data_1LAI
# 
_entry.id   1LAI 
# 
_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   1LAI         pdb_00001lai 10.2210/pdb1lai/pdb 
RCSB  RCSB015793   ?            ?                   
WWPDB D_1000015793 ?            ?                   
# 
loop_
_pdbx_audit_revision_history.ordinal 
_pdbx_audit_revision_history.data_content_type 
_pdbx_audit_revision_history.major_revision 
_pdbx_audit_revision_history.minor_revision 
_pdbx_audit_revision_history.revision_date 
1 'Structure model' 1 0 2002-04-17 
2 'Structure model' 1 1 2008-04-28 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2022-02-23 
5 'Structure model' 1 4 2024-05-22 
# 
_pdbx_audit_revision_details.ordinal             1 
_pdbx_audit_revision_details.revision_ordinal    1 
_pdbx_audit_revision_details.data_content_type   'Structure model' 
_pdbx_audit_revision_details.provider            repository 
_pdbx_audit_revision_details.type                'Initial release' 
_pdbx_audit_revision_details.description         ? 
_pdbx_audit_revision_details.details             ? 
# 
loop_
_pdbx_audit_revision_group.ordinal 
_pdbx_audit_revision_group.revision_ordinal 
_pdbx_audit_revision_group.data_content_type 
_pdbx_audit_revision_group.group 
1 2 'Structure model' 'Version format compliance' 
2 3 'Structure model' 'Version format compliance' 
3 4 'Structure model' 'Data collection'           
4 4 'Structure model' 'Database references'       
5 4 'Structure model' 'Derived calculations'      
6 5 'Structure model' 'Data collection'           
# 
loop_
_pdbx_audit_revision_category.ordinal 
_pdbx_audit_revision_category.revision_ordinal 
_pdbx_audit_revision_category.data_content_type 
_pdbx_audit_revision_category.category 
1 4 'Structure model' database_2            
2 4 'Structure model' pdbx_nmr_software     
3 4 'Structure model' pdbx_struct_assembly  
4 4 'Structure model' pdbx_struct_oper_list 
5 5 'Structure model' chem_comp_atom        
6 5 'Structure model' chem_comp_bond        
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
3 4 'Structure model' '_pdbx_nmr_software.name'             
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1LAI 
_pdbx_database_status.recvd_initial_deposition_date   2002-03-28 
_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.pdb_format_compatible           Y 
_pdbx_database_status.status_code_sf                  ? 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_pdbx_database_related.db_name 
_pdbx_database_related.db_id 
_pdbx_database_related.details 
_pdbx_database_related.content_type 
PDB 1LA8 '1la8 is the Solution structure of the DNA 13-mer hairpin CGCGGTGTCCGCG.' unspecified 
PDB 1LAE 
;1lae is the Solution structure of the DNA 13-mer hairpin CGCGGTXTCCGCG (X=PdG) containing the 1,N2-propanodeoxyguanosine adduct at the seventh positon.
;
unspecified 
PDB 1laq 
;1laq is the Solution structure of the B-DNA duplex CGCGGTXTCCGCG (X=PdG) 
containing the 1,N2-propanogeoxyguanosine adduct with the deoxyribose at C20 
opposite PdG in the C2' endo conformation.
;
unspecified 
PDB 1LAS 
;1LAS IS THE Solution structure of the B-DNA duplex CGCGGTXTCCGCG (X=PdG) 
containing the 1,N2-propanogeoxyguanosine adduct with the deoxyribose at C20 
opposite PdG in the C3' endo conformation.
;
unspecified 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Weisenseel, J.P.' 1 
'Reddy, G.R.'      2 
'Marnett, L.J.'    3 
'Stone, M.P.'      4 
# 
_citation.id                        primary 
_citation.title                     
;Structure of an oligodeoxynucleotide containing a 1,N(2)-propanodeoxyguanosine adduct positioned in a palindrome derived from the Salmonella typhimurium hisD3052 gene: Hoogsteen pairing at pH 5.2.
;
_citation.journal_abbrev            Chem.Res.Toxicol. 
_citation.journal_volume            15 
_citation.page_first                127 
_citation.page_last                 139 
_citation.year                      2002 
_citation.journal_id_ASTM           CRTOEC 
_citation.country                   US 
_citation.journal_id_ISSN           0893-228X 
_citation.journal_id_CSD            2140 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   11849038 
_citation.pdbx_database_id_DOI      10.1021/tx0101090 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Weisenseel, J.P.' 1 ? 
primary 'Reddy, G.R.'      2 ? 
primary 'Marnett, L.J.'    3 ? 
primary 'Stone, M.P.'      4 ? 
# 
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 "5'-D(*CP*GP*CP*GP*GP*TP*GP*TP*CP*CP*GP*CP*G)-3'" 3984.572 1 ? ? ? ? 
2 polymer syn "5'-D(*CP*GP*CP*GP*GP*AP*CP*AP*CP*CP*GP*CP*G)-3'" 3962.576 1 ? ? ? ? 
# 
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 no '(DC)(DG)(DC)(DG)(DG)(DT)(DG)(DT)(DC)(DC)(DG)(DC)(DG)' CGCGGTGTCCGCG A ? 
2 polydeoxyribonucleotide no no '(DC)(DG)(DC)(DG)(DG)(DA)(DC)(DA)(DC)(DC)(DG)(DC)(DG)' CGCGGACACCGCG 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  DG n 
1 6  DT n 
1 7  DG n 
1 8  DT n 
1 9  DC n 
1 10 DC n 
1 11 DG n 
1 12 DC n 
1 13 DG n 
2 1  DC n 
2 2  DG n 
2 3  DC n 
2 4  DG n 
2 5  DG n 
2 6  DA n 
2 7  DC n 
2 8  DA n 
2 9  DC n 
2 10 DC n 
2 11 DG n 
2 12 DC n 
2 13 DG n 
# 
loop_
_pdbx_entity_src_syn.entity_id 
_pdbx_entity_src_syn.pdbx_src_id 
_pdbx_entity_src_syn.pdbx_alt_source_flag 
_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 
1 1 sample ? ? ? ? ? 'This Synthetic DNA sequence was derived from the hisD3052 gene of salmonella typhimurium.' 
2 1 sample ? ? ? ? ? 'This Synthetic DNA sequence was derived from the hisD3052 gene of salmonella typhimurium.' 
# 
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 
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 
# 
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  DG 5  5  5  DG G A . n 
A 1 6  DT 6  6  6  DT T A . n 
A 1 7  DG 7  7  7  DG G A . n 
A 1 8  DT 8  8  8  DT T A . n 
A 1 9  DC 9  9  9  DC C 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 
A 1 13 DG 13 13 13 DG G A . n 
B 2 1  DC 1  14 14 DC C B . n 
B 2 2  DG 2  15 15 DG G B . n 
B 2 3  DC 3  16 16 DC C B . n 
B 2 4  DG 4  17 17 DG G B . n 
B 2 5  DG 5  18 18 DG G B . n 
B 2 6  DA 6  19 19 DA A B . n 
B 2 7  DC 7  20 20 DC C B . n 
B 2 8  DA 8  21 21 DA A B . n 
B 2 9  DC 9  22 22 DC C B . n 
B 2 10 DC 10 23 23 DC C B . n 
B 2 11 DG 11 24 24 DG G B . n 
B 2 12 DC 12 25 25 DC C B . n 
B 2 13 DG 13 26 26 DG G B . n 
# 
_exptl.entry_id          1LAI 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      ? 
_exptl_crystal.density_percent_sol   ? 
_exptl_crystal.description           ? 
# 
_diffrn.id                     1 
_diffrn.crystal_id             1 
_diffrn.ambient_temp           ? 
_diffrn.ambient_temp_details   ? 
# 
_diffrn_radiation.diffrn_id                        1 
_diffrn_radiation.wavelength_id                    1 
_diffrn_radiation.pdbx_monochromatic_or_laue_m_l   M 
_diffrn_radiation.monochromator                    ? 
_diffrn_radiation.pdbx_diffrn_protocol             'SINGLE WAVELENGTH' 
_diffrn_radiation.pdbx_scattering_type             ? 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   . 
_diffrn_radiation_wavelength.wt           1.0 
# 
_database_PDB_matrix.entry_id          1LAI 
_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                  1LAI 
_struct.title                     'Solution Structure of the B-DNA Duplex CGCGGTGTCCGCG.' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   'minimized average' 
# 
_struct_keywords.entry_id        1LAI 
_struct_keywords.pdbx_keywords   DNA 
_struct_keywords.text            'DNA, B-type' 
# 
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.entity_id 
_struct_ref.db_name 
_struct_ref.db_code 
_struct_ref.pdbx_db_accession 
_struct_ref.pdbx_db_isoform 
_struct_ref.pdbx_seq_one_letter_code 
_struct_ref.pdbx_align_begin 
1 1 PDB 1LAI 1LAI ? ? ? 
2 2 PDB 1LAI 1LAI ? ? ? 
# 
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 1LAI A 1 ? 13 ? 1LAI 1  ? 13 ? 1  13 
2 2 1LAI B 1 ? 13 ? 1LAI 14 ? 26 ? 14 26 
# 
_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   x,y,z 
_pdbx_struct_oper_list.matrix[1][1]         1.0000000000 
_pdbx_struct_oper_list.matrix[1][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[1][3]         0.0000000000 
_pdbx_struct_oper_list.vector[1]            0.0000000000 
_pdbx_struct_oper_list.matrix[2][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[2][2]         1.0000000000 
_pdbx_struct_oper_list.matrix[2][3]         0.0000000000 
_pdbx_struct_oper_list.vector[2]            0.0000000000 
_pdbx_struct_oper_list.matrix[3][1]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][2]         0.0000000000 
_pdbx_struct_oper_list.matrix[3][3]         1.0000000000 
_pdbx_struct_oper_list.vector[3]            0.0000000000 
# 
_struct_biol.id   1 
# 
loop_
_struct_conn.id 
_struct_conn.conn_type_id 
_struct_conn.pdbx_leaving_atom_flag 
_struct_conn.pdbx_PDB_id 
_struct_conn.ptnr1_label_asym_id 
_struct_conn.ptnr1_label_comp_id 
_struct_conn.ptnr1_label_seq_id 
_struct_conn.ptnr1_label_atom_id 
_struct_conn.pdbx_ptnr1_label_alt_id 
_struct_conn.pdbx_ptnr1_PDB_ins_code 
_struct_conn.pdbx_ptnr1_standard_comp_id 
_struct_conn.ptnr1_symmetry 
_struct_conn.ptnr2_label_asym_id 
_struct_conn.ptnr2_label_comp_id 
_struct_conn.ptnr2_label_seq_id 
_struct_conn.ptnr2_label_atom_id 
_struct_conn.pdbx_ptnr2_label_alt_id 
_struct_conn.pdbx_ptnr2_PDB_ins_code 
_struct_conn.ptnr1_auth_asym_id 
_struct_conn.ptnr1_auth_comp_id 
_struct_conn.ptnr1_auth_seq_id 
_struct_conn.ptnr2_auth_asym_id 
_struct_conn.ptnr2_auth_comp_id 
_struct_conn.ptnr2_auth_seq_id 
_struct_conn.ptnr2_symmetry 
_struct_conn.pdbx_ptnr3_label_atom_id 
_struct_conn.pdbx_ptnr3_label_seq_id 
_struct_conn.pdbx_ptnr3_label_comp_id 
_struct_conn.pdbx_ptnr3_label_asym_id 
_struct_conn.pdbx_ptnr3_label_alt_id 
_struct_conn.pdbx_ptnr3_PDB_ins_code 
_struct_conn.details 
_struct_conn.pdbx_dist_value 
_struct_conn.pdbx_value_order 
_struct_conn.pdbx_role 
hydrog1  hydrog ? ? A DC 1  N3 ? ? ? 1_555 B DG 13 N1 ? ? A DC 1  B DG 26 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog2  hydrog ? ? A DC 1  N4 ? ? ? 1_555 B DG 13 O6 ? ? A DC 1  B DG 26 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog3  hydrog ? ? A DC 1  O2 ? ? ? 1_555 B DG 13 N2 ? ? A DC 1  B DG 26 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog4  hydrog ? ? A DG 2  N1 ? ? ? 1_555 B DC 12 N3 ? ? A DG 2  B DC 25 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog5  hydrog ? ? A DG 2  N2 ? ? ? 1_555 B DC 12 O2 ? ? A DG 2  B DC 25 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog6  hydrog ? ? A DG 2  O6 ? ? ? 1_555 B DC 12 N4 ? ? A DG 2  B DC 25 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog7  hydrog ? ? A DC 3  N3 ? ? ? 1_555 B DG 11 N1 ? ? A DC 3  B DG 24 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog8  hydrog ? ? A DC 3  N4 ? ? ? 1_555 B DG 11 O6 ? ? A DC 3  B DG 24 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog9  hydrog ? ? A DC 3  O2 ? ? ? 1_555 B DG 11 N2 ? ? A DC 3  B DG 24 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog10 hydrog ? ? A DG 4  N1 ? ? ? 1_555 B DC 10 N3 ? ? A DG 4  B DC 23 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog11 hydrog ? ? A DG 4  N2 ? ? ? 1_555 B DC 10 O2 ? ? A DG 4  B DC 23 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog12 hydrog ? ? A DG 4  O6 ? ? ? 1_555 B DC 10 N4 ? ? A DG 4  B DC 23 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog13 hydrog ? ? A DG 5  N1 ? ? ? 1_555 B DC 9  N3 ? ? A DG 5  B DC 22 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog14 hydrog ? ? A DG 5  N2 ? ? ? 1_555 B DC 9  O2 ? ? A DG 5  B DC 22 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog15 hydrog ? ? A DG 5  O6 ? ? ? 1_555 B DC 9  N4 ? ? A DG 5  B DC 22 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog16 hydrog ? ? A DT 6  N3 ? ? ? 1_555 B DA 8  N1 ? ? A DT 6  B DA 21 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog17 hydrog ? ? A DT 6  O4 ? ? ? 1_555 B DA 8  N6 ? ? A DT 6  B DA 21 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog18 hydrog ? ? A DG 7  N1 ? ? ? 1_555 B DC 7  N3 ? ? A DG 7  B DC 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog19 hydrog ? ? A DG 7  N2 ? ? ? 1_555 B DC 7  O2 ? ? A DG 7  B DC 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog20 hydrog ? ? A DG 7  O6 ? ? ? 1_555 B DC 7  N4 ? ? A DG 7  B DC 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog21 hydrog ? ? A DT 8  N3 ? ? ? 1_555 B DA 6  N1 ? ? A DT 8  B DA 19 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog22 hydrog ? ? A DT 8  O4 ? ? ? 1_555 B DA 6  N6 ? ? A DT 8  B DA 19 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog23 hydrog ? ? A DC 9  N4 ? ? ? 1_555 B DG 4  O6 ? ? A DC 9  B DG 17 1_555 ? ? ? ? ? ? 'DC-DG PAIR' ? ? ? 
hydrog24 hydrog ? ? A DC 9  N3 ? ? ? 1_555 B DG 5  N1 ? ? A DC 9  B DG 18 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog25 hydrog ? ? A DC 9  N4 ? ? ? 1_555 B DG 5  O6 ? ? A DC 9  B DG 18 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog26 hydrog ? ? A DC 9  O2 ? ? ? 1_555 B DG 5  N2 ? ? A DC 9  B DG 18 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog27 hydrog ? ? A DC 10 N3 ? ? ? 1_555 B DG 4  N1 ? ? A DC 10 B DG 17 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog28 hydrog ? ? A DC 10 N4 ? ? ? 1_555 B DG 4  O6 ? ? A DC 10 B DG 17 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog29 hydrog ? ? A DC 10 O2 ? ? ? 1_555 B DG 4  N2 ? ? A DC 10 B DG 17 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog30 hydrog ? ? A DG 11 N1 ? ? ? 1_555 B DC 3  N3 ? ? A DG 11 B DC 16 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog31 hydrog ? ? A DG 11 N2 ? ? ? 1_555 B DC 3  O2 ? ? A DG 11 B DC 16 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog32 hydrog ? ? A DG 11 O6 ? ? ? 1_555 B DC 3  N4 ? ? A DG 11 B DC 16 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog33 hydrog ? ? A DC 12 N3 ? ? ? 1_555 B DG 2  N1 ? ? A DC 12 B DG 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog34 hydrog ? ? A DC 12 N4 ? ? ? 1_555 B DG 2  O6 ? ? A DC 12 B DG 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog35 hydrog ? ? A DC 12 O2 ? ? ? 1_555 B DG 2  N2 ? ? A DC 12 B DG 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog36 hydrog ? ? A DG 13 N1 ? ? ? 1_555 B DC 1  N3 ? ? A DG 13 B DC 14 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog37 hydrog ? ? A DG 13 N2 ? ? ? 1_555 B DC 1  O2 ? ? A DG 13 B DC 14 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog38 hydrog ? ? A DG 13 O6 ? ? ? 1_555 B DC 1  N4 ? ? A DG 13 B DC 14 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
# 
_struct_conn_type.id          hydrog 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
loop_
_pdbx_validate_rmsd_angle.id 
_pdbx_validate_rmsd_angle.PDB_model_num 
_pdbx_validate_rmsd_angle.auth_atom_id_1 
_pdbx_validate_rmsd_angle.auth_asym_id_1 
_pdbx_validate_rmsd_angle.auth_comp_id_1 
_pdbx_validate_rmsd_angle.auth_seq_id_1 
_pdbx_validate_rmsd_angle.PDB_ins_code_1 
_pdbx_validate_rmsd_angle.label_alt_id_1 
_pdbx_validate_rmsd_angle.auth_atom_id_2 
_pdbx_validate_rmsd_angle.auth_asym_id_2 
_pdbx_validate_rmsd_angle.auth_comp_id_2 
_pdbx_validate_rmsd_angle.auth_seq_id_2 
_pdbx_validate_rmsd_angle.PDB_ins_code_2 
_pdbx_validate_rmsd_angle.label_alt_id_2 
_pdbx_validate_rmsd_angle.auth_atom_id_3 
_pdbx_validate_rmsd_angle.auth_asym_id_3 
_pdbx_validate_rmsd_angle.auth_comp_id_3 
_pdbx_validate_rmsd_angle.auth_seq_id_3 
_pdbx_validate_rmsd_angle.PDB_ins_code_3 
_pdbx_validate_rmsd_angle.label_alt_id_3 
_pdbx_validate_rmsd_angle.angle_value 
_pdbx_validate_rmsd_angle.angle_target_value 
_pdbx_validate_rmsd_angle.angle_deviation 
_pdbx_validate_rmsd_angle.angle_standard_deviation 
_pdbx_validate_rmsd_angle.linker_flag 
1  1 "O4'" A DC 1  ? ? "C1'" A DC 1  ? ? N1 A DC 1  ? ? 111.36 108.30 3.06  0.30 N 
2  1 "O4'" A DG 2  ? ? "C1'" A DG 2  ? ? N9 A DG 2  ? ? 111.34 108.30 3.04  0.30 N 
3  1 N7    A DG 2  ? ? C8    A DG 2  ? ? N9 A DG 2  ? ? 117.81 113.10 4.71  0.50 N 
4  1 C8    A DG 2  ? ? N9    A DG 2  ? ? C4 A DG 2  ? ? 103.83 106.40 -2.57 0.40 N 
5  1 "O4'" A DC 3  ? ? "C1'" A DC 3  ? ? N1 A DC 3  ? ? 110.86 108.30 2.56  0.30 N 
6  1 "O4'" A DG 4  ? ? "C1'" A DG 4  ? ? N9 A DG 4  ? ? 111.25 108.30 2.95  0.30 N 
7  1 N7    A DG 4  ? ? C8    A DG 4  ? ? N9 A DG 4  ? ? 117.64 113.10 4.54  0.50 N 
8  1 C8    A DG 4  ? ? N9    A DG 4  ? ? C4 A DG 4  ? ? 103.62 106.40 -2.78 0.40 N 
9  1 "O4'" A DG 5  ? ? "C1'" A DG 5  ? ? N9 A DG 5  ? ? 111.47 108.30 3.17  0.30 N 
10 1 N7    A DG 5  ? ? C8    A DG 5  ? ? N9 A DG 5  ? ? 117.70 113.10 4.60  0.50 N 
11 1 C8    A DG 5  ? ? N9    A DG 5  ? ? C4 A DG 5  ? ? 103.65 106.40 -2.75 0.40 N 
12 1 "O4'" A DT 6  ? ? "C1'" A DT 6  ? ? N1 A DT 6  ? ? 111.66 108.30 3.36  0.30 N 
13 1 C6    A DT 6  ? ? C5    A DT 6  ? ? C7 A DT 6  ? ? 118.87 122.90 -4.03 0.60 N 
14 1 "O4'" A DG 7  ? ? "C1'" A DG 7  ? ? N9 A DG 7  ? ? 111.48 108.30 3.18  0.30 N 
15 1 N7    A DG 7  ? ? C8    A DG 7  ? ? N9 A DG 7  ? ? 117.65 113.10 4.55  0.50 N 
16 1 C8    A DG 7  ? ? N9    A DG 7  ? ? C4 A DG 7  ? ? 103.65 106.40 -2.75 0.40 N 
17 1 "O4'" A DT 8  ? ? "C1'" A DT 8  ? ? N1 A DT 8  ? ? 111.79 108.30 3.49  0.30 N 
18 1 C6    A DT 8  ? ? C5    A DT 8  ? ? C7 A DT 8  ? ? 118.72 122.90 -4.18 0.60 N 
19 1 "O4'" A DC 9  ? ? "C1'" A DC 9  ? ? N1 A DC 9  ? ? 111.68 108.30 3.38  0.30 N 
20 1 "O4'" A DC 10 ? ? "C1'" A DC 10 ? ? N1 A DC 10 ? ? 111.30 108.30 3.00  0.30 N 
21 1 "O4'" A DG 11 ? ? "C1'" A DG 11 ? ? N9 A DG 11 ? ? 111.07 108.30 2.77  0.30 N 
22 1 N7    A DG 11 ? ? C8    A DG 11 ? ? N9 A DG 11 ? ? 117.64 113.10 4.54  0.50 N 
23 1 C8    A DG 11 ? ? N9    A DG 11 ? ? C4 A DG 11 ? ? 103.83 106.40 -2.57 0.40 N 
24 1 "O4'" A DC 12 ? ? "C1'" A DC 12 ? ? N1 A DC 12 ? ? 111.10 108.30 2.80  0.30 N 
25 1 "O4'" A DG 13 ? ? "C1'" A DG 13 ? ? N9 A DG 13 ? ? 110.87 108.30 2.57  0.30 N 
26 1 N7    A DG 13 ? ? C8    A DG 13 ? ? N9 A DG 13 ? ? 117.71 113.10 4.61  0.50 N 
27 1 C8    A DG 13 ? ? N9    A DG 13 ? ? C4 A DG 13 ? ? 103.66 106.40 -2.74 0.40 N 
28 1 "O4'" B DC 14 ? ? "C1'" B DC 14 ? ? N1 B DC 14 ? ? 111.57 108.30 3.27  0.30 N 
29 1 "O4'" B DG 15 ? ? "C1'" B DG 15 ? ? N9 B DG 15 ? ? 111.14 108.30 2.84  0.30 N 
30 1 N7    B DG 15 ? ? C8    B DG 15 ? ? N9 B DG 15 ? ? 117.59 113.10 4.49  0.50 N 
31 1 C8    B DG 15 ? ? N9    B DG 15 ? ? C4 B DG 15 ? ? 103.74 106.40 -2.66 0.40 N 
32 1 "O4'" B DC 16 ? ? "C1'" B DC 16 ? ? N1 B DC 16 ? ? 111.13 108.30 2.83  0.30 N 
33 1 "O4'" B DG 17 ? ? "C1'" B DG 17 ? ? N9 B DG 17 ? ? 111.09 108.30 2.79  0.30 N 
34 1 N7    B DG 17 ? ? C8    B DG 17 ? ? N9 B DG 17 ? ? 117.65 113.10 4.55  0.50 N 
35 1 C8    B DG 17 ? ? N9    B DG 17 ? ? C4 B DG 17 ? ? 103.73 106.40 -2.67 0.40 N 
36 1 "O4'" B DG 18 ? ? "C1'" B DG 18 ? ? N9 B DG 18 ? ? 111.55 108.30 3.25  0.30 N 
37 1 N7    B DG 18 ? ? C8    B DG 18 ? ? N9 B DG 18 ? ? 117.62 113.10 4.52  0.50 N 
38 1 C8    B DG 18 ? ? N9    B DG 18 ? ? C4 B DG 18 ? ? 103.67 106.40 -2.73 0.40 N 
39 1 "O4'" B DA 19 ? ? "C1'" B DA 19 ? ? N9 B DA 19 ? ? 110.66 108.30 2.36  0.30 N 
40 1 N7    B DA 19 ? ? C8    B DA 19 ? ? N9 B DA 19 ? ? 117.70 113.80 3.90  0.50 N 
41 1 "O4'" B DC 20 ? ? "C1'" B DC 20 ? ? N1 B DC 20 ? ? 111.52 108.30 3.22  0.30 N 
42 1 "O4'" B DA 21 ? ? "C1'" B DA 21 ? ? N9 B DA 21 ? ? 110.46 108.30 2.16  0.30 N 
43 1 N7    B DA 21 ? ? C8    B DA 21 ? ? N9 B DA 21 ? ? 117.71 113.80 3.91  0.50 N 
44 1 "O4'" B DC 22 ? ? "C1'" B DC 22 ? ? N1 B DC 22 ? ? 111.52 108.30 3.22  0.30 N 
45 1 "O4'" B DC 23 ? ? "C1'" B DC 23 ? ? N1 B DC 23 ? ? 111.25 108.30 2.95  0.30 N 
46 1 "O4'" B DG 24 ? ? "C1'" B DG 24 ? ? N9 B DG 24 ? ? 111.02 108.30 2.72  0.30 N 
47 1 N7    B DG 24 ? ? C8    B DG 24 ? ? N9 B DG 24 ? ? 117.58 113.10 4.48  0.50 N 
48 1 C8    B DG 24 ? ? N9    B DG 24 ? ? C4 B DG 24 ? ? 103.90 106.40 -2.50 0.40 N 
49 1 "O4'" B DC 25 ? ? "C1'" B DC 25 ? ? N1 B DC 25 ? ? 110.92 108.30 2.62  0.30 N 
50 1 "O4'" B DG 26 ? ? "C1'" B DG 26 ? ? N9 B DG 26 ? ? 110.84 108.30 2.54  0.30 N 
51 1 N7    B DG 26 ? ? C8    B DG 26 ? ? N9 B DG 26 ? ? 117.74 113.10 4.64  0.50 N 
52 1 C8    B DG 26 ? ? N9    B DG 26 ? ? C4 B DG 26 ? ? 103.66 106.40 -2.74 0.40 N 
# 
_pdbx_nmr_ensemble.entry_id                             1LAI 
_pdbx_nmr_ensemble.conformers_calculated_total_number   ? 
_pdbx_nmr_ensemble.conformers_submitted_total_number    1 
_pdbx_nmr_ensemble.conformer_selection_criteria         ? 
# 
_pdbx_nmr_representative.entry_id             1LAI 
_pdbx_nmr_representative.conformer_id         1 
_pdbx_nmr_representative.selection_criteria   'minimized average structure' 
# 
loop_
_pdbx_nmr_sample_details.solution_id 
_pdbx_nmr_sample_details.contents 
_pdbx_nmr_sample_details.solvent_system 
1 '1.8 mM DNA strand, 10 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA' D2O     
2 '1.8 mM DNA strand, 1 mM sodium phosphate, 100 mM NaCl, 50 uM EDTA'  H2O/D2O 
# 
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 
1 303 ambient 6.8 '100 mM NaCl' ? K 
2 278 ambient 6.8 '100 mM NaCl' ? K 
# 
loop_
_pdbx_nmr_exptl.experiment_id 
_pdbx_nmr_exptl.solution_id 
_pdbx_nmr_exptl.conditions_id 
_pdbx_nmr_exptl.type 
1 1 1 '2D NOESY'    
2 1 1 DQF-COSY      
3 1 1 '31P-1H COSY' 
4 2 2 '2D NOESY'    
# 
_pdbx_nmr_refine.entry_id           1LAI 
_pdbx_nmr_refine.method             'Molecular dynamics using a simulated annealing protocol.' 
_pdbx_nmr_refine.details            ? 
_pdbx_nmr_refine.software_ordinal   1 
# 
loop_
_pdbx_nmr_software.name 
_pdbx_nmr_software.version 
_pdbx_nmr_software.classification 
_pdbx_nmr_software.authors 
_pdbx_nmr_software.ordinal 
UXNMR     3.0          collection                    Bruker            1 
Felix     '97.0, 2000' 'data analysis'               'Hare, D.'        2 
MARDIGRAS 3.2          'iterative matrix relaxation' 'Borgias & James' 3 
X-PLOR    3.8          refinement                    'Brunger, A.'     4 
# 
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  
DG OP3    O N N 71  
DG P      P N N 72  
DG OP1    O N N 73  
DG OP2    O N N 74  
DG "O5'"  O N N 75  
DG "C5'"  C N N 76  
DG "C4'"  C N R 77  
DG "O4'"  O N N 78  
DG "C3'"  C N S 79  
DG "O3'"  O N N 80  
DG "C2'"  C N N 81  
DG "C1'"  C N R 82  
DG N9     N Y N 83  
DG C8     C Y N 84  
DG N7     N Y N 85  
DG C5     C Y N 86  
DG C6     C N N 87  
DG O6     O N N 88  
DG N1     N N N 89  
DG C2     C N N 90  
DG N2     N N N 91  
DG N3     N N N 92  
DG C4     C Y N 93  
DG HOP3   H N N 94  
DG HOP2   H N N 95  
DG "H5'"  H N N 96  
DG "H5''" H N N 97  
DG "H4'"  H N N 98  
DG "H3'"  H N N 99  
DG "HO3'" H N N 100 
DG "H2'"  H N N 101 
DG "H2''" H N N 102 
DG "H1'"  H N N 103 
DG H8     H N N 104 
DG H1     H N N 105 
DG H21    H N N 106 
DG H22    H N N 107 
DT OP3    O N N 108 
DT P      P N N 109 
DT OP1    O N N 110 
DT OP2    O N N 111 
DT "O5'"  O N N 112 
DT "C5'"  C N N 113 
DT "C4'"  C N R 114 
DT "O4'"  O N N 115 
DT "C3'"  C N S 116 
DT "O3'"  O N N 117 
DT "C2'"  C N N 118 
DT "C1'"  C N R 119 
DT N1     N N N 120 
DT C2     C N N 121 
DT O2     O N N 122 
DT N3     N N N 123 
DT C4     C N N 124 
DT O4     O N N 125 
DT C5     C N N 126 
DT C7     C N N 127 
DT C6     C N N 128 
DT HOP3   H N N 129 
DT HOP2   H N N 130 
DT "H5'"  H N N 131 
DT "H5''" H N N 132 
DT "H4'"  H N N 133 
DT "H3'"  H N N 134 
DT "HO3'" H N N 135 
DT "H2'"  H N N 136 
DT "H2''" H N N 137 
DT "H1'"  H N N 138 
DT H3     H N N 139 
DT H71    H N N 140 
DT H72    H N N 141 
DT H73    H N N 142 
DT H6     H N N 143 
# 
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  
DG OP3   P      sing N N 74  
DG OP3   HOP3   sing N N 75  
DG P     OP1    doub N N 76  
DG P     OP2    sing N N 77  
DG P     "O5'"  sing N N 78  
DG OP2   HOP2   sing N N 79  
DG "O5'" "C5'"  sing N N 80  
DG "C5'" "C4'"  sing N N 81  
DG "C5'" "H5'"  sing N N 82  
DG "C5'" "H5''" sing N N 83  
DG "C4'" "O4'"  sing N N 84  
DG "C4'" "C3'"  sing N N 85  
DG "C4'" "H4'"  sing N N 86  
DG "O4'" "C1'"  sing N N 87  
DG "C3'" "O3'"  sing N N 88  
DG "C3'" "C2'"  sing N N 89  
DG "C3'" "H3'"  sing N N 90  
DG "O3'" "HO3'" sing N N 91  
DG "C2'" "C1'"  sing N N 92  
DG "C2'" "H2'"  sing N N 93  
DG "C2'" "H2''" sing N N 94  
DG "C1'" N9     sing N N 95  
DG "C1'" "H1'"  sing N N 96  
DG N9    C8     sing Y N 97  
DG N9    C4     sing Y N 98  
DG C8    N7     doub Y N 99  
DG C8    H8     sing N N 100 
DG N7    C5     sing Y N 101 
DG C5    C6     sing N N 102 
DG C5    C4     doub Y N 103 
DG C6    O6     doub N N 104 
DG C6    N1     sing N N 105 
DG N1    C2     sing N N 106 
DG N1    H1     sing N N 107 
DG C2    N2     sing N N 108 
DG C2    N3     doub N N 109 
DG N2    H21    sing N N 110 
DG N2    H22    sing N N 111 
DG N3    C4     sing N N 112 
DT OP3   P      sing N N 113 
DT OP3   HOP3   sing N N 114 
DT P     OP1    doub N N 115 
DT P     OP2    sing N N 116 
DT P     "O5'"  sing N N 117 
DT OP2   HOP2   sing N N 118 
DT "O5'" "C5'"  sing N N 119 
DT "C5'" "C4'"  sing N N 120 
DT "C5'" "H5'"  sing N N 121 
DT "C5'" "H5''" sing N N 122 
DT "C4'" "O4'"  sing N N 123 
DT "C4'" "C3'"  sing N N 124 
DT "C4'" "H4'"  sing N N 125 
DT "O4'" "C1'"  sing N N 126 
DT "C3'" "O3'"  sing N N 127 
DT "C3'" "C2'"  sing N N 128 
DT "C3'" "H3'"  sing N N 129 
DT "O3'" "HO3'" sing N N 130 
DT "C2'" "C1'"  sing N N 131 
DT "C2'" "H2'"  sing N N 132 
DT "C2'" "H2''" sing N N 133 
DT "C1'" N1     sing N N 134 
DT "C1'" "H1'"  sing N N 135 
DT N1    C2     sing N N 136 
DT N1    C6     sing N N 137 
DT C2    O2     doub N N 138 
DT C2    N3     sing N N 139 
DT N3    C4     sing N N 140 
DT N3    H3     sing N N 141 
DT C4    O4     doub N N 142 
DT C4    C5     sing N N 143 
DT C5    C7     sing N N 144 
DT C5    C6     doub N N 145 
DT C7    H71    sing N N 146 
DT C7    H72    sing N N 147 
DT C7    H73    sing N N 148 
DT C6    H6     sing N N 149 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1LAI 'double helix'        
1LAI 'b-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 DG 13 1_555 0.077  -0.120 0.636  -18.025 -6.776  -3.843 1  A_DC1:DG26_B  A 1  ? B 26 ? 19 1 
1 A DG 2  1_555 B DC 12 1_555 -0.177 -0.078 -0.005 -10.488 -8.001  -1.630 2  A_DG2:DC25_B  A 2  ? B 25 ? 19 1 
1 A DC 3  1_555 B DG 11 1_555 0.125  -0.132 0.197  -1.920  -4.168  -2.239 3  A_DC3:DG24_B  A 3  ? B 24 ? 19 1 
1 A DG 4  1_555 B DC 10 1_555 -0.057 -0.148 0.479  9.750   -10.318 -4.046 4  A_DG4:DC23_B  A 4  ? B 23 ? 19 1 
1 A DG 5  1_555 B DC 9  1_555 -0.169 -0.084 0.245  1.534   -9.851  -2.206 5  A_DG5:DC22_B  A 5  ? B 22 ? 19 1 
1 A DT 6  1_555 B DA 8  1_555 -0.133 -0.179 0.438  -3.220  -18.249 -4.993 6  A_DT6:DA21_B  A 6  ? B 21 ? 20 1 
1 A DG 7  1_555 B DC 7  1_555 -0.171 -0.090 0.141  -6.806  -13.833 -2.032 7  A_DG7:DC20_B  A 7  ? B 20 ? 19 1 
1 A DT 8  1_555 B DA 6  1_555 -0.124 -0.092 0.139  -8.577  -10.264 -1.106 8  A_DT8:DA19_B  A 8  ? B 19 ? 20 1 
1 A DC 9  1_555 B DG 5  1_555 0.118  -0.098 0.569  -16.628 -4.385  -2.574 9  A_DC9:DG18_B  A 9  ? B 18 ? 19 1 
1 A DC 10 1_555 B DG 4  1_555 0.085  -0.144 0.492  -8.519  -10.283 -3.229 10 A_DC10:DG17_B A 10 ? B 17 ? 19 1 
1 A DG 11 1_555 B DC 3  1_555 -0.130 -0.126 0.249  0.330   -5.188  -3.011 11 A_DG11:DC16_B A 11 ? B 16 ? 19 1 
1 A DC 12 1_555 B DG 2  1_555 0.161  -0.091 0.083  8.497   -8.457  -2.397 12 A_DC12:DG15_B A 12 ? B 15 ? 19 1 
1 A DG 13 1_555 B DC 1  1_555 -0.110 -0.120 0.654  16.715  -4.129  -3.739 13 A_DG13:DC14_B A 13 ? B 14 ? 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 DG 13 1_555 A DG 2  1_555 B DC 12 1_555 0.584  0.199  2.826 7.268  3.269  39.854 -0.035 -0.128 2.891 4.738  
-10.535 40.612 1  AA_DC1DG2:DC25DG26_BB   A 1  ? B 26 ? A 2  ? B 25 ? 
1 A DG 2  1_555 B DC 12 1_555 A DC 3  1_555 B DG 11 1_555 -0.174 0.367  2.942 -2.921 -1.583 37.780 0.747  -0.069 2.930 -2.440 
4.501   37.921 2  AA_DG2DC3:DG24DC25_BB   A 2  ? B 25 ? A 3  ? B 24 ? 
1 A DC 3  1_555 B DG 11 1_555 A DG 4  1_555 B DC 10 1_555 0.156  -0.058 2.836 0.569  2.110  37.344 -0.332 -0.179 2.831 3.292  
-0.888  37.406 3  AA_DC3DG4:DC23DG24_BB   A 3  ? B 24 ? A 4  ? B 23 ? 
1 A DG 4  1_555 B DC 10 1_555 A DG 5  1_555 B DC 9  1_555 0.417  -0.361 3.294 1.845  3.998  38.826 -1.023 -0.400 3.258 5.991  
-2.765  39.066 4  AA_DG4DG5:DC22DC23_BB   A 4  ? B 23 ? A 5  ? B 22 ? 
1 A DG 5  1_555 B DC 9  1_555 A DT 6  1_555 B DA 8  1_555 -0.445 -0.548 3.267 -0.882 -4.226 35.710 -0.279 0.593  3.317 -6.860 
1.431   35.962 5  AA_DG5DT6:DA21DC22_BB   A 5  ? B 22 ? A 6  ? B 21 ? 
1 A DT 6  1_555 B DA 8  1_555 A DG 7  1_555 B DC 7  1_555 0.470  -0.286 3.204 4.066  3.926  40.007 -0.848 -0.232 3.193 5.704  
-5.908  40.388 6  AA_DT6DG7:DC20DA21_BB   A 6  ? B 21 ? A 7  ? B 20 ? 
1 A DG 7  1_555 B DC 7  1_555 A DT 8  1_555 B DA 6  1_555 0.258  -0.108 3.266 0.025  -1.644 36.391 0.056  -0.410 3.267 -2.630 
-0.040  36.427 7  AA_DG7DT8:DA19DC20_BB   A 7  ? B 20 ? A 8  ? B 19 ? 
1 A DT 8  1_555 B DA 6  1_555 A DC 9  1_555 B DG 5  1_555 -0.219 0.138  3.484 -2.842 5.431  43.082 -0.375 0.002  3.483 7.351  
3.847   43.495 8  AA_DT8DC9:DG18DA19_BB   A 8  ? B 19 ? A 9  ? B 18 ? 
1 A DC 9  1_555 B DG 5  1_555 A DC 10 1_555 B DG 4  1_555 -0.587 0.406  3.009 -2.378 -2.132 36.380 0.920  0.634  3.012 -3.407 
3.800   36.515 9  AA_DC9DC10:DG17DG18_BB  A 9  ? B 18 ? A 10 ? B 17 ? 
1 A DC 10 1_555 B DG 4  1_555 A DG 11 1_555 B DC 3  1_555 0.217  0.069  2.829 1.471  1.861  40.222 -0.082 -0.171 2.835 2.704  
-2.137  40.289 10 AA_DC10DG11:DC16DG17_BB A 10 ? B 17 ? A 11 ? B 16 ? 
1 A DG 11 1_555 B DC 3  1_555 A DC 12 1_555 B DG 2  1_555 0.086  0.196  2.974 2.030  -5.210 37.200 0.918  0.106  2.921 -8.110 
-3.160  37.603 11 AA_DG11DC12:DG15DC16_BB A 11 ? B 16 ? A 12 ? B 15 ? 
1 A DC 12 1_555 B DG 2  1_555 A DG 13 1_555 B DC 1  1_555 -0.285 0.126  2.808 -6.182 1.079  40.739 0.078  -0.172 2.822 1.539  
8.816   41.199 12 AA_DC12DG13:DC14DG15_BB A 12 ? B 15 ? A 13 ? B 14 ? 
# 
_pdbx_nmr_spectrometer.spectrometer_id   1 
_pdbx_nmr_spectrometer.type              ? 
_pdbx_nmr_spectrometer.manufacturer      Bruker 
_pdbx_nmr_spectrometer.model             DRX 
_pdbx_nmr_spectrometer.field_strength    500 
# 
_atom_sites.entry_id                    1LAI 
_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_