HEADER HYDROLASE/HYDROLASE INHIBITOR 03-FEB-12 4DJZ TITLE Catalytic fragment of masp-1 in complex with its specific inhibitor TITLE 2 developed by directed evolution on sgci scaffold COMPND MOL_ID: 3; COMPND 2 MOLECULE: Protease inhibitor SGPI-2; COMPND 3 CHAIN: H, I; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.20 ANGSTORMS DBREF 4DJZ H 4 38 UNP O46162 SGP1_SCHGR 57 91 SEQRES 1 H 34 VAL THR CYS GLU PRO GLY THR THR PHE LYS ASP LYS CYS SEQRES 2 H 34 ASN THR CYS ARG CYS GLY SER ASP GLY LYS SER ALA PHE SEQRES 3 H 34 CYS THR ARG LYS LEU CYS TYR GLN ATOM 1 N VAL H 5 28.853 25.721 20.188 1.00 84.60 ATOM 2 CA VAL H 5 27.459 25.216 19.972 1.00 81.65 ATOM 3 C VAL H 5 26.715 24.939 21.291 1.00 83.68 ATOM 4 O VAL H 5 25.813 24.095 21.342 1.00 82.26 ATOM 5 CB VAL H 5 27.418 23.970 19.039 1.00 78.97 ATOM 6 CG1 VAL H 5 27.609 24.373 17.581 1.00 76.65 ATOM 7 CG2 VAL H 5 28.445 22.922 19.457 1.00 81.18 ATOM 8 N THR H 6 27.089 25.664 22.346 1.00 87.58 ATOM 9 CA THR H 6 26.444 25.539 23.660 1.00 90.62 ATOM 10 C THR H 6 25.068 26.224 23.661 1.00 88.91 ATOM 11 O THR H 6 24.616 26.724 22.626 1.00 85.48 ATOM 12 CB THR H 6 27.331 26.114 24.792 1.00 96.45 ATOM 13 OG1 THR H 6 28.713 25.988 24.440 1.00 97.61 ATOM 14 CG2 THR H 6 27.085 25.378 26.108 1.00100.72 ATOM 15 N CYS H 7 24.408 26.234 24.819 1.00 91.83 ATOM 16 CA CYS H 7 23.074 26.818 24.968 1.00 90.86 ATOM 17 C CYS H 7 22.670 26.947 26.433 1.00 95.80 ATOM 18 O CYS H 7 23.201 26.244 27.293 1.00 99.60 ATOM 19 CB CYS H 7 22.041 25.976 24.214 1.00 86.50 ATOM 20 SG CYS H 7 20.460 25.748 25.063 1.00 87.44 ATOM 21 N GLU H 8 21.721 27.845 26.702 1.00 96.29 ATOM 22 CA GLU H 8 21.160 28.021 28.043 1.00101.13 ATOM 23 C GLU H 8 20.218 26.859 28.382 1.00100.37 ATOM 24 O GLU H 8 19.158 26.724 27.762 1.00 96.34 ATOM 25 CB GLU H 8 20.430 29.365 28.155 1.00102.11 ATOM 26 N PRO H 9 20.598 26.028 29.378 1.00104.90 ATOM 27 CA PRO H 9 19.914 24.767 29.694 1.00105.17 ATOM 28 C PRO H 9 18.521 24.946 30.300 1.00106.28 ATOM 29 O PRO H 9 18.036 24.060 31.007 1.00109.31 ATOM 30 CB PRO H 9 20.854 24.108 30.706 1.00111.58 ATOM 31 CG PRO H 9 21.506 25.255 31.395 1.00116.20 ATOM 32 CD PRO H 9 21.676 26.318 30.344 1.00111.30 ATOM 33 N GLY H 10 17.890 26.082 30.010 1.00104.26 ATOM 34 CA GLY H 10 16.541 26.374 30.473 1.00105.00 ATOM 35 C GLY H 10 15.494 25.562 29.739 1.00100.28 ATOM 36 O GLY H 10 15.469 24.332 29.836 1.00100.69 ATOM 37 N THR H 11 14.632 26.249 28.996 1.00 96.39 ATOM 38 CA THR H 11 13.516 25.583 28.321 1.00 92.66 ATOM 39 C THR H 11 13.475 25.783 26.793 1.00 86.87 ATOM 40 O THR H 11 14.015 24.961 26.051 1.00 84.38 ATOM 41 CB THR H 11 12.155 25.909 28.987 1.00 94.67 ATOM 42 OG1 THR H 11 12.165 27.255 29.479 1.00 97.21 ATOM 43 CG2 THR H 11 11.891 24.962 30.151 1.00 99.49 ATOM 44 N THR H 12 12.857 26.870 26.331 1.00 85.37 ATOM 45 CA THR H 12 12.577 27.047 24.901 1.00 80.83 ATOM 46 C THR H 12 13.298 28.244 24.269 1.00 80.27 ATOM 47 O THR H 12 13.220 29.371 24.767 1.00 82.82 ATOM 48 CB THR H 12 11.054 27.146 24.630 1.00 79.71 ATOM 49 OG1 THR H 12 10.356 26.164 25.407 1.00 81.29 ATOM 50 CG2 THR H 12 10.746 26.917 23.157 1.00 75.84 ATOM 51 N PHE H 13 13.998 27.975 23.169 1.00 77.40 ATOM 52 CA PHE H 13 14.591 29.014 22.326 1.00 76.86 ATOM 53 C PHE H 13 14.448 28.626 20.855 1.00 73.43 ATOM 54 O PHE H 13 14.126 27.480 20.548 1.00 71.60 ATOM 55 CB PHE H 13 16.060 29.258 22.700 1.00 78.74 ATOM 56 CG PHE H 13 17.002 28.166 22.259 1.00 76.90 ATOM 57 CD1 PHE H 13 17.069 26.959 22.947 1.00 77.43 ATOM 58 CD2 PHE H 13 17.845 28.360 21.168 1.00 75.30 ATOM 59 CE1 PHE H 13 17.944 25.962 22.546 1.00 76.36 ATOM 60 CE2 PHE H 13 18.721 27.366 20.763 1.00 74.00 ATOM 61 CZ PHE H 13 18.772 26.165 21.454 1.00 74.49 ATOM 62 N LYS H 14 14.684 29.576 19.954 1.00 73.39 ATOM 63 CA LYS H 14 14.539 29.324 18.521 1.00 71.28 ATOM 64 C LYS H 14 15.881 29.253 17.791 1.00 70.95 ATOM 65 O LYS H 14 16.568 30.266 17.631 1.00 72.81 ATOM 66 CB LYS H 14 13.634 30.378 17.876 1.00 72.25 ATOM 67 N ASP H 15 16.250 28.051 17.356 1.00 69.09 ATOM 68 CA ASP H 15 17.433 27.866 16.521 1.00 68.72 ATOM 69 C ASP H 15 17.052 28.140 15.067 1.00 68.46 ATOM 70 O ASP H 15 16.499 27.270 14.379 1.00 67.21 ATOM 71 CB ASP H 15 17.993 26.453 16.686 1.00 67.52 ATOM 72 CG ASP H 15 19.370 26.285 16.071 1.00 67.56 ATOM 73 OD1 ASP H 15 20.038 27.299 15.765 1.00 68.77 ATOM 74 OD2 ASP H 15 19.789 25.121 15.903 1.00 66.80 ATOM 75 N LYS H 16 17.359 29.358 14.616 1.00 70.43 ATOM 76 CA LYS H 16 16.873 29.889 13.340 1.00 71.57 ATOM 77 C LYS H 16 15.346 29.729 13.246 1.00 71.21 ATOM 78 O LYS H 16 14.623 30.140 14.158 1.00 71.59 ATOM 79 CB LYS H 16 17.610 29.254 12.150 1.00 71.20 ATOM 80 N CYS H 17 14.860 29.121 12.168 1.00 70.94 ATOM 81 CA CYS H 17 13.424 28.922 11.976 1.00 71.02 ATOM 82 C CYS H 17 12.853 27.813 12.869 1.00 68.67 ATOM 83 O CYS H 17 11.655 27.796 13.160 1.00 68.80 ATOM 84 CB CYS H 17 13.109 28.653 10.497 1.00 72.65 ATOM 85 SG CYS H 17 13.657 27.057 9.833 1.00 71.35 ATOM 86 N ASN H 18 13.715 26.901 13.306 1.00 66.98 ATOM 87 CA ASN H 18 13.295 25.773 14.128 1.00 65.68 ATOM 88 C ASN H 18 13.248 26.084 15.616 1.00 65.82 ATOM 89 O ASN H 18 14.053 26.862 16.131 1.00 66.56 ATOM 90 CB ASN H 18 14.197 24.568 13.877 1.00 64.92 ATOM 91 CG ASN H 18 13.932 23.912 12.538 1.00 65.37 ATOM 92 OD1 ASN H 18 12.922 23.234 12.354 1.00 65.67 ATOM 93 ND2 ASN H 18 14.848 24.097 11.598 1.00 65.97 ATOM 94 N THR H 19 12.292 25.460 16.295 1.00 65.70 ATOM 95 CA THR H 19 12.100 25.613 17.732 1.00 66.59 ATOM 96 C THR H 19 12.918 24.554 18.468 1.00 66.78 ATOM 97 O THR H 19 13.048 23.432 17.992 1.00 66.22 ATOM 98 CB THR H 19 10.605 25.492 18.080 1.00 67.08 ATOM 99 OG1 THR H 19 9.865 26.457 17.320 1.00 67.34 ATOM 100 CG2 THR H 19 10.357 25.725 19.563 1.00 68.78 ATOM 101 N CYS H 20 13.473 24.914 19.622 1.00 68.41 ATOM 102 CA CYS H 20 14.408 24.041 20.324 1.00 69.62 ATOM 103 C CYS H 20 14.213 23.994 21.826 1.00 72.53 ATOM 104 O CYS H 20 13.575 24.866 22.415 1.00 73.74 ATOM 105 CB CYS H 20 15.842 24.470 20.038 1.00 69.75 ATOM 106 SG CYS H 20 16.308 24.339 18.305 1.00 67.62 ATOM 107 N ARG H 21 14.790 22.960 22.430 1.00 74.35 ATOM 108 CA ARG H 21 14.837 22.801 23.875 1.00 78.38 ATOM 109 C ARG H 21 16.209 22.276 24.285 1.00 80.62 ATOM 110 O ARG H 21 16.777 21.424 23.603 1.00 79.44 ATOM 111 CB ARG H 21 13.743 21.842 24.350 1.00 79.85 ATOM 112 CG ARG H 21 12.357 22.462 24.446 1.00 79.37 ATOM 113 CD ARG H 21 11.346 21.499 25.049 1.00 81.72 ATOM 114 NE ARG H 21 11.659 21.132 26.433 1.00 86.62 ATOM 115 CZ ARG H 21 11.231 21.788 27.510 1.00 89.83 ATOM 116 NH1 ARG H 21 10.464 22.866 27.386 1.00 88.39 ATOM 117 NH2 ARG H 21 11.575 21.362 28.719 1.00 95.14 ATOM 118 N CYS H 22 16.738 22.787 25.393 1.00 84.46 ATOM 119 CA CYS H 22 18.026 22.327 25.912 1.00 87.62 ATOM 120 C CYS H 22 17.887 21.345 27.063 1.00 92.59 ATOM 121 O CYS H 22 17.045 21.526 27.941 1.00 95.37 ATOM 122 CB CYS H 22 18.891 23.507 26.343 1.00 89.73 ATOM 123 SG CYS H 22 20.346 23.734 25.305 1.00 87.59 ATOM 124 N GLY H 23 18.732 20.315 27.056 1.00 94.31 ATOM 125 CA GLY H 23 18.739 19.293 28.104 1.00100.14 ATOM 126 C GLY H 23 19.261 19.798 29.438 1.00106.23 ATOM 127 O GLY H 23 19.515 20.996 29.600 1.00105.99 ATOM 128 N SER H 24 19.417 18.882 30.394 1.00112.51 ATOM 129 CA SER H 24 19.939 19.223 31.724 1.00119.80 ATOM 130 C SER H 24 21.316 19.885 31.635 1.00120.23 ATOM 131 O SER H 24 21.645 20.761 32.436 1.00124.24 ATOM 132 CB SER H 24 19.977 17.991 32.635 1.00127.17 ATOM 133 OG SER H 24 20.646 16.907 32.016 1.00126.57 ATOM 134 N ASP H 25 22.106 19.455 30.651 1.00116.50 ATOM 135 CA ASP H 25 23.337 20.138 30.267 1.00115.39 ATOM 136 C ASP H 25 23.050 21.079 29.103 1.00107.98 ATOM 137 O ASP H 25 22.170 20.816 28.281 1.00103.02 ATOM 138 CB ASP H 25 24.415 19.130 29.864 1.00116.26 ATOM 139 CG ASP H 25 23.954 18.193 28.760 1.00111.29 ATOM 140 OD1 ASP H 25 23.212 17.235 29.066 1.00113.44 ATOM 141 OD2 ASP H 25 24.332 18.412 27.589 1.00105.87 ATOM 142 N GLY H 26 23.801 22.172 29.032 1.00107.98 ATOM 143 CA GLY H 26 23.612 23.163 27.981 1.00102.32 ATOM 144 C GLY H 26 24.268 22.789 26.666 1.00 97.71 ATOM 145 O GLY H 26 24.215 23.560 25.704 1.00 93.61 ATOM 146 N LYS H 27 24.880 21.605 26.624 1.00 99.03 ATOM 147 CA LYS H 27 25.599 21.133 25.439 1.00 95.55 ATOM 148 C LYS H 27 24.677 20.715 24.290 1.00 90.15 ATOM 149 O LYS H 27 24.853 21.178 23.155 1.00 86.19 ATOM 150 CB LYS H 27 26.569 20.001 25.799 1.00 99.45 ATOM 151 N SER H 28 23.697 19.855 24.583 1.00 90.69 ATOM 152 CA SER H 28 22.807 19.318 23.547 1.00 86.61 ATOM 153 C SER H 28 21.411 19.949 23.545 1.00 84.45 ATOM 154 O SER H 28 20.893 20.343 24.595 1.00 87.07 ATOM 155 CB SER H 28 22.696 17.794 23.668 1.00 88.94 ATOM 156 OG SER H 28 22.041 17.424 24.867 1.00 93.09 ATOM 157 N ALA H 29 20.811 20.028 22.356 1.00 80.17 ATOM 158 CA ALA H 29 19.474 20.596 22.181 1.00 78.10 ATOM 159 C ALA H 29 18.638 19.807 21.172 1.00 75.78 ATOM 160 O ALA H 29 19.129 19.451 20.098 1.00 74.24 ATOM 161 CB ALA H 29 19.570 22.054 21.763 1.00 76.13 ATOM 162 N PHE H 30 17.378 19.543 21.524 1.00 76.20 ATOM 163 CA PHE H 30 16.445 18.811 20.657 1.00 74.63 ATOM 164 C PHE H 30 15.570 19.779 19.869 1.00 71.55 ATOM 165 O PHE H 30 14.798 20.538 20.453 1.00 71.71 ATOM 166 CB PHE H 30 15.540 17.875 21.471 1.00 77.69 ATOM 167 CG PHE H 30 16.228 17.193 22.618 1.00 82.11 ATOM 168 CD1 PHE H 30 17.109 16.141 22.397 1.00 84.03 ATOM 169 CD2 PHE H 30 15.976 17.590 23.926 1.00 85.18 ATOM 170 CE1 PHE H 30 17.739 15.511 23.458 1.00 88.89 ATOM 171 CE2 PHE H 30 16.603 16.963 24.991 1.00 90.28 ATOM 172 CZ PHE H 30 17.484 15.921 24.757 1.00 92.15 ATOM 173 N CYS H 31 15.678 19.735 18.545 1.00 69.37 ATOM 174 CA CYS H 31 14.983 20.692 17.687 1.00 67.35 ATOM 175 C CYS H 31 14.106 20.034 16.632 1.00 66.84 ATOM 176 O CYS H 31 14.283 18.860 16.312 1.00 67.85 ATOM 177 CB CYS H 31 15.997 21.609 17.006 1.00 66.32 ATOM 178 SG CYS H 31 17.094 22.466 18.159 1.00 67.83 ATOM 179 N THR H 32 13.158 20.802 16.099 1.00 65.98 ATOM 180 CA THR H 32 12.367 20.378 14.943 1.00 66.11 ATOM 181 C THR H 32 13.236 20.405 13.688 1.00 65.87 ATOM 182 O THR H 32 14.254 21.097 13.646 1.00 65.13 ATOM 183 CB THR H 32 11.136 21.273 14.734 1.00 66.02 ATOM 184 OG1 THR H 32 11.531 22.646 14.812 1.00 65.32 ATOM 185 CG2 THR H 32 10.082 20.994 15.792 1.00 66.72 ATOM 186 N ARG H 33 12.827 19.659 12.664 1.00 67.05 ATOM 187 CA ARG H 33 13.698 19.379 11.519 1.00 67.74 ATOM 188 C ARG H 33 13.235 20.029 10.204 1.00 68.82 ATOM 189 O ARG H 33 13.231 19.390 9.149 1.00 70.66 ATOM 190 CB ARG H 33 13.879 17.862 11.368 1.00 69.41 ATOM 191 CG ARG H 33 13.988 17.138 12.701 1.00 69.58 ATOM 192 CD ARG H 33 14.270 15.656 12.550 1.00 72.04 ATOM 193 NE ARG H 33 15.637 15.317 12.930 1.00 72.14 ATOM 194 CZ ARG H 33 16.046 14.093 13.252 1.00 74.71 ATOM 195 NH1 ARG H 33 15.198 13.072 13.242 1.00 77.33 ATOM 196 NH2 ARG H 33 17.311 13.887 13.586 1.00 75.03 ATOM 197 N LYS H 34 12.855 21.303 10.282 1.00 68.31 ATOM 198 CA LYS H 34 12.392 22.070 9.125 1.00 70.16 ATOM 199 C LYS H 34 13.573 22.781 8.470 1.00 70.61 ATOM 200 O LYS H 34 14.615 22.959 9.101 1.00 69.10 ATOM 201 CB LYS H 34 11.355 23.104 9.572 1.00 70.19 ATOM 202 CG LYS H 34 10.523 23.711 8.453 1.00 73.21 ATOM 203 CD LYS H 34 9.956 25.074 8.825 1.00 73.56 ATOM 204 CE LYS H 34 9.081 25.010 10.066 1.00 72.17 ATOM 205 NZ LYS H 34 8.266 26.242 10.251 1.00 73.50 ATOM 206 N LEU H 35 13.413 23.185 7.213 1.00 73.32 ATOM 207 CA LEU H 35 14.462 23.925 6.523 1.00 74.69 ATOM 208 C LEU H 35 14.242 25.437 6.594 1.00 75.78 ATOM 209 O LEU H 35 13.131 25.927 6.386 1.00 77.38 ATOM 210 CB LEU H 35 14.592 23.467 5.070 1.00 78.29 ATOM 211 CG LEU H 35 15.958 23.715 4.417 1.00 79.52 ATOM 212 CD1 LEU H 35 16.981 22.683 4.868 1.00 77.40 ATOM 213 CD2 LEU H 35 15.849 23.716 2.902 1.00 84.48 ATOM 214 N CYS H 36 15.318 26.163 6.889 1.00 75.41 ATOM 215 CA CYS H 36 15.284 27.619 6.982 1.00 77.20 ATOM 216 C CYS H 36 15.937 28.251 5.764 1.00 81.19 ATOM 217 O CYS H 36 16.604 27.571 4.984 1.00 82.02 ATOM 218 CB CYS H 36 16.023 28.099 8.234 1.00 74.96 ATOM 219 SG CYS H 36 15.689 27.186 9.754 1.00 71.08 ATOM 220 N TYR H 37 15.741 29.558 5.614 1.00 84.36 ATOM 221 CA TYR H 37 16.458 30.342 4.618 1.00 89.00 ATOM 222 C TYR H 37 16.882 31.680 5.208 1.00 90.52 ATOM 223 O TYR H 37 17.643 32.433 4.591 1.00 94.29 ATOM 224 CB TYR H 37 15.604 30.536 3.363 1.00 94.10 ATOM 225 CG TYR H 37 15.622 29.338 2.440 1.00 94.94 ATOM 226 CD1 TYR H 37 14.618 28.370 2.497 1.00 93.53 ATOM 227 CD2 TYR H 37 16.654 29.165 1.515 1.00 97.67 ATOM 228 CE1 TYR H 37 14.636 27.268 1.653 1.00 95.04 ATOM 229 CE2 TYR H 37 16.682 28.068 0.668 1.00 99.05 ATOM 230 CZ TYR H 37 15.672 27.122 0.740 1.00 97.85 ATOM 231 OH TYR H 37 15.701 26.032 -0.101 1.00 99.91 ATOM 232 N GLN H 38 16.392 31.949 6.418 1.00 88.12 ATOM 233 CA GLN H 38 16.635 33.202 7.137 1.00 89.88 ATOM 234 C GLN H 38 18.102 33.346 7.539 1.00 89.35 ATOM 235 O GLN H 38 18.606 32.614 8.396 1.00 85.54 ATOM 236 CB GLN H 38 15.742 33.277 8.382 1.00 87.39 ATOM 237 CG GLN H 38 14.264 33.031 8.108 1.00 87.57 ATOM 238 CD GLN H 38 13.651 31.997 9.038 1.00 83.02 ATOM 239 OE1 GLN H 38 12.723 31.285 8.657 1.00 82.39 ATOM 240 NE2 GLN H 38 14.171 31.903 10.260 1.00 80.44 ATOM 241 OXT GLN H 38 18.818 34.199 7.011 1.00 93.33 TER