data_ENQ
# 
_chem_comp.id                                    ENQ 
_chem_comp.name                                  "[[(2R,3S,4R,5R)-3,4-dihydroxy-5-(9H-imidazo[2,1-f]purin-6-ium-3-yl)oxolan-2-yl]methoxy-oxidanidyl-phosphoryl] [(2R,3S,4R,5R)-3,4-dihydroxy-5-oxidanidyl-oxolan-2-yl]methyl phosphate" 
_chem_comp.type                                  "RNA linking" 
_chem_comp.pdbx_type                             ATOMN 
_chem_comp.formula                               "C17 H22 N5 O14 P2" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         ? 
_chem_comp.pdbx_formal_charge                    -1 
_chem_comp.pdbx_initial_date                     2009-12-17 
_chem_comp.pdbx_modified_date                    2012-01-05 
_chem_comp.pdbx_ambiguous_flag                   N 
_chem_comp.pdbx_release_status                   REL 
_chem_comp.pdbx_replaced_by                      ? 
_chem_comp.pdbx_replaces                         ? 
_chem_comp.formula_weight                        582.329 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     ENQ 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   N 
_chem_comp.pdbx_ideal_coordinates_details        Corina 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1ISI 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
# 
loop_
_chem_comp_atom.comp_id 
_chem_comp_atom.atom_id 
_chem_comp_atom.alt_atom_id 
_chem_comp_atom.type_symbol 
_chem_comp_atom.charge 
_chem_comp_atom.pdbx_align 
_chem_comp_atom.pdbx_aromatic_flag 
_chem_comp_atom.pdbx_leaving_atom_flag 
_chem_comp_atom.pdbx_stereo_config 
_chem_comp_atom.model_Cartn_x 
_chem_comp_atom.model_Cartn_y 
_chem_comp_atom.model_Cartn_z 
_chem_comp_atom.pdbx_model_Cartn_x_ideal 
_chem_comp_atom.pdbx_model_Cartn_y_ideal 
_chem_comp_atom.pdbx_model_Cartn_z_ideal 
_chem_comp_atom.pdbx_component_atom_id 
_chem_comp_atom.pdbx_component_comp_id 
_chem_comp_atom.pdbx_ordinal 
ENQ N1     N1     N 1  1 Y N N 15.926 8.703  82.787 -8.128  2.303  0.614  N1     ENQ 1  
ENQ O1     O1     O -1 1 N N N 9.137  6.276  84.616 1.968   -3.556 -0.632 O1     ENQ 2  
ENQ P1     P1     P 0  1 N N N 9.250  7.485  85.645 1.340   -2.181 -0.953 P1     ENQ 3  
ENQ C2     C2     C 0  1 Y N N 14.711 8.456  82.165 -7.840  1.381  1.538  C2     ENQ 4  
ENQ O2     O2     O 0  1 N N N 7.922  7.508  86.484 2.412   -1.018 -0.653 O2     ENQ 5  
ENQ P2     P2     P 0  1 N N N 6.669  8.338  85.840 3.672   -0.424 -1.460 P2     ENQ 6  
ENQ N3     N3     N 0  1 Y N N 13.729 9.375  82.225 -6.759  0.642  1.480  N3     ENQ 7  
ENQ O3     O3     O 0  1 N N N 10.405 7.284  86.522 0.933   -2.135 -2.443 O3     ENQ 8  
ENQ C4     C4     C 0  1 Y N N 13.759 12.638 83.859 -4.261  0.751  -1.006 C4     ENQ 9  
ENQ O4     O4     O 0  1 N N N 6.933  9.994  85.820 4.645   0.352  -0.439 O4     ENQ 10 
ENQ C5     C5     C 0  1 Y N N 15.081 10.942 83.550 -6.134  1.730  -0.516 C5     ENQ 11 
ENQ O5     O5     O 0  1 N N N 5.422  8.060  86.706 4.446   -1.581 -2.130 O5     ENQ 12 
ENQ C6     C6     C 0  1 Y N N 16.166 9.896  83.479 -7.304  2.505  -0.420 C6     ENQ 13 
ENQ N6     N6     N 0  1 Y N N 17.375 9.863  83.962 -7.835  3.495  -1.202 N6     ENQ 14 
ENQ O6     O6     O -1 1 N N N 6.374  7.748  84.424 3.174   0.558  -2.544 O6     ENQ 15 
ENQ N7     N7     N 0  1 Y N N 14.962 12.198 84.122 -5.105  1.663  -1.394 N7     ENQ 16 
ENQ O7     O7     O 0  1 N Y N 3.363  9.934  81.197 8.814   -0.095 2.589  O7     ENQ 17 
ENQ C8     C8     C 0  1 Y N N 13.910 10.642 82.928 -5.886  0.778  0.484  C8     ENQ 18 
ENQ C9     C9     C 0  1 Y N N 17.955 8.636  83.592 -9.011  3.893  -0.613 C9     ENQ 19 
ENQ N9     N9     N 0  1 Y N N 13.080 11.701 83.125 -4.698  0.176  0.149  N9     ENQ 20 
ENQ "C0'"  "C0'"  C 0  1 N N R 5.001  11.733 81.586 8.967   1.584  0.811  "C0'"  ENQ 21 
ENQ "C1'"  "C1'"  C 0  1 N N R 11.686 11.863 82.668 -4.025  -0.890 0.895  "C1'"  ENQ 22 
ENQ C10    C10    C 0  1 Y N N 17.045 7.960  82.878 -9.177  3.163  0.497  C10    ENQ 23 
ENQ "C2'"  "C2'"  C 0  1 N N R 11.323 11.271 81.284 -4.587  -2.277 0.492  "C2'"  ENQ 24 
ENQ "O2'"  "O2'"  O 0  1 N N N 10.946 11.083 83.645 -2.632  -0.970 0.524  "O2'"  ENQ 25 
ENQ "C3'"  "C3'"  C 0  1 N N S 9.996  10.527 81.586 -3.408  -3.218 0.840  "C3'"  ENQ 26 
ENQ "O3'"  "O3'"  O 0  1 N N N 8.852  11.248 81.097 -3.611  -3.823 2.119  "O3'"  ENQ 27 
ENQ "C4'"  "C4'"  C 0  1 N N R 9.807  10.441 83.070 -2.179  -2.288 0.873  "C4'"  ENQ 28 
ENQ "O4'"  "O4'"  O 0  1 N N N 11.094 12.331 80.369 -5.744  -2.603 1.264  "O4'"  ENQ 29 
ENQ "C5'"  "C5'"  C 0  1 N N N 9.660  8.964  83.481 -1.138  -2.766 -0.141 "C5'"  ENQ 30 
ENQ "O5'"  "O5'"  O 0  1 N N N 9.468  8.927  84.919 0.036   -1.959 -0.034 "O5'"  ENQ 31 
ENQ "C6'"  "C6'"  C 0  1 N N N 6.010  10.972 85.223 5.905   0.903  -0.830 "C6'"  ENQ 32 
ENQ "O6'"  "O6'"  O 0  1 N N N 4.488  10.214 83.267 6.914   0.572  1.355  "O6'"  ENQ 33 
ENQ "C7'"  "C7'"  C 0  1 N N R 5.754  10.808 83.694 6.568   1.568  0.377  "C7'"  ENQ 34 
ENQ "O7'"  "O7'"  O 0  1 N N N 7.225  12.498 82.656 7.816   3.659  0.213  "O7'"  ENQ 35 
ENQ "C8'"  "C8'"  C 0  1 N N S 5.788  12.110 82.902 7.876   2.257  -0.057 "C8'"  ENQ 36 
ENQ "O8'"  "O8'"  O 0  1 N N N 5.871  11.859 80.431 9.913   2.547  1.278  "O8'"  ENQ 37 
ENQ "C9'"  "C9'"  C 0  1 N N R 4.618  10.239 81.823 8.136   1.009  1.987  "C9'"  ENQ 38 
ENQ H2     H2     H 0  1 N N N 14.553 7.529  81.634 -8.523  1.240  2.362  H2     ENQ 39 
ENQ H4     H4     H 0  1 N N N 13.362 13.592 84.172 -3.349  0.490  -1.522 H4     ENQ 40 
ENQ HN6    HN6    H 0  1 N N N 17.813 10.583 84.501 -7.452  3.850  -2.020 HN6    ENQ 41 
ENQ H9     H9     H 0  1 N N N 18.951 8.300  83.838 -9.679  4.660  -0.978 H9     ENQ 42 
ENQ "H0'"  "H0'"  H 0  1 N N N 4.131  12.378 81.393 9.465   0.786  0.260  "H0'"  ENQ 43 
ENQ "H1'"  "H1'"  H 0  1 N N N 11.476 12.939 82.576 -4.130  -0.731 1.968  "H1'"  ENQ 44 
ENQ H10    H10    H 0  1 N N N 17.186 6.980  82.446 -10.006 3.241  1.184  H10    ENQ 45 
ENQ "H2'"  "H2'"  H 0  1 N N N 12.099 10.627 80.844 -4.810  -2.312 -0.575 "H2'"  ENQ 46 
ENQ "H3'"  "H3'"  H 0  1 N N N 10.066 9.542  81.100 -3.290  -3.983 0.072  "H3'"  ENQ 47 
ENQ "HO3'" "HO3'" H 0  0 N N N 8.061  10.763 81.300 -4.405  -4.373 2.172  "HO3'" ENQ 48 
ENQ "H4'"  "H4'"  H 0  1 N N N 8.893  10.940 83.424 -1.748  -2.279 1.874  "H4'"  ENQ 49 
ENQ "HO4'" "HO4'" H 0  0 N N N 10.871 11.973 79.518 -6.132  -3.462 1.048  "HO4'" ENQ 50 
ENQ "H5'"  "H5'"  H 0  1 N N N 8.795  8.514  82.972 -0.884  -3.806 0.062  "H5'"  ENQ 51 
ENQ "H5'A" "H5'A" H 0  0 N N N 10.565 8.403  83.206 -1.546  -2.682 -1.148 "H5'A" ENQ 52 
ENQ "H6'"  "H6'"  H 0  1 N N N 5.041  10.867 85.734 6.548   0.107  -1.206 "H6'"  ENQ 53 
ENQ "H6'A" "H6'A" H 0  0 N N N 6.440  11.972 85.381 5.749   1.645  -1.614 "H6'A" ENQ 54 
ENQ "H7'"  "H7'"  H 0  1 N N N 6.592  10.126 83.485 5.890   2.299  0.817  "H7'"  ENQ 55 
ENQ "HO7'" "HO7'" H 0  0 N N N 7.642  12.712 83.482 8.635   4.134  0.013  "HO7'" ENQ 56 
ENQ "H8'"  "H8'"  H 0  1 N N N 5.338  12.982 83.399 8.068   2.080  -1.115 "H8'"  ENQ 57 
ENQ "HO8'" "HO8'" H 0  0 N N N 5.389  11.630 79.645 10.617  2.173  1.827  "HO8'" ENQ 58 
ENQ "H9'"  "H9'"  H 0  1 N N N 5.336  9.512  81.416 7.933   1.783  2.727  "H9'"  ENQ 59 
ENQ HO7    HO7    H 0  1 N N N 3.145  9.022  81.351 8.338   -0.492 3.331  HO7    ENQ 60 
# 
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 
ENQ N1    C2     DOUB Y N 1  
ENQ N1    C6     SING Y N 2  
ENQ N1    C10    SING Y N 3  
ENQ O1    P1     SING N N 4  
ENQ P1    O2     SING N N 5  
ENQ P1    O3     DOUB N N 6  
ENQ P1    "O5'"  SING N N 7  
ENQ C2    N3     SING Y N 8  
ENQ O2    P2     SING N N 9  
ENQ P2    O4     SING N N 10 
ENQ P2    O5     DOUB N N 11 
ENQ P2    O6     SING N N 12 
ENQ N3    C8     DOUB Y N 13 
ENQ C4    N7     DOUB Y N 14 
ENQ C4    N9     SING Y N 15 
ENQ O4    "C6'"  SING N N 16 
ENQ C5    C6     DOUB Y N 17 
ENQ C5    N7     SING Y N 18 
ENQ C5    C8     SING Y N 19 
ENQ C6    N6     SING Y N 20 
ENQ N6    C9     SING Y N 21 
ENQ O7    "C9'"  SING N N 22 
ENQ C8    N9     SING Y N 23 
ENQ C9    C10    DOUB Y N 24 
ENQ N9    "C1'"  SING N N 25 
ENQ "C0'" "C8'"  SING N N 26 
ENQ "C0'" "O8'"  SING N N 27 
ENQ "C0'" "C9'"  SING N N 28 
ENQ "C1'" "C2'"  SING N N 29 
ENQ "C1'" "O2'"  SING N N 30 
ENQ "C2'" "C3'"  SING N N 31 
ENQ "C2'" "O4'"  SING N N 32 
ENQ "O2'" "C4'"  SING N N 33 
ENQ "C3'" "O3'"  SING N N 34 
ENQ "C3'" "C4'"  SING N N 35 
ENQ "C4'" "C5'"  SING N N 36 
ENQ "C5'" "O5'"  SING N N 37 
ENQ "C6'" "C7'"  SING N N 38 
ENQ "O6'" "C7'"  SING N N 39 
ENQ "O6'" "C9'"  SING N N 40 
ENQ "C7'" "C8'"  SING N N 41 
ENQ "O7'" "C8'"  SING N N 42 
ENQ C2    H2     SING N N 43 
ENQ C4    H4     SING N N 44 
ENQ N6    HN6    SING N N 45 
ENQ C9    H9     SING N N 46 
ENQ "C0'" "H0'"  SING N N 47 
ENQ "C1'" "H1'"  SING N N 48 
ENQ C10   H10    SING N N 49 
ENQ "C2'" "H2'"  SING N N 50 
ENQ "C3'" "H3'"  SING N N 51 
ENQ "O3'" "HO3'" SING N N 52 
ENQ "C4'" "H4'"  SING N N 53 
ENQ "O4'" "HO4'" SING N N 54 
ENQ "C5'" "H5'"  SING N N 55 
ENQ "C5'" "H5'A" SING N N 56 
ENQ "C6'" "H6'"  SING N N 57 
ENQ "C6'" "H6'A" SING N N 58 
ENQ "C7'" "H7'"  SING N N 59 
ENQ "O7'" "HO7'" SING N N 60 
ENQ "C8'" "H8'"  SING N N 61 
ENQ "O8'" "HO8'" SING N N 62 
ENQ "C9'" "H9'"  SING N N 63 
ENQ O7    HO7    SING N N 64 
# 
loop_
_pdbx_chem_comp_descriptor.comp_id 
_pdbx_chem_comp_descriptor.type 
_pdbx_chem_comp_descriptor.program 
_pdbx_chem_comp_descriptor.program_version 
_pdbx_chem_comp_descriptor.descriptor 
ENQ InChI            InChI                1.03  
"InChI=1S/C17H23N5O14P2/c23-10-7(3-32-37(28,29)36-38(30,31)33-4-8-11(24)13(26)17(27)35-8)34-16(12(10)25)22-6-19-9-14-18-1-2-21(14)5-20-15(9)22/h1-2,5-8,10-13,16-17,23-27H,3-4H2,(H2,28,29,30,31)/p-1/t7-,8-,10-,11-,12-,13-,16-,17-/m1/s1" 
ENQ InChIKey         InChI                1.03  YOABXPSQFWZTMU-QJWJOKBXSA-M 
ENQ SMILES_CANONICAL CACTVS               3.385 "O[C@@H]1O[C@H](CO[P]([O-])(=O)O[P]([O-])(=O)OC[C@H]2O[C@H]([C@H](O)[C@@H]2O)n3cnc4c5[nH]cc[n+]5cnc34)[C@@H](O)[C@H]1O" 
ENQ SMILES           CACTVS               3.385 "O[CH]1O[CH](CO[P]([O-])(=O)O[P]([O-])(=O)OC[CH]2O[CH]([CH](O)[CH]2O)n3cnc4c5[nH]cc[n+]5cnc34)[CH](O)[CH]1O" 
ENQ SMILES_CANONICAL "OpenEye OEToolkits" 1.7.5 "c1c[n+]2cnc3c(c2[nH]1)ncn3[C@H]4[C@@H]([C@@H]([C@H](O4)COP(=O)([O-])OP(=O)([O-])OC[C@@H]5[C@H]([C@H]([C@@H](O5)O)O)O)O)O" 
ENQ SMILES           "OpenEye OEToolkits" 1.7.5 "c1c[n+]2cnc3c(c2[nH]1)ncn3C4C(C(C(O4)COP(=O)([O-])OP(=O)([O-])OCC5C(C(C(O5)O)O)O)O)O" 
# 
loop_
_pdbx_chem_comp_identifier.comp_id 
_pdbx_chem_comp_identifier.type 
_pdbx_chem_comp_identifier.program 
_pdbx_chem_comp_identifier.program_version 
_pdbx_chem_comp_identifier.identifier 
ENQ "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.6.1 "[[(2R,3S,4R,5R)-3,4-dihydroxy-5-(9H-imidazo[2,1-f]purin-6-ium-3-yl)oxolan-2-yl]methoxy-oxidanidyl-phosphoryl] [(2R,3S,4R,5R)-3,4,5-trihydroxyoxolan-2-yl]methyl phosphate" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
ENQ "Create component"     2009-12-17 RCSB 
ENQ "Modify aromatic_flag" 2011-06-04 RCSB 
ENQ "Modify descriptor"    2011-06-04 RCSB 
ENQ "Modify descriptor"    2012-01-05 RCSB 
ENQ "Modify coordinates"   2012-01-05 RCSB 
# 
