data_1AKX
# 
_entry.id   1AKX 
# 
_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   1AKX         pdb_00001akx 10.2210/pdb1akx/pdb 
WWPDB D_1000170944 ?            ?                   
# 
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 1997-11-19 
2 'Structure model' 1 1 2008-03-24 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2022-02-16 
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' 'Database references'       
4 4 'Structure model' 'Derived calculations'      
5 4 'Structure model' Other                       
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_database_status  
3 4 'Structure model' pdbx_struct_assembly  
4 4 'Structure model' pdbx_struct_oper_list 
5 4 'Structure model' struct_site           
6 5 'Structure model' chem_comp_atom        
7 5 'Structure model' chem_comp_bond        
# 
loop_
_pdbx_audit_revision_item.ordinal 
_pdbx_audit_revision_item.revision_ordinal 
_pdbx_audit_revision_item.data_content_type 
_pdbx_audit_revision_item.item 
1 4 'Structure model' '_database_2.pdbx_DOI'                
2 4 'Structure model' '_database_2.pdbx_database_accession' 
3 4 'Structure model' '_pdbx_database_status.process_site'  
4 4 'Structure model' '_struct_site.pdbx_auth_asym_id'      
5 4 'Structure model' '_struct_site.pdbx_auth_comp_id'      
6 4 'Structure model' '_struct_site.pdbx_auth_seq_id'       
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1AKX 
_pdbx_database_status.recvd_initial_deposition_date   1997-05-27 
_pdbx_database_status.deposit_site                    ? 
_pdbx_database_status.process_site                    BNL 
_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    ? 
# 
_pdbx_database_related.db_name        PDB 
_pdbx_database_related.db_id          1AJU 
_pdbx_database_related.details        'ENSEMBLE OF 20 STRUCTURES' 
_pdbx_database_related.content_type   unspecified 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Brodsky, A.S.'    1 
'Williamson, J.R.' 2 
# 
loop_
_citation.id 
_citation.title 
_citation.journal_abbrev 
_citation.journal_volume 
_citation.page_first 
_citation.page_last 
_citation.year 
_citation.journal_id_ASTM 
_citation.country 
_citation.journal_id_ISSN 
_citation.journal_id_CSD 
_citation.book_publisher 
_citation.pdbx_database_id_PubMed 
_citation.pdbx_database_id_DOI 
primary 'Solution structure of the HIV-2 TAR-argininamide complex.'                                                             
J.Mol.Biol.            267 624  639 1997 JMOBAK UK 0022-2836 0070 ? 9126842 10.1006/jmbi.1996.0879 
1       'Geometric Parameters in Nucleic Acids: Sugar and Phosphate Constituents'                                               
J.Am.Chem.Soc.         118 519  ?   1996 JACSAT US 0002-7863 0004 ? ?       ?                      
2       'The Structure of the Human Immunodeficiency Virus Type-1 Tar RNA Reveals Principles of RNA Recognition by Tat Protein' 
J.Mol.Biol.            253 313  ?   1995 JMOBAK UK 0022-2836 0070 ? ?       ?                      
3       'Role of RNA Structure in Arginine Recognition of Tar RNA'                                                              
Proc.Natl.Acad.Sci.USA 90  3680 ?   1993 PNASA6 US 0027-8424 0040 ? ?       ?                      
4       'Conformation of the Tar RNA-Arginine Complex by NMR Spectroscopy'                                                      
Science                257 76   ?   1992 SCIEAS US 0036-8075 0038 ? ?       ?                      
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Brodsky, A.S.'    1  ? 
primary 'Williamson, J.R.' 2  ? 
1       'Gelbin, A.'       3  ? 
1       'Schneider, B.'    4  ? 
1       'Clowny, L.'       5  ? 
1       'Hsieh, S.-H.'     6  ? 
1       'Olsen, W.K.'      7  ? 
1       'Berman, H.M.'     8  ? 
2       'Aboul-Ela, F.'    9  ? 
2       'Karn, J.'         10 ? 
2       'Varani, G.'       11 ? 
3       'Puglisi, J.D.'    12 ? 
3       'Chen, L.'         13 ? 
3       'Frankel, A.D.'    14 ? 
3       'Williamson, J.R.' 15 ? 
4       'Puglisi, J.D.'    16 ? 
4       'Tan, R.'          17 ? 
4       'Calnan, B.J.'     18 ? 
4       'Frankel, A.D.'    19 ? 
4       'Williamson, J.R.' 20 ? 
# 
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 'TAR RNA' 9652.761 1 ? ? ? ? 
2 non-polymer syn ARGININE  175.209  1 ? ? ? ? 
# 
_entity_name_com.entity_id   1 
_entity_name_com.name        TAR 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   no 
_entity_poly.pdbx_seq_one_letter_code       GGCCAGAUUGAGCCUGGGAGCUCUCUGGCC 
_entity_poly.pdbx_seq_one_letter_code_can   GGCCAGAUUGAGCCUGGGAGCUCUCUGGCC 
_entity_poly.pdbx_strand_id                 A 
_entity_poly.pdbx_target_identifier         ? 
# 
_pdbx_entity_nonpoly.entity_id   2 
_pdbx_entity_nonpoly.name        ARGININE 
_pdbx_entity_nonpoly.comp_id     ARG 
# 
loop_
_entity_poly_seq.entity_id 
_entity_poly_seq.num 
_entity_poly_seq.mon_id 
_entity_poly_seq.hetero 
1 1  G n 
1 2  G n 
1 3  C n 
1 4  C n 
1 5  A n 
1 6  G n 
1 7  A n 
1 8  U n 
1 9  U n 
1 10 G n 
1 11 A n 
1 12 G n 
1 13 C n 
1 14 C n 
1 15 U n 
1 16 G n 
1 17 G n 
1 18 G n 
1 19 A n 
1 20 G n 
1 21 C n 
1 22 U n 
1 23 C n 
1 24 U n 
1 25 C n 
1 26 U n 
1 27 G n 
1 28 G n 
1 29 C n 
1 30 C 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 
ARG 'L-peptide linking' y ARGININE                     ? 'C6 H15 N4 O2 1'  175.209 
C   'RNA linking'       y "CYTIDINE-5'-MONOPHOSPHATE"  ? 'C9 H14 N3 O8 P'  323.197 
G   'RNA linking'       y "GUANOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O8 P' 363.221 
U   'RNA linking'       y "URIDINE-5'-MONOPHOSPHATE"   ? 'C9 H13 N2 O9 P'  324.181 
# 
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  G 1  16 16 G G A . n 
A 1 2  G 2  17 17 G G A . n 
A 1 3  C 3  18 18 C C A . n 
A 1 4  C 4  19 19 C C A . n 
A 1 5  A 5  20 20 A A A . n 
A 1 6  G 6  21 21 G G A . n 
A 1 7  A 7  22 22 A A A . n 
A 1 8  U 8  23 23 U U A . n 
A 1 9  U 9  25 25 U U A . n 
A 1 10 G 10 26 26 G G A . n 
A 1 11 A 11 27 27 A A A . n 
A 1 12 G 12 28 28 G G A . n 
A 1 13 C 13 29 29 C C A . n 
A 1 14 C 14 30 30 C C A . n 
A 1 15 U 15 31 31 U U A . n 
A 1 16 G 16 32 32 G G A . n 
A 1 17 G 17 33 33 G G A . n 
A 1 18 G 18 34 34 G G A . n 
A 1 19 A 19 35 35 A A A . n 
A 1 20 G 20 36 36 G G A . n 
A 1 21 C 21 37 37 C C A . n 
A 1 22 U 22 38 38 U U A . n 
A 1 23 C 23 39 39 C C A . n 
A 1 24 U 24 40 40 U U A . n 
A 1 25 C 25 41 41 C C A . n 
A 1 26 U 26 42 42 U U A . n 
A 1 27 G 27 43 43 G G A . n 
A 1 28 G 28 44 44 G G A . n 
A 1 29 C 29 45 45 C C A . n 
A 1 30 C 30 46 46 C C A . n 
# 
_pdbx_nonpoly_scheme.asym_id         B 
_pdbx_nonpoly_scheme.entity_id       2 
_pdbx_nonpoly_scheme.mon_id          ARG 
_pdbx_nonpoly_scheme.ndb_seq_num     1 
_pdbx_nonpoly_scheme.pdb_seq_num     47 
_pdbx_nonpoly_scheme.auth_seq_num    47 
_pdbx_nonpoly_scheme.pdb_mon_id      ARG 
_pdbx_nonpoly_scheme.auth_mon_id     ARG 
_pdbx_nonpoly_scheme.pdb_strand_id   A 
_pdbx_nonpoly_scheme.pdb_ins_code    . 
# 
_pdbx_unobs_or_zero_occ_atoms.id               1 
_pdbx_unobs_or_zero_occ_atoms.PDB_model_num    1 
_pdbx_unobs_or_zero_occ_atoms.polymer_flag     N 
_pdbx_unobs_or_zero_occ_atoms.occupancy_flag   1 
_pdbx_unobs_or_zero_occ_atoms.auth_asym_id     A 
_pdbx_unobs_or_zero_occ_atoms.auth_comp_id     ARG 
_pdbx_unobs_or_zero_occ_atoms.auth_seq_id      47 
_pdbx_unobs_or_zero_occ_atoms.PDB_ins_code     ? 
_pdbx_unobs_or_zero_occ_atoms.auth_atom_id     OXT 
_pdbx_unobs_or_zero_occ_atoms.label_alt_id     ? 
_pdbx_unobs_or_zero_occ_atoms.label_asym_id    B 
_pdbx_unobs_or_zero_occ_atoms.label_comp_id    ARG 
_pdbx_unobs_or_zero_occ_atoms.label_seq_id     1 
_pdbx_unobs_or_zero_occ_atoms.label_atom_id    OXT 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
X-PLOR 'model building' 3.1 ? 1 
X-PLOR refinement       3.1 ? 2 
X-PLOR phasing          3.1 ? 3 
# 
_cell.entry_id           1AKX 
_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                         1AKX 
_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          1AKX 
_exptl.method            'SOLUTION NMR' 
_exptl.crystals_number   ? 
# 
_database_PDB_matrix.entry_id          1AKX 
_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                  1AKX 
_struct.title                     'HIV-2 TRANS ACTIVATING REGION RNA COMPLEX WITH ARGININAMIDE, NMR, MINIMIZED AVERAGE STRUCTURE' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1AKX 
_struct_keywords.pdbx_keywords   RNA 
_struct_keywords.text            'TRANSCRIPTIONAL ACTIVATION, COMPLEX (RNA-LIGAND), PROTEIN-RNA INTERACTIONS, RNA' 
# 
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 ? 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1AKX 
_struct_ref.pdbx_db_accession          1AKX 
_struct_ref.pdbx_db_isoform            ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
# 
_struct_ref_seq.align_id                      1 
_struct_ref_seq.ref_id                        1 
_struct_ref_seq.pdbx_PDB_id_code              1AKX 
_struct_ref_seq.pdbx_strand_id                A 
_struct_ref_seq.seq_align_beg                 1 
_struct_ref_seq.pdbx_seq_align_beg_ins_code   ? 
_struct_ref_seq.seq_align_end                 30 
_struct_ref_seq.pdbx_seq_align_end_ins_code   ? 
_struct_ref_seq.pdbx_db_accession             1AKX 
_struct_ref_seq.db_align_beg                  16 
_struct_ref_seq.pdbx_db_align_beg_ins_code    ? 
_struct_ref_seq.db_align_end                  46 
_struct_ref_seq.pdbx_db_align_end_ins_code    ? 
_struct_ref_seq.pdbx_auth_seq_align_beg       16 
_struct_ref_seq.pdbx_auth_seq_align_end       46 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   monomeric 
_pdbx_struct_assembly.oligomeric_count     1 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A,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 G 1  N1 ? ? ? 1_555 A C 30 N3 ? ? A G 16 A C 46 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog2  hydrog ? ? A G 1  N2 ? ? ? 1_555 A C 30 O2 ? ? A G 16 A C 46 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog3  hydrog ? ? A G 1  O6 ? ? ? 1_555 A C 30 N4 ? ? A G 16 A C 46 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog4  hydrog ? ? A G 2  N1 ? ? ? 1_555 A C 29 N3 ? ? A G 17 A C 45 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog5  hydrog ? ? A G 2  N2 ? ? ? 1_555 A C 29 O2 ? ? A G 17 A C 45 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog6  hydrog ? ? A G 2  O6 ? ? ? 1_555 A C 29 N4 ? ? A G 17 A C 45 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog7  hydrog ? ? A C 3  N3 ? ? ? 1_555 A G 28 N1 ? ? A C 18 A G 44 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog8  hydrog ? ? A C 3  N4 ? ? ? 1_555 A G 28 O6 ? ? A C 18 A G 44 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog9  hydrog ? ? A C 3  O2 ? ? ? 1_555 A G 28 N2 ? ? A C 18 A G 44 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog10 hydrog ? ? A C 4  N3 ? ? ? 1_555 A G 27 N1 ? ? A C 19 A G 43 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog11 hydrog ? ? A C 4  N4 ? ? ? 1_555 A G 27 O6 ? ? A C 19 A G 43 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog12 hydrog ? ? A C 4  O2 ? ? ? 1_555 A G 27 N2 ? ? A C 19 A G 43 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog13 hydrog ? ? A A 5  N1 ? ? ? 1_555 A U 26 N3 ? ? A A 20 A U 42 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog14 hydrog ? ? A A 5  N6 ? ? ? 1_555 A U 26 O4 ? ? A A 20 A U 42 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog15 hydrog ? ? A G 6  N1 ? ? ? 1_555 A C 25 N3 ? ? A G 21 A C 41 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog16 hydrog ? ? A G 6  N2 ? ? ? 1_555 A C 25 O2 ? ? A G 21 A C 41 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog17 hydrog ? ? A G 6  O6 ? ? ? 1_555 A C 25 N4 ? ? A G 21 A C 41 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog18 hydrog ? ? A A 7  N1 ? ? ? 1_555 A C 23 N4 ? ? A A 22 A C 39 1_555 ? ? ? ? ? ? 'A-C MISPAIR' ? ? ? 
hydrog19 hydrog ? ? A A 7  N1 ? ? ? 1_555 A U 24 N3 ? ? A A 22 A U 40 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog20 hydrog ? ? A A 7  N6 ? ? ? 1_555 A U 24 O4 ? ? A A 22 A U 40 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog21 hydrog ? ? A G 10 N1 ? ? ? 1_555 A C 23 N3 ? ? A G 26 A C 39 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog22 hydrog ? ? A G 10 N2 ? ? ? 1_555 A C 23 O2 ? ? A G 26 A C 39 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog23 hydrog ? ? A G 10 O6 ? ? ? 1_555 A C 23 N4 ? ? A G 26 A C 39 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog24 hydrog ? ? A A 11 N1 ? ? ? 1_555 A U 22 N3 ? ? A A 27 A U 38 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog25 hydrog ? ? A A 11 N6 ? ? ? 1_555 A U 22 O4 ? ? A A 27 A U 38 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog26 hydrog ? ? A G 12 N1 ? ? ? 1_555 A C 21 N3 ? ? A G 28 A C 37 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog27 hydrog ? ? A G 12 N2 ? ? ? 1_555 A C 21 O2 ? ? A G 28 A C 37 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog28 hydrog ? ? A G 12 O6 ? ? ? 1_555 A C 21 N4 ? ? A G 28 A C 37 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog29 hydrog ? ? A C 13 N3 ? ? ? 1_555 A G 20 N1 ? ? A C 29 A G 36 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog30 hydrog ? ? A C 13 N4 ? ? ? 1_555 A G 20 O6 ? ? A C 29 A G 36 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog31 hydrog ? ? A C 13 O2 ? ? ? 1_555 A G 20 N2 ? ? A C 29 A G 36 1_555 ? ? ? ? ? ? WATSON-CRICK  ? ? ? 
hydrog32 hydrog ? ? A G 16 N2 ? ? ? 1_555 A G 17 O6 ? ? A G 32 A G 33 1_555 ? ? ? ? ? ? 'G-G MISPAIR' ? ? ? 
# 
_struct_conn_type.id          hydrog 
_struct_conn_type.criteria    ? 
_struct_conn_type.reference   ? 
# 
_struct_site.id                   AC1 
_struct_site.pdbx_evidence_code   Software 
_struct_site.pdbx_auth_asym_id    A 
_struct_site.pdbx_auth_comp_id    ARG 
_struct_site.pdbx_auth_seq_id     47 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    4 
_struct_site.details              'BINDING SITE FOR RESIDUE ARG A 47' 
# 
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 4 A A 7  ? A A 22 . ? 1_555 ? 
2 AC1 4 U A 8  ? U A 23 . ? 1_555 ? 
3 AC1 4 G A 10 ? G A 26 . ? 1_555 ? 
4 AC1 4 C A 21 ? C A 37 . ? 1_555 ? 
# 
_pdbx_validate_planes.id              1 
_pdbx_validate_planes.PDB_model_num   1 
_pdbx_validate_planes.auth_comp_id    ARG 
_pdbx_validate_planes.auth_asym_id    A 
_pdbx_validate_planes.auth_seq_id     47 
_pdbx_validate_planes.PDB_ins_code    ? 
_pdbx_validate_planes.label_alt_id    ? 
_pdbx_validate_planes.rmsd            0.209 
_pdbx_validate_planes.type            'SIDE CHAIN' 
# 
_pdbx_nmr_ensemble.entry_id                             1AKX 
_pdbx_nmr_ensemble.conformers_calculated_total_number   20 
_pdbx_nmr_ensemble.conformers_submitted_total_number    1 
_pdbx_nmr_ensemble.conformer_selection_criteria         'LEAST RESTRAINTS AND LOWEST ENERGY' 
# 
_pdbx_nmr_exptl_sample_conditions.conditions_id       1 
_pdbx_nmr_exptl_sample_conditions.temperature         298 
_pdbx_nmr_exptl_sample_conditions.pressure            ? 
_pdbx_nmr_exptl_sample_conditions.pH                  6.4 
_pdbx_nmr_exptl_sample_conditions.ionic_strength      ? 
_pdbx_nmr_exptl_sample_conditions.pressure_units      ? 
_pdbx_nmr_exptl_sample_conditions.temperature_units   K 
# 
_pdbx_nmr_exptl.experiment_id   1 
_pdbx_nmr_exptl.conditions_id   1 
_pdbx_nmr_exptl.type            'SEE PAPER' 
_pdbx_nmr_exptl.solution_id     1 
# 
_pdbx_nmr_refine.entry_id           1AKX 
_pdbx_nmr_refine.method             'RANDOM COORDINATES AND SIMULATED ANNEALING' 
_pdbx_nmr_refine.details            ? 
_pdbx_nmr_refine.software_ordinal   1 
# 
loop_
_pdbx_nmr_software.classification 
_pdbx_nmr_software.name 
_pdbx_nmr_software.version 
_pdbx_nmr_software.authors 
_pdbx_nmr_software.ordinal 
refinement           X-PLOR 3.1 BRUNGER 1 
'structure solution' X-PLOR 3.1 ?       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  
ARG N      N N N 38  
ARG CA     C N S 39  
ARG C      C N N 40  
ARG O      O N N 41  
ARG CB     C N N 42  
ARG CG     C N N 43  
ARG CD     C N N 44  
ARG NE     N N N 45  
ARG CZ     C N N 46  
ARG NH1    N N N 47  
ARG NH2    N N N 48  
ARG OXT    O N N 49  
ARG H      H N N 50  
ARG H2     H N N 51  
ARG HA     H N N 52  
ARG HB2    H N N 53  
ARG HB3    H N N 54  
ARG HG2    H N N 55  
ARG HG3    H N N 56  
ARG HD2    H N N 57  
ARG HD3    H N N 58  
ARG HE     H N N 59  
ARG HH11   H N N 60  
ARG HH12   H N N 61  
ARG HH21   H N N 62  
ARG HH22   H N N 63  
ARG HXT    H N N 64  
C   OP3    O N N 65  
C   P      P N N 66  
C   OP1    O N N 67  
C   OP2    O N N 68  
C   "O5'"  O N N 69  
C   "C5'"  C N N 70  
C   "C4'"  C N R 71  
C   "O4'"  O N N 72  
C   "C3'"  C N S 73  
C   "O3'"  O N N 74  
C   "C2'"  C N R 75  
C   "O2'"  O N N 76  
C   "C1'"  C N R 77  
C   N1     N N N 78  
C   C2     C N N 79  
C   O2     O N N 80  
C   N3     N N N 81  
C   C4     C N N 82  
C   N4     N N N 83  
C   C5     C N N 84  
C   C6     C N N 85  
C   HOP3   H N N 86  
C   HOP2   H N N 87  
C   "H5'"  H N N 88  
C   "H5''" H N N 89  
C   "H4'"  H N N 90  
C   "H3'"  H N N 91  
C   "HO3'" H N N 92  
C   "H2'"  H N N 93  
C   "HO2'" H N N 94  
C   "H1'"  H N N 95  
C   H41    H N N 96  
C   H42    H N N 97  
C   H5     H N N 98  
C   H6     H N N 99  
G   OP3    O N N 100 
G   P      P N N 101 
G   OP1    O N N 102 
G   OP2    O N N 103 
G   "O5'"  O N N 104 
G   "C5'"  C N N 105 
G   "C4'"  C N R 106 
G   "O4'"  O N N 107 
G   "C3'"  C N S 108 
G   "O3'"  O N N 109 
G   "C2'"  C N R 110 
G   "O2'"  O N N 111 
G   "C1'"  C N R 112 
G   N9     N Y N 113 
G   C8     C Y N 114 
G   N7     N Y N 115 
G   C5     C Y N 116 
G   C6     C N N 117 
G   O6     O N N 118 
G   N1     N N N 119 
G   C2     C N N 120 
G   N2     N N N 121 
G   N3     N N N 122 
G   C4     C Y N 123 
G   HOP3   H N N 124 
G   HOP2   H N N 125 
G   "H5'"  H N N 126 
G   "H5''" H N N 127 
G   "H4'"  H N N 128 
G   "H3'"  H N N 129 
G   "HO3'" H N N 130 
G   "H2'"  H N N 131 
G   "HO2'" H N N 132 
G   "H1'"  H N N 133 
G   H8     H N N 134 
G   H1     H N N 135 
G   H21    H N N 136 
G   H22    H N N 137 
U   OP3    O N N 138 
U   P      P N N 139 
U   OP1    O N N 140 
U   OP2    O N N 141 
U   "O5'"  O N N 142 
U   "C5'"  C N N 143 
U   "C4'"  C N R 144 
U   "O4'"  O N N 145 
U   "C3'"  C N S 146 
U   "O3'"  O N N 147 
U   "C2'"  C N R 148 
U   "O2'"  O N N 149 
U   "C1'"  C N R 150 
U   N1     N N N 151 
U   C2     C N N 152 
U   O2     O N N 153 
U   N3     N N N 154 
U   C4     C N N 155 
U   O4     O N N 156 
U   C5     C N N 157 
U   C6     C N N 158 
U   HOP3   H N N 159 
U   HOP2   H N N 160 
U   "H5'"  H N N 161 
U   "H5''" H N N 162 
U   "H4'"  H N N 163 
U   "H3'"  H N N 164 
U   "HO3'" H N N 165 
U   "H2'"  H N N 166 
U   "HO2'" H N N 167 
U   "H1'"  H N N 168 
U   H3     H N N 169 
U   H5     H N N 170 
U   H6     H N N 171 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
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  
ARG N     CA     sing N N 40  
ARG N     H      sing N N 41  
ARG N     H2     sing N N 42  
ARG CA    C      sing N N 43  
ARG CA    CB     sing N N 44  
ARG CA    HA     sing N N 45  
ARG C     O      doub N N 46  
ARG C     OXT    sing N N 47  
ARG CB    CG     sing N N 48  
ARG CB    HB2    sing N N 49  
ARG CB    HB3    sing N N 50  
ARG CG    CD     sing N N 51  
ARG CG    HG2    sing N N 52  
ARG CG    HG3    sing N N 53  
ARG CD    NE     sing N N 54  
ARG CD    HD2    sing N N 55  
ARG CD    HD3    sing N N 56  
ARG NE    CZ     sing N N 57  
ARG NE    HE     sing N N 58  
ARG CZ    NH1    sing N N 59  
ARG CZ    NH2    doub N N 60  
ARG NH1   HH11   sing N N 61  
ARG NH1   HH12   sing N N 62  
ARG NH2   HH21   sing N N 63  
ARG NH2   HH22   sing N N 64  
ARG OXT   HXT    sing N N 65  
C   OP3   P      sing N N 66  
C   OP3   HOP3   sing N N 67  
C   P     OP1    doub N N 68  
C   P     OP2    sing N N 69  
C   P     "O5'"  sing N N 70  
C   OP2   HOP2   sing N N 71  
C   "O5'" "C5'"  sing N N 72  
C   "C5'" "C4'"  sing N N 73  
C   "C5'" "H5'"  sing N N 74  
C   "C5'" "H5''" sing N N 75  
C   "C4'" "O4'"  sing N N 76  
C   "C4'" "C3'"  sing N N 77  
C   "C4'" "H4'"  sing N N 78  
C   "O4'" "C1'"  sing N N 79  
C   "C3'" "O3'"  sing N N 80  
C   "C3'" "C2'"  sing N N 81  
C   "C3'" "H3'"  sing N N 82  
C   "O3'" "HO3'" sing N N 83  
C   "C2'" "O2'"  sing N N 84  
C   "C2'" "C1'"  sing N N 85  
C   "C2'" "H2'"  sing N N 86  
C   "O2'" "HO2'" sing N N 87  
C   "C1'" N1     sing N N 88  
C   "C1'" "H1'"  sing N N 89  
C   N1    C2     sing N N 90  
C   N1    C6     sing N N 91  
C   C2    O2     doub N N 92  
C   C2    N3     sing N N 93  
C   N3    C4     doub N N 94  
C   C4    N4     sing N N 95  
C   C4    C5     sing N N 96  
C   N4    H41    sing N N 97  
C   N4    H42    sing N N 98  
C   C5    C6     doub N N 99  
C   C5    H5     sing N N 100 
C   C6    H6     sing N N 101 
G   OP3   P      sing N N 102 
G   OP3   HOP3   sing N N 103 
G   P     OP1    doub N N 104 
G   P     OP2    sing N N 105 
G   P     "O5'"  sing N N 106 
G   OP2   HOP2   sing N N 107 
G   "O5'" "C5'"  sing N N 108 
G   "C5'" "C4'"  sing N N 109 
G   "C5'" "H5'"  sing N N 110 
G   "C5'" "H5''" sing N N 111 
G   "C4'" "O4'"  sing N N 112 
G   "C4'" "C3'"  sing N N 113 
G   "C4'" "H4'"  sing N N 114 
G   "O4'" "C1'"  sing N N 115 
G   "C3'" "O3'"  sing N N 116 
G   "C3'" "C2'"  sing N N 117 
G   "C3'" "H3'"  sing N N 118 
G   "O3'" "HO3'" sing N N 119 
G   "C2'" "O2'"  sing N N 120 
G   "C2'" "C1'"  sing N N 121 
G   "C2'" "H2'"  sing N N 122 
G   "O2'" "HO2'" sing N N 123 
G   "C1'" N9     sing N N 124 
G   "C1'" "H1'"  sing N N 125 
G   N9    C8     sing Y N 126 
G   N9    C4     sing Y N 127 
G   C8    N7     doub Y N 128 
G   C8    H8     sing N N 129 
G   N7    C5     sing Y N 130 
G   C5    C6     sing N N 131 
G   C5    C4     doub Y N 132 
G   C6    O6     doub N N 133 
G   C6    N1     sing N N 134 
G   N1    C2     sing N N 135 
G   N1    H1     sing N N 136 
G   C2    N2     sing N N 137 
G   C2    N3     doub N N 138 
G   N2    H21    sing N N 139 
G   N2    H22    sing N N 140 
G   N3    C4     sing N N 141 
U   OP3   P      sing N N 142 
U   OP3   HOP3   sing N N 143 
U   P     OP1    doub N N 144 
U   P     OP2    sing N N 145 
U   P     "O5'"  sing N N 146 
U   OP2   HOP2   sing N N 147 
U   "O5'" "C5'"  sing N N 148 
U   "C5'" "C4'"  sing N N 149 
U   "C5'" "H5'"  sing N N 150 
U   "C5'" "H5''" sing N N 151 
U   "C4'" "O4'"  sing N N 152 
U   "C4'" "C3'"  sing N N 153 
U   "C4'" "H4'"  sing N N 154 
U   "O4'" "C1'"  sing N N 155 
U   "C3'" "O3'"  sing N N 156 
U   "C3'" "C2'"  sing N N 157 
U   "C3'" "H3'"  sing N N 158 
U   "O3'" "HO3'" sing N N 159 
U   "C2'" "O2'"  sing N N 160 
U   "C2'" "C1'"  sing N N 161 
U   "C2'" "H2'"  sing N N 162 
U   "O2'" "HO2'" sing N N 163 
U   "C1'" N1     sing N N 164 
U   "C1'" "H1'"  sing N N 165 
U   N1    C2     sing N N 166 
U   N1    C6     sing N N 167 
U   C2    O2     doub N N 168 
U   C2    N3     sing N N 169 
U   N3    C4     sing N N 170 
U   N3    H3     sing N N 171 
U   C4    O4     doub N N 172 
U   C4    C5     sing N N 173 
U   C5    C6     doub N N 174 
U   C5    H5     sing N N 175 
U   C6    H6     sing N N 176 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1AKX 'double helix'         
1AKX 'a-form double helix'  
1AKX 'mismatched base pair' 
1AKX '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 G 1  1_555 A C 30 1_555 -0.968 -0.155 -0.500 -27.968 -19.553 2.084   1  A_G16:C46_A A 16 ? A 46 ? 19 1 
1 A G 2  1_555 A C 29 1_555 -0.109 -0.095 0.306  -10.747 -13.020 1.532   2  A_G17:C45_A A 17 ? A 45 ? 19 1 
1 A C 3  1_555 A G 28 1_555 -0.393 -0.073 0.357  -0.040  -14.641 -0.764  3  A_C18:G44_A A 18 ? A 44 ? 19 1 
1 A C 4  1_555 A G 27 1_555 -0.389 -0.084 0.494  2.523   -16.093 -1.218  4  A_C19:G43_A A 19 ? A 43 ? 19 1 
1 A A 5  1_555 A U 26 1_555 0.066  -0.291 0.839  0.732   -14.127 0.750   5  A_A20:U42_A A 20 ? A 42 ? 20 1 
1 A G 6  1_555 A C 25 1_555 0.100  -0.156 0.473  -1.954  -20.319 1.886   6  A_G21:C41_A A 21 ? A 41 ? 19 1 
1 A A 7  1_555 A U 24 1_555 0.275  -0.291 0.782  -7.025  -25.893 -12.391 7  A_A22:U40_A A 22 ? A 40 ? 20 1 
1 A G 10 1_555 A C 23 1_555 -0.887 -0.332 0.201  -15.655 -21.388 -4.695  8  A_G26:C39_A A 26 ? A 39 ? 19 1 
1 A A 11 1_555 A U 22 1_555 -0.181 -0.171 0.500  -2.690  -6.248  -4.816  9  A_A27:U38_A A 27 ? A 38 ? 20 1 
1 A G 12 1_555 A C 21 1_555 -0.083 -0.145 0.781  14.424  -9.949  -2.587  10 A_G28:C37_A A 28 ? A 37 ? 19 1 
1 A C 13 1_555 A G 20 1_555 1.213  -0.426 0.037  14.752  -20.906 -2.367  11 A_C29:G36_A A 29 ? A 36 ? 19 1 
1 A G 16 1_555 A G 17 1_555 -6.437 0.602  2.155  -39.643 -21.089 -4.402  12 A_G32:G33_A A 32 ? A 33 ? ?  ? 
# 
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 G 1  1_555 A C 30 1_555 A G 2  1_555 A C 29 1_555 0.224  -1.057 2.766 -4.901 2.574   32.677 -2.212 -1.077 2.617 4.535   8.633  
33.130 1  AA_G16G17:C45C46_AA A 16 ? A 46 ? A 17 ? A 45 ? 
1 A G 2  1_555 A C 29 1_555 A C 3  1_555 A G 28 1_555 -0.146 -1.911 2.787 1.484  -1.515  33.444 -3.099 0.464  2.860 -2.629  -2.575 
33.510 2  AA_G17C18:G44C45_AA A 17 ? A 45 ? A 18 ? A 44 ? 
1 A C 3  1_555 A G 28 1_555 A C 4  1_555 A G 27 1_555 0.287  -2.106 2.862 -1.019 4.668   28.961 -4.984 -0.747 2.488 9.254   2.021  
29.344 3  AA_C18C19:G43G44_AA A 18 ? A 44 ? A 19 ? A 43 ? 
1 A C 4  1_555 A G 27 1_555 A A 5  1_555 A U 26 1_555 0.048  -1.776 2.974 -4.034 -0.592  35.939 -2.785 -0.597 2.979 -0.956  6.512  
36.162 4  AA_C19A20:U42G43_AA A 19 ? A 43 ? A 20 ? A 42 ? 
1 A A 5  1_555 A U 26 1_555 A G 6  1_555 A C 25 1_555 0.367  -1.680 3.552 3.927  -11.057 35.116 -0.904 0.041  3.905 -17.725 -6.296 
36.965 5  AA_A20G21:C41U42_AA A 20 ? A 42 ? A 21 ? A 41 ? 
1 A G 6  1_555 A C 25 1_555 A A 7  1_555 A U 24 1_555 -0.498 -1.826 3.267 1.286  -8.620  35.646 -1.648 0.979  3.578 -13.828 -2.064 
36.662 6  AA_G21A22:U40C41_AA A 21 ? A 41 ? A 22 ? A 40 ? 
1 A A 7  1_555 A U 24 1_555 A G 10 1_555 A C 23 1_555 -2.250 -1.555 2.756 -5.001 -0.803  46.077 -1.916 2.485  2.996 -1.022  6.366  
46.340 7  AA_A22G26:C39U40_AA A 22 ? A 40 ? A 26 ? A 39 ? 
1 A G 10 1_555 A C 23 1_555 A A 11 1_555 A U 22 1_555 0.099  -2.035 2.772 -0.695 -4.778  28.889 -3.099 -0.330 3.058 -9.493  1.380  
29.281 8  AA_G26A27:U38C39_AA A 26 ? A 39 ? A 27 ? A 38 ? 
1 A A 11 1_555 A U 22 1_555 A G 12 1_555 A C 21 1_555 0.101  -1.652 2.731 -3.079 -6.423  31.388 -1.966 -0.669 2.979 -11.684 5.602  
32.167 9  AA_A27G28:C37U38_AA A 27 ? A 38 ? A 28 ? A 37 ? 
1 A G 12 1_555 A C 21 1_555 A C 13 1_555 A G 20 1_555 0.315  -1.508 3.125 4.288  -2.472  40.303 -1.905 0.011  3.224 -3.572  -6.194 
40.593 10 AA_G28C29:G36C37_AA A 28 ? A 37 ? A 29 ? A 36 ? 
# 
loop_
_pdbx_nmr_spectrometer.spectrometer_id 
_pdbx_nmr_spectrometer.model 
_pdbx_nmr_spectrometer.manufacturer 
_pdbx_nmr_spectrometer.field_strength 
1 VXR500    Varian      500 
2 UNITYPLUS Varian      591 
3 HOME-MADE 'HOME MADE' 750 
# 
_atom_sites.entry_id                    1AKX 
_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_