data_KGD
#

_chem_comp.id                                   KGD
_chem_comp.name                                 "beta,psi-caroten-4-one"
_chem_comp.type                                 NON-POLYMER
_chem_comp.pdbx_type                            HETAIN
_chem_comp.formula                              "C40 H54 O"
_chem_comp.mon_nstd_parent_comp_id              ?
_chem_comp.pdbx_synonyms                        Keto-gamma-carotene
_chem_comp.pdbx_formal_charge                   0
_chem_comp.pdbx_initial_date                    2018-02-02
_chem_comp.pdbx_modified_date                   2021-03-01
_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                       550.856
_chem_comp.one_letter_code                      ?
_chem_comp.three_letter_code                    KGD
_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       5YQ7
_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
KGD  CAB  C1   C  0  1  N  N  N  118.185  92.977  67.099   12.502  -1.138   0.865  CAB  KGD   1  
KGD  CAC  C2   C  0  1  N  N  N  119.573  92.442  67.352   13.394  -0.154   1.628  CAC  KGD   2  
KGD  CAD  C3   C  0  1  N  N  N  117.829  92.694  65.741   11.517  -0.369   0.024  CAD  KGD   3  
KGD  CAE  C4   C  0  1  N  N  N  120.552  93.043  66.398   14.098   0.761   0.622  CAE  KGD   4  
KGD  CAF  C5   C  0  1  N  N  N  117.331  92.270  68.157   13.368  -2.017  -0.038  CAF  KGD   5  
KGD  CAG  C6   C  0  1  N  N  N  118.141  94.488  67.309   11.745  -2.018   1.862  CAG  KGD   6  
KGD  CAH  C7   C  0  1  N  N  N  118.856  92.582  64.795   11.833   0.879  -0.472  CAH  KGD   7  
KGD  CAI  C8   C  0  1  N  N  N  120.200  92.750  65.108   13.065   1.471  -0.213  CAI  KGD   8  
KGD  CAJ  C9   C  0  1  N  N  N  116.552  92.485  65.178   10.270  -0.925  -0.256  CAJ  KGD   9  
KGD  CAK  C10  C  0  1  N  N  N  118.537  92.307  63.469   10.823   1.617  -1.312  CAK  KGD  10  
KGD  CAL  C11  C  0  1  N  N  N  115.263  92.540  65.990    9.115  -0.253   0.104  CAL  KGD  11  
KGD  CAM  C12  C  0  1  N  N  N  113.928  92.299  65.300    7.870  -0.754  -0.274  CAM  KGD  12  
KGD  CAN  C13  C  0  1  N  N  N  113.806  92.031  63.784    7.782  -2.027  -1.076  CAN  KGD  13  
KGD  CAO  C14  C  0  1  N  N  N  112.709  92.380  66.207    6.716  -0.082   0.086  CAO  KGD  14  
KGD  CAP  C15  C  0  1  N  N  N  111.331  92.154  65.609    5.471  -0.583  -0.293  CAP  KGD  15  
KGD  CAQ  C16  C  0  1  N  N  N  110.243  92.275  66.662    4.317   0.089   0.068  CAQ  KGD  16  
KGD  CAR  C17  C  0  1  N  N  N  108.815  92.073  66.196    3.071  -0.412  -0.311  CAR  KGD  17  
KGD  CAS  C18  C  0  1  N  N  N   91.620  91.784  71.864  -13.786   0.684  -0.507  CAS  KGD  18  
KGD  CAT  C19  C  0  1  N  N  N   91.568  90.219  71.857  -14.362  -0.165   0.628  CAT  KGD  19  
KGD  CAU  C20  C  0  1  N  N  N  108.500  91.769  64.736    2.983  -1.685  -1.113  CAU  KGD  20  
KGD  CAV  C21  C  0  1  N  N  N  107.709  92.188  67.228    1.917   0.260   0.049  CAV  KGD  21  
KGD  CAW  C22  C  0  1  N  N  N   93.152  91.964  72.032  -12.441   1.225  -0.098  CAW  KGD  22  
KGD  CAX  C23  C  0  1  N  N  N   92.048  89.600  73.184  -15.707  -0.706   0.219  CAX  KGD  23  
KGD  CAY  C24  C  0  1  N  N  N   93.353  88.802  73.206  -15.898  -2.000   0.144  CAY  KGD  24  
KGD  CAZ  C25  C  0  1  N  N  N   93.832  92.311  73.379  -12.352   2.498   0.703  CAZ  KGD  25  
KGD  CBA  C26  C  0  1  N  N  N   94.026  91.787  70.791  -11.325   0.575  -0.447  CBA  KGD  26  
KGD  CBB  C27  C  0  1  N  N  N  106.296  91.978  66.717    0.671  -0.241  -0.330  CBB  KGD  27  
KGD  CBC  C28  C  0  1  N  N  N   94.183  88.608  71.947  -17.275  -2.544  -0.135  CBC  KGD  28  
KGD  CBD  C29  C  0  1  N  N  N   93.827  88.199  74.525  -14.739  -2.944   0.336  CBD  KGD  29  
KGD  CBE  C30  C  0  1  N  N  N   95.521  91.967  71.016  -10.059   1.084  -0.062  CBE  KGD  30  
KGD  CBF  C31  C  0  1  N  N  N   96.381  91.784  69.770   -8.925   0.424  -0.416  CBF  KGD  31  
KGD  CBG  C32  C  0  1  N  N  N  105.261  92.113  67.819   -0.482   0.430   0.030  CBG  KGD  32  
KGD  CBH  C33  C  0  1  N  N  N   97.867  91.964  70.035   -7.670   0.928  -0.034  CBH  KGD  33  
KGD  CBI  C34  C  0  1  N  N  N  103.816  91.917  67.402   -1.729  -0.071  -0.349  CBI  KGD  34  
KGD  CBJ  C35  C  0  1  N  N  N   98.890  91.822  68.924   -6.530   0.264  -0.390  CBJ  KGD  35  
KGD  CBK  C36  C  0  1  N  N  N   98.332  92.270  71.441   -7.582   2.201   0.767  CBK  KGD  36  
KGD  CBL  C37  C  0  1  N  N  N  102.818  92.065  68.545   -2.881   0.599   0.010  CBL  KGD  37  
KGD  CBM  C38  C  0  1  N  N  N  100.338  92.031  69.367   -5.280   0.767  -0.010  CBM  KGD  38  
KGD  CBN  C39  C  0  1  N  N  N  101.334  91.882  68.227   -4.129   0.097  -0.369  CBN  KGD  39  
KGD  CBO  C40  C  0  1  N  N  N  103.317  92.363  69.971   -2.793   1.872   0.812  CBO  KGD  40  
KGD  OAA  O1   O  0  1  N  N  N  121.070  92.656  64.242   13.310   2.573  -0.667  OAA  KGD  41  
KGD  H1   H1   H  0  1  N  N  N  119.568  91.350  67.224   12.782   0.447   2.302  H1   KGD  42  
KGD  H2   H2   H  0  1  N  N  N  119.873  92.689  68.381   14.137  -0.706   2.204  H2   KGD  43  
KGD  H3   H3   H  0  1  N  N  N  121.554  92.637  66.602   14.700   1.495   1.157  H3   KGD  44  
KGD  H4   H4   H  0  1  N  N  N  120.565  94.135  66.531   14.742   0.164  -0.024  H4   KGD  45  
KGD  H5   H5   H  0  1  N  N  N  117.682  92.552  69.161   12.733  -2.717  -0.581  H5   KGD  46  
KGD  H6   H6   H  0  1  N  N  N  116.279  92.570  68.039   13.907  -1.390  -0.748  H6   KGD  47  
KGD  H7   H7   H  0  1  N  N  N  117.418  91.181  68.030   14.081  -2.572   0.571  H7   KGD  48  
KGD  H8   H8   H  0  1  N  N  N  118.412  94.722  68.349   11.164  -1.388   2.536  H8   KGD  49  
KGD  H9   H9   H  0  1  N  N  N  118.853  94.974  66.626   11.074  -2.685   1.321  H9   KGD  50  
KGD  H10  H10  H  0  1  N  N  N  117.125  94.857  67.103   12.457  -2.608   2.439  H10  KGD  51  
KGD  H11  H11  H  0  1  N  N  N  116.485  92.276  64.121   10.205  -1.881  -0.755  H11  KGD  52  
KGD  H12  H12  H  0  1  N  N  N  117.447  92.200  63.368   11.254   2.557  -1.657  H12  KGD  53  
KGD  H13  H13  H  0  1  N  N  N  118.885  93.132  62.830   10.549   1.005  -2.171  H13  KGD  54  
KGD  H14  H14  H  0  1  N  N  N  119.028  91.372  63.160    9.935   1.823  -0.714  H14  KGD  55  
KGD  H15  H15  H  0  1  N  N  N  115.297  92.749  67.049    9.178   0.659   0.678  H15  KGD  56  
KGD  H16  H16  H  0  1  N  N  N  112.748  91.888  63.520    7.715  -2.879  -0.399  H16  KGD  57  
KGD  H17  H17  H  0  1  N  N  N  114.210  92.889  63.226    6.896  -1.997  -1.710  H17  KGD  58  
KGD  H18  H18  H  0  1  N  N  N  114.374  91.125  63.525    8.671  -2.127  -1.699  H18  KGD  59  
KGD  H19  H19  H  0  1  N  N  N  112.822  92.595  67.259    6.779   0.831   0.660  H19  KGD  60  
KGD  H20  H20  H  0  1  N  N  N  111.148  91.935  64.567    5.407  -1.495  -0.867  H20  KGD  61  
KGD  H22  H22  H  0  1  N  N  N  110.476  92.494  67.694    4.380   1.002   0.642  H22  KGD  62  
KGD  H23  H23  H  0  1  N  N  N   91.253  92.215  70.921  -13.674   0.068  -1.400  H23  KGD  63  
KGD  H24  H24  H  0  1  N  N  N   91.058  92.213  72.706  -14.462   1.512  -0.720  H24  KGD  64  
KGD  H25  H25  H  0  1  N  N  N   90.530  89.903  71.677  -13.686  -0.993   0.841  H25  KGD  65  
KGD  H26  H26  H  0  1  N  N  N   92.210  89.850  71.044  -14.474   0.451   1.521  H26  KGD  66  
KGD  H27  H27  H  0  1  N  N  N  107.413  91.659  64.610    2.916  -2.536  -0.436  H27  KGD  67  
KGD  H28  H28  H  0  1  N  N  N  108.861  92.594  64.104    2.096  -1.654  -1.747  H28  KGD  68  
KGD  H29  H29  H  0  1  N  N  N  109.000  90.835  64.440    3.872  -1.784  -1.735  H29  KGD  69  
KGD  H30  H30  H  0  1  N  N  N  107.915  92.407  68.265    1.980   1.172   0.623  H30  KGD  70  
KGD  H32  H32  H  0  1  N  N  N   91.470  89.728  74.087  -16.515  -0.027  -0.012  H32  KGD  71  
KGD  H33  H33  H  0  1  N  N  N   93.067  92.403  74.164  -12.377   2.260   1.767  H33  KGD  72  
KGD  H34  H34  H  0  1  N  N  N   94.540  91.513  73.649  -11.421   3.012   0.467  H34  KGD  73  
KGD  H35  H35  H  0  1  N  N  N   94.373  93.264  73.282  -13.196   3.142   0.456  H35  KGD  74  
KGD  H36  H36  H  0  1  N  N  N   93.612  91.551  69.822  -11.388  -0.337  -1.021  H36  KGD  75  
KGD  H37  H37  H  0  1  N  N  N  106.054  91.758  65.688    0.608  -1.153  -0.904  H37  KGD  76  
KGD  H39  H39  H  0  1  N  N  N   95.074  88.008  72.184  -17.415  -2.645  -1.211  H39  KGD  77  
KGD  H40  H40  H  0  1  N  N  N   93.581  88.087  71.188  -17.383  -3.520   0.339  H40  KGD  78  
KGD  H41  H41  H  0  1  N  N  N   94.494  89.589  71.558  -18.024  -1.860   0.267  H41  KGD  79  
KGD  H42  H42  H  0  1  N  N  N   93.105  88.440  75.319  -14.595  -3.131   1.401  H42  KGD  80  
KGD  H43  H43  H  0  1  N  N  N   93.906  87.107  74.421  -14.949  -3.885  -0.172  H43  KGD  81  
KGD  H44  H44  H  0  1  N  N  N   94.811  88.615  74.785  -13.835  -2.500  -0.080  H44  KGD  82  
KGD  H45  H45  H  0  1  N  N  N   95.940  92.206  71.982   -9.996   1.997   0.513  H45  KGD  83  
KGD  H47  H47  H  0  1  N  N  N   95.975  91.550  68.797   -8.988  -0.489  -0.990  H47  KGD  84  
KGD  H49  H49  H  0  1  N  N  N  105.537  92.335  68.839   -0.419   1.342   0.604  H49  KGD  85  
KGD  H52  H52  H  0  1  N  N  N  103.521  91.693  66.388   -1.792  -0.984  -0.924  H52  KGD  86  
KGD  H54  H54  H  0  1  N  N  N   98.618  91.592  67.904   -6.594  -0.648  -0.965  H54  KGD  87  
KGD  H56  H56  H  0  1  N  N  N   97.461  92.337  72.109   -7.606   1.963   1.831  H56  KGD  88  
KGD  H57  H57  H  0  1  N  N  N   99.000  91.468  71.789   -6.650   2.715   0.531  H57  KGD  89  
KGD  H58  H58  H  0  1  N  N  N   98.874  93.227  71.448   -8.426   2.846   0.520  H58  KGD  90  
KGD  H59  H59  H  0  1  N  N  N  100.624  92.260  70.383   -5.217   1.680   0.564  H59  KGD  91  
KGD  H61  H61  H  0  1  N  N  N  101.003  91.654  67.225   -4.193  -0.815  -0.944  H61  KGD  92  
KGD  H62  H62  H  0  1  N  N  N  102.457  92.434  70.653   -2.726   2.724   0.135  H62  KGD  93  
KGD  H63  H63  H  0  1  N  N  N  103.983  91.553  70.303   -3.682   1.972   1.434  H63  KGD  94  
KGD  H64  H64  H  0  1  N  N  N  103.868  93.315  69.975   -1.907   1.842   1.446  H64  KGD  95  
#   #
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
KGD  CAK  CAH  SING  N  N   1  
KGD  CAN  CAM  SING  N  N   2  
KGD  OAA  CAI  DOUB  N  N   3  
KGD  CAU  CAR  SING  N  N   4  
KGD  CAH  CAI  SING  N  N   5  
KGD  CAH  CAD  DOUB  N  N   6  
KGD  CAI  CAE  SING  N  N   7  
KGD  CAJ  CAD  SING  N  N   8  
KGD  CAJ  CAL  DOUB  N  E   9  
KGD  CAM  CAL  SING  N  N  10  
KGD  CAM  CAO  DOUB  N  E  11  
KGD  CAP  CAO  SING  N  N  12  
KGD  CAP  CAQ  DOUB  N  E  13  
KGD  CAD  CAB  SING  N  N  14  
KGD  CAR  CAQ  SING  N  N  15  
KGD  CAR  CAV  DOUB  N  E  16  
KGD  CAE  CAC  SING  N  N  17  
KGD  CBB  CAV  SING  N  N  18  
KGD  CBB  CBG  DOUB  N  E  19  
KGD  CAB  CAG  SING  N  N  20  
KGD  CAB  CAC  SING  N  N  21  
KGD  CAB  CAF  SING  N  N  22  
KGD  CBI  CBG  SING  N  N  23  
KGD  CBI  CBL  DOUB  N  E  24  
KGD  CBN  CBL  SING  N  N  25  
KGD  CBN  CBM  DOUB  N  E  26  
KGD  CBL  CBO  SING  N  N  27  
KGD  CBJ  CBM  SING  N  N  28  
KGD  CBJ  CBH  DOUB  N  E  29  
KGD  CBF  CBH  SING  N  N  30  
KGD  CBF  CBE  DOUB  N  E  31  
KGD  CBH  CBK  SING  N  N  32  
KGD  CBA  CBE  SING  N  N  33  
KGD  CBA  CAW  DOUB  N  E  34  
KGD  CAT  CAS  SING  N  N  35  
KGD  CAT  CAX  SING  N  N  36  
KGD  CAS  CAW  SING  N  N  37  
KGD  CBC  CAY  SING  N  N  38  
KGD  CAW  CAZ  SING  N  N  39  
KGD  CAX  CAY  DOUB  N  N  40  
KGD  CAY  CBD  SING  N  N  41  
KGD  CAC  H1   SING  N  N  42  
KGD  CAC  H2   SING  N  N  43  
KGD  CAE  H3   SING  N  N  44  
KGD  CAE  H4   SING  N  N  45  
KGD  CAF  H5   SING  N  N  46  
KGD  CAF  H6   SING  N  N  47  
KGD  CAF  H7   SING  N  N  48  
KGD  CAG  H8   SING  N  N  49  
KGD  CAG  H9   SING  N  N  50  
KGD  CAG  H10  SING  N  N  51  
KGD  CAJ  H11  SING  N  N  52  
KGD  CAK  H12  SING  N  N  53  
KGD  CAK  H13  SING  N  N  54  
KGD  CAK  H14  SING  N  N  55  
KGD  CAL  H15  SING  N  N  56  
KGD  CAN  H16  SING  N  N  57  
KGD  CAN  H17  SING  N  N  58  
KGD  CAN  H18  SING  N  N  59  
KGD  CAO  H19  SING  N  N  60  
KGD  CAP  H20  SING  N  N  61  
KGD  CAQ  H22  SING  N  N  62  
KGD  CAS  H23  SING  N  N  63  
KGD  CAS  H24  SING  N  N  64  
KGD  CAT  H25  SING  N  N  65  
KGD  CAT  H26  SING  N  N  66  
KGD  CAU  H27  SING  N  N  67  
KGD  CAU  H28  SING  N  N  68  
KGD  CAU  H29  SING  N  N  69  
KGD  CAV  H30  SING  N  N  70  
KGD  CAX  H32  SING  N  N  71  
KGD  CAZ  H33  SING  N  N  72  
KGD  CAZ  H34  SING  N  N  73  
KGD  CAZ  H35  SING  N  N  74  
KGD  CBA  H36  SING  N  N  75  
KGD  CBB  H37  SING  N  N  76  
KGD  CBC  H39  SING  N  N  77  
KGD  CBC  H40  SING  N  N  78  
KGD  CBC  H41  SING  N  N  79  
KGD  CBD  H42  SING  N  N  80  
KGD  CBD  H43  SING  N  N  81  
KGD  CBD  H44  SING  N  N  82  
KGD  CBE  H45  SING  N  N  83  
KGD  CBF  H47  SING  N  N  84  
KGD  CBG  H49  SING  N  N  85  
KGD  CBI  H52  SING  N  N  86  
KGD  CBJ  H54  SING  N  N  87  
KGD  CBK  H56  SING  N  N  88  
KGD  CBK  H57  SING  N  N  89  
KGD  CBK  H58  SING  N  N  90  
KGD  CBM  H59  SING  N  N  91  
KGD  CBN  H61  SING  N  N  92  
KGD  CBO  H62  SING  N  N  93  
KGD  CBO  H63  SING  N  N  94  
KGD  CBO  H64  SING  N  N  95  
#   #
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
KGD  SMILES            ACDLabs               12.01  "C1(C)(CCC(C(=C1C=[C@H]C(=[C@H]C=[C@H]C(=[C@H]C=[C@H]\C=C(/C)\C=[C@H]/C=C(/C=[C@H]/C=C(/CC\C=C(\C)C)C)C)C)C)C)=O)C"  
KGD  InChI             InChI                 1.03   "InChI=1S/C40H54O/c1-31(2)17-13-20-34(5)23-15-25-35(6)24-14-21-32(3)18-11-12-19-33(4)22-16-26-36(7)27-28-38-37(8)39(41)29-30-40(38,9)10/h11-12,14-19,21-28H,13,20,29-30H2,1-10H3/b12-11+,21-14+,22-16+,25-15+,28-27+,32-18+,33-19+,34-23+,35-24+,36-26+"  
KGD  InChIKey          InChI                 1.03   BRKQDNOGSHYATK-HNNISBQLSA-N  
KGD  SMILES_CANONICAL  CACTVS                3.385  "CC(C)=CCC/C(C)=C/C=C/C(C)=C/C=C/C(C)=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1=C(C)C(=O)CCC1(C)C"  
KGD  SMILES            CACTVS                3.385  "CC(C)=CCCC(C)=CC=CC(C)=CC=CC(C)=CC=CC=C(C)C=CC=C(C)C=CC1=C(C)C(=O)CCC1(C)C"  
KGD  SMILES_CANONICAL  "OpenEye OEToolkits"  2.0.6  "CC1=C(C(CCC1=O)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C=C(\C)/CCC=C(C)C)/C)/C"  
KGD  SMILES            "OpenEye OEToolkits"  2.0.6  "CC1=C(C(CCC1=O)(C)C)C=CC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC=C(C)CCC=C(C)C)C)C"  
#   #
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
KGD  "SYSTEMATIC NAME"  ACDLabs               12.01  "beta,psi-caroten-4-one"  
KGD  "SYSTEMATIC NAME"  "OpenEye OEToolkits"  2.0.6  "3-[(1~{E},3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E},19~{E})-3,7,12,16,20,24-hexamethylpentacosa-1,3,5,7,9,11,13,15,17,19,23-undecaenyl]-2,4,4-trimethyl-cyclohex-2-en-1-one"  
#   #
loop_
_pdbx_chem_comp_audit.comp_id
_pdbx_chem_comp_audit.action_type
_pdbx_chem_comp_audit.date
_pdbx_chem_comp_audit.processing_site
KGD  "Create component"  2018-02-02  PDBJ  
KGD  "Initial release"   2018-05-02  RCSB  
KGD  "Modify synonyms"   2021-03-01  PDBE  
#
_pdbx_chem_comp_synonyms.ordinal     1
_pdbx_chem_comp_synonyms.comp_id     KGD
_pdbx_chem_comp_synonyms.name        Keto-gamma-carotene
_pdbx_chem_comp_synonyms.provenance  ?
_pdbx_chem_comp_synonyms.type        ?
##
