HEADER IMMUNE SYSTEM 31-DEC-69 5O32 TITLE The structure of complement complex COMPND MOL_ID: 4; COMPND 2 MOLECULE: Complement factor I; COMPND 3 CHAIN: D, H; COMPND 4 EC: 3.4.21.45; COMPND 5 FRAGMENT: UNP Residues ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.21 ANGSTORMS DBREF 5O32 D 19 339 UNP P05156 CFAI_HUMAN 19 339 SEQRES 1 D 36 ALA CYS GLN GLY LYS GLY PHE HIS CYS LYS SER GLY VAL SEQRES 2 D 36 CYS ILE PRO SER GLN TYR GLN CYS ASN GLY GLU VAL ASP SEQRES 3 D 36 CYS ILE THR GLY GLU ASP GLU VAL GLY CYS ATOM 1 N ALA D 258 -1.248 -92.825 28.815 1.00142.03 ATOM 2 CA ALA D 258 -2.590 -93.383 28.894 1.00139.35 ATOM 3 C ALA D 258 -2.894 -93.656 30.359 1.00137.24 ATOM 4 O ALA D 258 -1.996 -93.989 31.137 1.00139.64 ATOM 5 CB ALA D 258 -2.727 -94.663 28.063 1.00143.46 ATOM 6 N CYS D 259 -4.163 -93.510 30.728 1.00146.39 ATOM 7 CA CYS D 259 -4.563 -93.628 32.122 1.00143.70 ATOM 8 C CYS D 259 -4.915 -95.070 32.470 1.00146.26 ATOM 9 O CYS D 259 -5.449 -95.820 31.648 1.00148.51 ATOM 10 CB CYS D 259 -5.745 -92.705 32.422 1.00138.26 ATOM 11 SG CYS D 259 -5.515 -91.016 31.808 1.00135.56 ATOM 12 N GLN D 260 -4.607 -95.448 33.711 1.00138.40 ATOM 13 CA GLN D 260 -4.815 -96.810 34.190 1.00141.07 ATOM 14 C GLN D 260 -6.294 -97.122 34.375 1.00138.66 ATOM 15 O GLN D 260 -6.890 -97.839 33.565 1.00141.07 ATOM 16 CB GLN D 260 -4.063 -97.030 35.505 1.00141.30 ATOM 17 CG GLN D 260 -4.176 -98.441 36.058 1.00144.32 ATOM 18 CD GLN D 260 -3.420 -99.453 35.221 1.00150.88 ATOM 19 OE1 GLN D 260 -2.296 -99.201 34.788 1.00153.93 ATOM 20 NE2 GLN D 260 -4.035-100.607 34.990 1.00153.58 ATOM 21 N GLY D 261 -6.892 -96.591 35.439 1.00141.65 ATOM 22 CA GLY D 261 -8.281 -96.869 35.745 1.00140.01 ATOM 23 C GLY D 261 -9.265 -96.117 34.873 1.00137.99 ATOM 24 O GLY D 261 -9.115 -96.070 33.649 1.00139.79 ATOM 25 N LYS D 262 -10.281 -95.522 35.497 1.00145.99 ATOM 26 CA LYS D 262 -11.312 -94.784 34.783 1.00144.29 ATOM 27 C LYS D 262 -10.966 -93.309 34.611 1.00140.78 ATOM 28 O LYS D 262 -11.871 -92.486 34.429 1.00138.50 ATOM 29 CB LYS D 262 -12.657 -94.936 35.499 1.00143.44 ATOM 30 CG LYS D 262 -12.578 -94.809 37.014 1.00141.23 ATOM 31 CD LYS D 262 -13.858 -95.297 37.680 1.00142.12 ATOM 32 CE LYS D 262 -14.990 -94.295 37.526 1.00140.22 ATOM 33 NZ LYS D 262 -14.736 -93.050 38.300 1.00136.11 ATOM 34 N GLY D 263 -9.682 -92.960 34.662 1.00136.49 ATOM 35 CA GLY D 263 -9.284 -91.582 34.460 1.00133.82 ATOM 36 C GLY D 263 -9.257 -91.203 32.990 1.00134.98 ATOM 37 O GLY D 263 -8.968 -92.017 32.113 1.00138.46 ATOM 38 N PHE D 264 -9.567 -89.938 32.724 1.00131.28 ATOM 39 CA PHE D 264 -9.583 -89.421 31.364 1.00131.94 ATOM 40 C PHE D 264 -8.239 -88.789 31.024 1.00132.83 ATOM 41 O PHE D 264 -7.570 -88.207 31.881 1.00131.55 ATOM 42 CB PHE D 264 -10.706 -88.400 31.186 1.00128.95 ATOM 43 CG PHE D 264 -10.758 -87.792 29.815 1.00129.42 ATOM 44 CD1 PHE D 264 -11.022 -88.579 28.707 1.00132.08 ATOM 45 CD2 PHE D 264 -10.546 -86.436 29.634 1.00127.37 ATOM 46 CE1 PHE D 264 -11.071 -88.027 27.442 1.00132.47 ATOM 47 CE2 PHE D 264 -10.594 -85.876 28.371 1.00127.89 ATOM 48 CZ PHE D 264 -10.857 -86.673 27.273 1.00130.35 ATOM 49 N HIS D 265 -7.853 -88.904 29.756 1.00123.97 ATOM 50 CA HIS D 265 -6.525 -88.524 29.291 1.00125.35 ATOM 51 C HIS D 265 -6.613 -87.280 28.418 1.00125.20 ATOM 52 O HIS D 265 -7.412 -87.234 27.476 1.00126.54 ATOM 53 CB HIS D 265 -5.881 -89.676 28.515 1.00129.69 ATOM 54 CG HIS D 265 -4.469 -89.412 28.090 1.00132.84 ATOM 55 ND1 HIS D 265 -4.110 -89.235 26.771 1.00134.98 ATOM 56 CD2 HIS D 265 -3.328 -89.300 28.809 1.00134.58 ATOM 57 CE1 HIS D 265 -2.807 -89.026 26.696 1.00137.99 ATOM 58 NE2 HIS D 265 -2.309 -89.058 27.919 1.00137.99 ATOM 59 N CYS D 266 -5.797 -86.275 28.733 1.00128.78 ATOM 60 CA CYS D 266 -5.721 -85.077 27.913 1.00127.94 ATOM 61 C CYS D 266 -4.749 -85.295 26.755 1.00131.90 ATOM 62 O CYS D 266 -3.940 -86.226 26.757 1.00135.45 ATOM 63 CB CYS D 266 -5.262 -83.869 28.737 1.00125.96 ATOM 64 SG CYS D 266 -6.142 -83.552 30.293 1.00121.61 ATOM 65 N LYS D 267 -4.835 -84.413 25.754 1.00123.14 ATOM 66 CA LYS D 267 -3.856 -84.438 24.671 1.00126.70 ATOM 67 C LYS D 267 -2.452 -84.140 25.179 1.00129.19 ATOM 68 O LYS D 267 -1.468 -84.616 24.602 1.00133.31 ATOM 69 CB LYS D 267 -4.241 -83.437 23.580 1.00125.45 ATOM 70 CG LYS D 267 -4.856 -84.063 22.338 1.00126.97 ATOM 71 CD LYS D 267 -4.898 -83.065 21.190 1.00127.73 ATOM 72 CE LYS D 267 -5.520 -83.674 19.944 1.00131.01 ATOM 73 NZ LYS D 267 -5.503 -82.727 18.795 1.00133.85 ATOM 74 N SER D 268 -2.341 -83.353 26.251 1.00124.46 ATOM 75 CA SER D 268 -1.032 -83.019 26.799 1.00123.87 ATOM 76 C SER D 268 -0.360 -84.245 27.403 1.00124.55 ATOM 77 O SER D 268 0.828 -84.496 27.167 1.00127.43 ATOM 78 CB SER D 268 -1.171 -81.915 27.844 1.00121.19 ATOM 79 OG SER D 268 0.027 -81.767 28.584 1.00120.91 ATOM 80 N GLY D 269 -1.104 -85.019 28.186 1.00130.98 ATOM 81 CA GLY D 269 -0.544 -86.173 28.858 1.00132.99 ATOM 82 C GLY D 269 -0.829 -86.194 30.345 1.00130.20 ATOM 83 O GLY D 269 -0.027 -86.699 31.135 1.00131.89 ATOM 84 N VAL D 270 -1.975 -85.644 30.736 1.00135.55 ATOM 85 CA VAL D 270 -2.392 -85.578 32.130 1.00132.34 ATOM 86 C VAL D 270 -3.669 -86.388 32.295 1.00129.97 ATOM 87 O VAL D 270 -4.555 -86.348 31.434 1.00128.88 ATOM 88 CB VAL D 270 -2.600 -84.120 32.588 1.00128.73 ATOM 89 CG1 VAL D 270 -2.929 -84.065 34.072 1.00125.71 ATOM 90 CG2 VAL D 270 -1.366 -83.288 32.276 1.00131.57 ATOM 91 N CYS D 271 -3.761 -87.125 33.399 1.00122.93 ATOM 92 CA CYS D 271 -4.940 -87.921 33.713 1.00122.52 ATOM 93 C CYS D 271 -5.753 -87.234 34.802 1.00120.24 ATOM 94 O CYS D 271 -5.215 -86.874 35.854 1.00118.65 ATOM 95 CB CYS D 271 -4.547 -89.333 34.145 1.00122.92 ATOM 96 SG CYS D 271 -3.877 -90.330 32.798 1.00126.02 ATOM 97 N ILE D 272 -7.041 -87.055 34.544 1.00124.81 ATOM 98 CA ILE D 272 -7.937 -86.353 35.459 1.00120.99 ATOM 99 C ILE D 272 -8.973 -87.350 35.955 1.00120.81 ATOM 100 O ILE D 272 -9.180 -88.411 35.341 1.00123.37 ATOM 101 CB ILE D 272 -8.603 -85.132 34.784 1.00119.02 ATOM 102 CG1 ILE D 272 -9.545 -85.588 33.667 1.00120.11 ATOM 103 CG2 ILE D 272 -7.548 -84.183 34.245 1.00119.74 ATOM 104 CD1 ILE D 272 -10.333 -84.464 33.034 1.00118.39 ATOM 105 N PRO D 273 -9.638 -87.052 37.072 1.00120.84 ATOM 106 CA PRO D 273 -10.705 -87.938 37.554 1.00120.94 ATOM 107 C PRO D 273 -11.866 -88.003 36.571 1.00122.53 ATOM 108 O PRO D 273 -11.977 -87.214 35.629 1.00123.35 ATOM 109 CB PRO D 273 -11.130 -87.299 38.879 1.00119.07 ATOM 110 CG PRO D 273 -9.941 -86.515 39.316 1.00117.90 ATOM 111 CD PRO D 273 -9.314 -86.002 38.055 1.00119.00 ATOM 112 N SER D 274 -12.759 -88.967 36.814 1.00131.21 ATOM 113 CA SER D 274 -13.876 -89.196 35.904 1.00132.75 ATOM 114 C SER D 274 -14.959 -88.130 36.039 1.00131.07 ATOM 115 O SER D 274 -15.509 -87.675 35.029 1.00131.50 ATOM 116 CB SER D 274 -14.476 -90.583 36.138 1.00135.44 ATOM 117 OG SER D 274 -13.608 -91.598 35.666 1.00137.83 ATOM 118 N GLN D 275 -15.283 -87.718 37.266 1.00134.15 ATOM 119 CA GLN D 275 -16.302 -86.690 37.461 1.00133.07 ATOM 120 C GLN D 275 -15.834 -85.300 37.045 1.00130.74 ATOM 121 O GLN D 275 -16.619 -84.350 37.141 1.00130.04 ATOM 122 CB GLN D 275 -16.771 -86.666 38.919 1.00132.62 ATOM 123 CG GLN D 275 -15.665 -86.800 39.952 1.00130.96 ATOM 124 CD GLN D 275 -15.451 -88.236 40.388 1.00132.90 ATOM 125 OE1 GLN D 275 -15.443 -89.151 39.566 1.00135.18 ATOM 126 NE2 GLN D 275 -15.289 -88.442 41.691 1.00132.22 ATOM 127 N TYR D 276 -14.590 -85.154 36.587 1.00122.56 ATOM 128 CA TYR D 276 -14.111 -83.872 36.085 1.00122.41 ATOM 129 C TYR D 276 -14.618 -83.562 34.682 1.00124.53 ATOM 130 O TYR D 276 -14.404 -82.446 34.198 1.00124.72 ATOM 131 CB TYR D 276 -12.580 -83.834 36.103 1.00121.73 ATOM 132 CG TYR D 276 -11.994 -83.380 37.422 1.00119.61 ATOM 133 CD1 TYR D 276 -12.401 -83.953 38.620 1.00118.54 ATOM 134 CD2 TYR D 276 -11.035 -82.377 37.470 1.00118.91 ATOM 135 CE1 TYR D 276 -11.869 -83.539 39.828 1.00116.86 ATOM 136 CE2 TYR D 276 -10.498 -81.956 38.672 1.00117.21 ATOM 137 CZ TYR D 276 -10.918 -82.541 39.847 1.00116.20 ATOM 138 OH TYR D 276 -10.384 -82.124 41.046 1.00114.74 ATOM 139 N GLN D 277 -15.278 -84.514 34.027 1.00124.76 ATOM 140 CA GLN D 277 -15.903 -84.280 32.734 1.00125.81 ATOM 141 C GLN D 277 -17.312 -83.737 32.929 1.00125.76 ATOM 142 O GLN D 277 -18.072 -84.236 33.765 1.00126.59 ATOM 143 CB GLN D 277 -15.952 -85.569 31.913 1.00128.50 ATOM 144 CG GLN D 277 -14.608 -86.010 31.364 1.00129.43 ATOM 145 CD GLN D 277 -14.742 -86.989 30.214 1.00132.27 ATOM 146 OE1 GLN D 277 -15.643 -87.828 30.200 1.00134.00 ATOM 147 NE2 GLN D 277 -13.841 -86.890 29.244 1.00133.08 ATOM 148 N CYS D 278 -17.654 -82.715 32.144 1.00130.13 ATOM 149 CA CYS D 278 -18.964 -82.065 32.206 1.00130.51 ATOM 150 C CYS D 278 -19.258 -81.556 33.618 1.00129.55 ATOM 151 O CYS D 278 -20.336 -81.777 34.174 1.00131.06 ATOM 152 CB CYS D 278 -20.072 -83.003 31.719 1.00133.14 ATOM 153 SG CYS D 278 -19.803 -83.728 30.082 1.00134.70 ATOM 154 N ASN D 279 -18.280 -80.861 34.199 1.00130.07 ATOM 155 CA ASN D 279 -18.400 -80.325 35.547 1.00129.07 ATOM 156 C ASN D 279 -18.415 -78.803 35.588 1.00127.87 ATOM 157 O ASN D 279 -18.553 -78.228 36.673 1.00127.32 ATOM 158 CB ASN D 279 -17.261 -80.854 36.429 1.00127.80 ATOM 159 CG ASN D 279 -15.901 -80.337 36.001 1.00126.33 ATOM 160 OD1 ASN D 279 -15.697 -79.982 34.840 1.00126.64 ATOM 161 ND2 ASN D 279 -14.961 -80.293 36.938 1.00125.06 ATOM 162 N GLY D 280 -18.281 -78.136 34.444 1.00127.97 ATOM 163 CA GLY D 280 -18.298 -76.687 34.424 1.00127.34 ATOM 164 C GLY D 280 -16.974 -76.022 34.720 1.00125.59 ATOM 165 O GLY D 280 -16.956 -74.932 35.301 1.00124.92 ATOM 166 N GLU D 281 -15.859 -76.645 34.341 1.00124.22 ATOM 167 CA GLU D 281 -14.545 -76.067 34.590 1.00123.16 ATOM 168 C GLU D 281 -13.538 -76.725 33.659 1.00124.01 ATOM 169 O GLU D 281 -13.481 -77.956 33.577 1.00124.75 ATOM 170 CB GLU D 281 -14.126 -76.248 36.054 1.00122.02 ATOM 171 CG GLU D 281 -12.930 -75.404 36.462 1.00121.23 ATOM 172 CD GLU D 281 -12.298 -75.874 37.755 1.00120.45 ATOM 173 OE1 GLU D 281 -11.103 -75.584 37.971 1.00120.40 ATOM 174 OE2 GLU D 281 -12.992 -76.540 38.551 1.00120.22 ATOM 175 N VAL D 282 -12.752 -75.906 32.961 1.00112.59 ATOM 176 CA VAL D 282 -11.736 -76.418 32.047 1.00113.81 ATOM 177 C VAL D 282 -10.596 -77.022 32.858 1.00112.21 ATOM 178 O VAL D 282 -9.917 -76.321 33.617 1.00110.83 ATOM 179 CB VAL D 282 -11.229 -75.308 31.118 1.00115.28 ATOM 180 CG1 VAL D 282 -10.295 -75.883 30.067 1.00117.03 ATOM 181 CG2 VAL D 282 -12.398 -74.586 30.468 1.00116.83 ATOM 182 N ASP D 283 -10.383 -78.330 32.703 1.00118.29 ATOM 183 CA ASP D 283 -9.349 -79.048 33.445 1.00118.96 ATOM 184 C ASP D 283 -8.087 -79.264 32.615 1.00121.61 ATOM 185 O ASP D 283 -6.993 -78.870 33.031 1.00122.37 ATOM 186 CB ASP D 283 -9.907 -80.387 33.943 1.00119.10 ATOM 187 CG ASP D 283 -11.047 -80.211 34.928 1.00117.08 ATOM 188 OD1 ASP D 283 -10.940 -79.337 35.814 1.00115.48 ATOM 189 OD2 ASP D 283 -12.054 -80.941 34.814 1.00117.51 ATOM 190 N CYS D 284 -8.216 -79.898 31.451 1.00120.82 ATOM 191 CA CYS D 284 -7.087 -80.032 30.542 1.00123.82 ATOM 192 C CYS D 284 -6.670 -78.664 30.015 1.00123.83 ATOM 193 O CYS D 284 -7.484 -77.744 29.901 1.00121.84 ATOM 194 CB CYS D 284 -7.437 -80.944 29.363 1.00125.75 ATOM 195 SG CYS D 284 -7.885 -82.654 29.761 1.00126.64 ATOM 196 N ILE D 285 -5.382 -78.530 29.690 1.00114.45 ATOM 197 CA ILE D 285 -4.941 -77.302 29.039 1.00115.15 ATOM 198 C ILE D 285 -5.501 -77.225 27.627 1.00115.92 ATOM 199 O ILE D 285 -5.727 -76.130 27.097 1.00115.94 ATOM 200 CB ILE D 285 -3.405 -77.194 29.039 1.00118.39 ATOM 201 CG1 ILE D 285 -2.767 -78.490 28.542 1.00121.71 ATOM 202 CG2 ILE D 285 -2.895 -76.843 30.430 1.00117.53 ATOM 203 CD1 ILE D 285 -1.261 -78.419 28.467 1.00125.74 ATOM 204 N THR D 286 -5.736 -78.377 26.994 1.00119.94 ATOM 205 CA THR D 286 -6.389 -78.385 25.690 1.00121.00 ATOM 206 C THR D 286 -7.880 -78.091 25.816 1.00118.79 ATOM 207 O THR D 286 -8.434 -77.319 25.024 1.00118.95 ATOM 208 CB THR D 286 -6.161 -79.729 25.000 1.00123.38 ATOM 209 OG1 THR D 286 -7.003 -80.723 25.595 1.00122.17 ATOM 210 CG2 THR D 286 -4.707 -80.154 25.141 1.00125.75 ATOM 211 N GLY D 287 -8.543 -78.695 26.796 1.00119.86 ATOM 212 CA GLY D 287 -9.948 -78.446 27.039 1.00118.01 ATOM 213 C GLY D 287 -10.913 -79.437 26.426 1.00119.27 ATOM 214 O GLY D 287 -12.087 -79.094 26.245 1.00119.24 ATOM 215 N GLU D 288 -10.465 -80.648 26.105 1.00121.99 ATOM 216 CA GLU D 288 -11.315 -81.643 25.463 1.00123.12 ATOM 217 C GLU D 288 -12.240 -82.366 26.434 1.00122.11 ATOM 218 O GLU D 288 -13.049 -83.188 25.991 1.00123.21 ATOM 219 CB GLU D 288 -10.447 -82.672 24.734 1.00126.05 ATOM 220 CG GLU D 288 -9.572 -83.501 25.663 1.00126.89 ATOM 221 CD GLU D 288 -8.294 -83.974 24.998 1.00130.16 ATOM 222 OE1 GLU D 288 -7.423 -83.126 24.705 1.00130.70 ATOM 223 OE2 GLU D 288 -8.158 -85.194 24.771 1.00132.56 ATOM 224 N ASP D 289 -12.148 -82.088 27.734 1.00126.03 ATOM 225 CA ASP D 289 -12.983 -82.781 28.707 1.00125.29 ATOM 226 C ASP D 289 -14.383 -82.193 28.827 1.00124.14 ATOM 227 O ASP D 289 -15.272 -82.859 29.368 1.00124.37 ATOM 228 CB ASP D 289 -12.309 -82.767 30.081 1.00124.01 ATOM 229 CG ASP D 289 -12.005 -81.364 30.564 1.00121.92 ATOM 230 OD1 ASP D 289 -11.546 -80.539 29.746 1.00122.25 ATOM 231 OD2 ASP D 289 -12.231 -81.083 31.760 1.00120.24 ATOM 232 N GLU D 290 -14.604 -80.973 28.338 1.00126.55 ATOM 233 CA GLU D 290 -15.869 -80.273 28.528 1.00126.06 ATOM 234 C GLU D 290 -16.583 -80.008 27.206 1.00128.16 ATOM 235 O GLU D 290 -17.362 -79.059 27.096 1.00128.77 ATOM 236 CB GLU D 290 -15.650 -78.963 29.283 1.00124.17 ATOM 237 CG GLU D 290 -15.083 -79.129 30.684 1.00122.44 ATOM 238 CD GLU D 290 -16.059 -79.789 31.640 1.00122.22 ATOM 239 OE1 GLU D 290 -15.800 -80.938 32.057 1.00122.64 ATOM 240 OE2 GLU D 290 -17.084 -79.159 31.977 1.00122.11 ATOM 241 N VAL D 291 -16.334 -80.836 26.195 1.00129.50 ATOM 242 CA VAL D 291 -16.972 -80.681 24.894 1.00132.84 ATOM 243 C VAL D 291 -18.044 -81.751 24.738 1.00134.32 ATOM 244 O VAL D 291 -17.901 -82.882 25.218 1.00133.47 ATOM 245 CB VAL D 291 -15.953 -80.752 23.737 1.00134.89 ATOM 246 CG1 VAL D 291 -15.041 -79.534 23.762 1.00134.02 ATOM 247 CG2 VAL D 291 -15.143 -82.037 23.815 1.00134.59 ATOM 248 N GLY D 292 -19.124 -81.382 24.056 1.00132.81 ATOM 249 CA GLY D 292 -20.246 -82.288 23.868 1.00134.60 ATOM 250 C GLY D 292 -20.890 -82.722 25.166 1.00132.37 ATOM 251 O GLY D 292 -21.189 -83.910 25.345 1.00132.73 ATOM 252 N CYS D 293 -21.113 -81.782 26.079 1.00135.64 ATOM 253 CA CYS D 293 -21.647 -82.076 27.407 1.00133.68 ATOM 254 C CYS D 293 -23.111 -81.657 27.444 1.00135.07 ATOM 255 O CYS D 293 -23.428 -80.472 27.568 1.00134.79 ATOM 256 CB CYS D 293 -20.841 -81.362 28.486 1.00131.16 ATOM 257 SG CYS D 293 -19.275 -82.152 28.914 1.00129.97 ATOM 258 CA CA D 401 -13.916 -80.335 33.402 1.00123.77 TER