data_A1EI0 # _chem_comp.id A1EI0 _chem_comp.name "1-hexadecyl-2-methyl-3-(phenylmethyl)imidazol-3-ium" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C27 H45 N2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge 1 _chem_comp.pdbx_initial_date 2025-01-02 _chem_comp.pdbx_modified_date 2026-01-02 _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 397.660 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1EI0 _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 9L64 _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_processing_site PDBC _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 A1EI0 C4 C1 C 0 1 N N N N N N 11.055 -39.524 40.772 -11.355 -0.400 -0.312 C4 A1EI0 1 A1EI0 C5 C2 C 0 1 N N N N N N 11.278 -40.246 39.449 -10.074 -0.173 0.493 C5 A1EI0 2 A1EI0 C6 C3 C 0 1 N N N N N N 10.197 -39.992 38.405 -8.868 -0.196 -0.448 C6 A1EI0 3 A1EI0 C7 C4 C 0 1 N N N N N N 10.640 -40.274 36.983 -7.587 0.030 0.357 C7 A1EI0 4 A1EI0 C8 C5 C 0 1 N N N N N N 10.761 -39.046 36.095 -6.382 0.007 -0.585 C8 A1EI0 5 A1EI0 C10 C6 C 0 1 N N N N N N 10.135 -38.189 33.757 -3.895 0.210 -0.721 C10 A1EI0 6 A1EI0 C13 C7 C 0 1 N N N N N N 12.826 -37.516 31.113 -0.128 0.640 -0.051 C13 A1EI0 7 A1EI0 C15 C8 C 0 1 N N N N N N 14.336 -35.475 30.740 2.359 0.843 -0.187 C15 A1EI0 8 A1EI0 C21 C9 C 0 1 N N N N N N 17.312 -32.165 26.599 7.540 -0.020 1.675 C21 A1EI0 9 A1EI0 C22 C10 C 0 1 Y N N N N N 16.916 -32.117 25.141 8.606 -0.582 0.771 C22 A1EI0 10 A1EI0 C24 C11 C 0 1 Y N N N N N 17.528 -31.899 22.814 10.691 -0.334 -0.380 C24 A1EI0 11 A1EI0 C26 C12 C 0 1 Y N N N N N 15.225 -32.048 23.417 9.460 -2.379 -0.562 C26 A1EI0 12 A1EI0 C28 C13 C 0 1 Y N N N N N 15.740 -32.808 28.457 5.506 0.093 0.292 C28 A1EI0 13 A1EI0 C1 C14 C 0 1 N N N N N N 13.839 -41.460 42.690 -15.047 -0.580 0.766 C1 A1EI0 14 A1EI0 C11 C15 C 0 1 N N N N N N 11.459 -38.452 33.060 -2.614 0.437 0.085 C11 A1EI0 15 A1EI0 C12 C16 C 0 1 N N N N N N 11.928 -37.227 32.301 -1.409 0.413 -0.857 C12 A1EI0 16 A1EI0 C14 C17 C 0 1 N N N N N N 13.141 -36.288 30.272 1.078 0.617 -0.993 C14 A1EI0 17 A1EI0 C16 C18 C 0 1 N N N N N N 14.362 -34.078 30.126 3.564 0.820 -1.129 C16 A1EI0 18 A1EI0 C18 C19 C 0 1 Y N N N N N 15.732 -35.017 28.210 5.425 2.233 -0.160 C18 A1EI0 19 A1EI0 C19 C20 C 0 1 Y N N N N N 16.515 -34.503 27.241 6.504 1.981 0.605 C19 A1EI0 20 A1EI0 C2 C21 C 0 1 N N N N N N 13.222 -40.502 41.681 -13.841 -0.603 -0.176 C2 A1EI0 21 A1EI0 C23 C22 C 0 1 Y N N N N N 17.886 -31.994 24.152 9.713 0.182 0.450 C23 A1EI0 22 A1EI0 C25 C23 C 0 1 Y N N N N N 16.198 -31.926 22.447 10.563 -1.613 -0.888 C25 A1EI0 23 A1EI0 C27 C24 C 0 1 Y N N N N N 15.580 -32.143 24.756 8.481 -1.863 0.268 C27 A1EI0 24 A1EI0 C29 C25 C 0 1 N N N N N N 15.461 -31.448 28.957 5.175 -1.376 0.349 C29 A1EI0 25 A1EI0 C3 C26 C 0 1 N N N N N N 11.749 -40.205 41.938 -12.560 -0.376 0.629 C3 A1EI0 26 A1EI0 C9 C27 C 0 1 N N N N N N 9.819 -39.134 34.904 -5.101 0.233 0.221 C9 A1EI0 27 A1EI0 N17 N1 N 0 1 Y N N N N N 15.258 -33.957 28.958 4.791 1.037 -0.358 N17 A1EI0 28 A1EI0 N20 N2 N 1 1 Y N N N N N 16.514 -33.126 27.406 6.527 0.666 0.868 N20 A1EI0 29 A1EI0 H1 H1 H 0 1 N N N N N N 11.443 -38.499 40.682 -11.460 0.390 -1.057 H1 A1EI0 30 A1EI0 H2 H2 H 0 1 N N N N N N 9.975 -39.491 40.977 -11.303 -1.367 -0.813 H2 A1EI0 31 A1EI0 H3 H3 H 0 1 N N N N N N 11.316 -41.327 39.649 -10.125 0.794 0.994 H3 A1EI0 32 A1EI0 H4 H4 H 0 1 N N N N N N 12.242 -39.915 39.034 -9.969 -0.962 1.238 H4 A1EI0 33 A1EI0 H5 H5 H 0 1 N N N N N N 9.893 -38.937 38.471 -8.817 -1.163 -0.949 H5 A1EI0 34 A1EI0 H6 H6 H 0 1 N N N N N N 9.336 -40.637 38.634 -8.974 0.593 -1.193 H6 A1EI0 35 A1EI0 H7 H7 H 0 1 N N N N N N 9.908 -40.956 36.526 -7.639 0.997 0.858 H7 A1EI0 36 A1EI0 H8 H8 H 0 1 N N N N N N 11.623 -40.765 37.023 -7.482 -0.759 1.102 H8 A1EI0 37 A1EI0 H9 H9 H 0 1 N N N N N N 11.796 -38.968 35.729 -6.330 -0.960 -1.085 H9 A1EI0 38 A1EI0 H10 H10 H 0 1 N N N N N N 10.512 -38.151 36.684 -6.487 0.796 -1.329 H10 A1EI0 39 A1EI0 H11 H11 H 0 1 N N N N N N 10.155 -37.164 34.154 -4.001 0.999 -1.465 H11 A1EI0 40 A1EI0 H12 H12 H 0 1 N N N N N N 9.332 -38.277 33.010 -3.844 -0.757 -1.221 H12 A1EI0 41 A1EI0 H13 H13 H 0 1 N N N N N N 12.326 -38.257 30.472 -0.180 1.607 0.449 H13 A1EI0 42 A1EI0 H14 H14 H 0 1 N N N N N N 13.773 -37.933 31.487 -0.023 -0.149 0.693 H14 A1EI0 43 A1EI0 H15 H15 H 0 1 N N N N N N 15.257 -36.004 30.455 2.307 1.810 0.313 H15 A1EI0 44 A1EI0 H16 H16 H 0 1 N N N N N N 14.292 -35.379 31.835 2.464 0.054 0.557 H16 A1EI0 45 A1EI0 H17 H17 H 0 1 N N N N N N 18.371 -32.455 26.661 7.072 -0.831 2.233 H17 A1EI0 46 A1EI0 H18 H18 H 0 1 N N N N N N 17.181 -31.160 27.027 7.990 0.688 2.372 H18 A1EI0 47 A1EI0 H19 H19 H 0 1 N N N N N N 18.293 -31.804 22.058 11.556 0.263 -0.631 H19 A1EI0 48 A1EI0 H20 H20 H 0 1 N N N N N N 14.183 -32.070 23.134 9.362 -3.380 -0.955 H20 A1EI0 49 A1EI0 H21 H21 H 0 1 N N N N N N 14.898 -41.625 42.440 -15.098 0.387 1.266 H21 A1EI0 50 A1EI0 H22 H22 H 0 1 N N N N N N 13.763 -41.028 43.699 -15.959 -0.741 0.192 H22 A1EI0 51 A1EI0 H23 H23 H 0 1 N N N N N N 13.302 -42.419 42.660 -14.941 -1.369 1.510 H23 A1EI0 52 A1EI0 H24 H24 H 0 1 N N N N N N 11.334 -39.286 32.354 -2.666 1.403 0.585 H24 A1EI0 53 A1EI0 H25 H25 H 0 1 N N N N N N 12.215 -38.719 33.813 -2.509 -0.353 0.829 H25 A1EI0 54 A1EI0 H26 H26 H 0 1 N N N N N N 12.483 -36.584 33.000 -1.514 1.202 -1.601 H26 A1EI0 55 A1EI0 H27 H27 H 0 1 N N N N N N 11.040 -36.691 31.935 -1.357 -0.554 -1.357 H27 A1EI0 56 A1EI0 H28 H28 H 0 1 N N N N N N 12.258 -35.632 30.282 1.129 -0.350 -1.493 H28 A1EI0 57 A1EI0 H29 H29 H 0 1 N N N N N N 13.338 -36.622 29.242 0.972 1.406 -1.737 H29 A1EI0 58 A1EI0 H30 H30 H 0 1 N N N N N N 14.697 -33.367 30.896 3.616 -0.147 -1.629 H30 A1EI0 59 A1EI0 H31 H31 H 0 1 N N N N N N 13.341 -33.820 29.808 3.459 1.609 -1.873 H31 A1EI0 60 A1EI0 H32 H32 H 0 1 N N N N N N 15.516 -36.063 28.372 5.118 3.195 -0.543 H32 A1EI0 61 A1EI0 H33 H33 H 0 1 N N N N N N 17.043 -35.058 26.480 7.223 2.710 0.949 H33 A1EI0 62 A1EI0 H34 H34 H 0 1 N N N N N N 13.317 -40.945 40.679 -13.790 -1.570 -0.677 H34 A1EI0 63 A1EI0 H35 H35 H 0 1 N N N N N N 13.779 -39.554 41.717 -13.946 0.186 -0.921 H35 A1EI0 64 A1EI0 H36 H36 H 0 1 N N N N N N 18.930 -31.972 24.428 9.813 1.181 0.846 H36 A1EI0 65 A1EI0 H37 H37 H 0 1 N N N N N N 15.920 -31.852 21.406 11.328 -2.015 -1.536 H37 A1EI0 66 A1EI0 H38 H38 H 0 1 N N N N N N 14.810 -32.238 25.507 7.619 -2.462 0.522 H38 A1EI0 67 A1EI0 H39 H39 H 0 1 N N N N N N 14.571 -31.046 28.451 5.656 -1.889 -0.485 H39 A1EI0 68 A1EI0 H40 H40 H 0 1 N N N N N N 15.280 -31.486 30.041 5.535 -1.794 1.289 H40 A1EI0 69 A1EI0 H41 H41 H 0 1 N N N N N N 16.324 -30.798 28.752 4.095 -1.508 0.282 H41 A1EI0 70 A1EI0 H42 H42 H 0 1 N N N N N N 11.675 -39.549 42.818 -12.455 -1.166 1.374 H42 A1EI0 71 A1EI0 H43 H43 H 0 1 N N N N N N 11.233 -41.155 42.143 -12.612 0.591 1.130 H43 A1EI0 72 A1EI0 H44 H44 H 0 1 N N N N N N 8.802 -38.911 35.258 -5.153 1.200 0.721 H44 A1EI0 73 A1EI0 H45 H45 H 0 1 N N N N N N 9.855 -40.163 34.517 -4.996 -0.556 0.966 H45 A1EI0 74 # 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 A1EI0 C25 C24 DOUB Y N 1 A1EI0 C25 C26 SING Y N 2 A1EI0 C24 C23 SING Y N 3 A1EI0 C26 C27 DOUB Y N 4 A1EI0 C23 C22 DOUB Y N 5 A1EI0 C27 C22 SING Y N 6 A1EI0 C22 C21 SING N N 7 A1EI0 C21 N20 SING N N 8 A1EI0 C19 N20 SING Y N 9 A1EI0 C19 C18 DOUB Y N 10 A1EI0 N20 C28 DOUB Y N 11 A1EI0 C18 N17 SING Y N 12 A1EI0 C28 C29 SING N N 13 A1EI0 C28 N17 SING Y N 14 A1EI0 N17 C16 SING N N 15 A1EI0 C16 C15 SING N N 16 A1EI0 C14 C15 SING N N 17 A1EI0 C14 C13 SING N N 18 A1EI0 C13 C12 SING N N 19 A1EI0 C12 C11 SING N N 20 A1EI0 C11 C10 SING N N 21 A1EI0 C10 C9 SING N N 22 A1EI0 C9 C8 SING N N 23 A1EI0 C8 C7 SING N N 24 A1EI0 C7 C6 SING N N 25 A1EI0 C6 C5 SING N N 26 A1EI0 C5 C4 SING N N 27 A1EI0 C4 C3 SING N N 28 A1EI0 C2 C3 SING N N 29 A1EI0 C2 C1 SING N N 30 A1EI0 C4 H1 SING N N 31 A1EI0 C4 H2 SING N N 32 A1EI0 C5 H3 SING N N 33 A1EI0 C5 H4 SING N N 34 A1EI0 C6 H5 SING N N 35 A1EI0 C6 H6 SING N N 36 A1EI0 C7 H7 SING N N 37 A1EI0 C7 H8 SING N N 38 A1EI0 C8 H9 SING N N 39 A1EI0 C8 H10 SING N N 40 A1EI0 C10 H11 SING N N 41 A1EI0 C10 H12 SING N N 42 A1EI0 C13 H13 SING N N 43 A1EI0 C13 H14 SING N N 44 A1EI0 C15 H15 SING N N 45 A1EI0 C15 H16 SING N N 46 A1EI0 C21 H17 SING N N 47 A1EI0 C21 H18 SING N N 48 A1EI0 C24 H19 SING N N 49 A1EI0 C26 H20 SING N N 50 A1EI0 C1 H21 SING N N 51 A1EI0 C1 H22 SING N N 52 A1EI0 C1 H23 SING N N 53 A1EI0 C11 H24 SING N N 54 A1EI0 C11 H25 SING N N 55 A1EI0 C12 H26 SING N N 56 A1EI0 C12 H27 SING N N 57 A1EI0 C14 H28 SING N N 58 A1EI0 C14 H29 SING N N 59 A1EI0 C16 H30 SING N N 60 A1EI0 C16 H31 SING N N 61 A1EI0 C18 H32 SING N N 62 A1EI0 C19 H33 SING N N 63 A1EI0 C2 H34 SING N N 64 A1EI0 C2 H35 SING N N 65 A1EI0 C23 H36 SING N N 66 A1EI0 C25 H37 SING N N 67 A1EI0 C27 H38 SING N N 68 A1EI0 C29 H39 SING N N 69 A1EI0 C29 H40 SING N N 70 A1EI0 C29 H41 SING N N 71 A1EI0 C3 H42 SING N N 72 A1EI0 C3 H43 SING N N 73 A1EI0 C9 H44 SING N N 74 A1EI0 C9 H45 SING N N 75 # 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 A1EI0 InChI InChI 1.06 "InChI=1S/C27H45N2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-19-22-28-23-24-29(26(28)2)25-27-20-17-16-18-21-27/h16-18,20-21,23-24H,3-15,19,22,25H2,1-2H3/q+1" A1EI0 InChIKey InChI 1.06 ZZXUNAFAKNKXFW-UHFFFAOYSA-N A1EI0 SMILES_CANONICAL CACTVS 3.385 "CCCCCCCCCCCCCCCCn1cc[n+](Cc2ccccc2)c1C" A1EI0 SMILES CACTVS 3.385 "CCCCCCCCCCCCCCCCn1cc[n+](Cc2ccccc2)c1C" A1EI0 SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "CCCCCCCCCCCCCCCCn1cc[n+](c1C)Cc2ccccc2" A1EI0 SMILES "OpenEye OEToolkits" 2.0.7 "CCCCCCCCCCCCCCCCn1cc[n+](c1C)Cc2ccccc2" # _pdbx_chem_comp_identifier.comp_id A1EI0 _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 "1-hexadecyl-2-methyl-3-(phenylmethyl)imidazol-3-ium" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1EI0 "Create component" 2025-01-02 PDBC A1EI0 "Initial release" 2026-01-07 RCSB #