data_HU4
# 
_chem_comp.id                                    HU4 
_chem_comp.name                                  "TERT-BUTYL {(1S)-2-[(1R,2S,5R)-2-({[(1S)-3-AMINO-1-(CYCLOBUTYLMETHYL)-2,3-DIOXOPROPYL]AMINO}CARBONYL)-7,7-DIMETHYL-6-OXA-3-AZABICYCLO[3.2.0]HEPT-3-YL]-1-CYCLOHEXYL-2-OXOETHYL}CARBAMATE" 
_chem_comp.type                                  NON-POLYMER 
_chem_comp.pdbx_type                             HETAIN 
_chem_comp.formula                               "C29 H46 N4 O7" 
_chem_comp.mon_nstd_parent_comp_id               ? 
_chem_comp.pdbx_synonyms                         "Ketoamide Inhibitor SCH571696, bound form" 
_chem_comp.pdbx_formal_charge                    0 
_chem_comp.pdbx_initial_date                     2007-01-09 
_chem_comp.pdbx_modified_date                    2024-09-27 
_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                        562.698 
_chem_comp.one_letter_code                       ? 
_chem_comp.three_letter_code                     HU4 
_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        ? 
_chem_comp.pdbx_subcomponent_list                ? 
_chem_comp.pdbx_processing_site                  RCSB 
_chem_comp.pdbx_pcm                              Y 
# 
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_backbone_atom_flag 
_chem_comp_atom.pdbx_n_terminal_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 
HU4 C1   C1   C 0 1 N N N N N N 192.725 -10.649 49.113 4.738  0.250  0.610  C1   HU4 1  
HU4 O2   O2   O 0 1 N N N N N N 193.358 -11.491 49.756 5.097  -0.130 -0.487 O2   HU4 2  
HU4 O3   O3   O 0 1 N N N N N N 191.381 -10.569 48.973 5.642  0.727  1.487  O3   HU4 3  
HU4 C4   C4   C 0 1 N N N N N N 190.407 -11.201 49.819 7.028  0.752  1.056  C4   HU4 4  
HU4 C5   C5   C 0 1 N N N N N N 190.691 -11.206 51.355 7.900  1.321  2.176  C5   HU4 5  
HU4 C6   C6   C 0 1 N N N N N N 189.040 -10.433 49.549 7.485  -0.671 0.726  C6   HU4 6  
HU4 C7   C7   C 0 1 N N N N N N 190.332 -12.677 49.403 7.159  1.631  -0.189 C7   HU4 7  
HU4 N8   N8   N 0 1 N N N N N N 193.319 -9.709  48.396 3.434  0.200  0.948  N8   HU4 8  
HU4 C9   C9   C 0 1 N N S N N N 194.762 -9.540  48.379 2.450  -0.319 -0.006 C9   HU4 9  
HU4 C10  C10  C 0 1 N N N N N N 195.175 -8.749  47.139 2.387  -1.844 0.105  C10  HU4 10 
HU4 C11  C11  C 0 1 N N N N N N 196.672 -8.466  47.109 1.373  -2.387 -0.904 C11  HU4 11 
HU4 C12  C12  C 0 1 N N N N N N 194.738 -9.445  45.848 3.767  -2.434 -0.191 C12  HU4 12 
HU4 C13  C13  C 0 1 N N N N N N 197.068 -7.660  45.865 1.310  -3.912 -0.793 C13  HU4 13 
HU4 C14  C14  C 0 1 N N N N N N 195.097 -8.645  44.605 3.704  -3.959 -0.079 C14  HU4 14 
HU4 C15  C15  C 0 1 N N N N N N 196.599 -8.341  44.573 2.690  -4.502 -1.088 C15  HU4 15 
HU4 C16  C16  C 0 1 N N N N N N 195.118 -8.711  49.616 1.095  0.264  0.303  C16  HU4 16 
HU4 O17  O17  O 0 1 N N N N N N 194.650 -7.576  49.771 0.787  0.507  1.451  O17  HU4 17 
HU4 N18  N18  N 0 1 N N N N N N 195.891 -9.289  50.546 0.226  0.514  -0.696 N18  HU4 18 
HU4 C19  C19  C 0 1 N N N N N N 196.496 -10.625 50.470 0.398  0.192  -2.130 C19  HU4 19 
HU4 C20  C20  C 0 1 N N S N N N 196.288 -8.581  51.764 -1.095 1.160  -0.583 C20  HU4 20 
HU4 C21  C21  C 0 1 N N R N N N 196.704 -9.688  52.666 -1.399 1.814  -1.942 C21  HU4 21 
HU4 C22  C22  C 0 1 N N R N N N 197.286 -10.708 51.790 -0.198 1.424  -2.853 C22  HU4 22 
HU4 O23  O23  O 0 1 N N N N N N 196.724 -11.703 52.676 0.394  2.662  -2.413 O23  HU4 23 
HU4 C24  C24  C 0 1 N N N N N N 195.844 -10.735 53.310 -0.879 3.257  -2.056 C24  HU4 24 
HU4 C25  C25  C 0 1 N N N N N N 195.874 -10.861 54.770 -1.522 4.057  -3.191 C25  HU4 25 
HU4 C26  C26  C 0 1 N N N N N N 194.381 -10.698 52.980 -0.862 4.014  -0.726 C26  HU4 26 
HU4 C27  C27  C 0 1 N N N N N N 197.390 -7.580  51.440 -2.145 0.127  -0.264 C27  HU4 27 
HU4 O28  O28  O 0 1 N N N N N N 198.476 -7.959  50.995 -1.922 -1.047 -0.468 O28  HU4 28 
HU4 N29  N29  N 0 1 N N N N N N 197.114 -6.300  51.669 -3.333 0.509  0.247  N29  HU4 29 
HU4 C30  C30  C 0 1 N N S N N N 198.089 -5.256  51.372 -4.354 -0.495 0.556  C30  HU4 30 
HU4 C31  C31  C 0 1 N N N N N N 197.418 -4.146  50.545 -5.288 0.045  1.640  C31  HU4 31 
HU4 C32  C32  C 0 1 N N N N N N 196.712 -4.686  49.261 -4.503 0.238  2.940  C32  HU4 32 
HU4 C33  C33  C 0 1 N N N N N N 197.584 -5.033  48.055 -5.379 0.664  4.130  C33  HU4 33 
HU4 C34  C34  C 0 1 N N N N N N 195.890 -3.737  48.394 -3.823 1.613  3.049  C34  HU4 34 
HU4 C35  C35  C 0 1 N N N N N N 196.520 -4.400  47.165 -4.235 1.611  4.531  C35  HU4 35 
HU4 O36  O36  O 0 1 N N N N N N 199.191 -5.793  53.462 -5.085 -0.065 -1.642 O36  HU4 36 
HU4 C37  C37  C 0 1 N N N N N N 198.837 -4.708  52.619 -5.150 -0.802 -0.686 C37  HU4 37 
HU4 O38  O38  O 0 1 N N N N N N 200.123 -2.908  51.786 -6.082 -2.753 0.224  O38  HU4 38 
HU4 N39  N39  N 0 1 N N N N N N 201.300 -4.728  52.426 -6.729 -2.287 -1.847 N39  HU4 39 
HU4 C40  C40  C 0 1 N N N N N N 200.164 -4.053  52.247 -6.017 -2.013 -0.736 C40  HU4 40 
HU4 H51  H51  H 0 1 N N N N N N 189.870 -11.718 51.878 7.807  0.695  3.063  H51  HU4 41 
HU4 H52  H52  H 0 1 N N N N N N 191.636 -11.733 51.551 8.941  1.340  1.853  H52  HU4 42 
HU4 H53  H53  H 0 1 N N N N N N 190.767 -10.170 51.717 7.575  2.335  2.411  H53  HU4 43 
HU4 H61  H61  H 0 1 N N N N N N 188.244 -10.870 50.170 6.864  -1.076 -0.072 H61  HU4 44 
HU4 H62  H62  H 0 1 N N N N N N 189.161 -9.370  49.803 8.526  -0.652 0.403  H62  HU4 45 
HU4 H63  H63  H 0 1 N N N N N N 188.770 -10.528 48.487 7.392  -1.297 1.613  H63  HU4 46 
HU4 H71  H71  H 0 1 N N N N N N 189.594 -13.198 50.030 6.834  2.644  0.045  H71  HU4 47 
HU4 H72  H72  H 0 1 N N N N N N 190.030 -12.745 48.348 8.200  1.650  -0.513 H72  HU4 48 
HU4 H73  H73  H 0 1 N N N N N N 191.319 -13.145 49.533 6.538  1.225  -0.988 H73  HU4 49 
HU4 HN8  HN8  H 0 1 N N N N N N 192.755 -9.093  47.846 3.147  0.507  1.822  HN8  HU4 50 
HU4 H9   H9   H 0 1 N N N N N N 195.281 -10.509 48.406 2.743  -0.040 -1.018 H9   HU4 51 
HU4 H10  H10  H 0 1 N N N N N N 194.657 -7.779  47.180 2.081  -2.122 1.113  H10  HU4 52 
HU4 H111 H111 H 0 0 N N N N N N 196.945 -7.894  48.008 0.390  -1.966 -0.693 H111 HU4 53 
HU4 H112 H112 H 0 0 N N N N N N 197.216 -9.422  47.104 1.679  -2.109 -1.912 H112 HU4 54 
HU4 H121 H121 H 0 0 N N N N N N 195.232 -10.426 45.791 4.073  -2.156 -1.199 H121 HU4 55 
HU4 H122 H122 H 0 0 N N N N N N 193.647 -9.585  45.875 4.489  -2.047 0.528  H122 HU4 56 
HU4 H131 H131 H 0 0 N N N N N N 196.611 -6.661  45.927 1.004  -4.190 0.216  H131 HU4 57 
HU4 H132 H132 H 0 0 N N N N N N 198.163 -7.561  45.838 0.587  -4.299 -1.511 H132 HU4 58 
HU4 H141 H141 H 0 0 N N N N N N 194.827 -9.226  43.711 4.687  -4.380 -0.290 H141 HU4 59 
HU4 H142 H142 H 0 0 N N N N N N 194.537 -7.698  44.610 3.398  -4.237 0.929  H142 HU4 60 
HU4 H151 H151 H 0 0 N N N N N N 196.810 -7.676  43.723 2.645  -5.588 -1.009 H151 HU4 61 
HU4 H152 H152 H 0 0 N N N N N N 197.151 -9.284  44.447 2.996  -4.224 -2.097 H152 HU4 62 
HU4 H191 H191 H 0 0 N N N N N N 195.725 -11.408 50.418 1.455  0.079  -2.374 H191 HU4 63 
HU4 H192 H192 H 0 0 N N N N N N 197.164 -10.710 49.601 -0.155 -0.710 -2.390 H192 HU4 64 
HU4 H20  H20  H 0 1 N N N N N N 195.426 -8.050  52.194 -1.072 1.918  0.200  H20  HU4 65 
HU4 H21  H21  H 0 1 N N N N N N 197.455 -9.327  53.385 -2.395 1.615  -2.337 H21  HU4 66 
HU4 H22  H22  H 0 1 N N N N N N 198.381 -10.698 51.682 -0.386 1.306  -3.921 H22  HU4 67 
HU4 H251 H251 H 0 0 N N N N N N 195.194 -11.667 55.083 -2.599 4.112  -3.032 H251 HU4 68 
HU4 H252 H252 H 0 0 N N N N N N 196.898 -11.097 55.097 -1.105 5.064  -3.208 H252 HU4 69 
HU4 H253 H253 H 0 0 N N N N N N 195.553 -9.913  55.226 -1.320 3.564  -4.142 H253 HU4 70 
HU4 H261 H261 H 0 0 N N N N N N 193.864 -11.511 53.511 -0.215 3.492  -0.020 H261 HU4 71 
HU4 H262 H262 H 0 0 N N N N N N 193.959 -9.731  53.291 -0.483 5.023  -0.887 H262 HU4 72 
HU4 H263 H263 H 0 0 N N N N N N 194.247 -10.825 51.896 -1.873 4.065  -0.324 H263 HU4 73 
HU4 HN29 HN29 H 0 0 N N N N N N 196.225 -6.049  52.051 -3.511 1.448  0.409  HN29 HU4 74 
HU4 H30  H30  H 0 1 N N N N N N 198.858 -5.702  50.725 -3.872 -1.406 0.912  H30  HU4 75 
HU4 H311 H311 H 0 0 N N N N N N 196.667 -3.645  51.174 -5.702 1.001  1.320  H311 HU4 76 
HU4 H312 H312 H 0 0 N N N N N N 198.187 -3.420  50.243 -6.099 -0.664 1.808  H312 HU4 77 
HU4 H32  H32  H 0 1 N N N N N N 196.099 -5.558  49.531 -3.841 -0.598 3.162  H32  HU4 78 
HU4 H331 H331 H 0 0 N N N N N N 198.558 -4.523  48.035 -6.292 1.182  3.837  H331 HU4 79 
HU4 H332 H332 H 0 0 N N N N N N 197.731 -6.111  47.894 -5.556 -0.135 4.850  H332 HU4 80 
HU4 H341 H341 H 0 0 N N N N N N 194.801 -3.870  48.477 -2.744 1.579  2.897  H341 HU4 81 
HU4 H342 H342 H 0 0 N N N N N N 196.140 -2.673  48.518 -4.311 2.390  2.461  H342 HU4 82 
HU4 H351 H351 H 0 0 N N N N N N 196.917 -3.690  46.425 -4.578 2.582  4.890  H351 HU4 83 
HU4 H352 H352 H 0 0 N N N N N N 195.865 -5.126  46.661 -3.498 1.151  5.189  H352 HU4 84 
HU4 H391 H391 H 0 0 N N N N N N 202.175 -4.308  52.183 -6.677 -1.696 -2.614 H391 HU4 85 
HU4 H392 H392 H 0 0 N N N N N N 201.277 -5.654  52.803 -7.293 -3.076 -1.879 H392 HU4 86 
# 
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 
HU4 C1  N8   SING N N 1  
HU4 C1  O3   SING N N 2  
HU4 C1  O2   DOUB N N 3  
HU4 O3  C4   SING N N 4  
HU4 C4  C7   SING N N 5  
HU4 C4  C6   SING N N 6  
HU4 C4  C5   SING N N 7  
HU4 C5  H51  SING N N 8  
HU4 C5  H52  SING N N 9  
HU4 C5  H53  SING N N 10 
HU4 C6  H61  SING N N 11 
HU4 C6  H62  SING N N 12 
HU4 C6  H63  SING N N 13 
HU4 C7  H71  SING N N 14 
HU4 C7  H72  SING N N 15 
HU4 C7  H73  SING N N 16 
HU4 N8  C9   SING N N 17 
HU4 N8  HN8  SING N N 18 
HU4 C9  C10  SING N N 19 
HU4 C9  C16  SING N N 20 
HU4 C9  H9   SING N N 21 
HU4 C10 C12  SING N N 22 
HU4 C10 C11  SING N N 23 
HU4 C10 H10  SING N N 24 
HU4 C11 C13  SING N N 25 
HU4 C11 H111 SING N N 26 
HU4 C11 H112 SING N N 27 
HU4 C12 C14  SING N N 28 
HU4 C12 H121 SING N N 29 
HU4 C12 H122 SING N N 30 
HU4 C13 C15  SING N N 31 
HU4 C13 H131 SING N N 32 
HU4 C13 H132 SING N N 33 
HU4 C14 C15  SING N N 34 
HU4 C14 H141 SING N N 35 
HU4 C14 H142 SING N N 36 
HU4 C15 H151 SING N N 37 
HU4 C15 H152 SING N N 38 
HU4 C16 O17  DOUB N N 39 
HU4 C16 N18  SING N N 40 
HU4 N18 C19  SING N N 41 
HU4 N18 C20  SING N N 42 
HU4 C19 C22  SING N N 43 
HU4 C19 H191 SING N N 44 
HU4 C19 H192 SING N N 45 
HU4 C20 C27  SING N N 46 
HU4 C20 C21  SING N N 47 
HU4 C20 H20  SING N N 48 
HU4 C21 C22  SING N N 49 
HU4 C21 C24  SING N N 50 
HU4 C21 H21  SING N N 51 
HU4 C22 O23  SING N N 52 
HU4 C22 H22  SING N N 53 
HU4 O23 C24  SING N N 54 
HU4 C24 C26  SING N N 55 
HU4 C24 C25  SING N N 56 
HU4 C25 H251 SING N N 57 
HU4 C25 H252 SING N N 58 
HU4 C25 H253 SING N N 59 
HU4 C26 H261 SING N N 60 
HU4 C26 H262 SING N N 61 
HU4 C26 H263 SING N N 62 
HU4 C27 O28  DOUB N N 63 
HU4 C27 N29  SING N N 64 
HU4 N29 C30  SING N N 65 
HU4 N29 HN29 SING N N 66 
HU4 C30 C31  SING N N 67 
HU4 C30 C37  SING N N 68 
HU4 C30 H30  SING N N 69 
HU4 C31 C32  SING N N 70 
HU4 C31 H311 SING N N 71 
HU4 C31 H312 SING N N 72 
HU4 C32 C33  SING N N 73 
HU4 C32 C34  SING N N 74 
HU4 C32 H32  SING N N 75 
HU4 C33 C35  SING N N 76 
HU4 C33 H331 SING N N 77 
HU4 C33 H332 SING N N 78 
HU4 C34 C35  SING N N 79 
HU4 C34 H341 SING N N 80 
HU4 C34 H342 SING N N 81 
HU4 C35 H351 SING N N 82 
HU4 C35 H352 SING N N 83 
HU4 O36 C37  DOUB N N 84 
HU4 C37 C40  SING N N 85 
HU4 O38 C40  DOUB N N 86 
HU4 N39 C40  SING N N 87 
HU4 N39 H391 SING N N 88 
HU4 N39 H392 SING N N 89 
# 
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 
HU4 SMILES           ACDLabs              12.01 "O=C(N3C(C(=O)NC(C(=O)C(=O)N)CC1CCC1)C2C(OC2C3)(C)C)C(NC(=O)OC(C)(C)C)C4CCCCC4"                                                                                                                                                
HU4 InChI            InChI                1.03  "InChI=1S/C29H46N4O7/c1-28(2,3)40-27(38)32-21(17-12-7-6-8-13-17)26(37)33-15-19-20(29(4,5)39-19)22(33)25(36)31-18(23(34)24(30)35)14-16-10-9-11-16/h16-22H,6-15H2,1-5H3,(H2,30,35)(H,31,36)(H,32,38)/t18-,19-,20-,21-,22-/m0/s1" 
HU4 InChIKey         InChI                1.03  WRVVRHORVNXEJF-YFNVTMOMSA-N                                                                                                                                                                                                    
HU4 SMILES_CANONICAL CACTVS               3.370 "CC(C)(C)OC(=O)N[C@@H](C1CCCCC1)C(=O)N2C[C@@H]3OC(C)(C)[C@@H]3[C@H]2C(=O)N[C@@H](CC4CCC4)C(=O)C(N)=O"                                                                                                                          
HU4 SMILES           CACTVS               3.370 "CC(C)(C)OC(=O)N[CH](C1CCCCC1)C(=O)N2C[CH]3OC(C)(C)[CH]3[CH]2C(=O)N[CH](CC4CCC4)C(=O)C(N)=O"                                                                                                                                   
HU4 SMILES_CANONICAL "OpenEye OEToolkits" 1.7.6 "CC1([C@H]2[C@@H](O1)CN([C@@H]2C(=O)N[C@@H](CC3CCC3)C(=O)C(=O)N)C(=O)[C@H](C4CCCCC4)NC(=O)OC(C)(C)C)C"                                                                                                                         
HU4 SMILES           "OpenEye OEToolkits" 1.7.6 "CC1(C2C(O1)CN(C2C(=O)NC(CC3CCC3)C(=O)C(=O)N)C(=O)C(C4CCCCC4)NC(=O)OC(C)(C)C)C"                                                                                                                                                
# 
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 
HU4 "SYSTEMATIC NAME" ACDLabs              12.01 "tert-butyl {(1S)-2-[(1R,2S,5R)-2-{[(2S)-4-amino-1-cyclobutyl-3,4-dioxobutan-2-yl]carbamoyl}-7,7-dimethyl-6-oxa-3-azabicyclo[3.2.0]hept-3-yl]-1-cyclohexyl-2-oxoethyl}carbamate"                              
HU4 "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.7.6 "tert-butyl N-[(1S)-2-[(1R,4S,5R)-4-[[(2S)-4-azanyl-1-cyclobutyl-3,4-bis(oxidanylidene)butan-2-yl]carbamoyl]-6,6-dimethyl-7-oxa-3-azabicyclo[3.2.0]heptan-3-yl]-1-cyclohexyl-2-oxidanylidene-ethyl]carbamate" 
# 
loop_
_pdbx_chem_comp_audit.comp_id 
_pdbx_chem_comp_audit.action_type 
_pdbx_chem_comp_audit.date 
_pdbx_chem_comp_audit.processing_site 
HU4 "Create component"  2007-01-09 RCSB 
HU4 "Modify descriptor" 2011-06-04 RCSB 
HU4 "Modify synonyms"   2012-12-20 RCSB 
HU4 "Modify synonyms"   2021-03-13 RCSB 
HU4 "Modify PCM"        2024-09-27 PDBE 
# 
_pdbx_chem_comp_synonyms.ordinal      1 
_pdbx_chem_comp_synonyms.comp_id      HU4 
_pdbx_chem_comp_synonyms.name         "Ketoamide Inhibitor SCH571696, bound form" 
_pdbx_chem_comp_synonyms.provenance   PDB 
_pdbx_chem_comp_synonyms.type         ? 
# 
_pdbx_chem_comp_pcm.pcm_id                             1 
_pdbx_chem_comp_pcm.comp_id                            HU4 
_pdbx_chem_comp_pcm.modified_residue_id                SER 
_pdbx_chem_comp_pcm.type                               None 
_pdbx_chem_comp_pcm.category                           "Covalent chemical modification" 
_pdbx_chem_comp_pcm.position                           "Amino-acid side chain" 
_pdbx_chem_comp_pcm.polypeptide_position               "Any position" 
_pdbx_chem_comp_pcm.comp_id_linking_atom               C37 
_pdbx_chem_comp_pcm.modified_residue_id_linking_atom   OG 
_pdbx_chem_comp_pcm.uniprot_specific_ptm_accession     ? 
_pdbx_chem_comp_pcm.uniprot_generic_ptm_accession      ? 
# 
