HEADER IMMUNE SYSTEM 31-DEC-69 7NYD TITLE cryoEM structure of 2C9-sMAC COMPND MOL_ID: 2; COMPND 2 MOLECULE: Complement component C8 alpha chain; COMPND 3 CHAIN: E; EXPDTA ELECTRON MICROSCOPY DBREF 7NYD E 1 554 UNP P07357 CO8A_HUMAN 31 584 SEQRES 1 E 38 PHE ASN ALA CYS ARG CYS GLY PRO CYS PHE ASN ASN GLY SEQRES 2 E 38 VAL PRO ILE LEU GLU GLY THR SER CYS ARG CYS GLN CYS SEQRES 3 E 38 ARG LEU GLY SER LEU GLY ALA ALA CYS GLU GLN THR ATOM 1 N PHE E 464 191.471 262.380 258.648 1.00 61.83 ATOM 2 CA PHE E 464 191.599 263.064 257.362 1.00 82.24 ATOM 3 C PHE E 464 190.348 262.918 256.481 1.00 72.73 ATOM 4 O PHE E 464 190.386 263.169 255.278 1.00257.51 ATOM 5 CB PHE E 464 192.882 262.565 256.684 1.00102.59 ATOM 6 CG PHE E 464 194.131 262.891 257.478 1.00 84.19 ATOM 7 CD1 PHE E 464 194.780 264.120 257.283 1.00104.61 ATOM 8 CD2 PHE E 464 194.623 261.991 258.437 1.00 88.99 ATOM 9 CE1 PHE E 464 195.916 264.445 258.039 1.00 83.74 ATOM 10 CE2 PHE E 464 195.756 262.314 259.199 1.00365.24 ATOM 11 CZ PHE E 464 196.402 263.545 259.002 1.00423.16 ATOM 12 N ASN E 465 189.233 262.464 257.052 1.00100.54 ATOM 13 CA ASN E 465 188.027 262.098 256.317 1.00144.27 ATOM 14 C ASN E 465 187.181 263.316 255.930 1.00125.00 ATOM 15 O ASN E 465 186.809 264.124 256.780 1.00 64.76 ATOM 16 CB ASN E 465 187.242 261.097 257.172 1.00103.26 ATOM 17 CG ASN E 465 186.192 260.347 256.371 1.00206.27 ATOM 18 OD1 ASN E 465 185.428 260.926 255.613 1.00147.03 ATOM 19 ND2 ASN E 465 186.144 259.042 256.486 1.00440.00 ATOM 20 N ALA E 466 186.808 263.418 254.654 1.00112.50 ATOM 21 CA ALA E 466 186.019 264.522 254.126 1.00126.79 ATOM 22 C ALA E 466 184.679 264.735 254.848 1.00105.55 ATOM 23 O ALA E 466 184.121 265.828 254.793 1.00158.96 ATOM 24 CB ALA E 466 185.813 264.275 252.630 1.00237.90 ATOM 25 N CYS E 467 184.180 263.740 255.580 1.00 55.52 ATOM 26 CA CYS E 467 182.961 263.847 256.372 1.00109.37 ATOM 27 C CYS E 467 183.020 264.939 257.457 1.00320.03 ATOM 28 O CYS E 467 181.980 265.379 257.946 1.00419.44 ATOM 29 CB CYS E 467 182.695 262.482 257.009 1.00205.68 ATOM 30 SG CYS E 467 183.890 262.033 258.294 1.00205.82 ATOM 31 N ARG E 468 184.226 265.381 257.842 1.00144.23 ATOM 32 CA ARG E 468 184.460 266.455 258.820 1.00118.85 ATOM 33 C ARG E 468 184.245 267.863 258.267 1.00112.39 ATOM 34 O ARG E 468 184.158 268.808 259.047 1.00147.51 ATOM 35 CB ARG E 468 185.866 266.263 259.403 1.00 87.76 ATOM 36 CG ARG E 468 185.799 265.216 260.526 1.00219.72 ATOM 37 CD ARG E 468 187.086 264.416 260.716 1.00142.16 ATOM 38 NE ARG E 468 188.315 265.228 260.765 1.00 76.29 ATOM 39 CZ ARG E 468 188.790 265.940 261.762 1.00145.40 ATOM 40 NH1 ARG E 468 188.073 266.353 262.758 1.00 61.28 ATOM 41 NH2 ARG E 468 190.052 266.222 261.760 1.00 49.28 ATOM 42 N CYS E 469 184.132 268.025 256.952 1.00114.37 ATOM 43 CA CYS E 469 183.750 269.293 256.337 1.00 77.82 ATOM 44 C CYS E 469 182.253 269.592 256.476 1.00 63.32 ATOM 45 O CYS E 469 181.470 268.777 256.961 1.00118.71 ATOM 46 CB CYS E 469 184.221 269.302 254.888 1.00101.27 ATOM 47 SG CYS E 469 186.018 269.198 254.760 1.00198.43 ATOM 48 N GLY E 470 181.853 270.805 256.100 1.00139.05 ATOM 49 CA GLY E 470 180.474 271.269 256.265 1.00171.56 ATOM 50 C GLY E 470 179.474 270.537 255.368 1.00 57.29 ATOM 51 O GLY E 470 179.874 269.813 254.459 1.00 52.10 ATOM 52 N PRO E 471 178.165 270.743 255.574 1.00167.45 ATOM 53 CA PRO E 471 177.113 270.008 254.864 1.00378.80 ATOM 54 C PRO E 471 177.135 270.103 253.328 1.00436.32 ATOM 55 O PRO E 471 176.558 269.245 252.659 1.00440.00 ATOM 56 CB PRO E 471 175.803 270.587 255.410 1.00405.10 ATOM 57 CG PRO E 471 176.167 270.998 256.833 1.00295.19 ATOM 58 CD PRO E 471 177.587 271.526 256.659 1.00151.92 ATOM 59 N CYS E 472 177.765 271.140 252.760 1.00 63.33 ATOM 60 CA CYS E 472 177.737 271.466 251.331 1.00223.24 ATOM 61 C CYS E 472 176.301 271.452 250.753 1.00144.98 ATOM 62 O CYS E 472 176.003 270.697 249.823 1.00 59.38 ATOM 63 CB CYS E 472 178.699 270.569 250.532 1.00117.46 ATOM 64 SG CYS E 472 180.370 270.257 251.162 1.00 61.67 ATOM 65 N PHE E 473 175.393 272.246 251.332 1.00 84.27 ATOM 66 CA PHE E 473 173.985 272.325 250.922 1.00234.57 ATOM 67 C PHE E 473 173.820 272.545 249.401 1.00246.64 ATOM 68 O PHE E 473 174.687 273.122 248.742 1.00240.62 ATOM 69 CB PHE E 473 173.281 273.450 251.691 1.00136.55 ATOM 70 CG PHE E 473 173.023 273.204 253.164 1.00180.56 ATOM 71 CD1 PHE E 473 171.813 272.604 253.560 1.00440.00 ATOM 72 CD2 PHE E 473 173.931 273.637 254.144 1.00100.15 ATOM 73 CE1 PHE E 473 171.510 272.451 254.924 1.00440.00 ATOM 74 CE2 PHE E 473 173.636 273.474 255.508 1.00374.37 ATOM 75 CZ PHE E 473 172.424 272.882 255.900 1.00440.00 ATOM 76 N ASN E 474 172.695 272.093 248.835 1.00119.10 ATOM 77 CA ASN E 474 172.486 271.975 247.387 1.00126.45 ATOM 78 C ASN E 474 173.501 271.019 246.691 1.00127.28 ATOM 79 O ASN E 474 174.069 271.334 245.649 1.00 85.74 ATOM 80 CB ASN E 474 172.330 273.379 246.767 1.00 69.61 ATOM 81 CG ASN E 474 171.495 273.368 245.497 1.00436.58 ATOM 82 OD1 ASN E 474 171.889 272.873 244.450 1.00440.00 ATOM 83 ND2 ASN E 474 170.295 273.892 245.533 1.00430.86 ATOM 84 N ASN E 475 173.693 269.818 247.251 1.00 52.98 ATOM 85 CA ASN E 475 174.429 268.683 246.662 1.00 92.94 ATOM 86 C ASN E 475 175.924 268.903 246.348 1.00108.49 ATOM 87 O ASN E 475 176.463 268.274 245.437 1.00 63.59 ATOM 88 CB ASN E 475 173.671 268.093 245.449 1.00238.25 ATOM 89 CG ASN E 475 172.249 267.654 245.732 1.00204.68 ATOM 90 OD1 ASN E 475 171.972 266.923 246.670 1.00 83.23 ATOM 91 ND2 ASN E 475 171.311 268.092 244.920 1.00415.80 ATOM 92 N GLY E 476 176.632 269.764 247.073 1.00 72.02 ATOM 93 CA GLY E 476 178.079 269.915 246.886 1.00 85.18 ATOM 94 C GLY E 476 178.895 268.717 247.385 1.00105.22 ATOM 95 O GLY E 476 178.448 267.955 248.240 1.00105.87 ATOM 96 N VAL E 477 180.117 268.561 246.880 1.00 70.18 ATOM 97 CA VAL E 477 181.039 267.482 247.274 1.00116.33 ATOM 98 C VAL E 477 182.108 268.025 248.226 1.00 82.30 ATOM 99 O VAL E 477 182.925 268.838 247.795 1.00188.32 ATOM 100 CB VAL E 477 181.692 266.873 246.017 1.00202.80 ATOM 101 CG1 VAL E 477 182.861 265.929 246.321 1.00 58.56 ATOM 102 CG2 VAL E 477 180.649 266.089 245.214 1.00251.26 ATOM 103 N PRO E 478 182.168 267.603 249.499 1.00 87.40 ATOM 104 CA PRO E 478 183.287 267.925 250.371 1.00 90.42 ATOM 105 C PRO E 478 184.550 267.144 249.997 1.00 63.93 ATOM 106 O PRO E 478 184.483 265.970 249.649 1.00 43.31 ATOM 107 CB PRO E 478 182.820 267.577 251.780 1.00 80.25 ATOM 108 CG PRO E 478 181.797 266.471 251.561 1.00 85.64 ATOM 109 CD PRO E 478 181.174 266.820 250.212 1.00 87.71 ATOM 110 N ILE E 479 185.712 267.776 250.145 1.00 66.07 ATOM 111 CA ILE E 479 187.049 267.171 250.100 1.00 63.82 ATOM 112 C ILE E 479 187.920 267.842 251.186 1.00 72.28 ATOM 113 O ILE E 479 187.785 269.040 251.424 1.00 72.39 ATOM 114 CB ILE E 479 187.671 267.302 248.685 1.00 69.36 ATOM 115 CG1 ILE E 479 186.716 266.840 247.559 1.00147.91 ATOM 116 CG2 ILE E 479 188.992 266.525 248.590 1.00 32.84 ATOM 117 CD1 ILE E 479 187.253 266.996 246.130 1.00379.39 ATOM 118 N LEU E 480 188.829 267.110 251.833 1.00 53.20 ATOM 119 CA LEU E 480 189.914 267.672 252.646 1.00 55.40 ATOM 120 C LEU E 480 191.236 267.574 251.885 1.00112.81 ATOM 121 O LEU E 480 191.644 266.488 251.486 1.00 71.04 ATOM 122 CB LEU E 480 190.071 266.906 253.971 1.00 35.69 ATOM 123 CG LEU E 480 189.114 267.331 255.083 1.00 70.21 ATOM 124 CD1 LEU E 480 189.244 266.391 256.278 1.00149.66 ATOM 125 CD2 LEU E 480 189.437 268.734 255.601 1.00323.29 ATOM 126 N GLU E 481 191.944 268.689 251.733 1.00 96.76 ATOM 127 CA GLU E 481 193.320 268.711 251.230 1.00178.68 ATOM 128 C GLU E 481 194.192 269.570 252.147 1.00195.80 ATOM 129 O GLU E 481 193.783 270.649 252.589 1.00 80.85 ATOM 130 CB GLU E 481 193.381 269.196 249.774 1.00264.40 ATOM 131 CG GLU E 481 192.851 268.146 248.782 1.00289.49 ATOM 132 CD GLU E 481 192.875 268.637 247.325 1.00429.93 ATOM 133 OE1 GLU E 481 193.530 269.657 247.019 1.00360.88 ATOM 134 OE2 GLU E 481 192.146 268.074 246.477 1.00434.10 ATOM 135 N GLY E 482 195.387 269.075 252.482 1.00175.47 ATOM 136 CA GLY E 482 196.129 269.614 253.620 1.00131.26 ATOM 137 C GLY E 482 195.261 269.601 254.873 1.00 60.97 ATOM 138 O GLY E 482 194.498 268.669 255.104 1.00116.48 ATOM 139 N THR E 483 195.295 270.678 255.647 1.00 92.04 ATOM 140 CA THR E 483 194.392 270.896 256.791 1.00131.92 ATOM 141 C THR E 483 193.014 271.455 256.409 1.00119.57 ATOM 142 O THR E 483 192.297 271.892 257.304 1.00 77.13 ATOM 143 CB THR E 483 195.034 271.856 257.819 1.00193.96 ATOM 144 OG1 THR E 483 195.144 273.159 257.278 1.00 93.21 ATOM 145 CG2 THR E 483 196.423 271.412 258.281 1.00340.30 ATOM 146 N SER E 484 192.655 271.569 255.125 1.00132.60 ATOM 147 CA SER E 484 191.630 272.532 254.670 1.00 99.09 ATOM 148 C SER E 484 190.497 271.913 253.857 1.00 86.76 ATOM 149 O SER E 484 190.724 271.074 252.986 1.00146.42 ATOM 150 CB SER E 484 192.308 273.649 253.880 1.00 37.77 ATOM 151 OG SER E 484 192.776 273.208 252.622 1.00138.04 ATOM 152 N CYS E 485 189.264 272.326 254.133 1.00 44.08 ATOM 153 CA CYS E 485 188.089 271.869 253.399 1.00121.58 ATOM 154 C CYS E 485 187.893 272.604 252.062 1.00248.32 ATOM 155 O CYS E 485 188.038 273.827 251.993 1.00216.23 ATOM 156 CB CYS E 485 186.843 272.068 254.266 1.00168.88 ATOM 157 SG CYS E 485 186.689 270.915 255.646 1.00 91.96 ATOM 158 N ARG E 486 187.436 271.877 251.034 1.00269.32 ATOM 159 CA ARG E 486 186.689 272.429 249.891 1.00135.54 ATOM 160 C ARG E 486 185.327 271.758 249.777 1.00152.90 ATOM 161 O ARG E 486 185.278 270.560 249.522 1.00 93.03 ATOM 162 CB ARG E 486 187.462 272.227 248.581 1.00 48.11 ATOM 163 CG ARG E 486 188.783 273.001 248.542 1.00201.75 ATOM 164 CD ARG E 486 189.234 273.275 247.098 1.00313.95 ATOM 165 NE ARG E 486 189.403 272.039 246.309 1.00107.00 ATOM 166 CZ ARG E 486 190.461 271.256 246.294 1.00141.30 ATOM 167 NH1 ARG E 486 191.536 271.545 246.963 1.00242.04 ATOM 168 NH2 ARG E 486 190.453 270.152 245.614 1.00122.46 ATOM 169 N CYS E 487 184.229 272.499 249.882 1.00 99.86 ATOM 170 CA CYS E 487 182.975 272.070 249.265 1.00176.27 ATOM 171 C CYS E 487 183.028 272.438 247.777 1.00242.44 ATOM 172 O CYS E 487 182.827 273.599 247.424 1.00236.11 ATOM 173 CB CYS E 487 181.761 272.729 249.938 1.00 59.10 ATOM 174 SG CYS E 487 181.240 272.066 251.544 1.00399.62 ATOM 175 N GLN E 488 183.258 271.473 246.888 1.00 90.76 ATOM 176 CA GLN E 488 183.017 271.643 245.454 1.00171.67 ATOM 177 C GLN E 488 181.508 271.705 245.194 1.00120.43 ATOM 178 O GLN E 488 180.872 270.691 244.902 1.00261.80 ATOM 179 CB GLN E 488 183.676 270.508 244.658 1.00 96.85 ATOM 180 CG GLN E 488 185.204 270.565 244.724 1.00285.70 ATOM 181 CD GLN E 488 185.855 269.652 243.692 1.00104.78 ATOM 182 OE1 GLN E 488 185.383 268.566 243.385 1.00322.32 ATOM 183 NE2 GLN E 488 186.964 270.051 243.110 1.00237.61 ATOM 184 N CYS E 489 180.899 272.876 245.377 1.00 94.59 ATOM 185 CA CYS E 489 179.484 273.064 245.076 1.00189.49 ATOM 186 C CYS E 489 179.251 272.993 243.560 1.00111.47 ATOM 187 O CYS E 489 179.966 273.621 242.778 1.00109.21 ATOM 188 CB CYS E 489 178.935 274.328 245.755 1.00289.79 ATOM 189 SG CYS E 489 178.317 273.945 247.417 1.00128.64 ATOM 190 N ARG E 490 178.259 272.188 243.151 1.00264.86 ATOM 191 CA ARG E 490 177.964 271.858 241.744 1.00225.10 ATOM 192 C ARG E 490 177.388 273.021 240.929 1.00281.18 ATOM 193 O ARG E 490 177.595 273.065 239.721 1.00120.27 ATOM 194 CB ARG E 490 177.114 270.567 241.675 1.00232.51 ATOM 195 CG ARG E 490 175.788 270.508 242.467 1.00177.19 ATOM 196 CD ARG E 490 174.633 271.267 241.804 1.00256.86 ATOM 197 NE ARG E 490 173.379 271.144 242.568 1.00 75.60 ATOM 198 CZ ARG E 490 172.303 270.460 242.230 1.00366.66 ATOM 199 NH1 ARG E 490 172.276 269.632 241.230 1.00440.00 ATOM 200 NH2 ARG E 490 171.213 270.600 242.920 1.00421.92 ATOM 201 N LEU E 491 176.705 273.959 241.595 1.00288.59 ATOM 202 CA LEU E 491 176.171 275.227 241.080 1.00187.38 ATOM 203 C LEU E 491 176.125 276.263 242.221 1.00183.27 ATOM 204 O LEU E 491 176.007 275.893 243.391 1.00111.50 ATOM 205 CB LEU E 491 174.755 275.044 240.512 1.00 62.71 ATOM 206 CG LEU E 491 174.612 274.076 239.330 1.00129.03 ATOM 207 CD1 LEU E 491 173.131 273.804 239.079 1.00306.30 ATOM 208 CD2 LEU E 491 175.242 274.629 238.053 1.00137.83 ATOM 209 N GLY E 492 176.196 277.552 241.879 1.00311.46 ATOM 210 CA GLY E 492 176.139 278.658 242.841 1.00203.09 ATOM 211 C GLY E 492 177.413 278.842 243.684 1.00122.68 ATOM 212 O GLY E 492 178.298 277.986 243.718 1.00109.05 ATOM 213 N SER E 493 177.561 280.021 244.289 1.00150.38 ATOM 214 CA SER E 493 178.791 280.449 244.973 1.00440.00 ATOM 215 C SER E 493 179.014 279.715 246.305 1.00440.00 ATOM 216 O SER E 493 178.077 279.549 247.083 1.00244.64 ATOM 217 CB SER E 493 178.785 281.966 245.181 1.00440.00 ATOM 218 OG SER E 493 180.036 282.392 245.689 1.00440.00 ATOM 219 N LEU E 494 180.254 279.280 246.554 1.00440.00 ATOM 220 CA LEU E 494 180.633 278.328 247.608 1.00362.80 ATOM 221 C LEU E 494 180.389 278.834 249.044 1.00186.82 ATOM 222 O LEU E 494 180.381 280.033 249.330 1.00193.49 ATOM 223 CB LEU E 494 182.116 277.928 247.438 1.00334.75 ATOM 224 CG LEU E 494 182.404 276.868 246.358 1.00340.32 ATOM 225 CD1 LEU E 494 182.064 277.308 244.933 1.00353.69 ATOM 226 CD2 LEU E 494 183.892 276.515 246.393 1.00223.67 ATOM 227 N GLY E 495 180.260 277.880 249.961 1.00131.83 ATOM 228 CA GLY E 495 180.020 278.071 251.387 1.00101.62 ATOM 229 C GLY E 495 179.457 276.786 251.994 1.00119.50 ATOM 230 O GLY E 495 179.530 275.727 251.371 1.00133.34 ATOM 231 N ALA E 496 178.862 276.860 253.188 1.00333.82 ATOM 232 CA ALA E 496 177.971 275.789 253.650 1.00434.21 ATOM 233 C ALA E 496 176.694 275.768 252.794 1.00415.45 ATOM 234 O ALA E 496 176.418 274.783 252.114 1.00128.60 ATOM 235 CB ALA E 496 177.645 275.965 255.137 1.00397.05 ATOM 236 N ALA E 497 175.952 276.882 252.795 1.00433.57 ATOM 237 CA ALA E 497 174.968 277.227 251.771 1.00314.86 ATOM 238 C ALA E 497 175.674 277.574 250.448 1.00253.01 ATOM 239 O ALA E 497 176.822 278.022 250.469 1.00 67.41 ATOM 240 CB ALA E 497 174.125 278.393 252.294 1.00350.73 ATOM 241 N CYS E 498 174.996 277.393 249.310 1.00 74.79 ATOM 242 CA CYS E 498 175.646 277.523 248.007 1.00205.35 ATOM 243 C CYS E 498 174.859 278.248 246.907 1.00178.87 ATOM 244 O CYS E 498 175.435 278.503 245.857 1.00132.93 ATOM 245 CB CYS E 498 176.138 276.141 247.534 1.00231.28 ATOM 246 SG CYS E 498 177.723 275.679 248.270 1.00147.40 ATOM 247 N GLU E 499 173.585 278.611 247.072 1.00159.05 ATOM 248 CA GLU E 499 172.762 279.015 245.919 1.00267.56 ATOM 249 C GLU E 499 172.180 280.422 245.977 1.00393.57 ATOM 250 O GLU E 499 171.889 280.980 247.033 1.00290.76 ATOM 251 CB GLU E 499 171.677 277.971 245.611 1.00322.43 ATOM 252 CG GLU E 499 172.123 277.010 244.500 1.00383.76 ATOM 253 CD GLU E 499 172.290 277.670 243.111 1.00268.14 ATOM 254 OE1 GLU E 499 171.900 278.850 242.929 1.00433.59 ATOM 255 OE2 GLU E 499 172.748 276.976 242.180 1.00 85.28 ATOM 256 N GLN E 500 172.040 280.974 244.773 1.00437.41 ATOM 257 CA GLN E 500 171.634 282.344 244.444 1.00440.00 ATOM 258 C GLN E 500 170.845 282.379 243.118 1.00440.00 ATOM 259 O GLN E 500 170.131 283.340 242.839 1.00440.00 ATOM 260 CB GLN E 500 172.872 283.263 244.308 1.00440.00 ATOM 261 CG GLN E 500 173.945 283.159 245.414 1.00440.00 ATOM 262 CD GLN E 500 174.860 281.938 245.285 1.00440.00 ATOM 263 OE1 GLN E 500 175.040 281.357 244.224 1.00440.00 ATOM 264 NE2 GLN E 500 175.463 281.475 246.356 1.00230.92 ATOM 265 N THR E 501 170.977 281.337 242.290 1.00432.70 ATOM 266 CA THR E 501 170.305 281.153 241.004 1.00401.23 ATOM 267 C THR E 501 169.042 280.315 241.175 1.00229.43 ATOM 268 O THR E 501 167.969 280.692 240.715 1.00366.04 ATOM 269 CB THR E 501 171.246 280.469 239.993 1.00369.70 ATOM 270 OG1 THR E 501 171.513 279.117 240.291 1.00 92.84 ATOM 271 CG2 THR E 501 172.591 281.185 239.861 1.00440.00 TER