HEADER HYDROLASE/INHIBITOR 29-MAR-12 4AOQ TITLE Cationic trypsin in complex with mutated Spinacia oleracea trypsin TITLE 2 inhibitor III (SOTI-III) (F14A) COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A, B, C; COMPND 4 EC: 3.4.21.4; COMPND 5 MOL_ID: 2; COMPND 6 TRYPSIN INHIBITOR 3; COMPND 7 CHAIN: D, E, F; COMPND 8 MUTATION: YES; COMPND 9 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.00 ANGSTORMS DBREF 4AOQ B 24 246 UNP P00760 TRY1_BOVIN 24 246 DBREF 4AOQ E 1 37 UNP P84781 ITR3_SPIOL 1 37 SEQRES 1 E 35 LYS CYS SER PRO SER GLY ALA ILE CYS SER GLY ALA GLY SEQRES 2 E 35 PRO PRO GLU GLN CYS CYS SER GLY ALA CYS VAL PRO HIS SEQRES 3 E 35 PRO ILE LEU ARG ILE PHE VAL CYS GLN ATOM 1 OH2 1PE B1248 63.574 5.440 57.773 1.00 13.70 ATOM 2 C12 1PE B1248 62.772 4.318 57.815 1.00 25.71 ATOM 3 C22 1PE B1248 63.413 2.978 57.910 1.00 12.40 ATOM 4 OH3 1PE B1248 63.174 2.251 59.054 1.00 23.65 ATOM 5 C13 1PE B1248 61.235 1.022 58.257 1.00 14.64 ATOM 6 C23 1PE B1248 62.567 1.023 58.918 1.00 15.72 ATOM 7 OH4 1PE B1248 60.260 0.258 58.838 1.00 36.51 ATOM 8 C14 1PE B1248 59.230 -0.203 60.986 1.00 24.80 ATOM 9 C24 1PE B1248 59.632 0.772 59.943 1.00 30.44 ATOM 10 OH5 1PE B1248 57.890 -0.270 61.280 1.00 41.70 ATOM 11 C15 1PE B1248 56.188 -1.973 61.728 1.00 40.24 ATOM 12 C25 1PE B1248 57.445 -1.271 62.107 1.00 35.34 ATOM 13 OH6 1PE B1248 55.626 -2.782 62.690 1.00 29.71 ATOM 14 C16 1PE B1248 54.371 -3.043 64.786 1.00 38.30 ATOM 15 C26 1PE B1248 55.062 -2.175 63.792 1.00 31.67 ATOM 16 OH7 1PE B1248 55.146 -3.947 65.485 1.00 35.51 TER ATOM 1 N LYS E 3 44.164 -8.626 79.446 1.00 45.51 ATOM 2 CA LYS E 3 45.495 -8.211 79.877 1.00 44.43 ATOM 3 C LYS E 3 46.543 -8.598 78.832 1.00 50.18 ATOM 4 O LYS E 3 47.702 -8.185 78.913 1.00 39.29 ATOM 5 CB LYS E 3 45.828 -8.820 81.248 1.00 55.30 ATOM 6 CG LYS E 3 47.070 -8.244 81.928 1.00 46.06 ATOM 7 CD LYS E 3 47.014 -6.727 81.982 1.00 49.26 ATOM 8 CE LYS E 3 45.854 -6.241 82.837 1.00 66.46 ATOM 9 NZ LYS E 3 45.361 -4.909 82.383 1.00 61.74 ATOM 10 N CYS E 4 46.121 -9.382 77.843 1.00 38.67 ATOM 11 CA CYS E 4 47.008 -9.817 76.768 1.00 31.53 ATOM 12 C CYS E 4 47.306 -8.663 75.813 1.00 28.06 ATOM 13 O CYS E 4 46.474 -7.778 75.617 1.00 32.38 ATOM 14 CB CYS E 4 46.385 -10.987 76.002 1.00 34.15 ATOM 15 SG CYS E 4 44.859 -10.577 75.124 1.00 29.67 ATOM 16 N SER E 5 48.496 -8.676 75.221 1.00 23.40 ATOM 17 CA SER E 5 48.912 -7.598 74.332 1.00 29.32 ATOM 18 C SER E 5 48.433 -7.829 72.902 1.00 22.43 ATOM 19 O SER E 5 48.383 -8.967 72.434 1.00 20.58 ATOM 20 CB SER E 5 50.433 -7.426 74.368 1.00 23.31 ATOM 21 OG SER E 5 50.877 -7.087 75.671 1.00 24.02 ATOM 22 N PRO E 6 48.062 -6.742 72.206 1.00 26.32 ATOM 23 CA PRO E 6 47.587 -6.819 70.819 1.00 30.20 ATOM 24 C PRO E 6 48.715 -7.050 69.821 1.00 23.65 ATOM 25 O PRO E 6 49.885 -6.825 70.140 1.00 19.16 ATOM 26 CB PRO E 6 46.960 -5.439 70.589 1.00 25.52 ATOM 27 CG PRO E 6 47.682 -4.542 71.534 1.00 24.42 ATOM 28 CD PRO E 6 47.956 -5.375 72.749 1.00 22.66 ATOM 29 N SER E 7 48.352 -7.490 68.621 1.00 18.13 ATOM 30 CA SER E 7 49.318 -7.781 67.564 1.00 17.93 ATOM 31 C SER E 7 50.222 -6.586 67.269 1.00 22.62 ATOM 32 O SER E 7 49.756 -5.452 67.164 1.00 21.52 ATOM 33 CB SER E 7 48.595 -8.213 66.285 1.00 28.95 ATOM 34 OG SER E 7 47.909 -9.441 66.470 1.00 33.78 ATOM 35 N GLY E 8 51.520 -6.847 67.148 1.00 25.07 ATOM 36 CA GLY E 8 52.482 -5.802 66.842 1.00 21.72 ATOM 37 C GLY E 8 52.985 -5.038 68.055 1.00 17.45 ATOM 38 O GLY E 8 53.923 -4.244 67.944 1.00 16.43 ATOM 39 N ALA E 9 52.365 -5.265 69.211 1.00 14.96 ATOM 40 CA ALA E 9 52.793 -4.605 70.443 1.00 16.68 ATOM 41 C ALA E 9 54.088 -5.216 70.957 1.00 8.44 ATOM 42 O ALA E 9 54.379 -6.377 70.693 1.00 12.41 ATOM 43 CB ALA E 9 51.718 -4.692 71.508 1.00 14.28 ATOM 44 N ILE E 10 54.863 -4.431 71.697 1.00 13.31 ATOM 45 CA ILE E 10 56.126 -4.924 72.233 1.00 8.09 ATOM 46 C ILE E 10 55.885 -5.976 73.312 1.00 7.56 ATOM 47 O ILE E 10 54.949 -5.869 74.106 1.00 7.65 ATOM 48 CB ILE E 10 57.012 -3.770 72.761 1.00 7.89 ATOM 49 CG1 ILE E 10 58.423 -4.267 73.083 1.00 13.46 ATOM 50 CG2 ILE E 10 56.375 -3.090 73.965 1.00 9.27 ATOM 51 CD1 ILE E 10 59.376 -3.155 73.472 1.00 8.42 ATOM 52 N CYS E 11 56.721 -7.008 73.313 1.00 12.06 ATOM 53 CA CYS E 11 56.644 -8.065 74.311 1.00 12.27 ATOM 54 C CYS E 11 58.043 -8.572 74.649 1.00 8.45 ATOM 55 O CYS E 11 59.015 -8.203 73.996 1.00 13.10 ATOM 56 CB CYS E 11 55.769 -9.215 73.802 1.00 12.72 ATOM 57 SG CYS E 11 56.284 -9.910 72.210 1.00 11.48 ATOM 58 N SER E 12 58.133 -9.419 75.670 1.00 9.80 ATOM 59 CA SER E 12 59.407 -9.982 76.100 1.00 9.13 ATOM 60 C SER E 12 59.619 -11.337 75.452 1.00 7.18 ATOM 61 O SER E 12 58.835 -12.258 75.669 1.00 13.19 ATOM 62 CB SER E 12 59.428 -10.148 77.621 1.00 10.37 ATOM 63 OG SER E 12 59.112 -8.932 78.275 1.00 17.54 ATOM 64 N GLY E 13 60.679 -11.465 74.663 1.00 12.13 ATOM 65 CA GLY E 13 60.971 -12.712 73.973 1.00 14.13 ATOM 66 C GLY E 13 61.079 -13.936 74.867 1.00 14.82 ATOM 67 O GLY E 13 60.679 -15.034 74.476 1.00 17.82 ATOM 68 N ALA E 14 61.621 -13.757 76.067 1.00 9.36 ATOM 69 CA ALA E 14 61.807 -14.875 76.988 1.00 14.61 ATOM 70 C ALA E 14 60.550 -15.114 77.817 1.00 13.91 ATOM 71 O ALA E 14 60.495 -16.028 78.640 1.00 19.52 ATOM 72 CB ALA E 14 63.006 -14.625 77.889 1.00 11.91 ATOM 73 N GLY E 15 59.539 -14.283 77.595 1.00 16.28 ATOM 74 CA GLY E 15 58.306 -14.365 78.353 1.00 16.73 ATOM 75 C GLY E 15 57.418 -15.491 77.872 1.00 16.20 ATOM 76 O GLY E 15 57.709 -16.126 76.857 1.00 15.48 ATOM 77 N PRO E 16 56.330 -15.755 78.607 1.00 23.02 ATOM 78 CA PRO E 16 55.364 -16.778 78.195 1.00 25.31 ATOM 79 C PRO E 16 54.486 -16.272 77.055 1.00 21.60 ATOM 80 O PRO E 16 54.070 -15.112 77.075 1.00 19.69 ATOM 81 CB PRO E 16 54.531 -16.998 79.459 1.00 15.86 ATOM 82 CG PRO E 16 54.606 -15.693 80.186 1.00 20.71 ATOM 83 CD PRO E 16 55.985 -15.152 79.908 1.00 17.58 ATOM 84 N PRO E 17 54.207 -17.137 76.068 1.00 24.47 ATOM 85 CA PRO E 17 53.427 -16.786 74.873 1.00 24.31 ATOM 86 C PRO E 17 52.088 -16.131 75.202 1.00 23.00 ATOM 87 O PRO E 17 51.565 -15.357 74.403 1.00 27.69 ATOM 88 CB PRO E 17 53.204 -18.142 74.184 1.00 36.91 ATOM 89 CG PRO E 17 53.587 -19.187 75.201 1.00 35.78 ATOM 90 CD PRO E 17 54.626 -18.548 76.054 1.00 21.73 ATOM 91 N GLU E 18 51.554 -16.431 76.379 1.00 17.83 ATOM 92 CA GLU E 18 50.271 -15.895 76.808 1.00 16.69 ATOM 93 C GLU E 18 50.260 -14.375 76.947 1.00 17.56 ATOM 94 O GLU E 18 49.194 -13.769 77.010 1.00 20.29 ATOM 95 CB GLU E 18 49.854 -16.540 78.133 1.00 25.61 ATOM 96 CG GLU E 18 50.891 -16.403 79.234 1.00 28.88 ATOM 97 CD GLU E 18 50.593 -17.286 80.428 1.00 31.82 ATOM 98 OE1 GLU E 18 50.826 -18.513 80.337 1.00 20.90 ATOM 99 OE2 GLU E 18 50.121 -16.755 81.458 1.00 30.13 ATOM 100 N GLN E 19 51.439 -13.759 76.998 1.00 24.42 ATOM 101 CA GLN E 19 51.528 -12.305 77.119 1.00 17.01 ATOM 102 C GLN E 19 50.922 -11.604 75.905 1.00 14.25 ATOM 103 O GLN E 19 50.464 -10.468 76.005 1.00 10.85 ATOM 104 CB GLN E 19 52.979 -11.853 77.321 1.00 18.16 ATOM 105 CG GLN E 19 53.861 -12.044 76.103 1.00 23.17 ATOM 106 CD GLN E 19 55.315 -11.719 76.382 1.00 24.08 ATOM 107 OE1 GLN E 19 55.637 -10.648 76.905 1.00 11.28 ATOM 108 NE2 GLN E 19 56.205 -12.647 76.035 1.00 15.29 ATOM 109 N CYS E 20 50.918 -12.290 74.765 1.00 14.94 ATOM 110 CA CYS E 20 50.271 -11.787 73.555 1.00 21.39 ATOM 111 C CYS E 20 48.916 -12.467 73.366 1.00 23.04 ATOM 112 O CYS E 20 48.777 -13.656 73.643 1.00 22.41 ATOM 113 CB CYS E 20 51.159 -12.048 72.333 1.00 16.76 ATOM 114 SG CYS E 20 52.801 -11.285 72.403 1.00 18.09 ATOM 115 N CYS E 21 47.921 -11.720 72.897 1.00 18.33 ATOM 116 CA CYS E 21 46.617 -12.308 72.604 1.00 20.77 ATOM 117 C CYS E 21 46.758 -13.404 71.557 1.00 22.54 ATOM 118 O CYS E 21 46.034 -14.396 71.574 1.00 30.90 ATOM 119 CB CYS E 21 45.638 -11.242 72.115 1.00 17.87 ATOM 120 SG CYS E 21 45.361 -9.896 73.275 1.00 27.74 ATOM 121 N SER E 22 47.717 -13.216 70.658 1.00 21.04 ATOM 122 CA SER E 22 47.949 -14.138 69.555 1.00 21.16 ATOM 123 C SER E 22 48.734 -15.365 69.993 1.00 21.75 ATOM 124 O SER E 22 48.930 -16.293 69.208 1.00 24.86 ATOM 125 CB SER E 22 48.724 -13.435 68.450 1.00 31.29 ATOM 126 OG SER E 22 50.055 -13.194 68.871 1.00 15.69 ATOM 127 N GLY E 23 49.200 -15.357 71.238 1.00 24.24 ATOM 128 CA GLY E 23 49.924 -16.487 71.797 1.00 25.60 ATOM 129 C GLY E 23 51.326 -16.672 71.242 1.00 22.86 ATOM 130 O GLY E 23 51.911 -17.750 71.358 1.00 24.42 ATOM 131 N ALA E 24 51.870 -15.623 70.637 1.00 18.71 ATOM 132 CA ALA E 24 53.212 -15.691 70.071 1.00 25.59 ATOM 133 C ALA E 24 53.922 -14.347 70.124 1.00 21.21 ATOM 134 O ALA E 24 53.466 -13.368 69.531 1.00 20.01 ATOM 135 CB ALA E 24 53.160 -16.206 68.641 1.00 24.52 ATOM 136 N CYS E 25 55.039 -14.317 70.843 1.00 21.46 ATOM 137 CA CYS E 25 55.902 -13.143 70.914 1.00 15.26 ATOM 138 C CYS E 25 57.113 -13.408 70.033 1.00 16.30 ATOM 139 O CYS E 25 57.894 -14.316 70.306 1.00 14.54 ATOM 140 CB CYS E 25 56.339 -12.894 72.357 1.00 14.58 ATOM 141 SG CYS E 25 57.485 -11.506 72.577 1.00 13.67 ATOM 142 N VAL E 26 57.262 -12.626 68.969 1.00 10.17 ATOM 143 CA VAL E 26 58.239 -12.943 67.934 1.00 15.27 ATOM 144 C VAL E 26 59.197 -11.780 67.665 1.00 11.39 ATOM 145 O VAL E 26 58.848 -10.623 67.891 1.00 13.95 ATOM 146 CB VAL E 26 57.536 -13.343 66.619 1.00 18.48 ATOM 147 CG1 VAL E 26 56.664 -14.579 66.839 1.00 19.02 ATOM 148 CG2 VAL E 26 56.709 -12.187 66.086 1.00 18.50 ATOM 149 N PRO E 27 60.415 -12.086 67.189 1.00 13.17 ATOM 150 CA PRO E 27 61.369 -11.029 66.820 1.00 11.36 ATOM 151 C PRO E 27 60.842 -10.169 65.671 1.00 16.78 ATOM 152 O PRO E 27 60.399 -10.723 64.668 1.00 8.52 ATOM 153 CB PRO E 27 62.604 -11.814 66.362 1.00 15.52 ATOM 154 CG PRO E 27 62.092 -13.193 66.027 1.00 21.75 ATOM 155 CD PRO E 27 60.977 -13.435 66.994 1.00 13.45 ATOM 156 N HIS E 28 60.875 -8.844 65.823 1.00 6.98 ATOM 157 CA HIS E 28 60.487 -7.931 64.743 1.00 8.80 ATOM 158 C HIS E 28 61.541 -7.986 63.639 1.00 7.74 ATOM 159 O HIS E 28 62.731 -8.142 63.922 1.00 10.86 ATOM 160 CB HIS E 28 60.336 -6.501 65.283 1.00 8.68 ATOM 161 CG HIS E 28 59.553 -5.589 64.388 1.00 12.40 ATOM 162 ND1 HIS E 28 60.112 -4.951 63.300 1.00 8.66 ATOM 163 CD2 HIS E 28 58.259 -5.198 64.431 1.00 12.73 ATOM 164 CE1 HIS E 28 59.191 -4.212 62.708 1.00 12.57 ATOM 165 NE2 HIS E 28 58.058 -4.342 63.374 1.00 16.40 ATOM 166 N PRO E 29 61.110 -7.888 62.371 1.00 10.45 ATOM 167 CA PRO E 29 62.049 -7.941 61.245 1.00 6.69 ATOM 168 C PRO E 29 63.026 -6.773 61.222 1.00 10.90 ATOM 169 O PRO E 29 64.145 -6.923 60.728 1.00 8.09 ATOM 170 CB PRO E 29 61.132 -7.844 60.017 1.00 13.23 ATOM 171 CG PRO E 29 59.797 -8.306 60.495 1.00 19.55 ATOM 172 CD PRO E 29 59.706 -7.857 61.920 1.00 8.92 ATOM 173 N ILE E 30 62.601 -5.626 61.748 1.00 9.88 ATOM 174 CA ILE E 30 63.343 -4.374 61.598 1.00 5.50 ATOM 175 C ILE E 30 63.733 -3.762 62.944 1.00 8.27 ATOM 176 O ILE E 30 64.918 -3.554 63.222 1.00 6.80 ATOM 177 CB ILE E 30 62.513 -3.336 60.816 1.00 5.39 ATOM 178 CG1 ILE E 30 62.123 -3.881 59.438 1.00 16.24 ATOM 179 CG2 ILE E 30 63.293 -2.049 60.651 1.00 5.64 ATOM 180 CD1 ILE E 30 63.296 -4.016 58.474 1.00 7.61 ATOM 181 N LEU E 31 62.728 -3.460 63.766 1.00 4.98 ATOM 182 CA LEU E 31 62.948 -2.994 65.134 1.00 9.16 ATOM 183 C LEU E 31 63.685 -4.052 65.939 1.00 9.15 ATOM 184 O LEU E 31 63.394 -5.241 65.818 1.00 5.01 ATOM 185 CB LEU E 31 61.612 -2.709 65.822 1.00 6.94 ATOM 186 CG LEU E 31 60.710 -1.655 65.181 1.00 10.97 ATOM 187 CD1 LEU E 31 59.449 -1.458 66.010 1.00 10.89 ATOM 188 CD2 LEU E 31 61.460 -0.358 65.051 1.00 10.18 ATOM 189 N ARG E 32 64.623 -3.629 66.779 1.00 5.63 ATOM 190 CA ARG E 32 65.371 -4.590 67.590 1.00 5.97 ATOM 191 C ARG E 32 64.648 -4.949 68.900 1.00 6.33 ATOM 192 O ARG E 32 65.267 -5.085 69.958 1.00 5.29 ATOM 193 CB ARG E 32 66.821 -4.131 67.816 1.00 8.02 ATOM 194 CG ARG E 32 67.802 -4.726 66.782 1.00 15.60 ATOM 195 CD ARG E 32 68.415 -3.687 65.841 1.00 11.34 ATOM 196 NE ARG E 32 68.910 -4.291 64.597 1.00 13.40 ATOM 197 CZ ARG E 32 70.186 -4.319 64.214 1.00 12.16 ATOM 198 NH1 ARG E 32 71.128 -3.765 64.966 1.00 9.76 ATOM 199 NH2 ARG E 32 70.521 -4.899 63.068 1.00 8.99 ATOM 200 N ILE E 33 63.330 -5.111 68.794 1.00 6.98 ATOM 201 CA ILE E 33 62.491 -5.647 69.863 1.00 6.25 ATOM 202 C ILE E 33 61.755 -6.901 69.405 1.00 10.43 ATOM 203 O ILE E 33 61.724 -7.217 68.215 1.00 10.42 ATOM 204 CB ILE E 33 61.397 -4.648 70.276 1.00 7.44 ATOM 205 CG1 ILE E 33 60.639 -4.158 69.040 1.00 4.94 ATOM 206 CG2 ILE E 33 61.988 -3.480 71.035 1.00 5.92 ATOM 207 CD1 ILE E 33 59.382 -3.366 69.359 1.00 8.63 ATOM 208 N PHE E 34 61.136 -7.588 70.359 1.00 12.10 ATOM 209 CA PHE E 34 60.172 -8.641 70.062 1.00 9.54 ATOM 210 C PHE E 34 58.776 -8.023 70.041 1.00 15.07 ATOM 211 O PHE E 34 58.496 -7.092 70.800 1.00 6.31 ATOM 212 CB PHE E 34 60.249 -9.748 71.119 1.00 9.94 ATOM 213 CG PHE E 34 61.434 -10.666 70.959 1.00 8.15 ATOM 214 CD1 PHE E 34 62.713 -10.245 71.291 1.00 11.70 ATOM 215 CD2 PHE E 34 61.265 -11.954 70.472 1.00 12.05 ATOM 216 CE1 PHE E 34 63.797 -11.094 71.142 1.00 8.96 ATOM 217 CE2 PHE E 34 62.345 -12.804 70.320 1.00 10.17 ATOM 218 CZ PHE E 34 63.610 -12.374 70.654 1.00 11.57 ATOM 219 N VAL E 35 57.907 -8.517 69.162 1.00 12.04 ATOM 220 CA VAL E 35 56.537 -8.013 69.089 1.00 8.58 ATOM 221 C VAL E 35 55.524 -9.157 69.085 1.00 13.00 ATOM 222 O VAL E 35 55.845 -10.272 68.684 1.00 9.42 ATOM 223 CB VAL E 35 56.304 -7.130 67.839 1.00 14.20 ATOM 224 CG1 VAL E 35 57.155 -5.868 67.899 1.00 12.26 ATOM 225 CG2 VAL E 35 56.592 -7.914 66.565 1.00 9.36 ATOM 226 N CYS E 36 54.310 -8.885 69.553 1.00 8.16 ATOM 227 CA CYS E 36 53.241 -9.876 69.474 1.00 17.45 ATOM 228 C CYS E 36 52.892 -10.161 68.022 1.00 23.18 ATOM 229 O CYS E 36 52.680 -9.237 67.231 1.00 16.71 ATOM 230 CB CYS E 36 51.999 -9.416 70.239 1.00 14.33 ATOM 231 SG CYS E 36 52.221 -9.381 72.028 1.00 18.54 ATOM 232 N GLN E 37 52.856 -11.445 67.678 1.00 19.16 ATOM 233 CA GLN E 37 52.525 -11.874 66.328 1.00 21.44 ATOM 234 C GLN E 37 51.138 -11.371 65.938 1.00 24.76 ATOM 235 O GLN E 37 50.228 -11.276 66.770 1.00 23.73 ATOM 236 CB GLN E 37 52.586 -13.400 66.227 1.00 19.24 ATOM 237 CG GLN E 37 52.859 -13.927 64.829 1.00 28.39 ATOM 238 CD GLN E 37 52.878 -15.442 64.775 1.00 31.48 ATOM 239 OE1 GLN E 37 52.014 -16.108 65.347 1.00 41.46 ATOM 240 NE2 GLN E 37 53.873 -15.996 64.093 1.00 33.30 ATOM 241 OXT GLN E 37 50.908 -11.024 64.782 1.00 21.56 TER