data_A1EYK # _chem_comp.id A1EYK _chem_comp.name "(4~{E},6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-4,6,8,10,12,14,16,18,20,22,26,30-dodecaen-2-ol" _chem_comp.type non-polymer _chem_comp.pdbx_type HETAIN _chem_comp.formula "C40 H58 O" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms Demethylspheroidene _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 2025-09-21 _chem_comp.pdbx_modified_date 2026-03-06 _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 554.888 _chem_comp.one_letter_code ? _chem_comp.three_letter_code A1EYK _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 9WQV _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 A1EYK C1 C1 C 0 1 N N N N N N 194.907 156.534 150.478 -16.125 0.707 0.773 C1 A1EYK 1 A1EYK C2 C2 C 0 1 N N N N N N 193.434 156.170 150.216 -15.326 0.072 -0.367 C2 A1EYK 2 A1EYK C3 C3 C 0 1 N N N N N N 195.822 155.740 149.567 -17.476 0.001 0.905 C3 A1EYK 3 A1EYK C4 C4 C 0 1 N N N N N N 195.259 156.287 151.932 -15.346 0.567 2.082 C4 A1EYK 4 A1EYK C10 C5 C 0 1 N N N N N N 170.483 145.810 146.450 11.910 -0.739 1.041 C10 A1EYK 5 A1EYK C11 C6 C 0 1 N N N N N N 193.024 154.751 150.462 -13.950 0.684 -0.418 C11 A1EYK 6 A1EYK C12 C7 C 0 1 N N N N N N 171.354 146.919 149.190 8.636 -2.164 -0.281 C12 A1EYK 7 A1EYK C13 C8 C 0 1 N N N N N N 169.169 144.050 145.244 11.103 0.974 2.582 C13 A1EYK 8 A1EYK C14 C9 C 0 1 N N N N N N 171.707 145.033 141.800 14.744 2.805 0.314 C14 A1EYK 9 A1EYK C15 C10 C 0 1 N N N N N N 191.777 154.304 150.349 -12.868 -0.099 -0.363 C15 A1EYK 10 A1EYK C16 C11 C 0 1 N N N N N N 172.973 145.373 141.587 15.325 2.860 -0.859 C16 A1EYK 11 A1EYK C17 C12 C 0 1 N N N N N N 170.738 148.287 149.278 8.479 -3.658 -0.168 C17 A1EYK 12 A1EYK C18 C13 C 0 1 N N N N N N 191.306 152.999 150.564 -11.573 0.477 -0.411 C18 A1EYK 13 A1EYK C19 C14 C 0 1 N N N N N N 172.666 146.714 149.301 7.554 -1.381 -0.337 C19 A1EYK 14 A1EYK C20 C15 C 0 1 N N N N N N 173.740 146.287 142.491 14.604 2.353 -2.081 C20 A1EYK 15 A1EYK C21 C16 C 0 1 N N N N N N 173.753 144.852 140.419 16.713 3.431 -0.987 C21 A1EYK 16 A1EYK C22 C17 C 0 1 N N N N N N 192.237 151.900 150.957 -11.417 1.971 -0.524 C22 A1EYK 17 A1EYK C23 C18 C 0 1 N N N N N N 173.599 147.712 149.494 6.259 -1.956 -0.289 C23 A1EYK 18 A1EYK C24 C19 C 0 1 N N N N N N 189.932 152.753 150.392 -10.473 -0.319 -0.354 C24 A1EYK 19 A1EYK C25 C20 C 0 1 N N N N N N 174.982 147.482 149.599 5.159 -1.160 -0.345 C25 A1EYK 20 A1EYK C26 C21 C 0 1 N N N N N N 189.252 151.529 150.516 -9.190 0.251 -0.402 C26 A1EYK 21 A1EYK C27 C22 C 0 1 N N N N N N 175.999 148.439 149.768 3.875 -1.731 -0.297 C27 A1EYK 22 A1EYK C28 C23 C 0 1 N N N N N N 187.859 151.405 150.365 -8.085 -0.548 -0.345 C28 A1EYK 23 A1EYK C29 C24 C 0 1 N N N N N N 175.669 149.893 149.850 3.719 -3.226 -0.184 C29 A1EYK 24 A1EYK C30 C25 C 0 1 N N N N N N 187.083 150.235 150.438 -6.805 0.021 -0.393 C30 A1EYK 25 A1EYK C31 C26 C 0 1 N N N N N N 177.335 148.009 149.843 2.771 -0.932 -0.354 C31 A1EYK 26 A1EYK C32 C27 C 0 1 N N N N N N 185.691 150.361 150.303 -5.690 -0.785 -0.336 C32 A1EYK 27 A1EYK C33 C28 C 0 1 N N N N N N 187.716 148.900 150.643 -6.648 1.516 -0.506 C33 A1EYK 28 A1EYK C34 C29 C 0 1 N N N N N N 178.488 148.808 149.953 1.490 -1.501 -0.306 C34 A1EYK 29 A1EYK C35 C30 C 0 1 N N N N N N 184.725 149.341 150.324 -4.411 -0.217 -0.383 C35 A1EYK 30 A1EYK C36 C31 C 0 1 N N N N N N 179.801 148.350 150.044 0.376 -0.694 -0.364 C36 A1EYK 31 A1EYK C37 C32 C 0 1 N N N N N N 182.297 148.654 150.225 -2.018 -0.456 -0.373 C37 A1EYK 32 A1EYK C38 C33 C 0 1 N N N N N N 183.345 149.590 150.218 -3.296 -1.024 -0.326 C38 A1EYK 33 A1EYK C39 C34 C 0 1 N N N N N N 180.975 149.121 150.111 -0.903 -1.263 -0.316 C39 A1EYK 34 A1EYK C40 C35 C 0 1 N N N N N N 182.579 147.192 150.337 -1.862 1.039 -0.487 C40 A1EYK 35 A1EYK C5 C36 C 0 1 N N N N N N 171.345 144.957 144.288 13.496 1.049 1.542 C5 A1EYK 36 A1EYK C6 C37 C 0 1 N N N N N N 170.331 144.993 145.406 12.158 0.372 1.689 C6 A1EYK 37 A1EYK C7 C38 C 0 1 N N N N N N 169.601 145.939 147.655 10.534 -1.351 1.092 C7 A1EYK 38 A1EYK C8 C39 C 0 1 N N N N N N 170.378 145.791 148.965 10.012 -1.552 -0.332 C8 A1EYK 39 A1EYK C9 C40 C 0 1 N N N N N N 170.806 145.422 142.933 13.406 2.128 0.461 C9 A1EYK 40 A1EYK O1 O1 O 0 1 N N N N N N 195.126 157.929 150.210 -16.337 2.092 0.491 O1 A1EYK 41 A1EYK H1 H1 H 0 1 N N N N N N 193.220 156.398 149.161 -15.241 -1.001 -0.196 H1 A1EYK 42 A1EYK H2 H2 H 0 1 N N N N N N 192.815 156.810 150.863 -15.838 0.250 -1.313 H2 A1EYK 43 A1EYK H3 H3 H 0 1 N N N N N N 195.678 154.665 149.748 -18.045 0.454 1.717 H3 A1EYK 44 A1EYK H4 H4 H 0 1 N N N N N N 195.584 155.970 148.518 -18.031 0.101 -0.028 H4 A1EYK 45 A1EYK H5 H5 H 0 1 N N N N N N 196.868 156.009 149.773 -17.314 -1.056 1.119 H5 A1EYK 46 A1EYK H6 H6 H 0 1 N N N N N N 194.586 156.870 152.577 -14.384 1.070 1.988 H6 A1EYK 47 A1EYK H7 H7 H 0 1 N N N N N N 195.148 155.216 152.159 -15.915 1.019 2.894 H7 A1EYK 48 A1EYK H8 H8 H 0 1 N N N N N N 196.299 156.595 152.115 -15.184 -0.490 2.297 H8 A1EYK 49 A1EYK H9 H9 H 0 1 N N N N N N 171.347 146.457 146.423 12.693 -1.217 0.470 H9 A1EYK 50 A1EYK H10 H10 H 0 1 N N N N N N 193.790 154.046 150.749 -13.838 1.755 -0.499 H10 A1EYK 51 A1EYK H11 H11 H 0 1 N N N N N N 168.491 144.151 146.104 11.516 1.841 3.098 H11 A1EYK 52 A1EYK H12 H12 H 0 1 N N N N N N 168.626 144.293 144.319 10.249 1.283 1.979 H12 A1EYK 53 A1EYK H13 H13 H 0 1 N N N N N N 169.541 143.016 145.190 10.782 0.234 3.315 H13 A1EYK 54 A1EYK H14 H14 H 0 1 N N N N N N 171.266 144.388 141.055 15.225 3.244 1.176 H14 A1EYK 55 A1EYK H15 H15 H 0 1 N N N N N N 191.036 155.033 150.056 -12.980 -1.170 -0.281 H15 A1EYK 56 A1EYK H16 H16 H 0 1 N N N N N N 171.527 149.035 149.442 8.438 -4.096 -1.165 H16 A1EYK 57 A1EYK H17 H17 H 0 1 N N N N N N 170.209 148.512 148.340 9.329 -4.072 0.376 H17 A1EYK 58 A1EYK H18 H18 H 0 1 N N N N N N 170.026 148.315 150.116 7.558 -3.887 0.368 H18 A1EYK 59 A1EYK H19 H19 H 0 1 N N N N N N 173.024 145.697 149.235 7.666 -0.310 -0.418 H19 A1EYK 60 A1EYK H20 H20 H 0 1 N N N N N N 173.091 146.618 143.315 13.641 2.856 -2.170 H20 A1EYK 61 A1EYK H21 H21 H 0 1 N N N N N N 174.609 145.752 142.901 15.203 2.557 -2.968 H21 A1EYK 62 A1EYK H22 H22 H 0 1 N N N N N N 174.084 147.163 141.921 14.445 1.278 -1.990 H22 A1EYK 63 A1EYK H23 H23 H 0 1 N N N N N N 174.772 145.265 140.445 17.069 3.744 -0.005 H23 A1EYK 64 A1EYK H24 H24 H 0 1 N N N N N N 173.801 143.754 140.470 17.383 2.672 -1.391 H24 A1EYK 65 A1EYK H25 H25 H 0 1 N N N N N N 173.259 145.154 139.484 16.692 4.291 -1.656 H25 A1EYK 66 A1EYK H26 H26 H 0 1 N N N N N N 191.671 150.964 151.075 -11.376 2.409 0.473 H26 A1EYK 67 A1EYK H27 H27 H 0 1 N N N N N N 193.001 151.771 150.177 -10.496 2.200 -1.060 H27 A1EYK 68 A1EYK H28 H28 H 0 1 N N N N N N 192.725 152.156 151.909 -12.266 2.385 -1.068 H28 A1EYK 69 A1EYK H29 H29 H 0 1 N N N N N N 173.246 148.730 149.569 6.147 -3.027 -0.207 H29 A1EYK 70 A1EYK H30 H30 H 0 1 N N N N N N 189.326 153.608 150.133 -10.585 -1.390 -0.273 H30 A1EYK 71 A1EYK H31 H31 H 0 1 N N N N N N 175.300 146.451 149.543 5.271 -0.089 -0.426 H31 A1EYK 72 A1EYK H32 H32 H 0 1 N N N N N N 189.826 150.642 150.738 -9.078 1.322 -0.483 H32 A1EYK 73 A1EYK H33 H33 H 0 1 N N N N N N 187.320 152.320 150.169 -8.197 -1.619 -0.264 H33 A1EYK 74 A1EYK H34 H34 H 0 1 N N N N N N 176.595 150.473 149.981 3.685 -3.509 0.868 H34 A1EYK 75 A1EYK H35 H35 H 0 1 N N N N N N 175.168 150.208 148.923 2.795 -3.532 -0.673 H35 A1EYK 76 A1EYK H36 H36 H 0 1 N N N N N N 175.001 150.070 150.706 4.565 -3.717 -0.665 H36 A1EYK 77 A1EYK H37 H37 H 0 1 N N N N N N 177.495 146.941 149.813 2.883 0.139 -0.435 H37 A1EYK 78 A1EYK H38 H38 H 0 1 N N N N N N 185.317 151.365 150.166 -5.802 -1.857 -0.254 H38 A1EYK 79 A1EYK H39 H39 H 0 1 N N N N N N 188.806 149.019 150.724 -6.607 1.953 0.491 H39 A1EYK 80 A1EYK H40 H40 H 0 1 N N N N N N 187.327 148.448 151.567 -5.727 1.745 -1.042 H40 A1EYK 81 A1EYK H41 H41 H 0 1 N N N N N N 187.481 148.248 149.789 -7.497 1.930 -1.050 H41 A1EYK 82 A1EYK H42 H42 H 0 1 N N N N N N 178.341 149.878 149.968 1.378 -2.572 -0.225 H42 A1EYK 83 A1EYK H43 H43 H 0 1 N N N N N N 185.058 148.319 150.426 -4.299 0.854 -0.464 H43 A1EYK 84 A1EYK H44 H44 H 0 1 N N N N N N 179.932 147.278 150.066 0.488 0.377 -0.445 H44 A1EYK 85 A1EYK H45 H45 H 0 1 N N N N N N 183.056 150.626 150.119 -3.408 -2.095 -0.245 H45 A1EYK 86 A1EYK H46 H46 H 0 1 N N N N N N 180.847 150.193 150.070 -1.015 -2.334 -0.235 H46 A1EYK 87 A1EYK H47 H47 H 0 1 N N N N N N 183.664 147.032 150.416 -1.820 1.477 0.511 H47 A1EYK 88 A1EYK H48 H48 H 0 1 N N N N N N 182.083 146.791 151.233 -0.941 1.268 -1.023 H48 A1EYK 89 A1EYK H49 H49 H 0 1 N N N N N N 182.197 146.676 149.444 -2.711 1.453 -1.030 H49 A1EYK 90 A1EYK H50 H50 H 0 1 N N N N N N 171.702 143.922 144.180 13.778 1.507 2.490 H50 A1EYK 91 A1EYK H51 H51 H 0 1 N N N N N N 172.187 145.608 144.566 14.247 0.311 1.257 H51 A1EYK 92 A1EYK H52 H52 H 0 1 N N N N N N 169.122 146.929 147.638 10.583 -2.314 1.600 H52 A1EYK 93 A1EYK H53 H53 H 0 1 N N N N N N 168.828 145.157 147.612 9.861 -0.687 1.635 H53 A1EYK 94 A1EYK H54 H54 H 0 1 N N N N N N 169.662 145.773 149.800 10.685 -2.215 -0.876 H54 A1EYK 95 A1EYK H55 H55 H 0 1 N N N N N N 170.935 144.843 148.939 9.963 -0.589 -0.840 H55 A1EYK 96 A1EYK H56 H56 H 0 1 N N N N N N 170.709 146.518 142.948 12.656 2.866 0.746 H56 A1EYK 97 A1EYK H57 H57 H 0 1 N N N N N N 169.817 144.968 142.771 13.124 1.670 -0.487 H57 A1EYK 98 A1EYK H58 H58 H 0 1 N N N N N N 194.563 158.452 150.769 -16.838 2.560 1.173 H58 A1EYK 99 # 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 A1EYK C21 C16 SING N N 1 A1EYK C16 C14 DOUB N N 2 A1EYK C16 C20 SING N N 3 A1EYK C14 C9 SING N N 4 A1EYK C9 C5 SING N N 5 A1EYK C5 C6 SING N N 6 A1EYK C13 C6 SING N N 7 A1EYK C6 C10 DOUB N E 8 A1EYK C10 C7 SING N N 9 A1EYK C7 C8 SING N N 10 A1EYK C8 C12 SING N N 11 A1EYK C12 C17 SING N N 12 A1EYK C12 C19 DOUB N E 13 A1EYK C19 C23 SING N N 14 A1EYK C23 C25 DOUB N E 15 A1EYK C3 C1 SING N N 16 A1EYK C25 C27 SING N N 17 A1EYK C27 C31 DOUB N E 18 A1EYK C27 C29 SING N N 19 A1EYK C31 C34 SING N N 20 A1EYK C34 C36 DOUB N E 21 A1EYK C36 C39 SING N N 22 A1EYK C39 C37 DOUB N E 23 A1EYK O1 C1 SING N N 24 A1EYK C2 C11 SING N N 25 A1EYK C2 C1 SING N N 26 A1EYK C38 C37 SING N N 27 A1EYK C38 C35 DOUB N E 28 A1EYK C37 C40 SING N N 29 A1EYK C32 C35 SING N N 30 A1EYK C32 C30 DOUB N E 31 A1EYK C15 C11 DOUB N E 32 A1EYK C15 C18 SING N N 33 A1EYK C28 C30 SING N N 34 A1EYK C28 C26 DOUB N E 35 A1EYK C24 C26 SING N N 36 A1EYK C24 C18 DOUB N E 37 A1EYK C30 C33 SING N N 38 A1EYK C1 C4 SING N N 39 A1EYK C18 C22 SING N N 40 A1EYK C2 H1 SING N N 41 A1EYK C2 H2 SING N N 42 A1EYK C3 H3 SING N N 43 A1EYK C3 H4 SING N N 44 A1EYK C3 H5 SING N N 45 A1EYK C4 H6 SING N N 46 A1EYK C4 H7 SING N N 47 A1EYK C4 H8 SING N N 48 A1EYK C10 H9 SING N N 49 A1EYK C11 H10 SING N N 50 A1EYK C13 H11 SING N N 51 A1EYK C13 H12 SING N N 52 A1EYK C13 H13 SING N N 53 A1EYK C14 H14 SING N N 54 A1EYK C15 H15 SING N N 55 A1EYK C17 H16 SING N N 56 A1EYK C17 H17 SING N N 57 A1EYK C17 H18 SING N N 58 A1EYK C19 H19 SING N N 59 A1EYK C20 H20 SING N N 60 A1EYK C20 H21 SING N N 61 A1EYK C20 H22 SING N N 62 A1EYK C21 H23 SING N N 63 A1EYK C21 H24 SING N N 64 A1EYK C21 H25 SING N N 65 A1EYK C22 H26 SING N N 66 A1EYK C22 H27 SING N N 67 A1EYK C22 H28 SING N N 68 A1EYK C23 H29 SING N N 69 A1EYK C24 H30 SING N N 70 A1EYK C25 H31 SING N N 71 A1EYK C26 H32 SING N N 72 A1EYK C28 H33 SING N N 73 A1EYK C29 H34 SING N N 74 A1EYK C29 H35 SING N N 75 A1EYK C29 H36 SING N N 76 A1EYK C31 H37 SING N N 77 A1EYK C32 H38 SING N N 78 A1EYK C33 H39 SING N N 79 A1EYK C33 H40 SING N N 80 A1EYK C33 H41 SING N N 81 A1EYK C34 H42 SING N N 82 A1EYK C35 H43 SING N N 83 A1EYK C36 H44 SING N N 84 A1EYK C38 H45 SING N N 85 A1EYK C39 H46 SING N N 86 A1EYK C40 H47 SING N N 87 A1EYK C40 H48 SING N N 88 A1EYK C40 H49 SING N N 89 A1EYK C5 H50 SING N N 90 A1EYK C5 H51 SING N N 91 A1EYK C7 H52 SING N N 92 A1EYK C7 H53 SING N N 93 A1EYK C8 H54 SING N N 94 A1EYK C8 H55 SING N N 95 A1EYK C9 H56 SING N N 96 A1EYK C9 H57 SING N N 97 A1EYK O1 H58 SING N N 98 # 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 A1EYK InChI InChI 1.06 "InChI=1S/C40H58O/c1-33(2)19-13-22-36(5)25-16-28-37(6)26-14-23-34(3)20-11-12-21-35(4)24-15-27-38(7)29-17-30-39(8)31-18-32-40(9,10)41/h11-12,14-15,17-21,23-27,29-31,41H,13,16,22,28,32H2,1-10H3/b12-11+,23-14+,24-15+,29-17+,31-18+,34-20+,35-21+,36-25+,37-26+,38-27+,39-30+" A1EYK InChIKey InChI 1.06 IKOGZSUEGBDVQU-XZXJNJSQSA-N A1EYK SMILES_CANONICAL CACTVS 3.385 "CC(C)=CCCC(/C)=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/CC(C)(C)O" A1EYK SMILES CACTVS 3.385 "CC(C)=CCCC(C)=CCCC(C)=CC=CC(C)=CC=CC=C(C)C=CC=C(C)C=CC=C(C)C=CCC(C)(C)O" A1EYK SMILES_CANONICAL "OpenEye OEToolkits" 2.0.7 "CC(=CCC/C(=C/CC/C(=C/C=C/C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C=C(\C)/C=C/CC(C)(C)O)/C)/C)/C)C" A1EYK SMILES "OpenEye OEToolkits" 2.0.7 "CC(=CCCC(=CCCC(=CC=CC(=CC=CC=C(C)C=CC=C(C)C=CC=C(C)C=CCC(C)(C)O)C)C)C)C" # _pdbx_chem_comp_identifier.comp_id A1EYK _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 "(4~{E},6~{E},8~{E},10~{E},12~{E},14~{E},16~{E},18~{E},20~{E},22~{E},26~{E})-2,6,10,14,19,23,27,31-octamethyldotriaconta-4,6,8,10,12,14,16,18,20,22,26,30-dodecaen-2-ol" # loop_ _pdbx_chem_comp_audit.comp_id _pdbx_chem_comp_audit.action_type _pdbx_chem_comp_audit.date _pdbx_chem_comp_audit.processing_site A1EYK "Create component" 2025-09-21 PDBC A1EYK "Initial release" 2026-03-11 RCSB # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id A1EYK _pdbx_chem_comp_synonyms.name Demethylspheroidene _pdbx_chem_comp_synonyms.provenance PUBCHEM _pdbx_chem_comp_synonyms.type ? #