data_EHF
#

_chem_comp.id                                   EHF
_chem_comp.name                                 "(2S)-2-hydroxy-2-[8-(hydroxymethyl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-7-yl]butanoic acid"
_chem_comp.type                                 NON-POLYMER
_chem_comp.pdbx_type                            HETAIN
_chem_comp.formula                              "C20 H18 N2 O5"
_chem_comp.mon_nstd_parent_comp_id              ?
_chem_comp.pdbx_synonyms                        "Camptothecin, open form"
_chem_comp.pdbx_formal_charge                   0
_chem_comp.pdbx_initial_date                    2013-07-03
_chem_comp.pdbx_modified_date                   2021-03-13
_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                       366.367
_chem_comp.one_letter_code                      ?
_chem_comp.three_letter_code                    EHF
_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       4L9K
_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
EHF  C1   C1   C  0  1  Y  N  N   -4.370   -6.837   4.476  -6.832  -0.863   0.096  C1   EHF   1  
EHF  C2   C2   C  0  1  Y  N  N   -4.382   -8.119   5.042  -6.169  -2.086   0.022  C2   EHF   2  
EHF  C3   C3   C  0  1  Y  N  N   -5.370   -8.411   5.972  -4.811  -2.147  -0.036  C3   EHF   3  
EHF  C4   C4   C  0  1  Y  N  N   -6.327   -7.410   6.341  -4.057  -0.958  -0.024  C4   EHF   4  
EHF  C5   C5   C  0  1  Y  N  N   -6.302   -6.137   5.783  -4.736   0.285   0.051  C5   EHF   5  
EHF  C6   C6   C  0  1  Y  N  N   -5.293   -5.845   4.844  -6.137   0.309   0.111  C6   EHF   6  
EHF  N7   N7   N  0  1  Y  N  N   -7.271   -7.732   7.248  -2.725  -0.991  -0.080  N7   EHF   7  
EHF  C8   C8   C  0  1  Y  N  N   -8.196   -6.833   7.637  -2.006   0.120  -0.068  C8   EHF   8  
EHF  C9   C9   C  0  1  Y  N  N   -8.264   -5.514   7.149  -2.628   1.378   0.005  C9   EHF   9  
EHF  C10  C10  C  0  1  Y  N  N   -7.281   -5.125   6.185  -3.982   1.476   0.064  C10  EHF  10  
EHF  C11  C11  C  0  1  N  N  N   -9.279   -6.965   8.568  -0.539   0.331  -0.120  C11  EHF  11  
EHF  N12  N12  N  0  1  N  N  N   -9.941   -5.844   8.647  -0.262   1.668  -0.082  N12  EHF  12  
EHF  C13  C13  C  0  1  N  N  N   -9.388   -4.915   7.815  -1.528   2.409  -0.002  C13  EHF  13  
EHF  C14  C14  C  0  1  N  N  N   -9.608   -8.130   9.296   0.490  -0.584  -0.196  C14  EHF  14  
EHF  C15  C15  C  0  1  N  N  N  -10.680   -8.110  10.159   1.816  -0.143  -0.234  C15  EHF  15  
EHF  C16  C16  C  0  1  N  N  N  -11.383   -6.872  10.232   2.078   1.196  -0.194  C16  EHF  16  
EHF  C17  C17  C  0  1  N  N  N  -10.996   -5.759   9.480   1.012   2.108  -0.118  C17  EHF  17  
EHF  O18  O18  O  0  1  N  N  N  -11.701   -4.560   9.572   1.241   3.306  -0.083  O18  EHF  18  
EHF  C19  C19  C  0  1  N  N  N  -12.583   -6.744  11.174   3.500   1.692  -0.233  C19  EHF  19  
EHF  C20  C20  C  0  1  N  N  S  -11.049   -9.387  10.949   2.946  -1.137  -0.316  C20  EHF  20  
EHF  C21  C21  C  0  1  N  N  N  -10.695   -9.182  12.415   3.726  -1.118   0.974  C21  EHF  21  
EHF  O22  O22  O  0  1  N  N  N  -11.530   -9.472  13.332   3.218  -0.509   2.057  O22  EHF  22  
EHF  O23  O23  O  0  1  N  N  N   -9.572   -8.722  12.709   4.808  -1.653   1.033  O23  EHF  23  
EHF  O24  O24  O  0  1  N  N  N  -12.407   -9.689  10.714   2.415  -2.445  -0.533  O24  EHF  24  
EHF  C25  C25  C  0  1  N  N  N  -10.261  -10.580  10.458   3.871  -0.763  -1.476  C25  EHF  25  
EHF  C26  C26  C  0  1  N  N  N  -11.020  -11.454   9.476   5.273  -1.313  -1.208  C26  EHF  26  
EHF  O27  O27  O  0  1  N  N  N  -12.061   -6.043  12.322   4.374   0.672   0.256  O27  EHF  27  
EHF  H1   H1   H  0  1  N  N  N   -3.624   -6.604   3.730  -7.911  -0.843   0.138  H1   EHF  28  
EHF  H2   H2   H  0  1  N  N  N   -3.645   -8.857   4.763  -6.743  -3.001   0.012  H2   EHF  29  
EHF  H3   H3   H  0  1  N  N  N   -5.418   -9.393   6.418  -4.313  -3.104  -0.093  H3   EHF  30  
EHF  H4   H4   H  0  1  N  N  N   -5.230   -4.859   4.408  -6.662   1.251   0.168  H4   EHF  31  
EHF  H5   H5   H  0  1  N  N  N   -7.262   -4.128   5.771  -4.467   2.440   0.119  H5   EHF  32  
EHF  H6   H6   H  0  1  N  N  N   -9.053   -4.045   8.399  -1.634   3.062  -0.868  H6   EHF  33  
EHF  H7   H7   H  0  1  N  N  N   -9.023   -9.030   9.176   0.272  -1.641  -0.226  H7   EHF  34  
EHF  H9   H9   H  0  1  N  N  N  -13.391   -6.168  10.700   3.771   1.940  -1.259  H9   EHF  35  
EHF  H10  H10  H  0  1  N  N  N  -12.960   -7.736  11.462   3.592   2.580   0.392  H10  EHF  36  
EHF  H11  H11  H  0  1  N  N  N  -11.148   -9.281  14.181   3.755  -0.523   2.861  H11  EHF  37  
EHF  H12  H12  H  0  1  N  N  N  -12.645  -10.473  11.195   2.005  -2.565  -1.401  H12  EHF  38  
EHF  H13  H13  H  0  1  N  N  N   -9.985  -11.195  11.327   3.483  -1.189  -2.401  H13  EHF  39  
EHF  H14  H14  H  0  1  N  N  N   -9.349  -10.214   9.963   3.918   0.322  -1.568  H14  EHF  40  
EHF  H15  H15  H  0  1  N  N  N  -10.384  -12.296   9.166   5.226  -2.398  -1.116  H15  EHF  41  
EHF  H16  H16  H  0  1  N  N  N  -11.931  -11.840   9.957   5.932  -1.046  -2.035  H16  EHF  42  
EHF  H17  H17  H  0  1  N  N  N  -11.296  -10.859   8.593   5.660  -0.886  -0.283  H17  EHF  43  
EHF  H18  H18  H  0  1  N  N  N  -12.753   -5.922  12.962   5.313   0.874   0.147  H18  EHF  44  
EHF  H8   H8   H  0  1  N  N  N  -10.132   -4.593   7.071  -1.561   2.996   0.915  H8   EHF  45  
#   #
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
EHF  C1   C6   SING  Y  N   1  
EHF  C1   C2   DOUB  Y  N   2  
EHF  C6   C5   DOUB  Y  N   3  
EHF  C2   C3   SING  Y  N   4  
EHF  C5   C10  SING  Y  N   5  
EHF  C5   C4   SING  Y  N   6  
EHF  C3   C4   DOUB  Y  N   7  
EHF  C10  C9   DOUB  Y  N   8  
EHF  C4   N7   SING  Y  N   9  
EHF  C9   C8   SING  Y  N  10  
EHF  C9   C13  SING  N  N  11  
EHF  N7   C8   DOUB  Y  N  12  
EHF  C8   C11  SING  N  N  13  
EHF  C13  N12  SING  N  N  14  
EHF  C11  N12  SING  N  N  15  
EHF  C11  C14  DOUB  N  N  16  
EHF  N12  C17  SING  N  N  17  
EHF  C14  C15  SING  N  N  18  
EHF  C26  C25  SING  N  N  19  
EHF  C17  O18  DOUB  N  N  20  
EHF  C17  C16  SING  N  N  21  
EHF  C15  C16  DOUB  N  N  22  
EHF  C15  C20  SING  N  N  23  
EHF  C16  C19  SING  N  N  24  
EHF  C25  C20  SING  N  N  25  
EHF  O24  C20  SING  N  N  26  
EHF  C20  C21  SING  N  N  27  
EHF  C19  O27  SING  N  N  28  
EHF  C21  O23  DOUB  N  N  29  
EHF  C21  O22  SING  N  N  30  
EHF  C1   H1   SING  N  N  31  
EHF  C2   H2   SING  N  N  32  
EHF  C3   H3   SING  N  N  33  
EHF  C6   H4   SING  N  N  34  
EHF  C10  H5   SING  N  N  35  
EHF  C13  H6   SING  N  N  36  
EHF  C14  H7   SING  N  N  37  
EHF  C19  H9   SING  N  N  38  
EHF  C19  H10  SING  N  N  39  
EHF  O22  H11  SING  N  N  40  
EHF  O24  H12  SING  N  N  41  
EHF  C25  H13  SING  N  N  42  
EHF  C25  H14  SING  N  N  43  
EHF  C26  H15  SING  N  N  44  
EHF  C26  H16  SING  N  N  45  
EHF  C26  H17  SING  N  N  46  
EHF  O27  H18  SING  N  N  47  
EHF  C13  H8   SING  N  N  48  
#   #
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
EHF  SMILES            ACDLabs               12.01  "O=C(O)C(O)(C=4C=C3c2nc1ccccc1cc2CN3C(=O)C=4CO)CC"  
EHF  InChI             InChI                 1.03   "InChI=1S/C20H18N2O5/c1-2-20(27,19(25)26)14-8-16-17-12(9-22(16)18(24)13(14)10-23)7-11-5-3-4-6-15(11)21-17/h3-8,23,27H,2,9-10H2,1H3,(H,25,26)/t20-/m0/s1"  
EHF  InChIKey          InChI                 1.03   SARNOWGPKQIWFT-FQEVSTJZSA-N  
EHF  SMILES_CANONICAL  CACTVS                3.385  "CC[C@@](O)(C(O)=O)C1=C(CO)C(=O)N2Cc3cc4ccccc4nc3C2=C1"  
EHF  SMILES            CACTVS                3.385  "CC[C](O)(C(O)=O)C1=C(CO)C(=O)N2Cc3cc4ccccc4nc3C2=C1"  
EHF  SMILES_CANONICAL  "OpenEye OEToolkits"  1.7.6  "CC[C@](C1=C(C(=O)N2Cc3cc4ccccc4nc3C2=C1)CO)(C(=O)O)O"  
EHF  SMILES            "OpenEye OEToolkits"  1.7.6  "CCC(C1=C(C(=O)N2Cc3cc4ccccc4nc3C2=C1)CO)(C(=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
EHF  "SYSTEMATIC NAME"  ACDLabs               12.01  "(2S)-2-hydroxy-2-[8-(hydroxymethyl)-9-oxo-9,11-dihydroindolizino[1,2-b]quinolin-7-yl]butanoic acid"  
EHF  "SYSTEMATIC NAME"  "OpenEye OEToolkits"  1.7.6  "(2S)-2-[8-(hydroxymethyl)-9-oxidanylidene-11H-indolizino[1,2-b]quinolin-7-yl]-2-oxidanyl-butanoic acid"  
#   #
loop_
_pdbx_chem_comp_audit.comp_id
_pdbx_chem_comp_audit.action_type
_pdbx_chem_comp_audit.date
_pdbx_chem_comp_audit.processing_site
EHF  "Create component"  2013-07-03  RCSB  
EHF  "Initial release"   2013-07-24  RCSB  
EHF  "Modify synonyms"   2021-03-13  RCSB  
#
_pdbx_chem_comp_synonyms.ordinal     1
_pdbx_chem_comp_synonyms.comp_id     EHF
_pdbx_chem_comp_synonyms.name        "Camptothecin, open form"
_pdbx_chem_comp_synonyms.provenance  PDB
_pdbx_chem_comp_synonyms.type        ?
##
