data_LYB
# 
_chem_comp.id                                    LYB 
_chem_comp.name                                  "2-{4-[4-(4-{4-[2-(2-AMINO-4-OXO-4,7-DIHYDRO-3H-PYRROLO[2,3-D]PYRIMIDIN-5-YL)-ETHYL]-BENZOYLAMINO}-4-CARBOXY-BUTYRYLAMINO)-4-CARBOXY-BUTYRYLAMINO}-PENTANEDIOIC ACID" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C35 H42 N8 O15" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         "LY231514 TETRA GLU" 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2001-08-27 
_chem_comp.pdbx_modified_date                    2008-10-14 
_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                        814.753 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     LYB 
_chem_comp.pdbx_model_coordinates_details        ? 
_chem_comp.pdbx_model_coordinates_missing_flag   Y 
_chem_comp.pdbx_ideal_coordinates_details        ? 
_chem_comp.pdbx_ideal_coordinates_missing_flag   N 
_chem_comp.pdbx_model_coordinates_db_code        1JTU 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
# 
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 
LYB N1   N1   N 0 1 Y N N 14.427 19.054 32.859 -1.697  -5.868  -6.609 N1   LYB 1   
LYB C1   C1   C 0 1 Y N N 13.464 19.100 31.845 -0.448  -5.259  -6.849 C1   LYB 2   
LYB N2   N2   N 0 1 Y N N 13.566 18.368 30.692 0.328   -4.831  -5.879 N2   LYB 3   
LYB C3   C3   C 0 1 Y N N 14.699 17.519 30.570 -0.189  -5.032  -4.643 C3   LYB 4   
LYB C4   C4   C 0 1 Y N N 15.615 17.349 31.604 -1.391  -5.612  -4.295 C4   LYB 5   
LYB C5   C5   C 0 1 Y N N 15.529 18.160 32.795 -2.257  -6.088  -5.345 C5   LYB 6   
LYB N3   N3   N 0 1 Y N N 14.968 16.616 29.546 0.446   -4.665  -3.488 N3   LYB 7   
LYB C6   C6   C 0 1 Y N N 16.056 15.829 29.971 -0.338  -5.005  -2.412 C6   LYB 8   
LYB C7   C7   C 0 1 Y N N 16.469 16.257 31.217 -1.465  -5.586  -2.906 C7   LYB 9   
LYB C8   C8   C 0 1 N N N 17.598 15.637 32.009 -2.602  -6.114  -2.066 C8   LYB 10  
LYB C9   C9   C 0 1 N N N 17.328 14.165 32.347 -2.430  -7.594  -1.672 C9   LYB 11  
LYB C10  C10  C 0 1 Y N N 16.235 14.034 33.388 -3.554  -8.141  -0.859 C10  LYB 12  
LYB C11  C11  C 0 1 Y N N 14.893 13.881 33.001 -3.511  -8.062  0.533  C11  LYB 13  
LYB C12  C12  C 0 1 Y N N 13.896 13.737 33.970 -4.562  -8.574  1.294  C12  LYB 14  
LYB C13  C13  C 0 1 Y N N 14.213 13.740 35.354 -5.633  -9.153  0.646  C13  LYB 15  
LYB C14  C14  C 0 1 Y N N 15.568 13.901 35.733 -5.700  -9.244  -0.729 C14  LYB 16  
LYB C15  C15  C 0 1 Y N N 16.564 14.045 34.755 -4.649  -8.733  -1.490 C15  LYB 17  
LYB C16  C16  C 0 1 N N N 13.153 13.430 36.383 -6.752  -9.699  1.456  C16  LYB 18  
LYB O1   O1   O 0 1 N N N 16.249 18.094 33.792 -3.344  -6.618  -5.145 O1   LYB 19  
LYB N4   N4   N 0 1 N N N 12.309 20.027 31.983 -0.095  -5.143  -8.168 N4   LYB 20  
LYB C17  C17  C 0 1 N N S 12.655 12.849 38.786 -9.180  -10.208 1.500  C17  LYB 21  
LYB C18  C18  C 0 1 N N N 12.191 11.414 38.608 -10.457 -9.571  0.945  C18  LYB 22  
LYB C19  C19  C 0 1 N N N 13.413 10.515 38.572 -10.512 -8.054  1.134  C19  LYB 23  
LYB C20  C20  C 0 1 N N N 13.020 9.103  38.347 -11.794 -7.423  0.618  C20  LYB 24  
LYB C21  C21  C 0 1 N N N 13.396 12.988 40.080 -9.212  -11.710 1.298  C21  LYB 25  
LYB O2   O2   O 0 1 N N N 13.019 8.589  37.235 -12.692 -8.064  0.078  O2   LYB 26  
LYB O3   O3   O 0 1 N N N 12.745 12.814 41.242 -8.843  -12.294 0.288  O3   LYB 27  
LYB O4   O4   O 0 1 N N N 14.593 13.253 40.081 -9.753  -12.353 2.366  O4   LYB 28  
LYB N5   N5   N 0 1 N N N 13.567 13.230 37.682 -7.994  -9.730  0.837  N5   LYB 29  
LYB O5   O5   O 0 1 N N N 11.944 13.287 36.129 -6.535  -10.068 2.608  O5   LYB 30  
LYB C22  C22  C 0 1 N N S 13.311 2.168  43.045 -13.912 -2.232  5.875  C22  LYB 31  
LYB C23  C23  C 0 1 N N N 12.100 1.340  43.470 -14.808 -2.694  7.028  C23  LYB 32  
LYB C24  C24  C 0 1 N N N 12.356 0.537  44.752 -16.236 -3.026  6.592  C24  LYB 33  
LYB C25  C25  C 0 1 N N N 11.121 -0.266 45.103 -16.957 -1.862  5.931  C25  LYB 34  
LYB C26  C26  C 0 1 N N N 14.548 1.327  42.821 -12.525 -1.900  6.389  C26  LYB 35  
LYB O6   O6   O 0 1 N N N 9.985  0.041  44.734 -16.451 -0.753  5.782  O6   LYB 36  
LYB N8   N8   N 0 1 N N N ?      ?      ?      -18.246 -2.208  5.553  N8   LYB 37  
LYB O8   O8   O 0 1 N N N 15.696 1.758  43.374 -12.413 -0.590  6.732  O8   LYB 38  
LYB O9   O9   O 0 1 N N N 14.561 0.317  42.117 -11.613 -2.704  6.531  O9   LYB 39  
LYB C27  C27  C 0 1 N N S 12.451 6.927  39.345 -12.893 -5.207  0.383  C27  LYB 40  
LYB C28  C28  C 0 1 N N N 12.405 6.297  40.737 -13.016 -3.936  1.228  C28  LYB 41  
LYB C29  C29  C 0 1 N N N 12.163 4.792  40.617 -13.314 -4.213  2.702  C29  LYB 42  
LYB C30  C30  C 0 1 N N N 12.430 4.117  41.922 -13.474 -2.953  3.538  C30  LYB 43  
LYB C31  C31  C 0 1 N N N 11.198 6.645  38.547 -12.623 -4.850  -1.066 C31  LYB 44  
LYB O10  O10  O 0 1 N N N 12.260 4.632  43.030 -13.352 -1.820  3.080  O10  LYB 45  
LYB N6   N6   N 0 1 N N N 12.950 2.871  41.815 -13.743 -3.252  4.866  N6   LYB 46  
LYB O11  O11  O 0 1 N N N 11.199 5.532  37.792 -11.517 -4.644  -1.548 O11  LYB 47  
LYB O12  O12  O 0 1 N N N 10.201 7.364  38.566 -13.773 -4.730  -1.781 O12  LYB 48  
LYB N7   N7   N 0 1 N N N 12.735 8.368  39.453 -11.800 -6.049  0.809  N7   LYB 49  
LYB O7   O7   O 0 1 N N N 11.302 -1.357 45.869 -21.569 0.667   8.011  O7   LYB 50  
LYB O13  O13  O 0 1 N N N ?      ?      ?      -22.244 -1.338  8.840  O13  LYB 51  
LYB O14  O14  O 0 1 N N N ?      ?      ?      -19.773 -3.377  3.988  O14  LYB 52  
LYB O15  O15  O 0 1 N N N ?      ?      ?      -20.836 -1.544  3.180  O15  LYB 53  
LYB C32  C32  C 0 1 N N R ?      ?      ?      -19.152 -1.273  4.927  C32  LYB 54  
LYB C33  C33  C 0 1 N N N ?      ?      ?      -19.994 -0.504  5.958  C33  LYB 55  
LYB C34  C34  C 0 1 N N N ?      ?      ?      -20.841 -1.355  6.909  C34  LYB 56  
LYB C35  C35  C 0 1 N N N ?      ?      ?      -21.570 -0.556  7.960  C35  LYB 57  
LYB C36  C36  C 0 1 N N N ?      ?      ?      -20.013 -2.040  3.940  C36  LYB 58  
LYB HN1  HN1  H 0 1 N N N 14.337 19.664 33.646 -2.234  -6.170  -7.417 HN1  LYB 59  
LYB HN3  HN3  H 0 1 N N N 14.482 16.540 28.675 1.350   -4.215  -3.434 HN3  LYB 60  
LYB HC6  HC6  H 0 1 N N N 16.498 15.018 29.410 -0.003  -4.794  -1.406 HC6  LYB 61  
LYB HC81 1HC8 H 0 0 N N N 18.519 15.696 31.411 -2.674  -5.498  -1.160 HC81 LYB 62  
LYB HC82 2HC8 H 0 0 N N N 17.693 16.190 32.955 -3.553  -5.972  -2.596 HC82 LYB 63  
LYB HC91 1HC9 H 0 0 N N N 17.014 13.641 31.432 -1.491  -7.692  -1.102 HC91 LYB 64  
LYB HC92 2HC9 H 0 0 N N N 18.251 13.724 32.752 -2.273  -8.202  -2.580 HC92 LYB 65  
LYB H11  H11  H 0 1 N N N 14.631 13.875 31.953 -2.662  -7.603  1.032  H11  LYB 66  
LYB H12  H12  H 0 1 N N N 12.868 13.622 33.661 -4.518  -8.505  2.377  H12  LYB 67  
LYB H14  H14  H 0 1 N N N 15.836 13.913 36.779 -6.548  -9.702  -1.232 H14  LYB 68  
LYB H15  H15  H 0 1 N N N 17.594 14.166 35.056 -4.692  -8.799  -2.574 H15  LYB 69  
LYB HN41 1HN4 H 0 0 N N N 12.368 20.512 32.855 -0.744  -5.446  -8.857 HN41 LYB 70  
LYB HN42 2HN4 H 0 0 N N N 11.583 20.147 31.306 0.796   -4.761  -8.386 HN42 LYB 71  
LYB H17  H17  H 0 1 N N N 11.771 13.503 38.784 -9.039  -9.991  2.564  H17  LYB 72  
LYB H181 1H18 H 0 0 N N N 11.541 11.126 39.447 -10.534 -9.789  -0.129 H181 LYB 73  
LYB H182 2H18 H 0 0 N N N 11.623 11.315 37.671 -11.336 -10.032 1.414  H182 LYB 74  
LYB H191 1H19 H 0 0 N N N 14.073 10.839 37.754 -10.376 -7.790  2.189  H191 LYB 75  
LYB H192 2H19 H 0 0 N N N 13.934 10.588 39.538 -9.685  -7.600  0.574  H192 LYB 76  
LYB HO4  HO4  H 0 1 N N N 14.907 13.299 40.976 -9.830  -13.327 2.272  HO4  LYB 77  
LYB HN5  HN5  H 0 1 N N N 14.538 13.349 37.891 -8.105  -9.348  -0.099 HN5  LYB 78  
LYB H22  H22  H 0 1 N N N 13.563 2.870  43.854 -14.322 -1.360  5.357  H22  LYB 79  
LYB H231 1H23 H 0 0 N N N 11.257 2.023  43.650 -14.371 -3.589  7.491  H231 LYB 80  
LYB H232 2H23 H 0 0 N N N 11.884 0.624  42.663 -14.831 -1.926  7.811  H232 LYB 81  
LYB H241 1H24 H 0 0 N N N 13.204 -0.146 44.593 -16.245 -3.889  5.917  H241 LYB 82  
LYB H242 2H24 H 0 0 N N N 12.589 1.228  45.576 -16.820 -3.300  7.479  H242 LYB 83  
LYB HN8  HN8  H 0 1 N N N ?      ?      ?      -18.566 -3.157  5.723  HN8  LYB 84  
LYB HO8  HO8  H 0 1 N N N 16.406 1.178  43.124 -11.544 -0.328  7.105  HO8  LYB 85  
LYB H27  H27  H 0 1 N N N 13.272 6.459  38.782 -13.793 -5.828  0.438  H27  LYB 86  
LYB H281 1H28 H 0 0 N N N 13.363 6.473  41.249 -12.079 -3.366  1.165  H281 LYB 87  
LYB H282 2H28 H 0 0 N N N 11.587 6.752  41.315 -13.796 -3.286  0.810  H282 LYB 88  
LYB H291 1H29 H 0 0 N N N 11.117 4.616  40.327 -14.211 -4.834  2.806  H291 LYB 89  
LYB H292 2H29 H 0 0 N N N 12.842 4.380  39.856 -12.476 -4.775  3.132  H292 LYB 90  
LYB HN6  HN6  H 0 1 N N N 13.083 2.444  40.921 -13.824 -4.226  5.140  HN6  LYB 91  
LYB HO2  HO2  H 0 1 N N N 9.533  6.995  38.001 -13.657 -4.465  -2.718 HO2  LYB 92  
LYB HN7  HN7  H 0 1 N N N 12.718 8.810  40.350 -11.003 -5.617  1.269  HN7  LYB 93  
LYB HO3  HO3  H 0 1 N N N ?      ?      ?      -22.739 -0.853  9.534  HO3  LYB 94  
LYB HO5  HO5  H 0 1 N N N ?      ?      ?      -20.306 -3.921  3.369  HO5  LYB 95  
LYB H32  H32  H 0 1 N N N ?      ?      ?      -18.541 -0.562  4.357  H32  LYB 96  
LYB H331 1H33 H 0 0 N N N ?      ?      ?      -20.636 0.212   5.429  H331 LYB 97  
LYB H332 2H33 H 0 0 N N N ?      ?      ?      -19.316 0.099   6.576  H332 LYB 98  
LYB H341 1H34 H 0 0 N N N ?      ?      ?      -21.573 -1.956  6.360  H341 LYB 99  
LYB H342 2H34 H 0 0 N N N ?      ?      ?      -20.199 -2.074  7.433  H342 LYB 100 
# 
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 
LYB N1  C1   SING Y N 1   
LYB N1  C5   SING Y N 2   
LYB N1  HN1  SING N N 3   
LYB C1  N2   DOUB Y N 4   
LYB C1  N4   SING N N 5   
LYB N2  C3   SING Y N 6   
LYB C3  C4   DOUB Y N 7   
LYB C3  N3   SING Y N 8   
LYB C4  C5   SING Y N 9   
LYB C4  C7   SING Y N 10  
LYB C5  O1   DOUB N N 11  
LYB N3  C6   SING Y N 12  
LYB N3  HN3  SING N N 13  
LYB C6  C7   DOUB Y N 14  
LYB C6  HC6  SING N N 15  
LYB C7  C8   SING N N 16  
LYB C8  C9   SING N N 17  
LYB C8  HC81 SING N N 18  
LYB C8  HC82 SING N N 19  
LYB C9  C10  SING N N 20  
LYB C9  HC91 SING N N 21  
LYB C9  HC92 SING N N 22  
LYB C10 C11  DOUB Y N 23  
LYB C10 C15  SING Y N 24  
LYB C11 C12  SING Y N 25  
LYB C11 H11  SING N N 26  
LYB C12 C13  DOUB Y N 27  
LYB C12 H12  SING N N 28  
LYB C13 C14  SING Y N 29  
LYB C13 C16  SING N N 30  
LYB C14 C15  DOUB Y N 31  
LYB C14 H14  SING N N 32  
LYB C15 H15  SING N N 33  
LYB C16 N5   SING N N 34  
LYB C16 O5   DOUB N N 35  
LYB N4  HN41 SING N N 36  
LYB N4  HN42 SING N N 37  
LYB C17 C18  SING N N 38  
LYB C17 C21  SING N N 39  
LYB C17 N5   SING N N 40  
LYB C17 H17  SING N N 41  
LYB C18 C19  SING N N 42  
LYB C18 H181 SING N N 43  
LYB C18 H182 SING N N 44  
LYB C19 C20  SING N N 45  
LYB C19 H191 SING N N 46  
LYB C19 H192 SING N N 47  
LYB C20 O2   DOUB N N 48  
LYB C20 N7   SING N N 49  
LYB C21 O3   DOUB N N 50  
LYB C21 O4   SING N N 51  
LYB O4  HO4  SING N N 52  
LYB N5  HN5  SING N N 53  
LYB C22 C23  SING N N 54  
LYB C22 C26  SING N N 55  
LYB C22 N6   SING N N 56  
LYB C22 H22  SING N N 57  
LYB C23 C24  SING N N 58  
LYB C23 H231 SING N N 59  
LYB C23 H232 SING N N 60  
LYB C24 C25  SING N N 61  
LYB C24 H241 SING N N 62  
LYB C24 H242 SING N N 63  
LYB C25 O6   DOUB N N 64  
LYB C25 N8   SING N N 65  
LYB C26 O8   SING N N 66  
LYB C26 O9   DOUB N N 67  
LYB N8  C32  SING N N 68  
LYB N8  HN8  SING N N 69  
LYB O8  HO8  SING N N 70  
LYB C27 C28  SING N N 71  
LYB C27 C31  SING N N 72  
LYB C27 N7   SING N N 73  
LYB C27 H27  SING N N 74  
LYB C28 C29  SING N N 75  
LYB C28 H281 SING N N 76  
LYB C28 H282 SING N N 77  
LYB C29 C30  SING N N 78  
LYB C29 H291 SING N N 79  
LYB C29 H292 SING N N 80  
LYB C30 O10  DOUB N N 81  
LYB C30 N6   SING N N 82  
LYB C31 O11  DOUB N N 83  
LYB C31 O12  SING N N 84  
LYB N6  HN6  SING N N 85  
LYB O12 HO2  SING N N 86  
LYB N7  HN7  SING N N 87  
LYB O7  C35  DOUB N N 88  
LYB O13 C35  SING N N 89  
LYB O13 HO3  SING N N 90  
LYB O14 C36  SING N N 91  
LYB O14 HO5  SING N N 92  
LYB O15 C36  DOUB N N 93  
LYB C32 C33  SING N N 94  
LYB C32 C36  SING N N 95  
LYB C32 H32  SING N N 96  
LYB C33 C34  SING N N 97  
LYB C33 H331 SING N N 98  
LYB C33 H332 SING N N 99  
LYB C34 C35  SING N N 100 
LYB C34 H341 SING N N 101 
LYB C34 H342 SING N N 102 
# 
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 
LYB SMILES           ACDLabs              10.04 O=C(O)C(NC(=O)CCC(C(=O)O)NC(=O)CCC(C(=O)O)NC(=O)CCC(C(=O)O)NC(=O)c1ccc(cc1)CCc2cnc3N=C(NC(=O)c23)N)CCC(=O)O 
LYB InChI            InChI                1.02b 
;InChI=1/C35H42N8O15/c36-35-42-28-27(30(50)43-35)18(15-37-28)6-3-16-1-4-17(5-2-16)29(49)41-22(34(57)58)9-13-25(46)39-20(32(53)54)7-11-23(44)38-19(31(51)52)8-12-24(45)40-21(33(55)56)10-14-26(47)48/h1-2,4-5,15,19-22H,3,6-14H2,(H,38,44)(H,39,46)(H,40,45)(H,41,49)(H,47,48)(H,51,52)(H,53,54)(H,55,56)(H,57,58)(H4,36,37,42,43,50)/t19-,20-,21?,22-/m0/s1/f/h37-41,43,47,51,53,55,57H,36H2
;
LYB InChIKey         InChI                1.02b DICHBVJYDUDAIQ-AKQRVJBCDN 
LYB SMILES_CANONICAL CACTVS               3.341 NC1=Nc2[nH]cc(CCc3ccc(cc3)C(=O)N[C@@H](CCC(=O)N[C@@H](CCC(=O)N[C@@H](CCC(=O)NC(CCC(O)=O)C(O)=O)C(O)=O)C(O)=O)C(O)=O)c2C(=O)N1 
LYB SMILES           CACTVS               3.341 NC1=Nc2[nH]cc(CCc3ccc(cc3)C(=O)N[CH](CCC(=O)N[CH](CCC(=O)N[CH](CCC(=O)NC(CCC(O)=O)C(O)=O)C(O)=O)C(O)=O)C(O)=O)c2C(=O)N1 
LYB SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 c1cc(ccc1CCc2c[nH]c3c2C(=O)NC(=N3)N)C(=O)N[C@@H](CCC(=O)N[C@@H](CCC(=O)N[C@@H](CCC(=O)N[C@H](CCC(=O)O)C(=O)O)C(=O)O)C(=O)O)C(=O)O 
LYB SMILES           "OpenEye OEToolkits" 1.5.0 c1cc(ccc1CCc2c[nH]c3c2C(=O)NC(=N3)N)C(=O)NC(CCC(=O)NC(CCC(=O)NC(CCC(=O)NC(CCC(=O)O)C(=O)O)C(=O)O)C(=O)O)C(=O)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 
LYB "SYSTEMATIC NAME" ACDLabs              10.04 "N-({4-[2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl}carbonyl)-L-gamma-glutamyl-L-gamma-glutamyl-L-gamma-glutamylglutamic acid" 
LYB "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 
"(2R)-2-[[(4S)-4-[[(4S)-4-[[(4S)-4-[[4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[5,4-d]pyrimidin-5-yl)ethyl]phenyl]carbonylamino]-5-hydroxy-5-oxo-pentanoyl]amino]-5-hydroxy-5-oxo-pentanoyl]amino]-5-hydroxy-5-oxo-pentanoyl]amino]pentanedioic acid" 
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