data_PDN
#

_chem_comp.id                                   PDN
_chem_comp.name                                 "17,21-DIHYDROXYPREGNA-1,4-DIENE-3,11,20-TRIONE"
_chem_comp.type                                 NON-POLYMER
_chem_comp.pdbx_type                            HETAIN
_chem_comp.formula                              "C21 H26 O5"
_chem_comp.mon_nstd_parent_comp_id              ?
_chem_comp.pdbx_synonyms                        "PREDNISONE; 1,4 PREGNADIENE-17ALPHA,21-DIOL-3,11,20-TRIONE; 1-CORTISONE; DEHYDROCORTISONE"
_chem_comp.pdbx_formal_charge                   0
_chem_comp.pdbx_initial_date                    2001-06-04
_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                       358.428
_chem_comp.one_letter_code                      ?
_chem_comp.three_letter_code                    PDN
_chem_comp.pdbx_model_coordinates_details       ?
_chem_comp.pdbx_model_coordinates_missing_flag  N
_chem_comp.pdbx_ideal_coordinates_details       ?
_chem_comp.pdbx_ideal_coordinates_missing_flag  N
_chem_comp.pdbx_model_coordinates_db_code       1H61
_chem_comp.pdbx_subcomponent_list               ?
_chem_comp.pdbx_processing_site                 EBI
#   #
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
PDN  C1    C1    C  0  1  N  N  N  20.636  11.858  21.148   1.603  -0.072  -3.214  C1    PDN   1  
PDN  C2    C2    C  0  1  N  N  N  19.883  10.851  21.762   1.622  -0.403  -4.495  C2    PDN   2  
PDN  C3    C3    C  0  1  N  N  N  19.956   9.433  21.345   0.385  -0.324  -5.290  C3    PDN   3  
PDN  C4    C4    C  0  1  N  N  N  20.859   9.125  20.232  -0.860   0.068  -4.613  C4    PDN   4  
PDN  C5    C5    C  0  1  N  N  N  21.637  10.039  19.570  -0.858   0.388  -3.327  C5    PDN   5  
PDN  C6    C6    C  0  1  N  N  N  22.618   9.609  18.360  -2.169   0.765  -2.663  C6    PDN   6  
PDN  C7    C7    C  0  1  N  N  N  22.385  10.589  17.290  -2.323  -0.063  -1.382  C7    PDN   7  
PDN  C8    C8    C  0  1  N  N  S  22.390  11.970  17.560  -1.088   0.131  -0.505  C8    PDN   8  
PDN  C9    C9    C  0  1  N  N  S  21.341  12.358  18.721   0.143  -0.436  -1.233  C9    PDN   9  
PDN  C10   C10   C  0  1  N  N  R  21.612  11.562  19.981   0.382   0.405  -2.487  C10   PDN  10  
PDN  C11   C11   C  0  1  N  N  N  21.330  13.943  18.938   1.348  -0.394  -0.330  C11   PDN  11  
PDN  C12   C12   C  0  1  N  N  N  21.101  14.666  17.593   1.225  -0.891   1.102  C12   PDN  12  
PDN  C13   C13   C  0  1  N  N  S  22.101  14.363  16.544  -0.000  -0.212   1.690  C13   PDN  13  
PDN  C14   C14   C  0  1  N  N  S  22.080  12.841  16.314  -1.219  -0.605   0.811  C14   PDN  14  
PDN  C15   C15   C  0  1  N  N  N  22.957  12.710  15.016  -2.408  -0.181   1.684  C15   PDN  15  
PDN  C16   C16   C  0  1  N  N  N  22.777  13.884  14.262  -1.969  -0.609   3.109  C16   PDN  16  
PDN  C17   C17   C  0  1  N  N  R  21.792  14.776  15.064  -0.398  -0.669   3.091  C17   PDN  17  
PDN  C18   C18   C  0  1  N  N  N  23.498  14.949  17.028   0.186   1.306   1.671  C18   PDN  18  
PDN  C19   C19   C  0  1  N  N  N  22.949  11.949  20.581   0.629   1.851  -2.049  C19   PDN  19  
PDN  C20   C20   C  0  1  N  N  N  21.841  16.327  14.937   0.170   0.253   4.138  C20   PDN  20  
PDN  C21   C21   C  0  1  N  N  N  20.827  16.768  14.703   0.951  -0.228   5.088  C21   PDN  21  
PDN  O1    O1    O  0  1  N  N  N  19.314   8.600  21.893   0.392  -0.579  -6.480  O1    PDN  22  
PDN  O2    O2    O  0  1  N  N  N  21.468  14.574  20.145   2.402   0.029  -0.740  O2    PDN  23  
PDN  O3    O3    O  0  1  N  N  N  20.340  14.400  14.830   0.047  -2.008   3.315  O3    PDN  24  
PDN  O4    O4    O  0  1  N  N  N  22.872  16.659  14.207  -0.121   1.581   4.106  O4    PDN  25  
PDN  O5    O5    O  0  1  N  N  N  20.922  18.125  15.144   1.464   0.604   6.033  O5    PDN  26  
PDN  HC1   1HC   H  0  1  N  N  N  20.532  12.896  21.506   2.526  -0.148  -2.658  HC1   PDN  27  
PDN  HC2   2HC   H  0  1  N  N  N  19.208  11.125  22.590   2.542  -0.730  -4.957  HC2   PDN  28  
PDN  HC4   4HC   H  0  1  N  N  N  20.917   8.074  19.901  -1.785   0.096  -5.170  HC4   PDN  29  
PDN  HC61  1HC6  H  0  0  N  N  N  22.486   8.551  18.033  -2.996   0.551  -3.339  HC61  PDN  30  
PDN  HC62  2HC6  H  0  0  N  N  N  23.688   9.523  18.662  -2.161   1.826  -2.413  HC62  PDN  31  
PDN  HC71  1HC7  H  0  0  N  N  N  21.419  10.337  16.793  -2.424  -1.117  -1.640  HC71  PDN  32  
PDN  HC72  2HC7  H  0  0  N  N  N  23.119  10.393  16.474  -3.210   0.265  -0.840  HC72  PDN  33  
PDN  HC8   8HC   H  0  1  N  N  N  23.410  12.242  17.919  -0.940   1.194  -0.315  HC8   PDN  34  
PDN  HC9   9HC   H  0  1  N  N  N  20.327  12.068  18.360  -0.053  -1.468  -1.524  HC9   PDN  35  
PDN  H121  1H12  H  0  0  N  N  N  21.033  15.767  17.754   2.113  -0.616   1.671  H121  PDN  36  
PDN  H122  2H12  H  0  0  N  N  N  20.072  14.461  17.215   1.094  -1.973   1.112  H122  PDN  37  
PDN  HC41  1HC4  H  0  0  N  N  N  21.037  12.588  16.010  -1.237  -1.682   0.643  HC41  PDN  38  
PDN  H151  1H15  H  0  0  N  N  N  22.738  11.783  14.436  -2.556   0.897   1.634  H151  PDN  39  
PDN  H152  2H15  H  0  0  N  N  N  24.029  12.495  15.236  -3.313  -0.709   1.385  H152  PDN  40  
PDN  H161  1H16  H  0  0  N  N  N  23.734  14.398  14.011  -2.309   0.122   3.841  H161  PDN  41  
PDN  H162  2H16  H  0  0  N  N  N  22.445  13.690  13.215  -2.375  -1.592   3.346  H162  PDN  42  
PDN  H181  1H18  H  0  0  N  N  N  23.513  16.051  17.195   0.420   1.630   0.657  H181  PDN  43  
PDN  H182  2H18  H  0  0  N  N  N  24.306  14.656  16.318  -0.731   1.789   2.005  H182  PDN  44  
PDN  H183  3H18  H  0  0  N  N  N  23.843  14.416  17.945   1.004   1.579   2.338  H183  PDN  45  
PDN  H191  1H19  H  0  0  N  N  N  23.651  11.736  19.741   0.811   2.470  -2.928  H191  PDN  46  
PDN  H192  2H19  H  0  0  N  N  N  23.198  11.445  21.544  -0.245   2.224  -1.517  H192  PDN  47  
PDN  H193  3H19  H  0  0  N  N  N  23.001  12.986  20.988   1.498   1.888  -1.392  H193  PDN  48  
PDN  HC12  2HC1  H  0  0  N  N  N  19.972  16.204  15.142   1.183  -1.282   5.114  HC12  PDN  49  
PDN  HO3   3HO   H  0  1  N  N  N  20.153  14.650  13.933  -0.270  -2.266   4.191  HO3   PDN  50  
PDN  HO4   4HO   H  0  1  N  N  N  22.902  17.605  14.130   0.336   1.986   4.855  HO4   PDN  51  
PDN  HO5   5HO   H  0  1  N  N  N  20.070  18.496  14.947   2.001   0.059   6.624  HO5   PDN  52  
#   #
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
PDN  C1   C2    DOUB  N  N   1  
PDN  C1   C10   SING  N  N   2  
PDN  C1   HC1   SING  N  N   3  
PDN  C2   C3    SING  N  N   4  
PDN  C2   HC2   SING  N  N   5  
PDN  C3   C4    SING  N  N   6  
PDN  C3   O1    DOUB  N  N   7  
PDN  C4   C5    DOUB  N  N   8  
PDN  C4   HC4   SING  N  N   9  
PDN  C5   C6    SING  N  N  10  
PDN  C5   C10   SING  N  N  11  
PDN  C6   C7    SING  N  N  12  
PDN  C6   HC61  SING  N  N  13  
PDN  C6   HC62  SING  N  N  14  
PDN  C7   C8    SING  N  N  15  
PDN  C7   HC71  SING  N  N  16  
PDN  C7   HC72  SING  N  N  17  
PDN  C8   C9    SING  N  N  18  
PDN  C8   C14   SING  N  N  19  
PDN  C8   HC8   SING  N  N  20  
PDN  C9   C10   SING  N  N  21  
PDN  C9   C11   SING  N  N  22  
PDN  C9   HC9   SING  N  N  23  
PDN  C10  C19   SING  N  N  24  
PDN  C11  C12   SING  N  N  25  
PDN  C11  O2    DOUB  N  N  26  
PDN  C12  C13   SING  N  N  27  
PDN  C12  H121  SING  N  N  28  
PDN  C12  H122  SING  N  N  29  
PDN  C13  C14   SING  N  N  30  
PDN  C13  C17   SING  N  N  31  
PDN  C13  C18   SING  N  N  32  
PDN  C14  C15   SING  N  N  33  
PDN  C14  HC41  SING  N  N  34  
PDN  C15  C16   SING  N  N  35  
PDN  C15  H151  SING  N  N  36  
PDN  C15  H152  SING  N  N  37  
PDN  C16  C17   SING  N  N  38  
PDN  C16  H161  SING  N  N  39  
PDN  C16  H162  SING  N  N  40  
PDN  C17  C20   SING  N  N  41  
PDN  C17  O3    SING  N  N  42  
PDN  C18  H181  SING  N  N  43  
PDN  C18  H182  SING  N  N  44  
PDN  C18  H183  SING  N  N  45  
PDN  C19  H191  SING  N  N  46  
PDN  C19  H192  SING  N  N  47  
PDN  C19  H193  SING  N  N  48  
PDN  C20  C21   DOUB  N  Z  49  
PDN  C20  O4    SING  N  N  50  
PDN  C21  O5    SING  N  N  51  
PDN  C21  HC12  SING  N  N  52  
PDN  O3   HO3   SING  N  N  53  
PDN  O4   HO4   SING  N  N  54  
PDN  O5   HO5   SING  N  N  55  
#   #
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
PDN  SMILES            ACDLabs               10.04  "O=C2CC4(C(C3CCC1=CC(=O)C=CC1(C)C23)CCC4(O)C(\O)=C\O)C"  
PDN  SMILES_CANONICAL  CACTVS                3.341  "C[C@]12CC(=O)[C@H]3[C@@H](CCC4=CC(=O)C=C[C@]34C)[C@@H]1CC[C@]2(O)\C(O)=C\O"  
PDN  SMILES            CACTVS                3.341  "C[C]12CC(=O)[CH]3[CH](CCC4=CC(=O)C=C[C]34C)[CH]1CC[C]2(O)C(O)=CO"  
PDN  SMILES_CANONICAL  "OpenEye OEToolkits"  1.5.0  "C[C@]12CC(=O)[C@H]3[C@H]([C@@H]1CC[C@@]2(C(=CO)O)O)CCC4=CC(=O)C=C[C@]34C"  
PDN  SMILES            "OpenEye OEToolkits"  1.5.0  "CC12CC(=O)C3C(C1CCC2(C(=CO)O)O)CCC4=CC(=O)C=CC34C"  
PDN  InChI             InChI                 1.03   "InChI=1S/C21H26O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h5,7,9,11,14-15,18,22,25-26H,3-4,6,8,10H2,1-2H3/b17-11-/t14-,15-,18+,19-,20-,21-/m0/s1"  
PDN  InChIKey          InChI                 1.03   WZTZVUUYKIOIRV-LMZHSBCYSA-N  
#   #
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
PDN  "SYSTEMATIC NAME"  ACDLabs               10.04  "(8alpha,14beta,17alpha,20Z)-17,20,21-trihydroxypregna-1,4,20-triene-3,11-dione"  
PDN  "SYSTEMATIC NAME"  "OpenEye OEToolkits"  1.5.0  "(8S,9S,10R,13S,14S,17R)-17-(1,2-dihydroxyethenyl)-17-hydroxy-10,13-dimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione"  
#   #
loop_
_pdbx_chem_comp_audit.comp_id
_pdbx_chem_comp_audit.action_type
_pdbx_chem_comp_audit.date
_pdbx_chem_comp_audit.processing_site
PDN  "Create component"   2001-06-04  EBI   
PDN  "Modify descriptor"  2011-06-04  RCSB  
PDN  "Modify synonyms"    2020-06-05  PDBE  
#   #
loop_
_pdbx_chem_comp_synonyms.ordinal
_pdbx_chem_comp_synonyms.comp_id
_pdbx_chem_comp_synonyms.name
_pdbx_chem_comp_synonyms.provenance
_pdbx_chem_comp_synonyms.type
1  PDN  PREDNISONE                                        ?  ?  
2  PDN  "1,4 PREGNADIENE-17ALPHA,21-DIOL-3,11,20-TRIONE"  ?  ?  
3  PDN  1-CORTISONE                                       ?  ?  
4  PDN  DEHYDROCORTISONE                                  ?  ?  
##
