HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 7CW3 TITLE Cryo-EM structure of Chikungunya virus in complex with mAb CHK-263 TITLE 2 IgG (subregion around icosahedral 2-fold vertex) COMPND MOL_ID: 1; COMPND 2 MOLECULE: E1 glycoprotein; COMPND 3 CHAIN: A, C, G, E, K, I, i, g, e, W, U, Y, S, c, a, Q, O, M; EXPDTA ELECTRON MICROSCOPY DBREF 7CW3 U 1 439 PDB 7CW3 7CW3 1 439 SEQRES 1 U 101 ALA PRO SER LEU THR ASP MET SER CYS GLU VAL PRO ALA SEQRES 2 U 101 CYS THR HIS SER SER ASP PHE GLY GLY VAL ALA ILE ILE SEQRES 3 U 101 LYS TYR ALA ALA SER LYS LYS GLY LYS CYS ALA VAL HIS SEQRES 4 U 101 SER MET THR ASN ALA VAL THR ILE ARG GLU ALA GLU ILE SEQRES 5 U 101 GLU VAL GLU GLY ASN SER GLN LEU GLN ILE SER PHE SER SEQRES 6 U 101 THR ALA LEU ALA SER ALA GLU PHE ARG VAL GLN VAL CYS SEQRES 7 U 101 SER THR GLN VAL HIS CYS ALA ALA GLU CYS HIS PRO PRO SEQRES 8 U 101 LYS ARG THR THR VAL TYR TYR PRO ALA SER ATOM 1 CA ALA U 293 -109.668 108.666 -51.129 1.00138.73 ATOM 2 CA PRO U 294 -106.378 110.204 -52.292 1.00144.47 ATOM 3 CA SER U 295 -105.165 109.149 -55.719 1.00143.65 ATOM 4 CA LEU U 296 -101.441 108.571 -55.646 1.00142.59 ATOM 5 CA THR U 297 -98.400 108.723 -57.914 1.00142.57 ATOM 6 CA ASP U 298 -94.623 109.134 -57.537 1.00140.49 ATOM 7 CA MET U 299 -94.307 105.736 -55.841 1.00143.80 ATOM 8 CA SER U 300 -90.634 104.767 -55.916 1.00136.88 ATOM 9 CA CYS U 301 -90.177 101.020 -55.497 1.00128.94 ATOM 10 CA GLU U 302 -87.614 99.943 -52.914 1.00127.14 ATOM 11 CA VAL U 303 -87.286 97.924 -49.739 1.00122.81 ATOM 12 CA PRO U 304 -85.040 98.630 -46.790 1.00120.13 ATOM 13 CA ALA U 305 -84.721 94.844 -46.374 1.00120.23 ATOM 14 CA CYS U 306 -86.615 91.594 -46.852 1.00114.06 ATOM 15 CA THR U 307 -85.864 88.075 -45.610 1.00103.30 ATOM 16 CA HIS U 308 -87.578 85.237 -47.460 1.00 98.15 ATOM 17 CA SER U 309 -88.511 82.789 -44.712 1.00 94.37 ATOM 18 CA SER U 310 -91.751 82.113 -42.838 1.00 92.43 ATOM 19 CA ASP U 311 -91.055 85.185 -40.682 1.00 98.30 ATOM 20 CA PHE U 312 -92.181 88.792 -41.188 1.00106.90 ATOM 21 CA GLY U 313 -88.618 89.663 -42.162 1.00112.41 ATOM 22 CA GLY U 314 -89.724 91.875 -45.016 1.00113.00 ATOM 23 CA VAL U 315 -90.685 95.524 -45.173 1.00119.39 ATOM 24 CA ALA U 316 -91.036 97.960 -48.072 1.00124.66 ATOM 25 CA ILE U 317 -90.760 101.746 -47.882 1.00124.24 ATOM 26 CA ILE U 318 -92.620 103.594 -50.624 1.00125.25 ATOM 27 CA LYS U 319 -91.771 107.253 -51.171 1.00131.34 ATOM 28 CA TYR U 320 -94.664 108.906 -52.953 1.00134.77 ATOM 29 CA ALA U 321 -96.987 111.863 -53.490 1.00138.62 ATOM 30 CA ALA U 322 -100.747 111.371 -53.143 1.00141.07 ATOM 31 CA SER U 323 -103.494 113.949 -53.643 1.00135.80 ATOM 32 CA LYS U 324 -105.793 114.427 -50.642 1.00134.83 ATOM 33 CA LYS U 325 -106.107 113.453 -47.005 1.00139.12 ATOM 34 CA GLY U 326 -107.545 110.015 -46.329 1.00152.29 ATOM 35 CA LYS U 327 -106.898 106.365 -45.546 1.00165.38 ATOM 36 CA CYS U 328 -105.817 103.777 -48.083 1.00168.87 ATOM 37 CA ALA U 329 -105.385 100.042 -48.682 1.00160.32 ATOM 38 CA VAL U 330 -102.410 97.907 -49.763 1.00145.36 ATOM 39 CA HIS U 331 -102.533 94.739 -51.876 1.00138.16 ATOM 40 CA SER U 332 -100.008 92.723 -53.836 1.00129.75 ATOM 41 CA MET U 333 -101.311 89.924 -56.074 1.00132.00 ATOM 42 CA THR U 334 -98.263 87.920 -55.098 1.00121.37 ATOM 43 CA ASN U 335 -99.913 85.580 -52.610 1.00119.69 ATOM 44 CA ALA U 336 -96.659 83.894 -51.559 1.00111.14 ATOM 45 CA VAL U 337 -95.544 87.286 -50.234 1.00113.18 ATOM 46 CA THR U 338 -98.079 88.107 -47.534 1.00110.46 ATOM 47 CA ILE U 339 -98.280 91.766 -46.536 1.00116.35 ATOM 48 CA ARG U 340 -98.762 92.420 -42.826 1.00118.41 ATOM 49 CA GLU U 341 -100.805 95.633 -42.792 1.00127.31 ATOM 50 CA ALA U 342 -102.910 97.354 -45.439 1.00148.12 ATOM 51 CA GLU U 343 -104.905 100.214 -43.885 1.00158.71 ATOM 52 CA ILE U 344 -102.724 103.321 -43.713 1.00156.19 ATOM 53 CA GLU U 345 -103.749 106.969 -43.594 1.00153.08 ATOM 54 CA VAL U 346 -101.733 108.780 -47.452 1.00149.55 ATOM 55 CA GLU U 347 -102.105 112.546 -46.805 1.00148.22 ATOM 56 CA GLY U 348 -100.685 113.748 -50.126 1.00142.27 ATOM 57 CA ASN U 349 -96.918 114.095 -50.407 1.00133.20 ATOM 58 CA SER U 350 -95.503 111.645 -47.865 1.00132.20 ATOM 59 CA GLN U 351 -93.924 108.230 -47.321 1.00130.65 ATOM 60 CA LEU U 352 -95.498 105.123 -45.814 1.00125.29 ATOM 61 CA GLN U 353 -94.447 101.682 -44.608 1.00121.95 ATOM 62 CA ILE U 354 -95.705 98.180 -45.266 1.00120.71 ATOM 63 CA SER U 355 -94.119 95.067 -43.795 1.00117.81 ATOM 64 CA PHE U 356 -94.572 91.576 -45.182 1.00112.60 ATOM 65 CA SER U 357 -93.714 87.934 -44.808 1.00109.35 ATOM 66 CA THR U 358 -91.378 87.302 -47.671 1.00108.98 ATOM 67 CA ALA U 359 -91.118 84.576 -50.289 1.00105.73 ATOM 68 CA LEU U 360 -89.178 85.626 -53.372 1.00109.73 ATOM 69 CA ALA U 361 -85.400 86.000 -53.479 1.00108.75 ATOM 70 CA SER U 362 -85.748 88.806 -56.014 1.00112.03 ATOM 71 CA ALA U 363 -89.152 90.122 -54.920 1.00115.93 ATOM 72 CA GLU U 364 -90.121 91.936 -58.127 1.00119.67 ATOM 73 CA PHE U 365 -93.895 92.273 -57.807 1.00124.30 ATOM 74 CA ARG U 366 -96.633 94.904 -57.981 1.00131.03 ATOM 75 CA VAL U 367 -98.765 96.483 -55.269 1.00130.25 ATOM 76 CA GLN U 368 -102.320 97.640 -55.910 1.00139.14 ATOM 77 CA VAL U 369 -102.716 100.779 -53.806 1.00146.26 ATOM 78 CA CYS U 370 -106.415 101.844 -53.902 1.00153.58 ATOM 79 CA SER U 371 -107.170 101.102 -57.601 1.00146.66 ATOM 80 CA THR U 372 -103.706 102.397 -58.590 1.00143.76 ATOM 81 CA GLN U 373 -100.934 100.076 -59.639 1.00139.53 ATOM 82 CA VAL U 374 -97.290 100.446 -58.652 1.00134.76 ATOM 83 CA HIS U 375 -94.601 97.813 -59.017 1.00123.57 ATOM 84 CA CYS U 376 -92.457 96.972 -55.978 1.00122.83 ATOM 85 CA ALA U 377 -88.760 96.197 -56.440 1.00115.16 ATOM 86 CA ALA U 378 -86.766 94.096 -53.969 1.00112.02 ATOM 87 CA GLU U 379 -83.713 91.862 -53.725 1.00110.39 ATOM 88 CA CYS U 380 -84.198 89.743 -50.634 1.00112.19 ATOM 89 CA HIS U 381 -81.964 87.969 -47.234 1.00106.22 ATOM 90 CA PRO U 382 -81.612 84.202 -47.128 1.00 96.39 ATOM 91 CA PRO U 383 -83.120 82.605 -44.025 1.00 91.19 ATOM 92 CA LYS U 384 -80.725 82.675 -41.079 1.00 88.07 ATOM 93 CA ARG U 385 -81.076 82.700 -37.291 1.00 80.77 ATOM 94 CA THR U 386 -85.332 84.041 -37.827 1.00 75.29 ATOM 95 CA THR U 387 -85.249 80.608 -34.969 1.00 75.76 ATOM 96 CA VAL U 388 -87.429 77.794 -33.502 1.00 76.88 ATOM 97 CA TYR U 389 -90.594 78.844 -31.904 1.00 62.69 ATOM 98 CA TYR U 390 -92.189 81.626 -35.034 1.00 77.60 ATOM 99 CA PRO U 391 -95.766 80.512 -34.373 1.00 85.25 ATOM 100 CA ALA U 392 -96.947 80.756 -37.997 1.00 99.11 ATOM 101 CA SER U 393 -96.098 80.241 -41.634 1.00123.22 TER