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 P 1 439 UNP D7R998 D7R998_CHIK 810 1248 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 VAL 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 ASP HIS ILE VAL ASN TYR PRO ALA SER ATOM 1 CA ALA P 293 -12.561 125.750 245.994 1.00 14.06 ATOM 2 CA PRO P 294 -10.285 128.191 244.132 1.00 17.14 ATOM 3 CA SER P 295 -9.908 127.124 240.511 1.00 28.94 ATOM 4 CA LEU P 296 -6.824 127.899 238.460 1.00 47.23 ATOM 5 CA THR P 297 -6.745 129.393 234.983 1.00 70.70 ATOM 6 CA ASP P 298 -4.173 130.063 232.237 1.00107.79 ATOM 7 CA MET P 299 -1.696 128.173 234.416 1.00 70.37 ATOM 8 CA SER P 300 1.626 127.477 232.696 1.00 55.95 ATOM 9 CA CYS P 301 4.367 125.140 233.898 1.00 35.13 ATOM 10 CA GLU P 302 8.086 125.243 233.169 1.00 52.72 ATOM 11 CA VAL P 303 11.297 123.653 234.414 1.00 35.88 ATOM 12 CA PRO P 304 14.504 125.510 235.290 1.00 35.48 ATOM 13 CA ALA P 305 16.448 122.248 235.495 1.00 22.03 ATOM 14 CA CYS P 306 16.202 118.723 236.856 1.00 21.35 ATOM 15 CA THR P 307 18.618 115.875 237.523 1.00 27.94 ATOM 16 CA HIS P 308 17.447 112.356 238.312 1.00 38.75 ATOM 17 CA SER P 309 18.828 111.451 241.729 1.00 41.17 ATOM 18 CA SER P 310 17.915 109.394 244.768 1.00 56.46 ATOM 19 CA ASP P 311 16.306 112.602 246.040 1.00 39.97 ATOM 20 CA PHE P 312 14.662 115.735 244.642 1.00 32.74 ATOM 21 CA GLY P 313 17.152 116.771 241.995 1.00 12.33 ATOM 22 CA GLY P 314 14.196 118.030 239.972 1.00 26.21 ATOM 23 CA VAL P 315 12.443 121.338 240.620 1.00 30.07 ATOM 24 CA ALA P 316 9.954 123.101 238.347 1.00 33.89 ATOM 25 CA ILE P 317 8.040 126.376 238.288 1.00 53.46 ATOM 26 CA ILE P 318 4.399 127.037 237.430 1.00 34.22 ATOM 27 CA LYS P 319 2.961 130.368 236.314 1.00 52.63 ATOM 28 CA TYR P 320 -0.743 130.555 236.975 1.00 42.19 ATOM 29 CA ALA P 321 -3.879 132.554 237.676 1.00 50.68 ATOM 30 CA VAL P 322 -6.582 131.546 240.154 1.00 43.38 ATOM 31 CA SER P 323 -9.946 132.824 241.345 1.00 31.99 ATOM 32 CA LYS P 324 -9.169 133.556 244.996 1.00 30.74 ATOM 33 CA LYS P 325 -6.629 132.981 247.742 1.00 56.35 ATOM 34 CA GLY P 326 -6.431 129.556 249.346 1.00 68.88 ATOM 35 CA LYS P 327 -4.412 126.370 249.547 1.00 53.62 ATOM 36 CA CYS P 328 -5.365 123.596 247.130 1.00 56.13 ATOM 37 CA ALA P 329 -3.800 120.187 246.656 1.00 69.74 ATOM 38 CA VAL P 330 -1.519 119.127 243.813 1.00 43.08 ATOM 39 CA HIS P 331 -0.769 115.846 242.089 1.00 26.69 ATOM 40 CA SER P 332 0.968 114.391 239.051 1.00 35.25 ATOM 41 CA MET P 333 -1.414 111.877 237.503 1.00 35.97 ATOM 42 CA THR P 334 1.594 110.554 235.595 1.00 32.84 ATOM 43 CA ASN P 335 3.106 107.545 237.337 1.00 20.68 ATOM 44 CA ALA P 336 6.762 108.380 236.717 1.00 23.30 ATOM 45 CA VAL P 337 7.041 111.751 238.440 1.00 33.88 ATOM 46 CA THR P 338 6.598 112.108 242.193 1.00 97.25 ATOM 47 CA ILE P 339 6.325 115.111 244.506 1.00 48.36 ATOM 48 CA ARG P 340 7.042 115.866 248.156 1.00 43.83 ATOM 49 CA GLU P 341 4.973 119.010 248.714 1.00 59.67 ATOM 50 CA ALA P 342 1.226 118.632 249.229 1.00 34.15 ATOM 51 CA GLU P 343 -0.607 121.949 248.818 1.00 43.09 ATOM 52 CA ILE P 344 0.134 125.675 248.734 1.00 44.26 ATOM 53 CA GLU P 345 -1.899 128.863 248.712 1.00 59.04 ATOM 54 CA VAL P 346 -1.836 130.835 245.471 1.00 49.93 ATOM 55 CA GLU P 347 -3.441 134.254 246.270 1.00 62.20 ATOM 56 CA GLY P 348 -4.517 135.115 242.760 1.00 55.77 ATOM 57 CA ASN P 349 -2.049 135.715 239.953 1.00 54.25 ATOM 58 CA SER P 350 1.347 134.789 241.399 1.00 44.09 ATOM 59 CA GLN P 351 4.216 132.325 240.986 1.00 54.91 ATOM 60 CA LEU P 352 4.711 128.876 242.497 1.00 37.56 ATOM 61 CA GLN P 353 7.773 126.642 242.834 1.00 49.00 ATOM 62 CA ILE P 354 7.528 122.844 242.838 1.00 33.44 ATOM 63 CA SER P 355 10.169 120.166 243.371 1.00 47.16 ATOM 64 CA PHE P 356 9.865 116.552 242.273 1.00 37.24 ATOM 65 CA SER P 357 11.762 113.352 241.521 1.00 81.03 ATOM 66 CA THR P 358 12.031 110.656 238.855 1.00 59.72 ATOM 67 CA ALA P 359 14.587 108.415 237.214 1.00 49.25 ATOM 68 CA LEU P 360 13.191 109.257 233.789 1.00 40.42 ATOM 69 CA ALA P 361 15.478 111.401 231.656 1.00 50.48 ATOM 70 CA SER P 362 12.790 113.617 230.050 1.00 44.51 ATOM 71 CA ALA P 363 9.994 114.714 232.383 1.00 45.13 ATOM 72 CA GLU P 364 7.224 114.988 229.810 1.00 38.46 ATOM 73 CA PHE P 365 4.173 114.314 231.930 1.00 25.44 ATOM 74 CA ARG P 366 0.906 115.580 233.407 1.00 31.93 ATOM 75 CA VAL P 367 0.016 117.151 236.755 1.00 45.60 ATOM 76 CA GLN P 368 -3.445 117.741 238.202 1.00 80.88 ATOM 77 CA VAL P 369 -3.188 120.736 240.528 1.00 97.25 ATOM 78 CA CYS P 370 -6.398 120.714 242.593 1.00 97.25 ATOM 79 CA SER P 371 -8.327 119.569 239.516 1.00124.58 ATOM 80 CA THR P 372 -6.259 121.618 237.050 1.00 97.25 ATOM 81 CA GLN P 373 -4.257 119.773 234.400 1.00 60.09 ATOM 82 CA VAL P 374 -1.253 120.739 232.285 1.00 44.97 ATOM 83 CA HIS P 375 1.506 119.018 230.331 1.00 38.22 ATOM 84 CA CYS P 376 5.001 119.598 231.707 1.00 47.17 ATOM 85 CA ALA P 377 8.048 119.098 229.482 1.00 48.64 ATOM 86 CA ALA P 378 11.536 118.775 230.929 1.00 56.98 ATOM 87 CA GLU P 379 15.019 117.359 230.446 1.00 45.26 ATOM 88 CA CYS P 380 16.908 115.535 233.172 1.00 42.48 ATOM 89 CA HIS P 381 20.556 114.899 234.035 1.00 35.21 ATOM 90 CA PRO P 382 22.676 112.376 235.936 1.00 29.00 ATOM 91 CA PRO P 383 24.856 113.116 238.953 1.00 23.92 ATOM 92 CA LYS P 384 28.282 111.527 239.408 1.00 23.93 ATOM 93 CA ASP P 385 28.899 108.023 240.790 1.00 17.31 ATOM 94 CA HIS P 386 27.083 108.415 244.091 1.00 16.01 ATOM 95 CA ILE P 387 25.454 106.265 246.744 1.00 11.39 ATOM 96 CA VAL P 388 23.062 108.036 249.083 1.00 18.37 ATOM 97 CA ASN P 389 22.041 106.797 252.516 1.00 33.45 ATOM 98 CA TYR P 390 18.361 106.940 251.685 1.00 26.21 ATOM 99 CA PRO P 391 16.860 105.011 248.759 1.00 27.81 ATOM 100 CA ALA P 392 15.513 106.518 245.551 1.00 97.25 ATOM 101 CA SER P 393 12.494 108.645 246.432 1.00 97.25 TER