data_A1EN9 # _chem_comp.id A1EN9 _chem_comp.name "(13~{a}~{S})-3,9-dimethoxy-6,8,13,13~{a}-tetrahydro-5~{H}-isoquinolino[2,1-b]isoquinoline-2,10-diol" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C19 H21 N O4" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms L-Stepholidine _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-03-26 _chem_comp.pdbx_modified_date 2026-10-02 _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 327.374 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1EN9 _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 9U5F _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBC _chem_comp.pdbx_pcm ? _chem_comp.pdbx_comp_type ? # 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 A1EN9 N1 N1 N 0 1 N N N N N N 119.063 117.634 102.995 0.349 1.226 0.234 N1 A1EN9 1 A1EN9 C4 C1 C 0 1 Y N N N N N 119.322 114.812 105.569 -2.356 -1.194 -0.609 C4 A1EN9 2 A1EN9 C5 C2 C 0 1 Y N N N N N 118.774 115.845 104.773 -1.712 -0.010 -0.275 C5 A1EN9 3 A1EN9 C6 C3 C 0 1 N N S N N N 119.703 116.602 103.818 -0.215 0.052 -0.441 C6 A1EN9 4 A1EN9 C7 C4 C 0 1 N N N N N N 120.690 117.360 104.665 0.397 -1.209 0.177 C7 A1EN9 5 A1EN9 C8 C5 C 0 1 Y N N N N N 121.690 118.162 103.920 1.898 -1.090 0.221 C8 A1EN9 6 A1EN9 C10 C6 C 0 1 N N N N N N 120.118 118.089 102.032 1.760 1.400 -0.142 C10 A1EN9 7 A1EN9 C13 C7 C 0 1 Y N N N N N 117.518 116.114 104.853 -2.447 1.056 0.193 C13 A1EN9 8 A1EN9 C15 C8 C 0 1 Y N N N N N 122.412 119.281 101.990 3.918 0.193 0.136 C15 A1EN9 9 A1EN9 C17 C9 C 0 1 Y N N N N N 123.811 119.261 103.909 4.025 -2.181 0.470 C17 A1EN9 10 A1EN9 C1 C10 C 0 1 N N N N N N 115.417 114.593 107.766 -6.508 0.815 0.632 C1 A1EN9 11 A1EN9 C11 C11 C 0 1 N N N N N N 117.603 117.473 102.757 -0.412 2.440 -0.098 C11 A1EN9 12 A1EN9 C12 C12 C 0 1 N N N N N N 116.833 117.180 104.050 -1.787 2.360 0.565 C12 A1EN9 13 A1EN9 C14 C13 C 0 1 Y N N N N N 116.675 115.393 105.738 -3.822 0.948 0.332 C14 A1EN9 14 A1EN9 C16 C14 C 0 1 Y N N N N N 123.579 119.632 102.617 4.667 -0.961 0.332 C16 A1EN9 15 A1EN9 C18 C15 C 0 1 Y N N N N N 122.882 118.525 104.587 2.647 -2.242 0.415 C18 A1EN9 16 A1EN9 C19 C16 C 0 1 N N N N N N 121.687 120.967 100.558 4.904 1.790 -1.325 C19 A1EN9 17 A1EN9 C2 C17 C 0 1 Y N N N N N 117.213 114.401 106.494 -4.467 -0.230 0.002 C2 A1EN9 18 A1EN9 C3 C18 C 0 1 Y N N N N N 118.525 114.111 106.426 -3.727 -1.310 -0.472 C3 A1EN9 19 A1EN9 C9 C19 C 0 1 Y N N N N N 121.454 118.520 102.688 2.531 0.126 0.078 C9 A1EN9 20 A1EN9 O1 O1 O 0 1 N N N N N N 116.392 113.710 107.348 -5.816 -0.334 0.139 O1 A1EN9 21 A1EN9 O2 O2 O 0 1 N N N N N N 124.546 120.374 101.944 6.024 -0.893 0.387 O2 A1EN9 22 A1EN9 O3 O3 O 0 1 N N N N N N 122.170 119.663 100.674 4.545 1.392 -0.000 O3 A1EN9 23 A1EN9 O4 O4 O 0 1 N N N N N N 119.059 113.099 107.214 -4.350 -2.473 -0.802 O4 A1EN9 24 A1EN9 H2 H2 H 0 1 N N N N N N 120.374 114.578 105.498 -1.781 -2.032 -0.977 H2 A1EN9 25 A1EN9 H3 H3 H 0 1 N N N N N N 120.236 115.882 103.180 0.029 0.091 -1.503 H3 A1EN9 26 A1EN9 H4 H4 H 0 1 N N N N N N 120.124 118.044 105.315 0.015 -1.337 1.190 H4 A1EN9 27 A1EN9 H5 H5 H 0 1 N N N N N N 121.234 116.632 105.285 0.123 -2.075 -0.425 H5 A1EN9 28 A1EN9 H6 H6 H 0 1 N N N N N N 119.721 118.947 101.469 1.819 1.678 -1.194 H6 A1EN9 29 A1EN9 H7 H7 H 0 1 N N N N N N 120.328 117.261 101.339 2.198 2.194 0.463 H7 A1EN9 30 A1EN9 H8 H8 H 0 1 N N N N N N 124.731 119.550 104.396 4.601 -3.082 0.621 H8 A1EN9 31 A1EN9 H9 H9 H 0 1 N N N N N N 114.730 114.082 108.457 -6.131 1.070 1.622 H9 A1EN9 32 A1EN9 H10 H10 H 0 1 N N N N N N 115.889 115.443 108.280 -6.347 1.654 -0.045 H10 A1EN9 33 A1EN9 H11 H11 H 0 1 N N N N N N 114.855 114.958 106.894 -7.575 0.598 0.693 H11 A1EN9 34 A1EN9 H12 H12 H 0 1 N N N N N N 117.212 118.401 102.315 0.120 3.317 0.271 H12 A1EN9 35 A1EN9 H13 H13 H 0 1 N N N N N N 117.448 116.639 102.056 -0.532 2.512 -1.179 H13 A1EN9 36 A1EN9 H14 H14 H 0 1 N N N N N N 116.774 118.100 104.650 -2.404 3.191 0.223 H14 A1EN9 37 A1EN9 H15 H15 H 0 1 N N N N N N 115.818 116.842 103.795 -1.672 2.414 1.648 H15 A1EN9 38 A1EN9 H16 H16 H 0 1 N N N N N N 115.624 115.629 105.809 -4.393 1.788 0.699 H16 A1EN9 39 A1EN9 H17 H17 H 0 1 N N N N N N 123.054 118.227 105.611 2.148 -3.193 0.525 H17 A1EN9 40 A1EN9 H18 H18 H 0 1 N N N N N N 121.518 121.203 99.497 4.007 1.857 -1.940 H18 A1EN9 41 A1EN9 H19 H19 H 0 1 N N N N N N 120.739 121.057 101.109 5.395 2.762 -1.292 H19 A1EN9 42 A1EN9 H20 H20 H 0 1 N N N N N N 122.423 121.669 100.977 5.584 1.053 -1.754 H20 A1EN9 43 A1EN9 H21 H21 H 0 1 N N N N N N 125.285 120.529 102.520 6.375 -0.752 1.277 H21 A1EN9 44 A1EN9 H22 H22 H 0 1 N N N N N N 118.372 112.717 107.748 -4.423 -3.101 -0.070 H22 A1EN9 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 A1EN9 C19 O3 SING N N 1 A1EN9 O3 C15 SING N N 2 A1EN9 O2 C16 SING N N 3 A1EN9 C15 C16 DOUB Y N 4 A1EN9 C15 C9 SING Y N 5 A1EN9 C10 C9 SING N N 6 A1EN9 C10 N1 SING N N 7 A1EN9 C16 C17 SING Y N 8 A1EN9 C9 C8 DOUB Y N 9 A1EN9 C11 N1 SING N N 10 A1EN9 C11 C12 SING N N 11 A1EN9 N1 C6 SING N N 12 A1EN9 C6 C7 SING N N 13 A1EN9 C6 C5 SING N N 14 A1EN9 C17 C18 DOUB Y N 15 A1EN9 C8 C18 SING Y N 16 A1EN9 C8 C7 SING N N 17 A1EN9 C12 C13 SING N N 18 A1EN9 C5 C13 DOUB Y N 19 A1EN9 C5 C4 SING Y N 20 A1EN9 C13 C14 SING Y N 21 A1EN9 C4 C3 DOUB Y N 22 A1EN9 C14 C2 DOUB Y N 23 A1EN9 C3 C2 SING Y N 24 A1EN9 C3 O4 SING N N 25 A1EN9 C2 O1 SING N N 26 A1EN9 O1 C1 SING N N 27 A1EN9 C4 H2 SING N N 28 A1EN9 C6 H3 SING N N 29 A1EN9 C7 H4 SING N N 30 A1EN9 C7 H5 SING N N 31 A1EN9 C10 H6 SING N N 32 A1EN9 C10 H7 SING N N 33 A1EN9 C17 H8 SING N N 34 A1EN9 C1 H9 SING N N 35 A1EN9 C1 H10 SING N N 36 A1EN9 C1 H11 SING N N 37 A1EN9 C11 H12 SING N N 38 A1EN9 C11 H13 SING N N 39 A1EN9 C12 H14 SING N N 40 A1EN9 C12 H15 SING N N 41 A1EN9 C14 H16 SING N N 42 A1EN9 C18 H17 SING N N 43 A1EN9 C19 H18 SING N N 44 A1EN9 C19 H19 SING N N 45 A1EN9 C19 H20 SING N N 46 A1EN9 O2 H21 SING N N 47 A1EN9 O4 H22 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 A1EN9 InChI InChI 1.06 "InChI=1S/C19H21NO4/c1-23-18-8-12-5-6-20-10-14-11(3-4-16(21)19(14)24-2)7-15(20)13(12)9-17(18)22/h3-4,8-9,15,21-22H,5-7,10H2,1-2H3/t15-/m0/s1" A1EN9 InChIKey InChI 1.06 JKPISQIIWUONPB-HNNXBMFYSA-N A1EN9 SMILES_CANONICAL CACTVS 3.385 "COc1cc2CCN3Cc4c(C[C@H]3c2cc1O)ccc(O)c4OC" A1EN9 SMILES CACTVS 3.385 "COc1cc2CCN3Cc4c(C[CH]3c2cc1O)ccc(O)c4OC" A1EN9 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "COc1cc2c(cc1O)[C@@H]3Cc4ccc(c(c4CN3CC2)OC)O" A1EN9 SMILES "OpenEye OEToolkits" 2.0.7 "COc1cc2c(cc1O)C3Cc4ccc(c(c4CN3CC2)OC)O" # _pdbx_chem_comp_identifier.comp_id A1EN9 _pdbx_chem_comp_identifier.type "SYSTEMATIC NAME" _pdbx_chem_comp_identifier.program "OpenEye OEToolkits" _pdbx_chem_comp_identifier.program_version 2.0.7 _pdbx_chem_comp_identifier.identifier "(13~{a}~{S})-3,9-dimethoxy-6,8,13,13~{a}-tetrahydro-5~{H}-isoquinolino[2,1-b]isoquinoline-2,10-diol" # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id A1EN9 _pdbx_chem_comp_synonyms.name L-Stepholidine _pdbx_chem_comp_synonyms.provenance PUBCHEM _pdbx_chem_comp_synonyms.type ? # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1EN9 "Create component" 2025-03-26 PDBC A1EN9 "Initial release" 2026-10-07 RCSB #