data_GCG # _chem_comp.id GCG _chem_comp.name "BIS(GAMMA-GLUTAMYL-CYSTEINYL-GLYCINYL)SPERMIDINE" _chem_comp.type NON-POLYMER _chem_comp.pdbx_type HETAIN _chem_comp.formula "C27 H49 N9 O10 S2" _chem_comp.mon_nstd_parent_comp_id ? _chem_comp.pdbx_synonyms TRYPANOTHIONE _chem_comp.pdbx_formal_charge 0 _chem_comp.pdbx_initial_date 1999-07-08 _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 TS3 _chem_comp.formula_weight 723.862 _chem_comp.one_letter_code ? _chem_comp.three_letter_code GCG _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 1BZL _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 GCG C1 C1 C 0 1 N N N N N N 58.422 11.745 6.094 1.128 -1.288 18.668 C1 GCG 1 GCG CA1 CA1 C 0 1 N N S N N N 58.103 10.261 5.874 1.467 -0.362 17.529 CA1 GCG 2 GCG O11 O11 O 0 1 N N N N N N 57.459 12.519 6.107 0.144 -0.969 19.523 O11 GCG 3 GCG O21 O21 O 0 1 N N N N N N 59.584 12.130 6.217 1.742 -2.319 18.811 O21 GCG 4 GCG CB1 CB1 C 0 1 N N N N N N 59.339 9.347 6.222 0.630 -0.732 16.304 CB1 GCG 5 GCG N1 N1 N 0 1 N N N N N N 57.857 10.286 4.405 2.894 -0.488 17.204 N1 GCG 6 GCG CG1 CG1 C 0 1 N N N N N N 59.233 7.875 5.706 0.974 0.208 15.147 CG1 GCG 7 GCG CD1 CD1 C 0 1 N N N N N N 60.364 6.961 6.224 0.149 -0.155 13.940 CD1 GCG 8 GCG OD1 OD1 O 0 1 N N N N N N 60.272 6.429 7.334 -0.636 -1.077 13.999 OD1 GCG 9 GCG N2 N2 N 0 1 N N N N N N 61.404 6.739 5.406 0.285 0.542 12.795 N2 GCG 10 GCG CA2 CA2 C 0 1 N N R N N N 62.516 5.894 5.839 -0.516 0.188 11.622 CA2 GCG 11 GCG C2 C2 C 0 1 N N N N N N 63.782 6.748 5.856 0.249 0.526 10.369 C2 GCG 12 GCG O2 O2 O 0 1 N N N N N N 64.254 7.172 4.795 1.356 1.016 10.448 O2 GCG 13 GCG CB2 CB2 C 0 1 N N N N N N 62.688 4.707 4.882 -1.829 0.973 11.645 CB2 GCG 14 GCG SG2 SG2 S 0 1 N N N N N N 62.780 3.063 5.677 -2.751 0.566 13.153 SG2 GCG 15 GCG N3 N3 N 0 1 N N N N N N 64.325 7.004 7.066 -0.295 0.286 9.160 N3 GCG 16 GCG CA3 CA3 C 0 1 N N N N N N 65.517 7.832 7.206 0.449 0.615 7.942 CA3 GCG 17 GCG C3 C3 C 0 1 N N N N N N 66.734 7.401 6.406 -0.376 0.250 6.735 C3 GCG 18 GCG O3 O3 O 0 1 N N N N N N 66.799 6.274 5.907 -1.477 -0.236 6.878 O3 GCG 19 GCG N1S N1S N 0 1 N N N N N N 67.708 8.315 6.256 0.110 0.465 5.496 N1S GCG 20 GCG C2S C2S C 0 1 N N N N N N 68.958 8.073 5.535 -0.691 0.111 4.323 C2S GCG 21 GCG C3S C3S C 0 1 N N N N N N 69.129 8.573 4.092 0.085 0.455 3.051 C3S GCG 22 GCG C4S C4S C 0 1 N N N N N N 68.343 8.057 2.874 -0.751 0.085 1.825 C4S GCG 23 GCG C5S C5S C 0 1 N N N N N N 68.391 6.556 2.520 0.026 0.429 0.553 C5S GCG 24 GCG C7S C7S C 0 1 N N N N N N 66.951 4.607 2.607 0.021 0.427 -1.803 C7S GCG 25 GCG N6S N6S N 0 1 N N N N N N 67.477 5.756 3.334 -0.778 0.073 -0.623 N6S GCG 26 GCG C8S C8S C 0 1 N N N N N N 67.869 3.384 2.481 -0.760 0.081 -3.072 C8S GCG 27 GCG C9S C9S C 0 1 N N N N N N 67.285 2.284 1.540 0.072 0.449 -4.301 C9S GCG 28 GCG N11 N10S N 0 1 N N N N N N 66.170 1.430 1.957 -0.677 0.118 -5.516 N11 GCG 29 GCG C5 C5 C 0 1 N N N N N N 64.900 1.858 2.103 -0.136 0.357 -6.727 C5 GCG 30 GCG N5 N5 N 0 1 N N N N N N 62.757 1.651 3.016 -0.109 0.370 -9.153 N5 GCG 31 GCG CA5 CA5 C 0 1 N N N N N N 63.858 0.843 2.538 -0.907 0.017 -7.976 CA5 GCG 32 GCG O5 O5 O 0 1 N N N N N N 64.562 3.034 1.926 0.970 0.847 -6.811 O5 GCG 33 GCG C6 C6 C 0 1 N N N N N N 61.489 1.288 2.921 -0.600 0.153 -10.390 C6 GCG 34 GCG N6 N6 N 0 1 N N N N N N 59.504 2.727 2.519 -0.529 0.184 -12.815 N6 GCG 35 GCG CA6 CA6 C 0 1 N N R N N N 60.536 2.332 3.470 0.220 0.515 -11.601 CA6 GCG 36 GCG O6 O6 O 0 1 N N N N N N 61.109 0.218 2.436 -1.702 -0.334 -10.528 O6 GCG 37 GCG CB6 CB6 C 0 1 N N N N N N 59.966 1.872 4.771 0.522 2.015 -11.581 CB6 GCG 38 GCG SG6 SG6 S 0 1 N N N N N N 60.878 2.568 6.195 1.510 2.452 -13.038 SG6 GCG 39 GCG CD7 CD7 C 0 1 N N N N N N 58.966 3.953 2.670 0.128 -0.162 -13.939 CD7 GCG 40 GCG C7 C7 C 0 1 N N N N N N 54.967 1.969 1.126 0.517 -1.555 -18.683 C7 GCG 41 GCG CA7 CA7 C 0 1 N N S N N N 56.440 2.351 1.264 -0.446 -1.204 -17.579 CA7 GCG 42 GCG O17 O17 O 0 1 N N N N N N 54.147 2.450 1.902 0.979 -0.596 -19.500 O17 GCG 43 GCG O27 O27 O 0 1 N N N N N N 54.653 1.190 0.218 0.873 -2.700 -18.833 O27 GCG 44 GCG CB7 CB7 C 0 1 N N N N N N 56.565 3.758 1.845 0.336 -0.859 -16.310 CB7 GCG 45 GCG N7 N7 N 0 1 N N N N N N 56.929 2.327 -0.145 -1.326 -2.350 -17.314 N7 GCG 46 GCG CG7 CG7 C 0 1 N N N N N N 57.920 4.392 1.650 -0.641 -0.502 -15.189 CG7 GCG 47 GCG OD7 OD7 O 0 1 N N N N N N 59.269 4.697 3.602 1.341 -0.200 -13.945 OD7 GCG 48 GCG HA1 HA1 H 0 1 N N N N N N 57.273 9.855 6.498 1.251 0.665 17.820 HA1 GCG 49 GCG HO11 HO11 H 0 0 N N N N N N 57.656 13.438 6.243 -0.073 -1.563 20.254 HO11 GCG 50 GCG HB11 1HB1 H 0 0 N N N N N N 60.281 9.817 5.856 0.846 -1.759 16.012 HB11 GCG 51 GCG HB12 2HB1 H 0 0 N N N N N N 59.530 9.358 7.320 -0.428 -0.638 16.545 HB12 GCG 52 GCG HN11 1HN1 H 0 0 N N N N N N 57.644 9.299 4.258 3.047 -1.450 16.941 HN11 GCG 53 GCG HN12 2HN1 H 0 0 N N N N N N 58.604 10.675 3.830 3.053 0.066 16.376 HN12 GCG 54 GCG HG11 1HG1 H 0 0 N N N N N N 58.233 7.442 5.946 0.758 1.236 15.439 HG11 GCG 55 GCG HG12 2HG1 H 0 0 N N N N N N 59.182 7.849 4.592 2.033 0.115 14.906 HG12 GCG 56 GCG H2 H2 H 0 1 N N N N N N 61.351 7.193 4.494 0.914 1.279 12.748 H2 GCG 57 GCG HA2 HA2 H 0 1 N N N N N N 62.313 5.486 6.857 -0.732 -0.880 11.638 HA2 GCG 58 GCG HB21 1HB2 H 0 0 N N N N N N 61.879 4.715 4.114 -1.613 2.042 11.629 HB21 GCG 59 GCG HB22 2HB2 H 0 0 N N N N N N 63.579 4.867 4.231 -2.426 0.710 10.772 HB22 GCG 60 GCG HG2 HG2 H 0 1 N N N N N N 62.886 2.328 5.084 -3.837 1.340 12.979 HG2 GCG 61 GCG H3 H3 H 0 1 N N N N N N 63.843 6.580 7.859 -1.181 -0.105 9.096 H3 GCG 62 GCG HA31 1HA3 H 0 0 N N N N N N 65.268 8.893 6.970 0.664 1.683 7.926 HA31 GCG 63 GCG HA32 2HA3 H 0 0 N N N N N N 65.787 7.922 8.283 1.384 0.055 7.925 HA32 GCG 64 GCG HNS1 1HNS H 0 0 N N N N N N 67.494 9.209 6.697 0.991 0.855 5.382 HNS1 GCG 65 GCG H2S1 1H2S H 0 0 N N N N N N 69.799 8.473 6.147 -0.907 -0.957 4.339 H2S1 GCG 66 GCG H2S2 2H2S H 0 0 N N N N N N 69.167 6.978 5.554 -1.627 0.671 4.339 H2S2 GCG 67 GCG H3S1 1H3S H 0 0 N N N N N N 68.987 9.678 4.118 0.301 1.523 3.034 H3S1 GCG 68 GCG H3S2 2H3S H 0 0 N N N N N N 70.210 8.465 3.842 1.021 -0.104 3.034 H3S2 GCG 69 GCG H4S1 1H4S H 0 0 N N N N N N 67.276 8.363 2.982 -0.967 -0.983 1.841 H4S1 GCG 70 GCG H4S2 2H4S H 0 0 N N N N N N 68.650 8.644 1.977 -1.686 0.644 1.842 H4S2 GCG 71 GCG H5S1 1H5S H 0 0 N N N N N N 68.204 6.395 1.432 0.241 1.497 0.537 H5S1 GCG 72 GCG H5S2 2H5S H 0 0 N N N N N N 69.432 6.162 2.583 0.961 -0.130 0.537 H5S2 GCG 73 GCG H7S1 1H7S H 0 0 N N N N N N 65.977 4.297 3.054 0.237 1.495 -1.789 H7S1 GCG 74 GCG H7S2 2H7S H 0 0 N N N N N N 66.618 4.928 1.592 0.956 -0.132 -1.789 H7S2 GCG 75 GCG HNS6 6HNS H 0 0 N N N N N N 66.723 6.329 3.712 -0.864 -0.931 -0.622 HNS6 GCG 76 GCG H8S1 1H8S H 0 0 N N N N N N 68.892 3.684 2.156 -0.976 -0.986 -3.086 H8S1 GCG 77 GCG H8S2 2H8S H 0 0 N N N N N N 68.113 2.962 3.484 -1.696 0.641 -3.086 H8S2 GCG 78 GCG H9S1 1H9S H 0 0 N N N N N N 67.001 2.771 0.578 0.287 1.518 -4.287 H9S1 GCG 79 GCG H9S2 2H9S H 0 0 N N N N N N 68.124 1.621 1.225 1.007 -0.109 -4.287 H9S2 GCG 80 GCG H10S H10S H 0 0 N N N N N N 66.289 0.439 2.166 -1.562 -0.272 -5.448 H10S GCG 81 GCG H5 H5 H 0 1 N N N N N N 62.886 2.559 3.460 0.771 0.759 -9.043 H5 GCG 82 GCG HA51 1HA5 H 0 0 N N N N N N 63.577 0.107 1.748 -1.122 -1.051 -7.990 HA51 GCG 83 GCG HA52 2HA5 H 0 0 N N N N N N 64.229 0.093 3.274 -1.842 0.577 -7.990 HA52 GCG 84 GCG H6 H6 H 0 1 N N N N N N 59.160 2.148 1.752 -1.498 0.215 -12.811 H6 GCG 85 GCG HA6 HA6 H 0 1 N N N N N N 61.126 3.260 3.652 1.155 -0.043 -11.587 HA6 GCG 86 GCG HB61 1HB6 H 0 0 N N N N N N 58.875 2.095 4.838 -0.412 2.575 -11.595 HB61 GCG 87 GCG HB62 2HB6 H 0 0 N N N N N N 59.919 0.759 4.823 1.080 2.261 -10.677 HB62 GCG 88 GCG HG6 HG6 H 0 1 N N N N N N 60.515 2.275 7.022 1.660 3.772 -12.832 HG6 GCG 89 GCG HA7 HA7 H 0 1 N N N N N N 57.012 1.674 1.940 -1.047 -0.346 -17.880 HA7 GCG 90 GCG HO17 HO17 H 0 0 N N N N N N 53.231 2.212 1.816 1.598 -0.821 -20.208 HO17 GCG 91 GCG HB71 1HB7 H 0 0 N N N N N N 55.763 4.419 1.440 0.989 -0.008 -16.506 HB71 GCG 92 GCG HB72 2HB7 H 0 0 N N N N N N 56.285 3.759 2.924 0.937 -1.716 -16.009 HB72 GCG 93 GCG HN71 1HN7 H 0 0 N N N N N N 57.912 2.582 -0.052 -0.729 -3.117 -17.040 HN71 GCG 94 GCG HN72 2HN7 H 0 0 N N N N N N 56.396 2.911 -0.789 -1.879 -2.110 -16.505 HN72 GCG 95 GCG HG71 1HG7 H 0 0 N N N N N N 57.832 5.503 1.633 -1.294 -1.353 -14.992 HG71 GCG 96 GCG HG72 2HG7 H 0 0 N N N N N N 58.288 4.215 0.612 -1.243 0.355 -15.490 HG72 GCG 97 # 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 GCG C1 CA1 SING N N 1 GCG C1 O11 SING N N 2 GCG C1 O21 DOUB N N 3 GCG CA1 CB1 SING N N 4 GCG CA1 N1 SING N N 5 GCG CA1 HA1 SING N N 6 GCG O11 HO11 SING N N 7 GCG CB1 CG1 SING N N 8 GCG CB1 HB11 SING N N 9 GCG CB1 HB12 SING N N 10 GCG N1 HN11 SING N N 11 GCG N1 HN12 SING N N 12 GCG CG1 CD1 SING N N 13 GCG CG1 HG11 SING N N 14 GCG CG1 HG12 SING N N 15 GCG CD1 OD1 DOUB N N 16 GCG CD1 N2 SING N N 17 GCG N2 CA2 SING N N 18 GCG N2 H2 SING N N 19 GCG CA2 C2 SING N N 20 GCG CA2 CB2 SING N N 21 GCG CA2 HA2 SING N N 22 GCG C2 O2 DOUB N N 23 GCG C2 N3 SING N N 24 GCG CB2 SG2 SING N N 25 GCG CB2 HB21 SING N N 26 GCG CB2 HB22 SING N N 27 GCG SG2 HG2 SING N N 28 GCG N3 CA3 SING N N 29 GCG N3 H3 SING N N 30 GCG CA3 C3 SING N N 31 GCG CA3 HA31 SING N N 32 GCG CA3 HA32 SING N N 33 GCG C3 O3 DOUB N N 34 GCG C3 N1S SING N N 35 GCG N1S C2S SING N N 36 GCG N1S HNS1 SING N N 37 GCG C2S C3S SING N N 38 GCG C2S H2S1 SING N N 39 GCG C2S H2S2 SING N N 40 GCG C3S C4S SING N N 41 GCG C3S H3S1 SING N N 42 GCG C3S H3S2 SING N N 43 GCG C4S C5S SING N N 44 GCG C4S H4S1 SING N N 45 GCG C4S H4S2 SING N N 46 GCG C5S N6S SING N N 47 GCG C5S H5S1 SING N N 48 GCG C5S H5S2 SING N N 49 GCG C7S N6S SING N N 50 GCG C7S C8S SING N N 51 GCG C7S H7S1 SING N N 52 GCG C7S H7S2 SING N N 53 GCG N6S HNS6 SING N N 54 GCG C8S C9S SING N N 55 GCG C8S H8S1 SING N N 56 GCG C8S H8S2 SING N N 57 GCG C9S N11 SING N N 58 GCG C9S H9S1 SING N N 59 GCG C9S H9S2 SING N N 60 GCG N11 C5 SING N N 61 GCG N11 H10S SING N N 62 GCG C5 CA5 SING N N 63 GCG C5 O5 DOUB N N 64 GCG N5 CA5 SING N N 65 GCG N5 C6 SING N N 66 GCG N5 H5 SING N N 67 GCG CA5 HA51 SING N N 68 GCG CA5 HA52 SING N N 69 GCG C6 CA6 SING N N 70 GCG C6 O6 DOUB N N 71 GCG N6 CA6 SING N N 72 GCG N6 CD7 SING N N 73 GCG N6 H6 SING N N 74 GCG CA6 CB6 SING N N 75 GCG CA6 HA6 SING N N 76 GCG CB6 SG6 SING N N 77 GCG CB6 HB61 SING N N 78 GCG CB6 HB62 SING N N 79 GCG SG6 HG6 SING N N 80 GCG CD7 CG7 SING N N 81 GCG CD7 OD7 DOUB N N 82 GCG C7 CA7 SING N N 83 GCG C7 O17 SING N N 84 GCG C7 O27 DOUB N N 85 GCG CA7 CB7 SING N N 86 GCG CA7 N7 SING N N 87 GCG CA7 HA7 SING N N 88 GCG O17 HO17 SING N N 89 GCG CB7 CG7 SING N N 90 GCG CB7 HB71 SING N N 91 GCG CB7 HB72 SING N N 92 GCG N7 HN71 SING N N 93 GCG N7 HN72 SING N N 94 GCG CG7 HG71 SING N N 95 GCG CG7 HG72 SING N N 96 # 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 GCG SMILES ACDLabs 10.04 "O=C(NCC(=O)NCCCNCCCCNC(=O)CNC(=O)C(NC(=O)CCC(C(=O)O)N)CS)C(NC(=O)CCC(C(=O)O)N)CS" GCG SMILES_CANONICAL CACTVS 3.341 "N[C@@H](CCC(=O)N[C@@H](CS)C(=O)NCC(=O)NCCCCNCCCNC(=O)CNC(=O)[C@H](CS)NC(=O)CC[C@H](N)C(O)=O)C(O)=O" GCG SMILES CACTVS 3.341 "N[CH](CCC(=O)N[CH](CS)C(=O)NCC(=O)NCCCCNCCCNC(=O)CNC(=O)[CH](CS)NC(=O)CC[CH](N)C(O)=O)C(O)=O" GCG SMILES_CANONICAL "OpenEye OEToolkits" 1.5.0 "C(CCNC(=O)CNC(=O)[C@H](CS)NC(=O)CC[C@@H](C(=O)O)N)CNCCCNC(=O)CNC(=O)[C@H](CS)NC(=O)CC[C@@H](C(=O)O)N" GCG SMILES "OpenEye OEToolkits" 1.5.0 "C(CCNC(=O)CNC(=O)C(CS)NC(=O)CCC(C(=O)O)N)CNCCCNC(=O)CNC(=O)C(CS)NC(=O)CCC(C(=O)O)N" GCG InChI InChI 1.03 "InChI=1S/C27H49N9O10S2/c28-16(26(43)44)4-6-20(37)35-18(14-47)24(41)33-12-22(39)31-10-2-1-8-30-9-3-11-32-23(40)13-34-25(42)19(15-48)36-21(38)7-5-17(29)27(45)46/h16-19,30,47-48H,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" GCG InChIKey InChI 1.03 PHDOXVGRXXAYEB-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 GCG "SYSTEMATIC NAME" ACDLabs 10.04 "(2S,7R,26R,31S)-2,31-diamino-5,8,11,22,25,28-hexaoxo-7,26-bis(sulfanylmethyl)-6,9,12,16,21,24,27-heptaazadotriacontane-1,32-dioic acid (non-preferred name)" GCG "SYSTEMATIC NAME" "OpenEye OEToolkits" 1.5.0 "(2S)-2-amino-5-[[(2R)-1-[[2-[4-[3-[2-[[(2R)-2-[[(4S)-4-amino-5-hydroxy-5-oxo-pentanoyl]amino]-3-sulfanyl-propanoyl]amino]ethanoylamino]propylamino]butylamino]-2-oxo-ethyl]amino]-1-oxo-3-sulfanyl-propan-2-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 GCG "Create component" 1999-07-08 RCSB GCG "Modify descriptor" 2011-06-04 RCSB GCG "Modify synonyms" 2020-06-05 PDBE GCG "Modify PCM" 2024-09-27 PDBE # _pdbx_chem_comp_synonyms.ordinal 1 _pdbx_chem_comp_synonyms.comp_id GCG _pdbx_chem_comp_synonyms.name TRYPANOTHIONE _pdbx_chem_comp_synonyms.provenance ? _pdbx_chem_comp_synonyms.type ? # loop_ _pdbx_chem_comp_pcm.pcm_id _pdbx_chem_comp_pcm.comp_id _pdbx_chem_comp_pcm.modified_residue_id _pdbx_chem_comp_pcm.type _pdbx_chem_comp_pcm.category _pdbx_chem_comp_pcm.position _pdbx_chem_comp_pcm.polypeptide_position _pdbx_chem_comp_pcm.comp_id_linking_atom _pdbx_chem_comp_pcm.modified_residue_id_linking_atom _pdbx_chem_comp_pcm.uniprot_specific_ptm_accession _pdbx_chem_comp_pcm.uniprot_generic_ptm_accession 1 GCG CYS None "Covalent chemical modification" "Amino-acid side chain" "Any position" SG2 SG ? ? 2 GCG CYS None "Covalent chemical modification" "Amino-acid side chain" "Any position" SG6 SG ? ? #