data_TS2
#
_chem_comp.id TS2
_chem_comp.name "2-AMINO-4-[4-(4-AMINO-4-CARBOXY-BUTYRYLAMINO)-5,8,19,22-TETRAOXO-1,2-DITHIA-6,9,13,18,21-PENTAAZA-CYCLOTETRACOS-23-YLCARBAMOYL]-BUTYRIC ACID"
_chem_comp.type NON-POLYMER
_chem_comp.pdbx_type HETAIN
_chem_comp.formula "C27 H47 N9 O10 S2"
_chem_comp.mon_nstd_parent_comp_id ?
_chem_comp.pdbx_synonyms "RING WITH GLUTATHIONE AND SPERMIDINE"
_chem_comp.pdbx_formal_charge 0
_chem_comp.pdbx_initial_date 1999-07-08
_chem_comp.pdbx_modified_date 2021-03-01
_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 721.846
_chem_comp.one_letter_code ?
_chem_comp.three_letter_code TS2
_chem_comp.pdbx_model_coordinates_details ?
_chem_comp.pdbx_model_coordinates_missing_flag N
_chem_comp.pdbx_ideal_coordinates_details ?
_chem_comp.pdbx_ideal_coordinates_missing_flag N
_chem_comp.pdbx_model_coordinates_db_code 3GRT
_chem_comp.pdbx_subcomponent_list ?
_chem_comp.pdbx_processing_site EBI
# #
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
TS2 N1 N1 N 0 1 N N N 69.163 36.142 18.753 -3.501 0.584 9.323 N1 TS2 1
TS2 CA1 CA1 C 0 1 N N S 69.396 35.426 17.471 -3.741 -0.697 8.647 CA1 TS2 2
TS2 C1 C1 C 0 1 N N N 69.744 36.390 16.315 -3.461 -1.829 9.602 C1 TS2 3
TS2 OE1 OE1 O 0 1 N N N 69.886 37.604 16.593 -2.632 -1.694 10.471 OE1 TS2 4
TS2 OE2 OE2 O 0 1 N N N 69.913 35.932 15.154 -4.130 -2.986 9.486 OE2 TS2 5
TS2 CB1 CB1 C 0 1 N N N 68.181 34.578 17.138 -2.819 -0.813 7.432 CB1 TS2 6
TS2 CG1 CG1 C 0 1 N N N 67.096 35.285 16.349 -3.104 0.335 6.463 CG1 TS2 7
TS2 CD1 CD1 C 0 1 N N N 66.428 36.458 17.073 -2.195 0.220 5.266 CD1 TS2 8
TS2 O1 O1 O 0 1 N N N 67.053 37.284 17.754 -1.398 -0.690 5.196 O1 TS2 9
TS2 N2 N2 N 0 1 N N N 65.116 36.516 16.910 -2.269 1.130 4.275 N2 TS2 10
TS2 CA2 CA2 C 0 1 N N R 64.309 37.575 17.480 -1.385 1.018 3.112 CA2 TS2 11
TS2 C2 C2 C 0 1 N N N 62.900 37.006 17.658 -0.111 1.779 3.374 C2 TS2 12
TS2 O2 O2 O 0 1 N N N 62.270 37.165 18.729 0.210 2.708 2.664 O2 TS2 13
TS2 CB2 CB2 C 0 1 N N N 64.283 38.717 16.473 -2.084 1.603 1.882 CB2 TS2 14
TS2 SG2 SG2 S 0 1 N N N 62.687 39.576 16.375 -2.810 0.259 0.903 SG2 TS2 15
TS2 N3 N3 N 0 1 N N N 62.445 36.340 16.584 0.675 1.402 4.425 N3 TS2 16
TS2 CA3 CA3 C 0 1 N N N 61.141 35.692 16.448 1.907 2.200 4.615 CA3 TS2 17
TS2 C3 C3 C 0 1 N N N 60.281 35.544 17.673 3.099 1.322 4.329 C3 TS2 18
TS2 O3 O3 O 0 1 N N N 59.308 36.288 17.867 3.111 0.166 4.694 O3 TS2 19
TS2 N4 N4 N 0 1 N N N 61.574 41.476 21.764 0.519 -1.170 -4.157 N4 TS2 20
TS2 CA4 CA4 C 0 1 N N N 60.706 41.887 22.864 1.732 -2.001 -4.012 CA4 TS2 21
TS2 C4 C4 C 0 1 N N N 59.593 40.981 23.406 2.816 -1.168 -3.378 C4 TS2 22
TS2 O4 O4 O 0 1 N N N 58.446 41.421 23.405 2.601 -0.018 -3.058 O4 TS2 23
TS2 C5 C5 C 0 1 N N N 62.019 42.294 20.806 -0.334 -1.151 -3.098 C5 TS2 24
TS2 O5 O5 O 0 1 N N N 61.725 43.497 20.728 -0.093 -1.799 -2.102 O5 TS2 25
TS2 CA5 CA5 C 0 1 N N R 62.917 41.666 19.734 -1.585 -0.314 -3.180 CA5 TS2 26
TS2 N5 N5 N 0 1 N N N 63.280 40.237 19.915 -2.356 -0.702 -4.364 N5 TS2 27
TS2 CB5 CB5 C 0 1 N N N 62.213 41.882 18.392 -2.431 -0.538 -1.925 CB5 TS2 28
TS2 SG5 SG5 S 0 1 N N N 63.182 41.491 16.901 -2.539 1.009 -0.985 SG5 TS2 29
TS2 CA6 CA6 C 0 1 N N S 64.572 37.028 23.097 -3.293 -0.043 -9.192 CA6 TS2 30
TS2 C6 C6 C 0 1 N N N 63.367 37.739 23.779 -2.860 0.790 -10.370 C6 TS2 31
TS2 OE6 OE6 O 0 1 N N N 62.852 37.119 24.746 -1.959 0.411 -11.080 OE6 TS2 32
TS2 OE7 OE7 O 0 1 N N N 62.922 38.853 23.373 -3.474 1.956 -10.629 OE7 TS2 33
TS2 N6 N6 N 0 1 N N N 64.195 35.684 22.534 -3.058 -1.463 -9.486 N6 TS2 34
TS2 CB6 CB6 C 0 1 N N N 65.289 37.905 22.052 -2.489 0.361 -7.956 CB6 TS2 35
TS2 CG6 CG6 C 0 1 N N N 64.442 38.315 20.843 -2.929 -0.485 -6.760 CG6 TS2 36
TS2 CD6 CD6 C 0 1 N N N 64.169 39.819 20.819 -2.137 -0.086 -5.542 CD6 TS2 37
TS2 O6 O6 O 0 1 N N N 64.744 40.581 21.608 -1.302 0.789 -5.623 O6 TS2 38
TS2 "N1'" "N1'" N 0 1 N N N 59.958 39.750 23.821 4.044 -1.728 -3.169 "N1'" TS2 39
TS2 "C1'" "C1'" C 0 1 N N N 59.125 38.680 24.387 5.049 -0.837 -2.546 "C1'" TS2 40
TS2 "C2'" "C2'" C 0 1 N N N 59.867 37.317 24.728 5.959 -1.677 -1.648 "C2'" TS2 41
TS2 "N2'" "N2'" N 0 1 N N N 59.634 35.923 22.427 7.860 -0.632 -0.511 "N2'" TS2 42
TS2 "C3'" "C3'" C 0 1 N N N 60.431 36.563 23.486 7.403 -1.191 -1.790 "C3'" TS2 43
TS2 "C4'" "C4'" C 0 1 N N N 59.740 34.480 22.737 6.782 0.237 -0.020 "C4'" TS2 44
TS2 "C5'" "C5'" C 0 1 N N N 60.857 33.667 22.009 6.657 0.085 1.497 "C5'" TS2 45
TS2 "C6'" "C6'" C 0 1 N N N 60.456 33.179 20.587 5.948 1.310 2.076 "C6'" TS2 46
TS2 "C7'" "C7'" C 0 1 N N N 59.888 34.319 19.758 5.299 0.939 3.411 "C7'" TS2 47
TS2 "N3'" "N3'" N 0 1 N N N 60.630 34.586 18.525 4.160 1.846 3.658 "N3'" TS2 48
TS2 HN11 1HN1 H 0 0 N N N 68.933 35.505 19.516 -3.600 1.304 8.623 HN11 TS2 49
TS2 HN12 2HN1 H 0 0 N N N 68.449 36.863 18.647 -2.533 0.585 9.607 HN12 TS2 50
TS2 HA1 HA1 H 0 1 N N N 70.283 34.762 17.598 -4.780 -0.746 8.321 HA1 TS2 51
TS2 HO2 HO2 H 0 1 N N N 70.127 36.524 14.443 -3.950 -3.713 10.098 HO2 TS2 52
TS2 HB11 1HB1 H 0 0 N N N 68.495 33.648 16.609 -1.780 -0.764 7.759 HB11 TS2 53
TS2 HB12 2HB1 H 0 0 N N N 67.753 34.138 18.069 -2.997 -1.765 6.931 HB12 TS2 54
TS2 HG11 1HG1 H 0 0 N N N 67.493 35.618 15.361 -4.143 0.285 6.137 HG11 TS2 55
TS2 HG12 2HG1 H 0 0 N N N 66.326 34.552 16.011 -2.926 1.286 6.965 HG12 TS2 56
TS2 HN2 HN2 H 0 1 N N N 64.731 35.753 16.351 -2.906 1.859 4.332 HN2 TS2 57
TS2 HA2 HA2 H 0 1 N N N 64.704 37.942 18.455 -1.152 -0.030 2.932 HA2 TS2 58
TS2 HB21 1HB2 H 0 0 N N N 65.105 39.440 16.679 -2.872 2.285 2.202 HB21 TS2 59
TS2 HB22 2HB2 H 0 0 N N N 64.597 38.358 15.465 -1.359 2.144 1.275 HB22 TS2 60
TS2 HN3 HN3 H 0 1 N N N 63.129 36.325 15.827 0.441 0.663 5.008 HN3 TS2 61
TS2 HA31 1HA3 H 0 0 N N N 60.556 36.217 15.656 1.955 2.560 5.642 HA31 TS2 62
TS2 HA32 2HA3 H 0 0 N N N 61.282 34.689 15.981 1.904 3.047 3.928 HA32 TS2 63
TS2 HN4 HN4 H 0 1 N N N 61.904 40.517 21.653 0.341 -0.665 -4.966 HN4 TS2 64
TS2 HA41 1HA4 H 0 0 N N N 61.358 42.173 23.721 1.513 -2.860 -3.378 HA41 TS2 65
TS2 HA42 2HA4 H 0 0 N N N 60.243 42.862 22.585 2.061 -2.342 -4.994 HA42 TS2 66
TS2 HA5 HA5 H 0 1 N N N 63.907 42.174 19.802 -1.314 0.738 -3.252 HA5 TS2 67
TS2 HN5 HN5 H 0 1 N N N 62.882 39.472 19.368 -3.023 -1.403 -4.300 HN5 TS2 68
TS2 HB51 1HB5 H 0 0 N N N 61.252 41.316 18.375 -1.968 -1.307 -1.307 HB51 TS2 69
TS2 HB52 2HB5 H 0 0 N N N 61.832 42.928 18.330 -3.432 -0.858 -2.214 HB52 TS2 70
TS2 HA6 HA6 H 0 1 N N N 65.313 36.851 23.910 -4.355 0.117 -9.004 HA6 TS2 71
TS2 HO7 HO7 H 0 1 N N N 62.186 39.287 23.789 -3.195 2.491 -11.385 HO7 TS2 72
TS2 HN61 1HN6 H 0 0 N N N 64.984 35.218 22.087 -2.068 -1.565 -9.652 HN61 TS2 73
TS2 HN62 2HN6 H 0 0 N N N 63.402 35.760 21.896 -3.263 -1.972 -8.639 HN62 TS2 74
TS2 HB61 1HB6 H 0 0 N N N 65.717 38.810 22.542 -2.663 1.415 -7.738 HB61 TS2 75
TS2 HB62 2HB6 H 0 0 N N N 66.224 37.403 21.710 -1.427 0.200 -8.144 HB62 TS2 76
TS2 HG61 1HG6 H 0 0 N N N 64.906 37.972 19.888 -2.755 -1.539 -6.978 HG61 TS2 77
TS2 HG62 2HG6 H 0 0 N N N 63.493 37.730 20.796 -3.991 -0.324 -6.572 HG62 TS2 78
TS2 "HN1'" "'HN1" H 0 0 N N N 60.961 39.615 23.694 4.243 -2.646 -3.412 "HN1'" TS2 79
TS2 "H1'1" "1H1'" H 0 0 N N N 58.592 39.055 25.291 5.644 -0.357 -3.323 "H1'1" TS2 80
TS2 "H1'2" "2H1'" H 0 0 N N N 58.260 38.479 23.712 4.544 -0.079 -1.948 "H1'2" TS2 81
TS2 "H2'1" "1H2'" H 0 0 N N N 60.674 37.490 25.477 5.641 -1.575 -0.611 "H2'1" TS2 82
TS2 "H2'2" "2H2'" H 0 0 N N N 59.199 36.647 25.318 5.898 -2.724 -1.946 "H2'2" TS2 83
TS2 "HN2'" "'HN2" H 0 0 N N N 59.914 36.172 21.478 7.927 -1.404 0.135 "HN2'" TS2 84
TS2 "H3'1" "1H3'" H 0 0 N N N 61.122 37.272 22.974 8.043 -2.028 -2.069 "H3'1" TS2 85
TS2 "H3'2" "2H3'" H 0 0 N N N 61.118 35.778 23.879 7.454 -0.422 -2.561 "H3'2" TS2 86
TS2 "H4'1" "1H4'" H 0 0 N N N 59.845 34.346 23.838 7.013 1.274 -0.263 "H4'1" TS2 87
TS2 "H4'2" "2H4'" H 0 0 N N N 58.753 33.991 22.560 5.842 -0.047 -0.493 "H4'2" TS2 88
TS2 "H5'1" "1H5'" H 0 0 N N N 61.805 34.251 21.969 6.080 -0.810 1.725 "H5'1" TS2 89
TS2 "H5'2" "2H5'" H 0 0 N N N 61.191 32.809 22.638 7.651 -0.001 1.936 "H5'2" TS2 90
TS2 "H6'1" "1H6'" H 0 0 N N N 61.307 32.679 20.069 6.672 2.109 2.234 "H6'1" TS2 91
TS2 "H6'2" "2H6'" H 0 0 N N N 59.753 32.314 20.632 5.180 1.648 1.380 "H6'2" TS2 92
TS2 "H7'1" "1H7'" H 0 0 N N N 58.809 34.141 19.535 4.943 -0.090 3.371 "H7'1" TS2 93
TS2 "H7'2" "2H7'" H 0 0 N N N 59.803 35.245 20.372 6.029 1.044 4.213 "H7'2" TS2 94
TS2 "HN3'" "'HN3" H 0 0 N N N 61.456 34.062 18.236 4.169 2.768 3.357 "HN3'" TS2 95
# #
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
TS2 N1 CA1 SING N N 1
TS2 N1 HN11 SING N N 2
TS2 N1 HN12 SING N N 3
TS2 CA1 C1 SING N N 4
TS2 CA1 CB1 SING N N 5
TS2 CA1 HA1 SING N N 6
TS2 C1 OE1 DOUB N N 7
TS2 C1 OE2 SING N N 8
TS2 OE2 HO2 SING N N 9
TS2 CB1 CG1 SING N N 10
TS2 CB1 HB11 SING N N 11
TS2 CB1 HB12 SING N N 12
TS2 CG1 CD1 SING N N 13
TS2 CG1 HG11 SING N N 14
TS2 CG1 HG12 SING N N 15
TS2 CD1 O1 DOUB N N 16
TS2 CD1 N2 SING N N 17
TS2 N2 CA2 SING N N 18
TS2 N2 HN2 SING N N 19
TS2 CA2 C2 SING N N 20
TS2 CA2 CB2 SING N N 21
TS2 CA2 HA2 SING N N 22
TS2 C2 O2 DOUB N N 23
TS2 C2 N3 SING N N 24
TS2 CB2 SG2 SING N N 25
TS2 CB2 HB21 SING N N 26
TS2 CB2 HB22 SING N N 27
TS2 SG2 SG5 SING N N 28
TS2 N3 CA3 SING N N 29
TS2 N3 HN3 SING N N 30
TS2 CA3 C3 SING N N 31
TS2 CA3 HA31 SING N N 32
TS2 CA3 HA32 SING N N 33
TS2 C3 O3 DOUB N N 34
TS2 C3 "N3'" SING N N 35
TS2 N4 CA4 SING N N 36
TS2 N4 C5 SING N N 37
TS2 N4 HN4 SING N N 38
TS2 CA4 C4 SING N N 39
TS2 CA4 HA41 SING N N 40
TS2 CA4 HA42 SING N N 41
TS2 C4 O4 DOUB N N 42
TS2 C4 "N1'" SING N N 43
TS2 C5 O5 DOUB N N 44
TS2 C5 CA5 SING N N 45
TS2 CA5 N5 SING N N 46
TS2 CA5 CB5 SING N N 47
TS2 CA5 HA5 SING N N 48
TS2 N5 CD6 SING N N 49
TS2 N5 HN5 SING N N 50
TS2 CB5 SG5 SING N N 51
TS2 CB5 HB51 SING N N 52
TS2 CB5 HB52 SING N N 53
TS2 CA6 C6 SING N N 54
TS2 CA6 N6 SING N N 55
TS2 CA6 CB6 SING N N 56
TS2 CA6 HA6 SING N N 57
TS2 C6 OE6 DOUB N N 58
TS2 C6 OE7 SING N N 59
TS2 OE7 HO7 SING N N 60
TS2 N6 HN61 SING N N 61
TS2 N6 HN62 SING N N 62
TS2 CB6 CG6 SING N N 63
TS2 CB6 HB61 SING N N 64
TS2 CB6 HB62 SING N N 65
TS2 CG6 CD6 SING N N 66
TS2 CG6 HG61 SING N N 67
TS2 CG6 HG62 SING N N 68
TS2 CD6 O6 DOUB N N 69
TS2 "N1'" "C1'" SING N N 70
TS2 "N1'" "HN1'" SING N N 71
TS2 "C1'" "C2'" SING N N 72
TS2 "C1'" "H1'1" SING N N 73
TS2 "C1'" "H1'2" SING N N 74
TS2 "C2'" "C3'" SING N N 75
TS2 "C2'" "H2'1" SING N N 76
TS2 "C2'" "H2'2" SING N N 77
TS2 "N2'" "C3'" SING N N 78
TS2 "N2'" "C4'" SING N N 79
TS2 "N2'" "HN2'" SING N N 80
TS2 "C3'" "H3'1" SING N N 81
TS2 "C3'" "H3'2" SING N N 82
TS2 "C4'" "C5'" SING N N 83
TS2 "C4'" "H4'1" SING N N 84
TS2 "C4'" "H4'2" SING N N 85
TS2 "C5'" "C6'" SING N N 86
TS2 "C5'" "H5'1" SING N N 87
TS2 "C5'" "H5'2" SING N N 88
TS2 "C6'" "C7'" SING N N 89
TS2 "C6'" "H6'1" SING N N 90
TS2 "C6'" "H6'2" SING N N 91
TS2 "C7'" "N3'" SING N N 92
TS2 "C7'" "H7'1" SING N N 93
TS2 "C7'" "H7'2" SING N N 94
TS2 "N3'" "HN3'" SING N N 95
# #
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
TS2 SMILES ACDLabs 10.04 "O=C(O)C(N)CCC(=O)NC1C(=O)NCC(=O)NCCCCNCCCNC(=O)CNC(=O)C(NC(=O)CCC(C(=O)O)N)CSSC1"
TS2 SMILES_CANONICAL CACTVS 3.341 "N[C@@H](CCC(=O)N[C@H]1CSSC[C@H](NC(=O)CC[C@H](N)C(O)=O)C(=O)NCC(=O)NCCCNCCCCNC(=O)CNC1=O)C(O)=O"
TS2 SMILES CACTVS 3.341 "N[CH](CCC(=O)N[CH]1CSSC[CH](NC(=O)CC[CH](N)C(O)=O)C(=O)NCC(=O)NCCCNCCCCNC(=O)CNC1=O)C(O)=O"
TS2 SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C1CCNC(=O)CNC(=O)[C@H](CSSC[C@@H](C(=O)NCC(=O)NCCCNC1)NC(=O)CC[C@@H](C(=O)O)N)NC(=O)CC[C@@H](C(=O)O)N"
TS2 SMILES "OpenEye OEToolkits" 1.5.0 "C1CCNC(=O)CNC(=O)C(CSSCC(C(=O)NCC(=O)NCCCNC1)NC(=O)CCC(C(=O)O)N)NC(=O)CCC(C(=O)O)N"
TS2 InChI InChI 1.03 "InChI=1S/C27H47N9O10S2/c28-16(26(43)44)4-6-20(37)35-18-14-47-48-15-19(36-21(38)7-5-17(29)27(45)46)25(42)34-13-23(40)32-11-3-9-30-8-1-2-10-31-22(39)12-33-24(18)41/h16-19,30H,1-15,28-29H2,(H,31,39)(H,32,40)(H,33,41)(H,34,42)(H,35,37)(H,36,38)(H,43,44)(H,45,46)/t16-,17-,18-,19-/m0/s1"
TS2 InChIKey InChI 1.03 LZMSXDHGHZKXJD-VJANTYMQSA-N
# #
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
TS2 "SYSTEMATIC NAME" ACDLabs 10.04 "(2S,2'S)-5,5'-{[(4R,23R)-5,8,19,22-tetraoxo-1,2-dithia-6,9,13,18,21-pentaazacyclotetracosane-4,23-diyl]diimino}bis(2-amino-5-oxopentanoic acid) (non-preferred name)"
TS2 "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-5-[[(4R,23R)-4-[[(4S)-4-amino-5-hydroxy-5-oxo-pentanoyl]amino]-5,8,19,22-tetraoxo-1,2-dithia-6,9,13,18,21-pentazacyclotetracos-23-yl]amino]-5-oxo-pentanoic 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
TS2 "Create component" 1999-07-08 EBI
TS2 "Modify descriptor" 2011-06-04 RCSB
TS2 "Modify synonyms" 2021-03-01 PDBE
#
_pdbx_chem_comp_synonyms.ordinal 1
_pdbx_chem_comp_synonyms.comp_id TS2
_pdbx_chem_comp_synonyms.name "RING WITH GLUTATHIONE AND SPERMIDINE"
_pdbx_chem_comp_synonyms.provenance ?
_pdbx_chem_comp_synonyms.type ?
##