data_A1B7L # _chem_comp.id A1B7L _chem_comp.name exatecan _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C24 H22 F N3 O4" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms "(1S,9S,14S)-1-amino-9-ethyl-5-fluoro-9-hydroxy-4-methyl-1,2,3,9,12,15-hexahydro-10H,13H-benzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-10,13-dione" _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-04-02 _chem_comp.pdbx_modified_date 2026-05-15 _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 435.448 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1B7L _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 9NZE _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site RCSB _chem_comp.pdbx_pcm ? # 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.pdbx_n_terminal_atom_flag _chem_comp_atom.pdbx_backbone_atom_flag _chem_comp_atom.pdbx_c_terminal_atom_flag _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 A1B7L C10 C1 C 0 1 Y N N N N N -58.253 1.757 -10.718 2.615 -1.226 -0.073 C10 A1B7L 1 A1B7L C5 C2 C 0 1 N N S N N N -59.291 4.555 -13.197 3.351 2.523 -0.124 C5 A1B7L 2 A1B7L C11 C3 C 0 1 Y N N N N N -56.437 2.637 -11.908 0.599 -0.079 -0.080 C11 A1B7L 3 A1B7L C12 C4 C 0 1 Y N N N N N -58.727 0.901 -9.818 3.329 -2.438 -0.056 C12 A1B7L 4 A1B7L C13 C5 C 0 1 Y N N N N N -60.111 0.905 -9.574 4.692 -2.419 -0.058 C13 A1B7L 5 A1B7L C2 C6 C 0 1 N N N N N N -56.302 4.329 -13.508 0.199 2.226 -0.110 C2 A1B7L 6 A1B7L C6 C7 C 0 1 N N N N N N -60.584 4.865 -12.486 4.701 2.363 0.581 C6 A1B7L 7 A1B7L C4 C8 C 0 1 Y N N N N N -58.460 3.529 -12.371 2.620 1.209 -0.105 C4 A1B7L 8 A1B7L C9 C9 C 0 1 Y N N N N N -59.025 2.721 -11.496 3.336 -0.004 -0.091 C9 A1B7L 9 A1B7L C7 C10 C 0 1 N N N N N N -61.325 3.676 -11.989 5.513 1.270 -0.119 C7 A1B7L 10 A1B7L C8 C11 C 0 1 Y N N N N N -60.375 2.736 -11.271 4.739 -0.023 -0.094 C8 A1B7L 11 A1B7L O3 O1 O 0 1 N N N N N N -50.269 3.929 -12.831 -5.832 0.725 0.260 O3 A1B7L 12 A1B7L O2 O2 O 0 1 N N N N N N -51.488 1.158 -10.653 -4.152 -2.222 -1.000 O2 A1B7L 13 A1B7L O4 O3 O 0 1 N N N N N N -49.267 2.804 -10.901 -6.514 -0.975 -1.024 O4 A1B7L 14 A1B7L C3 C12 C 0 1 Y N N N N N -57.150 3.471 -12.556 1.264 1.161 -0.101 C3 A1B7L 15 A1B7L C14 C13 C 0 1 Y N N N N N -60.977 1.841 -10.313 5.397 -1.214 -0.077 C14 A1B7L 16 A1B7L C15 C14 C 0 1 N N N N N N -62.482 1.828 -10.035 6.904 -1.233 -0.078 C15 A1B7L 17 A1B7L C16 C15 C 0 1 N N N N N N -53.799 4.285 -13.803 -2.352 2.002 -0.092 C16 A1B7L 18 A1B7L C17 C16 C 0 1 N N N N N N -52.557 3.614 -13.302 -3.457 1.125 -0.081 C17 A1B7L 19 A1B7L C18 C17 C 0 1 N N N N N N -52.622 2.474 -12.290 -3.237 -0.216 -0.054 C18 A1B7L 20 A1B7L C19 C18 C 0 1 N N S N N N -51.321 1.793 -11.875 -4.371 -1.209 -0.016 C19 A1B7L 21 A1B7L C20 C19 C 0 1 N N N N N N -50.873 0.774 -12.919 -4.445 -1.850 1.371 C20 A1B7L 22 A1B7L C21 C20 C 0 1 N N N N N N -52.039 -0.110 -13.396 -5.596 -2.857 1.407 C21 A1B7L 23 A1B7L C22 C21 C 0 1 N N N N N N -50.247 2.859 -11.900 -5.667 -0.489 -0.312 C22 A1B7L 24 A1B7L N N1 N 0 1 N N N N N N -55.008 3.835 -13.208 -1.093 1.526 -0.092 N A1B7L 25 A1B7L C C22 C 0 1 N N N N N N -55.104 2.800 -12.267 -0.860 0.180 -0.075 C A1B7L 26 A1B7L O O4 O 0 1 N N N N N N -53.709 5.310 -14.735 -2.541 3.208 -0.099 O A1B7L 27 A1B7L C23 C23 C 0 1 N N N N N N -51.210 4.013 -13.876 -4.841 1.716 -0.120 C23 A1B7L 28 A1B7L C24 C24 C 0 1 N N N N N N -54.022 2.074 -11.742 -1.921 -0.699 -0.055 C24 A1B7L 29 A1B7L F F1 F 0 1 N N N N N N -60.652 0.049 -8.652 5.372 -3.586 -0.040 F A1B7L 30 A1B7L N2 N2 N 0 1 N N N N N N -59.563 3.961 -14.498 2.552 3.539 0.574 N2 A1B7L 31 A1B7L N3 N3 N 0 1 Y N N N N N -56.782 1.755 -10.986 1.281 -1.213 -0.067 N3 A1B7L 32 A1B7L H3 H1 H 0 1 N N N N N N -58.704 5.478 -13.314 3.514 2.834 -1.156 H3 A1B7L 33 A1B7L H11 H2 H 0 1 N N N N N N -58.070 0.225 -9.292 2.800 -3.379 -0.041 H11 A1B7L 34 A1B7L H2 H3 H 0 1 N N N N N N -56.392 5.401 -13.279 0.294 2.856 0.775 H2 A1B7L 35 A1B7L H1 H4 H 0 1 N N N N N N -56.570 4.155 -14.561 0.282 2.833 -1.011 H1 A1B7L 36 A1B7L H8 H5 H 0 1 N N N N N N -60.354 5.509 -11.625 5.247 3.306 0.538 H8 A1B7L 37 A1B7L H7 H6 H 0 1 N N N N N N -61.237 5.407 -13.186 4.537 2.084 1.621 H7 A1B7L 38 A1B7L H10 H7 H 0 1 N N N N N N -62.111 4.002 -11.292 5.700 1.562 -1.152 H10 A1B7L 39 A1B7L H9 H8 H 0 1 N N N N N N -61.784 3.151 -12.840 6.463 1.135 0.399 H9 A1B7L 40 A1B7L H15 H9 H 0 1 N N N N N N -50.779 1.402 -10.069 -4.845 -2.896 -1.032 H15 A1B7L 41 A1B7L H13 H10 H 0 1 N N N N N N -62.975 1.116 -10.713 7.268 -1.222 0.949 H13 A1B7L 42 A1B7L H12 H11 H 0 1 N N N N N N -62.660 1.525 -8.993 7.256 -2.135 -0.579 H12 A1B7L 43 A1B7L H14 H12 H 0 1 N N N N N N -62.894 2.835 -10.199 7.278 -0.355 -0.605 H14 A1B7L 44 A1B7L H16 H13 H 0 1 N N N N N N -50.097 0.131 -12.478 -3.507 -2.363 1.584 H16 A1B7L 45 A1B7L H17 H14 H 0 1 N N N N N N -50.457 1.311 -13.784 -4.615 -1.077 2.120 H17 A1B7L 46 A1B7L H18 H15 H 0 1 N N N N N N -51.673 -0.828 -14.145 -5.649 -3.314 2.395 H18 A1B7L 47 A1B7L H20 H16 H 0 1 N N N N N N -52.459 -0.657 -12.539 -6.534 -2.345 1.193 H20 A1B7L 48 A1B7L H19 H17 H 0 1 N N N N N N -52.819 0.523 -13.845 -5.426 -3.631 0.658 H19 A1B7L 49 A1B7L H21 H18 H 0 1 N N N N N N -50.930 3.329 -14.691 -5.054 2.066 -1.130 H21 A1B7L 50 A1B7L H22 H19 H 0 1 N N N N N N -51.255 5.043 -14.261 -4.891 2.558 0.570 H22 A1B7L 51 A1B7L H23 H20 H 0 1 N N N N N N -54.153 1.292 -11.009 -1.738 -1.763 -0.040 H23 A1B7L 52 A1B7L H6 H21 H 0 1 N N N N N N -58.699 3.760 -14.960 2.463 3.318 1.554 H6 A1B7L 53 A1B7L H5 H22 H 0 1 N N N N N N -60.081 3.114 -14.376 2.944 4.460 0.445 H5 A1B7L 54 # 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 A1B7L O C16 DOUB N N 1 A1B7L N2 C5 SING N N 2 A1B7L C23 C17 SING N N 3 A1B7L C23 O3 SING N N 4 A1B7L C16 C17 SING N N 5 A1B7L C16 N SING N N 6 A1B7L C2 N SING N N 7 A1B7L C2 C3 SING N N 8 A1B7L C21 C20 SING N N 9 A1B7L C17 C18 DOUB N N 10 A1B7L N C SING N N 11 A1B7L C5 C6 SING N N 12 A1B7L C5 C4 SING N N 13 A1B7L C20 C19 SING N N 14 A1B7L O3 C22 SING N N 15 A1B7L C3 C4 DOUB Y N 16 A1B7L C3 C11 SING Y N 17 A1B7L C6 C7 SING N N 18 A1B7L C4 C9 SING Y N 19 A1B7L C18 C19 SING N N 20 A1B7L C18 C24 SING N N 21 A1B7L C C11 SING N N 22 A1B7L C C24 DOUB N N 23 A1B7L C7 C8 SING N N 24 A1B7L C11 N3 DOUB Y N 25 A1B7L C22 C19 SING N N 26 A1B7L C22 O4 DOUB N N 27 A1B7L C19 O2 SING N N 28 A1B7L C9 C8 DOUB Y N 29 A1B7L C9 C10 SING Y N 30 A1B7L C8 C14 SING Y N 31 A1B7L N3 C10 SING Y N 32 A1B7L C10 C12 DOUB Y N 33 A1B7L C14 C15 SING N N 34 A1B7L C14 C13 DOUB Y N 35 A1B7L C12 C13 SING Y N 36 A1B7L C13 F SING N N 37 A1B7L C5 H3 SING N N 38 A1B7L C12 H11 SING N N 39 A1B7L C2 H2 SING N N 40 A1B7L C2 H1 SING N N 41 A1B7L C6 H8 SING N N 42 A1B7L C6 H7 SING N N 43 A1B7L C7 H10 SING N N 44 A1B7L C7 H9 SING N N 45 A1B7L O2 H15 SING N N 46 A1B7L C15 H13 SING N N 47 A1B7L C15 H12 SING N N 48 A1B7L C15 H14 SING N N 49 A1B7L C20 H16 SING N N 50 A1B7L C20 H17 SING N N 51 A1B7L C21 H18 SING N N 52 A1B7L C21 H20 SING N N 53 A1B7L C21 H19 SING N N 54 A1B7L C23 H21 SING N N 55 A1B7L C23 H22 SING N N 56 A1B7L C24 H23 SING N N 57 A1B7L N2 H6 SING N N 58 A1B7L N2 H5 SING N N 59 # 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 A1B7L SMILES ACDLabs 14.52 "CCC1(O)C=2C=C3c4nc5cc(F)c(C)c6CCC(N)c(c4CN3C(=O)C=2COC1=O)c65" A1B7L InChI InChI 1.06 "InChI=1S/C24H22FN3O4/c1-3-24(31)14-6-18-21-12(8-28(18)22(29)13(14)9-32-23(24)30)19-16(26)5-4-11-10(2)15(25)7-17(27-21)20(11)19/h6-7,16,31H,3-5,8-9,26H2,1-2H3/t16-,24-/m0/s1" A1B7L InChIKey InChI 1.06 ZVYVPGLRVWUPMP-FYSMJZIKSA-N A1B7L SMILES_CANONICAL CACTVS 3.385 "CC[C@@]1(O)C(=O)OCC2=C1C=C3N(Cc4c3nc5cc(F)c(C)c6CC[C@H](N)c4c56)C2=O" A1B7L SMILES CACTVS 3.385 "CC[C]1(O)C(=O)OCC2=C1C=C3N(Cc4c3nc5cc(F)c(C)c6CC[CH](N)c4c56)C2=O" A1B7L SMILES_CANONICAL "OpenEye OEToolkits" 3.1.0.0 "CC[C@@]1(C2=C(COC1=O)C(=O)N3Cc4c5c6c(cc(c(c6CC[C@@H]5N)C)F)nc4C3=C2)O" A1B7L SMILES "OpenEye OEToolkits" 3.1.0.0 "CCC1(C2=C(COC1=O)C(=O)N3Cc4c5c6c(cc(c(c6CCC5N)C)F)nc4C3=C2)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 A1B7L "SYSTEMATIC NAME" ACDLabs 14.52 "(1S,9S,14S)-1-amino-9-ethyl-5-fluoro-9-hydroxy-4-methyl-1,2,3,9,12,15-hexahydro-10H,13H-benzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-10,13-dione" A1B7L "SYSTEMATIC NAME" "OpenEye OEToolkits" 3.1.0.0 "(10~{S},23~{S})-23-azanyl-10-ethyl-18-fluoranyl-19-methyl-10-oxidanyl-8-oxa-4,15-diazahexacyclo[14.7.1.0^{2,14}.0^{4,13}.0^{6,11}.0^{20,24}]tetracosa-1,6(11),12,14,16,18,20(24)-heptaene-5,9-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 A1B7L "Create component" 2025-04-02 RCSB A1B7L "Initial release" 2026-05-20 RCSB # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id A1B7L _pdbx_chem_comp_synonyms.name "(1S,9S,14S)-1-amino-9-ethyl-5-fluoro-9-hydroxy-4-methyl-1,2,3,9,12,15-hexahydro-10H,13H-benzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-10,13-dione" _pdbx_chem_comp_synonyms.provenance PDB _pdbx_chem_comp_synonyms.type "systematic name" #