data_ET9
#

_chem_comp.id                                   ET9
_chem_comp.name                                 
;[[(1R,3S,5S)-3-(2-azanyl-6-oxidanylidene-3H-purin-9-yl)-2-methylidene-5-oxidanyl-cyclopentyl]methoxy-oxidanyl-phosphory
l] phosphono hydrogen phosphate
;

_chem_comp.type                                 NON-POLYMER
_chem_comp.pdbx_type                            HETAIN
_chem_comp.formula                              "C12 H18 N5 O12 P3"
_chem_comp.mon_nstd_parent_comp_id              ?
_chem_comp.pdbx_synonyms                        "Entecavir 5'-triphosphate"
_chem_comp.pdbx_formal_charge                   0
_chem_comp.pdbx_initial_date                    2017-05-30
_chem_comp.pdbx_modified_date                   2020-06-17
_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                       517.219
_chem_comp.one_letter_code                      ?
_chem_comp.three_letter_code                    ET9
_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       5XN1
_chem_comp.pdbx_subcomponent_list               ?
_chem_comp.pdbx_processing_site                 PDBJ
#   #
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
ET9  "C1'"  C1   C  0  1  N  N  S  180.350  276.491  -124.153   3.522  -1.409  -1.272  "C1'"  ET9   1  
ET9  C2     C2   C  0  1  N  N  N  181.476  272.313  -124.954   6.731   1.804  -1.322  C2     ET9   2  
ET9  "C2'"  C3   C  0  1  N  N  N  180.587  276.327  -122.663   3.750  -2.902  -0.927  "C2'"  ET9   3  
ET9  "C3'"  C4   C  0  1  N  N  S  180.984  277.679  -122.121   2.606  -3.187   0.079  "C3'"  ET9   4  
ET9  C4     C5   C  0  1  Y  N  N  181.721  274.617  -124.964   5.069   0.383  -0.407  C4     ET9   5  
ET9  "C4'"  C6   C  0  1  N  N  R  180.339  278.706  -123.020   1.422  -2.363  -0.469  "C4'"  ET9   6  
ET9  C44    C7   C  0  1  N  N  N  180.034  278.537  -125.446   1.344  -0.339  -1.971  C44    ET9   7  
ET9  C5     C8   C  0  1  Y  N  N  182.998  274.447  -125.610   5.295   0.951   0.841  C5     ET9   8  
ET9  "C5'"  C9   C  0  1  N  N  N  181.158  279.958  -123.211   0.621  -1.764   0.689  "C5'"  ET9   9  
ET9  C6     C10  C  0  1  N  N  N  183.424  273.069  -125.897   6.319   1.995   0.950  C6     ET9  10  
ET9  "C6'"  C11  C  0  1  N  N  N  180.238  277.960  -124.298   2.012  -1.257  -1.318  "C6'"  ET9  11  
ET9  C8     C12  C  0  1  Y  N  N  182.586  276.551  -125.290   3.746  -0.540   1.086  C8     ET9  12  
ET9  N1     N1   N  0  1  N  N  N  182.632  272.089  -125.543   6.979   2.365  -0.158  N1     ET9  13  
ET9  N2     N2   N  0  1  N  N  N  180.735  271.262  -124.626   7.440   2.219  -2.418  N2     ET9  14  
ET9  N3     N3   N  0  1  N  N  N  181.019  273.527  -124.662   5.801   0.826  -1.478  N3     ET9  15  
ET9  N7     N4   N  0  1  Y  N  N  183.470  275.676  -125.788   4.458   0.349   1.718  N7     ET9  16  
ET9  N9     N5   N  0  1  Y  N  N  181.534  275.909  -124.806   4.094  -0.550  -0.233  N9     ET9  17  
ET9  O1A    O1   O  0  1  N  N  N  183.609  281.635  -122.792  -0.909   0.900   1.837  O1A    ET9  18  
ET9  O1B    O2   O  0  1  N  N  N  182.635  281.051  -120.478  -4.907  -0.141   1.637  O1B    ET9  19  
ET9  O1G    O3   O  0  1  N  N  N  186.864  281.282  -119.774  -7.114   0.815  -2.599  O1G    ET9  20  
ET9  O2A    O4   O  0  1  N  N  N  184.901  279.993  -123.972  -2.108  -1.300   2.141  O2A    ET9  21  
ET9  O2B    O5   O  0  1  N  N  N  182.706  278.687  -119.722  -4.265   2.220   1.020  O2B    ET9  22  
ET9  O2G    O6   O  0  1  N  N  N  185.304  281.869  -117.966  -7.507  -0.771  -0.539  O2G    ET9  23  
ET9  "O3'"  O7   O  0  1  N  N  N  180.551  277.793  -120.782   2.285  -4.579   0.094  "O3'"  ET9  24  
ET9  O3A    O8   O  0  1  N  N  N  183.966  279.330  -121.768  -2.843   0.160   0.217  O3A    ET9  25  
ET9  O3B    O9   O  0  1  N  N  N  184.741  280.046  -119.495  -5.249   0.558  -0.764  O3B    ET9  26  
ET9  O3G    O10  O  0  1  N  N  N  184.781  282.417  -120.278  -7.426   1.737  -0.271  O3G    ET9  27  
ET9  "O5'"  O11  O  0  1  N  N  N  182.420  279.619  -123.751  -0.537  -1.102   0.175  "O5'"  ET9  28  
ET9  O6     O12  O  0  1  N  N  N  184.491  272.804  -126.439   6.556   2.527   2.024  O6     ET9  29  
ET9  PA     P1   P  0  1  N  N  N  183.737  280.185  -123.082  -1.610  -0.356   1.115  PA     ET9  30  
ET9  PB     P2   P  0  1  N  N  N  183.437  279.795  -120.353  -4.329   0.681   0.551  PB     ET9  31  
ET9  PG     P3   P  0  1  N  N  N  185.453  281.461  -119.372  -6.837   0.610  -1.026  PG     ET9  32  
ET9  H1     H1   H  0  1  N  N  N  179.425  275.983  -124.463   3.958  -1.173  -2.243  H1     ET9  33  
ET9  H2     H2   H  0  1  N  N  N  179.666  275.980  -122.171   3.649  -3.525  -1.815  H2     ET9  34  
ET9  H3     H3   H  0  1  N  N  N  181.393  275.599  -122.488   4.723  -3.047  -0.458  H3     ET9  35  
ET9  H4     H4   H  0  1  N  N  N  182.077  277.784  -122.182   2.881  -2.848   1.078  H4     ET9  36  
ET9  H5     H5   H  0  1  N  N  N  179.338  278.962  -122.644   0.778  -2.997  -1.078  H5     ET9  37  
ET9  H6     H6   H  0  1  N  N  N  179.929  279.611  -125.500   1.872   0.405  -2.549  H6     ET9  38  
ET9  H7     H7   H  0  1  N  N  N  179.969  277.942  -126.345   0.265  -0.327  -1.933  H7     ET9  39  
ET9  H8     H8   H  0  1  N  N  N  181.297  280.457  -122.240   0.313  -2.559   1.368  H8     ET9  40  
ET9  H9     H9   H  0  1  N  N  N  180.635  280.637  -123.901   1.241  -1.046   1.226  H9     ET9  41  
ET9  H10    H10  H  0  1  N  N  N  182.713  277.623  -125.284   2.996  -1.172   1.538  H10    ET9  42  
ET9  H11    H11  H  0  1  N  N  N  181.061  270.338  -124.828   7.274   1.816  -3.284  H11    ET9  43  
ET9  H12    H12  H  0  1  N  N  N  179.851  271.394  -124.177   8.108   2.916  -2.327  H12    ET9  44  
ET9  H13    H13  H  0  1  N  N  N  180.133  273.623  -124.208   5.653   0.438  -2.355  H13    ET9  45  
ET9  H14    H14  H  0  1  N  N  N  184.299  282.110  -123.240  -0.559   1.561   1.224  H14    ET9  46  
ET9  H15    H15  H  0  1  N  N  N  187.048  281.821  -120.535  -8.052   0.855  -2.831  H15    ET9  47  
ET9  H16    H16  H  0  1  N  N  N  181.828  278.973  -119.499  -3.895   2.818   0.356  H16    ET9  48  
ET9  H17    H17  H  0  1  N  N  N  184.801  282.673  -117.921  -7.168  -1.554  -0.993  H17    ET9  49  
ET9  H18    H18  H  0  1  N  N  N  180.980  277.131  -120.253   3.016  -5.148   0.369  H18    ET9  50  
#   #
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
ET9  O6     C6     DOUB  N  N   1  
ET9  C6     C5     SING  N  N   2  
ET9  C6     N1     SING  N  N   3  
ET9  N7     C5     SING  Y  N   4  
ET9  N7     C8     DOUB  Y  N   5  
ET9  C5     C4     DOUB  Y  N   6  
ET9  N1     C2     DOUB  N  N   7  
ET9  C44    "C6'"  DOUB  N  N   8  
ET9  C8     N9     SING  Y  N   9  
ET9  C4     N9     SING  Y  N  10  
ET9  C4     N3     SING  N  N  11  
ET9  C2     N3     SING  N  N  12  
ET9  C2     N2     SING  N  N  13  
ET9  N9     "C1'"  SING  N  N  14  
ET9  "C6'"  "C1'"  SING  N  N  15  
ET9  "C6'"  "C4'"  SING  N  N  16  
ET9  "C1'"  "C2'"  SING  N  N  17  
ET9  O2A    PA     DOUB  N  N  18  
ET9  "O5'"  "C5'"  SING  N  N  19  
ET9  "O5'"  PA     SING  N  N  20  
ET9  "C5'"  "C4'"  SING  N  N  21  
ET9  PA     O1A    SING  N  N  22  
ET9  PA     O3A    SING  N  N  23  
ET9  "C4'"  "C3'"  SING  N  N  24  
ET9  "C2'"  "C3'"  SING  N  N  25  
ET9  "C3'"  "O3'"  SING  N  N  26  
ET9  O3A    PB     SING  N  N  27  
ET9  O1B    PB     DOUB  N  N  28  
ET9  PB     O2B    SING  N  N  29  
ET9  PB     O3B    SING  N  N  30  
ET9  O3G    PG     DOUB  N  N  31  
ET9  O1G    PG     SING  N  N  32  
ET9  O3B    PG     SING  N  N  33  
ET9  PG     O2G    SING  N  N  34  
ET9  "C1'"  H1     SING  N  N  35  
ET9  "C2'"  H2     SING  N  N  36  
ET9  "C2'"  H3     SING  N  N  37  
ET9  "C3'"  H4     SING  N  N  38  
ET9  "C4'"  H5     SING  N  N  39  
ET9  C44    H6     SING  N  N  40  
ET9  C44    H7     SING  N  N  41  
ET9  "C5'"  H8     SING  N  N  42  
ET9  "C5'"  H9     SING  N  N  43  
ET9  C8     H10    SING  N  N  44  
ET9  N2     H11    SING  N  N  45  
ET9  N2     H12    SING  N  N  46  
ET9  N3     H13    SING  N  N  47  
ET9  O1A    H14    SING  N  N  48  
ET9  O1G    H15    SING  N  N  49  
ET9  O2B    H16    SING  N  N  50  
ET9  O2G    H17    SING  N  N  51  
ET9  "O3'"  H18    SING  N  N  52  
#   #
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
ET9  InChI             InChI                 1.03   "InChI=1S/C12H18N5O12P3/c1-5-6(3-27-31(23,24)29-32(25,26)28-30(20,21)22)8(18)2-7(5)17-4-14-9-10(17)15-12(13)16-11(9)19/h4,6-8,18H,1-3H2,(H,23,24)(H,25,26)(H2,20,21,22)(H3,13,15,16,19)/t6-,7-,8-/m0/s1"  
ET9  InChIKey          InChI                 1.03   YMBBDUCQYPKKJK-FXQIFTODSA-N  
ET9  SMILES_CANONICAL  CACTVS                3.385  "NC1=NC(=O)c2ncn([C@H]3C[C@H](O)[C@@H](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)C3=C)c2N1"  
ET9  SMILES            CACTVS                3.385  "NC1=NC(=O)c2ncn([CH]3C[CH](O)[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)C3=C)c2N1"  
ET9  SMILES_CANONICAL  "OpenEye OEToolkits"  2.0.6  "C=C1[C@H](C[C@@H]([C@H]1COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)n2cnc3c2NC(=NC3=O)N"  
ET9  SMILES            "OpenEye OEToolkits"  2.0.6  "C=C1C(CC(C1COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)n2cnc3c2NC(=NC3=O)N"  
#
_pdbx_chem_comp_identifier.comp_id          ET9
_pdbx_chem_comp_identifier.type             "SYSTEMATIC NAME"
_pdbx_chem_comp_identifier.program          "OpenEye OEToolkits"
_pdbx_chem_comp_identifier.program_version  2.0.6
_pdbx_chem_comp_identifier.identifier       "[[(1~{R},3~{S},5~{S})-3-(2-azanyl-6-oxidanylidene-3~{H}-purin-9-yl)-2-methylidene-5-oxidanyl-cyclopentyl]methoxy-oxidanyl-phosphoryl] phosphono hydrogen 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
ET9  "Create component"  2017-05-30  PDBJ  
ET9  "Modify synonyms"   2017-06-19  PDBJ  
ET9  "Initial release"   2018-02-07  RCSB  
ET9  "Modify synonyms"   2020-06-05  PDBE  
#
_pdbx_chem_comp_synonyms.ordinal     1
_pdbx_chem_comp_synonyms.comp_id     ET9
_pdbx_chem_comp_synonyms.name        "Entecavir 5'-triphosphate"
_pdbx_chem_comp_synonyms.provenance  ?
_pdbx_chem_comp_synonyms.type        ?
##
