HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 7CVZ TITLE Cryo-EM structure of Chikungunya virus in complex with Fab fragments TITLE 2 of mAb CHK-263 COMPND MOL_ID: 1; COMPND 2 MOLECULE: E1 glycoprotein; COMPND 3 CHAIN: D, G, J, A; EXPDTA ELECTRON MICROSCOPY DBREF 7CVZ J 1 439 PDB 7CVZ 7CVZ 1 439 SEQRES 1 J 101 ALA PRO SER LEU THR ASP MET SER CYS GLU VAL PRO ALA SEQRES 2 J 101 CYS THR HIS SER SER ASP PHE GLY GLY VAL ALA ILE ILE SEQRES 3 J 101 LYS TYR ALA ALA SER LYS LYS GLY LYS CYS ALA VAL HIS SEQRES 4 J 101 SER MET THR ASN ALA VAL THR ILE ARG GLU ALA GLU ILE SEQRES 5 J 101 GLU VAL GLU GLY ASN SER GLN LEU GLN ILE SER PHE SER SEQRES 6 J 101 THR ALA LEU ALA SER ALA GLU PHE ARG VAL GLN VAL CYS SEQRES 7 J 101 SER THR GLN VAL HIS CYS ALA ALA GLU CYS HIS PRO PRO SEQRES 8 J 101 LYS ARG THR THR VAL TYR TYR PRO ALA SER ATOM 1 CA ALA J 293 108.497 73.889 238.825 1.00 80.21 ATOM 2 CA PRO J 294 111.887 73.391 237.107 1.00 78.20 ATOM 3 CA SER J 295 111.185 72.658 233.451 1.00 75.98 ATOM 4 CA LEU J 296 113.619 70.737 231.260 1.00 77.98 ATOM 5 CA THR J 297 114.156 70.114 227.553 1.00 87.27 ATOM 6 CA ASP J 298 116.042 67.789 225.195 1.00 96.88 ATOM 7 CA MET J 299 115.440 64.658 227.251 1.00 89.83 ATOM 8 CA SER J 300 116.841 61.526 225.608 1.00 86.08 ATOM 9 CA CYS J 301 115.994 57.892 226.324 1.00 79.29 ATOM 10 CA GLU J 302 118.717 55.259 226.724 1.00 73.04 ATOM 11 CA VAL J 303 118.014 51.731 227.966 1.00 67.99 ATOM 12 CA PRO J 304 121.176 49.725 228.715 1.00 76.64 ATOM 13 CA ALA J 305 119.281 46.493 229.425 1.00 72.32 ATOM 14 CA CYS J 306 115.803 45.390 230.500 1.00 68.07 ATOM 15 CA THR J 307 114.799 41.963 231.822 1.00 58.56 ATOM 16 CA HIS J 308 111.132 41.269 232.562 1.00 56.97 ATOM 17 CA SER J 309 111.095 39.760 236.056 1.00 48.36 ATOM 18 CA SER J 310 108.778 40.128 239.036 1.00 45.02 ATOM 19 CA ASP J 311 111.261 42.746 240.324 1.00 47.55 ATOM 20 CA PHE J 312 113.149 45.717 238.855 1.00 53.14 ATOM 21 CA GLY J 313 114.857 43.829 236.057 1.00 59.07 ATOM 22 CA GLY J 314 115.071 46.964 233.950 1.00 58.17 ATOM 23 CA VAL J 315 117.172 50.127 234.229 1.00 61.00 ATOM 24 CA ALA J 316 116.977 53.166 231.951 1.00 58.13 ATOM 25 CA ILE J 317 119.219 56.205 231.477 1.00 65.99 ATOM 26 CA ILE J 318 117.744 59.612 230.629 1.00 71.98 ATOM 27 CA LYS J 319 119.951 62.515 229.544 1.00 78.14 ATOM 28 CA TYR J 320 118.334 65.947 229.564 1.00 83.62 ATOM 29 CA ALA J 321 118.920 69.643 230.255 1.00 86.67 ATOM 30 CA ALA J 322 117.133 71.295 233.174 1.00 80.58 ATOM 31 CA SER J 323 116.561 74.860 234.382 1.00 78.54 ATOM 32 CA LYS J 324 117.011 75.101 238.168 1.00 81.54 ATOM 33 CA LYS J 325 117.162 73.086 241.379 1.00 88.47 ATOM 34 CA GLY J 326 114.238 71.154 242.823 1.00103.66 ATOM 35 CA LYS J 327 112.476 67.818 242.428 1.00102.35 ATOM 36 CA CYS J 328 110.520 66.444 239.469 1.00100.62 ATOM 37 CA ALA J 329 107.813 63.784 239.506 1.00 86.45 ATOM 38 CA VAL J 330 108.135 60.807 237.152 1.00 70.08 ATOM 39 CA HIS J 331 105.608 58.365 235.673 1.00 71.45 ATOM 40 CA SER J 332 104.969 56.491 232.424 1.00 74.15 ATOM 41 CA MET J 333 101.400 56.718 231.129 1.00 81.11 ATOM 42 CA THR J 334 101.556 53.289 229.456 1.00 74.48 ATOM 43 CA ASN J 335 100.331 51.017 232.251 1.00 63.31 ATOM 44 CA ALA J 336 102.280 48.051 230.840 1.00 49.30 ATOM 45 CA VAL J 337 105.521 49.366 232.354 1.00 45.54 ATOM 46 CA THR J 338 105.788 50.566 235.962 1.00 45.13 ATOM 47 CA ILE J 339 108.214 52.799 237.856 1.00 50.08 ATOM 48 CA ARG J 340 109.656 52.286 241.334 1.00 60.40 ATOM 49 CA GLU J 341 110.911 55.876 241.604 1.00 71.41 ATOM 50 CA ALA J 342 108.548 58.726 242.425 1.00 83.65 ATOM 51 CA GLU J 343 110.600 61.951 242.287 1.00 84.40 ATOM 52 CA ILE J 344 114.228 62.758 241.467 1.00 86.12 ATOM 53 CA GLU J 345 116.389 65.868 241.487 1.00 88.35 ATOM 54 CA VAL J 346 117.284 67.357 238.108 1.00 84.04 ATOM 55 CA GLU J 347 120.836 68.656 238.756 1.00 83.32 ATOM 56 CA GLY J 348 120.644 71.041 235.803 1.00 76.11 ATOM 57 CA ASN J 349 121.884 69.751 232.449 1.00 78.51 ATOM 58 CA SER J 350 122.515 66.315 233.950 1.00 78.79 ATOM 59 CA GLN J 351 121.295 62.737 233.501 1.00 75.66 ATOM 60 CA LEU J 352 119.483 60.320 235.804 1.00 69.84 ATOM 61 CA GLN J 353 118.862 56.583 235.996 1.00 69.02 ATOM 62 CA ILE J 354 115.585 54.831 236.770 1.00 63.45 ATOM 63 CA SER J 355 114.412 51.327 237.679 1.00 50.91 ATOM 64 CA PHE J 356 111.337 49.812 236.033 1.00 47.46 ATOM 65 CA SER J 357 109.586 46.496 235.444 1.00 45.12 ATOM 66 CA THR J 358 107.362 44.998 232.765 1.00 42.83 ATOM 67 CA ALA J 359 105.867 41.762 231.461 1.00 43.56 ATOM 68 CA LEU J 360 106.220 42.448 227.713 1.00 46.24 ATOM 69 CA ALA J 361 109.421 42.103 225.673 1.00 58.70 ATOM 70 CA SER J 362 109.564 44.913 223.077 1.00 64.52 ATOM 71 CA ALA J 363 110.002 47.849 225.458 1.00 67.05 ATOM 72 CA GLU J 364 108.647 50.921 223.641 1.00 64.15 ATOM 73 CA PHE J 365 106.859 52.739 226.479 1.00 68.10 ATOM 74 CA ARG J 366 106.502 56.508 226.896 1.00 71.25 ATOM 75 CA VAL J 367 107.649 58.179 230.120 1.00 73.29 ATOM 76 CA GLN J 368 106.980 61.623 231.581 1.00 75.97 ATOM 77 CA VAL J 369 108.843 64.024 233.880 1.00 76.30 ATOM 78 CA CYS J 370 107.313 67.451 234.638 1.00 91.90 ATOM 79 CA SER J 371 104.981 67.429 231.616 1.00 82.13 ATOM 80 CA THR J 372 107.534 66.177 229.075 1.00 79.99 ATOM 81 CA GLN J 373 107.117 63.315 226.606 1.00 81.76 ATOM 82 CA VAL J 374 109.810 60.844 225.530 1.00 72.17 ATOM 83 CA HIS J 375 109.820 57.121 224.743 1.00 63.66 ATOM 84 CA CYS J 376 112.204 54.332 225.784 1.00 66.78 ATOM 85 CA ALA J 377 112.597 52.007 222.805 1.00 61.92 ATOM 86 CA ALA J 378 114.343 48.813 223.866 1.00 70.58 ATOM 87 CA GLU J 379 114.590 45.052 223.457 1.00 78.22 ATOM 88 CA CYS J 380 114.218 43.088 226.685 1.00 75.45 ATOM 89 CA HIS J 381 115.778 39.745 227.453 1.00 68.58 ATOM 90 CA PRO J 382 113.850 37.007 229.234 1.00 59.72 ATOM 91 CA PRO J 383 115.100 36.335 232.761 1.00 51.77 ATOM 92 CA LYS J 384 117.581 33.574 233.513 1.00 59.27 ATOM 93 CA ARG J 385 116.130 30.063 233.456 1.00 61.14 ATOM 94 CA THR J 386 115.730 30.468 237.222 1.00 66.07 ATOM 95 CA THR J 387 112.016 29.720 237.612 1.00 54.39 ATOM 96 CA VAL J 388 109.648 30.723 240.478 1.00 41.22 ATOM 97 CA TYR J 389 111.485 32.403 243.359 1.00 41.78 ATOM 98 CA TYR J 390 109.613 35.510 244.477 1.00 38.36 ATOM 99 CA PRO J 391 106.554 36.128 246.692 1.00 37.92 ATOM 100 CA ALA J 392 105.357 39.269 244.863 1.00 40.07 ATOM 101 CA SER J 393 104.816 40.510 241.302 1.00 43.51 TER