data_1X26 # _entry.id 1X26 # _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 1X26 pdb_00001x26 10.2210/pdb1x26/pdb RCSB RCSB024284 ? ? WWPDB D_1000024284 ? ? # 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 2006-04-04 2 'Structure model' 1 1 2008-04-30 3 'Structure model' 1 2 2011-07-13 4 'Structure model' 1 3 2022-03-02 5 'Structure model' 1 4 2024-05-29 # _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 4 'Structure model' 'Structure summary' 7 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' chem_comp 2 4 'Structure model' database_2 3 4 'Structure model' entity 4 4 'Structure model' pdbx_entity_nonpoly 5 4 'Structure model' pdbx_nmr_spectrometer 6 4 'Structure model' pdbx_struct_assembly 7 4 'Structure model' pdbx_struct_oper_list 8 4 'Structure model' struct_site 9 5 'Structure model' chem_comp_atom 10 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' '_chem_comp.name' 2 4 'Structure model' '_database_2.pdbx_DOI' 3 4 'Structure model' '_database_2.pdbx_database_accession' 4 4 'Structure model' '_entity.pdbx_description' 5 4 'Structure model' '_pdbx_entity_nonpoly.name' 6 4 'Structure model' '_pdbx_nmr_spectrometer.model' 7 4 'Structure model' '_struct_site.pdbx_auth_asym_id' 8 4 'Structure model' '_struct_site.pdbx_auth_comp_id' 9 4 'Structure model' '_struct_site.pdbx_auth_seq_id' # _pdbx_database_status.status_code REL _pdbx_database_status.entry_id 1X26 _pdbx_database_status.recvd_initial_deposition_date 2005-04-20 _pdbx_database_status.deposit_site PDBJ _pdbx_database_status.process_site PDBJ _pdbx_database_status.status_code_sf ? _pdbx_database_status.status_code_mr REL _pdbx_database_status.SG_entry ? _pdbx_database_status.pdb_format_compatible Y _pdbx_database_status.status_code_cs ? _pdbx_database_status.status_code_nmr_data ? _pdbx_database_status.methods_development_category ? # loop_ _audit_author.name _audit_author.pdbx_ordinal 'Nakatani, K.' 1 'Hagihara, S.' 2 'Goto, Y.' 3 'Kobori, A.' 4 'Hagihara, M.' 5 'Hayashi, G.' 6 'Kyo, M.' 7 'Nomura, M.' 8 'Mishima, M.' 9 'Kojima, C.' 10 # _citation.id primary _citation.title 'Small-molecule ligand induces nucleotide flipping in (CAG)n trinucleotide repeats' _citation.journal_abbrev Nat.Chem.Biol. _citation.journal_volume 1 _citation.page_first 39 _citation.page_last 43 _citation.year 2005 _citation.journal_id_ASTM ? _citation.country US _citation.journal_id_ISSN 1552-4450 _citation.journal_id_CSD ? _citation.book_publisher ? _citation.pdbx_database_id_PubMed 16407992 _citation.pdbx_database_id_DOI 10.1038/nchembio708 # loop_ _citation_author.citation_id _citation_author.name _citation_author.ordinal _citation_author.identifier_ORCID primary 'Nakatani, K.' 1 ? primary 'Hagihara, S.' 2 ? primary 'Goto, Y.' 3 ? primary 'Kobori, A.' 4 ? primary 'Hagihara, M.' 5 ? primary 'Hayashi, G.' 6 ? primary 'Kyo, M.' 7 ? primary 'Nomura, M.' 8 ? primary 'Mishima, M.' 9 ? primary 'Kojima, C.' 10 ? # 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*TP*AP*AP*CP*AP*GP*AP*AP*TP*G)-3'" 3366.237 1 ? ? ? ? 2 polymer syn "5'-D(*CP*AP*TP*TP*CP*AP*GP*TP*TP*AP*G)-3'" 3348.209 1 ? ? ? ? 3 non-polymer syn ;N~3~-{3-[(7-METHYL-1,8-NAPHTHYRIDIN-2-YL)AMINO]-3-OXOPROPYL}-N~1~-[(7-OXO-7,8-DIHYDRO-1,8-NAPHTHYRIDIN-2-YL)METHYL]-BET A-ALANINAMIDE ; 459.500 2 ? ? ? ? # 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)(DT)(DA)(DA)(DC)(DA)(DG)(DA)(DA)(DT)(DG)' CTAACAGAATG A ? 2 polydeoxyribonucleotide no no '(DC)(DA)(DT)(DT)(DC)(DA)(DG)(DT)(DT)(DA)(DG)' CATTCAGTTAG B ? # _pdbx_entity_nonpoly.entity_id 3 _pdbx_entity_nonpoly.name ;N~3~-{3-[(7-METHYL-1,8-NAPHTHYRIDIN-2-YL)AMINO]-3-OXOPROPYL}-N~1~-[(7-OXO-7,8-DIHYDRO-1,8-NAPHTHYRIDIN-2-YL)METHYL]-BET A-ALANINAMIDE ; _pdbx_entity_nonpoly.comp_id NAZ # 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 DT n 1 3 DA n 1 4 DA n 1 5 DC n 1 6 DA n 1 7 DG n 1 8 DA n 1 9 DA n 1 10 DT n 1 11 DG n 2 1 DC n 2 2 DA n 2 3 DT n 2 4 DT n 2 5 DC n 2 6 DA n 2 7 DG n 2 8 DT n 2 9 DT n 2 10 DA n 2 11 DG 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 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 NAZ non-polymer . ;N~3~-{3-[(7-METHYL-1,8-NAPHTHYRIDIN-2-YL)AMINO]-3-OXOPROPYL}-N~1~-[(7-OXO-7,8-DIHYDRO-1,8-NAPHTHYRIDIN-2-YL)METHYL]-BET A-ALANINAMIDE ; NAPHTYRIDINE-AZAQUINOLONE 'C24 H25 N7 O3' 459.500 # loop_ _pdbx_poly_seq_scheme.asym_id _pdbx_poly_seq_scheme.entity_id _pdbx_poly_seq_scheme.seq_id _pdbx_poly_seq_scheme.mon_id _pdbx_poly_seq_scheme.ndb_seq_num _pdbx_poly_seq_scheme.pdb_seq_num _pdbx_poly_seq_scheme.auth_seq_num _pdbx_poly_seq_scheme.pdb_mon_id _pdbx_poly_seq_scheme.auth_mon_id _pdbx_poly_seq_scheme.pdb_strand_id _pdbx_poly_seq_scheme.pdb_ins_code _pdbx_poly_seq_scheme.hetero A 1 1 DC 1 1 1 DC CYT A . n A 1 2 DT 2 2 2 DT THY A . n A 1 3 DA 3 3 3 DA ADE A . n A 1 4 DA 4 4 4 DA ADE A . n A 1 5 DC 5 5 5 DC CYT A . n A 1 6 DA 6 6 6 DA ADE A . n A 1 7 DG 7 7 7 DG GUA A . n A 1 8 DA 8 8 8 DA ADE A . n A 1 9 DA 9 9 9 DA ADE A . n A 1 10 DT 10 10 10 DT THY A . n A 1 11 DG 11 11 11 DG GUA A . n B 2 1 DC 1 12 12 DC CYT B . n B 2 2 DA 2 13 13 DA ADE B . n B 2 3 DT 3 14 14 DT THY B . n B 2 4 DT 4 15 15 DT THY B . n B 2 5 DC 5 16 16 DC CYT B . n B 2 6 DA 6 17 17 DA ADE B . n B 2 7 DG 7 18 18 DG GUA B . n B 2 8 DT 8 19 19 DT THY B . n B 2 9 DT 9 20 20 DT THY B . n B 2 10 DA 10 21 21 DA ADE B . n B 2 11 DG 11 22 22 DG GUA B . n # loop_ _pdbx_nonpoly_scheme.asym_id _pdbx_nonpoly_scheme.entity_id _pdbx_nonpoly_scheme.mon_id _pdbx_nonpoly_scheme.ndb_seq_num _pdbx_nonpoly_scheme.pdb_seq_num _pdbx_nonpoly_scheme.auth_seq_num _pdbx_nonpoly_scheme.pdb_mon_id _pdbx_nonpoly_scheme.auth_mon_id _pdbx_nonpoly_scheme.pdb_strand_id _pdbx_nonpoly_scheme.pdb_ins_code C 3 NAZ 1 25 25 NAZ NA A . D 3 NAZ 1 24 24 NAZ NA B . # _exptl.entry_id 1X26 _exptl.method 'SOLUTION NMR' _exptl.crystals_number ? # _database_PDB_matrix.entry_id 1X26 _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 1X26 _struct.title 'Solution structure of the AA-mismatch DNA complexed with naphthyridine-azaquinolone' _struct.pdbx_model_details ? _struct.pdbx_CASP_flag ? _struct.pdbx_model_type_details ? # _struct_keywords.entry_id 1X26 _struct_keywords.pdbx_keywords DNA _struct_keywords.text 'DNA, AA mismatch, drug' # loop_ _struct_asym.id _struct_asym.pdbx_blank_PDB_chainid_flag _struct_asym.pdbx_modified _struct_asym.entity_id _struct_asym.details A N N 1 ? B N N 2 ? C N N 3 ? D N N 3 ? # loop_ _struct_ref.id _struct_ref.db_name _struct_ref.db_code _struct_ref.pdbx_db_accession _struct_ref.entity_id _struct_ref.pdbx_db_isoform _struct_ref.pdbx_seq_one_letter_code _struct_ref.pdbx_align_begin 1 PDB 1X26 1X26 1 ? ? ? 2 PDB 1X26 1X26 2 ? ? ? # 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 1X26 A 1 ? 11 ? 1X26 1 ? 11 ? 1 11 2 2 1X26 B 1 ? 11 ? 1X26 12 ? 22 ? 12 22 # _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,C,D # _pdbx_struct_oper_list.id 1 _pdbx_struct_oper_list.type 'identity operation' _pdbx_struct_oper_list.name 1_555 _pdbx_struct_oper_list.symmetry_operation x,y,z _pdbx_struct_oper_list.matrix[1][1] 1.0000000000 _pdbx_struct_oper_list.matrix[1][2] 0.0000000000 _pdbx_struct_oper_list.matrix[1][3] 0.0000000000 _pdbx_struct_oper_list.vector[1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][1] 0.0000000000 _pdbx_struct_oper_list.matrix[2][2] 1.0000000000 _pdbx_struct_oper_list.matrix[2][3] 0.0000000000 _pdbx_struct_oper_list.vector[2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][1] 0.0000000000 _pdbx_struct_oper_list.matrix[3][2] 0.0000000000 _pdbx_struct_oper_list.matrix[3][3] 1.0000000000 _pdbx_struct_oper_list.vector[3] 0.0000000000 # _struct_biol.id 1 _struct_biol.details ? # loop_ _struct_conn.id _struct_conn.conn_type_id _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_PDB_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr1_label_atom_id _struct_conn.pdbx_ptnr1_label_alt_id _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr1_standard_comp_id _struct_conn.ptnr1_symmetry _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_conn.ptnr2_label_atom_id _struct_conn.pdbx_ptnr2_label_alt_id _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.ptnr1_auth_asym_id _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr2_auth_asym_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_symmetry _struct_conn.pdbx_ptnr3_label_atom_id _struct_conn.pdbx_ptnr3_label_seq_id _struct_conn.pdbx_ptnr3_label_comp_id _struct_conn.pdbx_ptnr3_label_asym_id _struct_conn.pdbx_ptnr3_label_alt_id _struct_conn.pdbx_ptnr3_PDB_ins_code _struct_conn.details _struct_conn.pdbx_dist_value _struct_conn.pdbx_value_order _struct_conn.pdbx_role hydrog1 hydrog ? ? A DC 1 N3 ? ? ? 1_555 B DG 11 N1 ? ? A DC 1 B DG 22 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog2 hydrog ? ? A DC 1 N4 ? ? ? 1_555 B DG 11 O6 ? ? A DC 1 B DG 22 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog3 hydrog ? ? A DC 1 O2 ? ? ? 1_555 B DG 11 N2 ? ? A DC 1 B DG 22 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog4 hydrog ? ? A DT 2 N3 ? ? ? 1_555 B DA 10 N1 ? ? A DT 2 B DA 21 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog5 hydrog ? ? A DT 2 O4 ? ? ? 1_555 B DA 10 N6 ? ? A DT 2 B DA 21 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog6 hydrog ? ? A DA 3 N1 ? ? ? 1_555 B DT 9 N3 ? ? A DA 3 B DT 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog7 hydrog ? ? A DA 3 N6 ? ? ? 1_555 B DT 9 O4 ? ? A DA 3 B DT 20 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog8 hydrog ? ? A DA 4 N1 ? ? ? 1_555 B DT 8 N3 ? ? A DA 4 B DT 19 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog9 hydrog ? ? A DA 4 N6 ? ? ? 1_555 B DT 8 O4 ? ? A DA 4 B DT 19 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog10 hydrog ? ? A DA 8 N1 ? ? ? 1_555 B DT 4 N3 ? ? A DA 8 B DT 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog11 hydrog ? ? A DA 8 N6 ? ? ? 1_555 B DT 4 O4 ? ? A DA 8 B DT 15 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog12 hydrog ? ? A DA 9 N1 ? ? ? 1_555 B DT 3 N3 ? ? A DA 9 B DT 14 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog13 hydrog ? ? A DA 9 N6 ? ? ? 1_555 B DT 3 O4 ? ? A DA 9 B DT 14 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog14 hydrog ? ? A DT 10 N3 ? ? ? 1_555 B DA 2 N1 ? ? A DT 10 B DA 13 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog15 hydrog ? ? A DT 10 O4 ? ? ? 1_555 B DA 2 N6 ? ? A DT 10 B DA 13 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog16 hydrog ? ? A DG 11 N1 ? ? ? 1_555 B DC 1 N3 ? ? A DG 11 B DC 12 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog17 hydrog ? ? A DG 11 N2 ? ? ? 1_555 B DC 1 O2 ? ? A DG 11 B DC 12 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? hydrog18 hydrog ? ? A DG 11 O6 ? ? ? 1_555 B DC 1 N4 ? ? A DG 11 B DC 12 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? # _struct_conn_type.id hydrog _struct_conn_type.criteria ? _struct_conn_type.reference ? # loop_ _struct_site.id _struct_site.pdbx_evidence_code _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id _struct_site.pdbx_auth_ins_code _struct_site.pdbx_num_residues _struct_site.details AC1 Software B NAZ 24 ? 7 'BINDING SITE FOR RESIDUE NAZ B 24' AC2 Software A NAZ 25 ? 8 'BINDING SITE FOR RESIDUE NAZ A 25' 1 ? ? ? ? ? ? ? # loop_ _struct_site_gen.id _struct_site_gen.site_id _struct_site_gen.pdbx_num_res _struct_site_gen.label_comp_id _struct_site_gen.label_asym_id _struct_site_gen.label_seq_id _struct_site_gen.pdbx_auth_ins_code _struct_site_gen.auth_comp_id _struct_site_gen.auth_asym_id _struct_site_gen.auth_seq_id _struct_site_gen.label_atom_id _struct_site_gen.label_alt_id _struct_site_gen.symmetry _struct_site_gen.details 1 AC1 7 DA A 4 ? DA A 4 . ? 1_555 ? 2 AC1 7 DC A 5 ? DC A 5 . ? 1_555 ? 3 AC1 7 DA A 6 ? DA A 6 . ? 1_555 ? 4 AC1 7 NAZ C . ? NAZ A 25 . ? 1_555 ? 5 AC1 7 DC B 5 ? DC B 16 . ? 1_555 ? 6 AC1 7 DA B 6 ? DA B 17 . ? 1_555 ? 7 AC1 7 DG B 7 ? DG B 18 . ? 1_555 ? 8 AC2 8 DC A 5 ? DC A 5 . ? 1_555 ? 9 AC2 8 DA A 6 ? DA A 6 . ? 1_555 ? 10 AC2 8 DG A 7 ? DG A 7 . ? 1_555 ? 11 AC2 8 DA A 8 ? DA A 8 . ? 1_555 ? 12 AC2 8 DT B 4 ? DT B 15 . ? 1_555 ? 13 AC2 8 DC B 5 ? DC B 16 . ? 1_555 ? 14 AC2 8 DA B 6 ? DA B 17 . ? 1_555 ? 15 AC2 8 NAZ D . ? NAZ B 24 . ? 1_555 ? # loop_ _pdbx_validate_close_contact.id _pdbx_validate_close_contact.PDB_model_num _pdbx_validate_close_contact.auth_atom_id_1 _pdbx_validate_close_contact.auth_asym_id_1 _pdbx_validate_close_contact.auth_comp_id_1 _pdbx_validate_close_contact.auth_seq_id_1 _pdbx_validate_close_contact.PDB_ins_code_1 _pdbx_validate_close_contact.label_alt_id_1 _pdbx_validate_close_contact.auth_atom_id_2 _pdbx_validate_close_contact.auth_asym_id_2 _pdbx_validate_close_contact.auth_comp_id_2 _pdbx_validate_close_contact.auth_seq_id_2 _pdbx_validate_close_contact.PDB_ins_code_2 _pdbx_validate_close_contact.label_alt_id_2 _pdbx_validate_close_contact.dist 1 1 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.58 2 3 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.59 3 4 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.60 4 7 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.60 5 9 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.59 6 10 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.59 7 10 H21 A DG 11 ? ? O2 B DC 12 ? ? 1.60 8 13 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.60 9 16 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.60 10 17 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.60 11 18 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.58 12 19 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.60 13 21 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.60 14 22 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.59 15 23 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.59 16 25 "H2''" B DA 17 ? ? N7 B DG 18 ? ? 1.59 17 27 O2 A DC 1 ? ? H21 B DG 22 ? ? 1.59 18 28 H21 A DG 11 ? ? O2 B DC 12 ? ? 1.60 # _struct_site_keywords.site_id 1 _struct_site_keywords.text intercalation # _pdbx_nmr_ensemble.entry_id 1X26 _pdbx_nmr_ensemble.conformers_calculated_total_number 150 _pdbx_nmr_ensemble.conformers_submitted_total_number 30 _pdbx_nmr_ensemble.conformer_selection_criteria 'structures with the lowest energy' _pdbx_nmr_ensemble.average_constraints_per_residue ? _pdbx_nmr_ensemble.average_constraint_violations_per_residue ? _pdbx_nmr_ensemble.maximum_distance_constraint_violation ? _pdbx_nmr_ensemble.average_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_upper_distance_constraint_violation ? _pdbx_nmr_ensemble.maximum_lower_distance_constraint_violation ? _pdbx_nmr_ensemble.distance_constraint_violation_method ? _pdbx_nmr_ensemble.maximum_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.average_torsion_angle_constraint_violation ? _pdbx_nmr_ensemble.torsion_angle_constraint_violation_method ? # _pdbx_nmr_representative.entry_id 1X26 _pdbx_nmr_representative.conformer_id 1 _pdbx_nmr_representative.selection_criteria 'lowest energy' # _pdbx_nmr_sample_details.solution_id 1 _pdbx_nmr_sample_details.contents '50mM phosphate buffer NA, 100mM NaCl, 0.1mM EDTA' _pdbx_nmr_sample_details.solvent_system '90% H2O/10% 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 1 293 ambient 6.5 150 . K 2 303 ambient 6.5 150 . K # loop_ _pdbx_nmr_exptl.experiment_id _pdbx_nmr_exptl.conditions_id _pdbx_nmr_exptl.type _pdbx_nmr_exptl.solution_id 1 1 '2D TOCSY' 1 2 1 '2D NOESY' 1 3 2 '2D TOCSY' 2 4 2 '2D NOESY' 2 5 1 DQF-COSY 1 # _pdbx_nmr_details.entry_id 1X26 _pdbx_nmr_details.text 'This structure was determined using standard 2D homonuclear techniques' # _pdbx_nmr_refine.entry_id 1X26 _pdbx_nmr_refine.method 'simulated annealing' _pdbx_nmr_refine.details ? _pdbx_nmr_refine.software_ordinal 1 # loop_ _pdbx_nmr_software.classification _pdbx_nmr_software.name _pdbx_nmr_software.version _pdbx_nmr_software.authors _pdbx_nmr_software.ordinal refinement MARDIGRAS 3.0 'Liu, H.' 1 'structure solution' CNS 1.1 'Brunger, A.T.' 2 # loop_ _chem_comp_atom.comp_id _chem_comp_atom.atom_id _chem_comp_atom.type_symbol _chem_comp_atom.pdbx_aromatic_flag _chem_comp_atom.pdbx_stereo_config _chem_comp_atom.pdbx_ordinal 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 NAZ C1 C N N 144 NAZ O2 O N N 145 NAZ C3 C N N 146 NAZ N4 N N N 147 NAZ C5 C N N 148 NAZ C6 C N N 149 NAZ C7 C N N 150 NAZ C8 C Y N 151 NAZ C9 C Y N 152 NAZ N10 N Y N 153 NAZ C11 C Y N 154 NAZ C12 C Y N 155 NAZ C13 C Y N 156 NAZ C14 C Y N 157 NAZ C15 C Y N 158 NAZ C16 C Y N 159 NAZ N17 N Y N 160 NAZ N18 N N N 161 NAZ C19 C N N 162 NAZ O20 O N N 163 NAZ C21 C N N 164 NAZ C22 C N N 165 NAZ N23 N N N 166 NAZ C24 C Y N 167 NAZ C25 C Y N 168 NAZ N26 N Y N 169 NAZ C27 C Y N 170 NAZ C28 C Y N 171 NAZ C29 C Y N 172 NAZ C30 C Y N 173 NAZ C31 C Y N 174 NAZ C32 C Y N 175 NAZ N33 N Y N 176 NAZ O34 O N N 177 NAZ H36 H N N 178 NAZ H37 H N N 179 NAZ H38 H N N 180 NAZ H39 H N N 181 NAZ H40 H N N 182 NAZ H41 H N N 183 NAZ H42 H N N 184 NAZ H43 H N N 185 NAZ H44 H N N 186 NAZ H45 H N N 187 NAZ H46 H N N 188 NAZ H47 H N N 189 NAZ H48 H N N 190 NAZ H49 H N N 191 NAZ H50 H N N 192 NAZ H51 H N N 193 NAZ H52 H N N 194 NAZ H53 H N N 195 NAZ H54 H N N 196 NAZ H55 H N N 197 NAZ H56 H N N 198 NAZ H35 H N N 199 NAZ H57 H N N 200 NAZ H58 H N N 201 NAZ H59 H N N 202 # 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 NAZ C1 N23 sing N N 150 NAZ C1 C32 sing N N 151 NAZ C1 H36 sing N N 152 NAZ C1 H37 sing N N 153 NAZ O2 C22 doub N N 154 NAZ C3 N4 sing N N 155 NAZ C3 C21 sing N N 156 NAZ C3 H38 sing N N 157 NAZ C3 H39 sing N N 158 NAZ N4 C5 sing N N 159 NAZ N4 H40 sing N N 160 NAZ C5 C6 sing N N 161 NAZ C5 H41 sing N N 162 NAZ C5 H42 sing N N 163 NAZ C6 C7 sing N N 164 NAZ C6 H43 sing N N 165 NAZ C6 H44 sing N N 166 NAZ C7 N18 sing N N 167 NAZ C7 O20 doub N N 168 NAZ C8 C9 sing Y N 169 NAZ C8 N10 doub Y N 170 NAZ C8 N18 sing N N 171 NAZ C9 C11 doub Y N 172 NAZ C9 H45 sing N N 173 NAZ N10 C12 sing Y N 174 NAZ C11 C13 sing Y N 175 NAZ C11 H46 sing N N 176 NAZ C12 C13 sing Y N 177 NAZ C12 N17 doub Y N 178 NAZ C13 C15 doub Y N 179 NAZ C14 C15 sing Y N 180 NAZ C14 C16 doub Y N 181 NAZ C14 H47 sing N N 182 NAZ C15 H48 sing N N 183 NAZ C16 N17 sing Y N 184 NAZ C16 C19 sing N N 185 NAZ N18 H49 sing N N 186 NAZ C19 H50 sing N N 187 NAZ C19 H51 sing N N 188 NAZ C19 H52 sing N N 189 NAZ C21 C22 sing N N 190 NAZ C21 H53 sing N N 191 NAZ C21 H54 sing N N 192 NAZ C22 N23 sing N N 193 NAZ N23 H55 sing N N 194 NAZ C24 C25 sing Y N 195 NAZ C24 N26 sing Y N 196 NAZ C24 O34 doub N N 197 NAZ C25 C27 doub Y N 198 NAZ C25 H56 sing N N 199 NAZ N26 C28 sing Y N 200 NAZ N26 H35 sing N N 201 NAZ C27 C29 sing Y N 202 NAZ C27 H57 sing N N 203 NAZ C28 C29 sing Y N 204 NAZ C28 N33 doub Y N 205 NAZ C29 C31 doub Y N 206 NAZ C30 C31 sing Y N 207 NAZ C30 C32 doub Y N 208 NAZ C30 H58 sing N N 209 NAZ C31 H59 sing N N 210 NAZ C32 N33 sing Y N 211 # loop_ _ndb_struct_conf_na.entry_id _ndb_struct_conf_na.feature 1X26 'double helix' 1X26 'internal loop' # loop_ _ndb_struct_na_base_pair.model_number _ndb_struct_na_base_pair.i_label_asym_id _ndb_struct_na_base_pair.i_label_comp_id _ndb_struct_na_base_pair.i_label_seq_id _ndb_struct_na_base_pair.i_symmetry _ndb_struct_na_base_pair.j_label_asym_id _ndb_struct_na_base_pair.j_label_comp_id _ndb_struct_na_base_pair.j_label_seq_id _ndb_struct_na_base_pair.j_symmetry _ndb_struct_na_base_pair.shear _ndb_struct_na_base_pair.stretch _ndb_struct_na_base_pair.stagger _ndb_struct_na_base_pair.buckle _ndb_struct_na_base_pair.propeller _ndb_struct_na_base_pair.opening _ndb_struct_na_base_pair.pair_number _ndb_struct_na_base_pair.pair_name _ndb_struct_na_base_pair.i_auth_asym_id _ndb_struct_na_base_pair.i_auth_seq_id _ndb_struct_na_base_pair.i_PDB_ins_code _ndb_struct_na_base_pair.j_auth_asym_id _ndb_struct_na_base_pair.j_auth_seq_id _ndb_struct_na_base_pair.j_PDB_ins_code _ndb_struct_na_base_pair.hbond_type_28 _ndb_struct_na_base_pair.hbond_type_12 1 A DC 1 1_555 B DG 11 1_555 0.139 -0.358 0.101 3.782 -12.498 -0.114 1 A_DC1:DG22_B A 1 ? B 22 ? 19 1 1 A DT 2 1_555 B DA 10 1_555 -0.286 -0.005 -0.141 8.657 -6.484 6.434 2 A_DT2:DA21_B A 2 ? B 21 ? 20 1 1 A DA 3 1_555 B DT 9 1_555 0.013 -0.306 -0.219 -1.711 -5.225 -1.052 3 A_DA3:DT20_B A 3 ? B 20 ? 20 1 1 A DA 4 1_555 B DT 8 1_555 0.212 -0.135 -0.363 -3.809 -10.973 7.853 4 A_DA4:DT19_B A 4 ? B 19 ? 20 1 1 A DA 8 1_555 B DT 4 1_555 -0.246 -0.301 -0.393 -3.961 -5.523 -3.875 5 A_DA8:DT15_B A 8 ? B 15 ? 20 1 1 A DA 9 1_555 B DT 3 1_555 0.079 -0.294 0.132 2.281 -6.356 -2.254 6 A_DA9:DT14_B A 9 ? B 14 ? 20 1 1 A DT 10 1_555 B DA 2 1_555 -0.218 -0.078 -0.184 -2.757 -8.920 -4.314 7 A_DT10:DA13_B A 10 ? B 13 ? 20 1 1 A DG 11 1_555 B DC 1 1_555 -0.222 -0.260 0.089 -1.363 -9.017 -0.795 8 A_DG11:DC12_B A 11 ? B 12 ? 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 11 1_555 A DT 2 1_555 B DA 10 1_555 1.216 0.270 2.918 5.744 -6.836 38.361 1.142 -1.183 2.973 -10.234 -8.599 39.348 1 AA_DC1DT2:DA21DG22_BB A 1 ? B 22 ? A 2 ? B 21 ? 1 A DT 2 1_555 B DA 10 1_555 A DA 3 1_555 B DT 9 1_555 -0.308 -0.010 2.919 -0.264 3.508 46.441 -0.275 0.369 2.912 4.442 0.334 46.566 2 AA_DT2DA3:DT20DA21_BB A 2 ? B 21 ? A 3 ? B 20 ? 1 A DA 3 1_555 B DT 9 1_555 A DA 4 1_555 B DT 8 1_555 -0.262 0.363 2.842 -3.106 5.781 43.402 0.004 0.091 2.876 7.764 4.171 43.871 3 AA_DA3DA4:DT19DT20_BB A 3 ? B 20 ? A 4 ? B 19 ? 1 A DA 8 1_555 B DT 4 1_555 A DA 9 1_555 B DT 3 1_555 -0.128 -0.173 2.660 -5.231 -4.502 44.589 0.105 -0.217 2.662 -5.891 6.845 45.093 4 AA_DA8DA9:DT14DT15_BB A 8 ? B 15 ? A 9 ? B 14 ? 1 A DA 9 1_555 B DT 3 1_555 A DT 10 1_555 B DA 2 1_555 -0.602 -0.320 3.113 3.382 -13.271 40.177 0.861 1.166 3.010 -18.674 -4.759 42.355 5 AA_DA9DT10:DA13DT14_BB A 9 ? B 14 ? A 10 ? B 13 ? 1 A DT 10 1_555 B DA 2 1_555 A DG 11 1_555 B DC 1 1_555 0.018 0.883 3.287 -1.191 -10.172 42.049 2.170 -0.138 3.003 -13.929 1.631 43.223 6 AA_DT10DG11:DC12DA13_BB A 10 ? B 13 ? A 11 ? B 12 ? # loop_ _pdbx_nmr_spectrometer.spectrometer_id _pdbx_nmr_spectrometer.model _pdbx_nmr_spectrometer.manufacturer _pdbx_nmr_spectrometer.field_strength _pdbx_nmr_spectrometer.type 1 AVANCE Bruker 500 ? 2 DRX Bruker 800 ? # _atom_sites.entry_id 1X26 _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_ #