_struct_asym.details                       ? 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1G22 
_struct_ref.pdbx_db_accession          1G22 
_struct_ref.pdbx_db_isoform            ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1G22 
_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                 17 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             1G22 
_struct_ref_seq.db_align_beg                  1 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  17 
_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       17 
# 
_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 
# 
_pdbx_struct_oper_list.id                   1 
_pdbx_struct_oper_list.type                 'identity operation' 
_pdbx_struct_oper_list.name                 1_555 
_pdbx_struct_oper_list.symmetry_operation   x,y,z 
_pdbx_struct_oper_list.matrix[1][1]         1.0000000000 
_pdbx_struct_oper_list.matrix[1][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[1][3]         0.0000000000 
_pdbx_struct_oper_list.vector[1]            0.0000000000 
_pdbx_struct_oper_list.matrix[2][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[2][2]         1.0000000000 
_pdbx_struct_oper_list.matrix[2][3]         0.0000000000 
_pdbx_struct_oper_list.vector[2]            0.0000000000 
_pdbx_struct_oper_list.matrix[3][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][3]         1.0000000000 
_pdbx_struct_oper_list.vector[3]            0.0000000000 
# 
_struct_biol.id        1 
_struct_biol.details   ? 
# 
loop_
_struct_conn.id 
_struct_conn.conn_type_id 
_struct_conn.pdbx_leaving_atom_flag 
_struct_conn.pdbx_PDB_id 
_struct_conn.ptnr1_label_asym_id 
_struct_conn.ptnr1_label_comp_id 
_struct_conn.ptnr1_label_seq_id 
_struct_conn.ptnr1_label_atom_id 
_struct_conn.pdbx_ptnr1_label_alt_id 
_struct_conn.pdbx_ptnr1_PDB_ins_code 
_struct_conn.pdbx_ptnr1_standard_comp_id 
_struct_conn.ptnr1_symmetry 
_struct_conn.ptnr2_label_asym_id 
_struct_conn.ptnr2_label_comp_id 
_struct_conn.ptnr2_label_seq_id 
_struct_conn.ptnr2_label_atom_id 
_struct_conn.pdbx_ptnr2_label_alt_id 
_struct_conn.pdbx_ptnr2_PDB_ins_code 
_struct_conn.ptnr1_auth_asym_id 
_struct_conn.ptnr1_auth_comp_id 
_struct_conn.ptnr1_auth_seq_id 
_struct_conn.ptnr2_auth_asym_id 
_struct_conn.ptnr2_auth_comp_id 
_struct_conn.ptnr2_auth_seq_id 
_struct_conn.ptnr2_symmetry 
_struct_conn.pdbx_ptnr3_label_atom_id 
_struct_conn.pdbx_ptnr3_label_seq_id 
_struct_conn.pdbx_ptnr3_label_comp_id 
_struct_conn.pdbx_ptnr3_label_asym_id 
_struct_conn.pdbx_ptnr3_label_alt_id 
_struct_conn.pdbx_ptnr3_PDB_ins_code 
_struct_conn.details 
_struct_conn.pdbx_dist_value 
_struct_conn.pdbx_value_order 
_struct_conn.pdbx_role 
covale1  covale both ? A MCY 1 "O3'" ? ? ? 1_555 A DC 2  P  ? ? A MCY 1 A DC 2  1_555 ? ? ? ? ? ? ?                       1.611 ? 
? 
hydrog1  hydrog ?    ? A MCY 1 N4    ? ? ? 1_555 A DC 11 O2 ? ? A MCY 1 A DC 11 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog2  hydrog ?    ? A MCY 1 O2    ? ? ? 1_555 A DC 11 N4 ? ? A MCY 1 A DC 11 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog3  hydrog ?    ? A DC  2 N4    ? ? ? 1_555 A DC 12 O2 ? ? A DC  2 A DC 12 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog4  hydrog ?    ? A DC  2 O2    ? ? ? 1_555 A DC 12 N4 ? ? A DC  2 A DC 12 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog5  hydrog ?    ? A DA  3 N1    ? ? ? 1_555 A DU 13 N3 ? ? A DA  3 A DU 13 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ?     ? 
? 
hydrog6  hydrog ?    ? A DA  3 N6    ? ? ? 1_555 A DU 13 O2 ? ? A DA  3 A DU 13 1_555 ? ? ? ? ? ? 'REVERSED WATSON-CRICK' ?     ? 
? 
hydrog7  hydrog ?    ? A DC  6 N4    ? ? ? 1_555 A DC 16 O2 ? ? A DC  6 A DC 16 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog8  hydrog ?    ? A DC  6 O2    ? ? ? 1_555 A DC 16 N4 ? ? A DC  6 A DC 16 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog9  hydrog ?    ? A DC  7 N4    ? ? ? 1_555 A DC 17 O2 ? ? A DC  7 A DC 17 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog10 hydrog ?    ? A DC  7 O2    ? ? ? 1_555 A DC 17 N4 ? ? A DC  7 A DC 17 1_555 ? ? ? ? ? ? TYPE_15_PAIR            ?     ? 
? 
hydrog11 hydrog ?    ? A DA  8 N3    ? ? ? 1_555 A DC 11 N4 ? ? A DA  8 A DC 11 1_555 ? ? ? ? ? ? 'DA-DC MISPAIR'         ?     ? 
? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
covale ? ? 
hydrog ? ? 
# 
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 2  ? ? "C1'" A DC 2  ? ? N1 A DC 2  ? ? 110.11 108.30 1.81  0.30 N 
2  1 "O4'" A DA 3  ? ? "C1'" A DA 3  ? ? N9 A DA 3  ? ? 111.49 108.30 3.19  0.30 N 
3  1 N7    A DA 3  ? ? C8    A DA 3  ? ? N9 A DA 3  ? ? 117.56 113.80 3.76  0.50 N 
4  1 "O4'" A DT 4  ? ? "C1'" A DT 4  ? ? N1 A DT 4  ? ? 111.04 108.30 2.74  0.30 N 
5  1 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 110.70 108.30 2.40  0.30 N 
6  1 "O4'" A DC 6  ? ? "C1'" A DC 6  ? ? N1 A DC 6  ? ? 110.65 108.30 2.35  0.30 N 
7  1 "O4'" A DC 7  ? ? "C1'" A DC 7  ? ? N1 A DC 7  ? ? 110.43 108.30 2.13  0.30 N 
8  1 "O4'" A DA 8  ? ? "C1'" A DA 8  ? ? N9 A DA 8  ? ? 111.10 108.30 2.80  0.30 N 
9  1 N7    A DA 8  ? ? C8    A DA 8  ? ? N9 A DA 8  ? ? 117.44 113.80 3.64  0.50 N 
10 1 "O4'" A DU 9  ? ? "C1'" A DU 9  ? ? N1 A DU 9  ? ? 111.67 108.30 3.37  0.30 N 
11 1 "O4'" A DT 10 ? ? "C1'" A DT 10 ? ? N1 A DT 10 ? ? 111.21 108.30 2.91  0.30 N 
12 1 "O4'" A DC 11 ? ? "C1'" A DC 11 ? ? N1 A DC 11 ? ? 110.70 108.30 2.40  0.30 N 
13 1 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 110.66 108.30 2.36  0.30 N 
14 1 "O4'" A DU 13 ? ? "C1'" A DU 13 ? ? N1 A DU 13 ? ? 111.06 108.30 2.76  0.30 N 
15 1 "O4'" A DT 14 ? ? "C1'" A DT 14 ? ? N1 A DT 14 ? ? 110.57 108.30 2.27  0.30 N 
16 1 C6    A DT 14 ? ? C5    A DT 14 ? ? C7 A DT 14 ? ? 119.04 122.90 -3.86 0.60 N 
17 1 "O4'" A DT 15 ? ? "C1'" A DT 15 ? ? N1 A DT 15 ? ? 110.63 108.30 2.33  0.30 N 
18 1 "O4'" A DC 16 ? ? "C1'" A DC 16 ? ? N1 A DC 16 ? ? 110.71 108.30 2.41  0.30 N 
19 1 "O4'" A DC 17 ? ? "C1'" A DC 17 ? ? N1 A DC 17 ? ? 110.68 108.30 2.38  0.30 N 
# 
_pdbx_struct_mod_residue.id               1 
_pdbx_struct_mod_residue.label_asym_id    A 
_pdbx_struct_mod_residue.label_comp_id    MCY 
_pdbx_struct_mod_residue.label_seq_id     1 
_pdbx_struct_mod_residue.auth_asym_id     A 
_pdbx_struct_mod_residue.auth_comp_id     MCY 
_pdbx_struct_mod_residue.auth_seq_id      1 
_pdbx_struct_mod_residue.PDB_ins_code     ? 
_pdbx_struct_mod_residue.parent_comp_id   DC 
_pdbx_struct_mod_residue.details          "5-METHYL-2'-DEOXYCYTIDINE" 
# 
_pdbx_nmr_ensemble.entry_id                                      1G22 
_pdbx_nmr_ensemble.conformers_calculated_total_number            100 
_pdbx_nmr_ensemble.conformers_submitted_total_number             1 
_pdbx_nmr_ensemble.conformer_selection_criteria                  'structures with the least restraint violations' 
_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             1G22 
_pdbx_nmr_representative.conformer_id         1 
_pdbx_nmr_representative.selection_criteria   'fewest violations and lowest energy' 
# 
_pdbx_nmr_sample_details.solution_id      1 
_pdbx_nmr_sample_details.contents         '1 mM OF UNLABELED DNA' 
_pdbx_nmr_sample_details.solvent_system   H2O 
# 
_pdbx_nmr_exptl_sample_conditions.conditions_id       1 
_pdbx_nmr_exptl_sample_conditions.temperature         288 
_pdbx_nmr_exptl_sample_conditions.pressure            AMBIENT 
_pdbx_nmr_exptl_sample_conditions.pH                  5.8 
_pdbx_nmr_exptl_sample_conditions.ionic_strength      '~10mM NaCL' 
_pdbx_nmr_exptl_sample_conditions.pressure_units      ? 
_pdbx_nmr_exptl_sample_conditions.temperature_units   K 
# 
loop_
_pdbx_nmr_exptl.experiment_id 
_pdbx_nmr_exptl.conditions_id 
_pdbx_nmr_exptl.type 
_pdbx_nmr_exptl.solution_id 
1 1 '2D NOESY'            1 
2 1 DQF-COSY              1 
3 1 TOCSY                 1 
4 1 '31P-1H HETERO-TOCSY' 1 
5 1 '13C-1H HSQC'         1 
6 1 HMBC                  1 
7 1 '31P-1H HETERO-COSY'  1 
# 
_pdbx_nmr_details.entry_id   1G22 
_pdbx_nmr_details.text       
'THE STRUCTURE WAS DETERMINED USING 2D HOMONUCLEAR AND NATURAL ABUNDANCE HETERONUCLEAR TECHNIQUES AT A TEMPERATURES 260-288.' 
# 
_pdbx_nmr_refine.entry_id           1G22 
_pdbx_nmr_refine.method             'NMR-BASED SIMULATED ANNEALING' 
_pdbx_nmr_refine.details            ? 
_pdbx_nmr_refine.software_ordinal   1 
# 
loop_
_pdbx_nmr_software.classification 
_pdbx_nmr_software.name 
_pdbx_nmr_software.version 
_pdbx_nmr_software.authors 
_pdbx_nmr_software.ordinal 
refinement      X-PLOR 3.851 'BRUNGER, A.T.'    1 
processing      Felix  98    MSI                2 
collection      VNMR   6.2   VARIAN             3 
'data analysis' MOLMOL 2.4   'Koradi et al.'    4 
'data analysis' Curves ?     'Lavery & Sklenar' 5 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.pdbx_ordinal 
DA  OP3    O N N 1   
DA  P      P N N 2   
DA  OP1    O N N 3   
DA  OP2    O N N 4   
DA  "O5'"  O N N 5   
DA  "C5'"  C N N 6   
DA  "C4'"  C N R 7   
DA  "O4'"  O N N 8   
DA  "C3'"  C N S 9   
DA  "O3'"  O N N 10  
DA  "C2'"  C N N 11  
DA  "C1'"  C N R 12  
DA  N9     N Y N 13  
DA  C8     C Y N 14  
DA  N7     N Y N 15  
DA  C5     C Y N 16  
DA  C6     C Y N 17  
DA  N6     N N N 18  
DA  N1     N Y N 19  
DA  C2     C Y N 20  
DA  N3     N Y N 21  
DA  C4     C Y N 22  
DA  HOP3   H N N 23  
DA  HOP2   H N N 24  
DA  "H5'"  H N N 25  
DA  "H5''" H N N 26  
DA  "H4'"  H N N 27  
DA  "H3'"  H N N 28  
DA  "HO3'" H N N 29  
DA  "H2'"  H N N 30  
DA  "H2''" H N N 31  
DA  "H1'"  H N N 32  
DA  H8     H N N 33  
DA  H61    H N N 34  
DA  H62    H N N 35  
DA  H2     H N N 36  
DC  OP3    O N N 37  
DC  P      P N N 38  
DC  OP1    O N N 39  
DC  OP2    O N N 40  
DC  "O5'"  O N N 41  
DC  "C5'"  C N N 42  
DC  "C4'"  C N R 43  
DC  "O4'"  O N N 44  
DC  "C3'"  C N S 45  
DC  "O3'"  O N N 46  
DC  "C2'"  C N N 47  
DC  "C1'"  C N R 48  
DC  N1     N N N 49  
DC  C2     C N N 50  
DC  O2     O N N 51  
DC  N3     N N N 52  
DC  C4     C N N 53  
DC  N4     N N N 54  
DC  C5     C N N 55  
DC  C6     C N N 56  
DC  HOP3   H N N 57  
DC  HOP2   H N N 58  
DC  "H5'"  H N N 59  
DC  "H5''" H N N 60  
DC  "H4'"  H N N 61  
DC  "H3'"  H N N 62  
DC  "HO3'" H N N 63  
DC  "H2'"  H N N 64  
DC  "H2''" H N N 65  
DC  "H1'"  H N N 66  
DC  H41    H N N 67  
DC  H42    H N N 68  
DC  H5     H N N 69  
DC  H6     H N N 70  
DT  OP3    O N N 71  
DT  P      P N N 72  
DT  OP1    O N N 73  
DT  OP2    O N N 74  
DT  "O5'"  O N N 75  
DT  "C5'"  C N N 76  
DT  "C4'"  C N R 77  
DT  "O4'"  O N N 78  
DT  "C3'"  C N S 79  
DT  "O3'"  O N N 80  
DT  "C2'"  C N N 81  
DT  "C1'"  C N R 82  
DT  N1     N N N 83  
DT  C2     C N N 84  
DT  O2     O N N 85  
DT  N3     N N N 86  
DT  C4     C N N 87  
DT  O4     O N N 88  
DT  C5     C N N 89  
DT  C7     C N N 90  
DT  C6     C N N 91  
DT  HOP3   H N N 92  
DT  HOP2   H N N 93  
DT  "H5'"  H N N 94  
DT  "H5''" H N N 95  
DT  "H4'"  H N N 96  
DT  "H3'"  H N N 97  
DT  "HO3'" H N N 98  
DT  "H2'"  H N N 99  
DT  "H2''" H N N 100 
DT  "H1'"  H N N 101 
DT  H3     H N N 102 
DT  H71    H N N 103 
DT  H72    H N N 104 
DT  H73    H N N 105 
DT  H6     H N N 106 
DU  OP3    O N N 107 
DU  P      P N N 108 
DU  OP1    O N N 109 
DU  OP2    O N N 110 
DU  "O5'"  O N N 111 
DU  "C5'"  C N N 112 
DU  "C4'"  C N R 113 
DU  "O4'"  O N N 114 
DU  "C3'"  C N S 115 
DU  "O3'"  O N N 116 
DU  "C2'"  C N N 117 
DU  "C1'"  C N R 118 
DU  N1     N N N 119 
DU  C2     C N N 120 
DU  O2     O N N 121 
DU  N3     N N N 122 
DU  C4     C N N 123 
DU  O4     O N N 124 
DU  C5     C N N 125 
DU  C6     C N N 126 
DU  HOP3   H N N 127 
DU  HOP2   H N N 128 
DU  "H5'"  H N N 129 
DU  "H5''" H N N 130 
DU  "H4'"  H N N 131 
DU  "H3'"  H N N 132 
DU  "HO3'" H N N 133 
DU  "H2'"  H N N 134 
DU  "H2''" H N N 135 
DU  "H1'"  H N N 136 
DU  H3     H N N 137 
DU  H5     H N N 138 
DU  H6     H N N 139 
MCY N1     N N N 140 
MCY C2     C N N 141 
MCY N3     N N N 142 
MCY C4     C N N 143 
MCY C5     C N N 144 
MCY C6     C N N 145 
MCY O2     O N N 146 
MCY N4     N N N 147 
MCY "C1'"  C N R 148 
MCY "C2'"  C N N 149 
MCY "C3'"  C N S 150 
MCY "C4'"  C N R 151 
MCY "O4'"  O N N 152 
MCY "O3'"  O N N 153 
MCY "C5'"  C N N 154 
MCY "O5'"  O N N 155 
MCY C5A    C N N 156 
MCY H6     H N N 157 
MCY HN41   H N N 158 
MCY HN42   H N N 159 
MCY "H1'"  H N N 160 
MCY "H2'"  H N N 161 
MCY "H2''" H N N 162 
MCY "H3'"  H N N 163 
MCY "H4'"  H N N 164 
MCY "HO3'" H N N 165 
MCY "H5'"  H N N 166 
MCY "H5''" H N N 167 
MCY "HO5'" H N N 168 
MCY H5A1   H N N 169 
MCY H5A2   H N N 170 
MCY H5A3   H N N 171 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
DA  OP3   P      sing N N 1   
DA  OP3   HOP3   sing N N 2   
DA  P     OP1    doub N N 3   
DA  P     OP2    sing N N 4   
DA  P     "O5'"  sing N N 5   
DA  OP2   HOP2   sing N N 6   
DA  "O5'" "C5'"  sing N N 7   
DA  "C5'" "C4'"  sing N N 8   
DA  "C5'" "H5'"  sing N N 9   
DA  "C5'" "H5''" sing N N 10  
DA  "C4'" "O4'"  sing N N 11  
DA  "C4'" "C3'"  sing N N 12  
DA  "C4'" "H4'"  sing N N 13  
DA  "O4'" "C1'"  sing N N 14  
DA  "C3'" "O3'"  sing N N 15  
DA  "C3'" "C2'"  sing N N 16  
DA  "C3'" "H3'"  sing N N 17  
DA  "O3'" "HO3'" sing N N 18  
DA  "C2'" "C1'"  sing N N 19  
DA  "C2'" "H2'"  sing N N 20  
DA  "C2'" "H2''" sing N N 21  
DA  "C1'" N9     sing N N 22  
DA  "C1'" "H1'"  sing N N 23  
DA  N9    C8     sing Y N 24  
DA  N9    C4     sing Y N 25  
DA  C8    N7     doub Y N 26  
DA  C8    H8     sing N N 27  
DA  N7    C5     sing Y N 28  
DA  C5    C6     sing Y N 29  
DA  C5    C4     doub Y N 30  
DA  C6    N6     sing N N 31  
DA  C6    N1     doub Y N 32  
DA  N6    H61    sing N N 33  
DA  N6    H62    sing N N 34  
DA  N1    C2     sing Y N 35  
DA  C2    N3     doub Y N 36  
DA  C2    H2     sing N N 37  
DA  N3    C4     sing Y N 38  
DC  OP3   P      sing N N 39  
DC  OP3   HOP3   sing N N 40  
DC  P     OP1    doub N N 41  
DC  P     OP2    sing N N 42  
DC  P     "O5'"  sing N N 43  
DC  OP2   HOP2   sing N N 44  
DC  "O5'" "C5'"  sing N N 45  
DC  "C5'" "C4'"  sing N N 46  
DC  "C5'" "H5'"  sing N N 47  
DC  "C5'" "H5''" sing N N 48  
DC  "C4'" "O4'"  sing N N 49  
DC  "C4'" "C3'"  sing N N 50  
DC  "C4'" "H4'"  sing N N 51  
DC  "O4'" "C1'"  sing N N 52  
DC  "C3'" "O3'"  sing N N 53  
DC  "C3'" "C2'"  sing N N 54  
DC  "C3'" "H3'"  sing N N 55  
DC  "O3'" "HO3'" sing N N 56  
DC  "C2'" "C1'"  sing N N 57  
DC  "C2'" "H2'"  sing N N 58  
DC  "C2'" "H2''" sing N N 59  
DC  "C1'" N1     sing N N 60  
DC  "C1'" "H1'"  sing N N 61  
DC  N1    C2     sing N N 62  
DC  N1    C6     sing N N 63  
DC  C2    O2     doub N N 64  
DC  C2    N3     sing N N 65  
DC  N3    C4     doub N N 66  
DC  C4    N4     sing N N 67  
DC  C4    C5     sing N N 68  
DC  N4    H41    sing N N 69  
DC  N4    H42    sing N N 70  
DC  C5    C6     doub N N 71  
DC  C5    H5     sing N N 72  
DC  C6    H6     sing N N 73  
DT  OP3   P      sing N N 74  
DT  OP3   HOP3   sing N N 75  
DT  P     OP1    doub N N 76  
DT  P     OP2    sing N N 77  
DT  P     "O5'"  sing N N 78  
DT  OP2   HOP2   sing N N 79  
DT  "O5'" "C5'"  sing N N 80  
DT  "C5'" "C4'"  sing N N 81  
DT  "C5'" "H5'"  sing N N 82  
DT  "C5'" "H5''" sing N N 83  
DT  "C4'" "O4'"  sing N N 84  
DT  "C4'" "C3'"  sing N N 85  
DT  "C4'" "H4'"  sing N N 86  
DT  "O4'" "C1'"  sing N N 87  
DT  "C3'" "O3'"  sing N N 88  
DT  "C3'" "C2'"  sing N N 89  
DT  "C3'" "H3'"  sing N N 90  
DT  "O3'" "HO3'" sing N N 91  
DT  "C2'" "C1'"  sing N N 92  
DT  "C2'" "H2'"  sing N N 93  
DT  "C2'" "H2''" sing N N 94  
DT  "C1'" N1     sing N N 95  
DT  "C1'" "H1'"  sing N N 96  
DT  N1    C2     sing N N 97  
DT  N1    C6     sing N N 98  
DT  C2    O2     doub N N 99  
DT  C2    N3     sing N N 100 
DT  N3    C4     sing N N 101 
DT  N3    H3     sing N N 102 
DT  C4    O4     doub N N 103 
DT  C4    C5     sing N N 104 
DT  C5    C7     sing N N 105 
DT  C5    C6     doub N N 106 
DT  C7    H71    sing N N 107 
DT  C7    H72    sing N N 108 
DT  C7    H73    sing N N 109 
DT  C6    H6     sing N N 110 
DU  OP3   P      sing N N 111 
DU  OP3   HOP3   sing N N 112 
DU  P     OP1    doub N N 113 
DU  P     OP2    sing N N 114 
DU  P     "O5'"  sing N N 115 
DU  OP2   HOP2   sing N N 116 
DU  "O5'" "C5'"  sing N N 117 
DU  "C5'" "C4'"  sing N N 118 
DU  "C5'" "H5'"  sing N N 119 
DU  "C5'" "H5''" sing N N 120 
DU  "C4'" "O4'"  sing N N 121 
DU  "C4'" "C3'"  sing N N 122 
DU  "C4'" "H4'"  sing N N 123 
DU  "O4'" "C1'"  sing N N 124 
DU  "C3'" "O3'"  sing N N 125 
DU  "C3'" "C2'"  sing N N 126 
DU  "C3'" "H3'"  sing N N 127 
DU  "O3'" "HO3'" sing N N 128 
DU  "C2'" "C1'"  sing N N 129 
DU  "C2'" "H2'"  sing N N 130 
DU  "C2'" "H2''" sing N N 131 
DU  "C1'" N1     sing N N 132 
DU  "C1'" "H1'"  sing N N 133 
DU  N1    C2     sing N N 134 
DU  N1    C6     sing N N 135 
DU  C2    O2     doub N N 136 
DU  C2    N3     sing N N 137 
DU  N3    C4     sing N N 138 
DU  N3    H3     sing N N 139 
DU  C4    O4     doub N N 140 
DU  C4    C5     sing N N 141 
DU  C5    C6     doub N N 142 
DU  C5    H5     sing N N 143 
DU  C6    H6     sing N N 144 
MCY N1    C2     sing N N 145 
MCY N1    C6     sing N N 146 
MCY N1    "C1'"  sing N N 147 
MCY C2    N3     sing N N 148 
MCY C2    O2     doub N N 149 
MCY N3    C4     doub N N 150 
MCY C4    C5     sing N N 151 
MCY C4    N4     sing N N 152 
MCY C5    C6     doub N N 153 
MCY C5    C5A    sing N N 154 
MCY C6    H6     sing N N 155 
MCY N4    HN41   sing N N 156 
MCY N4    HN42   sing N N 157 
MCY "C1'" "C2'"  sing N N 158 
MCY "C1'" "O4'"  sing N N 159 
MCY "C1'" "H1'"  sing N N 160 
MCY "C2'" "C3'"  sing N N 161 
MCY "C2'" "H2'"  sing N N 162 
MCY "C2'" "H2''" sing N N 163 
MCY "C3'" "C4'"  sing N N 164 
MCY "C3'" "O3'"  sing N N 165 
MCY "C3'" "H3'"  sing N N 166 
MCY "C4'" "O4'"  sing N N 167 
MCY "C4'" "C5'"  sing N N 168 
MCY "C4'" "H4'"  sing N N 169 
MCY "O3'" "HO3'" sing N N 170 
MCY "C5'" "O5'"  sing N N 171 
MCY "C5'" "H5'"  sing N N 172 
MCY "C5'" "H5''" sing N N 173 
MCY "O5'" "HO5'" sing N N 174 
MCY C5A   H5A1   sing N N 175 
MCY C5A   H5A2   sing N N 176 
MCY C5A   H5A3   sing N N 177 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1G22 'double helix'         
1G22 'parallel strands'     
1G22 'mismatched base pair' 
1G22 'internal loop'        
# 
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 MCY 1 1_555 A DC 11 1_555 2.421  2.091  -0.419 -5.448  -7.198  178.522  1 A_MCY1:DC11_A A 1 ? A 11 ? 15 2 
1 A DC  7 1_555 A DC 17 1_555 2.130  1.852  0.353  6.723   -5.296  177.363  2 A_DC7:DC17_A  A 7 ? A 17 ? 15 2 
1 A DC  2 1_555 A DC 12 1_555 -2.201 -1.893 -0.007 -3.484  8.967   -179.820 3 A_DC2:DC12_A  A 2 ? A 12 ? 15 2 
1 A DC  6 1_555 A DC 16 1_555 -2.115 -1.839 0.039  7.368   17.540  -179.847 4 A_DC6:DC16_A  A 6 ? A 16 ? 15 2 
1 A DA  3 1_555 A DU 13 1_555 -0.066 1.412  -0.243 -33.578 -18.194 164.604  5 A_DA3:DU13_A  A 3 ? A 13 ? 21 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 MCY 1 1_555 A DC 11 1_555 A DC 7 1_555 A DC 17 1_555 -1.597 2.292  0.111 139.900  99.282   -35.646  -1.175 -0.764 0.011 
-51.337 72.339  -171.955 1 AA_MCY1DC7:DC17DC11_AA A 1 ? A 11 ? A 7 ? A 17 ? 
1 A DC  7 1_555 A DC 17 1_555 A DC 2 1_555 A DC 12 1_555 -3.204 -1.629 0.313 89.580   -143.878 -150.780 0.853  -1.579 0.381 72.083 
44.879  -177.351 2 AA_DC7DC2:DC12DC17_AA  A 7 ? A 17 ? A 2 ? A 12 ? 
1 A DC  2 1_555 A DC 12 1_555 A DC 6 1_555 A DC 16 1_555 -1.726 1.866  0.522 137.429  109.089  126.697  0.867  0.947  0.380 54.694 
-68.903 177.965  3 AA_DC2DC6:DC16DC12_AA  A 2 ? A 12 ? A 6 ? A 16 ? 
1 A DC  6 1_555 A DC 16 1_555 A DA 3 1_555 A DU 13 1_555 3.699  1.477  1.066 -101.529 133.090  -131.269 -0.951 1.690  1.411 
-66.988 -51.102 -174.808 4 AA_DC6DA3:DU13DC16_AA  A 6 ? A 16 ? A 3 ? A 13 ? 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.model             INOVA 
_pdbx_nmr_spectrometer.manufacturer      Varian 
_pdbx_nmr_spectrometer.field_strength    500 
_pdbx_nmr_spectrometer.type              ? 
# 
_atom_sites.entry_id                    1G22 
_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_