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: 2; COMPND 2 MOLECULE: TRYPSIN INHIBITOR 3; COMPND 3 CHAIN: D, E, F; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.00 ANGSTORMS REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLU D 1 REMARK 465 ASP D 2 REMARK 465 LYS D 3 DBREF 4AOQ D 1 37 UNP P84781 ITR3_SPIOL 1 37 SEQRES 1 D 34 GLU ASP LYS CYS SER PRO SER GLY ALA ILE CYS SER GLY SEQRES 2 D 34 ALA GLY PRO PRO GLU GLN CYS CYS SER GLY ALA CYS VAL SEQRES 3 D 34 PRO HIS PRO ILE LEU ARG ILE PHE ATOM 1 N CYS D 4 54.640 11.685 114.508 1.00 30.31 ATOM 2 CA CYS D 4 54.088 10.945 113.378 1.00 20.92 ATOM 3 C CYS D 4 55.185 10.407 112.451 1.00 18.27 ATOM 4 O CYS D 4 56.297 10.930 112.430 1.00 20.11 ATOM 5 CB CYS D 4 53.082 11.808 112.609 1.00 11.68 ATOM 6 SG CYS D 4 53.754 13.337 111.881 1.00 19.91 ATOM 7 N SER D 5 54.867 9.354 111.697 1.00 13.32 ATOM 8 CA SER D 5 55.855 8.665 110.861 1.00 15.67 ATOM 9 C SER D 5 55.891 9.197 109.421 1.00 9.45 ATOM 10 O SER D 5 54.861 9.597 108.870 1.00 9.39 ATOM 11 CB SER D 5 55.586 7.148 110.839 1.00 10.70 ATOM 12 OG SER D 5 55.593 6.580 112.137 1.00 15.24 ATOM 13 N PRO D 6 57.081 9.189 108.801 1.00 6.51 ATOM 14 CA PRO D 6 57.237 9.624 107.408 1.00 8.52 ATOM 15 C PRO D 6 56.617 8.649 106.415 1.00 12.38 ATOM 16 O PRO D 6 56.377 7.494 106.772 1.00 9.74 ATOM 17 CB PRO D 6 58.762 9.647 107.216 1.00 9.23 ATOM 18 CG PRO D 6 59.290 8.692 108.233 1.00 11.68 ATOM 19 CD PRO D 6 58.369 8.811 109.412 1.00 9.90 ATOM 20 N SER D 7 56.371 9.110 105.189 1.00 9.44 ATOM 21 CA SER D 7 55.902 8.229 104.126 1.00 13.59 ATOM 22 C SER D 7 56.868 7.063 103.948 1.00 9.36 ATOM 23 O SER D 7 58.087 7.242 104.000 1.00 13.97 ATOM 24 CB SER D 7 55.765 8.994 102.809 1.00 14.87 ATOM 25 OG SER D 7 54.835 10.057 102.943 1.00 25.94 ATOM 26 N GLY D 8 56.322 5.867 103.753 1.00 11.10 ATOM 27 CA GLY D 8 57.143 4.688 103.531 1.00 9.55 ATOM 28 C GLY D 8 57.538 3.946 104.797 1.00 10.27 ATOM 29 O GLY D 8 57.966 2.792 104.736 1.00 10.84 ATOM 30 N ALA D 9 57.400 4.595 105.949 1.00 8.58 ATOM 31 CA ALA D 9 57.779 3.960 107.210 1.00 9.90 ATOM 32 C ALA D 9 56.712 2.974 107.649 1.00 12.55 ATOM 33 O ALA D 9 55.524 3.171 107.384 1.00 11.64 ATOM 34 CB ALA D 9 58.014 4.997 108.293 1.00 9.18 ATOM 35 N ILE D 10 57.136 1.917 108.334 1.00 10.08 ATOM 36 CA ILE D 10 56.212 0.879 108.763 1.00 9.26 ATOM 37 C ILE D 10 55.138 1.461 109.685 1.00 16.34 ATOM 38 O ILE D 10 55.421 2.321 110.519 1.00 6.97 ATOM 39 CB ILE D 10 56.960 -0.303 109.436 1.00 11.28 ATOM 40 CG1 ILE D 10 56.025 -1.496 109.654 1.00 14.06 ATOM 41 CG2 ILE D 10 57.612 0.125 110.738 1.00 16.01 ATOM 42 CD1 ILE D 10 56.763 -2.773 110.018 1.00 11.68 ATOM 43 N CYS D 11 53.895 1.032 109.493 1.00 6.65 ATOM 44 CA CYS D 11 52.805 1.459 110.373 1.00 13.30 ATOM 45 C CYS D 11 51.836 0.311 110.647 1.00 12.73 ATOM 46 O CYS D 11 51.910 -0.729 110.006 1.00 11.79 ATOM 47 CB CYS D 11 52.064 2.667 109.793 1.00 8.76 ATOM 48 SG CYS D 11 51.247 2.394 108.200 1.00 10.42 ATOM 49 N SER D 12 50.938 0.510 111.606 1.00 13.59 ATOM 50 CA SER D 12 49.979 -0.515 111.993 1.00 10.17 ATOM 51 C SER D 12 48.669 -0.334 111.247 1.00 15.01 ATOM 52 O SER D 12 48.016 0.703 111.373 1.00 15.15 ATOM 53 CB SER D 12 49.718 -0.470 113.498 1.00 10.67 ATOM 54 OG SER D 12 50.889 -0.779 114.232 1.00 10.55 ATOM 55 N GLY D 13 48.289 -1.347 110.474 1.00 12.56 ATOM 56 CA GLY D 13 47.070 -1.310 109.688 1.00 13.25 ATOM 57 C GLY D 13 45.843 -0.866 110.460 1.00 21.24 ATOM 58 O GLY D 13 45.095 -0.004 109.996 1.00 15.90 ATOM 59 N ALA D 14 45.643 -1.440 111.645 1.00 14.53 ATOM 60 CA ALA D 14 44.453 -1.159 112.446 1.00 18.76 ATOM 61 C ALA D 14 44.682 0.000 113.406 1.00 21.05 ATOM 62 O ALA D 14 43.840 0.295 114.252 1.00 28.33 ATOM 63 CB ALA D 14 44.015 -2.404 113.212 1.00 18.12 ATOM 64 N GLY D 15 45.830 0.653 113.280 1.00 17.81 ATOM 65 CA GLY D 15 46.134 1.787 114.126 1.00 16.73 ATOM 66 C GLY D 15 45.342 3.006 113.701 1.00 21.33 ATOM 67 O GLY D 15 44.593 2.958 112.721 1.00 22.12 ATOM 68 N PRO D 16 45.496 4.110 114.441 1.00 15.04 ATOM 69 CA PRO D 16 44.890 5.387 114.052 1.00 21.67 ATOM 70 C PRO D 16 45.643 5.995 112.869 1.00 24.30 ATOM 71 O PRO D 16 46.874 5.987 112.866 1.00 23.90 ATOM 72 CB PRO D 16 45.074 6.252 115.299 1.00 17.94 ATOM 73 CG PRO D 16 46.277 5.688 115.979 1.00 25.68 ATOM 74 CD PRO D 16 46.264 4.212 115.696 1.00 18.42 ATOM 75 N PRO D 17 44.914 6.530 111.875 1.00 35.25 ATOM 76 CA PRO D 17 45.563 7.054 110.665 1.00 25.95 ATOM 77 C PRO D 17 46.541 8.185 110.971 1.00 21.78 ATOM 78 O PRO D 17 47.427 8.471 110.166 1.00 22.10 ATOM 79 CB PRO D 17 44.389 7.587 109.836 1.00 25.98 ATOM 80 CG PRO D 17 43.179 6.895 110.378 1.00 26.15 ATOM 81 CD PRO D 17 43.451 6.704 111.835 1.00 30.12 ATOM 82 N GLU D 18 46.381 8.816 112.130 0.74 18.39 ATOM 83 CA GLU D 18 47.267 9.906 112.527 0.74 22.01 ATOM 84 C GLU D 18 48.653 9.423 112.952 0.74 19.39 ATOM 85 O GLU D 18 49.516 10.228 113.300 0.74 14.83 ATOM 86 CB GLU D 18 46.636 10.753 113.636 0.74 24.93 ATOM 87 CG GLU D 18 46.271 9.984 114.892 0.74 24.11 ATOM 88 CD GLU D 18 44.783 9.715 114.995 0.74 27.74 ATOM 89 OE1 GLU D 18 44.195 9.206 114.015 0.74 26.43 ATOM 90 OE2 GLU D 18 44.202 10.020 116.058 0.74 28.17 ATOM 91 N GLN D 19 48.871 8.112 112.915 1.00 21.27 ATOM 92 CA GLN D 19 50.194 7.557 113.203 1.00 22.18 ATOM 93 C GLN D 19 51.154 7.938 112.074 1.00 10.87 ATOM 94 O GLN D 19 52.368 7.975 112.259 1.00 13.35 ATOM 95 CB GLN D 19 50.140 6.034 113.379 1.00 20.70 ATOM 96 CG GLN D 19 49.813 5.259 112.109 1.00 16.32 ATOM 97 CD GLN D 19 49.564 3.778 112.374 1.00 15.87 ATOM 98 OE1 GLN D 19 50.359 3.111 113.037 1.00 10.21 ATOM 99 NE2 GLN D 19 48.460 3.260 111.850 1.00 13.00 ATOM 100 N CYS D 20 50.584 8.226 110.908 1.00 10.34 ATOM 101 CA CYS D 20 51.344 8.688 109.755 1.00 12.24 ATOM 102 C CYS D 20 51.078 10.171 109.545 1.00 18.96 ATOM 103 O CYS D 20 49.929 10.605 109.618 1.00 14.31 ATOM 104 CB CYS D 20 50.921 7.922 108.503 1.00 13.96 ATOM 105 SG CYS D 20 51.160 6.133 108.595 1.00 10.07 ATOM 106 N CYS D 21 52.133 10.941 109.277 1.00 16.48 ATOM 107 CA CYS D 21 51.994 12.375 109.010 1.00 17.40 ATOM 108 C CYS D 21 51.050 12.647 107.842 1.00 26.51 ATOM 109 O CYS D 21 50.338 13.651 107.826 1.00 20.80 ATOM 110 CB CYS D 21 53.359 13.009 108.740 1.00 17.30 ATOM 111 SG CYS D 21 54.544 12.818 110.081 1.00 15.84 ATOM 112 N SER D 22 51.043 11.742 106.869 1.00 10.68 ATOM 113 CA SER D 22 50.156 11.867 105.716 1.00 15.39 ATOM 114 C SER D 22 48.697 11.599 106.070 1.00 13.97 ATOM 115 O SER D 22 47.801 11.862 105.268 1.00 13.63 ATOM 116 CB SER D 22 50.569 10.891 104.621 1.00 19.45 ATOM 117 OG SER D 22 50.199 9.569 104.975 1.00 15.58 ATOM 118 N GLY D 23 48.465 11.053 107.258 1.00 12.79 ATOM 119 CA GLY D 23 47.123 10.697 107.681 1.00 21.75 ATOM 120 C GLY D 23 46.587 9.410 107.075 1.00 21.10 ATOM 121 O GLY D 23 45.384 9.157 107.122 1.00 17.08 ATOM 122 N ALA D 24 47.468 8.588 106.511 1.00 20.79 ATOM 123 CA ALA D 24 47.041 7.328 105.908 1.00 13.04 ATOM 124 C ALA D 24 48.069 6.204 106.043 1.00 14.78 ATOM 125 O ALA D 24 49.228 6.362 105.658 1.00 11.53 ATOM 126 CB ALA D 24 46.686 7.540 104.448 1.00 13.24 ATOM 127 N CYS D 25 47.620 5.072 106.580 1.00 10.15 ATOM 128 CA CYS D 25 48.433 3.865 106.710 1.00 9.30 ATOM 129 C CYS D 25 47.908 2.825 105.729 1.00 12.38 ATOM 130 O CYS D 25 46.779 2.347 105.861 1.00 12.34 ATOM 131 CB CYS D 25 48.371 3.329 108.141 1.00 8.97 ATOM 132 SG CYS D 25 49.324 1.806 108.445 1.00 12.77 ATOM 133 N VAL D 26 48.727 2.486 104.737 1.00 8.76 ATOM 134 CA VAL D 26 48.261 1.712 103.590 1.00 8.62 ATOM 135 C VAL D 26 49.106 0.452 103.381 1.00 12.86 ATOM 136 O VAL D 26 50.245 0.383 103.846 1.00 9.38 ATOM 137 CB VAL D 26 48.292 2.563 102.293 1.00 18.30 ATOM 138 CG1 VAL D 26 47.403 3.797 102.433 1.00 19.54 ATOM 139 CG2 VAL D 26 49.721 2.955 101.937 1.00 14.20 ATOM 140 N PRO D 27 48.546 -0.554 102.693 1.00 13.78 ATOM 141 CA PRO D 27 49.328 -1.748 102.352 1.00 14.25 ATOM 142 C PRO D 27 50.539 -1.390 101.497 1.00 12.00 ATOM 143 O PRO D 27 50.433 -0.565 100.595 1.00 10.41 ATOM 144 CB PRO D 27 48.345 -2.583 101.522 1.00 15.18 ATOM 145 CG PRO D 27 46.988 -2.135 101.982 1.00 23.63 ATOM 146 CD PRO D 27 47.138 -0.671 102.267 1.00 21.29 ATOM 147 N HIS D 28 51.686 -1.988 101.797 1.00 11.09 ATOM 148 CA HIS D 28 52.813 -1.924 100.889 1.00 6.36 ATOM 149 C HIS D 28 52.478 -2.834 99.705 1.00 10.33 ATOM 150 O HIS D 28 51.834 -3.872 99.880 1.00 9.29 ATOM 151 CB HIS D 28 54.094 -2.375 101.592 1.00 9.08 ATOM 152 CG HIS D 28 55.343 -1.978 100.875 1.00 8.64 ATOM 153 ND1 HIS D 28 55.819 -2.653 99.771 1.00 8.03 ATOM 154 CD2 HIS D 28 56.224 -0.971 101.106 1.00 13.49 ATOM 155 CE1 HIS D 28 56.931 -2.079 99.350 1.00 14.01 ATOM 156 NE2 HIS D 28 57.198 -1.056 100.145 1.00 10.30 ATOM 157 N PRO D 29 52.885 -2.441 98.488 1.00 8.61 ATOM 158 CA PRO D 29 52.567 -3.283 97.327 1.00 10.75 ATOM 159 C PRO D 29 53.370 -4.586 97.276 1.00 11.71 ATOM 160 O PRO D 29 52.923 -5.557 96.667 1.00 14.01 ATOM 161 CB PRO D 29 52.957 -2.398 96.133 1.00 8.55 ATOM 162 CG PRO D 29 53.984 -1.449 96.684 1.00 19.21 ATOM 163 CD PRO D 29 53.546 -1.180 98.102 1.00 11.03 ATOM 164 N ILE D 30 54.540 -4.600 97.906 0.46 10.03 ATOM 165 CA ILE D 30 55.448 -5.743 97.816 0.46 7.73 ATOM 166 C ILE D 30 55.662 -6.422 99.173 0.46 9.54 ATOM 167 O ILE D 30 55.387 -7.614 99.335 0.46 6.77 ATOM 168 CB ILE D 30 56.816 -5.321 97.238 0.46 9.05 ATOM 169 CG1 ILE D 30 56.644 -4.664 95.864 0.46 9.55 ATOM 170 CG2 ILE D 30 57.750 -6.513 97.148 0.46 10.56 ATOM 171 CD1 ILE D 30 55.939 -5.539 94.843 0.46 8.26 ATOM 172 N LEU D 31 56.160 -5.657 100.141 1.00 7.20 ATOM 173 CA LEU D 31 56.355 -6.156 101.504 1.00 7.76 ATOM 174 C LEU D 31 55.004 -6.445 102.152 1.00 5.39 ATOM 175 O LEU D 31 54.018 -5.775 101.853 1.00 7.05 ATOM 176 CB LEU D 31 57.104 -5.114 102.337 1.00 5.03 ATOM 177 CG LEU D 31 58.522 -4.768 101.878 1.00 9.69 ATOM 178 CD1 LEU D 31 59.096 -3.620 102.700 1.00 6.74 ATOM 179 CD2 LEU D 31 59.410 -5.983 101.983 1.00 8.93 ATOM 180 N ARG D 32 54.949 -7.433 103.043 1.00 4.86 ATOM 181 CA ARG D 32 53.677 -7.783 103.673 1.00 6.04 ATOM 182 C ARG D 32 53.454 -7.018 104.979 1.00 10.94 ATOM 183 O ARG D 32 52.984 -7.570 105.981 1.00 3.69 ATOM 184 CB ARG D 32 53.521 -9.305 103.840 1.00 5.76 ATOM 185 CG ARG D 32 52.655 -9.939 102.739 1.00 14.25 ATOM 186 CD ARG D 32 53.435 -10.821 101.778 1.00 13.65 ATOM 187 NE ARG D 32 52.784 -10.916 100.468 1.00 13.95 ATOM 188 CZ ARG D 32 52.248 -12.024 99.960 1.00 13.20 ATOM 189 NH1 ARG D 32 52.280 -13.162 100.641 1.00 11.01 ATOM 190 NH2 ARG D 32 51.682 -11.994 98.762 1.00 10.91 ATOM 191 N ILE D 33 53.804 -5.735 104.949 1.00 4.26 ATOM 192 CA ILE D 33 53.511 -4.810 106.035 1.00 8.91 ATOM 193 C ILE D 33 52.680 -3.647 105.523 1.00 8.65 ATOM 194 O ILE D 33 52.545 -3.450 104.318 1.00 6.68 ATOM 195 CB ILE D 33 54.792 -4.189 106.629 1.00 9.71 ATOM 196 CG1 ILE D 33 55.650 -3.580 105.526 1.00 3.95 ATOM 197 CG2 ILE D 33 55.593 -5.208 107.390 1.00 4.61 ATOM 198 CD1 ILE D 33 56.839 -2.778 106.046 1.00 6.05 ATOM 199 N PHE D 34 52.149 -2.863 106.454 1.00 8.63 ATOM 200 CA PHE D 34 51.561 -1.571 106.126 1.00 6.95 ATOM 201 C PHE D 34 52.631 -0.487 106.283 1.00 9.84 ATOM 202 O PHE D 34 53.494 -0.582 107.154 1.00 7.35 ATOM 203 CB PHE D 34 50.377 -1.272 107.049 1.00 6.87 ATOM 204 CG PHE D 34 49.129 -2.036 106.705 1.00 12.23 ATOM 205 CD1 PHE D 34 48.971 -3.355 107.104 1.00 8.39 ATOM 206 CD2 PHE D 34 48.110 -1.431 105.982 1.00 14.58 ATOM 207 CE1 PHE D 34 47.820 -4.052 106.792 1.00 19.81 ATOM 208 CE2 PHE D 34 46.959 -2.122 105.663 1.00 18.76 ATOM 209 CZ PHE D 34 46.814 -3.436 106.064 1.00 17.56 TER