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 a 1 439 PDB 7CW3 7CW3 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 36.571 152.332 -59.484 1.00134.83 ATOM 2 CA PRO a 294 39.572 150.114 -60.265 1.00123.36 ATOM 3 CA SER a 295 39.434 148.213 -63.536 1.00135.85 ATOM 4 CA LEU a 296 40.727 144.707 -63.044 1.00146.08 ATOM 5 CA THR a 297 42.462 141.922 -64.955 1.00155.65 ATOM 6 CA ASP a 298 44.628 138.881 -64.153 1.00154.53 ATOM 7 CA MET a 299 41.717 137.116 -62.441 1.00155.74 ATOM 8 CA SER a 300 42.653 133.450 -62.103 1.00147.07 ATOM 9 CA CYS a 301 39.578 131.267 -61.645 1.00137.82 ATOM 10 CA GLU a 302 39.730 128.770 -58.792 1.00128.63 ATOM 11 CA VAL a 303 37.945 127.809 -55.606 1.00121.25 ATOM 12 CA PRO a 304 39.479 126.491 -52.420 1.00115.91 ATOM 13 CA ALA a 305 36.304 124.410 -51.981 1.00120.26 ATOM 14 CA CYS a 306 32.578 124.423 -52.677 1.00117.28 ATOM 15 CA THR a 307 29.797 122.177 -51.367 1.00115.46 ATOM 16 CA HIS a 308 26.595 122.101 -53.405 1.00110.88 ATOM 17 CA SER a 309 23.848 121.985 -50.786 1.00110.94 ATOM 18 CA SER a 310 21.583 124.650 -49.292 1.00112.88 ATOM 19 CA ASP a 311 24.479 125.752 -47.063 1.00125.28 ATOM 20 CA PHE a 312 27.113 128.438 -47.684 1.00136.65 ATOM 21 CA GLY a 313 29.654 125.677 -48.248 1.00121.60 ATOM 22 CA GLY a 314 31.212 127.436 -51.203 1.00116.70 ATOM 23 CA VAL a 315 33.942 130.033 -51.458 1.00118.72 ATOM 24 CA ALA a 316 36.066 131.244 -54.372 1.00122.87 ATOM 25 CA ILE a 317 39.494 132.868 -54.142 1.00129.09 ATOM 26 CA ILE a 318 40.365 135.116 -57.072 1.00136.13 ATOM 27 CA LYS a 319 44.001 136.108 -57.510 1.00142.12 ATOM 28 CA TYR a 320 44.146 139.251 -59.604 1.00144.55 ATOM 29 CA ALA a 321 45.635 142.656 -60.392 1.00148.00 ATOM 30 CA ALA a 322 43.365 145.713 -60.472 1.00140.69 ATOM 31 CA SER a 323 44.316 149.305 -61.273 1.00126.44 ATOM 32 CA LYS a 324 43.449 151.824 -58.549 1.00129.32 ATOM 33 CA LYS a 325 42.239 151.976 -54.973 1.00138.26 ATOM 34 CA GLY a 326 38.502 151.614 -54.472 1.00150.82 ATOM 35 CA LYS a 327 35.583 149.350 -53.630 1.00150.44 ATOM 36 CA CYS a 328 33.992 146.903 -56.036 1.00152.39 ATOM 37 CA ALA a 329 30.973 144.650 -56.592 1.00144.95 ATOM 38 CA VAL a 330 30.611 140.923 -57.335 1.00142.32 ATOM 39 CA HIS a 331 27.906 139.280 -59.456 1.00136.65 ATOM 40 CA SER a 332 27.480 135.916 -61.125 1.00131.33 ATOM 41 CA MET a 333 24.532 135.465 -63.502 1.00132.37 ATOM 42 CA THR a 334 24.202 131.938 -62.194 1.00125.59 ATOM 43 CA ASN a 335 21.219 132.472 -59.914 1.00117.40 ATOM 44 CA ALA a 336 21.261 128.928 -58.506 1.00113.87 ATOM 45 CA VAL a 337 24.687 129.742 -57.056 1.00119.05 ATOM 46 CA THR a 338 24.023 132.605 -54.657 1.00116.60 ATOM 47 CA ILE a 339 27.063 134.660 -53.678 1.00119.06 ATOM 48 CA ARG a 340 27.189 135.758 -50.045 1.00118.40 ATOM 49 CA GLU a 341 29.004 139.100 -50.234 1.00123.04 ATOM 50 CA ALA a 342 29.639 141.508 -53.096 1.00137.26 ATOM 51 CA GLU a 343 31.082 144.784 -51.770 1.00141.36 ATOM 52 CA ILE a 344 34.841 144.423 -51.346 1.00146.34 ATOM 53 CA GLU a 345 37.523 147.101 -51.334 1.00151.44 ATOM 54 CA VAL a 346 40.301 145.860 -54.935 1.00150.52 ATOM 55 CA GLU a 347 43.372 148.080 -54.325 1.00152.27 ATOM 56 CA GLY a 348 45.299 147.111 -57.461 1.00148.16 ATOM 57 CA ASN a 349 47.441 143.984 -57.315 1.00147.28 ATOM 58 CA SER a 350 45.842 141.809 -54.636 1.00146.37 ATOM 59 CA GLN a 351 43.593 138.827 -53.925 1.00142.19 ATOM 60 CA LEU a 352 40.032 138.826 -52.614 1.00134.51 ATOM 61 CA GLN a 353 37.466 136.354 -51.306 1.00126.38 ATOM 62 CA ILE a 354 33.838 135.675 -52.110 1.00117.69 ATOM 63 CA SER a 355 31.803 132.924 -50.477 1.00120.26 ATOM 64 CA PHE a 356 28.615 131.481 -51.915 1.00117.26 ATOM 65 CA SER a 357 25.829 128.998 -51.456 1.00113.37 ATOM 66 CA THR a 358 26.571 126.385 -54.039 1.00114.90 ATOM 67 CA ALA a 359 24.466 124.576 -56.617 1.00107.99 ATOM 68 CA LEU a 360 26.498 123.104 -59.460 1.00105.87 ATOM 69 CA ALA a 361 28.659 119.998 -59.139 1.00106.29 ATOM 70 CA SER a 362 31.086 121.421 -61.690 1.00105.73 ATOM 71 CA ALA a 363 30.525 125.122 -60.983 1.00112.32 ATOM 72 CA GLU a 364 31.823 126.535 -64.275 1.00119.51 ATOM 73 CA PHE a 365 30.272 130.006 -64.381 1.00125.13 ATOM 74 CA ARG a 366 31.254 133.647 -64.857 1.00134.00 ATOM 75 CA VAL a 367 31.446 136.530 -62.399 1.00136.67 ATOM 76 CA GLN a 368 30.773 140.117 -63.434 1.00145.81 ATOM 77 CA VAL a 369 33.202 142.195 -61.380 1.00148.32 ATOM 78 CA CYS a 370 32.347 145.914 -61.889 1.00156.11 ATOM 79 CA SER a 371 31.545 145.848 -65.652 1.00153.47 ATOM 80 CA THR a 372 34.409 143.377 -66.240 1.00151.32 ATOM 81 CA GLN a 373 33.783 139.738 -66.976 1.00144.17 ATOM 82 CA VAL a 374 35.814 136.853 -65.584 1.00138.98 ATOM 83 CA HIS a 375 34.837 133.200 -65.650 1.00128.82 ATOM 84 CA CYS a 376 34.967 131.226 -62.390 1.00127.49 ATOM 85 CA ALA a 377 36.106 127.595 -62.435 1.00119.47 ATOM 86 CA ALA a 378 35.095 125.081 -59.760 1.00112.79 ATOM 87 CA GLU a 379 34.608 121.366 -59.179 1.00113.81 ATOM 88 CA CYS a 380 32.346 121.056 -56.168 1.00114.32 ATOM 89 CA HIS a 381 31.685 118.583 -52.541 1.00109.50 ATOM 90 CA PRO a 382 28.560 116.452 -52.406 1.00 99.41 ATOM 91 CA PRO a 383 26.258 117.285 -49.497 1.00 95.98 ATOM 92 CA LYS a 384 27.310 115.526 -46.299 1.00 94.99 ATOM 93 CA ARG a 385 26.945 116.212 -42.575 1.00 76.35 ATOM 94 CA THR a 386 26.087 120.507 -43.584 1.00 68.61 ATOM 95 CA THR a 387 22.966 119.039 -40.744 1.00105.14 ATOM 96 CA VAL a 388 19.371 119.702 -39.539 1.00 82.73 ATOM 97 CA TYR a 389 18.664 123.116 -38.305 1.00 73.96 ATOM 98 CA TYR a 390 20.500 125.551 -41.588 1.00 86.40 ATOM 99 CA PRO a 391 17.758 128.177 -41.338 1.00 91.21 ATOM 100 CA ALA a 392 17.606 128.968 -45.071 1.00113.62 ATOM 101 CA SER a 393 17.776 127.626 -48.591 1.00126.83 TER