HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 7CW2 TITLE Cryo-EM structure of Chikungunya virus in complex with Fab fragments TITLE 2 of mAb CHK-263 (subregion around icosahedral 5-fold vertex) COMPND MOL_ID: 1; COMPND 2 MOLECULE: E1 glycoprotein; COMPND 3 CHAIN: G, A, D, g, a, d, J, M, P, j, m, p, s, v, y; EXPDTA ELECTRON MICROSCOPY DBREF 7CW2 A 1 439 PDB 7CW2 7CW2 1 439 SEQRES 1 A 101 ALA PRO SER LEU THR ASP MET SER CYS GLU VAL PRO ALA SEQRES 2 A 101 CYS THR HIS SER SER ASP PHE GLY GLY VAL ALA ILE ILE SEQRES 3 A 101 LYS TYR ALA ALA SER LYS LYS GLY LYS CYS ALA VAL HIS SEQRES 4 A 101 SER MET THR ASN ALA VAL THR ILE ARG GLU ALA GLU ILE SEQRES 5 A 101 GLU VAL GLU GLY ASN SER GLN LEU GLN ILE SER PHE SER SEQRES 6 A 101 THR ALA LEU ALA SER ALA GLU PHE ARG VAL GLN VAL CYS SEQRES 7 A 101 SER THR GLN VAL HIS CYS ALA ALA GLU CYS HIS PRO PRO SEQRES 8 A 101 LYS ARG THR THR VAL TYR TYR PRO ALA SER ATOM 1 CA ALA A 293 84.432 42.495 205.877 1.00128.32 ATOM 2 CA PRO A 294 88.181 42.120 205.264 1.00126.18 ATOM 3 CA SER A 295 90.531 42.905 208.134 1.00124.58 ATOM 4 CA LEU A 296 94.062 44.304 208.140 1.00129.49 ATOM 5 CA THR A 297 96.853 43.918 210.689 1.00127.39 ATOM 6 CA ASP A 298 100.404 45.099 211.471 1.00130.93 ATOM 7 CA MET A 299 99.845 48.075 209.189 1.00130.58 ATOM 8 CA SER A 300 103.073 50.065 208.818 1.00122.59 ATOM 9 CA CYS A 301 102.997 53.313 206.848 1.00112.93 ATOM 10 CA GLU A 302 105.732 55.685 205.711 1.00113.02 ATOM 11 CA VAL A 303 105.794 58.639 203.325 1.00105.91 ATOM 12 CA PRO A 304 108.475 58.695 200.595 1.00101.19 ATOM 13 CA ALA A 305 107.825 62.293 199.515 1.00 99.59 ATOM 14 CA CYS A 306 105.483 64.970 200.849 1.00 96.88 ATOM 15 CA THR A 307 104.877 68.379 199.270 1.00 84.36 ATOM 16 CA HIS A 308 102.268 70.669 200.801 1.00 83.00 ATOM 17 CA SER A 309 100.348 72.065 197.835 1.00 79.14 ATOM 18 CA SER A 310 96.888 72.408 196.360 1.00 75.00 ATOM 19 CA ASP A 311 97.992 69.497 194.204 1.00 75.17 ATOM 20 CA PHE A 312 98.027 66.038 195.736 1.00 84.84 ATOM 21 CA GLY A 313 101.799 66.022 195.974 1.00 83.90 ATOM 22 CA GLY A 314 101.691 63.565 198.841 1.00 91.92 ATOM 23 CA VAL A 315 102.221 59.834 198.371 1.00 97.22 ATOM 24 CA ALA A 316 101.976 57.365 201.244 1.00103.71 ATOM 25 CA ILE A 317 102.797 53.654 201.169 1.00110.05 ATOM 26 CA ILE A 318 101.107 51.401 203.724 1.00111.40 ATOM 27 CA LYS A 319 102.387 47.878 204.365 1.00116.72 ATOM 28 CA TYR A 320 99.829 45.501 205.806 1.00122.13 ATOM 29 CA ALA A 321 98.830 41.940 206.591 1.00125.06 ATOM 30 CA ALA A 322 95.195 41.334 205.674 1.00125.81 ATOM 31 CA SER A 323 92.697 38.561 206.333 1.00126.38 ATOM 32 CA LYS A 324 91.240 38.112 202.845 1.00128.32 ATOM 33 CA LYS A 325 90.299 39.926 199.656 1.00135.76 ATOM 34 CA GLY A 326 87.648 42.612 199.326 1.00138.99 ATOM 35 CA LYS A 327 87.081 46.361 199.339 1.00132.25 ATOM 36 CA CYS A 328 88.033 48.647 202.217 1.00131.22 ATOM 37 CA ALA A 329 87.609 52.204 203.492 1.00123.95 ATOM 38 CA VAL A 330 90.300 54.855 203.927 1.00116.96 ATOM 39 CA HIS A 331 90.175 58.358 205.397 1.00115.80 ATOM 40 CA SER A 332 92.141 60.694 207.665 1.00114.36 ATOM 41 CA MET A 333 91.587 60.820 211.415 1.00111.12 ATOM 42 CA THR A 334 92.879 64.407 211.330 1.00101.38 ATOM 43 CA ASN A 335 91.193 67.032 209.161 1.00 92.07 ATOM 44 CA ALA A 336 94.578 68.700 208.580 1.00 93.18 ATOM 45 CA VAL A 337 95.064 66.347 205.603 1.00 95.51 ATOM 46 CA THR A 338 92.837 64.763 202.974 1.00 94.65 ATOM 47 CA ILE A 339 92.936 61.734 200.671 1.00100.04 ATOM 48 CA ARG A 340 91.443 61.518 197.186 1.00 99.75 ATOM 49 CA GLU A 341 90.597 57.830 197.559 1.00109.95 ATOM 50 CA ALA A 342 87.874 56.639 199.924 1.00117.98 ATOM 51 CA GLU A 343 87.895 52.898 199.180 1.00129.56 ATOM 52 CA ILE A 344 90.476 50.360 198.038 1.00131.78 ATOM 53 CA GLU A 345 90.845 46.612 197.547 1.00139.64 ATOM 54 CA VAL A 346 93.244 44.444 199.524 1.00137.77 ATOM 55 CA GLU A 347 95.277 41.318 198.769 1.00142.09 ATOM 56 CA GLY A 348 96.406 39.875 202.086 1.00133.19 ATOM 57 CA ASN A 349 100.134 40.615 202.354 1.00125.66 ATOM 58 CA SER A 350 100.791 43.467 199.929 1.00122.21 ATOM 59 CA GLN A 351 101.201 47.238 200.106 1.00113.62 ATOM 60 CA LEU A 352 99.152 49.957 198.436 1.00112.58 ATOM 61 CA GLN A 353 99.576 53.611 197.510 1.00104.65 ATOM 62 CA ILE A 354 97.203 56.379 198.608 1.00101.82 ATOM 63 CA SER A 355 97.134 59.815 196.989 1.00100.95 ATOM 64 CA PHE A 356 96.931 62.518 199.657 1.00 91.69 ATOM 65 CA SER A 357 98.100 66.060 200.341 1.00 88.83 ATOM 66 CA THR A 358 98.032 68.750 203.019 1.00 85.72 ATOM 67 CA ALA A 359 98.951 72.376 203.674 1.00 82.36 ATOM 68 CA LEU A 360 101.195 72.400 206.742 1.00 83.92 ATOM 69 CA ALA A 361 104.952 71.828 206.818 1.00 89.33 ATOM 70 CA SER A 362 105.399 68.645 208.868 1.00 97.12 ATOM 71 CA ALA A 363 102.905 65.914 207.960 1.00104.63 ATOM 72 CA GLU A 364 102.028 63.788 210.999 1.00109.75 ATOM 73 CA PHE A 365 98.554 62.297 211.308 1.00106.93 ATOM 74 CA ARG A 366 96.523 59.100 211.578 1.00109.68 ATOM 75 CA VAL A 367 94.550 57.267 208.901 1.00115.76 ATOM 76 CA GLN A 368 91.923 54.561 209.315 1.00120.44 ATOM 77 CA VAL A 369 91.837 51.491 207.061 1.00123.21 ATOM 78 CA CYS A 370 88.824 49.209 207.619 1.00130.47 ATOM 79 CA SER A 371 88.692 50.286 211.271 1.00125.00 ATOM 80 CA THR A 372 92.420 50.113 211.974 1.00127.47 ATOM 81 CA GLN A 373 94.423 53.006 213.401 1.00121.22 ATOM 82 CA VAL A 374 97.981 53.713 212.242 1.00118.95 ATOM 83 CA HIS A 375 100.403 56.600 212.696 1.00109.96 ATOM 84 CA CYS A 376 102.426 58.335 209.987 1.00110.50 ATOM 85 CA ALA A 377 105.089 61.036 209.893 1.00108.84 ATOM 86 CA ALA A 378 106.523 62.985 206.985 1.00107.37 ATOM 87 CA GLU A 379 108.563 65.998 205.922 1.00105.55 ATOM 88 CA CYS A 380 107.157 68.204 203.172 1.00 98.74 ATOM 89 CA HIS A 381 108.372 70.888 200.778 1.00 92.92 ATOM 90 CA PRO A 382 106.796 73.869 199.011 1.00 83.23 ATOM 91 CA PRO A 383 106.071 73.742 195.275 1.00 75.60 ATOM 92 CA LYS A 384 107.795 76.002 192.775 1.00 74.16 ATOM 93 CA ARG A 385 104.815 76.885 190.571 1.00 70.07 ATOM 94 CA THR A 386 103.671 79.942 192.496 1.00 77.83 ATOM 95 CA THR A 387 100.043 80.025 191.323 1.00 64.33 ATOM 96 CA VAL A 388 97.469 77.473 190.201 1.00 64.68 ATOM 97 CA TYR A 389 94.281 77.540 188.129 1.00 63.98 ATOM 98 CA TYR A 390 92.204 75.420 190.502 1.00 61.63 ATOM 99 CA PRO A 391 91.396 76.155 194.154 1.00 66.44 ATOM 100 CA ALA A 392 93.269 74.752 197.109 1.00 74.45 ATOM 101 CA SER A 393 91.926 71.694 198.923 1.00 89.97 TER