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 H 19 339 UNP P05156 CFAI_HUMAN 19 339 SEQRES 1 H 36 ALA CYS GLN GLY LYS GLY PHE HIS CYS LYS SER GLY VAL SEQRES 2 H 36 CYS ILE PRO SER GLN TYR GLN CYS ASN GLY GLU VAL ASP SEQRES 3 H 36 CYS ILE THR GLY GLU ASP GLU VAL GLY CYS ATOM 1 N ALA H 258 -44.005 -22.265 21.611 1.00112.68 ATOM 2 CA ALA H 258 -42.749 -21.633 21.984 1.00111.66 ATOM 3 C ALA H 258 -42.829 -21.282 23.462 1.00110.41 ATOM 4 O ALA H 258 -43.905 -20.965 23.977 1.00112.01 ATOM 5 CB ALA H 258 -42.467 -20.383 21.144 1.00115.55 ATOM 6 N CYS H 259 -41.687 -21.343 24.136 1.00120.46 ATOM 7 CA CYS H 259 -41.646 -21.142 25.577 1.00118.72 ATOM 8 C CYS H 259 -41.460 -19.665 25.908 1.00121.78 ATOM 9 O CYS H 259 -40.794 -18.922 25.181 1.00124.14 ATOM 10 CB CYS H 259 -40.525 -21.971 26.209 1.00114.35 ATOM 11 SG CYS H 259 -40.473 -23.709 25.669 1.00111.31 ATOM 12 N GLN H 260 -42.062 -19.246 27.022 1.00113.76 ATOM 13 CA GLN H 260 -42.028 -17.852 27.450 1.00117.04 ATOM 14 C GLN H 260 -40.632 -17.460 27.914 1.00115.79 ATOM 15 O GLN H 260 -39.914 -16.745 27.208 1.00118.35 ATOM 16 CB GLN H 260 -43.042 -17.612 28.572 1.00117.13 ATOM 17 CG GLN H 260 -43.114 -16.174 29.066 1.00120.84 ATOM 18 CD GLN H 260 -43.740 -15.234 28.056 1.00126.77 ATOM 19 OE1 GLN H 260 -44.746 -15.560 27.427 1.00128.35 ATOM 20 NE2 GLN H 260 -43.148 -14.055 27.898 1.00130.49 ATOM 21 N GLY H 261 -40.243 -17.918 29.101 1.00115.67 ATOM 22 CA GLY H 261 -38.951 -17.571 29.658 1.00114.67 ATOM 23 C GLY H 261 -37.800 -18.330 29.031 1.00112.41 ATOM 24 O GLY H 261 -37.710 -18.440 27.805 1.00113.72 ATOM 25 N LYS H 262 -36.910 -18.858 29.868 1.00119.66 ATOM 26 CA LYS H 262 -35.741 -19.593 29.410 1.00117.55 ATOM 27 C LYS H 262 -36.003 -21.088 29.261 1.00113.94 ATOM 28 O LYS H 262 -35.058 -21.883 29.326 1.00111.44 ATOM 29 CB LYS H 262 -34.566 -19.349 30.360 1.00116.65 ATOM 30 CG LYS H 262 -34.936 -19.399 31.835 1.00114.94 ATOM 31 CD LYS H 262 -33.824 -18.830 32.704 1.00115.51 ATOM 32 CE LYS H 262 -32.659 -19.800 32.821 1.00112.91 ATOM 33 NZ LYS H 262 -33.021 -21.020 33.594 1.00109.13 ATOM 34 N GLY H 263 -37.257 -21.488 29.059 1.00102.28 ATOM 35 CA GLY H 263 -37.564 -22.894 28.890 1.00100.98 ATOM 36 C GLY H 263 -37.228 -23.396 27.497 1.00102.16 ATOM 37 O GLY H 263 -37.317 -22.674 26.505 1.00104.07 ATOM 38 N PHE H 264 -36.835 -24.665 27.433 1.00105.76 ATOM 39 CA PHE H 264 -36.469 -25.303 26.178 1.00105.79 ATOM 40 C PHE H 264 -37.669 -26.024 25.574 1.00106.38 ATOM 41 O PHE H 264 -38.509 -26.577 26.288 1.00105.30 ATOM 42 CB PHE H 264 -35.318 -26.287 26.390 1.00102.76 ATOM 43 CG PHE H 264 -34.922 -27.030 25.149 1.00102.66 ATOM 44 CD1 PHE H 264 -34.412 -26.351 24.055 1.00104.81 ATOM 45 CD2 PHE H 264 -35.057 -28.406 25.078 1.00100.58 ATOM 46 CE1 PHE H 264 -34.047 -27.031 22.908 1.00104.72 ATOM 47 CE2 PHE H 264 -34.693 -29.093 23.935 1.00100.65 ATOM 48 CZ PHE H 264 -34.186 -28.404 22.848 1.00102.64 ATOM 49 N HIS H 265 -37.728 -26.031 24.245 1.00103.20 ATOM 50 CA HIS H 265 -38.888 -26.506 23.502 1.00104.84 ATOM 51 C HIS H 265 -38.561 -27.809 22.783 1.00103.10 ATOM 52 O HIS H 265 -37.569 -27.885 22.050 1.00102.74 ATOM 53 CB HIS H 265 -39.346 -25.444 22.497 1.00108.90 ATOM 54 CG HIS H 265 -40.599 -25.800 21.762 1.00111.21 ATOM 55 ND1 HIS H 265 -40.613 -26.094 20.415 1.00112.68 ATOM 56 CD2 HIS H 265 -41.882 -25.903 22.182 1.00112.31 ATOM 57 CE1 HIS H 265 -41.850 -26.364 20.038 1.00114.62 ATOM 58 NE2 HIS H 265 -42.639 -26.257 21.092 1.00114.24 ATOM 59 N CYS H 266 -39.396 -28.825 22.992 1.00108.84 ATOM 60 CA CYS H 266 -39.276 -30.101 22.301 1.00107.60 ATOM 61 C CYS H 266 -39.994 -30.052 20.955 1.00110.73 ATOM 62 O CYS H 266 -40.803 -29.161 20.686 1.00113.89 ATOM 63 CB CYS H 266 -39.856 -31.243 23.140 1.00105.38 ATOM 64 SG CYS H 266 -39.279 -31.375 24.849 1.00102.04 ATOM 65 N LYS H 267 -39.687 -31.036 20.103 1.00101.92 ATOM 66 CA LYS H 267 -40.438 -31.195 18.861 1.00104.68 ATOM 67 C LYS H 267 -41.903 -31.500 19.136 1.00105.81 ATOM 68 O LYS H 267 -42.773 -31.160 18.326 1.00108.79 ATOM 69 CB LYS H 267 -39.835 -32.313 18.009 1.00103.46 ATOM 70 CG LYS H 267 -39.000 -31.864 16.822 1.00104.66 ATOM 71 CD LYS H 267 -38.746 -33.041 15.888 1.00104.17 ATOM 72 CE LYS H 267 -37.902 -32.642 14.691 1.00105.30 ATOM 73 NZ LYS H 267 -37.711 -33.778 13.747 1.00105.13 ATOM 74 N SER H 268 -42.190 -32.148 20.266 1.00 98.75 ATOM 75 CA SER H 268 -43.566 -32.495 20.602 1.00 99.67 ATOM 76 C SER H 268 -44.394 -31.253 20.896 1.00102.13 ATOM 77 O SER H 268 -45.515 -31.107 20.394 1.00104.82 ATOM 78 CB SER H 268 -43.580 -33.442 21.800 1.00 96.69 ATOM 79 OG SER H 268 -44.888 -33.573 22.325 1.00 97.72 ATOM 80 N GLY H 269 -43.859 -30.347 21.706 1.00103.87 ATOM 81 CA GLY H 269 -44.593 -29.163 22.103 1.00106.17 ATOM 82 C GLY H 269 -44.617 -29.007 23.607 1.00104.06 ATOM 83 O GLY H 269 -45.579 -28.483 24.175 1.00105.46 ATOM 84 N VAL H 270 -43.554 -29.466 24.261 1.00106.43 ATOM 85 CA VAL H 270 -43.424 -29.414 25.710 1.00104.06 ATOM 86 C VAL H 270 -42.244 -28.522 26.064 1.00103.56 ATOM 87 O VAL H 270 -41.196 -28.576 25.411 1.00103.20 ATOM 88 CB VAL H 270 -43.238 -30.825 26.307 1.00100.72 ATOM 89 CG1 VAL H 270 -43.201 -30.763 27.825 1.00 98.48 ATOM 90 CG2 VAL H 270 -44.342 -31.755 25.826 1.00101.73 ATOM 91 N CYS H 271 -42.414 -27.701 27.096 1.00 97.76 ATOM 92 CA CYS H 271 -41.349 -26.838 27.584 1.00 97.42 ATOM 93 C CYS H 271 -40.786 -27.413 28.877 1.00 93.59 ATOM 94 O CYS H 271 -41.533 -27.683 29.823 1.00 92.48 ATOM 95 CB CYS H 271 -41.850 -25.409 27.805 1.00100.50 ATOM 96 SG CYS H 271 -42.239 -24.516 26.276 1.00105.14 ATOM 97 N ILE H 272 -39.474 -27.598 28.910 1.00 99.18 ATOM 98 CA ILE H 272 -38.792 -28.183 30.061 1.00 96.04 ATOM 99 C ILE H 272 -37.863 -27.123 30.633 1.00 96.35 ATOM 100 O ILE H 272 -37.528 -26.138 29.952 1.00 98.65 ATOM 101 CB ILE H 272 -38.033 -29.476 29.682 1.00 94.04 ATOM 102 CG1 ILE H 272 -36.887 -29.161 28.719 1.00 94.79 ATOM 103 CG2 ILE H 272 -38.986 -30.496 29.077 1.00 94.17 ATOM 104 CD1 ILE H 272 -36.018 -30.356 28.391 1.00 93.13 ATOM 105 N PRO H 273 -37.437 -27.278 31.887 1.00100.70 ATOM 106 CA PRO H 273 -36.495 -26.315 32.473 1.00101.27 ATOM 107 C PRO H 273 -35.158 -26.312 31.746 1.00101.60 ATOM 108 O PRO H 273 -34.845 -27.183 30.931 1.00100.84 ATOM 109 CB PRO H 273 -36.345 -26.797 33.920 1.00 99.15 ATOM 110 CG PRO H 273 -37.594 -27.559 34.192 1.00 98.09 ATOM 111 CD PRO H 273 -37.950 -28.222 32.896 1.00 98.52 ATOM 112 N SER H 274 -34.350 -25.300 32.067 1.00101.62 ATOM 113 CA SER H 274 -33.072 -25.125 31.385 1.00102.47 ATOM 114 C SER H 274 -32.050 -26.157 31.844 1.00100.51 ATOM 115 O SER H 274 -31.279 -26.677 31.029 1.00100.38 ATOM 116 CB SER H 274 -32.545 -23.710 31.611 1.00105.10 ATOM 117 OG SER H 274 -33.305 -22.763 30.881 1.00107.69 ATOM 118 N GLN H 275 -32.022 -26.463 33.141 1.00105.31 ATOM 119 CA GLN H 275 -31.076 -27.449 33.650 1.00104.11 ATOM 120 C GLN H 275 -31.425 -28.871 33.231 1.00102.36 ATOM 121 O GLN H 275 -30.679 -29.797 33.571 1.00101.76 ATOM 122 CB GLN H 275 -30.995 -27.367 35.177 1.00103.85 ATOM 123 CG GLN H 275 -32.338 -27.218 35.876 1.00103.01 ATOM 124 CD GLN H 275 -32.712 -25.772 36.135 1.00104.72 ATOM 125 OE1 GLN H 275 -32.537 -24.909 35.276 1.00106.56 ATOM 126 NE2 GLN H 275 -33.231 -25.500 37.328 1.00104.44 ATOM 127 N TYR H 276 -32.530 -29.068 32.510 1.00100.28 ATOM 128 CA TYR H 276 -32.887 -30.379 31.987 1.00 99.12 ATOM 129 C TYR H 276 -32.103 -30.754 30.736 1.00 99.58 ATOM 130 O TYR H 276 -32.198 -31.902 30.288 1.00 98.85 ATOM 131 CB TYR H 276 -34.390 -30.432 31.698 1.00 99.07 ATOM 132 CG TYR H 276 -35.230 -30.814 32.899 1.00 97.99 ATOM 133 CD1 TYR H 276 -35.063 -30.173 34.119 1.00 97.86 ATOM 134 CD2 TYR H 276 -36.194 -31.811 32.811 1.00 97.39 ATOM 135 CE1 TYR H 276 -35.825 -30.516 35.221 1.00 96.98 ATOM 136 CE2 TYR H 276 -36.964 -32.160 33.908 1.00 96.65 ATOM 137 CZ TYR H 276 -36.774 -31.509 35.110 1.00 96.37 ATOM 138 OH TYR H 276 -37.534 -31.849 36.207 1.00 95.75 ATOM 139 N GLN H 277 -31.339 -29.824 30.165 1.00 97.02 ATOM 140 CA GLN H 277 -30.460 -30.123 29.043 1.00 97.54 ATOM 141 C GLN H 277 -29.106 -30.596 29.547 1.00 97.33 ATOM 142 O GLN H 277 -28.537 -30.014 30.476 1.00 97.88 ATOM 143 CB GLN H 277 -30.269 -28.899 28.147 1.00 99.56 ATOM 144 CG GLN H 277 -31.465 -28.551 27.288 1.00100.56 ATOM 145 CD GLN H 277 -31.086 -27.670 26.115 1.00102.78 ATOM 146 OE1 GLN H 277 -30.212 -26.810 26.227 1.00103.90 ATOM 147 NE2 GLN H 277 -31.736 -27.887 24.980 1.00103.71 ATOM 148 N CYS H 278 -28.591 -31.654 28.920 1.00102.98 ATOM 149 CA CYS H 278 -27.291 -32.225 29.268 1.00103.21 ATOM 150 C CYS H 278 -27.239 -32.610 30.746 1.00102.85 ATOM 151 O CYS H 278 -26.302 -32.270 31.472 1.00103.84 ATOM 152 CB CYS H 278 -26.158 -31.261 28.907 1.00104.74 ATOM 153 SG CYS H 278 -26.187 -30.704 27.186 1.00105.64 ATOM 154 N ASN H 279 -28.268 -33.328 31.191 1.00100.65 ATOM 155 CA ASN H 279 -28.382 -33.759 32.577 1.00100.47 ATOM 156 C ASN H 279 -28.273 -35.268 32.739 1.00100.45 ATOM 157 O ASN H 279 -28.328 -35.761 33.871 1.00100.78 ATOM 158 CB ASN H 279 -29.707 -33.269 33.174 1.00 99.65 ATOM 159 CG ASN H 279 -30.916 -33.925 32.530 1.00 98.75 ATOM 160 OD1 ASN H 279 -30.859 -34.371 31.384 1.00 98.82 ATOM 161 ND2 ASN H 279 -32.018 -33.987 33.269 1.00 98.13 ATOM 162 N GLY H 280 -28.121 -36.012 31.647 1.00100.67 ATOM 163 CA GLY H 280 -28.021 -37.454 31.735 1.00101.10 ATOM 164 C GLY H 280 -29.352 -38.163 31.794 1.00100.46 ATOM 165 O GLY H 280 -29.456 -39.222 32.420 1.00101.20 ATOM 166 N GLU H 281 -30.379 -37.609 31.152 1.00100.07 ATOM 167 CA GLU H 281 -31.704 -38.214 31.165 1.00 99.74 ATOM 168 C GLU H 281 -32.506 -37.657 30.001 1.00 99.42 ATOM 169 O GLU H 281 -32.580 -36.437 29.828 1.00 99.25 ATOM 170 CB GLU H 281 -32.427 -37.933 32.484 1.00 99.40 ATOM 171 CG GLU H 281 -33.668 -38.776 32.693 1.00 99.54 ATOM 172 CD GLU H 281 -34.572 -38.207 33.761 1.00 99.07 ATOM 173 OE1 GLU H 281 -35.782 -38.516 33.743 1.00 99.12 ATOM 174 OE2 GLU H 281 -34.077 -37.441 34.613 1.00 98.84 ATOM 175 N VAL H 282 -33.104 -38.547 29.213 1.00 97.40 ATOM 176 CA VAL H 282 -33.933 -38.121 28.091 1.00 97.65 ATOM 177 C VAL H 282 -35.234 -37.545 28.636 1.00 97.52 ATOM 178 O VAL H 282 -36.029 -38.256 29.262 1.00 97.58 ATOM 179 CB VAL H 282 -34.199 -39.288 27.132 1.00 98.43 ATOM 180 CG1 VAL H 282 -34.925 -38.797 25.889 1.00 99.17 ATOM 181 CG2 VAL H 282 -32.896 -39.978 26.761 1.00 98.70 ATOM 182 N ASP H 283 -35.459 -36.254 28.397 1.00 95.71 ATOM 183 CA ASP H 283 -36.649 -35.567 28.888 1.00 95.91 ATOM 184 C ASP H 283 -37.730 -35.440 27.821 1.00 97.34 ATOM 185 O ASP H 283 -38.871 -35.854 28.046 1.00 97.80 ATOM 186 CB ASP H 283 -36.276 -34.184 29.432 1.00 95.83 ATOM 187 CG ASP H 283 -35.362 -34.263 30.639 1.00 94.78 ATOM 188 OD1 ASP H 283 -35.607 -35.113 31.522 1.00 94.17 ATOM 189 OD2 ASP H 283 -34.391 -33.482 30.701 1.00 94.98 ATOM 190 N CYS H 284 -37.399 -34.866 26.665 1.00 97.35 ATOM 191 CA CYS H 284 -38.349 -34.838 25.562 1.00 99.22 ATOM 192 C CYS H 284 -38.629 -36.259 25.089 1.00 99.27 ATOM 193 O CYS H 284 -37.782 -37.149 25.194 1.00 98.22 ATOM 194 CB CYS H 284 -37.804 -34.011 24.393 1.00100.66 ATOM 195 SG CYS H 284 -37.454 -32.260 24.714 1.00101.60 ATOM 196 N ILE H 285 -39.836 -36.475 24.562 1.00 89.08 ATOM 197 CA ILE H 285 -40.121 -37.773 23.961 1.00 90.45 ATOM 198 C ILE H 285 -39.312 -37.949 22.686 1.00 92.36 ATOM 199 O ILE H 285 -38.981 -39.076 22.300 1.00 93.48 ATOM 200 CB ILE H 285 -41.628 -37.950 23.705 1.00 91.21 ATOM 201 CG1 ILE H 285 -42.211 -36.725 23.002 1.00 92.00 ATOM 202 CG2 ILE H 285 -42.359 -38.230 25.007 1.00 89.66 ATOM 203 CD1 ILE H 285 -43.680 -36.871 22.683 1.00 93.12 ATOM 204 N THR H 286 -38.986 -36.848 22.008 1.00 91.62 ATOM 205 CA THR H 286 -38.091 -36.926 20.861 1.00 93.51 ATOM 206 C THR H 286 -36.651 -37.148 21.307 1.00 92.95 ATOM 207 O THR H 286 -35.929 -37.959 20.715 1.00 94.36 ATOM 208 CB THR H 286 -38.209 -35.657 20.023 1.00 94.62 ATOM 209 OG1 THR H 286 -37.514 -34.587 20.675 1.00 93.34 ATOM 210 CG2 THR H 286 -39.670 -35.280 19.869 1.00 94.94 ATOM 211 N GLY H 287 -36.218 -36.442 22.344 1.00 97.68 ATOM 212 CA GLY H 287 -34.889 -36.613 22.888 1.00 96.21 ATOM 213 C GLY H 287 -33.849 -35.633 22.397 1.00 96.60 ATOM 214 O GLY H 287 -32.653 -35.928 22.503 1.00 95.89 ATOM 215 N GLU H 288 -34.260 -34.481 21.873 1.00 93.48 ATOM 216 CA GLU H 288 -33.322 -33.498 21.347 1.00 94.63 ATOM 217 C GLU H 288 -32.673 -32.657 22.436 1.00 93.26 ATOM 218 O GLU H 288 -31.836 -31.805 22.122 1.00 94.28 ATOM 219 CB GLU H 288 -34.029 -32.590 20.340 1.00 96.06 ATOM 220 CG GLU H 288 -35.135 -31.744 20.936 1.00 94.82 ATOM 221 CD GLU H 288 -36.217 -31.432 19.926 1.00 96.46 ATOM 222 OE1 GLU H 288 -36.941 -32.368 19.526 1.00 96.85 ATOM 223 OE2 GLU H 288 -36.340 -30.255 19.530 1.00 98.73 ATOM 224 N ASP H 289 -33.041 -32.863 23.699 1.00 97.54 ATOM 225 CA ASP H 289 -32.459 -32.088 24.784 1.00 97.03 ATOM 226 C ASP H 289 -31.098 -32.616 25.215 1.00 96.04 ATOM 227 O ASP H 289 -30.353 -31.894 25.886 1.00 96.19 ATOM 228 CB ASP H 289 -33.405 -32.078 25.987 1.00 96.19 ATOM 229 CG ASP H 289 -33.762 -33.475 26.458 1.00 94.77 ATOM 230 OD1 ASP H 289 -34.031 -34.345 25.602 1.00 95.02 ATOM 231 OD2 ASP H 289 -33.758 -33.709 27.683 1.00 93.70 ATOM 232 N GLU H 290 -30.755 -33.848 24.842 1.00 99.36 ATOM 233 CA GLU H 290 -29.533 -34.496 25.300 1.00 98.88 ATOM 234 C GLU H 290 -28.582 -34.791 24.144 1.00100.05 ATOM 235 O GLU H 290 -27.762 -35.707 24.227 1.00100.20 ATOM 236 CB GLU H 290 -29.860 -35.782 26.058 1.00 97.98 ATOM 237 CG GLU H 290 -30.702 -35.580 27.308 1.00 97.19 ATOM 238 CD GLU H 290 -29.960 -34.842 28.407 1.00 97.15 ATOM 239 OE1 GLU H 290 -30.326 -33.684 28.700 1.00 97.37 ATOM 240 OE2 GLU H 290 -29.010 -35.420 28.976 1.00 97.24 ATOM 241 N VAL H 291 -28.682 -34.027 23.059 1.00100.50 ATOM 242 CA VAL H 291 -27.811 -34.198 21.903 1.00101.79 ATOM 243 C VAL H 291 -26.806 -33.055 21.872 1.00102.79 ATOM 244 O VAL H 291 -27.111 -31.918 22.251 1.00103.00 ATOM 245 CB VAL H 291 -28.600 -34.269 20.578 1.00103.11 ATOM 246 CG1 VAL H 291 -29.423 -35.548 20.518 1.00102.73 ATOM 247 CG2 VAL H 291 -29.484 -33.045 20.412 1.00103.42 ATOM 248 N GLY H 292 -25.596 -33.366 21.412 1.00106.48 ATOM 249 CA GLY H 292 -24.532 -32.382 21.361 1.00107.73 ATOM 250 C GLY H 292 -24.181 -31.838 22.729 1.00107.20 ATOM 251 O GLY H 292 -24.028 -30.625 22.904 1.00108.36 ATOM 252 N CYS H 293 -24.053 -32.729 23.709 1.00114.37 ATOM 253 CA CYS H 293 -23.809 -32.345 25.097 1.00114.35 ATOM 254 C CYS H 293 -22.346 -32.603 25.435 1.00115.18 ATOM 255 O CYS H 293 -21.939 -33.744 25.669 1.00114.86 ATOM 256 CB CYS H 293 -24.742 -33.098 26.039 1.00112.97 ATOM 257 SG CYS H 293 -26.413 -32.418 26.120 1.00112.41 ATOM 258 CA CA H 401 -32.448 -34.186 29.666 1.00 93.41 TER