HEADER IMMUNE SYSTEM 31-DEC-69 2XRC TITLE Human complement factor I COMPND MOL_ID: 1; COMPND 2 MOLECULE: HUMAN COMPLEMENT FACTOR I; COMPND 3 CHAIN: A, B, C, D; COMPND 4 EC: 3.4.21.45; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.69 ANGSTORMS DBREF 2XRC B 1 565 UNP P05156 CFAI_HUMAN 19 583 MODRES 2XRC ASN B 52 ASN GLYCOSYLATION SITE MODRES 2XRC ASN B 85 ASN GLYCOSYLATION SITE MODRES 2XRC ASN B 159 ASN GLYCOSYLATION SITE MODRES 2XRC ASN B 446 ASN GLYCOSYLATION SITE MODRES 2XRC ASN B 476 ASN GLYCOSYLATION SITE MODRES 2XRC ASN B 518 ASN GLYCOSYLATION SITE SEQRES 1 B 32 PHE PHE GLN CYS VAL ASN GLY LYS TYR ILE SER GLN MET SEQRES 2 B 32 LYS ALA CYS ASP GLY ILE ASN ASP CYS GLY ASP GLN SER SEQRES 3 B 32 ASP GLU LEU CYS CYS LYS ATOM 1 N PHE B 208 66.631 63.562 3.904 1.00 63.31 ATOM 2 CA PHE B 208 65.438 62.849 4.349 1.00 65.39 ATOM 3 C PHE B 208 64.295 63.821 4.633 1.00 64.13 ATOM 4 O PHE B 208 64.477 64.799 5.359 1.00 64.64 ATOM 5 CB PHE B 208 65.736 62.046 5.618 1.00 67.77 ATOM 6 CG PHE B 208 66.803 60.996 5.447 1.00 69.50 ATOM 7 CD1 PHE B 208 68.126 61.270 5.777 1.00 68.60 ATOM 8 CD2 PHE B 208 66.479 59.725 4.975 1.00 68.59 ATOM 9 CE1 PHE B 208 69.113 60.298 5.631 1.00 68.86 ATOM 10 CE2 PHE B 208 67.459 58.748 4.825 1.00 67.34 ATOM 11 CZ PHE B 208 68.778 59.035 5.153 1.00 68.32 ATOM 12 N PHE B 209 63.122 63.543 4.066 1.00 63.99 ATOM 13 CA PHE B 209 61.932 64.363 4.302 1.00 63.44 ATOM 14 C PHE B 209 61.368 64.101 5.696 1.00 63.12 ATOM 15 O PHE B 209 60.833 63.022 5.965 1.00 62.34 ATOM 16 CB PHE B 209 60.853 64.078 3.254 1.00 64.12 ATOM 17 CG PHE B 209 59.658 64.987 3.352 1.00 64.44 ATOM 18 CD1 PHE B 209 59.607 66.167 2.624 1.00 65.77 ATOM 19 CD2 PHE B 209 58.584 64.663 4.173 1.00 65.54 ATOM 20 CE1 PHE B 209 58.508 67.010 2.710 1.00 66.30 ATOM 21 CE2 PHE B 209 57.482 65.501 4.266 1.00 65.63 ATOM 22 CZ PHE B 209 57.445 66.676 3.533 1.00 66.03 ATOM 23 N GLN B 210 61.486 65.096 6.571 1.00 61.12 ATOM 24 CA GLN B 210 60.975 64.991 7.933 1.00 60.94 ATOM 25 C GLN B 210 59.500 65.378 7.981 1.00 59.72 ATOM 26 O GLN B 210 59.102 66.400 7.419 1.00 63.34 ATOM 27 CB GLN B 210 61.769 65.892 8.879 1.00 60.78 ATOM 28 CG GLN B 210 61.572 65.552 10.352 1.00 60.71 ATOM 29 CD GLN B 210 62.332 66.473 11.290 1.00 62.81 ATOM 30 OE1 GLN B 210 62.818 66.041 12.335 1.00 64.03 ATOM 31 NE2 GLN B 210 62.435 67.749 10.925 1.00 62.60 ATOM 32 N CYS B 211 58.696 64.559 8.651 1.00 55.24 ATOM 33 CA CYS B 211 57.288 64.878 8.880 1.00 51.93 ATOM 34 C CYS B 211 57.174 65.807 10.082 1.00 50.44 ATOM 35 O CYS B 211 58.116 65.950 10.862 1.00 50.32 ATOM 36 CB CYS B 211 56.468 63.607 9.116 1.00 50.11 ATOM 37 SG CYS B 211 56.444 62.461 7.709 1.00 45.24 ATOM 38 N VAL B 212 56.011 66.429 10.232 1.00 48.67 ATOM 39 CA VAL B 212 55.785 67.396 11.311 1.00 47.91 ATOM 40 C VAL B 212 55.777 66.726 12.692 1.00 46.90 ATOM 41 O VAL B 212 56.067 67.373 13.696 1.00 45.73 ATOM 42 CB VAL B 212 54.479 68.195 11.089 1.00 46.89 ATOM 43 CG1 VAL B 212 54.269 69.209 12.204 1.00 46.73 ATOM 44 CG2 VAL B 212 54.510 68.897 9.737 1.00 45.97 ATOM 45 N ASN B 213 55.460 65.431 12.732 1.00 48.38 ATOM 46 CA ASN B 213 55.503 64.651 13.981 1.00 50.56 ATOM 47 C ASN B 213 56.903 64.137 14.354 1.00 53.02 ATOM 48 O ASN B 213 57.086 63.542 15.420 1.00 53.68 ATOM 49 CB ASN B 213 54.500 63.484 13.939 1.00 50.62 ATOM 50 CG ASN B 213 54.743 62.519 12.778 1.00 50.77 ATOM 51 OD1 ASN B 213 55.883 62.251 12.399 1.00 51.31 ATOM 52 ND2 ASN B 213 53.659 61.984 12.220 1.00 48.80 ATOM 53 N GLY B 214 57.875 64.362 13.473 1.00 54.88 ATOM 54 CA GLY B 214 59.268 63.972 13.712 1.00 56.68 ATOM 55 C GLY B 214 59.657 62.646 13.084 1.00 58.94 ATOM 56 O GLY B 214 60.541 61.954 13.591 1.00 63.62 ATOM 57 N LYS B 215 59.003 62.297 11.976 1.00 59.42 ATOM 58 CA LYS B 215 59.263 61.042 11.268 1.00 57.54 ATOM 59 C LYS B 215 60.039 61.326 9.984 1.00 58.81 ATOM 60 O LYS B 215 59.621 62.154 9.174 1.00 56.10 ATOM 61 CB LYS B 215 57.943 60.332 10.947 1.00 56.77 ATOM 62 CG LYS B 215 58.105 58.955 10.303 1.00 56.08 ATOM 63 CD LYS B 215 56.835 58.120 10.403 1.00 54.92 ATOM 64 CE LYS B 215 55.704 58.708 9.577 1.00 53.86 ATOM 65 NZ LYS B 215 54.525 57.797 9.500 1.00 53.66 ATOM 66 N TYR B 216 61.167 60.639 9.807 1.00 61.06 ATOM 67 CA TYR B 216 62.028 60.830 8.635 1.00 62.68 ATOM 68 C TYR B 216 61.713 59.817 7.528 1.00 62.53 ATOM 69 O TYR B 216 62.415 58.815 7.371 1.00 61.89 ATOM 70 CB TYR B 216 63.508 60.727 9.032 1.00 63.58 ATOM 71 CG TYR B 216 64.058 61.953 9.734 1.00 65.17 ATOM 72 CD1 TYR B 216 64.364 63.109 9.020 1.00 65.76 ATOM 73 CD2 TYR B 216 64.295 61.949 11.108 1.00 66.15 ATOM 74 CE1 TYR B 216 64.879 64.234 9.656 1.00 66.23 ATOM 75 CE2 TYR B 216 64.810 63.070 11.754 1.00 65.47 ATOM 76 CZ TYR B 216 65.099 64.209 11.023 1.00 66.86 ATOM 77 OH TYR B 216 65.607 65.323 11.655 1.00 65.82 ATOM 78 N ILE B 217 60.661 60.090 6.760 1.00 62.06 ATOM 79 CA ILE B 217 60.302 59.244 5.618 1.00 62.20 ATOM 80 C ILE B 217 61.214 59.553 4.433 1.00 66.77 ATOM 81 O ILE B 217 62.003 60.503 4.472 1.00 72.43 ATOM 82 CB ILE B 217 58.814 59.416 5.186 1.00 60.00 ATOM 83 CG1 ILE B 217 58.562 60.791 4.557 1.00 58.25 ATOM 84 CG2 ILE B 217 57.882 59.200 6.371 1.00 60.93 ATOM 85 CD1 ILE B 217 57.191 60.928 3.940 1.00 56.07 ATOM 86 N SER B 218 61.096 58.750 3.381 1.00 65.86 ATOM 87 CA SER B 218 61.849 58.975 2.151 1.00 65.63 ATOM 88 C SER B 218 61.306 60.201 1.423 1.00 66.62 ATOM 89 O SER B 218 60.094 60.420 1.385 1.00 68.72 ATOM 90 CB SER B 218 61.771 57.747 1.237 1.00 65.28 ATOM 91 OG SER B 218 62.467 57.962 0.020 1.00 64.27 ATOM 92 N GLN B 219 62.211 60.991 0.847 1.00 65.87 ATOM 93 CA GLN B 219 61.841 62.174 0.061 1.00 63.49 ATOM 94 C GLN B 219 61.025 61.783 -1.180 1.00 62.07 ATOM 95 O GLN B 219 60.235 62.582 -1.683 1.00 62.35 ATOM 96 CB GLN B 219 63.098 62.956 -0.350 1.00 63.38 ATOM 97 CG GLN B 219 62.853 64.409 -0.795 1.00 63.33 ATOM 98 CD GLN B 219 62.815 65.412 0.356 1.00 63.52 ATOM 99 OE1 GLN B 219 63.406 65.193 1.417 1.00 63.12 ATOM 100 NE2 GLN B 219 62.129 66.530 0.138 1.00 60.15 ATOM 101 N MET B 220 61.217 60.553 -1.657 1.00 62.29 ATOM 102 CA MET B 220 60.487 60.026 -2.818 1.00 62.47 ATOM 103 C MET B 220 58.993 59.824 -2.543 1.00 59.64 ATOM 104 O MET B 220 58.182 59.849 -3.467 1.00 57.52 ATOM 105 CB MET B 220 61.097 58.695 -3.278 1.00 64.70 ATOM 106 CG MET B 220 62.574 58.764 -3.674 1.00 66.04 ATOM 107 SD MET B 220 62.906 59.841 -5.084 1.00 67.81 ATOM 108 CE MET B 220 64.691 59.986 -4.983 1.00 67.21 ATOM 109 N LYS B 221 58.637 59.620 -1.276 1.00 59.08 ATOM 110 CA LYS B 221 57.237 59.424 -0.880 1.00 55.75 ATOM 111 C LYS B 221 56.411 60.718 -0.906 1.00 56.45 ATOM 112 O LYS B 221 55.183 60.665 -0.995 1.00 54.52 ATOM 113 CB LYS B 221 57.165 58.797 0.515 1.00 51.95 ATOM 114 CG LYS B 221 57.794 57.410 0.614 1.00 49.69 ATOM 115 CD LYS B 221 56.898 56.327 0.030 1.00 47.69 ATOM 116 CE LYS B 221 57.594 54.972 0.054 1.00 47.27 ATOM 117 NZ LYS B 221 56.788 53.872 -0.553 1.00 43.80 ATOM 118 N ALA B 222 57.084 61.868 -0.835 1.00 55.47 ATOM 119 CA ALA B 222 56.413 63.172 -0.738 1.00 56.14 ATOM 120 C ALA B 222 55.596 63.529 -1.982 1.00 58.43 ATOM 121 O ALA B 222 55.957 63.163 -3.101 1.00 62.18 ATOM 122 CB ALA B 222 57.432 64.267 -0.462 1.00 54.94 ATOM 123 N CYS B 223 54.495 64.246 -1.763 1.00 58.72 ATOM 124 CA CYS B 223 53.614 64.735 -2.837 1.00 58.32 ATOM 125 C CYS B 223 53.017 63.637 -3.734 1.00 56.37 ATOM 126 O CYS B 223 52.703 63.890 -4.897 1.00 55.43 ATOM 127 CB CYS B 223 54.344 65.779 -3.697 1.00 59.98 ATOM 128 SG CYS B 223 54.903 67.240 -2.790 1.00 63.44 ATOM 129 N ASP B 224 52.834 62.434 -3.192 1.00 55.72 ATOM 130 CA ASP B 224 52.245 61.326 -3.961 1.00 56.49 ATOM 131 C ASP B 224 50.744 61.129 -3.699 1.00 54.90 ATOM 132 O ASP B 224 50.148 60.172 -4.190 1.00 55.85 ATOM 133 CB ASP B 224 53.004 60.021 -3.692 1.00 59.20 ATOM 134 CG ASP B 224 52.743 59.458 -2.305 1.00 61.71 ATOM 135 OD1 ASP B 224 52.279 60.209 -1.417 1.00 60.32 ATOM 136 OD2 ASP B 224 53.020 58.258 -2.097 1.00 66.48 ATOM 137 N GLY B 225 50.142 62.030 -2.929 1.00 54.41 ATOM 138 CA GLY B 225 48.714 61.953 -2.606 1.00 55.15 ATOM 139 C GLY B 225 48.372 60.870 -1.593 1.00 54.93 ATOM 140 O GLY B 225 47.245 60.366 -1.566 1.00 52.55 ATOM 141 N ILE B 226 49.351 60.520 -0.760 1.00 51.69 ATOM 142 CA ILE B 226 49.191 59.501 0.273 1.00 46.10 ATOM 143 C ILE B 226 49.725 60.057 1.589 1.00 44.94 ATOM 144 O ILE B 226 50.853 60.546 1.652 1.00 44.43 ATOM 145 CB ILE B 226 49.969 58.207 -0.062 1.00 44.18 ATOM 146 CG1 ILE B 226 49.716 57.765 -1.508 1.00 43.07 ATOM 147 CG2 ILE B 226 49.595 57.095 0.912 1.00 43.81 ATOM 148 CD1 ILE B 226 50.491 56.511 -1.910 1.00 41.25 ATOM 149 N ASN B 227 48.914 59.969 2.636 1.00 44.72 ATOM 150 CA ASN B 227 49.308 60.407 3.971 1.00 44.60 ATOM 151 C ASN B 227 50.304 59.421 4.595 1.00 44.57 ATOM 152 O ASN B 227 49.930 58.589 5.423 1.00 45.25 ATOM 153 CB ASN B 227 48.055 60.558 4.849 1.00 45.76 ATOM 154 CG ASN B 227 48.339 61.216 6.194 1.00 46.86 ATOM 155 OD1 ASN B 227 49.488 61.476 6.554 1.00 45.13 ATOM 156 ND2 ASN B 227 47.275 61.488 6.946 1.00 49.60 ATOM 157 N ASP B 228 51.570 59.522 4.193 1.00 45.52 ATOM 158 CA ASP B 228 52.630 58.658 4.735 1.00 45.85 ATOM 159 C ASP B 228 52.987 59.026 6.173 1.00 45.84 ATOM 160 O ASP B 228 53.304 58.153 6.984 1.00 45.80 ATOM 161 CB ASP B 228 53.902 58.728 3.880 1.00 46.86 ATOM 162 CG ASP B 228 53.738 58.071 2.526 1.00 46.97 ATOM 163 OD1 ASP B 228 54.098 56.881 2.392 1.00 48.17 ATOM 164 OD2 ASP B 228 53.243 58.744 1.597 1.00 46.43 ATOM 165 N CYS B 229 52.949 60.321 6.473 1.00 46.29 ATOM 166 CA CYS B 229 53.307 60.829 7.800 1.00 45.93 ATOM 167 C CYS B 229 52.295 60.422 8.871 1.00 46.22 ATOM 168 O CYS B 229 52.671 59.924 9.934 1.00 45.48 ATOM 169 CB CYS B 229 53.427 62.353 7.769 1.00 46.50 ATOM 170 SG CYS B 229 54.755 62.962 6.710 1.00 48.99 ATOM 171 N GLY B 230 51.015 60.632 8.571 1.00 45.51 ATOM 172 CA GLY B 230 49.929 60.393 9.522 1.00 44.82 ATOM 173 C GLY B 230 49.152 61.659 9.838 1.00 46.12 ATOM 174 O GLY B 230 48.068 61.597 10.422 1.00 48.35 ATOM 175 N ASP B 231 49.709 62.807 9.455 1.00 44.86 ATOM 176 CA ASP B 231 49.094 64.111 9.726 1.00 45.11 ATOM 177 C ASP B 231 49.148 65.065 8.521 1.00 44.74 ATOM 178 O ASP B 231 49.040 66.279 8.681 1.00 42.82 ATOM 179 CB ASP B 231 49.756 64.755 10.954 1.00 46.52 ATOM 180 CG ASP B 231 51.277 64.794 10.855 1.00 48.15 ATOM 181 OD1 ASP B 231 51.810 64.931 9.732 1.00 47.51 ATOM 182 OD2 ASP B 231 51.942 64.684 11.908 1.00 49.41 ATOM 183 N GLN B 232 49.309 64.499 7.325 1.00 44.64 ATOM 184 CA GLN B 232 49.345 65.253 6.066 1.00 45.15 ATOM 185 C GLN B 232 50.516 66.237 5.936 1.00 47.46 ATOM 186 O GLN B 232 50.405 67.231 5.220 1.00 49.06 ATOM 187 CB GLN B 232 48.025 66.001 5.839 1.00 44.80 ATOM 188 CG GLN B 232 46.776 65.147 5.971 1.00 45.16 ATOM 189 CD GLN B 232 45.532 65.862 5.465 1.00 44.90 ATOM 190 OE1 GLN B 232 44.590 66.115 6.222 1.00 42.04 ATOM 191 NE2 GLN B 232 45.528 66.199 4.178 1.00 43.74 ATOM 192 N SER B 233 51.635 65.969 6.606 1.00 49.39 ATOM 193 CA SER B 233 52.820 66.830 6.473 1.00 50.62 ATOM 194 C SER B 233 53.387 66.755 5.056 1.00 51.35 ATOM 195 O SER B 233 53.749 67.769 4.459 1.00 53.11 ATOM 196 CB SER B 233 53.919 66.422 7.456 1.00 50.54 ATOM 197 OG SER B 233 53.415 66.227 8.762 1.00 52.17 ATOM 198 N ASP B 234 53.446 65.538 4.527 1.00 50.99 ATOM 199 CA ASP B 234 54.103 65.270 3.244 1.00 51.14 ATOM 200 C ASP B 234 53.264 65.594 2.000 1.00 48.66 ATOM 201 O ASP B 234 53.739 65.414 0.878 1.00 50.56 ATOM 202 CB ASP B 234 54.579 63.810 3.190 1.00 52.87 ATOM 203 CG ASP B 234 53.466 62.811 3.463 1.00 54.31 ATOM 204 OD1 ASP B 234 53.515 61.698 2.899 1.00 57.35 ATOM 205 OD2 ASP B 234 52.544 63.135 4.240 1.00 54.73 ATOM 206 N GLU B 235 52.039 66.077 2.188 1.00 45.87 ATOM 207 CA GLU B 235 51.133 66.323 1.061 1.00 44.74 ATOM 208 C GLU B 235 50.555 67.734 1.002 1.00 44.45 ATOM 209 O GLU B 235 49.761 68.029 0.109 1.00 45.23 ATOM 210 CB GLU B 235 49.977 65.320 1.096 1.00 45.55 ATOM 211 CG GLU B 235 50.406 63.862 1.188 1.00 46.15 ATOM 212 CD GLU B 235 51.301 63.437 0.040 1.00 46.58 ATOM 213 OE1 GLU B 235 51.025 63.822 -1.118 1.00 46.64 ATOM 214 OE2 GLU B 235 52.280 62.707 0.298 1.00 45.19 ATOM 215 N LEU B 236 50.952 68.603 1.930 1.00 46.12 ATOM 216 CA LEU B 236 50.386 69.956 2.026 1.00 47.65 ATOM 217 C LEU B 236 51.386 71.048 1.626 1.00 51.28 ATOM 218 O LEU B 236 51.303 72.179 2.102 1.00 52.18 ATOM 219 CB LEU B 236 49.859 70.209 3.447 1.00 45.76 ATOM 220 CG LEU B 236 48.626 69.402 3.865 1.00 44.15 ATOM 221 CD1 LEU B 236 48.331 69.632 5.334 1.00 43.79 ATOM 222 CD2 LEU B 236 47.414 69.758 3.015 1.00 43.22 ATOM 223 N CYS B 237 52.316 70.708 0.738 1.00 57.83 ATOM 224 CA CYS B 237 53.313 71.663 0.244 1.00 62.21 ATOM 225 C CYS B 237 53.925 71.157 -1.060 1.00 61.84 ATOM 226 O CYS B 237 55.061 70.678 -1.088 1.00 62.81 ATOM 227 CB CYS B 237 54.395 71.912 1.302 1.00 65.52 ATOM 228 SG CYS B 237 54.084 73.349 2.351 1.00 72.67 ATOM 229 N CYS B 238 53.153 71.267 -2.138 1.00 62.43 ATOM 230 CA CYS B 238 53.534 70.707 -3.433 1.00 61.57 ATOM 231 C CYS B 238 53.111 71.608 -4.588 1.00 59.56 ATOM 232 O CYS B 238 51.938 71.961 -4.706 1.00 54.65 ATOM 233 CB CYS B 238 52.887 69.332 -3.620 1.00 62.38 ATOM 234 SG CYS B 238 53.173 68.171 -2.269 1.00 64.00 ATOM 235 N LYS B 239 54.073 71.971 -5.435 1.00 59.21 ATOM 236 CA LYS B 239 53.792 72.667 -6.694 1.00 57.77 ATOM 237 C LYS B 239 53.366 71.673 -7.774 1.00 58.19 ATOM 238 O LYS B 239 52.763 72.055 -8.778 1.00 57.92 ATOM 239 CB LYS B 239 55.018 73.454 -7.157 1.00 58.34 ATOM 240 CG LYS B 239 55.384 74.610 -6.236 1.00 58.46 ATOM 241 CD LYS B 239 56.727 75.227 -6.597 1.00 58.33 ATOM 242 CE LYS B 239 57.047 76.421 -5.704 1.00 56.51 ATOM 243 NZ LYS B 239 58.452 76.879 -5.865 1.00 54.76 ATOM 244 CA CA B 601 52.979 60.741 0.774 1.00 60.46 TER