HEADER IMMUNE SYSTEM/VIRUS 31-DEC-69 7CVY TITLE Cryo-EM structure of Chikungunya virus in complex with Fab fragments TITLE 2 of mAb CHK-124 COMPND MOL_ID: 4; COMPND 2 MOLECULE: E1 glycoprotein; COMPND 3 CHAIN: F, A, P, K; COMPND 4 EC: 3.4.21.90; EXPDTA ELECTRON MICROSCOPY DBREF 7CVY K 1 439 UNP D7R998 D7R998_CHIK 810 1248 SEQRES 1 K 101 ALA PRO SER LEU THR ASP MET SER CYS GLU VAL PRO ALA SEQRES 2 K 101 CYS THR HIS SER SER ASP PHE GLY GLY VAL ALA ILE ILE SEQRES 3 K 101 LYS TYR ALA VAL SER LYS LYS GLY LYS CYS ALA VAL HIS SEQRES 4 K 101 SER MET THR ASN ALA VAL THR ILE ARG GLU ALA GLU ILE SEQRES 5 K 101 GLU VAL GLU GLY ASN SER GLN LEU GLN ILE SER PHE SER SEQRES 6 K 101 THR ALA LEU ALA SER ALA GLU PHE ARG VAL GLN VAL CYS SEQRES 7 K 101 SER THR GLN VAL HIS CYS ALA ALA GLU CYS HIS PRO PRO SEQRES 8 K 101 LYS ASP HIS ILE VAL ASN TYR PRO ALA SER ATOM 1 CA ALA K 293 114.554 102.592 224.636 1.00145.93 ATOM 2 CA PRO K 294 115.760 98.968 224.791 1.00126.93 ATOM 3 CA SER K 295 114.431 97.019 221.820 1.00114.49 ATOM 4 CA LEU K 296 113.779 93.294 221.944 1.00116.12 ATOM 5 CA THR K 297 114.917 90.721 219.412 1.00140.90 ATOM 6 CA ASP K 298 114.336 87.017 218.669 1.00156.79 ATOM 7 CA MET K 299 111.734 87.106 221.438 1.00123.03 ATOM 8 CA SER K 300 109.661 83.925 221.686 1.00108.63 ATOM 9 CA CYS K 301 106.487 83.425 223.712 1.00 92.40 ATOM 10 CA GLU K 302 105.041 80.224 225.137 1.00 93.44 ATOM 11 CA VAL K 303 102.363 79.132 227.591 1.00 83.74 ATOM 12 CA PRO K 304 102.814 76.586 230.388 1.00 74.89 ATOM 13 CA ALA K 305 99.062 76.445 230.992 1.00 75.49 ATOM 14 CA CYS K 306 96.019 78.674 231.315 1.00 70.43 ATOM 15 CA THR K 307 92.480 78.297 232.630 1.00 68.08 ATOM 16 CA HIS K 308 89.783 80.883 231.986 1.00 66.89 ATOM 17 CA SER K 309 88.591 82.130 235.368 1.00 51.07 ATOM 18 CA SER K 310 87.251 85.274 236.985 1.00 55.52 ATOM 19 CA ASP K 311 90.902 86.026 237.764 1.00 55.97 ATOM 20 CA PHE K 312 94.348 85.315 236.318 1.00 52.95 ATOM 21 CA GLY K 313 94.141 81.597 235.681 1.00 71.66 ATOM 22 CA GLY K 314 96.370 82.178 232.663 1.00 77.09 ATOM 23 CA VAL K 315 100.135 82.647 232.871 1.00 64.99 ATOM 24 CA ALA K 316 102.621 82.558 229.994 1.00 78.99 ATOM 25 CA ILE K 317 106.381 82.756 229.528 1.00 90.43 ATOM 26 CA ILE K 318 108.405 84.722 226.985 1.00 92.13 ATOM 27 CA LYS K 319 111.965 83.947 225.918 1.00103.64 ATOM 28 CA TYR K 320 113.668 86.993 224.500 1.00112.40 ATOM 29 CA ALA K 321 116.798 88.987 223.761 1.00124.18 ATOM 30 CA VAL K 322 117.107 92.758 224.150 1.00122.51 ATOM 31 CA SER K 323 119.698 95.460 223.554 1.00129.29 ATOM 32 CA LYS K 324 120.258 96.695 227.109 1.00144.22 ATOM 33 CA LYS K 325 118.863 96.583 230.625 1.00158.76 ATOM 34 CA GLY K 326 115.744 98.587 231.406 1.00144.87 ATOM 35 CA LYS K 327 112.031 98.360 232.061 1.00135.62 ATOM 36 CA CYS K 328 109.747 98.695 229.042 1.00138.74 ATOM 37 CA ALA K 329 105.976 98.501 228.857 1.00112.74 ATOM 38 CA VAL K 330 103.928 95.583 227.553 1.00 92.62 ATOM 39 CA HIS K 331 100.532 95.236 225.926 1.00 79.81 ATOM 40 CA SER K 332 98.331 92.751 224.094 1.00 80.39 ATOM 41 CA MET K 333 96.911 94.543 221.068 1.00 74.19 ATOM 42 CA THR K 334 94.381 91.714 220.874 1.00 65.50 ATOM 43 CA ASN K 335 91.121 92.673 222.555 1.00 44.78 ATOM 44 CA ALA K 336 90.374 89.315 224.172 1.00 42.93 ATOM 45 CA VAL K 337 93.436 88.869 226.370 1.00 59.28 ATOM 46 CA THR K 338 94.152 91.199 229.281 1.00 49.70 ATOM 47 CA ILE K 339 97.133 91.628 231.596 1.00 53.59 ATOM 48 CA ARG K 340 97.738 92.898 235.122 1.00 62.29 ATOM 49 CA GLU K 341 101.476 93.608 235.055 1.00 75.87 ATOM 50 CA ALA K 342 102.672 96.808 233.386 1.00 82.43 ATOM 51 CA GLU K 343 106.418 96.730 232.684 1.00111.33 ATOM 52 CA ILE K 344 109.517 94.788 233.714 1.00144.50 ATOM 53 CA GLU K 345 113.247 95.125 233.198 1.00158.47 ATOM 54 CA VAL K 346 114.841 92.526 230.940 1.00148.48 ATOM 55 CA GLU K 347 118.656 92.930 231.373 1.00157.49 ATOM 56 CA GLY K 348 119.679 91.421 228.073 1.00140.54 ATOM 57 CA ASN K 349 119.075 87.785 227.210 1.00129.73 ATOM 58 CA SER K 350 116.940 86.430 230.054 1.00123.16 ATOM 59 CA GLN K 351 113.508 84.965 230.799 1.00107.57 ATOM 60 CA LEU K 352 110.244 86.704 231.660 1.00 91.98 ATOM 61 CA GLN K 353 106.987 85.439 233.167 1.00 87.80 ATOM 62 CA ILE K 354 103.618 86.996 232.326 1.00 80.93 ATOM 63 CA SER K 355 100.136 86.314 233.685 1.00 70.88 ATOM 64 CA PHE K 356 96.896 87.222 231.941 1.00 55.03 ATOM 65 CA SER K 357 93.166 86.549 231.745 1.00 57.55 ATOM 66 CA THR K 358 90.446 85.811 229.195 1.00 77.30 ATOM 67 CA ALA K 359 87.276 83.799 228.804 1.00 65.93 ATOM 68 CA LEU K 360 88.416 82.582 225.397 1.00 72.85 ATOM 69 CA ALA K 361 89.332 78.904 225.281 1.00 80.50 ATOM 70 CA SER K 362 92.350 79.178 222.929 1.00103.59 ATOM 71 CA ALA K 363 94.610 82.174 223.544 1.00120.54 ATOM 72 CA GLU K 364 95.834 82.662 219.989 1.00116.05 ATOM 73 CA PHE K 365 96.569 86.366 219.960 1.00 85.13 ATOM 74 CA ARG K 366 99.126 89.163 219.649 1.00 85.25 ATOM 75 CA VAL K 367 101.108 91.154 222.214 1.00 79.02 ATOM 76 CA GLN K 368 103.124 94.322 221.648 1.00 95.74 ATOM 77 CA VAL K 369 105.886 94.369 224.258 1.00 96.69 ATOM 78 CA CYS K 370 107.277 97.924 224.220 1.00104.37 ATOM 79 CA SER K 371 106.837 98.016 220.438 1.00 98.32 ATOM 80 CA THR K 372 107.736 94.346 219.912 1.00 94.15 ATOM 81 CA GLN K 373 105.094 92.028 218.469 1.00 82.32 ATOM 82 CA VAL K 374 104.645 88.257 218.532 1.00 83.19 ATOM 83 CA HIS K 375 101.851 85.729 218.091 1.00 88.36 ATOM 84 CA CYS K 376 101.048 83.717 221.215 1.00101.62 ATOM 85 CA ALA K 377 99.237 80.381 220.936 1.00120.42 ATOM 86 CA ALA K 378 97.616 78.740 223.943 1.00114.78 ATOM 87 CA GLU K 379 94.890 76.402 225.158 1.00100.64 ATOM 88 CA CYS K 380 92.615 77.213 228.072 1.00 88.87 ATOM 89 CA HIS K 381 90.611 75.236 230.627 1.00 72.72 ATOM 90 CA PRO K 382 87.558 75.660 232.858 1.00 53.72 ATOM 91 CA PRO K 383 87.524 75.493 236.648 1.00 44.87 ATOM 92 CA LYS K 384 84.715 73.793 238.571 1.00 66.07 ATOM 93 CA ASP K 385 81.344 75.389 239.381 1.00 57.87 ATOM 94 CA HIS K 386 82.620 78.464 241.187 1.00 44.81 ATOM 95 CA ILE K 387 81.463 81.953 242.084 1.00 31.63 ATOM 96 CA VAL K 388 84.177 84.410 243.048 1.00 42.23 ATOM 97 CA ASN K 389 83.650 87.563 245.083 1.00 39.86 ATOM 98 CA TYR K 390 85.218 89.760 242.445 1.00 44.37 ATOM 99 CA PRO K 391 83.898 89.906 238.871 1.00 47.48 ATOM 100 CA ALA K 392 85.638 88.535 235.794 1.00 66.25 ATOM 101 CA SER K 393 88.848 90.499 235.289 1.00 69.56 TER