data_PRDCC_001118 # _chem_comp.id PRD_001118 _chem_comp.name "Peptide aldehyde inhibitor Ac-DSFDQ-H" _chem_comp.formula "C27 H38 N6 O12" _chem_comp.formula_weight 638.624 _chem_comp.pdbx_release_status REF_ONLY _chem_comp.type peptide-like _chem_comp.pdbx_type ? _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms ? _chem_comp.pdbx_formal_charge ? _chem_comp.pdbx_initial_date ? _chem_comp.pdbx_modified_date ? _chem_comp.pdbx_ambiguous_flag ? _chem_comp.pdbx_replaced_by ? _chem_comp.pdbx_replaces ? _chem_comp.one_letter_code ? _chem_comp.three_letter_code ? _chem_comp.pdbx_model_coordinates_details ? _chem_comp.pdbx_model_coordinates_missing_flag ? _chem_comp.pdbx_ideal_coordinates_details ? _chem_comp.pdbx_ideal_coordinates_missing_flag ? _chem_comp.pdbx_model_coordinates_db_code ? _chem_comp.pdbx_subcomponent_list ? _chem_comp.pdbx_pcm ? _chem_comp.pdbx_processing_site ? # 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_comp_id _chem_comp_atom.pdbx_residue_numbering _chem_comp_atom.pdbx_component_atom_id _chem_comp_atom.pdbx_polymer_type _chem_comp_atom.pdbx_ref_id _chem_comp_atom.pdbx_component_id _chem_comp_atom.pdbx_ordinal _chem_comp_atom.pdbx_backbone_atom_flag _chem_comp_atom.pdbx_n_terminal_atom_flag _chem_comp_atom.pdbx_c_terminal_atom_flag PRD_001118 C1 C1 C 0 1 N N N 21.618 10.672 20.259 7.819 -3.025 0.046 ACE 1 C polymer 1 1 1 ? ? ? PRD_001118 O1 O1 O 0 1 N N N 20.895 11.167 19.384 7.367 -3.353 1.122 ACE 1 O polymer 1 1 2 ? ? ? PRD_001118 C2 C2 C 0 1 N N N 22.936 11.310 20.642 8.717 -3.968 -0.713 ACE 1 CH3 polymer 1 1 3 ? ? ? PRD_001118 N1 N1 N 0 1 N N N 21.265 9.583 20.951 7.514 -1.820 -0.475 ASP 2 N polymer 1 1 4 ? ? ? PRD_001118 C3 C3 C 0 1 N N S 21.434 8.415 20.401 6.555 -0.948 0.209 ASP 2 CA polymer 1 1 5 ? ? ? PRD_001118 C4 C4 C 0 1 N N N 20.127 7.647 20.585 5.152 -1.372 -0.143 ASP 2 C polymer 1 1 6 ? ? ? PRD_001118 O2 O2 O 0 1 N N N 19.295 8.008 21.424 4.971 -2.310 -0.890 ASP 2 O polymer 1 1 7 ? ? ? PRD_001118 C5 C5 C 0 1 N N N 22.551 7.745 21.218 6.777 0.499 -0.234 ASP 2 CB polymer 1 1 8 ? ? ? PRD_001118 C6 C6 C 0 1 N N N 23.933 7.875 20.567 8.129 0.968 0.239 ASP 2 CG polymer 1 1 9 ? ? ? PRD_001118 O3 O3 O 0 1 N N N 24.018 8.085 19.334 8.800 0.257 0.949 ASP 2 OD1 polymer 1 1 10 ? ? ? PRD_001118 O4 O4 O 0 1 N N N 24.940 7.750 21.299 8.588 2.174 -0.130 ASP 2 OD2 polymer 1 1 11 ? ? ? PRD_001118 N2 N2 N 0 1 N N N 19.957 6.591 19.790 4.099 -0.709 0.374 SER 3 N polymer 1 1 12 ? ? ? PRD_001118 C7 C7 C 0 1 N N S 18.815 5.670 19.896 2.735 -1.120 0.032 SER 3 CA polymer 1 1 13 ? ? ? PRD_001118 C8 C8 C 0 1 N N N 19.120 4.490 20.836 1.802 0.053 0.189 SER 3 C polymer 1 1 14 ? ? ? PRD_001118 O5 O5 O 0 1 N N N 20.255 4.340 21.294 2.234 1.127 0.550 SER 3 O polymer 1 1 15 ? ? ? PRD_001118 C9 C9 C 0 1 N N N 18.435 5.154 18.505 2.295 -2.250 0.966 SER 3 CB polymer 1 1 16 ? ? ? PRD_001118 O6 O6 O 0 1 N N N 19.586 4.765 17.770 2.217 -1.758 2.305 SER 3 OG polymer 1 1 17 ? ? ? PRD_001118 N3 N3 N 0 1 N N N 18.112 3.658 21.125 0.488 -0.092 -0.073 PHE 4 N polymer 1 1 18 ? ? ? PRD_001118 C10 C10 C 0 1 N N S 18.290 2.528 22.052 -0.419 1.049 0.079 PHE 4 CA polymer 1 1 19 ? ? ? PRD_001118 C11 C11 C 0 1 N N N 17.453 1.299 21.686 -1.816 0.548 0.338 PHE 4 C polymer 1 1 20 ? ? ? PRD_001118 O7 O7 O 0 1 N N N 16.220 1.326 21.761 -2.034 -0.644 0.390 PHE 4 O polymer 1 1 21 ? ? ? PRD_001118 C12 C12 C 0 1 N N N 17.998 2.950 23.504 -0.406 1.885 -1.202 PHE 4 CB polymer 1 1 22 ? ? ? PRD_001118 C13 C13 C 0 1 Y N N 18.811 2.201 24.542 0.962 2.486 -1.395 PHE 4 CG polymer 1 1 23 ? ? ? PRD_001118 C14 C14 C 0 1 Y N N 19.730 2.880 25.345 1.925 1.798 -2.110 PHE 4 CD1 polymer 1 1 24 ? ? ? PRD_001118 C15 C15 C 0 1 Y N N 18.660 0.824 24.723 1.253 3.729 -0.863 PHE 4 CD2 polymer 1 1 25 ? ? ? PRD_001118 C16 C16 C 0 1 Y N N 20.483 2.200 26.314 3.180 2.350 -2.287 PHE 4 CE1 polymer 1 1 26 ? ? ? PRD_001118 C17 C17 C 0 1 Y N N 19.417 0.140 25.681 2.508 4.280 -1.040 PHE 4 CE2 polymer 1 1 27 ? ? ? PRD_001118 C18 C18 C 0 1 Y N N 20.327 0.831 26.478 3.472 3.590 -1.750 PHE 4 CZ polymer 1 1 28 ? ? ? PRD_001118 N4 N4 N 0 1 N N N 18.147 0.219 21.326 -2.825 1.425 0.511 ASP 5 N polymer 1 1 29 ? ? ? PRD_001118 C19 C19 C 0 1 N N S 17.519 -1.045 20.933 -4.161 0.944 0.873 ASP 5 CA polymer 1 1 30 ? ? ? PRD_001118 C20 C20 C 0 1 N N N 17.017 -1.852 22.141 -4.881 0.482 -0.367 ASP 5 C polymer 1 1 31 ? ? ? PRD_001118 O8 O8 O 0 1 N N N 17.209 -3.074 22.218 -4.334 0.549 -1.447 ASP 5 O polymer 1 1 32 ? ? ? PRD_001118 C21 C21 C 0 1 N N N 18.488 -1.881 20.075 -4.951 2.077 1.531 ASP 5 CB polymer 1 1 33 ? ? ? PRD_001118 C22 C22 C 0 1 N N N 18.696 -1.303 18.667 -4.306 2.444 2.842 ASP 5 CG polymer 1 1 34 ? ? ? PRD_001118 O9 O9 O 0 1 N N N 17.710 -1.126 17.914 -3.270 1.917 3.175 ASP 5 OD1 polymer 1 1 35 ? ? ? PRD_001118 O10 O10 O 0 1 N N N 19.862 -1.049 18.301 -4.882 3.355 3.642 ASP 5 OD2 polymer 1 1 36 ? ? ? PRD_001118 C23 C23 C 0 1 N N N 14.492 -3.671 23.833 -7.507 0.745 -2.157 ECC 6 C polymer 1 1 37 ? ? ? PRD_001118 N5 N5 N 0 1 N N N 15.910 -1.918 22.881 -6.135 -0.004 -0.276 ECC 6 N polymer 1 1 38 ? ? ? PRD_001118 O11 O11 O 0 1 N N N 15.279 -4.607 23.813 -8.525 1.266 -1.300 ECC 6 O polymer 1 1 39 ? ? ? PRD_001118 C24 C24 C 0 1 N N S 14.954 -2.224 23.937 -6.836 -0.453 -1.482 ECC 6 CA polymer 1 1 40 ? ? ? PRD_001118 C25 C25 C 0 1 N N N 13.731 -1.314 23.800 -7.899 -1.485 -1.100 ECC 6 CB polymer 1 1 41 ? ? ? PRD_001118 C26 C26 C 0 1 N N N 12.508 0.698 24.464 -8.265 -3.751 -0.163 ECC 6 CD polymer 1 1 42 ? ? ? PRD_001118 C27 C27 C 0 1 N N N 13.895 0.081 24.405 -7.218 -2.735 -0.540 ECC 6 CG polymer 1 1 43 ? ? ? PRD_001118 O12 O12 O 0 1 N N N 11.835 0.824 23.448 -9.440 -3.501 -0.327 ECC 6 OE1 polymer 1 1 44 ? ? ? PRD_001118 N6 N6 N 0 1 N N N 12.072 1.067 25.667 -7.895 -4.939 0.356 ECC 6 NE2 polymer 1 1 45 ? ? ? PRD_001118 H1 H1 H 0 1 N N N 23.095 12.215 20.037 8.845 -4.887 -0.141 ACE 1 H1 polymer 1 1 46 ? ? ? PRD_001118 H2 H2 H 0 1 N N N 22.916 11.581 21.708 8.267 -4.201 -1.678 ACE 1 H2 polymer 1 1 47 ? ? ? PRD_001118 H3 H3 H 0 1 N N N 23.755 10.598 20.460 9.689 -3.499 -0.868 ACE 1 H3 polymer 1 1 48 ? ? ? PRD_001118 H4 H4 H 0 1 N N N 20.880 9.664 21.870 7.929 -1.530 -1.302 ASP 2 H polymer 1 1 49 ? ? ? PRD_001118 H5 H5 H 0 1 N N N 21.710 8.454 19.337 6.699 -1.025 1.286 ASP 2 HA polymer 1 1 50 ? ? ? PRD_001118 H6 H6 H 0 1 N N N 22.587 8.214 22.212 6.732 0.558 -1.321 ASP 2 HB2 polymer 1 1 51 ? ? ? PRD_001118 H7 H7 H 0 1 N N N 22.314 6.676 21.325 6.002 1.133 0.197 ASP 2 HB3 polymer 1 1 52 ? ? ? PRD_001118 H8 H8 H 0 1 N N N 25.727 7.839 20.774 9.461 2.431 0.198 ASP 2 HD2 polymer 1 1 53 ? ? ? PRD_001118 H9 H9 H 0 1 N N N 20.643 6.415 19.084 4.244 0.041 0.972 SER 3 H polymer 1 1 54 ? ? ? PRD_001118 H10 H10 H 0 1 N N N 17.953 6.217 20.305 2.709 -1.470 -0.999 SER 3 HA polymer 1 1 55 ? ? ? PRD_001118 H11 H11 H 0 1 N N N 17.768 4.286 18.614 1.316 -2.617 0.656 SER 3 HB2 polymer 1 1 56 ? ? ? PRD_001118 H12 H12 H 0 1 N N N 17.912 5.951 17.957 3.019 -3.063 0.919 SER 3 HB3 polymer 1 1 57 ? ? ? PRD_001118 H13 H13 H 0 1 N N N 19.323 4.450 16.913 1.943 -2.422 2.953 SER 3 HG polymer 1 1 58 ? ? ? PRD_001118 H14 H14 H 0 1 N N N 17.218 3.807 20.702 0.143 -0.951 -0.362 PHE 4 H polymer 1 1 59 ? ? ? PRD_001118 H15 H15 H 0 1 N N N 19.346 2.223 22.012 -0.092 1.664 0.918 PHE 4 HA polymer 1 1 60 ? ? ? PRD_001118 H16 H16 H 0 1 N N N 18.217 4.023 23.602 -0.646 1.249 -2.054 PHE 4 HB2 polymer 1 1 61 ? ? ? PRD_001118 H17 H17 H 0 1 N N N 16.931 2.773 23.707 -1.145 2.682 -1.123 PHE 4 HB3 polymer 1 1 62 ? ? ? PRD_001118 H18 H18 H 0 1 N N N 19.863 3.944 25.218 1.697 0.830 -2.529 PHE 4 HD1 polymer 1 1 63 ? ? ? PRD_001118 H19 H19 H 0 1 N N N 17.951 0.281 24.116 0.499 4.268 -0.309 PHE 4 HD2 polymer 1 1 64 ? ? ? PRD_001118 H20 H20 H 0 1 N N N 21.184 2.742 26.932 3.933 1.812 -2.845 PHE 4 HE1 polymer 1 1 65 ? ? ? PRD_001118 H21 H21 H 0 1 N N N 19.295 -0.926 25.803 2.734 5.251 -0.625 PHE 4 HE2 polymer 1 1 66 ? ? ? PRD_001118 H22 H22 H 0 1 N N N 20.908 0.304 27.220 4.453 4.021 -1.888 PHE 4 HZ polymer 1 1 67 ? ? ? PRD_001118 H23 H23 H 0 1 N N N 19.145 0.274 21.324 -2.667 2.375 0.396 ASP 5 H polymer 1 1 68 ? ? ? PRD_001118 H24 H24 H 0 1 N N N 16.644 -0.814 20.307 -4.070 0.111 1.571 ASP 5 HA polymer 1 1 69 ? ? ? PRD_001118 H25 H25 H 0 1 N N N 19.462 -1.921 20.585 -4.955 2.946 0.873 ASP 5 HB2 polymer 1 1 70 ? ? ? PRD_001118 H26 H26 H 0 1 N N N 18.082 -2.899 19.979 -5.975 1.750 1.708 ASP 5 HB3 polymer 1 1 71 ? ? ? PRD_001118 H27 H27 H 0 1 N N N 19.850 -0.721 17.409 -4.431 3.558 4.473 ASP 5 HD2 polymer 1 1 72 ? ? ? PRD_001118 H28 H28 H 0 1 N Y N 13.831 -3.845 24.695 -7.953 0.428 -3.100 ECC 6 H1 polymer 1 1 73 ? ? ? PRD_001118 H29 H29 H 0 1 N N N 13.909 -3.741 22.903 -6.763 1.518 -2.349 ECC 6 HAA polymer 1 1 74 ? ? ? PRD_001118 H30 H30 H 0 1 N N N 15.312 -1.367 22.299 -6.573 -0.058 0.587 ECC 6 H polymer 1 1 75 ? ? ? PRD_001118 H31 H31 H 0 1 N N N 16.053 -4.360 23.322 -8.994 2.029 -1.664 ECC 6 HO polymer 1 1 76 ? ? ? PRD_001118 H32 H32 H 0 1 N N N 15.415 -2.061 24.923 -6.122 -0.905 -2.171 ECC 6 HA polymer 1 1 77 ? ? ? PRD_001118 H33 H33 H 0 1 N N N 13.510 -1.198 22.729 -8.561 -1.062 -0.345 ECC 6 HB polymer 1 1 78 ? ? ? PRD_001118 H34 H34 H 0 1 N N N 12.882 -1.805 24.299 -8.479 -1.752 -1.983 ECC 6 HBA polymer 1 1 79 ? ? ? PRD_001118 H35 H35 H 0 1 N N N 14.320 0.008 25.417 -6.556 -3.158 -1.295 ECC 6 HG polymer 1 1 80 ? ? ? PRD_001118 H36 H36 H 0 1 N N N 14.555 0.693 23.773 -6.637 -2.467 0.343 ECC 6 HGA polymer 1 1 81 ? ? ? PRD_001118 H37 H37 H 0 0 N N N 11.160 1.466 25.768 -6.955 -5.140 0.487 ECC 6 HNE2 polymer 1 1 82 ? ? ? PRD_001118 H38 H38 H 0 0 N N N 12.656 0.945 26.470 -8.569 -5.593 0.598 ECC 6 HNEA polymer 1 1 83 ? ? ? # 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 PRD_001118 C1 O1 DOUB N N 1 PRD_001118 C1 C2 SING N N 2 PRD_001118 C2 H1 SING N N 3 PRD_001118 C2 H2 SING N N 4 PRD_001118 C2 H3 SING N N 5 PRD_001118 N1 C3 SING N N 6 PRD_001118 N1 H4 SING N N 7 PRD_001118 C3 C4 SING N N 8 PRD_001118 C3 C5 SING N N 9 PRD_001118 C3 H5 SING N N 10 PRD_001118 C4 O2 DOUB N N 11 PRD_001118 C5 C6 SING N N 12 PRD_001118 C5 H6 SING N N 13 PRD_001118 C5 H7 SING N N 14 PRD_001118 C6 O3 DOUB N N 15 PRD_001118 C6 O4 SING N N 16 PRD_001118 O4 H8 SING N N 17 PRD_001118 N2 C7 SING N N 18 PRD_001118 N2 H9 SING N N 19 PRD_001118 C7 C8 SING N N 20 PRD_001118 C7 C9 SING N N 21 PRD_001118 C7 H10 SING N N 22 PRD_001118 C8 O5 DOUB N N 23 PRD_001118 C9 O6 SING N N 24 PRD_001118 C9 H11 SING N N 25 PRD_001118 C9 H12 SING N N 26 PRD_001118 O6 H13 SING N N 27 PRD_001118 N3 C10 SING N N 28 PRD_001118 N3 H14 SING N N 29 PRD_001118 C10 C11 SING N N 30 PRD_001118 C10 C12 SING N N 31 PRD_001118 C10 H15 SING N N 32 PRD_001118 C11 O7 DOUB N N 33 PRD_001118 C12 C13 SING N N 34 PRD_001118 C12 H16 SING N N 35 PRD_001118 C12 H17 SING N N 36 PRD_001118 C13 C14 DOUB Y N 37 PRD_001118 C13 C15 SING Y N 38 PRD_001118 C14 C16 SING Y N 39 PRD_001118 C14 H18 SING N N 40 PRD_001118 C15 C17 DOUB Y N 41 PRD_001118 C15 H19 SING N N 42 PRD_001118 C16 C18 DOUB Y N 43 PRD_001118 C16 H20 SING N N 44 PRD_001118 C17 C18 SING Y N 45 PRD_001118 C17 H21 SING N N 46 PRD_001118 C18 H22 SING N N 47 PRD_001118 N4 C19 SING N N 48 PRD_001118 N4 H23 SING N N 49 PRD_001118 C19 C20 SING N N 50 PRD_001118 C19 C21 SING N N 51 PRD_001118 C19 H24 SING N N 52 PRD_001118 C20 O8 DOUB N N 53 PRD_001118 C21 C22 SING N N 54 PRD_001118 C21 H25 SING N N 55 PRD_001118 C21 H26 SING N N 56 PRD_001118 C22 O9 DOUB N N 57 PRD_001118 C22 O10 SING N N 58 PRD_001118 O10 H27 SING N N 59 PRD_001118 C23 C24 SING N N 60 PRD_001118 C23 O11 SING N N 61 PRD_001118 C23 H28 SING N N 62 PRD_001118 C23 H29 SING N N 63 PRD_001118 N5 C24 SING N N 64 PRD_001118 N5 H30 SING N N 65 PRD_001118 O11 H31 SING N N 66 PRD_001118 C25 C24 SING N N 67 PRD_001118 C24 H32 SING N N 68 PRD_001118 C25 C27 SING N N 69 PRD_001118 C25 H33 SING N N 70 PRD_001118 C25 H34 SING N N 71 PRD_001118 O12 C26 DOUB N N 72 PRD_001118 C27 C26 SING N N 73 PRD_001118 C26 N6 SING N N 74 PRD_001118 C27 H35 SING N N 75 PRD_001118 C27 H36 SING N N 76 PRD_001118 N6 H37 SING N N 77 PRD_001118 N6 H38 SING N N 78 PRD_001118 C1 N1 SING N N 79 PRD_001118 C4 N2 SING N N 80 PRD_001118 C8 N3 SING N N 81 PRD_001118 C11 N4 SING N N 82 PRD_001118 C20 N5 SING N N 83 # 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 PRD_001118 SMILES ACDLabs 12.01 "O=C(N)CCC(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C(NC(=O)C)CC(=O)O)CO)Cc1ccccc1)CC(=O)O)CO" PRD_001118 InChI InChI 1.03 "InChI=1S/C27H38N6O12/c1-14(36)29-18(10-22(38)39)26(44)33-20(13-35)27(45)31-17(9-15-5-3-2-4-6-15)25(43)32-19(11-23(40)41)24(42)30-16(12-34)7-8-21(28)37/h2-6,16-20,34-35H,7-13H2,1H3,(H2,28,37)(H,29,36)(H,30,42)(H,31,45)(H,32,43)(H,33,44)(H,38,39)(H,40,41)/t16-,17-,18+,19+,20+/m1/s1" PRD_001118 InChIKey InChI 1.03 HYACKLDVAOZFRF-SLHNCBLASA-N PRD_001118 SMILES_CANONICAL CACTVS 3.370 "CC(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@H](CO)CCC(N)=O" PRD_001118 SMILES CACTVS 3.370 "CC(=O)N[CH](CC(O)=O)C(=O)N[CH](CO)C(=O)N[CH](Cc1ccccc1)C(=O)N[CH](CC(O)=O)C(=O)N[CH](CO)CCC(N)=O" PRD_001118 SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "CC(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CCC(=O)N)CO" PRD_001118 SMILES "OpenEye OEToolkits" 1.7.6 "CC(=O)NC(CC(=O)O)C(=O)NC(CO)C(=O)NC(Cc1ccccc1)C(=O)NC(CC(=O)O)C(=O)NC(CCC(=O)N)CO" # 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 PRD_001118 "SYSTEMATIC NAME" ACDLabs 12.01 "N-acetyl-L-alpha-aspartyl-L-seryl-L-phenylalanyl-N-[(2R)-5-amino-1-hydroxy-5-oxopentan-2-yl]-L-alpha-asparagine" PRD_001118 "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "(3S)-3-acetamido-4-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-5-azanyl-1-oxidanyl-5-oxidanylidene-pentan-2-yl]amino]-4-oxidanyl-1,4-bis(oxidanylidene)butan-2-yl]amino]-1-oxidanylidene-3-phenyl-propan-2-yl]amino]-3-oxidanyl-1-oxidanylidene-propan-2-yl]amino]-4-oxidanylidene-butanoic acid" #