HEADER HYDROLASE/INHIBITOR 29-MAR-12 4AOR TITLE Cationic trypsin in complex with the Spinacia oleracea trypsin TITLE 2 inhibitor III (SOTI-III) 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 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.70 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 F 1 REMARK 465 ASP F 2 REMARK 465 LYS F 3 DBREF 4AOR C 24 246 UNP P00760 TRY1_BOVIN 24 246 DBREF 4AOR F 1 37 UNP P84781 ITR3_SPIOL 1 37 SEQRES 1 F 34 GLU ASP LYS CYS SER PRO SER GLY ALA ILE CYS SER GLY SEQRES 2 F 34 PHE GLY PRO PRO GLU GLN CYS CYS SER GLY ALA CYS VAL SEQRES 3 F 34 PRO HIS PRO ILE LEU ARG ILE PHE ATOM 1 N1 IMD C1248 19.422 23.100 8.264 1.00 13.25 ATOM 2 C2 IMD C1248 20.649 23.349 7.763 1.00 16.90 ATOM 3 N3 IMD C1248 21.515 23.341 8.800 1.00 17.87 ATOM 4 C4 IMD C1248 20.847 23.103 9.950 1.00 18.18 ATOM 5 C5 IMD C1248 19.514 22.945 9.612 1.00 17.90 TER ATOM 1 N CYS F 4 15.246 6.332 4.938 1.00 40.65 ATOM 2 CA CYS F 4 15.653 7.075 3.736 1.00 35.24 ATOM 3 C CYS F 4 14.480 7.368 2.802 1.00 35.64 ATOM 4 O CYS F 4 13.497 6.619 2.755 1.00 37.80 ATOM 5 CB CYS F 4 16.766 6.343 2.975 1.00 27.20 ATOM 6 SG CYS F 4 16.215 4.900 1.974 1.00 39.18 ATOM 7 N SER F 5 14.608 8.455 2.043 1.00 28.94 ATOM 8 CA SER F 5 13.511 8.992 1.244 1.00 28.55 ATOM 9 C SER F 5 13.460 8.478 -0.191 1.00 25.18 ATOM 10 O SER F 5 14.493 8.324 -0.841 1.00 26.85 ATOM 11 CB SER F 5 13.588 10.523 1.232 1.00 30.00 ATOM 12 OG SER F 5 13.241 11.048 2.500 1.00 25.75 ATOM 13 N PRO F 6 12.239 8.241 -0.698 1.00 21.99 ATOM 14 CA PRO F 6 12.009 7.785 -2.069 1.00 29.83 ATOM 15 C PRO F 6 12.507 8.796 -3.102 1.00 36.44 ATOM 16 O PRO F 6 12.803 9.951 -2.767 1.00 28.54 ATOM 17 CB PRO F 6 10.480 7.691 -2.155 1.00 29.83 ATOM 18 CG PRO F 6 10.006 7.652 -0.740 1.00 37.05 ATOM 19 CD PRO F 6 10.980 8.460 0.031 1.00 28.18 ATOM 20 N SER F 7 12.595 8.365 -4.355 1.00 27.53 ATOM 21 CA SER F 7 12.990 9.259 -5.432 1.00 32.09 ATOM 22 C SER F 7 11.887 10.302 -5.588 1.00 22.74 ATOM 23 O SER F 7 10.707 9.984 -5.413 1.00 30.49 ATOM 24 CB SER F 7 13.186 8.461 -6.726 1.00 38.10 ATOM 25 OG SER F 7 13.728 9.263 -7.760 1.00 42.69 ATOM 26 N GLY F 8 12.269 11.555 -5.844 1.00 31.79 ATOM 27 CA GLY F 8 11.303 12.640 -5.998 1.00 25.94 ATOM 28 C GLY F 8 10.840 13.345 -4.720 1.00 24.82 ATOM 29 O GLY F 8 10.242 14.423 -4.780 1.00 20.96 ATOM 30 N ALA F 9 11.106 12.742 -3.568 1.00 19.52 ATOM 31 CA ALA F 9 10.729 13.320 -2.278 1.00 16.62 ATOM 32 C ALA F 9 11.561 14.562 -1.979 1.00 13.79 ATOM 33 O ALA F 9 12.729 14.637 -2.369 1.00 14.49 ATOM 34 CB ALA F 9 10.939 12.293 -1.167 1.00 23.46 ATOM 35 N ILE F 10 10.970 15.504 -1.236 1.00 15.30 ATOM 36 CA ILE F 10 11.679 16.682 -0.758 1.00 14.08 ATOM 37 C ILE F 10 12.923 16.272 0.032 1.00 15.97 ATOM 38 O ILE F 10 12.883 15.349 0.853 1.00 15.65 ATOM 39 CB ILE F 10 10.759 17.562 0.135 1.00 15.47 ATOM 40 CG1 ILE F 10 9.628 18.168 -0.711 1.00 14.77 ATOM 41 CG2 ILE F 10 11.574 18.661 0.829 1.00 19.37 ATOM 42 CD1 ILE F 10 8.496 18.790 0.125 1.00 16.77 ATOM 43 N CYS F 11 14.044 16.933 -0.225 1.00 10.63 ATOM 44 CA CYS F 11 15.202 16.773 0.651 1.00 14.96 ATOM 45 C CYS F 11 15.878 18.112 0.860 1.00 14.49 ATOM 46 O CYS F 11 15.377 19.147 0.365 1.00 13.43 ATOM 47 CB CYS F 11 16.193 15.749 0.087 1.00 15.92 ATOM 48 SG CYS F 11 16.742 16.130 -1.576 1.00 16.98 ATOM 49 N SER F 12 16.996 18.098 1.595 1.00 12.68 ATOM 50 CA SER F 12 17.739 19.312 1.927 1.00 10.92 ATOM 51 C SER F 12 19.119 19.404 1.304 1.00 16.10 ATOM 52 O SER F 12 19.928 18.483 1.441 1.00 17.72 ATOM 53 CB SER F 12 17.906 19.438 3.446 1.00 13.01 ATOM 54 OG SER F 12 18.728 20.557 3.765 1.00 12.49 ATOM 55 N GLY F 13 19.394 20.547 0.671 1.00 15.99 ATOM 56 CA GLY F 13 20.716 20.850 0.154 1.00 22.98 ATOM 57 C GLY F 13 21.750 20.876 1.264 1.00 26.69 ATOM 58 O GLY F 13 22.938 20.662 1.035 1.00 24.22 ATOM 59 N PHE F 14 21.306 21.130 2.488 1.00 20.99 ATOM 60 CA PHE F 14 22.250 21.157 3.591 1.00 18.80 ATOM 61 C PHE F 14 22.515 19.757 4.141 1.00 17.21 ATOM 62 O PHE F 14 23.526 19.535 4.799 1.00 25.54 ATOM 63 CB PHE F 14 21.751 22.090 4.691 1.00 13.83 ATOM 64 CG PHE F 14 21.741 23.535 4.284 1.00 16.48 ATOM 65 CD1 PHE F 14 22.893 24.295 4.361 1.00 23.32 ATOM 66 CD2 PHE F 14 20.588 24.116 3.792 1.00 16.36 ATOM 67 CE1 PHE F 14 22.894 25.635 3.979 1.00 27.88 ATOM 68 CE2 PHE F 14 20.577 25.446 3.400 1.00 18.83 ATOM 69 CZ PHE F 14 21.733 26.210 3.494 1.00 22.79 ATOM 70 N GLY F 15 21.605 18.827 3.864 1.00 13.39 ATOM 71 CA GLY F 15 21.623 17.507 4.489 1.00 14.19 ATOM 72 C GLY F 15 22.625 16.536 3.888 1.00 18.52 ATOM 73 O GLY F 15 23.230 16.810 2.848 1.00 22.71 ATOM 74 N PRO F 16 22.819 15.396 4.553 1.00 21.73 ATOM 75 CA PRO F 16 23.752 14.388 4.026 1.00 25.30 ATOM 76 C PRO F 16 23.134 13.530 2.929 1.00 18.51 ATOM 77 O PRO F 16 21.906 13.346 2.908 1.00 20.09 ATOM 78 CB PRO F 16 24.046 13.519 5.252 1.00 24.37 ATOM 79 CG PRO F 16 22.780 13.585 6.054 1.00 23.07 ATOM 80 CD PRO F 16 22.309 15.030 5.889 1.00 23.39 ATOM 81 N PRO F 17 23.983 12.960 2.053 1.00 25.23 ATOM 82 CA PRO F 17 23.564 12.078 0.954 1.00 23.40 ATOM 83 C PRO F 17 22.576 10.979 1.354 1.00 22.61 ATOM 84 O PRO F 17 21.655 10.681 0.580 1.00 22.29 ATOM 85 CB PRO F 17 24.883 11.442 0.509 1.00 28.60 ATOM 86 CG PRO F 17 25.929 12.433 0.852 1.00 27.30 ATOM 87 CD PRO F 17 25.445 13.161 2.084 1.00 24.05 ATOM 88 N GLU F 18 22.739 10.408 2.542 0.34 19.93 ATOM 89 CA GLU F 18 21.907 9.282 2.946 0.34 20.93 ATOM 90 C GLU F 18 20.434 9.630 3.180 0.34 21.65 ATOM 91 O GLU F 18 19.619 8.735 3.398 0.34 23.54 ATOM 92 CB GLU F 18 22.500 8.595 4.176 0.34 24.70 ATOM 93 CG GLU F 18 24.012 8.700 4.242 0.34 23.34 ATOM 94 CD GLU F 18 24.474 9.883 5.071 0.34 26.61 ATOM 95 OE1 GLU F 18 23.976 10.030 6.207 0.34 28.50 ATOM 96 OE2 GLU F 18 25.336 10.656 4.591 0.34 22.70 ATOM 97 N GLN F 19 20.081 10.914 3.114 1.00 21.27 ATOM 98 CA GLN F 19 18.684 11.309 3.298 1.00 19.21 ATOM 99 C GLN F 19 17.819 10.704 2.184 1.00 19.07 ATOM 100 O GLN F 19 16.631 10.423 2.380 1.00 19.58 ATOM 101 CB GLN F 19 18.531 12.832 3.379 1.00 22.16 ATOM 102 CG GLN F 19 19.038 13.593 2.176 1.00 19.74 ATOM 103 CD GLN F 19 19.046 15.111 2.398 1.00 21.41 ATOM 104 OE1 GLN F 19 18.104 15.677 2.964 1.00 24.19 ATOM 105 NE2 GLN F 19 20.118 15.759 1.977 1.00 20.22 ATOM 106 N CYS F 20 18.444 10.472 1.034 1.00 19.98 ATOM 107 CA CYS F 20 17.797 9.869 -0.128 1.00 20.76 ATOM 108 C CYS F 20 18.318 8.454 -0.317 1.00 22.87 ATOM 109 O CYS F 20 19.537 8.248 -0.311 1.00 21.30 ATOM 110 CB CYS F 20 18.143 10.651 -1.392 1.00 21.88 ATOM 111 SG CYS F 20 17.609 12.407 -1.370 1.00 18.70 ATOM 112 N CYS F 21 17.409 7.498 -0.490 1.00 24.61 ATOM 113 CA CYS F 21 17.810 6.130 -0.862 1.00 23.97 ATOM 114 C CYS F 21 18.794 6.131 -2.039 1.00 28.36 ATOM 115 O CYS F 21 19.804 5.419 -2.027 1.00 29.12 ATOM 116 CB CYS F 21 16.583 5.285 -1.199 1.00 33.71 ATOM 117 SG CYS F 21 15.364 5.187 0.134 1.00 39.96 ATOM 118 N SER F 22 18.509 6.953 -3.049 1.00 23.21 ATOM 119 CA SER F 22 19.377 7.076 -4.219 1.00 27.05 ATOM 120 C SER F 22 20.754 7.668 -3.923 1.00 16.95 ATOM 121 O SER F 22 21.638 7.655 -4.774 1.00 25.08 ATOM 122 CB SER F 22 18.695 7.921 -5.301 1.00 24.12 ATOM 123 OG SER F 22 18.620 9.286 -4.896 1.00 26.01 ATOM 124 N GLY F 23 20.942 8.231 -2.732 1.00 23.34 ATOM 125 CA GLY F 23 22.225 8.824 -2.399 1.00 15.81 ATOM 126 C GLY F 23 22.499 10.214 -2.945 1.00 22.72 ATOM 127 O GLY F 23 23.581 10.786 -2.747 1.00 24.57 ATOM 128 N ALA F 24 21.520 10.776 -3.641 1.00 24.67 ATOM 129 CA ALA F 24 21.733 12.033 -4.340 1.00 26.86 ATOM 130 C ALA F 24 20.560 12.953 -4.107 1.00 20.03 ATOM 131 O ALA F 24 19.420 12.638 -4.444 1.00 24.72 ATOM 132 CB ALA F 24 21.901 11.793 -5.832 1.00 26.62 ATOM 133 N CYS F 25 20.812 14.068 -3.429 0.83 24.96 ATOM 134 CA CYS F 25 19.771 15.077 -3.217 0.83 22.04 ATOM 135 C CYS F 25 20.116 16.246 -4.142 0.83 22.03 ATOM 136 O CYS F 25 21.146 16.897 -3.963 0.83 22.93 ATOM 137 CB CYS F 25 19.726 15.513 -1.744 0.83 21.51 ATOM 138 SG CYS F 25 18.587 16.916 -1.388 0.83 16.91 ATOM 139 N VAL F 26 19.284 16.472 -5.159 1.00 21.32 ATOM 140 CA VAL F 26 19.618 17.392 -6.241 1.00 20.51 ATOM 141 C VAL F 26 18.579 18.497 -6.397 1.00 15.35 ATOM 142 O VAL F 26 17.434 18.313 -5.997 1.00 18.59 ATOM 143 CB VAL F 26 19.710 16.643 -7.585 1.00 18.70 ATOM 144 CG1 VAL F 26 20.821 15.596 -7.537 1.00 26.77 ATOM 145 CG2 VAL F 26 18.382 15.984 -7.930 1.00 19.36 ATOM 146 N PRO F 27 18.986 19.643 -6.965 1.00 22.69 ATOM 147 CA PRO F 27 18.041 20.718 -7.277 1.00 18.85 ATOM 148 C PRO F 27 16.957 20.210 -8.222 1.00 18.71 ATOM 149 O PRO F 27 17.288 19.577 -9.241 1.00 21.43 ATOM 150 CB PRO F 27 18.912 21.738 -8.012 1.00 24.58 ATOM 151 CG PRO F 27 20.276 21.511 -7.481 1.00 29.27 ATOM 152 CD PRO F 27 20.369 20.022 -7.306 1.00 25.06 ATOM 153 N HIS F 28 15.689 20.456 -7.898 1.00 16.60 ATOM 154 CA HIS F 28 14.626 20.214 -8.852 1.00 10.83 ATOM 155 C HIS F 28 14.891 21.148 -10.042 1.00 13.65 ATOM 156 O HIS F 28 15.387 22.266 -9.870 1.00 20.13 ATOM 157 CB HIS F 28 13.263 20.520 -8.221 1.00 19.42 ATOM 158 CG HIS F 28 12.109 19.879 -8.923 1.00 16.03 ATOM 159 ND1 HIS F 28 11.487 20.459 -10.006 1.00 17.10 ATOM 160 CD2 HIS F 28 11.465 18.708 -8.705 1.00 14.79 ATOM 161 CE1 HIS F 28 10.515 19.674 -10.428 1.00 19.37 ATOM 162 NE2 HIS F 28 10.472 18.607 -9.651 1.00 20.47 ATOM 163 N PRO F 29 14.580 20.685 -11.256 1.00 19.66 ATOM 164 CA PRO F 29 14.821 21.514 -12.442 1.00 25.06 ATOM 165 C PRO F 29 13.849 22.684 -12.548 1.00 24.94 ATOM 166 O PRO F 29 14.178 23.673 -13.214 1.00 27.61 ATOM 167 CB PRO F 29 14.569 20.538 -13.590 1.00 18.83 ATOM 168 CG PRO F 29 13.544 19.588 -13.034 1.00 25.51 ATOM 169 CD PRO F 29 14.000 19.376 -11.608 1.00 22.56 ATOM 170 N ILE F 30 12.688 22.573 -11.898 1.00 15.99 ATOM 171 CA ILE F 30 11.618 23.562 -12.041 1.00 13.90 ATOM 172 C ILE F 30 11.240 24.219 -10.704 1.00 11.53 ATOM 173 O ILE F 30 11.349 25.445 -10.556 1.00 12.63 ATOM 174 CB ILE F 30 10.383 22.938 -12.714 1.00 17.67 ATOM 175 CG1 ILE F 30 10.704 22.558 -14.166 1.00 23.06 ATOM 176 CG2 ILE F 30 9.229 23.888 -12.719 1.00 17.29 ATOM 177 CD1 ILE F 30 11.077 23.742 -15.013 1.00 22.86 ATOM 178 N LEU F 31 10.809 23.406 -9.738 1.00 14.47 ATOM 179 CA LEU F 31 10.490 23.883 -8.388 1.00 11.83 ATOM 180 C LEU F 31 11.772 24.310 -7.702 1.00 12.11 ATOM 181 O LEU F 31 12.842 23.741 -7.949 1.00 12.48 ATOM 182 CB LEU F 31 9.826 22.768 -7.590 1.00 11.00 ATOM 183 CG LEU F 31 8.521 22.250 -8.174 1.00 13.06 ATOM 184 CD1 LEU F 31 8.096 20.983 -7.425 1.00 15.45 ATOM 185 CD2 LEU F 31 7.439 23.310 -8.059 1.00 15.25 ATOM 186 N ARG F 32 11.690 25.308 -6.822 1.00 12.43 ATOM 187 CA ARG F 32 12.913 25.801 -6.204 1.00 11.53 ATOM 188 C ARG F 32 13.215 25.085 -4.885 1.00 14.13 ATOM 189 O ARG F 32 13.530 25.711 -3.868 1.00 11.45 ATOM 190 CB ARG F 32 12.836 27.333 -6.081 1.00 14.95 ATOM 191 CG ARG F 32 12.546 27.908 -7.476 1.00 20.70 ATOM 192 CD ARG F 32 13.355 29.122 -7.794 1.00 22.78 ATOM 193 NE ARG F 32 13.642 29.235 -9.232 1.00 20.03 ATOM 194 CZ ARG F 32 13.672 30.397 -9.879 1.00 22.86 ATOM 195 NH1 ARG F 32 13.402 31.519 -9.232 1.00 20.72 ATOM 196 NH2 ARG F 32 13.962 30.439 -11.168 1.00 22.07 ATOM 197 N ILE F 33 13.097 23.754 -4.927 1.00 8.54 ATOM 198 CA ILE F 33 13.442 22.893 -3.795 1.00 11.83 ATOM 199 C ILE F 33 14.417 21.867 -4.287 1.00 12.45 ATOM 200 O ILE F 33 14.554 21.661 -5.496 1.00 12.23 ATOM 201 CB ILE F 33 12.268 22.022 -3.290 1.00 12.33 ATOM 202 CG1 ILE F 33 11.595 21.300 -4.461 1.00 12.96 ATOM 203 CG2 ILE F 33 11.292 22.802 -2.481 1.00 21.11 ATOM 204 CD1 ILE F 33 10.457 20.367 -4.039 1.00 22.96 ATOM 205 N PHE F 34 15.069 21.203 -3.337 1.00 13.05 ATOM 206 CA PHE F 34 15.870 20.024 -3.639 1.00 16.18 ATOM 207 C PHE F 34 14.970 18.810 -3.514 1.00 12.06 ATOM 208 O PHE F 34 14.083 18.765 -2.658 1.00 13.10 ATOM 209 CB PHE F 34 17.030 19.883 -2.657 1.00 12.55 ATOM 210 CG PHE F 34 18.190 20.804 -2.926 1.00 17.63 ATOM 211 CD1 PHE F 34 18.105 22.159 -2.630 1.00 16.00 ATOM 212 CD2 PHE F 34 19.375 20.302 -3.444 1.00 23.00 ATOM 213 CE1 PHE F 34 19.182 23.013 -2.868 1.00 20.95 ATOM 214 CE2 PHE F 34 20.453 21.148 -3.691 1.00 25.89 ATOM 215 CZ PHE F 34 20.354 22.504 -3.400 1.00 24.52 TER