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 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 GLY I 1 REMARK 465 SER I 2 REMARK 465 GLY I 3 REMARK 465 GLU I 4 REMARK 465 VAL I 5 DBREF 4DJZ I 4 38 UNP O46162 SGP1_SCHGR 57 91 SEQRES 1 I 35 GLY SER GLY GLU VAL THR CYS GLU PRO GLY THR THR PHE SEQRES 2 I 35 LYS ASP LYS CYS ASN THR CYS ARG CYS GLY SER ASP GLY SEQRES 3 I 35 LYS SER ALA PHE CYS THR ARG LYS LEU ATOM 1 N THR I 6 13.330 -3.092 38.813 1.00103.71 ATOM 2 CA THR I 6 12.794 -2.299 39.962 1.00103.67 ATOM 3 C THR I 6 11.331 -2.633 40.243 1.00 97.35 ATOM 4 O THR I 6 10.572 -2.962 39.329 1.00 93.22 ATOM 5 CB THR I 6 12.964 -0.773 39.754 1.00106.92 ATOM 6 OG1 THR I 6 12.301 -0.066 40.811 1.00106.29 ATOM 7 CG2 THR I 6 12.391 -0.323 38.406 1.00104.37 ATOM 8 N CYS I 7 10.950 -2.537 41.515 1.00 97.09 ATOM 9 CA CYS I 7 9.620 -2.923 41.975 1.00 91.98 ATOM 10 C CYS I 7 9.427 -2.540 43.444 1.00 92.94 ATOM 11 O CYS I 7 10.147 -3.029 44.318 1.00 95.86 ATOM 12 CB CYS I 7 9.411 -4.431 41.767 1.00 89.57 ATOM 13 SG CYS I 7 8.238 -5.238 42.877 1.00 86.14 ATOM 14 N GLU I 8 8.465 -1.655 43.704 1.00 90.84 ATOM 15 CA GLU I 8 8.129 -1.251 45.070 1.00 91.15 ATOM 16 C GLU I 8 7.173 -2.279 45.677 1.00 86.97 ATOM 17 O GLU I 8 6.026 -2.376 45.242 1.00 83.07 ATOM 18 CB GLU I 8 7.507 0.150 45.090 1.00 91.29 ATOM 19 N PRO I 9 7.642 -3.044 46.687 1.00 88.46 ATOM 20 CA PRO I 9 6.934 -4.217 47.222 1.00 85.65 ATOM 21 C PRO I 9 5.515 -3.920 47.694 1.00 81.81 ATOM 22 O PRO I 9 5.283 -2.914 48.366 1.00 82.35 ATOM 23 CB PRO I 9 7.803 -4.644 48.410 1.00 89.47 ATOM 24 CG PRO I 9 9.147 -4.074 48.125 1.00 94.47 ATOM 25 CD PRO I 9 8.872 -2.766 47.448 1.00 93.80 ATOM 26 N GLY I 10 4.579 -4.794 47.329 1.00 78.44 ATOM 27 CA GLY I 10 3.173 -4.635 47.693 1.00 75.20 ATOM 28 C GLY I 10 2.330 -3.906 46.658 1.00 73.05 ATOM 29 O GLY I 10 1.197 -4.310 46.385 1.00 70.49 ATOM 30 N THR I 11 2.888 -2.842 46.076 1.00 74.71 ATOM 31 CA THR I 11 2.145 -1.930 45.193 1.00 73.71 ATOM 32 C THR I 11 1.756 -2.532 43.838 1.00 71.83 ATOM 33 O THR I 11 2.328 -3.533 43.399 1.00 71.72 ATOM 34 CB THR I 11 2.916 -0.614 44.950 1.00 76.99 ATOM 35 OG1 THR I 11 4.141 -0.889 44.258 1.00 79.06 ATOM 36 CG2 THR I 11 3.217 0.094 46.270 1.00 79.32 ATOM 37 N THR I 12 0.777 -1.904 43.189 1.00 70.79 ATOM 38 CA THR I 12 0.312 -2.305 41.863 1.00 69.37 ATOM 39 C THR I 12 0.643 -1.222 40.836 1.00 71.20 ATOM 40 O THR I 12 0.305 -0.053 41.025 1.00 72.86 ATOM 41 CB THR I 12 -1.206 -2.591 41.874 1.00 67.40 ATOM 42 OG1 THR I 12 -1.462 -3.757 42.664 1.00 66.25 ATOM 43 CG2 THR I 12 -1.748 -2.812 40.464 1.00 66.55 ATOM 44 N PHE I 13 1.308 -1.623 39.755 1.00 71.29 ATOM 45 CA PHE I 13 1.712 -0.704 38.694 1.00 73.35 ATOM 46 C PHE I 13 1.459 -1.326 37.323 1.00 71.80 ATOM 47 O PHE I 13 1.200 -2.523 37.221 1.00 69.51 ATOM 48 CB PHE I 13 3.193 -0.343 38.846 1.00 76.51 ATOM 49 CG PHE I 13 4.128 -1.492 38.584 1.00 76.19 ATOM 50 CD1 PHE I 13 4.704 -1.666 37.328 1.00 76.82 ATOM 51 CD2 PHE I 13 4.434 -2.403 39.587 1.00 75.74 ATOM 52 CE1 PHE I 13 5.565 -2.726 37.078 1.00 76.89 ATOM 53 CE2 PHE I 13 5.293 -3.464 39.342 1.00 76.23 ATOM 54 CZ PHE I 13 5.861 -3.625 38.088 1.00 76.78 ATOM 55 N LYS I 14 1.550 -0.517 36.272 1.00 73.53 ATOM 56 CA LYS I 14 1.357 -1.013 34.909 1.00 72.37 ATOM 57 C LYS I 14 2.680 -1.256 34.178 1.00 73.67 ATOM 58 O LYS I 14 3.583 -0.418 34.214 1.00 76.90 ATOM 59 CB LYS I 14 0.433 -0.086 34.097 1.00 73.48 ATOM 60 CG LYS I 14 0.837 1.383 34.064 1.00 77.46 ATOM 61 N ASP I 15 2.795 -2.414 33.533 1.00 71.69 ATOM 62 CA ASP I 15 3.915 -2.682 32.631 1.00 72.84 ATOM 63 C ASP I 15 3.415 -2.652 31.185 1.00 71.99 ATOM 64 O ASP I 15 2.849 -3.633 30.680 1.00 69.42 ATOM 65 CB ASP I 15 4.594 -4.016 32.965 1.00 71.99 ATOM 66 CG ASP I 15 5.790 -4.318 32.065 1.00 73.67 ATOM 67 OD1 ASP I 15 6.059 -5.519 31.838 1.00 72.60 ATOM 68 OD2 ASP I 15 6.461 -3.370 31.588 1.00 76.40 ATOM 69 N LYS I 16 3.642 -1.511 30.533 1.00 74.56 ATOM 70 CA LYS I 16 3.076 -1.204 29.218 1.00 74.50 ATOM 71 C LYS I 16 1.551 -1.115 29.319 1.00 72.97 ATOM 72 O LYS I 16 1.021 -0.358 30.136 1.00 74.15 ATOM 73 CB LYS I 16 3.531 -2.219 28.158 1.00 72.90 ATOM 74 CG LYS I 16 4.984 -2.067 27.745 1.00 75.41 ATOM 75 CD LYS I 16 5.522 -3.325 27.086 1.00 73.61 ATOM 76 CE LYS I 16 7.017 -3.193 26.838 1.00 76.69 ATOM 77 NZ LYS I 16 7.656 -4.493 26.492 1.00 75.44 ATOM 78 N CYS I 17 0.854 -1.893 28.501 1.00 70.75 ATOM 79 CA CYS I 17 -0.601 -1.948 28.548 1.00 69.91 ATOM 80 C CYS I 17 -1.107 -2.950 29.596 1.00 67.32 ATOM 81 O CYS I 17 -2.302 -3.011 29.875 1.00 67.00 ATOM 82 CB CYS I 17 -1.160 -2.266 27.160 1.00 69.62 ATOM 83 SG CYS I 17 -0.761 -3.912 26.523 1.00 66.65 ATOM 84 N ASN I 18 -0.186 -3.719 30.175 1.00 66.08 ATOM 85 CA ASN I 18 -0.501 -4.695 31.217 1.00 64.41 ATOM 86 C ASN I 18 -0.432 -4.127 32.638 1.00 65.20 ATOM 87 O ASN I 18 0.131 -3.055 32.860 1.00 67.19 ATOM 88 CB ASN I 18 0.427 -5.906 31.102 1.00 63.43 ATOM 89 CG ASN I 18 -0.078 -6.944 30.117 1.00 62.22 ATOM 90 OD1 ASN I 18 -1.281 -7.185 30.004 1.00 61.69 ATOM 91 ND2 ASN I 18 0.847 -7.585 29.413 1.00 62.17 ATOM 92 N THR I 19 -1.004 -4.860 33.592 1.00 64.04 ATOM 93 CA THR I 19 -1.021 -4.461 35.000 1.00 64.47 ATOM 94 C THR I 19 -0.291 -5.480 35.870 1.00 64.06 ATOM 95 O THR I 19 -0.508 -6.685 35.747 1.00 63.02 ATOM 96 CB THR I 19 -2.468 -4.238 35.496 1.00 64.20 ATOM 97 OG1 THR I 19 -2.920 -2.953 35.056 1.00 65.88 ATOM 98 CG2 THR I 19 -2.565 -4.296 37.018 1.00 64.00 ATOM 99 N CYS I 20 0.572 -4.982 36.751 1.00 65.55 ATOM 100 CA CYS I 20 1.399 -5.832 37.602 1.00 66.20 ATOM 101 C CYS I 20 1.184 -5.609 39.093 1.00 66.68 ATOM 102 O CYS I 20 0.824 -4.516 39.530 1.00 67.16 ATOM 103 CB CYS I 20 2.877 -5.613 37.287 1.00 68.37 ATOM 104 SG CYS I 20 3.299 -5.837 35.552 1.00 68.28 ATOM 105 N ARG I 21 1.423 -6.662 39.865 1.00 66.93 ATOM 106 CA ARG I 21 1.507 -6.564 41.312 1.00 67.91 ATOM 107 C ARG I 21 2.946 -6.820 41.736 1.00 70.54 ATOM 108 O ARG I 21 3.637 -7.635 41.129 1.00 71.41 ATOM 109 CB ARG I 21 0.572 -7.576 41.965 1.00 66.96 ATOM 110 CG ARG I 21 -0.859 -7.085 42.126 1.00 65.58 ATOM 111 CD ARG I 21 -1.212 -6.833 43.587 1.00 66.01 ATOM 112 NE ARG I 21 -1.228 -8.078 44.359 1.00 66.77 ATOM 113 CZ ARG I 21 -1.898 -8.266 45.494 1.00 66.85 ATOM 114 NH1 ARG I 21 -2.635 -7.292 46.017 1.00 66.20 ATOM 115 NH2 ARG I 21 -1.836 -9.441 46.105 1.00 67.99 ATOM 116 N CYS I 22 3.396 -6.110 42.765 1.00 72.29 ATOM 117 CA CYS I 22 4.737 -6.305 43.308 1.00 75.67 ATOM 118 C CYS I 22 4.729 -7.254 44.496 1.00 76.48 ATOM 119 O CYS I 22 3.980 -7.060 45.455 1.00 75.42 ATOM 120 CB CYS I 22 5.355 -4.972 43.718 1.00 78.23 ATOM 121 SG CYS I 22 6.492 -4.271 42.505 1.00 81.19 ATOM 122 N GLY I 23 5.576 -8.274 44.428 1.00 78.79 ATOM 123 CA GLY I 23 5.679 -9.258 45.498 1.00 80.62 ATOM 124 C GLY I 23 6.403 -8.712 46.709 1.00 83.65 ATOM 125 O GLY I 23 6.889 -7.578 46.693 1.00 84.70 ATOM 126 N SER I 24 6.470 -9.523 47.762 1.00 85.60 ATOM 127 CA SER I 24 7.234 -9.182 48.959 1.00 89.28 ATOM 128 C SER I 24 8.659 -8.770 48.581 1.00 93.53 ATOM 129 O SER I 24 9.129 -7.707 48.984 1.00 95.25 ATOM 130 CB SER I 24 7.245 -10.357 49.935 1.00 91.75 ATOM 131 OG SER I 24 5.925 -10.804 50.191 1.00 88.40 ATOM 132 N ASP I 25 9.325 -9.611 47.789 1.00 95.62 ATOM 133 CA ASP I 25 10.607 -9.272 47.179 1.00 99.57 ATOM 134 C ASP I 25 10.388 -8.256 46.064 1.00 96.71 ATOM 135 O ASP I 25 9.532 -8.448 45.196 1.00 92.43 ATOM 136 CB ASP I 25 11.281 -10.526 46.618 1.00102.48 ATOM 137 N GLY I 26 11.163 -7.175 46.091 1.00 99.75 ATOM 138 CA GLY I 26 11.039 -6.106 45.101 1.00 98.21 ATOM 139 C GLY I 26 11.684 -6.419 43.762 1.00 99.25 ATOM 140 O GLY I 26 12.083 -5.510 43.029 1.00100.54 ATOM 141 N LYS I 27 11.789 -7.707 43.447 1.00 99.08 ATOM 142 CA LYS I 27 12.384 -8.163 42.197 1.00 99.93 ATOM 143 C LYS I 27 11.462 -9.148 41.478 1.00 95.32 ATOM 144 O LYS I 27 11.826 -9.713 40.442 1.00 95.61 ATOM 145 CB LYS I 27 13.758 -8.789 42.457 1.00106.42 ATOM 146 N SER I 28 10.265 -9.334 42.035 1.00 91.42 ATOM 147 CA SER I 28 9.257 -10.229 41.470 1.00 87.52 ATOM 148 C SER I 28 7.946 -9.481 41.224 1.00 82.64 ATOM 149 O SER I 28 7.425 -8.818 42.126 1.00 81.78 ATOM 150 CB SER I 28 9.029 -11.421 42.404 1.00 88.78 ATOM 151 OG SER I 28 8.051 -12.304 41.888 1.00 85.83 ATOM 152 N ALA I 29 7.423 -9.587 40.003 1.00 79.84 ATOM 153 CA ALA I 29 6.208 -8.869 39.614 1.00 76.08 ATOM 154 C ALA I 29 5.218 -9.758 38.868 1.00 73.38 ATOM 155 O ALA I 29 5.603 -10.504 37.970 1.00 73.92 ATOM 156 CB ALA I 29 6.557 -7.646 38.779 1.00 76.27 ATOM 157 N PHE I 30 3.941 -9.656 39.238 1.00 71.07 ATOM 158 CA PHE I 30 2.879 -10.495 38.667 1.00 69.14 ATOM 159 C PHE I 30 1.974 -9.711 37.716 1.00 66.67 ATOM 160 O PHE I 30 1.210 -8.844 38.148 1.00 65.72 ATOM 161 CB PHE I 30 2.047 -11.142 39.784 1.00 69.22 ATOM 162 CG PHE I 30 2.870 -11.708 40.908 1.00 72.06 ATOM 163 CD1 PHE I 30 3.765 -12.751 40.681 1.00 74.78 ATOM 164 CD2 PHE I 30 2.747 -11.205 42.196 1.00 72.55 ATOM 165 CE1 PHE I 30 4.527 -13.274 41.714 1.00 78.16 ATOM 166 CE2 PHE I 30 3.506 -11.725 43.237 1.00 75.62 ATOM 167 CZ PHE I 30 4.396 -12.761 42.996 1.00 78.57 ATOM 168 N CYS I 31 2.055 -10.034 36.425 1.00 65.92 ATOM 169 CA CYS I 31 1.375 -9.258 35.387 1.00 64.29 ATOM 170 C CYS I 31 0.492 -10.109 34.488 1.00 63.15 ATOM 171 O CYS I 31 0.744 -11.299 34.310 1.00 63.77 ATOM 172 CB CYS I 31 2.398 -8.526 34.519 1.00 65.13 ATOM 173 SG CYS I 31 3.782 -7.803 35.428 1.00 67.89 ATOM 174 N THR I 32 -0.535 -9.480 33.917 1.00 62.20 ATOM 175 CA THR I 32 -1.388 -10.106 32.898 1.00 61.70 ATOM 176 C THR I 32 -0.627 -10.281 31.574 1.00 61.55 ATOM 177 O THR I 32 0.415 -9.655 31.366 1.00 61.84 ATOM 178 CB THR I 32 -2.712 -9.335 32.686 1.00 61.47 ATOM 179 OG1 THR I 32 -2.453 -7.933 32.547 1.00 61.53 ATOM 180 CG2 THR I 32 -3.641 -9.547 33.864 1.00 61.92 ATOM 181 N ARG I 33 -1.142 -11.129 30.687 1.00 61.44 ATOM 182 CA ARG I 33 -0.351 -11.595 29.545 1.00 61.46 ATOM 183 C ARG I 33 -0.900 -11.178 28.178 1.00 60.84 ATOM 184 O ARG I 33 -1.130 -12.013 27.304 1.00 61.00 ATOM 185 CB ARG I 33 -0.142 -13.108 29.644 1.00 62.58 ATOM 186 CG ARG I 33 0.522 -13.511 30.949 1.00 63.88 ATOM 187 CD ARG I 33 0.702 -15.007 31.085 1.00 65.91 ATOM 188 NE ARG I 33 1.680 -15.301 32.126 1.00 67.97 ATOM 189 CZ ARG I 33 2.146 -16.514 32.410 1.00 70.78 ATOM 190 NH1 ARG I 33 1.725 -17.576 31.735 1.00 72.02 ATOM 191 NH2 ARG I 33 3.042 -16.664 33.375 1.00 73.03 ATOM 192 N LYS I 34 -1.091 -9.874 28.013 1.00 60.59 ATOM 193 CA LYS I 34 -1.586 -9.281 26.776 1.00 60.59 ATOM 194 C LYS I 34 -0.452 -8.547 26.060 1.00 60.77 ATOM 195 O LYS I 34 0.370 -7.900 26.707 1.00 61.35 ATOM 196 CB LYS I 34 -2.697 -8.287 27.118 1.00 61.37 ATOM 197 CG LYS I 34 -3.300 -7.545 25.935 1.00 62.44 ATOM 198 CD LYS I 34 -3.639 -6.103 26.290 1.00 63.92 ATOM 199 CE LYS I 34 -4.723 -5.997 27.349 1.00 64.55 ATOM 200 NZ LYS I 34 -4.983 -4.583 27.730 1.00 66.35 ATOM 201 N LEU I 35 -0.409 -8.646 24.732 1.00 60.69 ATOM 202 CA LEU I 35 0.582 -7.909 23.940 1.00 61.43 ATOM 203 C LEU I 35 0.289 -6.411 23.874 1.00 63.14 ATOM 204 O LEU I 35 -0.862 -6.003 23.712 1.00 63.89 ATOM 205 CB LEU I 35 0.694 -8.469 22.519 1.00 61.03 ATOM 206 CG LEU I 35 1.781 -9.498 22.194 1.00 60.56 ATOM 207 CD1 LEU I 35 1.843 -9.735 20.694 1.00 60.38 ATOM 208 CD2 LEU I 35 3.144 -9.067 22.708 1.00 61.70 TER