data_1I2Y
# 
_entry.id   1I2Y 
# 
_audit_conform.dict_name       mmcif_pdbx.dic 
_audit_conform.dict_version    5.386 
_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   1I2Y         pdb_00001i2y 10.2210/pdb1i2y/pdb 
NDB   AH0014       ?            ?                   
RCSB  RCSB012837   ?            ?                   
WWPDB D_1000012837 ?            ?                   
# 
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 2001-04-21 
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' 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' '_struct_site.pdbx_auth_asym_id'      
4 4 'Structure model' '_struct_site.pdbx_auth_comp_id'      
5 4 'Structure model' '_struct_site.pdbx_auth_seq_id'       
# 
_pdbx_database_status.status_code                     REL 
_pdbx_database_status.entry_id                        1I2Y 
_pdbx_database_status.recvd_initial_deposition_date   2001-02-12 
_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.status_code_mr                  ? 
_pdbx_database_status.pdb_format_compatible           Y 
_pdbx_database_status.status_code_cs                  ? 
_pdbx_database_status.status_code_nmr_data            ? 
_pdbx_database_status.methods_development_category    ? 
# 
loop_
_audit_author.name 
_audit_author.pdbx_ordinal 
'Tereshko, V.' 1 
'Wallace, S.'  2 
'Usman, N.'    3 
'Wincott, F.'  4 
'Egli, M.'     5 
# 
_citation.id                        primary 
_citation.title                     
;X-ray crystallographic observation of "in-line" and "adjacent" conformations in a bulged self-cleaving RNA/DNA hybrid.
;
_citation.journal_abbrev            RNA 
_citation.journal_volume            7 
_citation.page_first                405 
_citation.page_last                 420 
_citation.year                      2001 
_citation.journal_id_ASTM           RNARFU 
_citation.country                   UK 
_citation.journal_id_ISSN           1355-8382 
_citation.journal_id_CSD            2122 
_citation.book_publisher            ? 
_citation.pdbx_database_id_PubMed   11333021 
_citation.pdbx_database_id_DOI      10.1017/S1355838201001935 
# 
loop_
_citation_author.citation_id 
_citation_author.name 
_citation_author.ordinal 
_citation_author.identifier_ORCID 
primary 'Tereshko, V.'  1 ? 
primary 'Wallace, S.T.' 2 ? 
primary 'Usman, N.'     3 ? 
primary 'Wincott, F.E.' 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/RNA (5'-R(*GP*CP*G)-D(P*AP*TP*AP*T)-R(P*AP*CP*GP*U)-3')
;
3471.194 6   ? ? ? ? 
2 non-polymer syn SPERMINE                                                      202.340  1   ? ? ? ? 
3 water       nat water                                                         18.015   334 ? ? ? ? 
# 
_entity_poly.entity_id                      1 
_entity_poly.type                           'polydeoxyribonucleotide/polyribonucleotide hybrid' 
_entity_poly.nstd_linkage                   no 
_entity_poly.nstd_monomer                   no 
_entity_poly.pdbx_seq_one_letter_code       'GCG(DA)(DT)(DA)(DT)ACGU' 
_entity_poly.pdbx_seq_one_letter_code_can   GCGATATACGU 
_entity_poly.pdbx_strand_id                 A,B,C,D,E,F 
_entity_poly.pdbx_target_identifier         ? 
# 
loop_
_pdbx_entity_nonpoly.entity_id 
_pdbx_entity_nonpoly.name 
_pdbx_entity_nonpoly.comp_id 
2 SPERMINE SPM 
3 water    HOH 
# 
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  C  n 
1 3  G  n 
1 4  DA n 
1 5  DT n 
1 6  DA n 
1 7  DT n 
1 8  A  n 
1 9  C  n 
1 10 G  n 
1 11 U  n 
# 
loop_
_chem_comp.id 
_chem_comp.type 
_chem_comp.mon_nstd_flag 
_chem_comp.name 
_chem_comp.pdbx_synonyms 
_chem_comp.formula 
_chem_comp.formula_weight 
A   'RNA linking' y "ADENOSINE-5'-MONOPHOSPHATE"         ? 'C10 H14 N5 O7 P' 347.221 
C   'RNA linking' y "CYTIDINE-5'-MONOPHOSPHATE"          ? 'C9 H14 N3 O8 P'  323.197 
DA  'DNA linking' y "2'-DEOXYADENOSINE-5'-MONOPHOSPHATE" ? 'C10 H14 N5 O6 P' 331.222 
DT  'DNA linking' y "THYMIDINE-5'-MONOPHOSPHATE"         ? 'C10 H15 N2 O8 P' 322.208 
G   'RNA linking' y "GUANOSINE-5'-MONOPHOSPHATE"         ? 'C10 H14 N5 O8 P' 363.221 
HOH non-polymer   . WATER                                ? 'H2 O'            18.015  
SPM non-polymer   . SPERMINE                             ? 'C10 H26 N4'      202.340 
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  1   1   G  G A . n 
A 1 2  C  2  2   2   C  C A . n 
A 1 3  G  3  3   3   G  G A . n 
A 1 4  DA 4  4   4   DA A A . n 
A 1 5  DT 5  5   5   DT T A . n 
A 1 6  DA 6  6   6   DA A A . n 
A 1 7  DT 7  7   7   DT T A . n 
A 1 8  A  8  8   8   A  A A . n 
A 1 9  C  9  9   9   C  C A . n 
A 1 10 G  10 10  10  G  G A . n 
A 1 11 U  11 11  11  U  U A . n 
B 1 1  G  1  21  21  G  G B . n 
B 1 2  C  2  22  22  C  C B . n 
B 1 3  G  3  23  23  G  G B . n 
B 1 4  DA 4  24  24  DA A B . n 
B 1 5  DT 5  25  25  DT T B . n 
B 1 6  DA 6  26  26  DA A B . n 
B 1 7  DT 7  27  27  DT T B . n 
B 1 8  A  8  28  28  A  A B . n 
B 1 9  C  9  29  29  C  C B . n 
B 1 10 G  10 30  30  G  G B . n 
B 1 11 U  11 31  31  U  U B . n 
C 1 1  G  1  101 101 G  G C . n 
C 1 2  C  2  102 102 C  C C . n 
C 1 3  G  3  103 103 G  G C . n 
C 1 4  DA 4  104 104 DA A C . n 
C 1 5  DT 5  105 105 DT T C . n 
C 1 6  DA 6  106 106 DA A C . n 
C 1 7  DT 7  107 107 DT T C . n 
C 1 8  A  8  108 108 A  A C . n 
C 1 9  C  9  109 109 C  C C . n 
C 1 10 G  10 110 110 G  G C . n 
C 1 11 U  11 111 111 U  U C . n 
D 1 1  G  1  121 121 G  G D . n 
D 1 2  C  2  122 122 C  C D . n 
D 1 3  G  3  123 123 G  G D . n 
D 1 4  DA 4  124 124 DA A D . n 
D 1 5  DT 5  125 125 DT T D . n 
D 1 6  DA 6  126 126 DA A D . n 
D 1 7  DT 7  127 127 DT T D . n 
D 1 8  A  8  128 128 A  A D . n 
D 1 9  C  9  129 129 C  C D . n 
D 1 10 G  10 130 130 G  G D . n 
D 1 11 U  11 131 131 U  U D . n 
E 1 1  G  1  201 201 G  G E . n 
E 1 2  C  2  202 202 C  C E . n 
E 1 3  G  3  203 203 G  G E . n 
E 1 4  DA 4  204 204 DA A E . n 
E 1 5  DT 5  205 205 DT T E . n 
E 1 6  DA 6  206 206 DA A E . n 
E 1 7  DT 7  207 207 DT T E . n 
E 1 8  A  8  208 208 A  A E . n 
E 1 9  C  9  209 209 C  C E . n 
E 1 10 G  10 210 210 G  G E . n 
E 1 11 U  11 211 211 U  U E . n 
F 1 1  G  1  221 221 G  G F . n 
F 1 2  C  2  222 222 C  C F . n 
F 1 3  G  3  223 223 G  G F . n 
F 1 4  DA 4  224 224 DA A F . n 
F 1 5  DT 5  225 225 DT T F . n 
F 1 6  DA 6  226 226 DA A F . n 
F 1 7  DT 7  227 227 DT T F . n 
F 1 8  A  8  228 228 A  A F . n 
F 1 9  C  9  229 229 C  C F . n 
F 1 10 G  10 230 230 G  G F . n 
F 1 11 U  11 231 231 U  U F . 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 
G 2 SPM 1  300 300 SPM SPM D . 
H 3 HOH 1  303 303 HOH HOH A . 
H 3 HOH 2  304 304 HOH HOH A . 
H 3 HOH 3  308 308 HOH HOH A . 
H 3 HOH 4  326 326 HOH HOH A . 
H 3 HOH 5  327 327 HOH HOH A . 
H 3 HOH 6  330 330 HOH HOH A . 
H 3 HOH 7  331 331 HOH HOH A . 
H 3 HOH 8  332 332 HOH HOH A . 
H 3 HOH 9  335 335 HOH HOH A . 
H 3 HOH 10 337 337 HOH HOH A . 
H 3 HOH 11 341 341 HOH HOH A . 
H 3 HOH 12 342 342 HOH HOH A . 
H 3 HOH 13 346 346 HOH HOH A . 
H 3 HOH 14 351 351 HOH HOH A . 
H 3 HOH 15 359 359 HOH HOH A . 
H 3 HOH 16 361 361 HOH HOH A . 
H 3 HOH 17 365 365 HOH HOH A . 
H 3 HOH 18 374 374 HOH HOH A . 
H 3 HOH 19 378 378 HOH HOH A . 
H 3 HOH 20 383 383 HOH HOH A . 
H 3 HOH 21 387 387 HOH HOH A . 
H 3 HOH 22 388 388 HOH HOH A . 
H 3 HOH 23 398 398 HOH HOH A . 
H 3 HOH 24 400 400 HOH HOH A . 
H 3 HOH 25 420 420 HOH HOH A . 
H 3 HOH 26 422 422 HOH HOH A . 
H 3 HOH 27 426 426 HOH HOH A . 
H 3 HOH 28 438 438 HOH HOH A . 
H 3 HOH 29 440 440 HOH HOH A . 
H 3 HOH 30 442 442 HOH HOH A . 
H 3 HOH 31 462 462 HOH HOH A . 
H 3 HOH 32 464 464 HOH HOH A . 
H 3 HOH 33 470 470 HOH HOH A . 
H 3 HOH 34 476 476 HOH HOH A . 
H 3 HOH 35 478 478 HOH HOH A . 
H 3 HOH 36 480 480 HOH HOH A . 
H 3 HOH 37 484 484 HOH HOH A . 
H 3 HOH 38 485 485 HOH HOH A . 
H 3 HOH 39 486 486 HOH HOH A . 
H 3 HOH 40 507 507 HOH HOH A . 
H 3 HOH 41 509 509 HOH HOH A . 
H 3 HOH 42 517 517 HOH HOH A . 
H 3 HOH 43 518 518 HOH HOH A . 
H 3 HOH 44 519 519 HOH HOH A . 
H 3 HOH 45 520 520 HOH HOH A . 
H 3 HOH 46 528 528 HOH HOH A . 
H 3 HOH 47 534 534 HOH HOH A . 
H 3 HOH 48 537 537 HOH HOH A . 
H 3 HOH 49 548 548 HOH HOH A . 
H 3 HOH 50 557 557 HOH HOH A . 
H 3 HOH 51 559 559 HOH HOH A . 
H 3 HOH 52 575 575 HOH HOH A . 
H 3 HOH 53 578 578 HOH HOH A . 
H 3 HOH 54 588 588 HOH HOH A . 
H 3 HOH 55 594 594 HOH HOH A . 
H 3 HOH 56 599 599 HOH HOH A . 
H 3 HOH 57 606 606 HOH HOH A . 
H 3 HOH 58 609 609 HOH HOH A . 
H 3 HOH 59 620 620 HOH HOH A . 
H 3 HOH 60 621 621 HOH HOH A . 
H 3 HOH 61 630 630 HOH HOH A . 
H 3 HOH 62 631 631 HOH HOH A . 
I 3 HOH 1  301 301 HOH HOH B . 
I 3 HOH 2  309 309 HOH HOH B . 
I 3 HOH 3  313 313 HOH HOH B . 
I 3 HOH 4  321 321 HOH HOH B . 
I 3 HOH 5  323 323 HOH HOH B . 
I 3 HOH 6  324 324 HOH HOH B . 
I 3 HOH 7  328 328 HOH HOH B . 
I 3 HOH 8  334 334 HOH HOH B . 
I 3 HOH 9  343 343 HOH HOH B . 
I 3 HOH 10 348 348 HOH HOH B . 
I 3 HOH 11 349 349 HOH HOH B . 
I 3 HOH 12 356 356 HOH HOH B . 
I 3 HOH 13 360 360 HOH HOH B . 
I 3 HOH 14 363 363 HOH HOH B . 
I 3 HOH 15 364 364 HOH HOH B . 
I 3 HOH 16 366 366 HOH HOH B . 
I 3 HOH 17 370 370 HOH HOH B . 
I 3 HOH 18 372 372 HOH HOH B . 
I 3 HOH 19 375 375 HOH HOH B . 
I 3 HOH 20 376 376 HOH HOH B . 
I 3 HOH 21 377 377 HOH HOH B . 
I 3 HOH 22 380 380 HOH HOH B . 
I 3 HOH 23 393 393 HOH HOH B . 
I 3 HOH 24 399 399 HOH HOH B . 
I 3 HOH 25 401 401 HOH HOH B . 
I 3 HOH 26 402 402 HOH HOH B . 
I 3 HOH 27 405 405 HOH HOH B . 
I 3 HOH 28 407 407 HOH HOH B . 
I 3 HOH 29 408 408 HOH HOH B . 
I 3 HOH 30 415 415 HOH HOH B . 
I 3 HOH 31 417 417 HOH HOH B . 
I 3 HOH 32 418 418 HOH HOH B . 
I 3 HOH 33 421 421 HOH HOH B . 
I 3 HOH 34 431 431 HOH HOH B . 
I 3 HOH 35 432 432 HOH HOH B . 
I 3 HOH 36 436 436 HOH HOH B . 
I 3 HOH 37 446 446 HOH HOH B . 
I 3 HOH 38 450 450 HOH HOH B . 
I 3 HOH 39 457 457 HOH HOH B . 
I 3 HOH 40 465 465 HOH HOH B . 
I 3 HOH 41 466 466 HOH HOH B . 
I 3 HOH 42 474 474 HOH HOH B . 
I 3 HOH 43 482 482 HOH HOH B . 
I 3 HOH 44 483 483 HOH HOH B . 
I 3 HOH 45 488 488 HOH HOH B . 
I 3 HOH 46 495 495 HOH HOH B . 
I 3 HOH 47 504 504 HOH HOH B . 
I 3 HOH 48 505 505 HOH HOH B . 
I 3 HOH 49 529 529 HOH HOH B . 
I 3 HOH 50 531 531 HOH HOH B . 
I 3 HOH 51 541 541 HOH HOH B . 
I 3 HOH 52 544 544 HOH HOH B . 
I 3 HOH 53 554 554 HOH HOH B . 
I 3 HOH 54 555 555 HOH HOH B . 
I 3 HOH 55 556 556 HOH HOH B . 
I 3 HOH 56 563 563 HOH HOH B . 
I 3 HOH 57 568 568 HOH HOH B . 
I 3 HOH 58 574 574 HOH HOH B . 
I 3 HOH 59 580 580 HOH HOH B . 
I 3 HOH 60 604 604 HOH HOH B . 
I 3 HOH 61 608 608 HOH HOH B . 
I 3 HOH 62 611 611 HOH HOH B . 
I 3 HOH 63 615 615 HOH HOH B . 
J 3 HOH 1  310 310 HOH HOH C . 
J 3 HOH 2  314 314 HOH HOH C . 
J 3 HOH 3  318 318 HOH HOH C . 
J 3 HOH 4  333 333 HOH HOH C . 
J 3 HOH 5  340 340 HOH HOH C . 
J 3 HOH 6  347 347 HOH HOH C . 
J 3 HOH 7  353 353 HOH HOH C . 
J 3 HOH 8  357 357 HOH HOH C . 
J 3 HOH 9  368 368 HOH HOH C . 
J 3 HOH 10 369 369 HOH HOH C . 
J 3 HOH 11 384 384 HOH HOH C . 
J 3 HOH 12 391 391 HOH HOH C . 
J 3 HOH 13 394 394 HOH HOH C . 
J 3 HOH 14 406 406 HOH HOH C . 
J 3 HOH 15 412 412 HOH HOH C . 
J 3 HOH 16 413 413 HOH HOH C . 
J 3 HOH 17 416 416 HOH HOH C . 
J 3 HOH 18 424 424 HOH HOH C . 
J 3 HOH 19 430 430 HOH HOH C . 
J 3 HOH 20 439 439 HOH HOH C . 
J 3 HOH 21 460 460 HOH HOH C . 
J 3 HOH 22 471 471 HOH HOH C . 
J 3 HOH 23 473 473 HOH HOH C . 
J 3 HOH 24 477 477 HOH HOH C . 
J 3 HOH 25 479 479 HOH HOH C . 
J 3 HOH 26 481 481 HOH HOH C . 
J 3 HOH 27 487 487 HOH HOH C . 
J 3 HOH 28 492 492 HOH HOH C . 
J 3 HOH 29 506 506 HOH HOH C . 
J 3 HOH 30 511 511 HOH HOH C . 
J 3 HOH 31 513 513 HOH HOH C . 
J 3 HOH 32 521 521 HOH HOH C . 
J 3 HOH 33 522 522 HOH HOH C . 
J 3 HOH 34 527 527 HOH HOH C . 
J 3 HOH 35 530 530 HOH HOH C . 
J 3 HOH 36 538 538 HOH HOH C . 
J 3 HOH 37 540 540 HOH HOH C . 
J 3 HOH 38 553 553 HOH HOH C . 
J 3 HOH 39 562 562 HOH HOH C . 
J 3 HOH 40 566 566 HOH HOH C . 
J 3 HOH 41 572 572 HOH HOH C . 
J 3 HOH 42 584 584 HOH HOH C . 
J 3 HOH 43 586 586 HOH HOH C . 
J 3 HOH 44 587 587 HOH HOH C . 
J 3 HOH 45 589 589 HOH HOH C . 
J 3 HOH 46 591 591 HOH HOH C . 
J 3 HOH 47 597 597 HOH HOH C . 
J 3 HOH 48 603 603 HOH HOH C . 
J 3 HOH 49 607 607 HOH HOH C . 
J 3 HOH 50 610 610 HOH HOH C . 
J 3 HOH 51 612 612 HOH HOH C . 
J 3 HOH 52 613 613 HOH HOH C . 
J 3 HOH 53 616 616 HOH HOH C . 
J 3 HOH 54 618 618 HOH HOH C . 
J 3 HOH 55 622 622 HOH HOH C . 
J 3 HOH 56 624 624 HOH HOH C . 
J 3 HOH 57 626 626 HOH HOH C . 
J 3 HOH 58 632 632 HOH HOH C . 
K 3 HOH 1  305 305 HOH HOH D . 
K 3 HOH 2  311 311 HOH HOH D . 
K 3 HOH 3  312 312 HOH HOH D . 
K 3 HOH 4  316 316 HOH HOH D . 
K 3 HOH 5  317 317 HOH HOH D . 
K 3 HOH 6  320 320 HOH HOH D . 
K 3 HOH 7  322 322 HOH HOH D . 
K 3 HOH 8  325 325 HOH HOH D . 
K 3 HOH 9  338 338 HOH HOH D . 
K 3 HOH 10 339 339 HOH HOH D . 
K 3 HOH 11 345 345 HOH HOH D . 
K 3 HOH 12 350 350 HOH HOH D . 
K 3 HOH 13 352 352 HOH HOH D . 
K 3 HOH 14 354 354 HOH HOH D . 
K 3 HOH 15 358 358 HOH HOH D . 
K 3 HOH 16 362 362 HOH HOH D . 
K 3 HOH 17 367 367 HOH HOH D . 
K 3 HOH 18 371 371 HOH HOH D . 
K 3 HOH 19 373 373 HOH HOH D . 
K 3 HOH 20 379 379 HOH HOH D . 
K 3 HOH 21 381 381 HOH HOH D . 
K 3 HOH 22 385 385 HOH HOH D . 
K 3 HOH 23 389 389 HOH HOH D . 
K 3 HOH 24 390 390 HOH HOH D . 
K 3 HOH 25 392 392 HOH HOH D . 
K 3 HOH 26 395 395 HOH HOH D . 
K 3 HOH 27 396 396 HOH HOH D . 
K 3 HOH 28 397 397 HOH HOH D . 
K 3 HOH 29 403 403 HOH HOH D . 
K 3 HOH 30 404 404 HOH HOH D . 
K 3 HOH 31 409 409 HOH HOH D . 
K 3 HOH 32 410 410 HOH HOH D . 
K 3 HOH 33 423 423 HOH HOH D . 
K 3 HOH 34 425 425 HOH HOH D . 
K 3 HOH 35 427 427 HOH HOH D . 
K 3 HOH 36 429 429 HOH HOH D . 
K 3 HOH 37 433 433 HOH HOH D . 
K 3 HOH 38 443 443 HOH HOH D . 
K 3 HOH 39 444 444 HOH HOH D . 
K 3 HOH 40 448 448 HOH HOH D . 
K 3 HOH 41 451 451 HOH HOH D . 
K 3 HOH 42 455 455 HOH HOH D . 
K 3 HOH 43 456 456 HOH HOH D . 
K 3 HOH 44 458 458 HOH HOH D . 
K 3 HOH 45 459 459 HOH HOH D . 
K 3 HOH 46 472 472 HOH HOH D . 
K 3 HOH 47 498 498 HOH HOH D . 
K 3 HOH 48 499 499 HOH HOH D . 
K 3 HOH 49 501 501 HOH HOH D . 
K 3 HOH 50 503 503 HOH HOH D . 
K 3 HOH 51 512 512 HOH HOH D . 
K 3 HOH 52 516 516 HOH HOH D . 
K 3 HOH 53 524 524 HOH HOH D . 
K 3 HOH 54 525 525 HOH HOH D . 
K 3 HOH 55 533 533 HOH HOH D . 
K 3 HOH 56 539 539 HOH HOH D . 
K 3 HOH 57 543 543 HOH HOH D . 
K 3 HOH 58 545 545 HOH HOH D . 
K 3 HOH 59 560 560 HOH HOH D . 
K 3 HOH 60 561 561 HOH HOH D . 
K 3 HOH 61 569 569 HOH HOH D . 
K 3 HOH 62 570 570 HOH HOH D . 
K 3 HOH 63 576 576 HOH HOH D . 
K 3 HOH 64 581 581 HOH HOH D . 
K 3 HOH 65 582 582 HOH HOH D . 
K 3 HOH 66 593 593 HOH HOH D . 
K 3 HOH 67 595 595 HOH HOH D . 
L 3 HOH 1  302 302 HOH HOH E . 
L 3 HOH 2  319 319 HOH HOH E . 
L 3 HOH 3  336 336 HOH HOH E . 
L 3 HOH 4  386 386 HOH HOH E . 
L 3 HOH 5  411 411 HOH HOH E . 
L 3 HOH 6  414 414 HOH HOH E . 
L 3 HOH 7  449 449 HOH HOH E . 
L 3 HOH 8  452 452 HOH HOH E . 
L 3 HOH 9  454 454 HOH HOH E . 
L 3 HOH 10 461 461 HOH HOH E . 
L 3 HOH 11 468 468 HOH HOH E . 
L 3 HOH 12 475 475 HOH HOH E . 
L 3 HOH 13 489 489 HOH HOH E . 
L 3 HOH 14 494 494 HOH HOH E . 
L 3 HOH 15 496 496 HOH HOH E . 
L 3 HOH 16 497 497 HOH HOH E . 
L 3 HOH 17 515 515 HOH HOH E . 
L 3 HOH 18 523 523 HOH HOH E . 
L 3 HOH 19 526 526 HOH HOH E . 
L 3 HOH 20 546 546 HOH HOH E . 
L 3 HOH 21 547 547 HOH HOH E . 
L 3 HOH 22 549 549 HOH HOH E . 
L 3 HOH 23 551 551 HOH HOH E . 
L 3 HOH 24 558 558 HOH HOH E . 
L 3 HOH 25 571 571 HOH HOH E . 
L 3 HOH 26 577 577 HOH HOH E . 
L 3 HOH 27 579 579 HOH HOH E . 
L 3 HOH 28 583 583 HOH HOH E . 
L 3 HOH 29 585 585 HOH HOH E . 
L 3 HOH 30 590 590 HOH HOH E . 
L 3 HOH 31 592 592 HOH HOH E . 
L 3 HOH 32 596 596 HOH HOH E . 
L 3 HOH 33 598 598 HOH HOH E . 
L 3 HOH 34 602 602 HOH HOH E . 
L 3 HOH 35 617 617 HOH HOH E . 
L 3 HOH 36 625 625 HOH HOH E . 
L 3 HOH 37 627 627 HOH HOH E . 
L 3 HOH 38 628 628 HOH HOH E . 
L 3 HOH 39 629 629 HOH HOH E . 
M 3 HOH 1  306 306 HOH HOH F . 
M 3 HOH 2  307 307 HOH HOH F . 
M 3 HOH 3  315 315 HOH HOH F . 
M 3 HOH 4  329 329 HOH HOH F . 
M 3 HOH 5  344 344 HOH HOH F . 
M 3 HOH 6  355 355 HOH HOH F . 
M 3 HOH 7  382 382 HOH HOH F . 
M 3 HOH 8  419 419 HOH HOH F . 
M 3 HOH 9  428 428 HOH HOH F . 
M 3 HOH 10 434 434 HOH HOH F . 
M 3 HOH 11 435 435 HOH HOH F . 
M 3 HOH 12 437 437 HOH HOH F . 
M 3 HOH 13 441 441 HOH HOH F . 
M 3 HOH 14 445 445 HOH HOH F . 
M 3 HOH 15 447 447 HOH HOH F . 
M 3 HOH 16 453 453 HOH HOH F . 
M 3 HOH 17 463 463 HOH HOH F . 
M 3 HOH 18 467 467 HOH HOH F . 
M 3 HOH 19 469 469 HOH HOH F . 
M 3 HOH 20 490 490 HOH HOH F . 
M 3 HOH 21 491 491 HOH HOH F . 
M 3 HOH 22 493 493 HOH HOH F . 
M 3 HOH 23 500 500 HOH HOH F . 
M 3 HOH 24 502 502 HOH HOH F . 
M 3 HOH 25 508 508 HOH HOH F . 
M 3 HOH 26 510 510 HOH HOH F . 
M 3 HOH 27 514 514 HOH HOH F . 
M 3 HOH 28 532 532 HOH HOH F . 
M 3 HOH 29 535 535 HOH HOH F . 
M 3 HOH 30 536 536 HOH HOH F . 
M 3 HOH 31 542 542 HOH HOH F . 
M 3 HOH 32 550 550 HOH HOH F . 
M 3 HOH 33 552 552 HOH HOH F . 
M 3 HOH 34 564 564 HOH HOH F . 
M 3 HOH 35 565 565 HOH HOH F . 
M 3 HOH 36 567 567 HOH HOH F . 
M 3 HOH 37 573 573 HOH HOH F . 
M 3 HOH 38 600 600 HOH HOH F . 
M 3 HOH 39 601 601 HOH HOH F . 
M 3 HOH 40 605 605 HOH HOH F . 
M 3 HOH 41 614 614 HOH HOH F . 
M 3 HOH 42 619 619 HOH HOH F . 
M 3 HOH 43 623 623 HOH HOH F . 
M 3 HOH 44 633 633 HOH HOH F . 
M 3 HOH 45 634 634 HOH HOH F . 
# 
loop_
_software.name 
_software.classification 
_software.version 
_software.citation_id 
_software.pdbx_ordinal 
DENZO     'data reduction' .   ? 1 
SCALEPACK 'data scaling'   .   ? 2 
AMoRE     phasing          .   ? 3 
CNS       refinement       1.0 ? 4 
# 
_cell.entry_id           1I2Y 
_cell.length_a           30.53 
_cell.length_b           45.22 
_cell.length_c           162.02 
_cell.angle_alpha        90 
_cell.angle_beta         90 
_cell.angle_gamma        90 
_cell.Z_PDB              24 
_cell.pdbx_unique_axis   ? 
_cell.length_a_esd       ? 
_cell.length_b_esd       ? 
_cell.length_c_esd       ? 
_cell.angle_alpha_esd    ? 
_cell.angle_beta_esd     ? 
_cell.angle_gamma_esd    ? 
# 
_symmetry.entry_id                         1I2Y 
_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 
_symmetry.space_group_name_Hall            ? 
# 
_exptl.entry_id          1I2Y 
_exptl.method            'X-RAY DIFFRACTION' 
_exptl.crystals_number   1 
# 
_exptl_crystal.id                    1 
_exptl_crystal.density_meas          ? 
_exptl_crystal.density_Matthews      2.66 
_exptl_crystal.density_percent_sol   53.77 
_exptl_crystal.description           ? 
_exptl_crystal.F_000                 ? 
_exptl_crystal.preparation           ? 
# 
_exptl_crystal_grow.crystal_id      1 
_exptl_crystal_grow.method          'VAPOR DIFFUSION, SITTING DROP' 
_exptl_crystal_grow.temp            298 
_exptl_crystal_grow.temp_details    ? 
_exptl_crystal_grow.pH              6.0 
_exptl_crystal_grow.pdbx_details    'spermine, MPD. pH 6.0,  VAPOR DIFFUSION, SITTING DROP at 298' 
_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 MPD      ? ? ? 
1 3 2 MPD      ? ? ? 
# 
_diffrn.id                     1 
_diffrn.ambient_temp           100 
_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   1998-01-11 
_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   1.0 
_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             ? 
_diffrn_source.pdbx_wavelength_list        1.0 
# 
_reflns.entry_id                     1I2Y 
_reflns.observed_criterion_sigma_I   0 
_reflns.observed_criterion_sigma_F   0 
_reflns.d_resolution_low             20 
_reflns.d_resolution_high            1.66 
_reflns.number_obs                   26418 
_reflns.number_all                   26418 
_reflns.percent_possible_obs         100 
_reflns.pdbx_Rmerge_I_obs            ? 
_reflns.pdbx_Rsym_value              ? 
_reflns.pdbx_netI_over_sigmaI        ? 
_reflns.B_iso_Wilson_estimate        ? 
_reflns.pdbx_redundancy              ? 
_reflns.R_free_details               ? 
_reflns.pdbx_chi_squared             ? 
_reflns.pdbx_scaling_rejects         ? 
_reflns.pdbx_diffrn_id               1 
_reflns.pdbx_ordinal                 1 
# 
_refine.entry_id                                 1I2Y 
_refine.ls_number_reflns_obs                     26418 
_refine.ls_number_reflns_all                     26418 
_refine.pdbx_ls_sigma_I                          0 
_refine.pdbx_ls_sigma_F                          0 
_refine.pdbx_data_cutoff_high_absF               ? 
_refine.pdbx_data_cutoff_low_absF                ? 
_refine.ls_d_res_low                             10 
_refine.ls_d_res_high                            1.66 
_refine.ls_percent_reflns_obs                    ? 
_refine.ls_R_factor_obs                          ? 
_refine.ls_R_factor_all                          ? 
_refine.ls_R_factor_R_work                       0.217 
_refine.ls_R_factor_R_free                       0.248 
_refine.ls_R_factor_R_free_error                 ? 
_refine.ls_R_factor_R_free_error_details         ? 
_refine.ls_percent_reflns_R_free                 8.8 
_refine.ls_number_reflns_R_free                  2335 
_refine.ls_number_parameters                     ? 
_refine.ls_number_restraints                     ? 
_refine.occupancy_min                            ? 
_refine.occupancy_max                            ? 
_refine.B_iso_mean                               ? 
_refine.aniso_B[1][1]                            ? 
_refine.aniso_B[2][2]                            ? 
_refine.aniso_B[3][3]                            ? 
_refine.aniso_B[1][2]                            ? 
_refine.aniso_B[1][3]                            ? 
_refine.aniso_B[2][3]                            ? 
_refine.solvent_model_details                    ? 
_refine.solvent_model_param_ksol                 ? 
_refine.solvent_model_param_bsol                 ? 
_refine.pdbx_ls_cross_valid_method               througout 
_refine.details                                  ? 
_refine.pdbx_starting_model                      ? 
_refine.pdbx_method_to_determine_struct          'MOLECULAR REPLACEMENT' 
_refine.pdbx_isotropic_thermal_model             ? 
_refine.pdbx_stereochemistry_target_values       ? 
_refine.pdbx_stereochem_target_val_spec_case     ? 
_refine.pdbx_R_Free_selection_details            random 
_refine.pdbx_overall_ESU_R_Free                  ? 
_refine.overall_SU_B                             ? 
_refine.ls_redundancy_reflns_obs                 ? 
_refine.overall_SU_ML                            ? 
_refine.pdbx_overall_ESU_R                       ? 
_refine.pdbx_data_cutoff_high_rms_absF           ? 
_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_overall_phase_error                 ? 
_refine.pdbx_solvent_vdw_probe_radii             ? 
_refine.pdbx_solvent_ion_probe_radii             ? 
_refine.pdbx_solvent_shrinkage_radii             ? 
_refine.ls_wR_factor_R_free                      ? 
_refine.ls_wR_factor_R_work                      ? 
_refine.overall_FOM_free_R_set                   ? 
_refine.overall_FOM_work_R_set                   ? 
_refine.pdbx_diffrn_id                           1 
_refine.pdbx_TLS_residual_ADP_flag               ? 
_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   1380 
_refine_hist.pdbx_number_atoms_ligand         14 
_refine_hist.number_atoms_solvent             334 
_refine_hist.number_atoms_total               1728 
_refine_hist.d_res_high                       1.66 
_refine_hist.d_res_low                        10 
# 
_database_PDB_matrix.entry_id          1I2Y 
_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                  1I2Y 
_struct.title                     '1.66 A STRUCTURE OF A-DUPLEX WITH BULGED ADENOSINE, SPERMINE FORM' 
_struct.pdbx_model_details        ? 
_struct.pdbx_CASP_flag            ? 
_struct.pdbx_model_type_details   ? 
# 
_struct_keywords.entry_id        1I2Y 
_struct_keywords.pdbx_keywords   'DNA-RNA HYBRID' 
_struct_keywords.text            'adenine bulge, A-type NA, DNA/RNA hybrid, DNA-RNA HYBRID' 
# 
loop_
_struct_asym.id 
_struct_asym.pdbx_blank_PDB_chainid_flag 
_struct_asym.pdbx_modified 
_struct_asym.entity_id 
_struct_asym.details 
A N N 1 ? 
B N N 1 ? 
C N N 1 ? 
D N N 1 ? 
E N N 1 ? 
F N N 1 ? 
G N N 2 ? 
H N N 3 ? 
I N N 3 ? 
J N N 3 ? 
K N N 3 ? 
L N N 3 ? 
M N N 3 ? 
# 
_struct_ref.id                         1 
_struct_ref.entity_id                  1 
_struct_ref.db_name                    PDB 
_struct_ref.db_code                    1I2Y 
_struct_ref.pdbx_db_accession          1I2Y 
_struct_ref.pdbx_align_begin           ? 
_struct_ref.pdbx_seq_one_letter_code   ? 
_struct_ref.pdbx_db_isoform            ? 
# 
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 1I2Y A 1 ? 11 ? 1I2Y 1   ? 11  ? 1   11  
2 1 1I2Y B 1 ? 11 ? 1I2Y 21  ? 31  ? 21  31  
3 1 1I2Y C 1 ? 11 ? 1I2Y 101 ? 111 ? 101 111 
4 1 1I2Y D 1 ? 11 ? 1I2Y 121 ? 131 ? 121 131 
5 1 1I2Y E 1 ? 11 ? 1I2Y 201 ? 211 ? 201 211 
6 1 1I2Y F 1 ? 11 ? 1I2Y 221 ? 231 ? 221 231 
# 
loop_
_pdbx_struct_assembly.id 
_pdbx_struct_assembly.details 
_pdbx_struct_assembly.method_details 
_pdbx_struct_assembly.oligomeric_details 
_pdbx_struct_assembly.oligomeric_count 
1 author_defined_assembly ? dimeric 2 
2 author_defined_assembly ? dimeric 2 
3 author_defined_assembly ? dimeric 2 
# 
loop_
_pdbx_struct_assembly_gen.assembly_id 
_pdbx_struct_assembly_gen.oper_expression 
_pdbx_struct_assembly_gen.asym_id_list 
1 1 A,B,H,I   
2 1 C,D,G,J,K 
3 1 E,F,L,M   
# 
_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 
# 
loop_
_struct_biol.id 
_struct_biol.pdbx_parent_biol_id 
_struct_biol.details 
1 ? ? 
2 ? ? 
3 ? ? 
# 
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 B U  11 O2 ? ? A G  1   B U  31  1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog2  hydrog ? ? A G  1  O6 ? ? ? 1_555 B U  11 N3 ? ? A G  1   B U  31  1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog3  hydrog ? ? A C  2  N3 ? ? ? 1_555 B G  10 N1 ? ? A C  2   B G  30  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog4  hydrog ? ? A C  2  N4 ? ? ? 1_555 B G  10 O6 ? ? A C  2   B G  30  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog5  hydrog ? ? A C  2  O2 ? ? ? 1_555 B G  10 N2 ? ? A C  2   B G  30  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog6  hydrog ? ? A G  3  N1 ? ? ? 1_555 B C  9  N3 ? ? A G  3   B C  29  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog7  hydrog ? ? A G  3  N2 ? ? ? 1_555 B C  9  O2 ? ? A G  3   B C  29  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog8  hydrog ? ? A G  3  O6 ? ? ? 1_555 B C  9  N4 ? ? A G  3   B C  29  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog9  hydrog ? ? A DA 4  N1 ? ? ? 1_555 B DT 7  N3 ? ? A DA 4   B DT 27  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog10 hydrog ? ? A DA 4  N6 ? ? ? 1_555 B DT 7  O4 ? ? A DA 4   B DT 27  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog11 hydrog ? ? A DT 5  N3 ? ? ? 1_555 B DA 6  N1 ? ? A DT 5   B DA 26  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog12 hydrog ? ? A DT 5  O4 ? ? ? 1_555 B DA 6  N6 ? ? A DT 5   B DA 26  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog13 hydrog ? ? A DA 6  N1 ? ? ? 1_555 B DT 5  N3 ? ? A DA 6   B DT 25  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog14 hydrog ? ? A DA 6  N6 ? ? ? 1_555 B DT 5  O4 ? ? A DA 6   B DT 25  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog15 hydrog ? ? A DT 7  N3 ? ? ? 1_555 B DA 4  N1 ? ? A DT 7   B DA 24  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog16 hydrog ? ? A DT 7  O4 ? ? ? 1_555 B DA 4  N6 ? ? A DT 7   B DA 24  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog17 hydrog ? ? A C  9  N3 ? ? ? 1_555 B G  3  N1 ? ? A C  9   B G  23  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog18 hydrog ? ? A C  9  N4 ? ? ? 1_555 B G  3  O6 ? ? A C  9   B G  23  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog19 hydrog ? ? A C  9  O2 ? ? ? 1_555 B G  3  N2 ? ? A C  9   B G  23  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog20 hydrog ? ? A G  10 N1 ? ? ? 1_555 B C  2  N3 ? ? A G  10  B C  22  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog21 hydrog ? ? A G  10 N2 ? ? ? 1_555 B C  2  O2 ? ? A G  10  B C  22  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog22 hydrog ? ? A G  10 O6 ? ? ? 1_555 B C  2  N4 ? ? A G  10  B C  22  1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog23 hydrog ? ? A U  11 N3 ? ? ? 1_555 B G  1  O6 ? ? A U  11  B G  21  1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog24 hydrog ? ? A U  11 O2 ? ? ? 1_555 B G  1  N1 ? ? A U  11  B G  21  1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog25 hydrog ? ? C G  1  N1 ? ? ? 1_555 D U  11 O2 ? ? C G  101 D U  131 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog26 hydrog ? ? C G  1  O6 ? ? ? 1_555 D U  11 N3 ? ? C G  101 D U  131 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog27 hydrog ? ? C C  2  N3 ? ? ? 1_555 D G  10 N1 ? ? C C  102 D G  130 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog28 hydrog ? ? C C  2  N4 ? ? ? 1_555 D G  10 O6 ? ? C C  102 D G  130 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog29 hydrog ? ? C C  2  O2 ? ? ? 1_555 D G  10 N2 ? ? C C  102 D G  130 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog30 hydrog ? ? C G  3  N1 ? ? ? 1_555 D C  9  N3 ? ? C G  103 D C  129 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog31 hydrog ? ? C G  3  N2 ? ? ? 1_555 D C  9  O2 ? ? C G  103 D C  129 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog32 hydrog ? ? C G  3  O6 ? ? ? 1_555 D C  9  N4 ? ? C G  103 D C  129 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog33 hydrog ? ? C DA 4  N1 ? ? ? 1_555 D DT 7  N3 ? ? C DA 104 D DT 127 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog34 hydrog ? ? C DA 4  N6 ? ? ? 1_555 D DT 7  O4 ? ? C DA 104 D DT 127 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog35 hydrog ? ? C DT 5  N3 ? ? ? 1_555 D DA 6  N1 ? ? C DT 105 D DA 126 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog36 hydrog ? ? C DT 5  O4 ? ? ? 1_555 D DA 6  N6 ? ? C DT 105 D DA 126 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog37 hydrog ? ? C DA 6  N1 ? ? ? 1_555 D DT 5  N3 ? ? C DA 106 D DT 125 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog38 hydrog ? ? C DA 6  N6 ? ? ? 1_555 D DT 5  O4 ? ? C DA 106 D DT 125 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog39 hydrog ? ? C DT 7  N3 ? ? ? 1_555 D DA 4  N1 ? ? C DT 107 D DA 124 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog40 hydrog ? ? C DT 7  O4 ? ? ? 1_555 D DA 4  N6 ? ? C DT 107 D DA 124 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog41 hydrog ? ? C C  9  N3 ? ? ? 1_555 D G  3  N1 ? ? C C  109 D G  123 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog42 hydrog ? ? C C  9  N4 ? ? ? 1_555 D G  3  O6 ? ? C C  109 D G  123 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog43 hydrog ? ? C C  9  O2 ? ? ? 1_555 D G  3  N2 ? ? C C  109 D G  123 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog44 hydrog ? ? C G  10 N1 ? ? ? 1_555 D C  2  N3 ? ? C G  110 D C  122 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog45 hydrog ? ? C G  10 N2 ? ? ? 1_555 D C  2  O2 ? ? C G  110 D C  122 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog46 hydrog ? ? C G  10 O6 ? ? ? 1_555 D C  2  N4 ? ? C G  110 D C  122 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog47 hydrog ? ? C U  11 N3 ? ? ? 1_555 D G  1  O6 ? ? C U  111 D G  121 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog48 hydrog ? ? C U  11 O2 ? ? ? 1_555 D G  1  N1 ? ? C U  111 D G  121 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog49 hydrog ? ? E G  1  N1 ? ? ? 1_555 F U  11 O2 ? ? E G  201 F U  231 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog50 hydrog ? ? E G  1  O6 ? ? ? 1_555 F U  11 N3 ? ? E G  201 F U  231 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog51 hydrog ? ? E C  2  N3 ? ? ? 1_555 F G  10 N1 ? ? E C  202 F G  230 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog52 hydrog ? ? E C  2  N4 ? ? ? 1_555 F G  10 O6 ? ? E C  202 F G  230 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog53 hydrog ? ? E C  2  O2 ? ? ? 1_555 F G  10 N2 ? ? E C  202 F G  230 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog54 hydrog ? ? E G  3  N1 ? ? ? 1_555 F C  9  N3 ? ? E G  203 F C  229 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog55 hydrog ? ? E G  3  N2 ? ? ? 1_555 F C  9  O2 ? ? E G  203 F C  229 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog56 hydrog ? ? E G  3  O6 ? ? ? 1_555 F C  9  N4 ? ? E G  203 F C  229 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog57 hydrog ? ? E DA 4  N1 ? ? ? 1_555 F DT 7  N3 ? ? E DA 204 F DT 227 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog58 hydrog ? ? E DA 4  N6 ? ? ? 1_555 F DT 7  O4 ? ? E DA 204 F DT 227 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog59 hydrog ? ? E DT 5  N3 ? ? ? 1_555 F DA 6  N1 ? ? E DT 205 F DA 226 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog60 hydrog ? ? E DT 5  O4 ? ? ? 1_555 F DA 6  N6 ? ? E DT 205 F DA 226 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog61 hydrog ? ? E DA 6  N1 ? ? ? 1_555 F DT 5  N3 ? ? E DA 206 F DT 225 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog62 hydrog ? ? E DA 6  N6 ? ? ? 1_555 F DT 5  O4 ? ? E DA 206 F DT 225 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog63 hydrog ? ? E DT 7  N3 ? ? ? 1_555 F DA 4  N1 ? ? E DT 207 F DA 224 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog64 hydrog ? ? E DT 7  O4 ? ? ? 1_555 F DA 4  N6 ? ? E DT 207 F DA 224 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog65 hydrog ? ? E C  9  N3 ? ? ? 1_555 F G  3  N1 ? ? E C  209 F G  223 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog66 hydrog ? ? E C  9  N4 ? ? ? 1_555 F G  3  O6 ? ? E C  209 F G  223 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog67 hydrog ? ? E C  9  O2 ? ? ? 1_555 F G  3  N2 ? ? E C  209 F G  223 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog68 hydrog ? ? E G  10 N1 ? ? ? 1_555 F C  2  N3 ? ? E G  210 F C  222 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog69 hydrog ? ? E G  10 N2 ? ? ? 1_555 F C  2  O2 ? ? E G  210 F C  222 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog70 hydrog ? ? E G  10 O6 ? ? ? 1_555 F C  2  N4 ? ? E G  210 F C  222 1_555 ? ? ? ? ? ? WATSON-CRICK ? ? ? 
hydrog71 hydrog ? ? E U  11 N3 ? ? ? 1_555 F G  1  O6 ? ? E U  211 F G  221 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
hydrog72 hydrog ? ? E U  11 O2 ? ? ? 1_555 F G  1  N1 ? ? E U  211 F G  221 1_555 ? ? ? ? ? ? TYPE_28_PAIR ? ? ? 
# 
_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    D 
_struct_site.pdbx_auth_comp_id    SPM 
_struct_site.pdbx_auth_seq_id     300 
_struct_site.pdbx_auth_ins_code   ? 
_struct_site.pdbx_num_residues    11 
_struct_site.details              'BINDING SITE FOR RESIDUE SPM D 300' 
# 
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 11 G   A 1  ? G   A 1   . ? 1_555 ? 
2  AC1 11 C   A 2  ? C   A 2   . ? 1_555 ? 
3  AC1 11 G   B 10 ? G   B 30  . ? 1_555 ? 
4  AC1 11 U   B 11 ? U   B 31  . ? 1_555 ? 
5  AC1 11 U   B 11 ? U   B 31  . ? 3_655 ? 
6  AC1 11 HOH I .  ? HOH B 399 . ? 1_555 ? 
7  AC1 11 G   C 1  ? G   C 101 . ? 1_555 ? 
8  AC1 11 HOH J .  ? HOH C 310 . ? 3_655 ? 
9  AC1 11 C   D 9  ? C   D 129 . ? 1_555 ? 
10 AC1 11 G   D 10 ? G   D 130 . ? 1_555 ? 
11 AC1 11 U   D 11 ? U   D 131 . ? 1_555 ? 
# 
_pdbx_validate_rmsd_angle.id                         1 
_pdbx_validate_rmsd_angle.PDB_model_num              1 
_pdbx_validate_rmsd_angle.auth_atom_id_1             N9 
_pdbx_validate_rmsd_angle.auth_asym_id_1             F 
_pdbx_validate_rmsd_angle.auth_comp_id_1             A 
_pdbx_validate_rmsd_angle.auth_seq_id_1              228 
_pdbx_validate_rmsd_angle.PDB_ins_code_1             ? 
_pdbx_validate_rmsd_angle.label_alt_id_1             ? 
_pdbx_validate_rmsd_angle.auth_atom_id_2             "C1'" 
_pdbx_validate_rmsd_angle.auth_asym_id_2             F 
_pdbx_validate_rmsd_angle.auth_comp_id_2             A 
_pdbx_validate_rmsd_angle.auth_seq_id_2              228 
_pdbx_validate_rmsd_angle.PDB_ins_code_2             ? 
_pdbx_validate_rmsd_angle.label_alt_id_2             ? 
_pdbx_validate_rmsd_angle.auth_atom_id_3             "C2'" 
_pdbx_validate_rmsd_angle.auth_asym_id_3             F 
_pdbx_validate_rmsd_angle.auth_comp_id_3             A 
_pdbx_validate_rmsd_angle.auth_seq_id_3              228 
_pdbx_validate_rmsd_angle.PDB_ins_code_3             ? 
_pdbx_validate_rmsd_angle.label_alt_id_3             ? 
_pdbx_validate_rmsd_angle.angle_value                123.06 
_pdbx_validate_rmsd_angle.angle_target_value         114.00 
_pdbx_validate_rmsd_angle.angle_deviation            9.06 
_pdbx_validate_rmsd_angle.angle_standard_deviation   1.30 
_pdbx_validate_rmsd_angle.linker_flag                N 
# 
loop_
_pdbx_validate_planes.id 
_pdbx_validate_planes.PDB_model_num 
_pdbx_validate_planes.auth_comp_id 
_pdbx_validate_planes.auth_asym_id 
_pdbx_validate_planes.auth_seq_id 
_pdbx_validate_planes.PDB_ins_code 
_pdbx_validate_planes.label_alt_id 
_pdbx_validate_planes.rmsd 
_pdbx_validate_planes.type 
1 1 DA A 4   ? ? 0.060 'SIDE CHAIN' 
2 1 G  B 30  ? ? 0.054 'SIDE CHAIN' 
3 1 G  D 130 ? ? 0.055 'SIDE CHAIN' 
4 1 G  F 230 ? ? 0.065 'SIDE CHAIN' 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.pdbx_ordinal 
A   OP3    O N N 1   
A   P      P N N 2   
A   OP1    O N N 3   
A   OP2    O N N 4   
A   "O5'"  O N N 5   
A   "C5'"  C N N 6   
A   "C4'"  C N R 7   
A   "O4'"  O N N 8   
A   "C3'"  C N S 9   
A   "O3'"  O N N 10  
A   "C2'"  C N R 11  
A   "O2'"  O N N 12  
A   "C1'"  C N R 13  
A   N9     N Y N 14  
A   C8     C Y N 15  
A   N7     N Y N 16  
A   C5     C Y N 17  
A   C6     C Y N 18  
A   N6     N N N 19  
A   N1     N Y N 20  
A   C2     C Y N 21  
A   N3     N Y N 22  
A   C4     C Y N 23  
A   HOP3   H N N 24  
A   HOP2   H N N 25  
A   "H5'"  H N N 26  
A   "H5''" H N N 27  
A   "H4'"  H N N 28  
A   "H3'"  H N N 29  
A   "HO3'" H N N 30  
A   "H2'"  H N N 31  
A   "HO2'" H N N 32  
A   "H1'"  H N N 33  
A   H8     H N N 34  
A   H61    H N N 35  
A   H62    H N N 36  
A   H2     H N N 37  
C   OP3    O N N 38  
C   P      P N N 39  
C   OP1    O N N 40  
C   OP2    O N N 41  
C   "O5'"  O N N 42  
C   "C5'"  C N N 43  
C   "C4'"  C N R 44  
C   "O4'"  O N N 45  
C   "C3'"  C N S 46  
C   "O3'"  O N N 47  
C   "C2'"  C N R 48  
C   "O2'"  O N N 49  
C   "C1'"  C N R 50  
C   N1     N N N 51  
C   C2     C N N 52  
C   O2     O N N 53  
C   N3     N N N 54  
C   C4     C N N 55  
C   N4     N N N 56  
C   C5     C N N 57  
C   C6     C N N 58  
C   HOP3   H N N 59  
C   HOP2   H N N 60  
C   "H5'"  H N N 61  
C   "H5''" H N N 62  
C   "H4'"  H N N 63  
C   "H3'"  H N N 64  
C   "HO3'" H N N 65  
C   "H2'"  H N N 66  
C   "HO2'" H N N 67  
C   "H1'"  H N N 68  
C   H41    H N N 69  
C   H42    H N N 70  
C   H5     H N N 71  
C   H6     H N N 72  
DA  OP3    O N N 73  
DA  P      P N N 74  
DA  OP1    O N N 75  
DA  OP2    O N N 76  
DA  "O5'"  O N N 77  
DA  "C5'"  C N N 78  
DA  "C4'"  C N R 79  
DA  "O4'"  O N N 80  
DA  "C3'"  C N S 81  
DA  "O3'"  O N N 82  
DA  "C2'"  C N N 83  
DA  "C1'"  C N R 84  
DA  N9     N Y N 85  
DA  C8     C Y N 86  
DA  N7     N Y N 87  
DA  C5     C Y N 88  
DA  C6     C Y N 89  
DA  N6     N N N 90  
DA  N1     N Y N 91  
DA  C2     C Y N 92  
DA  N3     N Y N 93  
DA  C4     C Y N 94  
DA  HOP3   H N N 95  
DA  HOP2   H N N 96  
DA  "H5'"  H N N 97  
DA  "H5''" H N N 98  
DA  "H4'"  H N N 99  
DA  "H3'"  H N N 100 
DA  "HO3'" H N N 101 
DA  "H2'"  H N N 102 
DA  "H2''" H N N 103 
DA  "H1'"  H N N 104 
DA  H8     H N N 105 
DA  H61    H N N 106 
DA  H62    H N N 107 
DA  H2     H N N 108 
DT  OP3    O N N 109 
DT  P      P N N 110 
DT  OP1    O N N 111 
DT  OP2    O N N 112 
DT  "O5'"  O N N 113 
DT  "C5'"  C N N 114 
DT  "C4'"  C N R 115 
DT  "O4'"  O N N 116 
DT  "C3'"  C N S 117 
DT  "O3'"  O N N 118 
DT  "C2'"  C N N 119 
DT  "C1'"  C N R 120 
DT  N1     N N N 121 
DT  C2     C N N 122 
DT  O2     O N N 123 
DT  N3     N N N 124 
DT  C4     C N N 125 
DT  O4     O N N 126 
DT  C5     C N N 127 
DT  C7     C N N 128 
DT  C6     C N N 129 
DT  HOP3   H N N 130 
DT  HOP2   H N N 131 
DT  "H5'"  H N N 132 
DT  "H5''" H N N 133 
DT  "H4'"  H N N 134 
DT  "H3'"  H N N 135 
DT  "HO3'" H N N 136 
DT  "H2'"  H N N 137 
DT  "H2''" H N N 138 
DT  "H1'"  H N N 139 
DT  H3     H N N 140 
DT  H71    H N N 141 
DT  H72    H N N 142 
DT  H73    H N N 143 
DT  H6     H N N 144 
G   OP3    O N N 145 
G   P      P N N 146 
G   OP1    O N N 147 
G   OP2    O N N 148 
G   "O5'"  O N N 149 
G   "C5'"  C N N 150 
G   "C4'"  C N R 151 
G   "O4'"  O N N 152 
G   "C3'"  C N S 153 
G   "O3'"  O N N 154 
G   "C2'"  C N R 155 
G   "O2'"  O N N 156 
G   "C1'"  C N R 157 
G   N9     N Y N 158 
G   C8     C Y N 159 
G   N7     N Y N 160 
G   C5     C Y N 161 
G   C6     C N N 162 
G   O6     O N N 163 
G   N1     N N N 164 
G   C2     C N N 165 
G   N2     N N N 166 
G   N3     N N N 167 
G   C4     C Y N 168 
G   HOP3   H N N 169 
G   HOP2   H N N 170 
G   "H5'"  H N N 171 
G   "H5''" H N N 172 
G   "H4'"  H N N 173 
G   "H3'"  H N N 174 
G   "HO3'" H N N 175 
G   "H2'"  H N N 176 
G   "HO2'" H N N 177 
G   "H1'"  H N N 178 
G   H8     H N N 179 
G   H1     H N N 180 
G   H21    H N N 181 
G   H22    H N N 182 
HOH O      O N N 183 
HOH H1     H N N 184 
HOH H2     H N N 185 
SPM N1     N N N 186 
SPM C2     C N N 187 
SPM C3     C N N 188 
SPM C4     C N N 189 
SPM N5     N N N 190 
SPM C6     C N N 191 
SPM C7     C N N 192 
SPM C8     C N N 193 
SPM C9     C N N 194 
SPM N10    N N N 195 
SPM C11    C N N 196 
SPM C12    C N N 197 
SPM C13    C N N 198 
SPM N14    N N N 199 
SPM HN11   H N N 200 
SPM HN12   H N N 201 
SPM H21    H N N 202 
SPM H22    H N N 203 
SPM H31    H N N 204 
SPM H32    H N N 205 
SPM H41    H N N 206 
SPM H42    H N N 207 
SPM HN5    H N N 208 
SPM H61    H N N 209 
SPM H62    H N N 210 
SPM H71    H N N 211 
SPM H72    H N N 212 
SPM H81    H N N 213 
SPM H82    H N N 214 
SPM H91    H N N 215 
SPM H92    H N N 216 
SPM HN0    H N N 217 
SPM H111   H N N 218 
SPM H112   H N N 219 
SPM H121   H N N 220 
SPM H122   H N N 221 
SPM H131   H N N 222 
SPM H132   H N N 223 
SPM HN41   H N N 224 
SPM HN42   H N N 225 
U   OP3    O N N 226 
U   P      P N N 227 
U   OP1    O N N 228 
U   OP2    O N N 229 
U   "O5'"  O N N 230 
U   "C5'"  C N N 231 
U   "C4'"  C N R 232 
U   "O4'"  O N N 233 
U   "C3'"  C N S 234 
U   "O3'"  O N N 235 
U   "C2'"  C N R 236 
U   "O2'"  O N N 237 
U   "C1'"  C N R 238 
U   N1     N N N 239 
U   C2     C N N 240 
U   O2     O N N 241 
U   N3     N N N 242 
U   C4     C N N 243 
U   O4     O N N 244 
U   C5     C N N 245 
U   C6     C N N 246 
U   HOP3   H N N 247 
U   HOP2   H N N 248 
U   "H5'"  H N N 249 
U   "H5''" H N N 250 
U   "H4'"  H N N 251 
U   "H3'"  H N N 252 
U   "HO3'" H N N 253 
U   "H2'"  H N N 254 
U   "HO2'" H N N 255 
U   "H1'"  H N N 256 
U   H3     H N N 257 
U   H5     H N N 258 
U   H6     H N N 259 
# 
loop_
_chem_comp_bond.comp_id 
_chem_comp_bond.atom_id_1 
_chem_comp_bond.atom_id_2 
_chem_comp_bond.value_order 
_chem_comp_bond.pdbx_aromatic_flag 
_chem_comp_bond.pdbx_stereo_config 
_chem_comp_bond.pdbx_ordinal 
A   OP3   P      sing N N 1   
A   OP3   HOP3   sing N N 2   
A   P     OP1    doub N N 3   
A   P     OP2    sing N N 4   
A   P     "O5'"  sing N N 5   
A   OP2   HOP2   sing N N 6   
A   "O5'" "C5'"  sing N N 7   
A   "C5'" "C4'"  sing N N 8   
A   "C5'" "H5'"  sing N N 9   
A   "C5'" "H5''" sing N N 10  
A   "C4'" "O4'"  sing N N 11  
A   "C4'" "C3'"  sing N N 12  
A   "C4'" "H4'"  sing N N 13  
A   "O4'" "C1'"  sing N N 14  
A   "C3'" "O3'"  sing N N 15  
A   "C3'" "C2'"  sing N N 16  
A   "C3'" "H3'"  sing N N 17  
A   "O3'" "HO3'" sing N N 18  
A   "C2'" "O2'"  sing N N 19  
A   "C2'" "C1'"  sing N N 20  
A   "C2'" "H2'"  sing N N 21  
A   "O2'" "HO2'" sing N N 22  
A   "C1'" N9     sing N N 23  
A   "C1'" "H1'"  sing N N 24  
A   N9    C8     sing Y N 25  
A   N9    C4     sing Y N 26  
A   C8    N7     doub Y N 27  
A   C8    H8     sing N N 28  
A   N7    C5     sing Y N 29  
A   C5    C6     sing Y N 30  
A   C5    C4     doub Y N 31  
A   C6    N6     sing N N 32  
A   C6    N1     doub Y N 33  
A   N6    H61    sing N N 34  
A   N6    H62    sing N N 35  
A   N1    C2     sing Y N 36  
A   C2    N3     doub Y N 37  
A   C2    H2     sing N N 38  
A   N3    C4     sing Y N 39  
C   OP3   P      sing N N 40  
C   OP3   HOP3   sing N N 41  
C   P     OP1    doub N N 42  
C   P     OP2    sing N N 43  
C   P     "O5'"  sing N N 44  
C   OP2   HOP2   sing N N 45  
C   "O5'" "C5'"  sing N N 46  
C   "C5'" "C4'"  sing N N 47  
C   "C5'" "H5'"  sing N N 48  
C   "C5'" "H5''" sing N N 49  
C   "C4'" "O4'"  sing N N 50  
C   "C4'" "C3'"  sing N N 51  
C   "C4'" "H4'"  sing N N 52  
C   "O4'" "C1'"  sing N N 53  
C   "C3'" "O3'"  sing N N 54  
C   "C3'" "C2'"  sing N N 55  
C   "C3'" "H3'"  sing N N 56  
C   "O3'" "HO3'" sing N N 57  
C   "C2'" "O2'"  sing N N 58  
C   "C2'" "C1'"  sing N N 59  
C   "C2'" "H2'"  sing N N 60  
C   "O2'" "HO2'" sing N N 61  
C   "C1'" N1     sing N N 62  
C   "C1'" "H1'"  sing N N 63  
C   N1    C2     sing N N 64  
C   N1    C6     sing N N 65  
C   C2    O2     doub N N 66  
C   C2    N3     sing N N 67  
C   N3    C4     doub N N 68  
C   C4    N4     sing N N 69  
C   C4    C5     sing N N 70  
C   N4    H41    sing N N 71  
C   N4    H42    sing N N 72  
C   C5    C6     doub N N 73  
C   C5    H5     sing N N 74  
C   C6    H6     sing N N 75  
DA  OP3   P      sing N N 76  
DA  OP3   HOP3   sing N N 77  
DA  P     OP1    doub N N 78  
DA  P     OP2    sing N N 79  
DA  P     "O5'"  sing N N 80  
DA  OP2   HOP2   sing N N 81  
DA  "O5'" "C5'"  sing N N 82  
DA  "C5'" "C4'"  sing N N 83  
DA  "C5'" "H5'"  sing N N 84  
DA  "C5'" "H5''" sing N N 85  
DA  "C4'" "O4'"  sing N N 86  
DA  "C4'" "C3'"  sing N N 87  
DA  "C4'" "H4'"  sing N N 88  
DA  "O4'" "C1'"  sing N N 89  
DA  "C3'" "O3'"  sing N N 90  
DA  "C3'" "C2'"  sing N N 91  
DA  "C3'" "H3'"  sing N N 92  
DA  "O3'" "HO3'" sing N N 93  
DA  "C2'" "C1'"  sing N N 94  
DA  "C2'" "H2'"  sing N N 95  
DA  "C2'" "H2''" sing N N 96  
DA  "C1'" N9     sing N N 97  
DA  "C1'" "H1'"  sing N N 98  
DA  N9    C8     sing Y N 99  
DA  N9    C4     sing Y N 100 
DA  C8    N7     doub Y N 101 
DA  C8    H8     sing N N 102 
DA  N7    C5     sing Y N 103 
DA  C5    C6     sing Y N 104 
DA  C5    C4     doub Y N 105 
DA  C6    N6     sing N N 106 
DA  C6    N1     doub Y N 107 
DA  N6    H61    sing N N 108 
DA  N6    H62    sing N N 109 
DA  N1    C2     sing Y N 110 
DA  C2    N3     doub Y N 111 
DA  C2    H2     sing N N 112 
DA  N3    C4     sing Y N 113 
DT  OP3   P      sing N N 114 
DT  OP3   HOP3   sing N N 115 
DT  P     OP1    doub N N 116 
DT  P     OP2    sing N N 117 
DT  P     "O5'"  sing N N 118 
DT  OP2   HOP2   sing N N 119 
DT  "O5'" "C5'"  sing N N 120 
DT  "C5'" "C4'"  sing N N 121 
DT  "C5'" "H5'"  sing N N 122 
DT  "C5'" "H5''" sing N N 123 
DT  "C4'" "O4'"  sing N N 124 
DT  "C4'" "C3'"  sing N N 125 
DT  "C4'" "H4'"  sing N N 126 
DT  "O4'" "C1'"  sing N N 127 
DT  "C3'" "O3'"  sing N N 128 
DT  "C3'" "C2'"  sing N N 129 
DT  "C3'" "H3'"  sing N N 130 
DT  "O3'" "HO3'" sing N N 131 
DT  "C2'" "C1'"  sing N N 132 
DT  "C2'" "H2'"  sing N N 133 
DT  "C2'" "H2''" sing N N 134 
DT  "C1'" N1     sing N N 135 
DT  "C1'" "H1'"  sing N N 136 
DT  N1    C2     sing N N 137 
DT  N1    C6     sing N N 138 
DT  C2    O2     doub N N 139 
DT  C2    N3     sing N N 140 
DT  N3    C4     sing N N 141 
DT  N3    H3     sing N N 142 
DT  C4    O4     doub N N 143 
DT  C4    C5     sing N N 144 
DT  C5    C7     sing N N 145 
DT  C5    C6     doub N N 146 
DT  C7    H71    sing N N 147 
DT  C7    H72    sing N N 148 
DT  C7    H73    sing N N 149 
DT  C6    H6     sing N N 150 
G   OP3   P      sing N N 151 
G   OP3   HOP3   sing N N 152 
G   P     OP1    doub N N 153 
G   P     OP2    sing N N 154 
G   P     "O5'"  sing N N 155 
G   OP2   HOP2   sing N N 156 
G   "O5'" "C5'"  sing N N 157 
G   "C5'" "C4'"  sing N N 158 
G   "C5'" "H5'"  sing N N 159 
G   "C5'" "H5''" sing N N 160 
G   "C4'" "O4'"  sing N N 161 
G   "C4'" "C3'"  sing N N 162 
G   "C4'" "H4'"  sing N N 163 
G   "O4'" "C1'"  sing N N 164 
G   "C3'" "O3'"  sing N N 165 
G   "C3'" "C2'"  sing N N 166 
G   "C3'" "H3'"  sing N N 167 
G   "O3'" "HO3'" sing N N 168 
G   "C2'" "O2'"  sing N N 169 
G   "C2'" "C1'"  sing N N 170 
G   "C2'" "H2'"  sing N N 171 
G   "O2'" "HO2'" sing N N 172 
G   "C1'" N9     sing N N 173 
G   "C1'" "H1'"  sing N N 174 
G   N9    C8     sing Y N 175 
G   N9    C4     sing Y N 176 
G   C8    N7     doub Y N 177 
G   C8    H8     sing N N 178 
G   N7    C5     sing Y N 179 
G   C5    C6     sing N N 180 
G   C5    C4     doub Y N 181 
G   C6    O6     doub N N 182 
G   C6    N1     sing N N 183 
G   N1    C2     sing N N 184 
G   N1    H1     sing N N 185 
G   C2    N2     sing N N 186 
G   C2    N3     doub N N 187 
G   N2    H21    sing N N 188 
G   N2    H22    sing N N 189 
G   N3    C4     sing N N 190 
HOH O     H1     sing N N 191 
HOH O     H2     sing N N 192 
SPM N1    C2     sing N N 193 
SPM N1    HN11   sing N N 194 
SPM N1    HN12   sing N N 195 
SPM C2    C3     sing N N 196 
SPM C2    H21    sing N N 197 
SPM C2    H22    sing N N 198 
SPM C3    C4     sing N N 199 
SPM C3    H31    sing N N 200 
SPM C3    H32    sing N N 201 
SPM C4    N5     sing N N 202 
SPM C4    H41    sing N N 203 
SPM C4    H42    sing N N 204 
SPM N5    C6     sing N N 205 
SPM N5    HN5    sing N N 206 
SPM C6    C7     sing N N 207 
SPM C6    H61    sing N N 208 
SPM C6    H62    sing N N 209 
SPM C7    C8     sing N N 210 
SPM C7    H71    sing N N 211 
SPM C7    H72    sing N N 212 
SPM C8    C9     sing N N 213 
SPM C8    H81    sing N N 214 
SPM C8    H82    sing N N 215 
SPM C9    N10    sing N N 216 
SPM C9    H91    sing N N 217 
SPM C9    H92    sing N N 218 
SPM N10   C11    sing N N 219 
SPM N10   HN0    sing N N 220 
SPM C11   C12    sing N N 221 
SPM C11   H111   sing N N 222 
SPM C11   H112   sing N N 223 
SPM C12   C13    sing N N 224 
SPM C12   H121   sing N N 225 
SPM C12   H122   sing N N 226 
SPM C13   N14    sing N N 227 
SPM C13   H131   sing N N 228 
SPM C13   H132   sing N N 229 
SPM N14   HN41   sing N N 230 
SPM N14   HN42   sing N N 231 
U   OP3   P      sing N N 232 
U   OP3   HOP3   sing N N 233 
U   P     OP1    doub N N 234 
U   P     OP2    sing N N 235 
U   P     "O5'"  sing N N 236 
U   OP2   HOP2   sing N N 237 
U   "O5'" "C5'"  sing N N 238 
U   "C5'" "C4'"  sing N N 239 
U   "C5'" "H5'"  sing N N 240 
U   "C5'" "H5''" sing N N 241 
U   "C4'" "O4'"  sing N N 242 
U   "C4'" "C3'"  sing N N 243 
U   "C4'" "H4'"  sing N N 244 
U   "O4'" "C1'"  sing N N 245 
U   "C3'" "O3'"  sing N N 246 
U   "C3'" "C2'"  sing N N 247 
U   "C3'" "H3'"  sing N N 248 
U   "O3'" "HO3'" sing N N 249 
U   "C2'" "O2'"  sing N N 250 
U   "C2'" "C1'"  sing N N 251 
U   "C2'" "H2'"  sing N N 252 
U   "O2'" "HO2'" sing N N 253 
U   "C1'" N1     sing N N 254 
U   "C1'" "H1'"  sing N N 255 
U   N1    C2     sing N N 256 
U   N1    C6     sing N N 257 
U   C2    O2     doub N N 258 
U   C2    N3     sing N N 259 
U   N3    C4     sing N N 260 
U   N3    H3     sing N N 261 
U   C4    O4     doub N N 262 
U   C4    C5     sing N N 263 
U   C5    C6     doub N N 264 
U   C5    H5     sing N N 265 
U   C6    H6     sing N N 266 
# 
loop_
_ndb_struct_conf_na.entry_id 
_ndb_struct_conf_na.feature 
1I2Y 'double helix'         
1I2Y 'a-form double helix'  
1I2Y 'bulge loop'           
1I2Y 'mismatched base pair' 
# 
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 D G  1  1_555 C U  11 1_555 -2.333 -0.640 0.210  3.947   -9.161  -4.267 1  D_G121:U111_C   D 121 ? C 111 ? 28 ? 
1 D C  2  1_555 C G  10 1_555 0.060  -0.158 -0.039 9.718   -19.740 0.818  2  D_C122:G110_C   D 122 ? C 110 ? 19 1 
1 D G  3  1_555 C C  9  1_555 -0.128 -0.199 -0.057 -10.405 -19.384 -1.412 3  D_G123:C109_C   D 123 ? C 109 ? 19 1 
1 D DA 4  1_555 C DT 7  1_555 -0.099 -0.093 -0.021 -12.983 -10.059 2.125  4  D_DA124:DT107_C D 124 ? C 107 ? 20 1 
1 D DT 5  1_555 C DA 6  1_555 0.119  -0.152 0.033  -1.970  -1.983  1.947  5  D_DT125:DA106_C D 125 ? C 106 ? 20 1 
1 D DA 6  1_555 C DT 5  1_555 0.153  -0.115 -0.063 1.102   -1.981  0.341  6  D_DA126:DT105_C D 126 ? C 105 ? 20 1 
1 D DT 7  1_555 C DA 4  1_555 -0.067 -0.065 -0.051 13.631  -7.428  2.729  7  D_DT127:DA104_C D 127 ? C 104 ? 20 1 
1 D C  9  1_555 C G  3  1_555 0.185  -0.068 -0.525 12.407  -13.333 2.922  8  D_C129:G103_C   D 129 ? C 103 ? 19 1 
1 D G  10 1_555 C C  2  1_555 -0.297 -0.133 -0.069 -7.533  -11.333 0.672  9  D_G130:C102_C   D 130 ? C 102 ? 19 1 
1 D U  11 1_555 C G  1  1_555 2.363  -0.649 -0.012 -0.281  -11.473 -4.642 10 D_U131:G101_C   D 131 ? C 101 ? 28 ? 
1 A G  1  1_555 B U  11 1_555 -2.429 -0.630 0.046  0.170   -11.718 -0.794 11 A_G1:U31_B      A 1   ? B 31  ? 28 ? 
1 A C  2  1_555 B G  10 1_555 0.178  -0.128 0.141  2.837   -14.158 0.381  12 A_C2:G30_B      A 2   ? B 30  ? 19 1 
1 A G  3  1_555 B C  9  1_555 -0.130 -0.134 -0.035 -9.414  -13.609 -1.042 13 A_G3:C29_B      A 3   ? B 29  ? 19 1 
1 A DA 4  1_555 B DT 7  1_555 0.039  -0.130 0.116  -7.563  -8.689  6.875  14 A_DA4:DT27_B    A 4   ? B 27  ? 20 1 
1 A DT 5  1_555 B DA 6  1_555 -0.105 -0.168 -0.038 0.216   -2.801  0.203  15 A_DT5:DA26_B    A 5   ? B 26  ? 20 1 
1 A DA 6  1_555 B DT 5  1_555 -0.039 -0.100 -0.035 2.316   -4.914  -0.246 16 A_DA6:DT25_B    A 6   ? B 25  ? 20 1 
1 A DT 7  1_555 B DA 4  1_555 -0.036 -0.107 0.007  13.141  -15.090 4.964  17 A_DT7:DA24_B    A 7   ? B 24  ? 20 1 
1 A C  9  1_555 B G  3  1_555 0.162  -0.087 -0.187 5.449   -10.586 3.257  18 A_C9:G23_B      A 9   ? B 23  ? 19 1 
1 A G  10 1_555 B C  2  1_555 -0.315 -0.234 -0.023 -3.959  -18.408 2.302  19 A_G10:C22_B     A 10  ? B 22  ? 19 1 
1 A U  11 1_555 B G  1  1_555 2.431  -0.717 0.123  -2.735  -15.128 -1.685 20 A_U11:G21_B     A 11  ? B 21  ? 28 ? 
1 E G  1  1_555 F U  11 1_555 -2.226 -0.609 0.161  0.267   -13.239 -3.557 21 E_G201:U231_F   E 201 ? F 231 ? 28 ? 
1 E C  2  1_555 F G  10 1_555 0.161  -0.161 -0.024 7.566   -15.222 0.999  22 E_C202:G230_F   E 202 ? F 230 ? 19 1 
1 E G  3  1_555 F C  9  1_555 -0.289 -0.119 0.077  -6.771  -16.090 -0.098 23 E_G203:C229_F   E 203 ? F 229 ? 19 1 
1 E DA 4  1_555 F DT 7  1_555 0.273  -0.247 0.047  -10.658 -7.755  0.497  24 E_DA204:DT227_F E 204 ? F 227 ? 20 1 
1 E DT 5  1_555 F DA 6  1_555 0.008  -0.156 -0.006 -2.473  -7.295  1.801  25 E_DT205:DA226_F E 205 ? F 226 ? 20 1 
1 E DA 6  1_555 F DT 5  1_555 0.157  -0.288 -0.185 3.214   -2.577  3.382  26 E_DA206:DT225_F E 206 ? F 225 ? 20 1 
1 E DT 7  1_555 F DA 4  1_555 -0.097 0.035  0.033  15.844  -9.283  5.124  27 E_DT207:DA224_F E 207 ? F 224 ? 20 1 
1 E C  9  1_555 F G  3  1_555 0.127  0.024  0.102  10.180  -21.255 0.590  28 E_C209:G223_F   E 209 ? F 223 ? 19 1 
1 E G  10 1_555 F C  2  1_555 -0.171 -0.026 0.089  -0.190  -17.358 3.926  29 E_G210:C222_F   E 210 ? F 222 ? 19 1 
1 E U  11 1_555 F G  1  1_555 2.281  -0.583 0.072  2.542   -14.378 -0.825 30 E_U211:G221_F   E 211 ? F 221 ? 28 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 D G  1  1_555 C U  11 1_555 D C  2  1_555 C G  10 1_555 -0.014 -1.152 3.125 -1.179 4.727  40.719  -2.127 -0.101 2.978 6.763   
1.687  40.997  1  DD_G121C122:G110U111_CC     D 121 ? C 111 ? D 122 ? C 110 ? 
1 D C  2  1_555 C G  10 1_555 D G  3  1_555 C C  9  1_555 0.002  -1.751 3.507 -0.645 17.678 35.753  -4.542 -0.075 2.413 26.863  
0.981  39.762  2  DD_C122G123:C109G110_CC     D 122 ? C 110 ? D 123 ? C 109 ? 
1 D G  3  1_555 C C  9  1_555 D DA 4  1_555 C DT 7  1_555 -0.963 -1.774 3.217 -1.759 8.302  23.068  -6.480 1.775  2.501 19.916  
4.220  24.560  3  DD_G123DA124:DT107C109_CC   D 123 ? C 109 ? D 124 ? C 107 ? 
1 D DA 4  1_555 C DT 7  1_555 D DT 5  1_555 C DA 6  1_555 -0.295 -0.675 3.107 0.756  7.788  31.806  -2.441 0.644  2.858 13.948  
-1.354 32.730  4  DD_DA124DT125:DA106DT107_CC D 124 ? C 107 ? D 125 ? C 106 ? 
1 D DT 5  1_555 C DA 6  1_555 D DA 6  1_555 C DT 5  1_555 -0.097 -0.879 3.201 0.203  6.853  34.448  -2.435 0.190  2.976 11.431  
-0.339 35.103  5  DD_DT125DA126:DT105DA106_CC D 125 ? C 106 ? D 126 ? C 105 ? 
1 D DA 6  1_555 C DT 5  1_555 D DT 7  1_555 C DA 4  1_555 0.494  -0.877 3.023 -0.629 4.671  28.057  -2.750 -1.135 2.831 9.550   
1.287  28.442  6  DD_DA126DT127:DA104DT105_CC D 126 ? C 105 ? D 127 ? C 104 ? 
1 D DT 7  1_555 C DA 4  1_555 D C  9  1_555 C G  3  1_555 -2.200 -0.760 3.151 -0.573 10.077 50.713  -1.520 2.489  2.983 11.633  
0.662  51.642  7  DD_DT127C129:G103DA104_CC   D 127 ? C 104 ? D 129 ? C 103 ? 
1 D C  9  1_555 C G  3  1_555 D G  10 1_555 C C  2  1_555 -0.933 -2.078 3.735 -3.383 12.329 30.599  -5.810 1.044  2.797 22.185  
6.088  33.104  8  DD_C129G130:C102G103_CC     D 129 ? C 103 ? D 130 ? C 102 ? 
1 D G  10 1_555 C C  2  1_555 D U  11 1_555 C G  1  1_555 -0.032 -1.119 3.040 1.482  2.299  42.650  -1.747 0.180  2.976 3.157   
-2.034 42.733  9  DD_G130U131:G101C102_CC     D 130 ? C 102 ? D 131 ? C 101 ? 
1 D U  11 1_555 C G  1  1_555 A G  1  1_555 B U  11 1_555 0.348  -4.266 3.214 0.408  10.796 -36.441 4.950  0.596  4.259 -16.814 
0.635  -37.956 10 DA_U131G1:U31G101_BC        D 131 ? C 101 ? A 1   ? B 31  ? 
1 A G  1  1_555 B U  11 1_555 A C  2  1_555 B G  10 1_555 -0.051 -1.148 3.138 -1.532 1.063  42.989  -1.665 -0.075 3.110 1.450   
2.090  43.027  11 AA_G1C2:G30U31_BB           A 1   ? B 31  ? A 2   ? B 30  ? 
1 A C  2  1_555 B G  10 1_555 A G  3  1_555 B C  9  1_555 0.394  -2.013 3.476 2.382  9.384  31.184  -5.184 -0.295 2.790 16.951  
-4.304 32.616  12 AA_C2G3:C29G30_BB           A 2   ? B 30  ? A 3   ? B 29  ? 
1 A G  3  1_555 B C  9  1_555 A DA 4  1_555 B DT 7  1_555 -1.338 -2.104 3.102 -2.682 5.899  20.123  -7.915 2.659  2.543 16.343  
7.430  21.130  13 AA_G3DA4:DT27C29_BB         A 3   ? B 29  ? A 4   ? B 27  ? 
1 A DA 4  1_555 B DT 7  1_555 A DT 5  1_555 B DA 6  1_555 -0.873 -0.859 3.152 1.817  4.918  31.131  -2.436 1.921  2.931 9.083   
-3.357 31.558  14 AA_DA4DT5:DA26DT27_BB       A 4   ? B 27  ? A 5   ? B 26  ? 
1 A DT 5  1_555 B DA 6  1_555 A DA 6  1_555 B DT 5  1_555 -0.151 -0.743 3.206 -0.847 4.948  33.363  -2.056 0.127  3.070 8.558   
1.465  33.727  15 AA_DT5DA6:DT25DA26_BB       A 5   ? B 26  ? A 6   ? B 25  ? 
1 A DA 6  1_555 B DT 5  1_555 A DT 7  1_555 B DA 4  1_555 0.674  -0.812 3.063 -2.368 8.250  28.928  -3.068 -1.729 2.673 16.074  
4.614  30.149  16 AA_DA6DT7:DA24DT25_BB       A 6   ? B 25  ? A 7   ? B 24  ? 
1 A DT 7  1_555 B DA 4  1_555 A C  9  1_555 B G  3  1_555 -2.168 -0.871 3.331 -2.226 12.591 51.153  -1.807 2.300  3.135 14.328  
2.533  52.622  17 AA_DT7C9:G23DA24_BB         A 7   ? B 24  ? A 9   ? B 23  ? 
1 A C  9  1_555 B G  3  1_555 A G  10 1_555 B C  2  1_555 -0.767 -1.975 3.405 -1.269 13.845 28.937  -5.864 1.180  2.277 25.903  
2.375  32.039  18 AA_C9G10:C22G23_BB          A 9   ? B 23  ? A 10  ? B 22  ? 
1 A G  10 1_555 B C  2  1_555 A U  11 1_555 B G  1  1_555 -0.072 -1.401 3.201 -0.622 2.670  42.598  -2.183 0.039  3.113 3.671   
0.856  42.682  19 AA_G10U11:G21C22_BB         A 10  ? B 22  ? A 11  ? B 21  ? 
1 A U  11 1_555 B G  1  1_555 E G  1  1_555 F U  11 1_555 0.035  -4.047 2.922 1.064  17.000 -32.836 3.649  0.228  4.424 -27.861 
1.744  -36.883 20 AE_U11G201:U231G21_FB       A 11  ? B 21  ? E 201 ? F 231 ? 
1 E G  1  1_555 F U  11 1_555 E C  2  1_555 F G  10 1_555 0.304  -0.794 3.123 1.132  3.056  40.287  -1.474 -0.319 3.064 4.429   
-1.640 40.413  21 EE_G201C202:G230U231_FF     E 201 ? F 231 ? E 202 ? F 230 ? 
1 E C  2  1_555 F G  10 1_555 E G  3  1_555 F C  9  1_555 0.601  -1.874 3.447 -0.571 10.884 35.007  -4.435 -1.032 2.752 17.574  
0.922  36.614  22 EE_C202G203:C229G230_FF     E 202 ? F 230 ? E 203 ? F 229 ? 
1 E G  3  1_555 F C  9  1_555 E DA 4  1_555 F DT 7  1_555 -0.961 -1.808 3.236 0.328  4.264  28.784  -4.486 1.981  2.932 8.517   
-0.656 29.093  23 EE_G203DA204:DT227C229_FF   E 203 ? F 229 ? E 204 ? F 227 ? 
1 E DA 4  1_555 F DT 7  1_555 E DT 5  1_555 F DA 6  1_555 -0.478 -0.880 3.127 0.671  5.664  29.049  -2.837 1.069  2.895 11.157  
-1.322 29.592  24 EE_DA204DT205:DA226DT227_FF E 204 ? F 227 ? E 205 ? F 226 ? 
1 E DT 5  1_555 F DA 6  1_555 E DA 6  1_555 F DT 5  1_555 -0.209 -0.749 3.100 0.646  6.413  34.800  -2.110 0.433  2.916 10.609  
-1.070 35.374  25 EE_DT205DA206:DT225DA226_FF E 205 ? F 226 ? E 206 ? F 225 ? 
1 E DA 6  1_555 F DT 5  1_555 E DT 7  1_555 F DA 4  1_555 0.636  -0.627 3.022 -3.303 5.214  28.432  -2.273 -1.916 2.775 10.459  
6.625  29.081  26 EE_DA206DT207:DA224DT225_FF E 206 ? F 225 ? E 207 ? F 224 ? 
1 E DT 7  1_555 F DA 4  1_555 E C  9  1_555 F G  3  1_555 1.433  -2.328 3.193 2.276  10.735 20.737  -8.751 -2.889 1.913 27.479  
-5.827 23.433  27 EE_DT207C209:G223DA224_FF   E 207 ? F 224 ? E 209 ? F 223 ? 
1 E C  9  1_555 F G  3  1_555 E G  10 1_555 F C  2  1_555 -0.438 -2.167 3.257 -2.617 16.478 27.211  -6.434 0.404  1.728 31.543  
5.010  31.836  28 EE_C209G210:C222G223_FF     E 209 ? F 223 ? E 210 ? F 222 ? 
1 E G  10 1_555 F C  2  1_555 E U  11 1_555 F G  1  1_555 -0.193 -1.129 3.072 0.761  6.196  43.523  -2.046 0.323  2.889 8.305   
-1.020 43.947  29 EE_G210U211:G221C222_FF     E 210 ? F 222 ? E 211 ? F 221 ? 
# 
_atom_sites.entry_id                    1I2Y 
_atom_sites.Cartn_transform_axes        ? 
_atom_sites.fract_transf_matrix[1][1]   0.032755 
_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]   0.022114 
_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]   0.006172 
_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 
N 
O 
P 
# 
loop_