data_PRDCC_001238
# 
_chem_comp.id                                    PRD_001238 
_chem_comp.name                                  "PEPSTATIN ANALOGUE ISOVALERYL-VAL-VAL-STA-O-ET  " 
_chem_comp.formula                               "C25 H47 N3 O6" 
_chem_comp.formula_weight                        485.657 
_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_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_001238 C1  C1  C 0 1 N N N 15.869 4.370  17.652 -6.957  1.257  -0.774 IVA 1 CA   polymer 1 1 1  ? ? ? 
PRD_001238 C2  C2  C 0 1 N N N 14.435 4.496  18.171 -8.168  1.446  0.142  IVA 1 CB   polymer 1 1 2  ? ? ? 
PRD_001238 C3  C3  C 0 1 N N N 13.539 3.353  17.740 -7.807  2.412  1.272  IVA 1 CG1  polymer 1 1 3  ? ? ? 
PRD_001238 C4  C4  C 0 1 N N N 14.368 4.751  19.664 -9.334  2.020  -0.667 IVA 1 CG2  polymer 1 1 4  ? ? ? 
PRD_001238 C5  C5  C 0 1 N N N 16.972 4.617  18.670 -5.850  0.579  -0.008 IVA 1 C    polymer 1 1 5  ? ? ? 
PRD_001238 O1  O1  O 0 1 N N N 17.035 3.864  19.686 -6.013  0.277  1.155  IVA 1 O    polymer 1 1 6  ? ? ? 
PRD_001238 N1  N1  N 0 1 N N N 17.823 5.597  18.462 -4.678  0.309  -0.616 VAL 2 N    polymer 1 1 7  ? ? ? 
PRD_001238 C6  C6  C 0 1 N N S 18.990 5.860  19.295 -3.601  -0.350 0.128  VAL 2 CA   polymer 1 1 8  ? ? ? 
PRD_001238 C7  C7  C 0 1 N N N 18.945 7.194  20.025 -2.274  -0.004 -0.496 VAL 2 C    polymer 1 1 9  ? ? ? 
PRD_001238 O2  O2  O 0 1 N N N 18.164 8.055  19.563 -2.230  0.413  -1.634 VAL 2 O    polymer 1 1 10 ? ? ? 
PRD_001238 C8  C8  C 0 1 N N N 20.214 5.890  18.314 -3.806  -1.866 0.085  VAL 2 CB   polymer 1 1 11 ? ? ? 
PRD_001238 C9  C9  C 0 1 N N N 20.533 4.516  17.730 -5.100  -2.227 0.816  VAL 2 CG1  polymer 1 1 12 ? ? ? 
PRD_001238 C10 C10 C 0 1 N N N 20.064 6.831  17.124 -3.896  -2.328 -1.371 VAL 2 CG2  polymer 1 1 13 ? ? ? 
PRD_001238 N2  N2  N 0 1 N N N 19.766 7.343  21.040 -1.137  -0.159 0.210  VAL 3 N    polymer 1 1 14 ? ? ? 
PRD_001238 C11 C11 C 0 1 N N S 19.857 8.671  21.726 0.142   0.275  -0.357 VAL 3 CA   polymer 1 1 15 ? ? ? 
PRD_001238 C12 C12 C 0 1 N N N 21.370 8.995  21.810 1.264   -0.510 0.273  VAL 3 C    polymer 1 1 16 ? ? ? 
PRD_001238 O3  O3  O 0 1 N N N 21.960 8.464  22.775 1.083   -1.090 1.322  VAL 3 O    polymer 1 1 17 ? ? ? 
PRD_001238 C13 C13 C 0 1 N N N 19.158 8.667  23.069 0.345   1.766  -0.079 VAL 3 CB   polymer 1 1 18 ? ? ? 
PRD_001238 C14 C14 C 0 1 N N N 19.064 10.053 23.746 -0.770  2.567  -0.754 VAL 3 CG1  polymer 1 1 19 ? ? ? 
PRD_001238 C15 C15 C 0 1 N N N 17.759 8.109  22.957 0.307   2.012  1.431  VAL 3 CG2  polymer 1 1 20 ? ? ? 
PRD_001238 N3  N3  N 0 1 N N N 21.900 9.775  20.885 2.467   -0.568 -0.331 32L 4 N    polymer 1 1 21 ? ? ? 
PRD_001238 C16 C16 C 0 1 N N S 23.340 10.117 20.875 3.530   -1.404 0.234  32L 4 CA   polymer 1 1 22 ? ? ? 
PRD_001238 C17 C17 C 0 1 N N N 23.974 9.653  19.550 3.372   -2.840 -0.269 32L 4 CB   polymer 1 1 23 ? ? ? 
PRD_001238 C18 C18 C 0 1 N N N 23.768 8.178  19.241 2.066   -3.428 0.268  32L 4 CG   polymer 1 1 24 ? ? ? 
PRD_001238 C19 C19 C 0 1 N N N 24.237 7.853  17.832 1.846   -4.817 -0.335 32L 4 CD1  polymer 1 1 25 ? ? ? 
PRD_001238 C20 C20 C 0 1 N N N 24.468 7.282  20.276 2.146   -3.540 1.792  32L 4 CD2  polymer 1 1 26 ? ? ? 
PRD_001238 C21 C21 C 0 1 N N S 23.483 11.637 21.104 4.892   -0.859 -0.199 32L 4 CH   polymer 1 1 27 ? ? ? 
PRD_001238 O4  O4  O 0 1 N N N 23.031 12.414 20.168 4.980   -0.876 -1.625 32L 4 OH   polymer 1 1 28 ? ? ? 
PRD_001238 C22 C22 C 0 1 N N N 22.643 11.806 22.374 5.051   0.577  0.305  32L 4 CM   polymer 1 1 29 ? ? ? 
PRD_001238 C23 C23 C 0 1 N N N 23.603 12.326 23.428 6.438   1.072  -0.015 32L 4 C    polymer 1 1 30 ? ? ? 
PRD_001238 O5  O5  O 0 1 N N N 23.936 11.470 24.305 7.220   0.350  -0.587 32L 4 O    polymer 1 1 31 ? ? ? 
PRD_001238 O6  O6  O 0 1 N Y N 23.226 13.602 23.634 6.805   2.314  0.336  32L 4 OXT  polymer 1 1 32 ? ? ? 
PRD_001238 C24 C24 C 0 1 N N N 22.095 13.865 24.563 8.156   2.723  -0.004 32L 4 C9   polymer 1 1 33 ? ? ? 
PRD_001238 C25 C25 C 0 1 N N N 22.540 14.783 25.690 8.389   4.159  0.472  32L 4 C10  polymer 1 1 34 ? ? ? 
PRD_001238 H1  H1  H 0 1 N N N 15.996 3.350  17.259 -7.239  0.640  -1.627 IVA 1 HA1  polymer 1 1 35 ? ? ? 
PRD_001238 H2  H2  H 0 1 N N N 15.996 5.096  16.836 -6.612  2.229  -1.126 IVA 1 HA2  polymer 1 1 36 ? ? ? 
PRD_001238 H3  H3  H 0 1 N N N 14.024 5.397  17.693 -8.458  0.484  0.564  IVA 1 HB   polymer 1 1 37 ? ? ? 
PRD_001238 H4  H4  H 0 0 N N N 12.528 3.506  18.146 -8.670  2.547  1.924  IVA 1 HG11 polymer 1 1 38 ? ? ? 
PRD_001238 H5  H5  H 0 0 N N N 13.492 3.318  16.642 -6.977  2.003  1.848  IVA 1 HG12 polymer 1 1 39 ? ? ? 
PRD_001238 H6  H6  H 0 0 N N N 13.947 2.404  18.120 -7.518  3.374  0.849  IVA 1 HG13 polymer 1 1 40 ? ? ? 
PRD_001238 H7  H7  H 0 0 N N N 13.316 4.832  19.976 -9.591  1.332  -1.472 IVA 1 HG21 polymer 1 1 41 ? ? ? 
PRD_001238 H8  H8  H 0 0 N N N 14.846 3.918  20.200 -10.196 2.155  -0.015 IVA 1 HG22 polymer 1 1 42 ? ? ? 
PRD_001238 H9  H9  H 0 0 N N N 14.893 5.688  19.900 -9.044  2.982  -1.090 IVA 1 HG23 polymer 1 1 43 ? ? ? 
PRD_001238 H10 H10 H 0 1 N N N 17.659 6.201  17.682 -4.547  0.550  -1.546 VAL 2 H    polymer 1 1 44 ? ? ? 
PRD_001238 H11 H11 H 0 1 N N N 19.135 5.047  20.022 -3.615  -0.011 1.164  VAL 2 HA   polymer 1 1 45 ? ? ? 
PRD_001238 H12 H12 H 0 1 N N N 21.089 6.219  18.894 -2.964  -2.360 0.571  VAL 2 HB   polymer 1 1 46 ? ? ? 
PRD_001238 H13 H13 H 0 0 N N N 21.396 4.596  17.052 -5.951  -1.822 0.269  VAL 2 HG11 polymer 1 1 47 ? ? ? 
PRD_001238 H14 H14 H 0 0 N N N 20.771 3.817  18.546 -5.192  -3.312 0.879  VAL 2 HG12 polymer 1 1 48 ? ? ? 
PRD_001238 H15 H15 H 0 0 N N N 19.662 4.144  17.171 -5.080  -1.805 1.821  VAL 2 HG13 polymer 1 1 49 ? ? ? 
PRD_001238 H16 H16 H 0 0 N N N 20.968 6.781  16.500 -2.973  -2.070 -1.891 VAL 2 HG21 polymer 1 1 50 ? ? ? 
PRD_001238 H17 H17 H 0 0 N N N 19.190 6.531  16.528 -4.041  -3.407 -1.401 VAL 2 HG22 polymer 1 1 51 ? ? ? 
PRD_001238 H18 H18 H 0 0 N N N 19.925 7.860  17.486 -4.737  -1.834 -1.857 VAL 2 HG23 polymer 1 1 52 ? ? ? 
PRD_001238 H19 H19 H 0 1 N N N 20.326 6.575  21.352 -1.165  -0.557 1.094  VAL 3 H    polymer 1 1 53 ? ? ? 
PRD_001238 H20 H20 H 0 1 N N N 19.381 9.430  21.088 0.139   0.104  -1.434 VAL 3 HA   polymer 1 1 54 ? ? ? 
PRD_001238 H21 H21 H 0 1 N N N 19.729 8.011  23.742 1.310   2.082  -0.474 VAL 3 HB   polymer 1 1 55 ? ? ? 
PRD_001238 H22 H22 H 0 0 N N N 18.544 9.956  24.711 -1.735  2.251  -0.358 VAL 3 HG11 polymer 1 1 56 ? ? ? 
PRD_001238 H23 H23 H 0 0 N N N 20.077 10.449 23.913 -0.626  3.629  -0.555 VAL 3 HG12 polymer 1 1 57 ? ? ? 
PRD_001238 H24 H24 H 0 0 N N N 18.504 10.741 23.096 -0.743  2.391  -1.829 VAL 3 HG13 polymer 1 1 58 ? ? ? 
PRD_001238 H25 H25 H 0 0 N N N 17.279 8.120  23.947 -0.624  1.620  1.840  VAL 3 HG21 polymer 1 1 59 ? ? ? 
PRD_001238 H26 H26 H 0 0 N N N 17.173 8.725  22.259 1.151   1.509  1.902  VAL 3 HG22 polymer 1 1 60 ? ? ? 
PRD_001238 H27 H27 H 0 0 N N N 17.805 7.076  22.583 0.367   3.083  1.626  VAL 3 HG23 polymer 1 1 61 ? ? ? 
PRD_001238 H28 H28 H 0 1 N N N 21.309 10.146 20.169 2.630   -0.057 -1.138 32L 4 H    polymer 1 1 62 ? ? ? 
PRD_001238 H29 H29 H 0 1 N N N 23.842 9.593  21.702 3.463   -1.391 1.322  32L 4 HA   polymer 1 1 63 ? ? ? 
PRD_001238 H30 H30 H 0 1 N N N 25.056 9.847  19.599 3.350   -2.842 -1.359 32L 4 H5   polymer 1 1 64 ? ? ? 
PRD_001238 H31 H31 H 0 1 N N N 23.533 10.241 18.732 4.212   -3.442 0.078  32L 4 H6   polymer 1 1 65 ? ? ? 
PRD_001238 H32 H32 H 0 1 N N N 22.689 7.970  19.294 1.235   -2.778 -0.005 32L 4 H7   polymer 1 1 66 ? ? ? 
PRD_001238 H33 H33 H 0 1 N N N 24.079 6.783  17.630 2.677   -5.468 -0.061 32L 4 H8   polymer 1 1 67 ? ? ? 
PRD_001238 H34 H34 H 0 1 N N N 23.664 8.451  17.108 0.915   -5.236 0.049  32L 4 H9   polymer 1 1 68 ? ? ? 
PRD_001238 H35 H35 H 0 1 N N N 25.307 8.090  17.738 1.788   -4.737 -1.420 32L 4 H10  polymer 1 1 69 ? ? ? 
PRD_001238 H36 H36 H 0 1 N N N 24.111 7.538  21.284 2.303   -2.551 2.221  32L 4 H11  polymer 1 1 70 ? ? ? 
PRD_001238 H37 H37 H 0 1 N N N 24.239 6.228  20.063 1.216   -3.959 2.175  32L 4 H12  polymer 1 1 71 ? ? ? 
PRD_001238 H38 H38 H 0 1 N N N 25.555 7.439  20.221 2.977   -4.191 2.065  32L 4 H13  polymer 1 1 72 ? ? ? 
PRD_001238 H39 H39 H 0 1 N N N 24.533 11.854 21.348 5.683   -1.480 0.221  32L 4 H14  polymer 1 1 73 ? ? ? 
PRD_001238 H40 H40 H 0 1 N N N 23.171 13.321 20.414 4.306   -0.342 -2.067 32L 4 H15  polymer 1 1 74 ? ? ? 
PRD_001238 H41 H41 H 0 1 N N N 21.830 12.528 22.204 4.315   1.217  -0.184 32L 4 H16  polymer 1 1 75 ? ? ? 
PRD_001238 H42 H42 H 0 1 N N N 22.217 10.841 22.685 4.895   0.603  1.383  32L 4 H17  polymer 1 1 76 ? ? ? 
PRD_001238 H43 H43 H 0 1 N N N 21.274 14.343 24.009 8.870   2.059  0.482  32L 4 H18  polymer 1 1 77 ? ? ? 
PRD_001238 H44 H44 H 0 1 N N N 21.745 12.912 24.988 8.290   2.672  -1.085 32L 4 H19  polymer 1 1 78 ? ? ? 
PRD_001238 H45 H45 H 0 1 N N N 21.694 14.968 26.368 7.675   4.823  -0.015 32L 4 H20  polymer 1 1 79 ? ? ? 
PRD_001238 H46 H46 H 0 1 N N N 23.360 14.307 26.248 8.255   4.210  1.552  32L 4 H21  polymer 1 1 80 ? ? ? 
PRD_001238 H47 H47 H 0 1 N N N 22.888 15.738 25.269 9.403   4.466  0.216  32L 4 H22  polymer 1 1 81 ? ? ? 
# 
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_001238 C1  C2  SING N N 1  
PRD_001238 C1  C5  SING N N 2  
PRD_001238 C1  H1  SING N N 3  
PRD_001238 C1  H2  SING N N 4  
PRD_001238 C2  C3  SING N N 5  
PRD_001238 C2  C4  SING N N 6  
PRD_001238 C2  H3  SING N N 7  
PRD_001238 C3  H4  SING N N 8  
PRD_001238 C3  H5  SING N N 9  
PRD_001238 C3  H6  SING N N 10 
PRD_001238 C4  H7  SING N N 11 
PRD_001238 C4  H8  SING N N 12 
PRD_001238 C4  H9  SING N N 13 
PRD_001238 C5  O1  DOUB N N 14 
PRD_001238 N1  C6  SING N N 15 
PRD_001238 N1  H10 SING N N 16 
PRD_001238 C6  C7  SING N N 17 
PRD_001238 C6  C8  SING N N 18 
PRD_001238 C6  H11 SING N N 19 
PRD_001238 C7  O2  DOUB N N 20 
PRD_001238 C8  C9  SING N N 21 
PRD_001238 C8  C10 SING N N 22 
PRD_001238 C8  H12 SING N N 23 
PRD_001238 C9  H13 SING N N 24 
PRD_001238 C9  H14 SING N N 25 
PRD_001238 C9  H15 SING N N 26 
PRD_001238 C10 H16 SING N N 27 
PRD_001238 C10 H17 SING N N 28 
PRD_001238 C10 H18 SING N N 29 
PRD_001238 N2  C11 SING N N 30 
PRD_001238 N2  H19 SING N N 31 
PRD_001238 C11 C12 SING N N 32 
PRD_001238 C11 C13 SING N N 33 
PRD_001238 C11 H20 SING N N 34 
PRD_001238 C12 O3  DOUB N N 35 
PRD_001238 C13 C14 SING N N 36 
PRD_001238 C13 C15 SING N N 37 
PRD_001238 C13 H21 SING N N 38 
PRD_001238 C14 H22 SING N N 39 
PRD_001238 C14 H23 SING N N 40 
PRD_001238 C14 H24 SING N N 41 
PRD_001238 C15 H25 SING N N 42 
PRD_001238 C15 H26 SING N N 43 
PRD_001238 C15 H27 SING N N 44 
PRD_001238 C19 C18 SING N N 45 
PRD_001238 C18 C17 SING N N 46 
PRD_001238 C18 C20 SING N N 47 
PRD_001238 C17 C16 SING N N 48 
PRD_001238 O4  C21 SING N N 49 
PRD_001238 C16 N3  SING N N 50 
PRD_001238 C16 C21 SING N N 51 
PRD_001238 C21 C22 SING N N 52 
PRD_001238 C22 C23 SING N N 53 
PRD_001238 C23 O6  SING N N 54 
PRD_001238 C23 O5  DOUB N N 55 
PRD_001238 O6  C24 SING N N 56 
PRD_001238 C24 C25 SING N N 57 
PRD_001238 N3  H28 SING N N 58 
PRD_001238 C16 H29 SING N N 59 
PRD_001238 C17 H30 SING N N 60 
PRD_001238 C17 H31 SING N N 61 
PRD_001238 C18 H32 SING N N 62 
PRD_001238 C19 H33 SING N N 63 
PRD_001238 C19 H34 SING N N 64 
PRD_001238 C19 H35 SING N N 65 
PRD_001238 C20 H36 SING N N 66 
PRD_001238 C20 H37 SING N N 67 
PRD_001238 C20 H38 SING N N 68 
PRD_001238 C21 H39 SING N N 69 
PRD_001238 O4  H40 SING N N 70 
PRD_001238 C22 H41 SING N N 71 
PRD_001238 C22 H42 SING N N 72 
PRD_001238 C24 H43 SING N N 73 
PRD_001238 C24 H44 SING N N 74 
PRD_001238 C25 H45 SING N N 75 
PRD_001238 C25 H46 SING N N 76 
PRD_001238 C25 H47 SING N N 77 
PRD_001238 N1  C5  SING N N 78 
PRD_001238 N2  C7  SING N N 79 
PRD_001238 N3  C12 SING N N 80 
# 
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_001238 SMILES           ACDLabs              12.01 "O=C(OCC)CC(O)C(NC(=O)C(NC(=O)C(NC(=O)CC(C)C)C(C)C)C(C)C)CC(C)C"                                                                                                                                      
PRD_001238 InChI            InChI                1.03  "InChI=1S/C25H47N3O6/c1-10-34-21(31)13-19(29)18(11-14(2)3)26-24(32)23(17(8)9)28-25(33)22(16(6)7)27-20(30)12-15(4)5/h14-19,22-23,29H,10-13H2,1-9H3,(H,26,32)(H,27,30)(H,28,33)/t18-,19-,22?,23+/m1/s1" 
PRD_001238 InChIKey         InChI                1.03  SMVMSLPPAGGLDL-LVLUKITMSA-N                                                                                                                                                                           
PRD_001238 SMILES_CANONICAL CACTVS               3.385 "CCOC(=O)C[C@H](O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CC(C)C)C(C)C)C(C)C"                                                                                                                    
PRD_001238 SMILES           CACTVS               3.385 "CCOC(=O)C[CH](O)[CH](CC(C)C)NC(=O)[CH](NC(=O)[CH](NC(=O)CC(C)C)C(C)C)C(C)C"                                                                                                                          
PRD_001238 SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "CCOC(=O)C[C@@H]([C@H](CC(C)C)NC(=O)[C@H](C(C)C)NC(=O)[C@H](C(C)C)NC(=O)CC(C)C)O"                                                                                                                     
PRD_001238 SMILES           "OpenEye OEToolkits" 1.7.6 "CCOC(=O)CC(C(CC(C)C)NC(=O)C(C(C)C)NC(=O)C(C(C)C)NC(=O)CC(C)C)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 
PRD_001238 "SYSTEMATIC NAME" ACDLabs              12.01 "N-(3-methylbutanoyl)-L-valyl-N-[(3R,4R)-1-ethoxy-3-hydroxy-6-methyl-1-oxoheptan-4-yl]-L-valinamide"                                       
PRD_001238 "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "ethyl (3S,4S)-6-methyl-4-[[(2S)-3-methyl-2-[[(2S)-3-methyl-2-(3-methylbutanoylamino)butanoyl]amino]butanoyl]amino]-3-oxidanyl-heptanoate" 
# 
