data_1EI4
# 
_entry.id   1EI4 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.385 
_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   1EI4         pdb_00001ei4 10.2210/pdb1ei4/pdb 
NDB   BD0038       ?            ?                   
RCSB  RCSB010596   ?            ?                   
WWPDB D_1000010596 ?            ?                   
# 
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 2000-03-27 
2 'Structure model' 1 1 2008-04-27 
3 'Structure model' 1 2 2011-07-13 
4 'Structure model' 1 3 2024-02-07 
# 
_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'      
# 
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_atom         
2 4 'Structure model' chem_comp_bond         
3 4 'Structure model' database_2             
4 4 'Structure model' pdbx_struct_conn_angle 
5 4 'Structure model' struct_conn            
6 4 'Structure model' struct_site            
# 
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_struct_conn_angle.ptnr1_auth_asym_id'  
4  4 'Structure model' '_pdbx_struct_conn_angle.ptnr1_auth_seq_id'   
5  4 'Structure model' '_pdbx_struct_conn_angle.ptnr1_label_asym_id' 
6  4 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_asym_id'  
7  4 'Structure model' '_pdbx_struct_conn_angle.ptnr3_auth_seq_id'   
8  4 'Structure model' '_pdbx_struct_conn_angle.ptnr3_label_asym_id' 
9  4 'Structure model' '_pdbx_struct_conn_angle.value'               
10 4 'Structure model' '_struct_conn.conn_type_id'                   
11 4 'Structure model' '_struct_conn.id'                             
12 4 'Structure model' '_struct_conn.pdbx_dist_value'                
13 4 'Structure model' '_struct_conn.pdbx_leaving_atom_flag'         
14 4 'Structure model' '_struct_conn.ptnr1_auth_asym_id'             
15 4 'Structure model' '_struct_conn.ptnr1_auth_comp_id'             
16 4 'Structure model' '_struct_conn.ptnr1_auth_seq_id'              
17 4 'Structure model' '_struct_conn.ptnr1_label_asym_id'            
18 4 'Structure model' '_struct_conn.ptnr1_label_atom_id'            
19 4 'Structure model' '_struct_conn.ptnr1_label_comp_id'            
20 4 'Structure model' '_struct_conn.ptnr1_label_seq_id'             
21 4 'Structure model' '_struct_conn.ptnr2_auth_asym_id'             
22 4 'Structure model' '_struct_conn.ptnr2_auth_comp_id'             
23 4 'Structure model' '_struct_conn.ptnr2_auth_seq_id'              
24 4 'Structure model' '_struct_conn.ptnr2_label_asym_id'            
25 4 'Structure model' '_struct_conn.ptnr2_label_atom_id'            
26 4 'Structure model' '_struct_conn.ptnr2_label_comp_id'            
27 4 'Structure model' '_struct_conn.ptnr2_label_seq_id'             
28 4 'Structure model' '_struct_site.pdbx_auth_asym_id'              
29 4 'Structure model' '_struct_site.pdbx_auth_comp_id'              
30 4 'Structure model' '_struct_site.pdbx_auth_seq_id'               
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1EI4 
_pdbx_database_status.recvd_initial_deposition_date   2000-02-24 
_pdbx_database_status.deposit_site                    RCSB 
_pdbx_database_status.process_site                    RCSB 
_pdbx_database_status.status_code_sf                  REL 
_pdbx_database_status.SG_entry                        . 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_mr                  ? 
_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 
'Minasov, G.' 1 
'Teplova, M.' 2 
'Nielsen, P.' 3 
'Wengel, J.'  4 
'Egli, M.'    5 
# 
_citation.id                        primary 
_citation.title                     'Structural basis of cleavage by RNase H of hybrids of arabinonucleic acids and RNA.' 
_citation.journal_abbrev            Biochemistry 
_citation.journal_volume            39 
_citation.page_first                3525 
_citation.page_last                 3532 
_citation.year                      2000 
_citation.journal_id_ASTM           BICHAW 
_citation.country                   US 
_citation.journal_id_ISSN           0006-2960 
_citation.journal_id_CSD            0033 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   10736151 
_citation.pdbx_database_id_DOI      10.1021/bi992792j 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Minasov, G.' 1 ? 
primary 'Teplova, M.' 2 ? 
primary 'Nielsen, P.' 3 ? 
primary 'Wengel, J.'  4 ? 
primary 'Egli, M.'    5 ? 
# 
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 
;DNA (5'-D(*CP*GP*CP*GP*AP*AP*(TLC)P*(TLC)P*CP*GP*CP*G)-3')
;
3747.466 2   ? ? ? ? 
2 non-polymer syn 'MAGNESIUM ION'                                              24.305   1   ? ? ? ? 
3 non-polymer syn SPERMINE                                                     202.340  1   ? ? ? ? 
4 water       nat water                                                        18.015   154 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           polydeoxyribonucleotide 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   yes 
_entity_poly.pdbx_seq_one_letter_code       '(DC)(DG)(DC)(DG)(DA)(DA)(TLC)(TLC)(DC)(DG)(DC)(DG)' 
_entity_poly.pdbx_seq_one_letter_code_can   CGCGAATTCGCG 
_entity_poly.pdbx_strand_id                 A,B 
_entity_poly.pdbx_target_identifier         ? 
# 
loop_
_pdbx_entity_nonpoly.entity_id 
_pdbx_entity_nonpoly.name 
_pdbx_entity_nonpoly.comp_id 
2 'MAGNESIUM ION' MG  
3 SPERMINE        SPM 
4 water           HOH 
# 
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  DA  n 
1 6  DA  n 
1 7  TLC n 
1 8  TLC n 
1 9  DC  n 
1 10 DG  n 
1 11 DC  n 
1 12 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 
HOH non-polymer   . WATER                                                     ?                                             'H2 O' 
18.015  
MG  non-polymer   . 'MAGNESIUM ION'                                           ?                                             'Mg 2' 
24.305  
SPM non-polymer   . SPERMINE                                                  ?                                             
'C10 H26 N4'      202.340 
TLC 'DNA linking' n "2-O,3-ETHDIYL-ARABINOFURANOSYL-THYMINE-5'-MONOPHOSPHATE" "[3.3.0]BICYCLO-ARABINO-THYMINE-5'-PHOSPHATE" 
'C12 H17 N2 O9 P' 364.245 
# 
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  DA  5  5  5  DA  A   A . n 
A 1 6  DA  6  6  6  DA  A   A . n 
A 1 7  TLC 7  7  7  TLC TLC A . n 
A 1 8  TLC 8  8  8  TLC TLC A . n 
A 1 9  DC  9  9  9  DC  C   A . n 
A 1 10 DG  10 10 10 DG  G   A . n 
A 1 11 DC  11 11 11 DC  C   A . n 
A 1 12 DG  12 12 12 DG  G   A . n 
B 1 1  DC  1  13 13 DC  C   B . n 
B 1 2  DG  2  14 14 DG  G   B . n 
B 1 3  DC  3  15 15 DC  C   B . n 
B 1 4  DG  4  16 16 DG  G   B . n 
B 1 5  DA  5  17 17 DA  A   B . n 
B 1 6  DA  6  18 18 DA  A   B . n 
B 1 7  TLC 7  19 19 TLC TLC B . n 
B 1 8  TLC 8  20 20 TLC TLC B . n 
B 1 9  DC  9  21 21 DC  C   B . n 
B 1 10 DG  10 22 22 DG  G   B . n 
B 1 11 DC  11 23 23 DC  C   B . n 
B 1 12 DG  12 24 24 DG  G   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 2 MG  1  25  25  MG  MG  A . 
D 3 SPM 1  521 521 SPM SPM B . 
E 4 HOH 1  26  26  HOH HOH A . 
E 4 HOH 2  27  27  HOH HOH A . 
E 4 HOH 3  28  28  HOH HOH A . 
E 4 HOH 4  29  29  HOH HOH A . 
E 4 HOH 5  31  31  HOH HOH A . 
E 4 HOH 6  57  57  HOH HOH A . 
E 4 HOH 7  59  59  HOH HOH A . 
E 4 HOH 8  61  61  HOH HOH A . 
E 4 HOH 9  65  65  HOH HOH A . 
E 4 HOH 10 78  78  HOH HOH A . 
E 4 HOH 11 101 101 HOH HOH A . 
E 4 HOH 12 102 102 HOH HOH A . 
E 4 HOH 13 106 106 HOH HOH A . 
E 4 HOH 14 107 107 HOH HOH A . 
E 4 HOH 15 108 108 HOH HOH A . 
E 4 HOH 16 112 112 HOH HOH A . 
E 4 HOH 17 113 113 HOH HOH A . 
E 4 HOH 18 114 114 HOH HOH A . 
E 4 HOH 19 116 116 HOH HOH A . 
E 4 HOH 20 117 117 HOH HOH A . 
E 4 HOH 21 118 118 HOH HOH A . 
E 4 HOH 22 119 119 HOH HOH A . 
E 4 HOH 23 122 122 HOH HOH A . 
E 4 HOH 24 123 123 HOH HOH A . 
E 4 HOH 25 125 125 HOH HOH A . 
E 4 HOH 26 126 126 HOH HOH A . 
E 4 HOH 27 128 128 HOH HOH A . 
E 4 HOH 28 133 133 HOH HOH A . 
E 4 HOH 29 134 134 HOH HOH A . 
E 4 HOH 30 141 141 HOH HOH A . 
E 4 HOH 31 146 146 HOH HOH A . 
E 4 HOH 32 147 147 HOH HOH A . 
E 4 HOH 33 149 149 HOH HOH A . 
E 4 HOH 34 152 152 HOH HOH A . 
E 4 HOH 35 153 153 HOH HOH A . 
E 4 HOH 36 155 155 HOH HOH A . 
E 4 HOH 37 158 158 HOH HOH A . 
E 4 HOH 38 159 159 HOH HOH A . 
E 4 HOH 39 160 160 HOH HOH A . 
E 4 HOH 40 162 162 HOH HOH A . 
E 4 HOH 41 165 165 HOH HOH A . 
E 4 HOH 42 174 174 HOH HOH A . 
E 4 HOH 43 179 179 HOH HOH A . 
E 4 HOH 44 182 182 HOH HOH A . 
E 4 HOH 45 183 183 HOH HOH A . 
E 4 HOH 46 190 190 HOH HOH A . 
E 4 HOH 47 196 196 HOH HOH A . 
E 4 HOH 48 197 197 HOH HOH A . 
E 4 HOH 49 201 201 HOH HOH A . 
E 4 HOH 50 208 208 HOH HOH A . 
E 4 HOH 51 226 226 HOH HOH A . 
E 4 HOH 52 227 227 HOH HOH A . 
E 4 HOH 53 239 239 HOH HOH A . 
E 4 HOH 54 249 249 HOH HOH A . 
E 4 HOH 55 252 252 HOH HOH A . 
E 4 HOH 56 266 266 HOH HOH A . 
E 4 HOH 57 269 269 HOH HOH A . 
E 4 HOH 58 270 270 HOH HOH A . 
E 4 HOH 59 271 271 HOH HOH A . 
E 4 HOH 60 273 273 HOH HOH A . 
E 4 HOH 61 277 277 HOH HOH A . 
E 4 HOH 62 303 303 HOH HOH A . 
E 4 HOH 63 309 309 HOH HOH A . 
E 4 HOH 64 311 311 HOH HOH A . 
E 4 HOH 65 314 314 HOH HOH A . 
E 4 HOH 66 316 316 HOH HOH A . 
E 4 HOH 67 318 318 HOH HOH A . 
E 4 HOH 68 319 319 HOH HOH A . 
E 4 HOH 69 322 322 HOH HOH A . 
E 4 HOH 70 323 323 HOH HOH A . 
E 4 HOH 71 324 324 HOH HOH A . 
E 4 HOH 72 326 326 HOH HOH A . 
E 4 HOH 73 327 327 HOH HOH A . 
E 4 HOH 74 330 330 HOH HOH A . 
F 4 HOH 1  30  30  HOH HOH B . 
F 4 HOH 2  48  48  HOH HOH B . 
F 4 HOH 3  49  49  HOH HOH B . 
F 4 HOH 4  66  66  HOH HOH B . 
F 4 HOH 5  69  69  HOH HOH B . 
F 4 HOH 6  70  70  HOH HOH B . 
F 4 HOH 7  72  72  HOH HOH B . 
F 4 HOH 8  74  74  HOH HOH B . 
F 4 HOH 9  75  75  HOH HOH B . 
F 4 HOH 10 79  79  HOH HOH B . 
F 4 HOH 11 103 103 HOH HOH B . 
F 4 HOH 12 104 104 HOH HOH B . 
F 4 HOH 13 105 105 HOH HOH B . 
F 4 HOH 14 109 109 HOH HOH B . 
F 4 HOH 15 110 110 HOH HOH B . 
F 4 HOH 16 111 111 HOH HOH B . 
F 4 HOH 17 115 115 HOH HOH B . 
F 4 HOH 18 127 127 HOH HOH B . 
F 4 HOH 19 129 129 HOH HOH B . 
F 4 HOH 20 130 130 HOH HOH B . 
F 4 HOH 21 131 131 HOH HOH B . 
F 4 HOH 22 136 136 HOH HOH B . 
F 4 HOH 23 137 137 HOH HOH B . 
F 4 HOH 24 139 139 HOH HOH B . 
F 4 HOH 25 143 143 HOH HOH B . 
F 4 HOH 26 144 144 HOH HOH B . 
F 4 HOH 27 145 145 HOH HOH B . 
F 4 HOH 28 148 148 HOH HOH B . 
F 4 HOH 29 151 151 HOH HOH B . 
F 4 HOH 30 154 154 HOH HOH B . 
F 4 HOH 31 161 161 HOH HOH B . 
F 4 HOH 32 163 163 HOH HOH B . 
F 4 HOH 33 164 164 HOH HOH B . 
F 4 HOH 34 168 168 HOH HOH B . 
F 4 HOH 35 169 169 HOH HOH B . 
F 4 HOH 36 170 170 HOH HOH B . 
F 4 HOH 37 172 172 HOH HOH B . 
F 4 HOH 38 175 175 HOH HOH B . 
F 4 HOH 39 178 178 HOH HOH B . 
F 4 HOH 40 181 181 HOH HOH B . 
F 4 HOH 41 184 184 HOH HOH B . 
F 4 HOH 42 188 188 HOH HOH B . 
F 4 HOH 43 191 191 HOH HOH B . 
F 4 HOH 44 192 192 HOH HOH B . 
F 4 HOH 45 195 195 HOH HOH B . 
F 4 HOH 46 199 199 HOH HOH B . 
F 4 HOH 47 204 204 HOH HOH B . 
F 4 HOH 48 210 210 HOH HOH B . 
F 4 HOH 49 211 211 HOH HOH B . 
F 4 HOH 50 213 213 HOH HOH B . 
F 4 HOH 51 228 228 HOH HOH B . 
F 4 HOH 52 237 237 HOH HOH B . 
F 4 HOH 53 241 241 HOH HOH B . 
F 4 HOH 54 242 242 HOH HOH B . 
F 4 HOH 55 244 244 HOH HOH B . 
F 4 HOH 56 245 245 HOH HOH B . 
F 4 HOH 57 251 251 HOH HOH B . 
F 4 HOH 58 253 253 HOH HOH B . 
F 4 HOH 59 254 254 HOH HOH B . 
F 4 HOH 60 278 278 HOH HOH B . 
F 4 HOH 61 281 281 HOH HOH B . 
F 4 HOH 62 283 283 HOH HOH B . 
F 4 HOH 63 285 285 HOH HOH B . 
F 4 HOH 64 301 301 HOH HOH B . 
F 4 HOH 65 302 302 HOH HOH B . 
F 4 HOH 66 304 304 HOH HOH B . 
F 4 HOH 67 305 305 HOH HOH B . 
F 4 HOH 68 306 306 HOH HOH B . 
F 4 HOH 69 307 307 HOH HOH B . 
F 4 HOH 70 308 308 HOH HOH B . 
F 4 HOH 71 310 310 HOH HOH B . 
F 4 HOH 72 312 312 HOH HOH B . 
F 4 HOH 73 313 313 HOH HOH B . 
F 4 HOH 74 315 315 HOH HOH B . 
F 4 HOH 75 317 317 HOH HOH B . 
F 4 HOH 76 320 320 HOH HOH B . 
F 4 HOH 77 321 321 HOH HOH B . 
F 4 HOH 78 325 325 HOH HOH B . 
F 4 HOH 79 328 328 HOH HOH B . 
F 4 HOH 80 329 329 HOH HOH B . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
AMoRE     phasing          . ? 1 
CNS       refinement       . ? 2 
DENZO     'data reduction' . ? 3 
SCALEPACK 'data scaling'   . ? 4 
# 
_cell.entry_id           1EI4 
_cell.length_a           25.280 
_cell.length_b           40.550 
_cell.length_c           65.130 
_cell.angle_alpha        90.00 
_cell.angle_beta         90.00 
_cell.angle_gamma        90.00 
_cell.Z_PDB              8 
_cell.pdbx_unique_axis   ? 
# 
_symmetry.entry_id                         1EI4 
_symmetry.space_group_name_H-M             'P 21 21 21' 
_symmetry.pdbx_full_space_group_name_H-M   ? 
_symmetry.cell_setting                     orthorhombic 
_symmetry.Int_Tables_number                19 
# 
_exptl.entry_id          1EI4 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_percent_sol   42.41 
_exptl_crystal.density_Matthews      2.14 
_exptl_crystal.description           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, HANGING DROP' 
_exptl_crystal_grow.temp            295.0 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              6.8 
_exptl_crystal_grow.pdbx_details    
'OLIGONUCLEOTIDE, SPERMINE, MAGNESIUM ACETATE, SODIUM CACODYLATE BUFFER, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 295.0K' 
_exptl_crystal_grow.pdbx_pH_range   ? 
# 
loop_
_exptl_crystal_grow_comp.crystal_id 
_exptl_crystal_grow_comp.id 
_exptl_crystal_grow_comp.sol_id 
_exptl_crystal_grow_comp.name 
_exptl_crystal_grow_comp.volume 
_exptl_crystal_grow_comp.conc 
_exptl_crystal_grow_comp.details 
1 1 1 SPERMINE                   ? ? ? 
1 2 1 'MAGNESIUM ACETATE'        ? ? ? 
1 3 1 'SODIUM CACODYLATE BUFFER' ? ? ? 
1 4 2 'MAGNESIUM ACETATE'        ? ? ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           105.0 
_diffrn.ambient_temp_details   ? 
_diffrn.crystal_id             1 
# 
_diffrn_detector.diffrn_id              1 
_diffrn_detector.detector               CCD 
_diffrn_detector.type                   MARRESEARCH 
_diffrn_detector.pdbx_collection_date   1999-06-04 
_diffrn_detector.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             x-ray 
# 
_diffrn_radiation_wavelength.id           1 
_diffrn_radiation_wavelength.wavelength   1.0000 
_diffrn_radiation_wavelength.wt           1.0 
# 
_diffrn_source.diffrn_id                   1 
_diffrn_source.source                      SYNCHROTRON 
_diffrn_source.type                        'APS BEAMLINE 5ID-B' 
_diffrn_source.pdbx_synchrotron_site       APS 
_diffrn_source.pdbx_synchrotron_beamline   5ID-B 
_diffrn_source.pdbx_wavelength             1.0000 
_diffrn_source.pdbx_wavelength_list        ? 
# 
_reflns.entry_id                     1EI4 
_reflns.observed_criterion_sigma_I   -3.0 
_reflns.observed_criterion_sigma_F   ? 
_reflns.d_resolution_low             20.0 
_reflns.d_resolution_high            1.43 
_reflns.number_obs                   13592 
_reflns.number_all                   13592 
_reflns.percent_possible_obs         99.9 
_reflns.pdbx_Rmerge_I_obs            0.0650000 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        44.4 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              8.5 
_reflns.R_free_details               ? 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_reflns_shell.d_res_high             1.43 
_reflns_shell.d_res_low              1.48 
_reflns_shell.percent_possible_all   99.2 
_reflns_shell.Rmerge_I_obs           0.1880000 
_reflns_shell.pdbx_Rsym_value        ? 
_reflns_shell.meanI_over_sigI_obs    ? 
_reflns_shell.pdbx_redundancy        6.6 
_reflns_shell.percent_possible_obs   ? 
_reflns_shell.number_unique_all      ? 
_reflns_shell.pdbx_diffrn_id         ? 
_reflns_shell.pdbx_ordinal           1 
# 
_refine.entry_id                                 1EI4 
_refine.ls_number_reflns_obs                     12716 
_refine.ls_number_reflns_all                     12720 
_refine.pdbx_ls_sigma_I                          0.0 
_refine.pdbx_ls_sigma_F                          0.0 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_refine.ls_d_res_low                             17.0 
_refine.ls_d_res_high                            1.43 
_refine.ls_percent_reflns_obs                    98.2 
_refine.ls_R_factor_obs                          0.1980000 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.1980000 
_refine.ls_R_factor_R_free                       0.2110000 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 10 
_refine.ls_number_reflns_R_free                  1296 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.B_iso_mean                               ? 
_refine.aniso_B[1][1]                            -6.795 
_refine.aniso_B[2][2]                            1.823 
_refine.aniso_B[3][3]                            4.972 
_refine.aniso_B[1][2]                            0.000 
_refine.aniso_B[1][3]                            0.000 
_refine.aniso_B[2][3]                            0.000 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_ls_cross_valid_method               THROUGHOUT 
_refine.details                                  'MAXIMUM LIKELIHOOD TARGET USING AMPLITUDES, BULK SOLVENT CORRECTION' 
_refine.pdbx_starting_model                      ? 
_refine.pdbx_method_to_determine_struct          ? 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       'PARKINSON ET AL.' 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            RANDOM 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_ML                            ? 
_refine.overall_SU_B                             ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.correlation_coeff_Fo_to_Fc               ? 
_refine.correlation_coeff_Fo_to_Fc_free          ? 
_refine.overall_SU_R_Cruickshank_DPI             ? 
_refine.overall_SU_R_free                        ? 
_refine.pdbx_refine_id                           'X-RAY DIFFRACTION' 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.pdbx_overall_phase_error                 ? 
_refine.pdbx_overall_SU_R_free_Cruickshank_DPI   ? 
_refine.pdbx_overall_SU_R_Blow_DPI               ? 
_refine.pdbx_overall_SU_R_free_Blow_DPI          ? 
# 
_refine_hist.pdbx_refine_id                   'X-RAY DIFFRACTION' 
_refine_hist.cycle_id                         LAST 
_refine_hist.pdbx_number_atoms_protein        0 
_refine_hist.pdbx_number_atoms_nucleic_acid   498 
_refine_hist.pdbx_number_atoms_ligand         15 
_refine_hist.number_atoms_solvent             159 
_refine_hist.number_atoms_total               672 
_refine_hist.d_res_high                       1.43 
_refine_hist.d_res_low                        17.0 
# 
loop_
_refine_ls_restr.type 
_refine_ls_restr.dev_ideal 
_refine_ls_restr.dev_ideal_target 
_refine_ls_restr.weight 
_refine_ls_restr.number 
_refine_ls_restr.pdbx_refine_id 
_refine_ls_restr.pdbx_restraint_function 
c_bond_d                0.010 ? ? ? 'X-RAY DIFFRACTION' ? 
c_bond_d_na             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_bond_d_prot           ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_d               ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_d_na            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_d_prot          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg             1.55  ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg_na          ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_angle_deg_prot        ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_dihedral_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d      ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d_na   ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_improper_angle_d_prot ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_mcbond_it             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_mcangle_it            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_scbond_it             ?     ? ? ? 'X-RAY DIFFRACTION' ? 
c_scangle_it            ?     ? ? ? 'X-RAY DIFFRACTION' ? 
# 
_database_PDB_matrix.entry_id          1EI4 
_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                  1EI4 
_struct.title                     
;B-DNA DODECAMER CGCGAAT(TLC)CGCG WITH INCORPORATED [3.3.0]BICYCLO-ARABINO-THYMINE-5'-PHOSPHATE
;
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1EI4 
_struct_keywords.pdbx_keywords   DNA 
_struct_keywords.text            'MODIFIED B-DODECAMER, [3.3.0]BICYCLO-ARABINONUCLEIC ACID, DNA' 
# 
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 1 ? 
C N N 2 ? 
D N N 3 ? 
E N N 4 ? 
F N N 4 ? 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1EI4 
_struct_ref.pdbx_db_accession          1EI4 
_struct_ref.pdbx_db_isoform            ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_align_begin           ? 
# 
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 1EI4 A 1 ? 12 ? 1EI4 1  ? 12 ? 1  12 
2 1 1EI4 B 1 ? 12 ? 1EI4 13 ? 24 ? 13 24 
# 
_pdbx_struct_assembly.id                   1 
_pdbx_struct_assembly.details              author_defined_assembly 
_pdbx_struct_assembly.method_details       ? 
_pdbx_struct_assembly.oligomeric_details   dimeric 
_pdbx_struct_assembly.oligomeric_count     2 
# 
_pdbx_struct_assembly_gen.assembly_id       1 
_pdbx_struct_assembly_gen.oper_expression   1 
_pdbx_struct_assembly_gen.asym_id_list      A,B,C,D,E,F 
# 
_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.pdbx_parent_biol_id   ? 
_struct_biol.details               ? 
# 
loop_
_struct_conn.id 
_struct_conn.conn_type_id 
_struct_conn.pdbx_leaving_atom_flag 
_struct_conn.pdbx_PDB_id 
_struct_conn.ptnr1_label_asym_id 
_struct_conn.ptnr1_label_comp_id 
_struct_conn.ptnr1_label_seq_id 
_struct_conn.ptnr1_label_atom_id 
_struct_conn.pdbx_ptnr1_label_alt_id 
_struct_conn.pdbx_ptnr1_PDB_ins_code 
_struct_conn.pdbx_ptnr1_standard_comp_id 
_struct_conn.ptnr1_symmetry 
_struct_conn.ptnr2_label_asym_id 
_struct_conn.ptnr2_label_comp_id 
_struct_conn.ptnr2_label_seq_id 
_struct_conn.ptnr2_label_atom_id 
_struct_conn.pdbx_ptnr2_label_alt_id 
_struct_conn.pdbx_ptnr2_PDB_ins_code 
_struct_conn.ptnr1_auth_asym_id 
_struct_conn.ptnr1_auth_comp_id 
_struct_conn.ptnr1_auth_seq_id 
_struct_conn.ptnr2_auth_asym_id 
_struct_conn.ptnr2_auth_comp_id 
_struct_conn.ptnr2_auth_seq_id 
_struct_conn.ptnr2_symmetry 
_struct_conn.pdbx_ptnr3_label_atom_id 
_struct_conn.pdbx_ptnr3_label_seq_id 
_struct_conn.pdbx_ptnr3_label_comp_id 
_struct_conn.pdbx_ptnr3_label_asym_id 
_struct_conn.pdbx_ptnr3_label_alt_id 
_struct_conn.pdbx_ptnr3_PDB_ins_code 
_struct_conn.details 
_struct_conn.pdbx_dist_value 
_struct_conn.pdbx_value_order 
_struct_conn.pdbx_role 
covale1  covale both ? A DA  6  "O3'" ? ? ? 1_555 A TLC 7  P  ? ? A DA  6  A TLC 7  1_555 ? ? ? ? ? ? ?            1.598 ? ? 
covale2  covale both ? A TLC 7  "O3'" ? ? ? 1_555 A TLC 8  P  ? ? A TLC 7  A TLC 8  1_555 ? ? ? ? ? ? ?            1.606 ? ? 
covale3  covale both ? A TLC 8  "O3'" ? ? ? 1_555 A DC  9  P  ? ? A TLC 8  A DC  9  1_555 ? ? ? ? ? ? ?            1.614 ? ? 
covale4  covale both ? B DA  6  "O3'" ? ? ? 1_555 B TLC 7  P  ? ? B DA  18 B TLC 19 1_555 ? ? ? ? ? ? ?            1.608 ? ? 
covale5  covale both ? B TLC 7  "O3'" ? ? ? 1_555 B TLC 8  P  ? ? B TLC 19 B TLC 20 1_555 ? ? ? ? ? ? ?            1.619 ? ? 
covale6  covale both ? B TLC 8  "O3'" ? ? ? 1_555 B DC  9  P  ? ? B TLC 20 B DC  21 1_555 ? ? ? ? ? ? ?            1.615 ? ? 
metalc1  metalc ?    ? C MG  .  MG    ? ? ? 1_555 E HOH .  O  ? ? A MG  25 A HOH 26 1_555 ? ? ? ? ? ? ?            2.134 ? ? 
metalc2  metalc ?    ? C MG  .  MG    ? ? ? 1_555 E HOH .  O  ? ? A MG  25 A HOH 27 1_555 ? ? ? ? ? ? ?            2.068 ? ? 
metalc3  metalc ?    ? C MG  .  MG    ? ? ? 1_555 E HOH .  O  ? ? A MG  25 A HOH 28 1_555 ? ? ? ? ? ? ?            2.106 ? ? 
metalc4  metalc ?    ? C MG  .  MG    ? ? ? 1_555 E HOH .  O  ? ? A MG  25 A HOH 29 1_555 ? ? ? ? ? ? ?            2.216 ? ? 
metalc5  metalc ?    ? C MG  .  MG    ? ? ? 1_555 E HOH .  O  ? ? A MG  25 A HOH 31 1_555 ? ? ? ? ? ? ?            2.210 ? ? 
metalc6  metalc ?    ? C MG  .  MG    ? ? ? 1_555 F HOH .  O  ? ? A MG  25 B HOH 30 1_555 ? ? ? ? ? ? ?            2.165 ? ? 
hydrog1  hydrog ?    ? A DC  1  N3    ? ? ? 1_555 B DG  12 N1 ? ? A DC  1  B DG  24 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog2  hydrog ?    ? A DC  1  N4    ? ? ? 1_555 B DG  12 O6 ? ? A DC  1  B DG  24 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog3  hydrog ?    ? A DC  1  O2    ? ? ? 1_555 B DG  12 N2 ? ? A DC  1  B DG  24 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog4  hydrog ?    ? A DG  2  N1    ? ? ? 1_555 B DC  11 N3 ? ? A DG  2  B DC  23 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog5  hydrog ?    ? A DG  2  N2    ? ? ? 1_555 B DC  11 O2 ? ? A DG  2  B DC  23 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog6  hydrog ?    ? A DG  2  O6    ? ? ? 1_555 B DC  11 N4 ? ? A DG  2  B DC  23 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog7  hydrog ?    ? A DC  3  N3    ? ? ? 1_555 B DG  10 N1 ? ? A DC  3  B DG  22 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog8  hydrog ?    ? A DC  3  N4    ? ? ? 1_555 B DG  10 O6 ? ? A DC  3  B DG  22 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog9  hydrog ?    ? A DC  3  O2    ? ? ? 1_555 B DG  10 N2 ? ? A DC  3  B DG  22 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog10 hydrog ?    ? A DG  4  N1    ? ? ? 1_555 B DC  9  N3 ? ? A DG  4  B DC  21 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog11 hydrog ?    ? A DG  4  N2    ? ? ? 1_555 B DC  9  O2 ? ? A DG  4  B DC  21 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog12 hydrog ?    ? A DG  4  O6    ? ? ? 1_555 B DC  9  N4 ? ? A DG  4  B DC  21 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog13 hydrog ?    ? A DA  5  N1    ? ? ? 1_555 B TLC 8  N3 ? ? A DA  5  B TLC 20 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog14 hydrog ?    ? A DA  5  N6    ? ? ? 1_555 B TLC 8  O4 ? ? A DA  5  B TLC 20 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog15 hydrog ?    ? A DA  6  N1    ? ? ? 1_555 B TLC 7  N3 ? ? A DA  6  B TLC 19 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog16 hydrog ?    ? A DA  6  N6    ? ? ? 1_555 B TLC 7  O4 ? ? A DA  6  B TLC 19 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog17 hydrog ?    ? A TLC 7  N3    ? ? ? 1_555 B DA  6  N1 ? ? A TLC 7  B DA  18 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog18 hydrog ?    ? A TLC 7  O4    ? ? ? 1_555 B DA  6  N6 ? ? A TLC 7  B DA  18 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog19 hydrog ?    ? A TLC 8  N3    ? ? ? 1_555 B DA  5  N1 ? ? A TLC 8  B DA  17 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog20 hydrog ?    ? A TLC 8  O4    ? ? ? 1_555 B DA  5  N6 ? ? A TLC 8  B DA  17 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog21 hydrog ?    ? A DC  9  N3    ? ? ? 1_555 B DG  4  N1 ? ? A DC  9  B DG  16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog22 hydrog ?    ? A DC  9  N4    ? ? ? 1_555 B DG  4  O6 ? ? A DC  9  B DG  16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog23 hydrog ?    ? A DC  9  O2    ? ? ? 1_555 B DG  4  N2 ? ? A DC  9  B DG  16 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog24 hydrog ?    ? A DG  10 N1    ? ? ? 1_555 B DC  3  N3 ? ? A DG  10 B DC  15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog25 hydrog ?    ? A DG  10 N2    ? ? ? 1_555 B DC  3  O2 ? ? A DG  10 B DC  15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog26 hydrog ?    ? A DG  10 O6    ? ? ? 1_555 B DC  3  N4 ? ? A DG  10 B DC  15 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog27 hydrog ?    ? A DC  11 N3    ? ? ? 1_555 B DG  2  N1 ? ? A DC  11 B DG  14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog28 hydrog ?    ? A DC  11 N4    ? ? ? 1_555 B DG  2  O6 ? ? A DC  11 B DG  14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog29 hydrog ?    ? A DC  11 O2    ? ? ? 1_555 B DG  2  N2 ? ? A DC  11 B DG  14 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog30 hydrog ?    ? A DG  12 N1    ? ? ? 1_555 B DC  1  N3 ? ? A DG  12 B DC  13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog31 hydrog ?    ? A DG  12 N2    ? ? ? 1_555 B DC  1  O2 ? ? A DG  12 B DC  13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
hydrog32 hydrog ?    ? A DG  12 O6    ? ? ? 1_555 B DC  1  N4 ? ? A DG  12 B DC  13 1_555 ? ? ? ? ? ? WATSON-CRICK ?     ? ? 
# 
loop_
_struct_conn_type.id 
_struct_conn_type.criteria 
_struct_conn_type.reference 
covale ? ? 
metalc ? ? 
hydrog ? ? 
# 
loop_
_pdbx_struct_conn_angle.id 
_pdbx_struct_conn_angle.ptnr1_label_atom_id 
_pdbx_struct_conn_angle.ptnr1_label_alt_id 
_pdbx_struct_conn_angle.ptnr1_label_asym_id 
_pdbx_struct_conn_angle.ptnr1_label_comp_id 
_pdbx_struct_conn_angle.ptnr1_label_seq_id 
_pdbx_struct_conn_angle.ptnr1_auth_atom_id 
_pdbx_struct_conn_angle.ptnr1_auth_asym_id 
_pdbx_struct_conn_angle.ptnr1_auth_comp_id 
_pdbx_struct_conn_angle.ptnr1_auth_seq_id 
_pdbx_struct_conn_angle.ptnr1_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr1_symmetry 
_pdbx_struct_conn_angle.ptnr2_label_atom_id 
_pdbx_struct_conn_angle.ptnr2_label_alt_id 
_pdbx_struct_conn_angle.ptnr2_label_asym_id 
_pdbx_struct_conn_angle.ptnr2_label_comp_id 
_pdbx_struct_conn_angle.ptnr2_label_seq_id 
_pdbx_struct_conn_angle.ptnr2_auth_atom_id 
_pdbx_struct_conn_angle.ptnr2_auth_asym_id 
_pdbx_struct_conn_angle.ptnr2_auth_comp_id 
_pdbx_struct_conn_angle.ptnr2_auth_seq_id 
_pdbx_struct_conn_angle.ptnr2_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr2_symmetry 
_pdbx_struct_conn_angle.ptnr3_label_atom_id 
_pdbx_struct_conn_angle.ptnr3_label_alt_id 
_pdbx_struct_conn_angle.ptnr3_label_asym_id 
_pdbx_struct_conn_angle.ptnr3_label_comp_id 
_pdbx_struct_conn_angle.ptnr3_label_seq_id 
_pdbx_struct_conn_angle.ptnr3_auth_atom_id 
_pdbx_struct_conn_angle.ptnr3_auth_asym_id 
_pdbx_struct_conn_angle.ptnr3_auth_comp_id 
_pdbx_struct_conn_angle.ptnr3_auth_seq_id 
_pdbx_struct_conn_angle.ptnr3_PDB_ins_code 
_pdbx_struct_conn_angle.ptnr3_symmetry 
_pdbx_struct_conn_angle.value 
_pdbx_struct_conn_angle.value_esd 
1  O ? E HOH . ? A HOH 26 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 27 ? 1_555 176.5 ? 
2  O ? E HOH . ? A HOH 26 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 28 ? 1_555 93.8  ? 
3  O ? E HOH . ? A HOH 27 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 28 ? 1_555 89.2  ? 
4  O ? E HOH . ? A HOH 26 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 29 ? 1_555 87.6  ? 
5  O ? E HOH . ? A HOH 27 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 29 ? 1_555 89.4  ? 
6  O ? E HOH . ? A HOH 28 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 29 ? 1_555 177.6 ? 
7  O ? E HOH . ? A HOH 26 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 31 ? 1_555 94.5  ? 
8  O ? E HOH . ? A HOH 27 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 31 ? 1_555 87.4  ? 
9  O ? E HOH . ? A HOH 28 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 31 ? 1_555 89.3  ? 
10 O ? E HOH . ? A HOH 29 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? E HOH . ? A HOH 31 ? 1_555 92.5  ? 
11 O ? E HOH . ? A HOH 26 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? F HOH . ? B HOH 30 ? 1_555 88.3  ? 
12 O ? E HOH . ? A HOH 27 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? F HOH . ? B HOH 30 ? 1_555 89.8  ? 
13 O ? E HOH . ? A HOH 28 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? F HOH . ? B HOH 30 ? 1_555 90.1  ? 
14 O ? E HOH . ? A HOH 29 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? F HOH . ? B HOH 30 ? 1_555 88.0  ? 
15 O ? E HOH . ? A HOH 31 ? 1_555 MG ? C MG . ? A MG 25 ? 1_555 O ? F HOH . ? B HOH 30 ? 1_555 177.1 ? 
# 
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 SPM 521 ? 12 'BINDING SITE FOR RESIDUE SPM B 521' 
AC2 Software A MG  25  ? 6  'BINDING SITE FOR RESIDUE MG A 25'   
# 
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 12 DG  A 10 ? DG  A 10  . ? 1_555 ? 
2  AC1 12 HOH E .  ? HOH A 227 . ? 1_555 ? 
3  AC1 12 HOH E .  ? HOH A 252 . ? 1_555 ? 
4  AC1 12 DC  B 1  ? DC  B 13  . ? 1_555 ? 
5  AC1 12 DG  B 2  ? DG  B 14  . ? 1_555 ? 
6  AC1 12 TLC B 7  ? TLC B 19  . ? 4_556 ? 
7  AC1 12 DC  B 11 ? DC  B 23  . ? 2_655 ? 
8  AC1 12 DG  B 12 ? DG  B 24  . ? 2_655 ? 
9  AC1 12 HOH F .  ? HOH B 148 . ? 2_655 ? 
10 AC1 12 HOH F .  ? HOH B 164 . ? 1_555 ? 
11 AC1 12 HOH F .  ? HOH B 281 . ? 2_655 ? 
12 AC1 12 HOH F .  ? HOH B 325 . ? 1_555 ? 
13 AC2 6  HOH E .  ? HOH A 26  . ? 1_555 ? 
14 AC2 6  HOH E .  ? HOH A 27  . ? 1_555 ? 
15 AC2 6  HOH E .  ? HOH A 28  . ? 1_555 ? 
16 AC2 6  HOH E .  ? HOH A 29  . ? 1_555 ? 
17 AC2 6  HOH E .  ? HOH A 31  . ? 1_555 ? 
18 AC2 6  HOH F .  ? HOH B 30  . ? 1_555 ? 
# 
loop_
_pdbx_validate_planes.id 
_pdbx_validate_planes.PDB_model_num 
_pdbx_validate_planes.auth_comp_id 
_pdbx_validate_planes.auth_asym_id 
_pdbx_validate_planes.auth_seq_id 
_pdbx_validate_planes.PDB_ins_code 
_pdbx_validate_planes.label_alt_id 
_pdbx_validate_planes.rmsd 
_pdbx_validate_planes.type 
1 1 DC A 9  ? ? 0.091 'SIDE CHAIN' 
2 1 DC A 11 ? ? 0.081 'SIDE CHAIN' 
3 1 DC B 15 ? ? 0.061 'SIDE CHAIN' 
4 1 DC B 23 ? ? 0.073 'SIDE CHAIN' 
# 
loop_
_pdbx_struct_mod_residue.id 
_pdbx_struct_mod_residue.label_asym_id 
_pdbx_struct_mod_residue.label_comp_id 
_pdbx_struct_mod_residue.label_seq_id 
_pdbx_struct_mod_residue.auth_asym_id 
_pdbx_struct_mod_residue.auth_comp_id 
_pdbx_struct_mod_residue.auth_seq_id 
_pdbx_struct_mod_residue.PDB_ins_code 
_pdbx_struct_mod_residue.parent_comp_id 
_pdbx_struct_mod_residue.details 
1 A TLC 7 A TLC 7  ? DT ? 
2 A TLC 8 A TLC 8  ? DT ? 
3 B TLC 7 B TLC 19 ? DT ? 
4 B TLC 8 B TLC 20 ? DT ? 
# 
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 
HOH O      O  N N 108 
HOH H1     H  N N 109 
HOH H2     H  N N 110 
MG  MG     MG N N 111 
SPM N1     N  N N 112 
SPM C2     C  N N 113 
SPM C3     C  N N 114 
SPM C4     C  N N 115 
SPM N5     N  N N 116 
SPM C6     C  N N 117 
SPM C7     C  N N 118 
SPM C8     C  N N 119 
SPM C9     C  N N 120 
SPM N10    N  N N 121 
SPM C11    C  N N 122 
SPM C12    C  N N 123 
SPM C13    C  N N 124 
SPM N14    N  N N 125 
SPM HN11   H  N N 126 
SPM HN12   H  N N 127 
SPM H21    H  N N 128 
SPM H22    H  N N 129 
SPM H31    H  N N 130 
SPM H32    H  N N 131 
SPM H41    H  N N 132 
SPM H42    H  N N 133 
SPM HN5    H  N N 134 
SPM H61    H  N N 135 
SPM H62    H  N N 136 
SPM H71    H  N N 137 
SPM H72    H  N N 138 
SPM H81    H  N N 139 
SPM H82    H  N N 140 
SPM H91    H  N N 141 
SPM H92    H  N N 142 
SPM HN0    H  N N 143 
SPM H111   H  N N 144 
SPM H112   H  N N 145 
SPM H121   H  N N 146 
SPM H122   H  N N 147 
SPM H131   H  N N 148 
SPM H132   H  N N 149 
SPM HN41   H  N N 150 
SPM HN42   H  N N 151 
TLC P      P  N N 152 
TLC OP1    O  N N 153 
TLC OP2    O  N N 154 
TLC OP3    O  N N 155 
TLC "O5'"  O  N N 156 
TLC "C5'"  C  N N 157 
TLC "C4'"  C  N R 158 
TLC "O4'"  O  N N 159 
TLC "C1'"  C  N R 160 
TLC N1     N  N N 161 
TLC C6     C  N N 162 
TLC C2     C  N N 163 
TLC O2     O  N N 164 
TLC N3     N  N N 165 
TLC C4     C  N N 166 
TLC O4     O  N N 167 
TLC C5     C  N N 168 
TLC C5M    C  N N 169 
TLC "C2'"  C  N S 170 
TLC O2L    O  N N 171 
TLC C3L    C  N N 172 
TLC C2L    C  N N 173 
TLC "C3'"  C  N R 174 
TLC "O3'"  O  N N 175 
TLC HOP2   H  N N 176 
TLC HOP3   H  N N 177 
TLC "H5'"  H  N N 178 
TLC "H5''" H  N N 179 
TLC "H4'"  H  N N 180 
TLC "H1'"  H  N N 181 
TLC H6     H  N N 182 
TLC HN3    H  N N 183 
TLC H71    H  N N 184 
TLC H72    H  N N 185 
TLC H73    H  N N 186 
TLC "H2'"  H  N N 187 
TLC H3L1   H  N N 188 
TLC H3L2   H  N N 189 
TLC H2L1   H  N N 190 
TLC H2L2   H  N N 191 
TLC "HO3'" H  N N 192 
# 
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 
HOH O     H1     sing N N 113 
HOH O     H2     sing N N 114 
SPM N1    C2     sing N N 115 
SPM N1    HN11   sing N N 116 
SPM N1    HN12   sing N N 117 
SPM C2    C3     sing N N 118 
SPM C2    H21    sing N N 119 
SPM C2    H22    sing N N 120 
SPM C3    C4     sing N N 121 
SPM C3    H31    sing N N 122 
SPM C3    H32    sing N N 123 
SPM C4    N5     sing N N 124 
SPM C4    H41    sing N N 125 
SPM C4    H42    sing N N 126 
SPM N5    C6     sing N N 127 
SPM N5    HN5    sing N N 128 
SPM C6    C7     sing N N 129 
SPM C6    H61    sing N N 130 
SPM C6    H62    sing N N 131 
SPM C7    C8     sing N N 132 
SPM C7    H71    sing N N 133 
SPM C7    H72    sing N N 134 
SPM C8    C9     sing N N 135 
SPM C8    H81    sing N N 136 
SPM C8    H82    sing N N 137 
SPM C9    N10    sing N N 138 
SPM C9    H91    sing N N 139 
SPM C9    H92    sing N N 140 
SPM N10   C11    sing N N 141 
SPM N10   HN0    sing N N 142 
SPM C11   C12    sing N N 143 
SPM C11   H111   sing N N 144 
SPM C11   H112   sing N N 145 
SPM C12   C13    sing N N 146 
SPM C12   H121   sing N N 147 
SPM C12   H122   sing N N 148 
SPM C13   N14    sing N N 149 
SPM C13   H131   sing N N 150 
SPM C13   H132   sing N N 151 
SPM N14   HN41   sing N N 152 
SPM N14   HN42   sing N N 153 
TLC P     OP1    doub N N 154 
TLC P     OP2    sing N N 155 
TLC P     OP3    sing N N 156 
TLC P     "O5'"  sing N N 157 
TLC OP2   HOP2   sing N N 158 
TLC OP3   HOP3   sing N N 159 
TLC "O5'" "C5'"  sing N N 160 
TLC "C5'" "C4'"  sing N N 161 
TLC "C5'" "H5'"  sing N N 162 
TLC "C5'" "H5''" sing N N 163 
TLC "C4'" "O4'"  sing N N 164 
TLC "C4'" "C3'"  sing N N 165 
TLC "C4'" "H4'"  sing N N 166 
TLC "O4'" "C1'"  sing N N 167 
TLC "C1'" N1     sing N N 168 
TLC "C1'" "C2'"  sing N N 169 
TLC "C1'" "H1'"  sing N N 170 
TLC N1    C6     sing N N 171 
TLC N1    C2     sing N N 172 
TLC C6    C5     doub N N 173 
TLC C6    H6     sing N N 174 
TLC C2    O2     doub N N 175 
TLC C2    N3     sing N N 176 
TLC N3    C4     sing N N 177 
TLC N3    HN3    sing N N 178 
TLC C4    O4     doub N N 179 
TLC C4    C5     sing N N 180 
TLC C5    C5M    sing N N 181 
TLC C5M   H71    sing N N 182 
TLC C5M   H72    sing N N 183 
TLC C5M   H73    sing N N 184 
TLC "C2'" O2L    sing N N 185 
TLC "C2'" "C3'"  sing N N 186 
TLC "C2'" "H2'"  sing N N 187 
TLC O2L   C2L    sing N N 188 
TLC C3L   C2L    sing N N 189 
TLC C3L   "C3'"  sing N N 190 
TLC C3L   H3L1   sing N N 191 
TLC C3L   H3L2   sing N N 192 
TLC C2L   H2L1   sing N N 193 
TLC C2L   H2L2   sing N N 194 
TLC "C3'" "O3'"  sing N N 195 
TLC "O3'" "HO3'" sing N N 196 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1EI4 'double helix'        
1EI4 '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  12 1_555 0.234  -0.125 0.145 0.719   -4.948  -0.287 1  A_DC1:DG24_B  A 1  ? B 24 ? 19 1 
1 A DG  2  1_555 B DC  11 1_555 -0.196 -0.201 0.481 6.713   -12.269 -2.214 2  A_DG2:DC23_B  A 2  ? B 23 ? 19 1 
1 A DC  3  1_555 B DG  10 1_555 0.145  -0.222 0.221 0.133   -9.121  -0.709 3  A_DC3:DG22_B  A 3  ? B 22 ? 19 1 
1 A DG  4  1_555 B DC  9  1_555 -0.253 -0.081 0.115 13.367  -13.438 1.024  4  A_DG4:DC21_B  A 4  ? B 21 ? 19 1 
1 A DA  5  1_555 B TLC 8  1_555 0.004  -0.076 0.112 6.207   -15.814 1.079  5  A_DA5:TLC20_B A 5  ? B 20 ? 20 1 
1 A DA  6  1_555 B TLC 7  1_555 0.009  -0.115 0.335 5.354   -23.259 3.940  6  A_DA6:TLC19_B A 6  ? B 19 ? 20 1 
1 A TLC 7  1_555 B DA  6  1_555 0.045  -0.067 0.377 -6.277  -22.267 4.292  7  A_TLC7:DA18_B A 7  ? B 18 ? 20 1 
1 A TLC 8  1_555 B DA  5  1_555 -0.060 -0.169 0.118 -4.960  -12.338 1.960  8  A_TLC8:DA17_B A 8  ? B 17 ? 20 1 
1 A DC  9  1_555 B DG  4  1_555 0.198  -0.113 0.077 -12.168 -10.113 -0.381 9  A_DC9:DG16_B  A 9  ? B 16 ? 19 1 
1 A DG  10 1_555 B DC  3  1_555 -0.143 -0.123 0.224 4.791   -6.114  1.974  10 A_DG10:DC15_B A 10 ? B 15 ? 19 1 
1 A DC  11 1_555 B DG  2  1_555 0.153  -0.169 0.162 3.191   -19.245 -2.167 11 A_DC11:DG14_B A 11 ? B 14 ? 19 1 
1 A DG  12 1_555 B DC  1  1_555 -0.063 -0.001 0.223 3.265   -12.650 0.064  12 A_DG12:DC13_B A 12 ? B 13 ? 19 1 
# 
loop_
_ndb_struct_na_base_pair_step.model_number 
_ndb_struct_na_base_pair_step.i_label_asym_id_1 
_ndb_struct_na_base_pair_step.i_label_comp_id_1 
_ndb_struct_na_base_pair_step.i_label_seq_id_1 
_ndb_struct_na_base_pair_step.i_symmetry_1 
_ndb_struct_na_base_pair_step.j_label_asym_id_1 
_ndb_struct_na_base_pair_step.j_label_comp_id_1 
_ndb_struct_na_base_pair_step.j_label_seq_id_1 
_ndb_struct_na_base_pair_step.j_symmetry_1 
_ndb_struct_na_base_pair_step.i_label_asym_id_2 
_ndb_struct_na_base_pair_step.i_label_comp_id_2 
_ndb_struct_na_base_pair_step.i_label_seq_id_2 
_ndb_struct_na_base_pair_step.i_symmetry_2 
_ndb_struct_na_base_pair_step.j_label_asym_id_2 
_ndb_struct_na_base_pair_step.j_label_comp_id_2 
_ndb_struct_na_base_pair_step.j_label_seq_id_2 
_ndb_struct_na_base_pair_step.j_symmetry_2 
_ndb_struct_na_base_pair_step.shift 
_ndb_struct_na_base_pair_step.slide 
_ndb_struct_na_base_pair_step.rise 
_ndb_struct_na_base_pair_step.tilt 
_ndb_struct_na_base_pair_step.roll 
_ndb_struct_na_base_pair_step.twist 
_ndb_struct_na_base_pair_step.x_displacement 
_ndb_struct_na_base_pair_step.y_displacement 
_ndb_struct_na_base_pair_step.helical_rise 
_ndb_struct_na_base_pair_step.inclination 
_ndb_struct_na_base_pair_step.tip 
_ndb_struct_na_base_pair_step.helical_twist 
_ndb_struct_na_base_pair_step.step_number 
_ndb_struct_na_base_pair_step.step_name 
_ndb_struct_na_base_pair_step.i_auth_asym_id_1 
_ndb_struct_na_base_pair_step.i_auth_seq_id_1 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_1 
_ndb_struct_na_base_pair_step.j_auth_asym_id_1 
_ndb_struct_na_base_pair_step.j_auth_seq_id_1 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_1 
_ndb_struct_na_base_pair_step.i_auth_asym_id_2 
_ndb_struct_na_base_pair_step.i_auth_seq_id_2 
_ndb_struct_na_base_pair_step.i_PDB_ins_code_2 
_ndb_struct_na_base_pair_step.j_auth_asym_id_2 
_ndb_struct_na_base_pair_step.j_auth_seq_id_2 
_ndb_struct_na_base_pair_step.j_PDB_ins_code_2 
1 A DC  1  1_555 B DG  12 1_555 A DG  2  1_555 B DC  11 1_555 -0.378 0.229  3.220 -4.066 -1.325 36.665 0.538  0.053  3.232 -2.097  
6.437  36.905 1  AA_DC1DG2:DC23DG24_BB   A 1  ? B 24 ? A 2  ? B 23 ? 
1 A DG  2  1_555 B DC  11 1_555 A DC  3  1_555 B DG  10 1_555 0.589  0.478  3.513 4.028  -6.893 41.940 1.399  -0.375 3.436 -9.526  
-5.567 42.659 2  AA_DG2DC3:DG22DC23_BB   A 2  ? B 23 ? A 3  ? B 22 ? 
1 A DC  3  1_555 B DG  10 1_555 A DG  4  1_555 B DC  9  1_555 -0.395 0.597  3.027 2.093  8.822  26.396 -0.764 1.296  3.025 18.634  
-4.421 27.884 3  AA_DC3DG4:DC21DG22_BB   A 3  ? B 22 ? A 4  ? B 21 ? 
1 A DG  4  1_555 B DC  9  1_555 A DA  5  1_555 B TLC 8  1_555 0.197  -0.225 3.381 -0.817 0.652  38.944 -0.419 -0.397 3.372 0.978   
1.225  38.958 4  AA_DG4DA5:TLC20DC21_BB  A 4  ? B 21 ? A 5  ? B 20 ? 
1 A DA  5  1_555 B TLC 8  1_555 A DA  6  1_555 B TLC 7  1_555 0.003  -0.474 3.180 -2.830 0.859  36.529 -0.868 -0.382 3.159 1.367   
4.506  36.644 5  AA_DA5DA6:TLC19TLC20_BB A 5  ? B 20 ? A 6  ? B 19 ? 
1 A DA  6  1_555 B TLC 7  1_555 A TLC 7  1_555 B DA  6  1_555 0.186  -0.836 3.467 0.353  -1.707 30.462 -1.227 -0.279 3.510 -3.246  
-0.671 30.511 6  AA_DA6TLC7:DA18TLC19_BB A 6  ? B 19 ? A 7  ? B 18 ? 
1 A TLC 7  1_555 B DA  6  1_555 A TLC 8  1_555 B DA  5  1_555 -0.074 -0.559 3.179 3.561  -0.289 33.081 -0.930 0.707  3.159 -0.506  
-6.231 33.268 7  AA_TLC7TLC8:DA17DA18_BB A 7  ? B 18 ? A 8  ? B 17 ? 
1 A TLC 8  1_555 B DA  5  1_555 A DC  9  1_555 B DG  4  1_555 -0.223 -0.240 3.407 1.247  -3.524 43.145 0.033  0.429  3.408 -4.782  
-1.692 43.299 8  AA_TLC8DC9:DG16DA17_BB  A 8  ? B 17 ? A 9  ? B 16 ? 
1 A DC  9  1_555 B DG  4  1_555 A DG  10 1_555 B DC  3  1_555 0.655  0.819  2.972 -2.830 3.757  26.028 0.876  -2.120 2.972 8.257   
6.218  26.442 9  AA_DC9DG10:DC15DG16_BB  A 9  ? B 16 ? A 10 ? B 15 ? 
1 A DG  10 1_555 B DC  3  1_555 A DC  11 1_555 B DG  2  1_555 -1.273 0.588  3.391 -1.696 -9.897 42.229 1.784  1.554  3.227 -13.508 
2.315  43.354 10 AA_DG10DC11:DG14DC15_BB A 10 ? B 15 ? A 11 ? B 14 ? 
1 A DC  11 1_555 B DG  2  1_555 A DG  12 1_555 B DC  1  1_555 0.193  0.442  3.272 -0.032 7.468  33.789 -0.427 -0.330 3.292 12.658  
0.054  34.582 11 AA_DC11DG12:DC13DG14_BB A 11 ? B 14 ? A 12 ? B 13 ? 
# 
_atom_sites.entry_id                    1EI4 
_atom_sites.fract_transf_matrix[1][1]   0.039557 
_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]   0.024661 
_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]   0.015354 
_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  
MG 
N  
O  
P  
# 
loop_