data_1AC3
# 
_entry.id   1AC3 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.390 
_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   1AC3         pdb_00001ac3 10.2210/pdb1ac3/pdb 
WWPDB D_1000170640 ?            ?                   
# 
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 1997-06-16 
2 'Structure model' 1 1 2008-03-24 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2019-07-31 
5 'Structure model' 2 0 2020-07-22 
6 'Structure model' 2 1 2024-04-10 
# 
_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' 'Derived calculations'      
5  4 'Structure model' Other                       
6  4 'Structure model' 'Structure summary'         
7  5 'Structure model' 'Derived calculations'      
8  5 'Structure model' 'Polymer sequence'          
9  6 'Structure model' 'Data collection'           
10 6 'Structure model' 'Database references'       
11 6 'Structure model' 'Derived calculations'      
# 
loop_
_pdbx_audit_revision_category.ordinal 
_pdbx_audit_revision_category.revision_ordinal 
_pdbx_audit_revision_category.data_content_type 
_pdbx_audit_revision_category.category 
1  4 'Structure model' chem_comp                    
2  4 'Structure model' ndb_struct_na_base_pair      
3  4 'Structure model' ndb_struct_na_base_pair_step 
4  4 'Structure model' pdbx_database_status         
5  4 'Structure model' pdbx_struct_assembly         
6  4 'Structure model' pdbx_struct_oper_list        
7  4 'Structure model' struct_conn                  
8  4 'Structure model' struct_keywords              
9  5 'Structure model' entity_poly                  
10 5 'Structure model' pdbx_struct_assembly         
11 5 'Structure model' pdbx_struct_assembly_gen     
12 6 'Structure model' chem_comp_atom               
13 6 'Structure model' chem_comp_bond               
14 6 'Structure model' database_2                   
15 6 'Structure model' struct_conn                  
# 
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' '_chem_comp.type'                           
2  4 'Structure model' '_ndb_struct_na_base_pair.buckle'           
3  4 'Structure model' '_ndb_struct_na_base_pair_step.tilt'        
4  4 'Structure model' '_pdbx_database_status.process_site'        
5  4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag'       
6  4 'Structure model' '_struct_keywords.text'                     
7  5 'Structure model' '_entity_poly.pdbx_seq_one_letter_code_can' 
8  6 'Structure model' '_database_2.pdbx_DOI'                      
9  6 'Structure model' '_database_2.pdbx_database_accession'       
10 6 'Structure model' '_struct_conn.ptnr1_auth_comp_id'           
11 6 'Structure model' '_struct_conn.ptnr1_auth_seq_id'            
12 6 'Structure model' '_struct_conn.ptnr1_label_atom_id'          
13 6 'Structure model' '_struct_conn.ptnr1_label_comp_id'          
14 6 'Structure model' '_struct_conn.ptnr1_label_seq_id'           
15 6 'Structure model' '_struct_conn.ptnr2_auth_comp_id'           
16 6 'Structure model' '_struct_conn.ptnr2_auth_seq_id'            
17 6 'Structure model' '_struct_conn.ptnr2_label_atom_id'          
18 6 'Structure model' '_struct_conn.ptnr2_label_comp_id'          
19 6 'Structure model' '_struct_conn.ptnr2_label_seq_id'           
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1AC3 
_pdbx_database_status.recvd_initial_deposition_date   1997-02-11 
_pdbx_database_status.deposit_site                    ? 
_pdbx_database_status.process_site                    BNL 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_mr                  ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.methods_development_category    ? 
_pdbx_database_status.status_code_nmr_data            ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Cross, C.W.' 1 
'Rice, J.S.'  2 
'Gao, X.'     3 
# 
_citation.id                        primary 
_citation.title                     
;Solution structure of an RNA x DNA hybrid duplex containing a 3'-thioformacetal linker and an RNA A-tract.
;
_citation.journal_abbrev            Biochemistry 
_citation.journal_volume            36 
_citation.page_first                4096 
_citation.page_last                 4107 
_citation.year                      1997 
_citation.journal_id_ASTM           BICHAW 
_citation.country                   US 
_citation.journal_id_ISSN           0006-2960 
_citation.journal_id_CSD            0033 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   9100003 
_citation.pdbx_database_id_DOI      10.1021/bi962382k 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Cross, C.W.' 1 ? 
primary 'Rice, J.S.'  2 ? 
primary 'Gao, X.'     3 ? 
# 
loop_
_entity.id 
_entity.type 
_entity.src_method 
_entity.pdbx_description 
_entity.formula_weight 
_entity.pdbx_number_of_molecules 
_entity.pdbx_ec 
_entity.pdbx_mutation 
_entity.pdbx_fragment 
_entity.details 
1 polymer syn 'ANTISENSE HYBRID DUPLEX'              3595.477 1 ? ? ? 
;T6-3'-THIOFORMACETAL IN THE DNA STRAND
;
2 polymer syn 
;DNA (5'-D(*(TCP)P*TP*GP*CP*GP*C)-3')
;
3873.416 1 ? ? ? 
;T6-3'-THIOFORMACETAL IN THE DNA STRAND
;
# 
loop_
_entity_poly.entity_id 
_entity_poly.type 
_entity_poly.nstd_linkage 
_entity_poly.nstd_monomer 
_entity_poly.pdbx_seq_one_letter_code 
_entity_poly.pdbx_seq_one_letter_code_can 
_entity_poly.pdbx_strand_id 
_entity_poly.pdbx_target_identifier 
1 polydeoxyribonucleotide no yes '(DC)(DG)(DC)(DG)(DT)(TSP)(TCP)(DT)(DG)(DC)(DG)(DC)' CGCGTTTTGCGC A ? 
2 polyribonucleotide      no no  GCGCAAAACGCG                                         GCGCAAAACGCG B ? 
# 
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  DG  n 
1 3  DC  n 
1 4  DG  n 
1 5  DT  n 
1 6  TSP n 
1 7  TCP n 
1 8  DT  n 
1 9  DG  n 
1 10 DC  n 
1 11 DG  n 
1 12 DC  n 
2 1  G   n 
2 2  C   n 
2 3  G   n 
2 4  C   n 
2 5  A   n 
2 6  A   n 
2 7  A   n 
2 8  A   n 
2 9  C   n 
2 10 G   n 
2 11 C   n 
2 12 G   n 
# 
loop_
_chem_comp.id 
_chem_comp.type 
_chem_comp.mon_nstd_flag 
_chem_comp.name 
_chem_comp.pdbx_synonyms 
_chem_comp.formula 
_chem_comp.formula_weight 
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 
DC  'DNA linking' y "2'-DEOXYCYTIDINE-5'-MONOPHOSPHATE"  ? 'C9 H14 N3 O7 P'    307.197 
DG  'DNA linking' y "2'-DEOXYGUANOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O7 P'   347.221 
DT  'DNA linking' y "THYMIDINE-5'-MONOPHOSPHATE"         ? 'C10 H15 N2 O8 P'   322.208 
G   'RNA linking' y "GUANOSINE-5'-MONOPHOSPHATE"         ? 'C10 H14 N5 O8 P'   363.221 
TCP 'DNA linking' n "5'-METHYLTHYMIDINE"                 ? 'C11 H16 N2 O5'     256.255 
TSP 'DNA linking' n "3'-THIO-THYMIDINE-5'-PHOSPHATE"     ? 'C10 H15 N2 O7 P S' 338.274 
# 
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  C   A . n 
A 1 2  DG  2  2  2  DG  G   A . n 
A 1 3  DC  3  3  3  DC  C   A . n 
A 1 4  DG  4  4  4  DG  G   A . n 
A 1 5  DT  5  5  5  DT  T   A . n 
A 1 6  TSP 6  6  6  TSP TSP A . n 
A 1 7  TCP 7  7  7  TCP TCP A . n 
A 1 8  DT  8  8  8  DT  T   A . n 
A 1 9  DG  9  9  9  DG  G   A . n 
A 1 10 DC  10 10 10 DC  C   A . n 
A 1 11 DG  11 11 11 DG  G   A . n 
A 1 12 DC  12 12 12 DC  C   A . n 
B 2 1  G   1  13 13 G   G   B . n 
B 2 2  C   2  14 14 C   C   B . n 
B 2 3  G   3  15 15 G   G   B . n 
B 2 4  C   4  16 16 C   C   B . n 
B 2 5  A   5  17 17 A   A   B . n 
B 2 6  A   6  18 18 A   A   B . n 
B 2 7  A   7  19 19 A   A   B . n 
B 2 8  A   8  20 20 A   A   B . n 
B 2 9  C   9  21 21 C   C   B . n 
B 2 10 G   10 22 22 G   G   B . n 
B 2 11 C   11 23 23 C   C   B . n 
B 2 12 G   12 24 24 G   G   B . n 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR 'model building' . ? 1 
X-PLOR refinement       . ? 2 
X-PLOR phasing          . ? 3 
# 
_cell.entry_id           1AC3 
_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                         1AC3 
_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          1AC3 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_database_PDB_matrix.entry_id          1AC3 
_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                  1AC3 
_struct.title                     
;SOLUTION STRUCTURE OF AN RNA-DNA HYBRID DUPLEX CONTAINING A 3'-THIOFORMACETAL LINKER AND AN RNA A-TRACT, NMR, 8 STRUCTURES
;
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1AC3 
_struct_keywords.pdbx_keywords   'DNA-RNA HYBRID' 
_struct_keywords.text            
'RNA, DNA, ANTISENSE OLIGONUCLEOTIDES, THIOFORMACETAL BACKBONE MODIFICATION, HYBRID DUPLEX, DNA-RNA HYBRID COMPLEX, DNA-RNA HYBRID' 
# 
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 ? 
# 
loop_
_struct_ref.id 
_struct_ref.db_name 
_struct_ref.db_code 
_struct_ref.entity_id 
_struct_ref.pdbx_seq_one_letter_code 
_struct_ref.pdbx_align_begin 
_struct_ref.pdbx_db_accession 
_struct_ref.pdbx_db_isoform 
1 PDB 1AC3 1 ? ? 1AC3 ? 
2 PDB 1AC3 2 ? ? 1AC3 ? 
# 
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 1AC3 A 1 ? 12 ? 1AC3 1  ? 12 ? 1  12 
2 2 1AC3 B 1 ? 12 ? 1AC3 13 ? 24 ? 13 24 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   dimeric 
_pdbx_struct_assembly.oligomeric_count     2 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A,B 
# 
_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   ? 
_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_
_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 DT  5  "O3'" ? ? ? 1_555 A TSP 6  P  ? ? A DT  5  A TSP 6  1_555 ? ? ? ? ? ? ?            1.610 ? ? 
covale2  covale none ? A TSP 6  "S3'" ? ? ? 1_555 A TCP 7  CP ? ? A TSP 6  A TCP 7  1_555 ? ? ? ? ? ? ?            1.810 ? ? 
covale3  covale both ? A TCP 7  "O3'" ? ? ? 1_555 A DT  8  P  ? ? A TCP 7  A DT  8  1_555 ? ? ? ? ? ? ?            1.610 ? ? 
hydrog1  hydrog ?    ? A DC  1  N3    ? ? ? 1_555 B G   12 N1 ? ? A DC  1  B G   24 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog2  hydrog ?    ? A DC  1  N4    ? ? ? 1_555 B G   12 O6 ? ? A DC  1  B G   24 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog3  hydrog ?    ? A DC  1  O2    ? ? ? 1_555 B G   12 N2 ? ? A DC  1  B G   24 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog4  hydrog ?    ? A DG  2  N1    ? ? ? 1_555 B C   11 N3 ? ? A DG  2  B C   23 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog5  hydrog ?    ? A DG  2  N2    ? ? ? 1_555 B C   11 O2 ? ? A DG  2  B C   23 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog6  hydrog ?    ? A DG  2  O6    ? ? ? 1_555 B C   11 N4 ? ? A DG  2  B C   23 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog7  hydrog ?    ? A DC  3  N3    ? ? ? 1_555 B G   10 N1 ? ? A DC  3  B G   22 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog8  hydrog ?    ? A DC  3  N4    ? ? ? 1_555 B G   10 O6 ? ? A DC  3  B G   22 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog9  hydrog ?    ? A DC  3  O2    ? ? ? 1_555 B G   10 N2 ? ? A DC  3  B G   22 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog10 hydrog ?    ? A DG  4  N1    ? ? ? 1_555 B C   9  N3 ? ? A DG  4  B C   21 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog11 hydrog ?    ? A DG  4  N2    ? ? ? 1_555 B C   9  O2 ? ? A DG  4  B C   21 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog12 hydrog ?    ? A DG  4  O6    ? ? ? 1_555 B C   9  N4 ? ? A DG  4  B C   21 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog13 hydrog ?    ? A DT  5  N3    ? ? ? 1_555 B A   8  N1 ? ? A DT  5  B A   20 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog14 hydrog ?    ? A DT  5  O4    ? ? ? 1_555 B A   8  N6 ? ? A DT  5  B A   20 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog15 hydrog ?    ? A TSP 6  N3    ? ? ? 1_555 B A   7  N1 ? ? A TSP 6  B A   19 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog16 hydrog ?    ? A TSP 6  O4    ? ? ? 1_555 B A   7  N6 ? ? A TSP 6  B A   19 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog17 hydrog ?    ? A TCP 7  N3    ? ? ? 1_555 B A   6  N1 ? ? A TCP 7  B A   18 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog18 hydrog ?    ? A TCP 7  O4    ? ? ? 1_555 B A   6  N6 ? ? A TCP 7  B A   18 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog19 hydrog ?    ? A DT  8  N3    ? ? ? 1_555 B A   5  N1 ? ? A DT  8  B A   17 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog20 hydrog ?    ? A DT  8  O4    ? ? ? 1_555 B A   5  N6 ? ? A DT  8  B A   17 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog21 hydrog ?    ? A DG  9  N1    ? ? ? 1_555 B C   4  N3 ? ? A DG  9  B C   16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog22 hydrog ?    ? A DG  9  N2    ? ? ? 1_555 B C   4  O2 ? ? A DG  9  B C   16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog23 hydrog ?    ? A DG  9  O6    ? ? ? 1_555 B C   4  N4 ? ? A DG  9  B C   16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog24 hydrog ?    ? A DC  10 N3    ? ? ? 1_555 B G   3  N1 ? ? A DC  10 B G   15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog25 hydrog ?    ? A DC  10 N4    ? ? ? 1_555 B G   3  O6 ? ? A DC  10 B G   15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog26 hydrog ?    ? A DC  10 O2    ? ? ? 1_555 B G   3  N2 ? ? A DC  10 B G   15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog27 hydrog ?    ? A DG  11 N1    ? ? ? 1_555 B C   2  N3 ? ? A DG  11 B C   14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog28 hydrog ?    ? A DG  11 N2    ? ? ? 1_555 B C   2  O2 ? ? A DG  11 B C   14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog29 hydrog ?    ? A DG  11 O6    ? ? ? 1_555 B C   2  N4 ? ? A DG  11 B C   14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog30 hydrog ?    ? A DC  12 N3    ? ? ? 1_555 B G   1  N1 ? ? A DC  12 B G   13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog31 hydrog ?    ? A DC  12 N4    ? ? ? 1_555 B G   1  O6 ? ? A DC  12 B G   13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog32 hydrog ?    ? A DC  12 O2    ? ? ? 1_555 B G   1  N2 ? ? A DC  12 B G   13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
# 
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 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 113.57 108.30 5.27 0.30 N 
2   1 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.35 108.30 3.05 0.30 N 
3   1 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 112.94 108.30 4.64 0.30 N 
4   1 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 112.54 108.30 4.24 0.30 N 
5   1 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 112.71 108.30 4.41 0.30 N 
6   1 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.28 108.30 2.98 0.30 N 
7   1 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 111.74 108.30 3.44 0.30 N 
8   1 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 111.13 108.30 2.83 0.30 N 
9   1 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 111.74 108.30 3.44 0.30 N 
10  1 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.20 108.50 4.70 0.70 N 
11  1 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 113.43 108.50 4.93 0.70 N 
12  1 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.63 108.50 5.13 0.70 N 
13  1 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 113.10 108.50 4.60 0.70 N 
14  1 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 114.49 108.50 5.99 0.70 N 
15  2 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 113.38 108.30 5.08 0.30 N 
16  2 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.35 108.30 3.05 0.30 N 
17  2 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 112.94 108.30 4.64 0.30 N 
18  2 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 112.02 108.30 3.72 0.30 N 
19  2 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 112.28 108.30 3.98 0.30 N 
20  2 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.33 108.30 3.03 0.30 N 
21  2 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 112.25 108.30 3.95 0.30 N 
22  2 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 111.15 108.30 2.85 0.30 N 
23  2 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 112.12 108.30 3.82 0.30 N 
24  2 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.73 108.50 5.23 0.70 N 
25  2 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 112.95 108.50 4.45 0.70 N 
26  2 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.61 108.50 5.11 0.70 N 
27  2 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 113.25 108.50 4.75 0.70 N 
28  2 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 114.43 108.50 5.93 0.70 N 
29  3 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 113.68 108.30 5.38 0.30 N 
30  3 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.41 108.30 3.11 0.30 N 
31  3 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 113.46 108.30 5.16 0.30 N 
32  3 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 111.64 108.30 3.34 0.30 N 
33  3 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 112.31 108.30 4.01 0.30 N 
34  3 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.64 108.30 3.34 0.30 N 
35  3 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 112.20 108.30 3.90 0.30 N 
36  3 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 110.65 108.30 2.35 0.30 N 
37  3 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 111.51 108.30 3.21 0.30 N 
38  3 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.69 108.50 5.19 0.70 N 
39  3 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 113.96 108.50 5.46 0.70 N 
40  3 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.45 108.50 4.95 0.70 N 
41  3 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 112.92 108.50 4.42 0.70 N 
42  3 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 114.55 108.50 6.05 0.70 N 
43  4 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 113.72 108.30 5.42 0.30 N 
44  4 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.29 108.30 2.99 0.30 N 
45  4 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 113.02 108.30 4.72 0.30 N 
46  4 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 111.45 108.30 3.15 0.30 N 
47  4 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 112.45 108.30 4.15 0.30 N 
48  4 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.88 108.30 3.58 0.30 N 
49  4 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 112.69 108.30 4.39 0.30 N 
50  4 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 111.07 108.30 2.77 0.30 N 
51  4 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 111.90 108.30 3.60 0.30 N 
52  4 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.32 108.50 4.82 0.70 N 
53  4 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 113.48 108.50 4.98 0.70 N 
54  4 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.46 108.50 4.96 0.70 N 
55  4 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 113.17 108.50 4.67 0.70 N 
56  4 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 114.24 108.50 5.74 0.70 N 
57  5 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 113.75 108.30 5.45 0.30 N 
58  5 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.75 108.30 3.45 0.30 N 
59  5 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 113.26 108.30 4.96 0.30 N 
60  5 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 111.58 108.30 3.28 0.30 N 
61  5 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 111.66 108.30 3.36 0.30 N 
62  5 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.80 108.30 3.50 0.30 N 
63  5 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 112.25 108.30 3.95 0.30 N 
64  5 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 110.48 108.30 2.18 0.30 N 
65  5 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 111.17 108.30 2.87 0.30 N 
66  5 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.49 108.50 4.99 0.70 N 
67  5 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 113.35 108.50 4.85 0.70 N 
68  5 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.30 108.50 4.80 0.70 N 
69  5 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 112.78 108.50 4.28 0.70 N 
70  5 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 114.31 108.50 5.81 0.70 N 
71  6 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 113.58 108.30 5.28 0.30 N 
72  6 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.44 108.30 3.14 0.30 N 
73  6 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 113.22 108.30 4.92 0.30 N 
74  6 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 111.81 108.30 3.51 0.30 N 
75  6 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 112.18 108.30 3.88 0.30 N 
76  6 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.29 108.30 2.99 0.30 N 
77  6 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 111.35 108.30 3.05 0.30 N 
78  6 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 111.24 108.30 2.94 0.30 N 
79  6 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 112.17 108.30 3.87 0.30 N 
80  6 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.44 108.50 4.94 0.70 N 
81  6 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 113.84 108.50 5.34 0.70 N 
82  6 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.16 108.50 4.66 0.70 N 
83  6 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 113.00 108.50 4.50 0.70 N 
84  6 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 114.11 108.50 5.61 0.70 N 
85  7 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 113.47 108.30 5.17 0.30 N 
86  7 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.66 108.30 3.36 0.30 N 
87  7 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 112.96 108.30 4.66 0.30 N 
88  7 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 111.55 108.30 3.25 0.30 N 
89  7 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 112.37 108.30 4.07 0.30 N 
90  7 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.53 108.30 3.23 0.30 N 
91  7 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 111.93 108.30 3.63 0.30 N 
92  7 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 111.40 108.30 3.10 0.30 N 
93  7 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 111.75 108.30 3.45 0.30 N 
94  7 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.16 108.50 4.66 0.70 N 
95  7 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 113.37 108.50 4.87 0.70 N 
96  7 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.15 108.50 4.65 0.70 N 
97  7 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 113.22 108.50 4.72 0.70 N 
98  7 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 113.90 108.50 5.40 0.70 N 
99  8 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 112.86 108.30 4.56 0.30 N 
100 8 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.83 108.30 3.53 0.30 N 
101 8 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 112.64 108.30 4.34 0.30 N 
102 8 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 112.02 108.30 3.72 0.30 N 
103 8 "O4'" A DT 5  ? ? "C1'" A DT 5  ? ? N1 A DT 5  ? ? 112.74 108.30 4.44 0.30 N 
104 8 "O4'" A DG 9  ? ? "C1'" A DG 9  ? ? N9 A DG 9  ? ? 111.96 108.30 3.66 0.30 N 
105 8 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 111.96 108.30 3.66 0.30 N 
106 8 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 111.17 108.30 2.87 0.30 N 
107 8 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 110.84 108.30 2.54 0.30 N 
108 8 "O4'" B G  13 ? ? "C1'" B G  13 ? ? N9 B G  13 ? ? 112.73 108.50 4.23 0.70 N 
109 8 "O4'" B C  14 ? ? "C1'" B C  14 ? ? N1 B C  14 ? ? 113.31 108.50 4.81 0.70 N 
110 8 "O4'" B C  16 ? ? "C1'" B C  16 ? ? N1 B C  16 ? ? 113.15 108.50 4.65 0.70 N 
111 8 "O4'" B A  19 ? ? "C1'" B A  19 ? ? N9 B A  19 ? ? 113.57 108.50 5.07 0.70 N 
112 8 "O4'" B C  21 ? ? "C1'" B C  21 ? ? N1 B C  21 ? ? 113.22 108.50 4.72 0.70 N 
113 8 "O4'" B C  23 ? ? "C1'" B C  23 ? ? N1 B C  23 ? ? 113.89 108.50 5.39 0.70 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 2 G B 15 ? ? 0.075 'SIDE CHAIN' 
2 3 C B 21 ? ? 0.060 'SIDE CHAIN' 
3 6 C B 21 ? ? 0.069 'SIDE CHAIN' 
4 7 C B 21 ? ? 0.070 'SIDE CHAIN' 
# 
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 TSP 6 A TSP 6 ? T  "3'-THIO-THYMIDINE-5'-PHOSPHATE" 
2 A TCP 7 A TCP 7 ? DT "5'-METHYLTHYMIDINE"             
# 
_pdbx_nmr_ensemble.entry_id                                      1AC3 
_pdbx_nmr_ensemble.conformers_calculated_total_number            10 
_pdbx_nmr_ensemble.conformers_submitted_total_number             8 
_pdbx_nmr_ensemble.conformer_selection_criteria                  'IDEAL GEOMETRY, NOE VIOLATIONS, COORDINATE RMSD' 
_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     ? 
# 
loop_
_pdbx_nmr_exptl_sample_conditions.conditions_id 
_pdbx_nmr_exptl_sample_conditions.temperature 
_pdbx_nmr_exptl_sample_conditions.pressure 
_pdbx_nmr_exptl_sample_conditions.pH 
_pdbx_nmr_exptl_sample_conditions.ionic_strength 
_pdbx_nmr_exptl_sample_conditions.pressure_units 
_pdbx_nmr_exptl_sample_conditions.temperature_units 
1 298 ? 7.0 ? ? K 
2 288 ? 7.0 ? ? K 
# 
loop_
_pdbx_nmr_exptl.experiment_id 
_pdbx_nmr_exptl.conditions_id 
_pdbx_nmr_exptl.type 
_pdbx_nmr_exptl.solution_id 
1 1 NOESY    1 
2 1 DQF-COSY 1 
# 
_pdbx_nmr_details.entry_id   1AC3 
_pdbx_nmr_details.text       
;IONIC_STRENGTH: 0.1 M NACL, 10 MM PO4 PRESSURE: 1 SOLVENT SYSTEM: AQUEOUS THE STRUCTURE WAS DETERMINED USING PROTON-PROTON AND PROTON-PHOSPHOROUS 1D AND 2D NMR SPECTROSCOPY.
;
# 
_pdbx_nmr_refine.entry_id           1AC3 
_pdbx_nmr_refine.method             'SIMULATED ANNEALING, MOLECULAR DYNAMICS SIMULATIONS AND RELAXATION MATRIX REFINEMENT' 
_pdbx_nmr_refine.details            
;1. GENERATE DISTANCE RESTRAINTS USING MARDIGRAS PROGRAM FROM T. JAMES' LAB. 2. MODEL BUILDING T. JAMES' LAB.USING QUANTA. 3. RANDOMIZE STRUCTURES BY DYNAMICS SIMULATIONS. 4. ITERATIVE CALCULATIONS. 5. FINAL RELAXATION MATRIX REFINEMENT.
;
_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 ? BRUNGER 1 
'structure solution' X-PLOR ? ?       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 
A   OP3    O N N 1   
A   P      P N N 2   
A   OP1    O N N 3   
A   OP2    O N N 4   
A   "O5'"  O N N 5   
A   "C5'"  C N N 6   
A   "C4'"  C N R 7   
A   "O4'"  O N N 8   
A   "C3'"  C N S 9   
A   "O3'"  O N N 10  
A   "C2'"  C N R 11  
A   "O2'"  O N N 12  
A   "C1'"  C N R 13  
A   N9     N Y N 14  
A   C8     C Y N 15  
A   N7     N Y N 16  
A   C5     C Y N 17  
A   C6     C Y N 18  
A   N6     N N N 19  
A   N1     N Y N 20  
A   C2     C Y N 21  
A   N3     N Y N 22  
A   C4     C Y N 23  
A   HOP3   H N N 24  
A   HOP2   H N N 25  
A   "H5'"  H N N 26  
A   "H5''" H N N 27  
A   "H4'"  H N N 28  
A   "H3'"  H N N 29  
A   "HO3'" H N N 30  
A   "H2'"  H N N 31  
A   "HO2'" H N N 32  
A   "H1'"  H N N 33  
A   H8     H N N 34  
A   H61    H N N 35  
A   H62    H N N 36  
A   H2     H N N 37  
C   OP3    O N N 38  
C   P      P N N 39  
C   OP1    O N N 40  
C   OP2    O N N 41  
C   "O5'"  O N N 42  
C   "C5'"  C N N 43  
C   "C4'"  C N R 44  
C   "O4'"  O N N 45  
C   "C3'"  C N S 46  
C   "O3'"  O N N 47  
C   "C2'"  C N R 48  
C   "O2'"  O N N 49  
C   "C1'"  C N R 50  
C   N1     N N N 51  
C   C2     C N N 52  
C   O2     O N N 53  
C   N3     N N N 54  
C   C4     C N N 55  
C   N4     N N N 56  
C   C5     C N N 57  
C   C6     C N N 58  
C   HOP3   H N N 59  
C   HOP2   H N N 60  
C   "H5'"  H N N 61  
C   "H5''" H N N 62  
C   "H4'"  H N N 63  
C   "H3'"  H N N 64  
C   "HO3'" H N N 65  
C   "H2'"  H N N 66  
C   "HO2'" H N N 67  
C   "H1'"  H N N 68  
C   H41    H N N 69  
C   H42    H N N 70  
C   H5     H N N 71  
C   H6     H N N 72  
DC  OP3    O N N 73  
DC  P      P N N 74  
DC  OP1    O N N 75  
DC  OP2    O N N 76  
DC  "O5'"  O N N 77  
DC  "C5'"  C N N 78  
DC  "C4'"  C N R 79  
DC  "O4'"  O N N 80  
DC  "C3'"  C N S 81  
DC  "O3'"  O N N 82  
DC  "C2'"  C N N 83  
DC  "C1'"  C N R 84  
DC  N1     N N N 85  
DC  C2     C N N 86  
DC  O2     O N N 87  
DC  N3     N N N 88  
DC  C4     C N N 89  
DC  N4     N N N 90  
DC  C5     C N N 91  
DC  C6     C N N 92  
DC  HOP3   H N N 93  
DC  HOP2   H N N 94  
DC  "H5'"  H N N 95  
DC  "H5''" H N N 96  
DC  "H4'"  H N N 97  
DC  "H3'"  H N N 98  
DC  "HO3'" H N N 99  
DC  "H2'"  H N N 100 
DC  "H2''" H N N 101 
DC  "H1'"  H N N 102 
DC  H41    H N N 103 
DC  H42    H N N 104 
DC  H5     H N N 105 
DC  H6     H N N 106 
DG  OP3    O N N 107 
DG  P      P N N 108 
DG  OP1    O N N 109 
DG  OP2    O N N 110 
DG  "O5'"  O N N 111 
DG  "C5'"  C N N 112 
DG  "C4'"  C N R 113 
DG  "O4'"  O N N 114 
DG  "C3'"  C N S 115 
DG  "O3'"  O N N 116 
DG  "C2'"  C N N 117 
DG  "C1'"  C N R 118 
DG  N9     N Y N 119 
DG  C8     C Y N 120 
DG  N7     N Y N 121 
DG  C5     C Y N 122 
DG  C6     C N N 123 
DG  O6     O N N 124 
DG  N1     N N N 125 
DG  C2     C N N 126 
DG  N2     N N N 127 
DG  N3     N N N 128 
DG  C4     C Y N 129 
DG  HOP3   H N N 130 
DG  HOP2   H N N 131 
DG  "H5'"  H N N 132 
DG  "H5''" H N N 133 
DG  "H4'"  H N N 134 
DG  "H3'"  H N N 135 
DG  "HO3'" H N N 136 
DG  "H2'"  H N N 137 
DG  "H2''" H N N 138 
DG  "H1'"  H N N 139 
DG  H8     H N N 140 
DG  H1     H N N 141 
DG  H21    H N N 142 
DG  H22    H N N 143 
DT  OP3    O N N 144 
DT  P      P N N 145 
DT  OP1    O N N 146 
DT  OP2    O N N 147 
DT  "O5'"  O N N 148 
DT  "C5'"  C N N 149 
DT  "C4'"  C N R 150 
DT  "O4'"  O N N 151 
DT  "C3'"  C N S 152 
DT  "O3'"  O N N 153 
DT  "C2'"  C N N 154 
DT  "C1'"  C N R 155 
DT  N1     N N N 156 
DT  C2     C N N 157 
DT  O2     O N N 158 
DT  N3     N N N 159 
DT  C4     C N N 160 
DT  O4     O N N 161 
DT  C5     C N N 162 
DT  C7     C N N 163 
DT  C6     C N N 164 
DT  HOP3   H N N 165 
DT  HOP2   H N N 166 
DT  "H5'"  H N N 167 
DT  "H5''" H N N 168 
DT  "H4'"  H N N 169 
DT  "H3'"  H N N 170 
DT  "HO3'" H N N 171 
DT  "H2'"  H N N 172 
DT  "H2''" H N N 173 
DT  "H1'"  H N N 174 
DT  H3     H N N 175 
DT  H71    H N N 176 
DT  H72    H N N 177 
DT  H73    H N N 178 
DT  H6     H N N 179 
G   OP3    O N N 180 
G   P      P N N 181 
G   OP1    O N N 182 
G   OP2    O N N 183 
G   "O5'"  O N N 184 
G   "C5'"  C N N 185 
G   "C4'"  C N R 186 
G   "O4'"  O N N 187 
G   "C3'"  C N S 188 
G   "O3'"  O N N 189 
G   "C2'"  C N R 190 
G   "O2'"  O N N 191 
G   "C1'"  C N R 192 
G   N9     N Y N 193 
G   C8     C Y N 194 
G   N7     N Y N 195 
G   C5     C Y N 196 
G   C6     C N N 197 
G   O6     O N N 198 
G   N1     N N N 199 
G   C2     C N N 200 
G   N2     N N N 201 
G   N3     N N N 202 
G   C4     C Y N 203 
G   HOP3   H N N 204 
G   HOP2   H N N 205 
G   "H5'"  H N N 206 
G   "H5''" H N N 207 
G   "H4'"  H N N 208 
G   "H3'"  H N N 209 
G   "HO3'" H N N 210 
G   "H2'"  H N N 211 
G   "HO2'" H N N 212 
G   "H1'"  H N N 213 
G   H8     H N N 214 
G   H1     H N N 215 
G   H21    H N N 216 
G   H22    H N N 217 
TCP CP     C N N 218 
TCP "O5'"  O N N 219 
TCP "C5'"  C N N 220 
TCP "C4'"  C N R 221 
TCP "O4'"  O N N 222 
TCP "C3'"  C N S 223 
TCP "O3'"  O N N 224 
TCP "C2'"  C N N 225 
TCP "C1'"  C N R 226 
TCP N1     N N N 227 
TCP C2     C N N 228 
TCP O2     O N N 229 
TCP N3     N N N 230 
TCP C4     C N N 231 
TCP O4     O N N 232 
TCP C5     C N N 233 
TCP C5M    C N N 234 
TCP C6     C N N 235 
TCP HP1    H N N 236 
TCP HP2    H N N 237 
TCP HP3    H N N 238 
TCP "H5'"  H N N 239 
TCP "H5''" H N N 240 
TCP "H4'"  H N N 241 
TCP "H3'"  H N N 242 
TCP "HO3'" H N N 243 
TCP "H2'"  H N N 244 
TCP "H2''" H N N 245 
TCP "H1'"  H N N 246 
TCP HN3    H N N 247 
TCP H71    H N N 248 
TCP H72    H N N 249 
TCP H73    H N N 250 
TCP H6     H N N 251 
TSP P      P N N 252 
TSP OP1    O N N 253 
TSP OP2    O N N 254 
TSP OP3    O N N 255 
TSP "O5'"  O N N 256 
TSP "C5'"  C N N 257 
TSP "C4'"  C N R 258 
TSP "O4'"  O N N 259 
TSP "C3'"  C N S 260 
TSP "S3'"  S N N 261 
TSP "C2'"  C N N 262 
TSP "C1'"  C N R 263 
TSP N1     N N N 264 
TSP C2     C N N 265 
TSP O2     O N N 266 
TSP N3     N N N 267 
TSP C4     C N N 268 
TSP O4     O N N 269 
TSP C5     C N N 270 
TSP C5M    C N N 271 
TSP C6     C N N 272 
TSP HOP2   H N N 273 
TSP HOP3   H N N 274 
TSP "H5'"  H N N 275 
TSP "H5''" H N N 276 
TSP "H4'"  H N N 277 
TSP "H3'"  H N N 278 
TSP "HS3'" H N N 279 
TSP "H2'"  H N N 280 
TSP "H2''" H N N 281 
TSP "H1'"  H N N 282 
TSP HN3    H N N 283 
TSP H71    H N N 284 
TSP H72    H N N 285 
TSP H73    H N N 286 
TSP H6     H N N 287 
# 
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 
A   OP3   P      sing N N 1   
A   OP3   HOP3   sing N N 2   
A   P     OP1    doub N N 3   
A   P     OP2    sing N N 4   
A   P     "O5'"  sing N N 5   
A   OP2   HOP2   sing N N 6   
A   "O5'" "C5'"  sing N N 7   
A   "C5'" "C4'"  sing N N 8   
A   "C5'" "H5'"  sing N N 9   
A   "C5'" "H5''" sing N N 10  
A   "C4'" "O4'"  sing N N 11  
A   "C4'" "C3'"  sing N N 12  
A   "C4'" "H4'"  sing N N 13  
A   "O4'" "C1'"  sing N N 14  
A   "C3'" "O3'"  sing N N 15  
A   "C3'" "C2'"  sing N N 16  
A   "C3'" "H3'"  sing N N 17  
A   "O3'" "HO3'" sing N N 18  
A   "C2'" "O2'"  sing N N 19  
A   "C2'" "C1'"  sing N N 20  
A   "C2'" "H2'"  sing N N 21  
A   "O2'" "HO2'" sing N N 22  
A   "C1'" N9     sing N N 23  
A   "C1'" "H1'"  sing N N 24  
A   N9    C8     sing Y N 25  
A   N9    C4     sing Y N 26  
A   C8    N7     doub Y N 27  
A   C8    H8     sing N N 28  
A   N7    C5     sing Y N 29  
A   C5    C6     sing Y N 30  
A   C5    C4     doub Y N 31  
A   C6    N6     sing N N 32  
A   C6    N1     doub Y N 33  
A   N6    H61    sing N N 34  
A   N6    H62    sing N N 35  
A   N1    C2     sing Y N 36  
A   C2    N3     doub Y N 37  
A   C2    H2     sing N N 38  
A   N3    C4     sing Y N 39  
C   OP3   P      sing N N 40  
C   OP3   HOP3   sing N N 41  
C   P     OP1    doub N N 42  
C   P     OP2    sing N N 43  
C   P     "O5'"  sing N N 44  
C   OP2   HOP2   sing N N 45  
C   "O5'" "C5'"  sing N N 46  
C   "C5'" "C4'"  sing N N 47  
C   "C5'" "H5'"  sing N N 48  
C   "C5'" "H5''" sing N N 49  
C   "C4'" "O4'"  sing N N 50  
C   "C4'" "C3'"  sing N N 51  
C   "C4'" "H4'"  sing N N 52  
C   "O4'" "C1'"  sing N N 53  
C   "C3'" "O3'"  sing N N 54  
C   "C3'" "C2'"  sing N N 55  
C   "C3'" "H3'"  sing N N 56  
C   "O3'" "HO3'" sing N N 57  
C   "C2'" "O2'"  sing N N 58  
C   "C2'" "C1'"  sing N N 59  
C   "C2'" "H2'"  sing N N 60  
C   "O2'" "HO2'" sing N N 61  
C   "C1'" N1     sing N N 62  
C   "C1'" "H1'"  sing N N 63  
C   N1    C2     sing N N 64  
C   N1    C6     sing N N 65  
C   C2    O2     doub N N 66  
C   C2    N3     sing N N 67  
C   N3    C4     doub N N 68  
C   C4    N4     sing N N 69  
C   C4    C5     sing N N 70  
C   N4    H41    sing N N 71  
C   N4    H42    sing N N 72  
C   C5    C6     doub N N 73  
C   C5    H5     sing N N 74  
C   C6    H6     sing N N 75  
DC  OP3   P      sing N N 76  
DC  OP3   HOP3   sing N N 77  
DC  P     OP1    doub N N 78  
DC  P     OP2    sing N N 79  
DC  P     "O5'"  sing N N 80  
DC  OP2   HOP2   sing N N 81  
DC  "O5'" "C5'"  sing N N 82  
DC  "C5'" "C4'"  sing N N 83  
DC  "C5'" "H5'"  sing N N 84  
DC  "C5'" "H5''" sing N N 85  
DC  "C4'" "O4'"  sing N N 86  
DC  "C4'" "C3'"  sing N N 87  
DC  "C4'" "H4'"  sing N N 88  
DC  "O4'" "C1'"  sing N N 89  
DC  "C3'" "O3'"  sing N N 90  
DC  "C3'" "C2'"  sing N N 91  
DC  "C3'" "H3'"  sing N N 92  
DC  "O3'" "HO3'" sing N N 93  
DC  "C2'" "C1'"  sing N N 94  
DC  "C2'" "H2'"  sing N N 95  
DC  "C2'" "H2''" sing N N 96  
DC  "C1'" N1     sing N N 97  
DC  "C1'" "H1'"  sing N N 98  
DC  N1    C2     sing N N 99  
DC  N1    C6     sing N N 100 
DC  C2    O2     doub N N 101 
DC  C2    N3     sing N N 102 
DC  N3    C4     doub N N 103 
DC  C4    N4     sing N N 104 
DC  C4    C5     sing N N 105 
DC  N4    H41    sing N N 106 
DC  N4    H42    sing N N 107 
DC  C5    C6     doub N N 108 
DC  C5    H5     sing N N 109 
DC  C6    H6     sing N N 110 
DG  OP3   P      sing N N 111 
DG  OP3   HOP3   sing N N 112 
DG  P     OP1    doub N N 113 
DG  P     OP2    sing N N 114 
DG  P     "O5'"  sing N N 115 
DG  OP2   HOP2   sing N N 116 
DG  "O5'" "C5'"  sing N N 117 
DG  "C5'" "C4'"  sing N N 118 
DG  "C5'" "H5'"  sing N N 119 
DG  "C5'" "H5''" sing N N 120 
DG  "C4'" "O4'"  sing N N 121 
DG  "C4'" "C3'"  sing N N 122 
DG  "C4'" "H4'"  sing N N 123 
DG  "O4'" "C1'"  sing N N 124 
DG  "C3'" "O3'"  sing N N 125 
DG  "C3'" "C2'"  sing N N 126 
DG  "C3'" "H3'"  sing N N 127 
DG  "O3'" "HO3'" sing N N 128 
DG  "C2'" "C1'"  sing N N 129 
DG  "C2'" "H2'"  sing N N 130 
DG  "C2'" "H2''" sing N N 131 
DG  "C1'" N9     sing N N 132 
DG  "C1'" "H1'"  sing N N 133 
DG  N9    C8     sing Y N 134 
DG  N9    C4     sing Y N 135 
DG  C8    N7     doub Y N 136 
DG  C8    H8     sing N N 137 
DG  N7    C5     sing Y N 138 
DG  C5    C6     sing N N 139 
DG  C5    C4     doub Y N 140 
DG  C6    O6     doub N N 141 
DG  C6    N1     sing N N 142 
DG  N1    C2     sing N N 143 
DG  N1    H1     sing N N 144 
DG  C2    N2     sing N N 145 
DG  C2    N3     doub N N 146 
DG  N2    H21    sing N N 147 
DG  N2    H22    sing N N 148 
DG  N3    C4     sing N N 149 
DT  OP3   P      sing N N 150 
DT  OP3   HOP3   sing N N 151 
DT  P     OP1    doub N N 152 
DT  P     OP2    sing N N 153 
DT  P     "O5'"  sing N N 154 
DT  OP2   HOP2   sing N N 155 
DT  "O5'" "C5'"  sing N N 156 
DT  "C5'" "C4'"  sing N N 157 
DT  "C5'" "H5'"  sing N N 158 
DT  "C5'" "H5''" sing N N 159 
DT  "C4'" "O4'"  sing N N 160 
DT  "C4'" "C3'"  sing N N 161 
DT  "C4'" "H4'"  sing N N 162 
DT  "O4'" "C1'"  sing N N 163 
DT  "C3'" "O3'"  sing N N 164 
DT  "C3'" "C2'"  sing N N 165 
DT  "C3'" "H3'"  sing N N 166 
DT  "O3'" "HO3'" sing N N 167 
DT  "C2'" "C1'"  sing N N 168 
DT  "C2'" "H2'"  sing N N 169 
DT  "C2'" "H2''" sing N N 170 
DT  "C1'" N1     sing N N 171 
DT  "C1'" "H1'"  sing N N 172 
DT  N1    C2     sing N N 173 
DT  N1    C6     sing N N 174 
DT  C2    O2     doub N N 175 
DT  C2    N3     sing N N 176 
DT  N3    C4     sing N N 177 
DT  N3    H3     sing N N 178 
DT  C4    O4     doub N N 179 
DT  C4    C5     sing N N 180 
DT  C5    C7     sing N N 181 
DT  C5    C6     doub N N 182 
DT  C7    H71    sing N N 183 
DT  C7    H72    sing N N 184 
DT  C7    H73    sing N N 185 
DT  C6    H6     sing N N 186 
G   OP3   P      sing N N 187 
G   OP3   HOP3   sing N N 188 
G   P     OP1    doub N N 189 
G   P     OP2    sing N N 190 
G   P     "O5'"  sing N N 191 
G   OP2   HOP2   sing N N 192 
G   "O5'" "C5'"  sing N N 193 
G   "C5'" "C4'"  sing N N 194 
G   "C5'" "H5'"  sing N N 195 
G   "C5'" "H5''" sing N N 196 
G   "C4'" "O4'"  sing N N 197 
G   "C4'" "C3'"  sing N N 198 
G   "C4'" "H4'"  sing N N 199 
G   "O4'" "C1'"  sing N N 200 
G   "C3'" "O3'"  sing N N 201 
G   "C3'" "C2'"  sing N N 202 
G   "C3'" "H3'"  sing N N 203 
G   "O3'" "HO3'" sing N N 204 
G   "C2'" "O2'"  sing N N 205 
G   "C2'" "C1'"  sing N N 206 
G   "C2'" "H2'"  sing N N 207 
G   "O2'" "HO2'" sing N N 208 
G   "C1'" N9     sing N N 209 
G   "C1'" "H1'"  sing N N 210 
G   N9    C8     sing Y N 211 
G   N9    C4     sing Y N 212 
G   C8    N7     doub Y N 213 
G   C8    H8     sing N N 214 
G   N7    C5     sing Y N 215 
G   C5    C6     sing N N 216 
G   C5    C4     doub Y N 217 
G   C6    O6     doub N N 218 
G   C6    N1     sing N N 219 
G   N1    C2     sing N N 220 
G   N1    H1     sing N N 221 
G   C2    N2     sing N N 222 
G   C2    N3     doub N N 223 
G   N2    H21    sing N N 224 
G   N2    H22    sing N N 225 
G   N3    C4     sing N N 226 
TCP CP    "O5'"  sing N N 227 
TCP CP    HP1    sing N N 228 
TCP CP    HP2    sing N N 229 
TCP CP    HP3    sing N N 230 
TCP "O5'" "C5'"  sing N N 231 
TCP "C5'" "C4'"  sing N N 232 
TCP "C5'" "H5'"  sing N N 233 
TCP "C5'" "H5''" sing N N 234 
TCP "C4'" "O4'"  sing N N 235 
TCP "C4'" "C3'"  sing N N 236 
TCP "C4'" "H4'"  sing N N 237 
TCP "O4'" "C1'"  sing N N 238 
TCP "C3'" "O3'"  sing N N 239 
TCP "C3'" "C2'"  sing N N 240 
TCP "C3'" "H3'"  sing N N 241 
TCP "O3'" "HO3'" sing N N 242 
TCP "C2'" "C1'"  sing N N 243 
TCP "C2'" "H2'"  sing N N 244 
TCP "C2'" "H2''" sing N N 245 
TCP "C1'" N1     sing N N 246 
TCP "C1'" "H1'"  sing N N 247 
TCP N1    C2     sing N N 248 
TCP N1    C6     sing N N 249 
TCP C2    O2     doub N N 250 
TCP C2    N3     sing N N 251 
TCP N3    C4     sing N N 252 
TCP N3    HN3    sing N N 253 
TCP C4    O4     doub N N 254 
TCP C4    C5     sing N N 255 
TCP C5    C5M    sing N N 256 
TCP C5    C6     doub N N 257 
TCP C5M   H71    sing N N 258 
TCP C5M   H72    sing N N 259 
TCP C5M   H73    sing N N 260 
TCP C6    H6     sing N N 261 
TSP P     OP1    doub N N 262 
TSP P     OP2    sing N N 263 
TSP P     OP3    sing N N 264 
TSP P     "O5'"  sing N N 265 
TSP OP2   HOP2   sing N N 266 
TSP OP3   HOP3   sing N N 267 
TSP "O5'" "C5'"  sing N N 268 
TSP "C5'" "C4'"  sing N N 269 
TSP "C5'" "H5'"  sing N N 270 
TSP "C5'" "H5''" sing N N 271 
TSP "C4'" "O4'"  sing N N 272 
TSP "C4'" "C3'"  sing N N 273 
TSP "C4'" "H4'"  sing N N 274 
TSP "O4'" "C1'"  sing N N 275 
TSP "C3'" "S3'"  sing N N 276 
TSP "C3'" "C2'"  sing N N 277 
TSP "C3'" "H3'"  sing N N 278 
TSP "S3'" "HS3'" sing N N 279 
TSP "C2'" "C1'"  sing N N 280 
TSP "C2'" "H2'"  sing N N 281 
TSP "C2'" "H2''" sing N N 282 
TSP "C1'" N1     sing N N 283 
TSP "C1'" "H1'"  sing N N 284 
TSP N1    C2     sing N N 285 
TSP N1    C6     sing N N 286 
TSP C2    O2     doub N N 287 
TSP C2    N3     sing N N 288 
TSP N3    C4     sing N N 289 
TSP N3    HN3    sing N N 290 
TSP C4    O4     doub N N 291 
TSP C4    C5     sing N N 292 
TSP C5    C5M    sing N N 293 
TSP C5    C6     doub N N 294 
TSP C5M   H71    sing N N 295 
TSP C5M   H72    sing N N 296 
TSP C5M   H73    sing N N 297 
TSP C6    H6     sing N N 298 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1AC3 'double helix'        
1AC3 'a-form double helix' 
# 
loop_
_ndb_struct_na_base_pair.model_number 
_ndb_struct_na_base_pair.i_label_asym_id 
_ndb_struct_na_base_pair.i_label_comp_id 
_ndb_struct_na_base_pair.i_label_seq_id 
_ndb_struct_na_base_pair.i_symmetry 
_ndb_struct_na_base_pair.j_label_asym_id 
_ndb_struct_na_base_pair.j_label_comp_id 
_ndb_struct_na_base_pair.j_label_seq_id 
_ndb_struct_na_base_pair.j_symmetry 
_ndb_struct_na_base_pair.shear 
_ndb_struct_na_base_pair.stretch 
_ndb_struct_na_base_pair.stagger 
_ndb_struct_na_base_pair.buckle 
_ndb_struct_na_base_pair.propeller 
_ndb_struct_na_base_pair.opening 
_ndb_struct_na_base_pair.pair_number 
_ndb_struct_na_base_pair.pair_name 
_ndb_struct_na_base_pair.i_auth_asym_id 
_ndb_struct_na_base_pair.i_auth_seq_id 
_ndb_struct_na_base_pair.i_PDB_ins_code 
_ndb_struct_na_base_pair.j_auth_asym_id 
_ndb_struct_na_base_pair.j_auth_seq_id 
_ndb_struct_na_base_pair.j_PDB_ins_code 
_ndb_struct_na_base_pair.hbond_type_28 
_ndb_struct_na_base_pair.hbond_type_12 
1 A DC  1  1_555 B G 12 1_555 0.059  0.038  -0.455 34.708 -30.013 -1.494 1  A_DC1:G24_B  A 1  ? B 24 ? 19 1 
1 A DG  2  1_555 B C 11 1_555 -0.181 -0.129 -0.163 13.060 -20.635 1.480  2  A_DG2:C23_B  A 2  ? B 23 ? 19 1 
1 A DC  3  1_555 B G 10 1_555 -0.256 -0.064 -0.291 12.470 -25.130 0.242  3  A_DC3:G22_B  A 3  ? B 22 ? 19 1 
1 A DG  4  1_555 B C 9  1_555 -0.594 -0.232 0.176  -1.280 -13.479 -2.686 4  A_DG4:C21_B  A 4  ? B 21 ? 19 1 
1 A DT  5  1_555 B A 8  1_555 0.128  -0.122 0.456  6.797  -5.567  -2.508 5  A_DT5:A20_B  A 5  ? B 20 ? 20 1 
1 A TSP 6  1_555 B A 7  1_555 0.296  -0.055 -0.618 24.486 -19.176 0.547  6  A_TSP6:A19_B A 6  ? B 19 ? 20 1 
1 A TCP 7  1_555 B A 6  1_555 -0.121 0.053  -0.582 29.194 -16.153 -1.958 7  A_TCP7:A18_B A 7  ? B 18 ? 20 1 
1 A DT  8  1_555 B A 5  1_555 0.254  -0.046 -0.910 28.838 -24.896 2.636  8  A_DT8:A17_B  A 8  ? B 17 ? 20 1 
1 A DG  9  1_555 B C 4  1_555 -0.586 -0.231 -0.049 7.700  -20.205 -0.305 9  A_DG9:C16_B  A 9  ? B 16 ? 19 1 
1 A DC  10 1_555 B G 3  1_555 0.115  -0.114 0.096  8.066  -24.822 -2.261 10 A_DC10:G15_B A 10 ? B 15 ? 19 1 
1 A DG  11 1_555 B C 2  1_555 -0.166 -0.157 0.462  2.601  -19.467 -3.728 11 A_DG11:C14_B A 11 ? B 14 ? 19 1 
1 A DC  12 1_555 B G 1  1_555 0.172  -0.166 0.428  11.488 -19.945 -4.690 12 A_DC12:G13_B A 12 ? B 13 ? 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 DC  1  1_555 B G 12 1_555 A DG  2  1_555 B C 11 1_555 -0.587 -1.627 3.610 -7.966 27.824 31.845 -4.908 0.038  1.791 41.580 
11.904 42.778 1  AA_DC1DG2:C23G24_BB   A 1  ? B 24 ? A 2  ? B 23 ? 
1 A DG  2  1_555 B C 11 1_555 A DC  3  1_555 B G 10 1_555 -0.337 -1.701 3.085 -4.829 3.669  29.285 -3.997 -0.269 2.873 7.160  
9.425  29.893 2  AA_DG2DC3:G22C23_BB   A 2  ? B 23 ? A 3  ? B 22 ? 
1 A DC  3  1_555 B G 10 1_555 A DG  4  1_555 B C 9  1_555 -0.245 -1.794 3.321 -7.803 21.906 28.055 -5.495 -0.538 1.575 37.989 
13.533 36.290 3  AA_DC3DG4:C21G22_BB   A 3  ? B 22 ? A 4  ? B 21 ? 
1 A DG  4  1_555 B C 9  1_555 A DT  5  1_555 B A 8  1_555 -0.064 -1.784 3.119 -4.103 5.113  30.647 -4.184 -0.587 2.777 9.537  
7.653  31.324 4  AA_DG4DT5:A20C21_BB   A 4  ? B 21 ? A 5  ? B 20 ? 
1 A DT  5  1_555 B A 8  1_555 A TSP 6  1_555 B A 7  1_555 0.105  -1.355 2.734 5.224  -0.544 31.172 -2.404 0.623  2.738 -1.003 
-9.635 31.601 5  AA_DT5TSP6:A19A20_BB  A 5  ? B 20 ? A 6  ? B 19 ? 
1 A TSP 6  1_555 B A 7  1_555 A TCP 7  1_555 B A 6  1_555 -0.351 -0.963 3.305 -1.804 10.061 31.156 -3.391 0.321  2.879 18.131 
3.251  32.751 6  AA_TSP6TCP7:A18A19_BB A 6  ? B 19 ? A 7  ? B 18 ? 
1 A TCP 7  1_555 B A 6  1_555 A DT  8  1_555 B A 5  1_555 -0.379 -0.958 3.322 0.480  8.349  33.597 -2.875 0.710  2.999 14.172 
-0.815 34.593 7  AA_TCP7DT8:A17A18_BB  A 7  ? B 18 ? A 8  ? B 17 ? 
1 A DT  8  1_555 B A 5  1_555 A DG  9  1_555 B C 4  1_555 -0.384 -1.470 3.653 -9.305 26.869 25.954 -5.501 -0.544 1.578 45.781 
15.854 38.317 8  AA_DT8DG9:C16A17_BB   A 8  ? B 17 ? A 9  ? B 16 ? 
1 A DG  9  1_555 B C 4  1_555 A DC  10 1_555 B G 3  1_555 -0.347 -1.035 3.068 -4.125 6.142  35.212 -2.482 0.021  2.874 10.016 
6.727  35.956 9  AA_DG9DC10:G15C16_BB  A 9  ? B 16 ? A 10 ? B 15 ? 
1 A DC  10 1_555 B G 3  1_555 A DG  11 1_555 B C 2  1_555 -0.163 -1.202 3.119 -4.195 15.409 30.425 -4.162 -0.301 2.269 27.140 
7.389  34.274 10 AA_DC10DG11:C14G15_BB A 10 ? B 15 ? A 11 ? B 14 ? 
1 A DG  11 1_555 B C 2  1_555 A DC  12 1_555 B G 1  1_555 0.080  -1.137 2.973 -2.914 -0.570 34.394 -1.835 -0.546 2.975 -0.962 
4.917  34.519 11 AA_DG11DC12:G13C14_BB A 11 ? B 14 ? A 12 ? B 13 ? 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.model             AMX-II 
_pdbx_nmr_spectrometer.manufacturer      Bruker 
_pdbx_nmr_spectrometer.field_strength    600 
_pdbx_nmr_spectrometer.type              ? 
# 
_atom_sites.entry_id                    1AC3 
_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 
S 
# 
loop_