HEADER hydrolase 20-SEP-11 3TVJ TITLE Catalytic fragment of MASP-2 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: I; COMPND 4 MUTATION: YES; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.28 ANGSTORMS DBREF 3TVJ I 1 35 UNP O46162 SGP1_SCHGR 57 91 SEQRES 1 I 35 GLU VAL THR CYS GLU PRO GLY THR THR PHE LYS ASP LYS SEQRES 2 I 35 CYS ASN THR CYS ARG CYS GLY SER ASP GLY LYS SER ALA SEQRES 3 I 35 VAL CYS THR LYS LEU TRP CYS ASN GLN ATOM 1 N GLU I 1 -4.945 -13.171 30.880 0.00 45.33 ATOM 2 CA GLU I 1 -5.525 -14.336 30.742 1.00 46.21 ATOM 3 C GLU I 1 -5.344 -15.003 29.350 1.00 42.59 ATOM 4 O GLU I 1 -6.216 -15.765 28.888 1.00 42.71 ATOM 5 CB GLU I 1 -6.990 -14.425 31.252 1.00 47.29 ATOM 6 CG GLU I 1 -7.378 -15.881 31.749 1.00 53.01 ATOM 7 CD GLU I 1 -8.769 -16.014 32.413 1.00 57.62 ATOM 8 OE1 GLU I 1 -8.829 -16.288 33.652 1.00 60.48 ATOM 9 OE2 GLU I 1 -9.801 -15.875 31.702 1.00 61.64 ATOM 10 N VAL I 2 -4.200 -14.737 28.702 1.00 39.72 ATOM 11 CA VAL I 2 -3.936 -15.173 27.311 1.00 36.65 ATOM 12 C VAL I 2 -2.412 -15.197 27.009 1.00 36.59 ATOM 13 O VAL I 2 -1.664 -14.429 27.574 1.00 38.47 ATOM 14 CB VAL I 2 -4.724 -14.254 26.296 1.00 34.84 ATOM 15 CG1 VAL I 2 -4.090 -12.864 26.189 1.00 28.74 ATOM 16 CG2 VAL I 2 -4.901 -14.906 24.903 1.00 32.77 ATOM 17 N THR I 3 -1.989 -16.117 26.153 1.00 35.99 ATOM 18 CA THR I 3 -0.620 -16.233 25.664 1.00 37.16 ATOM 19 C THR I 3 -0.722 -16.437 24.158 1.00 35.93 ATOM 20 O THR I 3 -1.559 -17.211 23.698 1.00 36.18 ATOM 21 CB THR I 3 0.093 -17.443 26.364 1.00 38.43 ATOM 22 OG1 THR I 3 0.402 -17.058 27.717 1.00 42.98 ATOM 23 CG2 THR I 3 1.409 -17.875 25.640 1.00 38.85 ATOM 24 N CYS I 4 0.072 -15.688 23.386 1.00 34.38 ATOM 25 CA CYS I 4 -0.062 -15.650 21.914 1.00 32.10 ATOM 26 C CYS I 4 1.209 -15.096 21.262 1.00 31.02 ATOM 27 O CYS I 4 2.073 -14.586 21.954 1.00 32.40 ATOM 28 CB CYS I 4 -1.311 -14.785 21.505 1.00 30.43 ATOM 29 SG CYS I 4 -1.376 -13.111 22.168 1.00 25.90 ATOM 30 N GLU I 5 1.271 -15.192 19.930 1.00 31.98 ATOM 31 CA GLU I 5 2.395 -14.668 19.118 0.50 33.96 ATOM 32 C GLU I 5 2.208 -13.196 18.668 1.00 33.03 ATOM 33 O GLU I 5 1.298 -12.877 17.907 1.00 32.17 ATOM 34 CB GLU I 5 2.650 -15.534 17.866 0.50 34.70 ATOM 35 CG GLU I 5 3.983 -15.245 17.150 0.50 35.03 ATOM 36 CD GLU I 5 5.216 -15.677 17.955 0.50 33.41 ATOM 37 OE1 GLU I 5 5.093 -16.667 18.718 0.50 34.14 ATOM 38 OE2 GLU I 5 6.288 -15.051 17.804 0.50 34.26 ATOM 39 N PRO I 6 3.138 -12.280 19.120 1.00 34.25 ATOM 40 CA PRO I 6 3.047 -10.852 18.772 1.00 32.21 ATOM 41 C PRO I 6 2.689 -10.507 17.316 1.00 32.67 ATOM 42 O PRO I 6 3.303 -11.073 16.388 1.00 35.01 ATOM 43 CB PRO I 6 4.439 -10.307 19.176 1.00 32.56 ATOM 44 CG PRO I 6 4.752 -11.080 20.384 1.00 34.71 ATOM 45 CD PRO I 6 4.242 -12.501 20.092 1.00 33.63 ATOM 46 N GLY I 7 1.681 -9.629 17.152 1.00 33.83 ATOM 47 CA GLY I 7 1.115 -9.155 15.854 1.00 32.23 ATOM 48 C GLY I 7 0.118 -10.011 15.060 1.00 33.70 ATOM 49 O GLY I 7 -0.634 -9.505 14.145 1.00 32.49 ATOM 50 N THR I 8 0.098 -11.300 15.369 1.00 27.85 ATOM 51 CA THR I 8 -0.730 -12.196 14.591 1.00 25.96 ATOM 52 C THR I 8 -2.211 -12.042 14.972 1.00 22.98 ATOM 53 O THR I 8 -2.552 -11.545 16.044 1.00 24.99 ATOM 54 CB THR I 8 -0.302 -13.655 14.836 1.00 25.63 ATOM 55 OG1 THR I 8 -0.457 -13.935 16.245 1.00 27.46 ATOM 56 CG2 THR I 8 1.157 -13.858 14.434 1.00 29.91 ATOM 57 N THR I 9 -3.068 -12.444 14.053 1.00 23.53 ATOM 58 CA THR I 9 -4.490 -12.592 14.231 1.00 22.66 ATOM 59 C THR I 9 -4.678 -14.070 14.523 1.00 23.07 ATOM 60 O THR I 9 -4.076 -14.925 13.843 1.00 24.07 ATOM 61 CB THR I 9 -5.262 -12.195 12.972 1.00 23.45 ATOM 62 OG1 THR I 9 -5.094 -10.788 12.740 1.00 26.94 ATOM 63 CG2 THR I 9 -6.702 -12.544 13.123 1.00 24.11 ATOM 64 N PHE I 10 -5.391 -14.370 15.600 1.00 22.04 ATOM 65 CA PHE I 10 -5.555 -15.735 16.038 1.00 20.99 ATOM 66 C PHE I 10 -6.933 -15.915 16.665 1.00 20.79 ATOM 67 O PHE I 10 -7.595 -14.959 16.936 1.00 20.79 ATOM 68 CB PHE I 10 -4.440 -16.069 17.030 1.00 20.79 ATOM 69 CG PHE I 10 -4.563 -15.369 18.354 1.00 21.72 ATOM 70 CD1 PHE I 10 -5.222 -16.003 19.427 1.00 21.58 ATOM 71 CD2 PHE I 10 -4.079 -14.079 18.535 1.00 18.61 ATOM 72 CE1 PHE I 10 -5.374 -15.389 20.678 1.00 21.73 ATOM 73 CE2 PHE I 10 -4.220 -13.427 19.785 1.00 17.96 ATOM 74 CZ PHE I 10 -4.848 -14.075 20.865 1.00 19.55 ATOM 75 N LYS I 11 -7.399 -17.153 16.784 1.00 20.92 ATOM 76 CA LYS I 11 -8.679 -17.436 17.387 1.00 18.91 ATOM 77 C LYS I 11 -8.517 -17.777 18.872 1.00 20.73 ATOM 78 O LYS I 11 -7.673 -18.568 19.294 1.00 22.34 ATOM 79 CB LYS I 11 -9.342 -18.629 16.680 1.00 23.38 ATOM 80 CG LYS I 11 -9.725 -18.342 15.255 1.00 23.01 ATOM 81 CD LYS I 11 -10.891 -17.346 15.088 1.00 25.98 ATOM 82 CE LYS I 11 -12.336 -17.852 15.607 1.00 26.09 ATOM 83 NZ LYS I 11 -12.811 -19.227 15.132 1.00 34.47 ATOM 84 N ASP I 12 -9.377 -17.156 19.645 1.00 18.97 ATOM 85 CA ASP I 12 -9.611 -17.428 21.048 1.00 17.86 ATOM 86 C ASP I 12 -11.039 -17.995 21.066 1.00 16.75 ATOM 87 O ASP I 12 -12.012 -17.298 21.205 1.00 16.46 ATOM 88 CB ASP I 12 -9.429 -16.115 21.849 1.00 18.66 ATOM 89 CG ASP I 12 -9.627 -16.279 23.364 1.00 22.28 ATOM 90 OD1 ASP I 12 -10.263 -15.404 24.007 1.00 26.36 ATOM 91 OD2 ASP I 12 -9.239 -17.293 23.896 1.00 25.27 ATOM 92 N LYS I 13 -11.074 -19.310 21.029 1.00 17.90 ATOM 93 CA LYS I 13 -12.308 -20.062 20.824 0.50 16.07 ATOM 94 C LYS I 13 -13.066 -19.436 19.654 1.00 16.16 ATOM 95 O LYS I 13 -12.582 -19.457 18.527 1.00 17.38 ATOM 96 CB LYS I 13 -13.133 -20.216 22.128 0.50 15.50 ATOM 97 CG LYS I 13 -12.817 -21.537 22.911 0.50 18.11 ATOM 98 CD LYS I 13 -13.775 -21.740 24.129 0.50 19.67 ATOM 99 CE LYS I 13 -13.305 -22.773 25.100 0.50 20.54 ATOM 100 NZ LYS I 13 -14.348 -23.571 25.900 0.50 15.97 ATOM 101 N CYS I 14 -14.215 -18.813 19.919 1.00 16.58 ATOM 102 CA CYS I 14 -15.056 -18.296 18.829 1.00 15.71 ATOM 103 C CYS I 14 -14.752 -16.884 18.413 1.00 14.61 ATOM 104 O CYS I 14 -15.307 -16.409 17.432 1.00 17.17 ATOM 105 CB CYS I 14 -16.523 -18.355 19.221 1.00 15.11 ATOM 106 SG CYS I 14 -17.098 -17.085 20.387 1.00 15.04 ATOM 107 N ASN I 15 -13.849 -16.218 19.142 1.00 15.26 ATOM 108 CA ASN I 15 -13.489 -14.859 18.850 1.00 15.23 ATOM 109 C ASN I 15 -12.171 -14.762 18.072 1.00 15.38 ATOM 110 O ASN I 15 -11.332 -15.684 18.109 1.00 17.75 ATOM 111 CB ASN I 15 -13.382 -14.035 20.138 1.00 14.57 ATOM 112 CG ASN I 15 -14.744 -13.560 20.643 1.00 13.36 ATOM 113 OD1 ASN I 15 -15.505 -12.900 19.876 1.00 12.93 ATOM 114 ND2 ASN I 15 -15.138 -14.017 21.877 1.00 15.12 ATOM 115 N THR I 16 -12.066 -13.677 17.320 1.00 13.99 ATOM 116 CA THR I 16 -10.861 -13.318 16.596 1.00 16.19 ATOM 117 C THR I 16 -10.150 -12.235 17.359 1.00 13.18 ATOM 118 O THR I 16 -10.742 -11.241 17.786 1.00 13.57 ATOM 119 CB THR I 16 -11.182 -12.880 15.166 1.00 17.84 ATOM 120 OG1 THR I 16 -11.933 -13.969 14.529 1.00 22.74 ATOM 121 CG2 THR I 16 -9.879 -12.604 14.405 1.00 23.06 ATOM 122 N CYS I 17 -8.877 -12.404 17.497 1.00 14.12 ATOM 123 CA CYS I 17 -8.021 -11.507 18.288 1.00 13.70 ATOM 124 C CYS I 17 -6.784 -11.150 17.507 1.00 14.65 ATOM 125 O CYS I 17 -6.310 -11.933 16.676 1.00 15.01 ATOM 126 CB CYS I 17 -7.563 -12.154 19.619 1.00 14.99 ATOM 127 SG CYS I 17 -8.883 -12.815 20.691 1.00 14.67 ATOM 128 N ARG I 18 -6.150 -10.024 17.871 1.00 13.64 ATOM 129 CA ARG I 18 -4.842 -9.656 17.407 1.00 14.46 ATOM 130 C ARG I 18 -3.966 -9.616 18.646 1.00 14.06 ATOM 131 O ARG I 18 -4.335 -9.045 19.690 1.00 15.22 ATOM 132 CB ARG I 18 -4.809 -8.262 16.791 1.00 16.19 ATOM 133 CG ARG I 18 -5.489 -8.148 15.469 1.00 18.68 ATOM 134 CD ARG I 18 -4.947 -6.918 14.614 1.00 28.92 ATOM 135 NE ARG I 18 -3.520 -7.083 14.256 1.00 29.93 ATOM 136 CZ ARG I 18 -2.613 -6.086 14.161 1.00 29.64 ATOM 137 NH1 ARG I 18 -2.939 -4.794 14.314 1.00 23.60 ATOM 138 NH2 ARG I 18 -1.353 -6.374 13.879 1.00 35.06 ATOM 139 N CYS I 19 -2.812 -10.285 18.561 1.00 15.50 ATOM 140 CA CYS I 19 -1.978 -10.389 19.737 1.00 17.44 ATOM 141 C CYS I 19 -1.120 -9.149 19.979 1.00 18.38 ATOM 142 O CYS I 19 -0.490 -8.601 19.040 1.00 19.97 ATOM 143 CB CYS I 19 -1.047 -11.578 19.594 1.00 19.45 ATOM 144 SG CYS I 19 -0.034 -12.041 21.023 1.00 25.63 ATOM 145 N GLY I 20 -1.003 -8.782 21.244 1.00 19.24 ATOM 146 CA GLY I 20 -0.153 -7.694 21.679 1.00 20.73 ATOM 147 C GLY I 20 1.315 -7.972 21.580 1.00 21.14 ATOM 148 O GLY I 20 1.745 -9.112 21.370 1.00 22.30 ATOM 149 N SER I 21 2.097 -6.884 21.682 1.00 20.46 ATOM 150 CA SER I 21 3.542 -6.957 21.479 1.00 25.42 ATOM 151 C SER I 21 4.288 -7.735 22.604 1.00 26.46 ATOM 152 O SER I 21 5.418 -8.147 22.408 1.00 29.83 ATOM 153 CB SER I 21 4.071 -5.532 21.318 1.00 26.86 ATOM 154 OG SER I 21 3.850 -4.827 22.508 1.00 27.96 ATOM 155 N ASP I 22 3.606 -8.012 23.726 1.00 25.86 ATOM 156 CA ASP I 22 4.150 -8.794 24.870 1.00 26.46 ATOM 157 C ASP I 22 3.832 -10.292 24.789 1.00 28.92 ATOM 158 O ASP I 22 4.301 -11.094 25.619 1.00 31.12 ATOM 159 CB ASP I 22 3.700 -8.171 26.228 1.00 29.49 ATOM 160 CG ASP I 22 2.179 -8.194 26.484 1.00 31.29 ATOM 161 OD1 ASP I 22 1.436 -8.684 25.628 1.00 28.82 ATOM 162 OD2 ASP I 22 1.760 -7.702 27.581 1.00 29.16 ATOM 163 N GLY I 23 3.029 -10.720 23.806 1.00 27.46 ATOM 164 CA GLY I 23 2.514 -12.099 23.765 1.00 27.52 ATOM 165 C GLY I 23 1.638 -12.554 24.951 1.00 29.66 ATOM 166 O GLY I 23 1.431 -13.757 25.108 1.00 32.74 ATOM 167 N LYS I 24 1.133 -11.624 25.775 1.00 29.37 ATOM 168 CA LYS I 24 0.351 -11.945 27.022 1.00 30.76 ATOM 169 C LYS I 24 -0.918 -11.095 27.080 1.00 29.16 ATOM 170 O LYS I 24 -1.474 -10.873 28.159 1.00 30.32 ATOM 171 CB LYS I 24 1.190 -11.617 28.309 1.00 31.34 ATOM 172 CG LYS I 24 2.491 -12.319 28.429 1.00 36.96 ATOM 173 CD LYS I 24 3.253 -11.789 29.423 0.00 43.30 ATOM 174 CE LYS I 24 3.530 -10.299 29.135 0.00 44.16 ATOM 175 NZ LYS I 24 4.771 -9.805 29.707 0.00 20.00 ATOM 176 N SER I 25 -1.365 -10.587 25.904 1.00 25.61 ATOM 177 CA SER I 25 -2.503 -9.713 25.818 1.00 23.38 ATOM 178 C SER I 25 -3.027 -9.773 24.407 1.00 22.58 ATOM 179 O SER I 25 -2.278 -10.116 23.476 1.00 22.84 ATOM 180 CB SER I 25 -2.067 -8.306 26.177 1.00 24.95 ATOM 181 OG SER I 25 -1.096 -7.845 25.247 1.00 24.71 ATOM 182 N ALA I 26 -4.278 -9.334 24.241 1.00 19.10 ATOM 183 CA ALA I 26 -4.876 -9.284 22.934 1.00 15.65 ATOM 184 C ALA I 26 -6.076 -8.311 22.937 1.00 15.87 ATOM 185 O ALA I 26 -6.634 -7.879 23.992 1.00 17.51 ATOM 186 CB ALA I 26 -5.333 -10.714 22.482 1.00 19.23 ATOM 187 N VAL I 27 -6.460 -7.944 21.729 1.00 13.24 ATOM 188 CA VAL I 27 -7.668 -7.277 21.490 1.00 11.62 ATOM 189 C VAL I 27 -8.518 -8.214 20.666 1.00 12.86 ATOM 190 O VAL I 27 -7.951 -8.921 19.824 1.00 12.35 ATOM 191 CB VAL I 27 -7.425 -5.876 20.776 1.00 11.99 ATOM 192 CG1 VAL I 27 -6.632 -4.911 21.722 1.00 13.62 ATOM 193 CG2 VAL I 27 -6.754 -6.038 19.428 1.00 12.69 ATOM 194 N CYS I 28 -9.806 -8.275 20.923 1.00 11.14 ATOM 195 CA CYS I 28 -10.639 -9.352 20.375 1.00 12.61 ATOM 196 C CYS I 28 -12.011 -8.813 20.033 1.00 11.83 ATOM 197 O CYS I 28 -12.473 -7.848 20.615 1.00 11.60 ATOM 198 CB CYS I 28 -10.821 -10.517 21.358 1.00 14.40 ATOM 199 SG CYS I 28 -9.293 -11.277 21.985 1.00 13.80 ATOM 200 N THR I 29 -12.662 -9.568 19.169 1.00 11.42 ATOM 201 CA THR I 29 -14.068 -9.430 18.917 1.00 11.53 ATOM 202 C THR I 29 -14.959 -9.770 20.140 1.00 11.51 ATOM 203 O THR I 29 -14.442 -10.245 21.142 1.00 10.91 ATOM 204 CB THR I 29 -14.497 -10.228 17.709 1.00 11.97 ATOM 205 OG1 THR I 29 -14.180 -11.621 17.912 1.00 12.59 ATOM 206 CG2 THR I 29 -13.830 -9.735 16.422 1.00 12.29 ATOM 207 N LYS I 30 -16.249 -9.400 20.097 1.00 10.75 ATOM 208 CA LYS I 30 -17.161 -9.406 21.264 1.00 10.01 ATOM 209 C LYS I 30 -18.332 -10.405 21.086 1.00 10.81 ATOM 210 O LYS I 30 -19.420 -10.122 21.546 1.00 10.39 ATOM 211 CB LYS I 30 -17.638 -7.962 21.520 1.00 9.71 ATOM 212 CG LYS I 30 -16.494 -7.080 22.095 1.00 10.90 ATOM 213 CD LYS I 30 -16.832 -5.637 22.278 1.00 8.36 ATOM 214 CE LYS I 30 -15.727 -4.796 22.893 1.00 11.41 ATOM 215 NZ LYS I 30 -16.163 -3.351 23.144 1.00 9.62 ATOM 216 N LEU I 31 -17.993 -11.626 20.640 1.00 10.15 ATOM 217 CA LEU I 31 -18.931 -12.714 20.708 1.00 11.24 ATOM 218 C LEU I 31 -18.843 -13.378 22.083 1.00 10.15 ATOM 219 O LEU I 31 -17.798 -13.472 22.714 1.00 12.39 ATOM 220 CB LEU I 31 -18.610 -13.781 19.599 1.00 11.66 ATOM 221 CG LEU I 31 -18.593 -13.271 18.166 1.00 12.98 ATOM 222 CD1 LEU I 31 -17.971 -14.431 17.279 1.00 10.92 ATOM 223 CD2 LEU I 31 -19.996 -12.897 17.745 1.00 11.15 ATOM 224 N TRP I 32 -19.979 -13.899 22.531 1.00 10.97 ATOM 225 CA TRP I 32 -20.047 -14.770 23.703 1.00 9.66 ATOM 226 C TRP I 32 -20.032 -16.211 23.175 1.00 11.33 ATOM 227 O TRP I 32 -20.979 -16.637 22.493 1.00 12.70 ATOM 228 CB TRP I 32 -21.222 -14.521 24.616 1.00 11.78 ATOM 229 CG TRP I 32 -21.336 -15.412 25.791 1.00 11.33 ATOM 230 CD1 TRP I 32 -21.699 -16.755 25.773 1.00 12.70 ATOM 231 CD2 TRP I 32 -21.068 -15.095 27.171 1.00 12.10 ATOM 232 NE1 TRP I 32 -21.708 -17.247 27.037 1.00 13.66 ATOM 233 CE2 TRP I 32 -21.286 -16.271 27.908 1.00 15.20 ATOM 234 CE3 TRP I 32 -20.709 -13.954 27.836 1.00 14.13 ATOM 235 CZ2 TRP I 32 -21.132 -16.309 29.307 1.00 16.09 ATOM 236 CZ3 TRP I 32 -20.577 -13.965 29.227 1.00 16.89 ATOM 237 CH2 TRP I 32 -20.795 -15.143 29.960 1.00 19.10 ATOM 238 N CYS I 33 -18.973 -16.951 23.490 1.00 11.34 ATOM 239 CA CYS I 33 -18.824 -18.298 22.988 1.00 13.30 ATOM 240 C CYS I 33 -19.622 -19.204 23.953 1.00 15.23 ATOM 241 O CYS I 33 -19.384 -19.236 25.166 1.00 16.63 ATOM 242 CB CYS I 33 -17.346 -18.740 22.965 1.00 14.65 ATOM 243 SG CYS I 33 -16.234 -17.541 22.157 1.00 14.89 ATOM 244 N ASN I 34 -20.674 -19.830 23.457 1.00 17.95 ATOM 245 CA ASN I 34 -21.569 -20.574 24.294 1.00 20.37 ATOM 246 C ASN I 34 -20.812 -21.781 24.901 1.00 26.10 ATOM 247 O ASN I 34 -21.198 -22.260 25.962 1.00 27.71 ATOM 248 CB ASN I 34 -22.855 -20.933 23.566 1.00 19.57 ATOM 249 CG ASN I 34 -23.745 -19.668 23.286 1.00 16.64 ATOM 250 OD1 ASN I 34 -23.721 -18.677 24.038 1.00 22.00 ATOM 251 ND2 ASN I 34 -24.582 -19.743 22.263 1.00 24.53 ATOM 252 N GLN I 35 -19.793 -22.205 24.129 0.50 29.28 ATOM 253 CA GLN I 35 -18.726 -23.163 24.447 0.50 33.28 ATOM 254 C GLN I 35 -17.412 -22.407 24.565 0.50 35.11 ATOM 255 O GLN I 35 -16.874 -22.102 25.645 0.50 36.75 ATOM 256 CB GLN I 35 -18.550 -24.146 23.275 0.50 33.28 ATOM 257 CG GLN I 35 -17.875 -25.473 23.654 0.50 32.79 ATOM 258 CD GLN I 35 -16.385 -25.552 23.320 0.50 28.80 ATOM 259 OE1 GLN I 35 -15.551 -25.651 24.215 0.50 23.32 ATOM 260 NE2 GLN I 35 -16.057 -25.556 22.033 0.50 32.96 ATOM 261 OXT GLN I 35 -16.863 -22.091 23.496 0.50 36.67 TER