HEADER IMMUNE SYSTEM 31-DEC-69 6H03 TITLE OPEN CONFORMATION OF THE MEMBRANE ATTACK COMPLEX COMPND MOL_ID: 2; COMPND 2 MOLECULE: Complement component C8 beta chain; COMPND 3 CHAIN: C; EXPDTA ELECTRON MICROSCOPY DBREF 6H03 C 1 547 UNP P07358 CO8B_HUMAN 55 591 SEQRES 1 C 39 SER CYS HIS CYS ALA PRO CYS GLN GLY ASN GLY VAL PRO SEQRES 2 C 39 VAL LEU LYS GLY SER ARG CYS ASP CYS ILE CYS PRO VAL SEQRES 3 C 39 GLY SER GLN GLY LEU ALA CYS GLU VAL SER TYR ARG LYS ATOM 1 N SER C 448 253.312 296.918 170.224 1.00 14.51 ATOM 2 CA SER C 448 254.478 296.149 170.654 1.00 14.51 ATOM 3 C SER C 448 254.864 295.051 169.672 1.00 14.51 ATOM 4 O SER C 448 255.825 294.317 169.933 1.00 14.51 ATOM 5 CB SER C 448 254.298 295.528 172.048 1.00 0.00 ATOM 6 OG SER C 448 253.338 294.485 172.025 1.00 0.00 ATOM 7 N CYS C 449 254.152 294.909 168.552 1.00 16.55 ATOM 8 CA CYS C 449 254.516 293.918 167.548 1.00 16.55 ATOM 9 C CYS C 449 255.639 294.392 166.637 1.00 16.55 ATOM 10 O CYS C 449 256.282 293.560 165.985 1.00 16.55 ATOM 11 CB CYS C 449 253.291 293.551 166.707 1.00 16.55 ATOM 12 SG CYS C 449 252.532 294.950 165.846 1.00 16.55 ATOM 13 N HIS C 450 255.888 295.702 166.574 1.00 15.25 ATOM 14 CA HIS C 450 256.919 296.229 165.688 1.00 15.25 ATOM 15 C HIS C 450 258.325 295.866 166.146 1.00 15.25 ATOM 16 O HIS C 450 259.263 295.953 165.345 1.00 15.25 ATOM 17 CB HIS C 450 256.785 297.748 165.574 1.00 15.25 ATOM 18 CG HIS C 450 255.496 298.197 164.957 1.00 15.25 ATOM 19 ND1 HIS C 450 255.245 298.103 163.606 1.00 15.25 ATOM 20 CD2 HIS C 450 254.386 298.741 165.510 1.00 15.25 ATOM 21 CE1 HIS C 450 254.035 298.571 163.351 1.00 15.25 ATOM 22 NE2 HIS C 450 253.493 298.964 164.489 1.00 15.25 ATOM 23 N CYS C 451 258.494 295.467 167.402 1.00 13.39 ATOM 24 CA CYS C 451 259.808 295.073 167.889 1.00 13.39 ATOM 25 C CYS C 451 260.226 293.742 167.276 1.00 13.39 ATOM 26 O CYS C 451 259.393 292.898 166.932 1.00 13.39 ATOM 27 CB CYS C 451 259.805 294.972 169.415 1.00 13.39 ATOM 28 SG CYS C 451 261.424 294.619 170.142 1.00 13.39 ATOM 29 N ALA C 452 261.535 293.564 167.131 1.00 12.44 ATOM 30 CA ALA C 452 262.055 292.334 166.556 1.00 12.44 ATOM 31 C ALA C 452 261.718 291.152 167.463 1.00 12.44 ATOM 32 O ALA C 452 261.750 291.283 168.693 1.00 12.44 ATOM 33 CB ALA C 452 263.567 292.429 166.356 1.00 12.44 ATOM 34 N PRO C 453 261.382 289.993 166.897 1.00 12.50 ATOM 35 CA PRO C 453 261.059 288.828 167.734 1.00 12.50 ATOM 36 C PRO C 453 262.275 288.372 168.527 1.00 12.50 ATOM 37 O PRO C 453 263.374 288.235 167.985 1.00 12.50 ATOM 38 CB PRO C 453 260.619 287.768 166.715 1.00 12.50 ATOM 39 CG PRO C 453 260.245 288.544 165.489 1.00 12.50 ATOM 40 CD PRO C 453 261.170 289.721 165.466 1.00 12.50 ATOM 41 N CYS C 454 262.069 288.140 169.820 1.00 13.25 ATOM 42 CA CYS C 454 263.142 287.699 170.694 1.00 13.25 ATOM 43 C CYS C 454 263.370 286.198 170.519 1.00 13.25 ATOM 44 O CYS C 454 262.734 285.535 169.694 1.00 13.25 ATOM 45 CB CYS C 454 262.818 288.044 172.145 1.00 13.25 ATOM 46 SG CYS C 454 262.334 289.770 172.414 1.00 13.25 ATOM 47 N GLN C 455 264.290 285.650 171.308 1.00 14.82 ATOM 48 CA GLN C 455 264.577 284.224 171.300 1.00 14.82 ATOM 49 C GLN C 455 264.467 283.683 172.718 1.00 14.82 ATOM 50 O GLN C 455 264.302 284.434 173.684 1.00 14.82 ATOM 51 CB GLN C 455 265.967 283.931 170.716 1.00 14.82 ATOM 52 CG GLN C 455 266.095 284.236 169.233 1.00 14.82 ATOM 53 CD GLN C 455 267.471 283.908 168.686 1.00 14.82 ATOM 54 OE1 GLN C 455 268.363 283.494 169.427 1.00 14.82 ATOM 55 NE2 GLN C 455 267.649 284.088 167.383 1.00 14.82 ATOM 56 N GLY C 456 264.565 282.361 172.837 1.00 16.62 ATOM 57 CA GLY C 456 264.411 281.720 174.131 1.00 16.62 ATOM 58 C GLY C 456 263.041 281.896 174.741 1.00 16.62 ATOM 59 O GLY C 456 262.925 282.030 175.965 1.00 16.62 ATOM 60 N ASN C 457 261.993 281.907 173.914 1.00 18.62 ATOM 61 CA ASN C 457 260.612 282.093 174.366 1.00 18.62 ATOM 62 C ASN C 457 260.435 283.419 175.104 1.00 18.62 ATOM 63 O ASN C 457 259.662 283.510 176.062 1.00 18.62 ATOM 64 CB ASN C 457 260.148 280.924 175.241 1.00 18.62 ATOM 65 CG ASN C 457 258.645 280.709 175.184 1.00 18.62 ATOM 66 OD1 ASN C 457 258.140 279.670 175.607 1.00 18.62 ATOM 67 ND2 ASN C 457 257.925 281.691 174.654 1.00 18.62 ATOM 68 N GLY C 458 261.149 284.457 174.663 1.00 15.36 ATOM 69 CA GLY C 458 261.035 285.751 175.295 1.00 15.36 ATOM 70 C GLY C 458 259.780 286.498 174.887 1.00 15.36 ATOM 71 O GLY C 458 259.127 286.186 173.891 1.00 15.36 ATOM 72 N VAL C 459 259.443 287.508 175.680 1.00 13.76 ATOM 73 CA VAL C 459 258.270 288.344 175.456 1.00 13.76 ATOM 74 C VAL C 459 258.746 289.773 175.220 1.00 13.76 ATOM 75 O VAL C 459 259.289 290.400 176.134 1.00 13.76 ATOM 76 CB VAL C 459 257.286 288.286 176.634 1.00 13.76 ATOM 77 CG1 VAL C 459 256.128 289.248 176.407 1.00 13.76 ATOM 78 CG2 VAL C 459 256.776 286.867 176.833 1.00 13.76 ATOM 79 N PRO C 460 258.570 290.330 174.023 1.00 12.44 ATOM 80 CA PRO C 460 258.988 291.718 173.792 1.00 12.44 ATOM 81 C PRO C 460 258.089 292.695 174.531 1.00 12.44 ATOM 82 O PRO C 460 256.873 292.505 174.624 1.00 12.44 ATOM 83 CB PRO C 460 258.859 291.882 172.271 1.00 12.44 ATOM 84 CG PRO C 460 258.818 290.481 171.728 1.00 12.44 ATOM 85 CD PRO C 460 258.135 289.670 172.782 1.00 12.44 ATOM 86 N VAL C 461 258.700 293.754 175.059 1.00 12.00 ATOM 87 CA VAL C 461 257.993 294.796 175.791 1.00 12.00 ATOM 88 C VAL C 461 258.429 296.147 175.244 1.00 12.00 ATOM 89 O VAL C 461 259.628 296.440 175.183 1.00 12.00 ATOM 90 CB VAL C 461 258.257 294.716 177.307 1.00 12.00 ATOM 91 CG1 VAL C 461 257.689 295.936 178.013 1.00 12.00 ATOM 92 CG2 VAL C 461 257.658 293.442 177.881 1.00 12.00 ATOM 93 N LEU C 462 257.457 296.966 174.848 1.00 11.28 ATOM 94 CA LEU C 462 257.734 298.285 174.302 1.00 11.28 ATOM 95 C LEU C 462 257.793 299.314 175.423 1.00 11.28 ATOM 96 O LEU C 462 256.957 299.310 176.333 1.00 11.28 ATOM 97 CB LEU C 462 256.667 298.676 173.276 1.00 11.28 ATOM 98 CG LEU C 462 256.961 299.829 172.309 1.00 11.28 ATOM 99 CD1 LEU C 462 256.605 301.184 172.910 1.00 11.28 ATOM 100 CD2 LEU C 462 258.419 299.802 171.870 1.00 11.28 ATOM 101 N LYS C 463 258.789 300.196 175.352 1.00 10.76 ATOM 102 CA LYS C 463 258.961 301.252 176.348 1.00 10.76 ATOM 103 C LYS C 463 259.683 302.415 175.669 1.00 10.76 ATOM 104 O LYS C 463 260.903 302.373 175.486 1.00 10.76 ATOM 105 CB LYS C 463 259.719 300.740 177.568 1.00 10.76 ATOM 106 CG LYS C 463 260.924 299.864 177.247 1.00 10.76 ATOM 107 CD LYS C 463 261.590 299.344 178.508 1.00 10.76 ATOM 108 CE LYS C 463 262.354 300.444 179.222 1.00 10.76 ATOM 109 NZ LYS C 463 263.516 300.922 178.424 1.00 10.76 ATOM 110 N GLY C 464 258.923 303.443 175.301 1.00 11.06 ATOM 111 CA GLY C 464 259.474 304.579 174.588 1.00 11.06 ATOM 112 C GLY C 464 260.062 304.193 173.246 1.00 11.06 ATOM 113 O GLY C 464 259.333 303.795 172.332 1.00 11.06 ATOM 114 N SER C 465 261.382 304.308 173.116 1.00 10.76 ATOM 115 CA SER C 465 262.090 303.895 171.914 1.00 10.76 ATOM 116 C SER C 465 262.927 302.642 172.124 1.00 10.76 ATOM 117 O SER C 465 263.535 302.149 171.170 1.00 10.76 ATOM 118 CB SER C 465 262.982 305.034 171.406 1.00 10.76 ATOM 119 OG SER C 465 264.026 305.312 172.323 1.00 10.76 ATOM 120 N ARG C 466 262.973 302.116 173.344 1.00 10.96 ATOM 121 CA ARG C 466 263.746 300.927 173.669 1.00 10.96 ATOM 122 C ARG C 466 262.826 299.715 173.758 1.00 10.96 ATOM 123 O ARG C 466 261.648 299.831 174.105 1.00 10.96 ATOM 124 CB ARG C 466 264.497 301.122 174.991 1.00 10.96 ATOM 125 CG ARG C 466 265.476 300.014 175.344 1.00 10.96 ATOM 126 CD ARG C 466 266.631 299.961 174.356 1.00 10.96 ATOM 127 NE ARG C 466 267.666 299.018 174.773 1.00 10.96 ATOM 128 CZ ARG C 466 267.631 297.713 174.529 1.00 10.96 ATOM 129 NH1 ARG C 466 266.610 297.187 173.866 1.00 10.96 ATOM 130 NH2 ARG C 466 268.617 296.931 174.945 1.00 10.96 ATOM 131 N CYS C 467 263.375 298.547 173.429 1.00 11.41 ATOM 132 CA CYS C 467 262.639 297.289 173.483 1.00 11.41 ATOM 133 C CYS C 467 263.489 296.262 174.213 1.00 11.41 ATOM 134 O CYS C 467 264.596 295.941 173.770 1.00 11.41 ATOM 135 CB CYS C 467 262.282 296.794 172.078 1.00 11.41 ATOM 136 SG CYS C 467 261.273 295.293 172.052 1.00 11.41 ATOM 137 N ASP C 468 262.975 295.750 175.328 1.00 11.83 ATOM 138 CA ASP C 468 263.675 294.769 176.143 1.00 11.83 ATOM 139 C ASP C 468 262.923 293.446 176.116 1.00 11.83 ATOM 140 O ASP C 468 261.692 293.418 176.219 1.00 11.83 ATOM 141 CB ASP C 468 263.828 295.255 177.588 1.00 11.83 ATOM 142 CG ASP C 468 264.791 296.418 177.713 1.00 11.83 ATOM 143 OD1 ASP C 468 265.721 296.514 176.886 1.00 11.83 ATOM 144 OD2 ASP C 468 264.617 297.240 178.640 1.00 11.83 ATOM 145 N CYS C 469 263.668 292.353 175.977 1.00 12.77 ATOM 146 CA CYS C 469 263.088 291.017 175.921 1.00 12.77 ATOM 147 C CYS C 469 263.035 290.428 177.325 1.00 12.77 ATOM 148 O CYS C 469 264.076 290.230 177.959 1.00 12.77 ATOM 149 CB CYS C 469 263.900 290.112 174.995 1.00 12.77 ATOM 150 SG CYS C 469 263.962 290.639 173.265 1.00 12.77 ATOM 151 N ILE C 470 261.827 290.150 177.807 1.00 13.44 ATOM 152 CA ILE C 470 261.640 289.464 179.081 1.00 13.44 ATOM 153 C ILE C 470 261.671 287.965 178.814 1.00 13.44 ATOM 154 O ILE C 470 260.786 287.426 178.141 1.00 13.44 ATOM 155 CB ILE C 470 260.326 289.881 179.758 1.00 13.44 ATOM 156 CG1 ILE C 470 260.404 291.337 180.221 1.00 13.44 ATOM 157 CG2 ILE C 470 260.017 288.966 180.933 1.00 13.44 ATOM 158 CD1 ILE C 470 259.113 291.859 180.813 1.00 13.44 ATOM 159 N CYS C 471 262.691 287.294 179.340 1.00 15.04 ATOM 160 CA CYS C 471 262.903 285.885 179.069 1.00 15.04 ATOM 161 C CYS C 471 262.505 285.030 180.266 1.00 15.04 ATOM 162 O CYS C 471 262.612 285.470 181.416 1.00 15.04 ATOM 163 CB CYS C 471 264.372 285.605 178.728 1.00 15.04 ATOM 164 SG CYS C 471 264.980 286.455 177.260 1.00 15.04 ATOM 165 N PRO C 472 262.033 283.806 180.028 1.00 15.09 ATOM 166 CA PRO C 472 261.799 282.881 181.141 1.00 15.09 ATOM 167 C PRO C 472 263.099 282.560 181.862 1.00 15.09 ATOM 168 O PRO C 472 264.193 282.713 181.314 1.00 15.09 ATOM 169 CB PRO C 472 261.215 281.641 180.457 1.00 15.09 ATOM 170 CG PRO C 472 260.673 282.141 179.156 1.00 15.09 ATOM 171 CD PRO C 472 261.594 283.246 178.741 1.00 15.09 ATOM 172 N VAL C 473 262.966 282.118 183.115 1.00 14.84 ATOM 173 CA VAL C 473 264.136 281.817 183.930 1.00 14.84 ATOM 174 C VAL C 473 264.947 280.711 183.272 1.00 14.84 ATOM 175 O VAL C 473 264.415 279.654 182.911 1.00 14.84 ATOM 176 CB VAL C 473 263.707 281.430 185.352 1.00 14.84 ATOM 177 CG1 VAL C 473 264.925 281.169 186.223 1.00 14.84 ATOM 178 CG2 VAL C 473 262.831 282.517 185.951 1.00 14.84 ATOM 179 N GLY C 474 266.246 280.953 183.111 1.00 16.11 ATOM 180 CA GLY C 474 267.142 280.000 182.478 1.00 16.11 ATOM 181 C GLY C 474 267.843 280.506 181.234 1.00 16.11 ATOM 182 O GLY C 474 268.533 279.717 180.573 1.00 16.11 ATOM 183 N SER C 475 267.710 281.781 180.873 1.00 15.53 ATOM 184 CA SER C 475 268.356 282.326 179.688 1.00 15.53 ATOM 185 C SER C 475 268.946 283.688 180.016 1.00 15.53 ATOM 186 O SER C 475 268.346 284.470 180.761 1.00 15.53 ATOM 187 CB SER C 475 267.372 282.440 178.517 1.00 15.53 ATOM 188 OG SER C 475 266.927 281.162 178.097 1.00 15.53 ATOM 189 N GLN C 476 270.120 283.968 179.457 1.00 15.39 ATOM 190 CA GLN C 476 270.843 285.204 179.713 1.00 15.39 ATOM 191 C GLN C 476 271.207 285.872 178.394 1.00 15.39 ATOM 192 O GLN C 476 271.087 285.284 177.316 1.00 15.39 ATOM 193 CB GLN C 476 272.107 284.949 180.545 1.00 15.39 ATOM 194 CG GLN C 476 271.837 284.346 181.912 1.00 15.39 ATOM 195 CD GLN C 476 271.068 285.284 182.818 1.00 15.39 ATOM 196 OE1 GLN C 476 271.294 286.494 182.816 1.00 15.39 ATOM 197 NE2 GLN C 476 270.151 284.729 183.602 1.00 15.39 ATOM 198 N GLY C 477 271.657 287.117 178.493 1.00 14.99 ATOM 199 CA GLY C 477 272.090 287.872 177.338 1.00 14.99 ATOM 200 C GLY C 477 270.937 288.530 176.599 1.00 14.99 ATOM 201 O GLY C 477 269.768 288.181 176.759 1.00 14.99 ATOM 202 N LEU C 478 271.290 289.513 175.774 1.00 14.41 ATOM 203 CA LEU C 478 270.296 290.202 174.961 1.00 14.41 ATOM 204 C LEU C 478 269.697 289.241 173.941 1.00 14.41 ATOM 205 O LEU C 478 270.425 288.541 173.230 1.00 14.41 ATOM 206 CB LEU C 478 270.924 291.404 174.255 1.00 14.41 ATOM 207 CG LEU C 478 270.884 292.753 174.983 1.00 14.41 ATOM 208 CD1 LEU C 478 269.447 293.179 175.242 1.00 14.41 ATOM 209 CD2 LEU C 478 271.682 292.716 176.278 1.00 14.41 ATOM 210 N ALA C 479 268.366 289.204 173.885 1.00 14.56 ATOM 211 CA ALA C 479 267.546 288.319 173.059 1.00 14.56 ATOM 212 C ALA C 479 267.610 286.865 173.507 1.00 14.56 ATOM 213 O ALA C 479 266.888 286.032 172.948 1.00 14.56 ATOM 214 CB ALA C 479 267.904 288.393 171.567 1.00 14.56 ATOM 215 N CYS C 480 268.436 286.535 174.501 1.00 15.05 ATOM 216 CA CYS C 480 268.494 285.204 175.104 1.00 15.05 ATOM 217 C CYS C 480 268.720 284.117 174.048 1.00 15.05 ATOM 218 O CYS C 480 267.894 283.234 173.825 1.00 15.05 ATOM 219 CB CYS C 480 267.223 284.934 175.915 1.00 15.05 ATOM 220 SG CYS C 480 266.974 286.080 177.284 1.00 15.05 ATOM 221 N GLU C 481 269.878 284.213 173.397 1.00 15.88 ATOM 222 CA GLU C 481 270.284 283.219 172.413 1.00 15.88 ATOM 223 C GLU C 481 271.128 282.103 173.013 1.00 15.88 ATOM 224 O GLU C 481 271.338 281.082 172.351 1.00 15.88 ATOM 225 CB GLU C 481 271.061 283.885 171.271 1.00 15.88 ATOM 226 CG GLU C 481 272.505 284.223 171.612 1.00 15.88 ATOM 227 CD GLU C 481 272.650 285.573 172.286 1.00 15.88 ATOM 228 OE1 GLU C 481 271.635 286.106 172.778 1.00 15.88 ATOM 229 OE2 GLU C 481 273.781 286.101 172.322 1.00 15.88 ATOM 230 N VAL C 482 271.612 282.271 174.241 1.00 16.99 ATOM 231 CA VAL C 482 272.431 281.273 174.920 1.00 16.99 ATOM 232 C VAL C 482 271.599 280.665 176.040 1.00 16.99 ATOM 233 O VAL C 482 271.124 281.380 176.930 1.00 16.99 ATOM 234 CB VAL C 482 273.730 281.881 175.467 1.00 16.99 ATOM 235 CG1 VAL C 482 274.520 280.836 176.241 1.00 16.99 ATOM 236 CG2 VAL C 482 274.566 282.457 174.331 1.00 16.99 ATOM 237 N SER C 483 271.420 279.347 175.994 1.00 20.68 ATOM 238 CA SER C 483 270.680 278.640 177.026 1.00 20.68 ATOM 239 C SER C 483 271.233 277.227 177.146 1.00 20.68 ATOM 240 O SER C 483 271.848 276.698 176.217 1.00 20.68 ATOM 241 CB SER C 483 269.177 278.609 176.726 1.00 20.68 ATOM 242 OG SER C 483 268.465 277.937 177.750 1.00 20.68 ATOM 243 N TYR C 484 271.004 276.622 178.308 1.00 24.19 ATOM 244 CA TYR C 484 271.508 275.281 178.599 1.00 24.19 ATOM 245 C TYR C 484 270.499 274.201 178.215 1.00 24.19 ATOM 246 O TYR C 484 270.182 273.306 178.996 1.00 24.19 ATOM 247 CB TYR C 484 271.883 275.184 180.073 1.00 0.00 ATOM 248 CG TYR C 484 270.812 275.681 181.027 1.00 0.00 ATOM 249 CD1 TYR C 484 269.821 274.829 181.500 1.00 0.00 ATOM 250 CD2 TYR C 484 270.797 277.002 181.458 1.00 0.00 ATOM 251 CE1 TYR C 484 268.846 275.277 182.367 1.00 0.00 ATOM 252 CE2 TYR C 484 269.824 277.458 182.327 1.00 0.00 ATOM 253 CZ TYR C 484 268.851 276.591 182.778 1.00 0.00 ATOM 254 OH TYR C 484 267.880 277.038 183.643 1.00 0.00 ATOM 255 N ARG C 485 270.012 274.262 176.978 1.00 26.67 ATOM 256 CA ARG C 485 268.988 273.332 176.525 1.00 26.67 ATOM 257 C ARG C 485 268.905 273.377 175.007 1.00 26.67 ATOM 258 O ARG C 485 269.148 274.416 174.389 1.00 26.67 ATOM 259 CB ARG C 485 267.626 273.659 177.151 1.00 0.00 ATOM 260 CG ARG C 485 267.129 275.063 176.852 1.00 0.00 ATOM 261 CD ARG C 485 265.909 275.408 177.686 1.00 0.00 ATOM 262 NE ARG C 485 266.243 275.560 179.100 1.00 0.00 ATOM 263 CZ ARG C 485 265.346 275.730 180.065 1.00 0.00 ATOM 264 NH1 ARG C 485 264.053 275.771 179.772 1.00 0.00 ATOM 265 NH2 ARG C 485 265.740 275.860 181.325 1.00 0.00 ATOM 266 N LYS C 486 268.564 272.234 174.420 1.00 30.26 ATOM 267 CA LYS C 486 268.398 272.097 172.983 1.00 30.26 ATOM 268 C LYS C 486 266.919 271.988 172.641 1.00 30.26 ATOM 269 O LYS C 486 266.075 271.780 173.517 1.00 30.26 ATOM 270 CB LYS C 486 269.152 270.872 172.455 1.00 0.00 ATOM 271 CG LYS C 486 270.629 270.819 172.832 1.00 0.00 ATOM 272 CD LYS C 486 271.456 271.835 172.056 1.00 0.00 ATOM 273 CE LYS C 486 271.840 273.028 172.920 1.00 0.00 ATOM 274 NZ LYS C 486 272.760 273.957 172.208 1.00 0.00 TER