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 G 1 439 PDB 7CVZ 7CVZ 1 439 SEQRES 1 G 101 ALA PRO SER LEU THR ASP MET SER CYS GLU VAL PRO ALA SEQRES 2 G 101 CYS THR HIS SER SER ASP PHE GLY GLY VAL ALA ILE ILE SEQRES 3 G 101 LYS TYR ALA ALA SER LYS LYS GLY LYS CYS ALA VAL HIS SEQRES 4 G 101 SER MET THR ASN ALA VAL THR ILE ARG GLU ALA GLU ILE SEQRES 5 G 101 GLU VAL GLU GLY ASN SER GLN LEU GLN ILE SER PHE SER SEQRES 6 G 101 THR ALA LEU ALA SER ALA GLU PHE ARG VAL GLN VAL CYS SEQRES 7 G 101 SER THR GLN VAL HIS CYS ALA ALA GLU CYS HIS PRO PRO SEQRES 8 G 101 LYS ARG THR THR VAL TYR TYR PRO ALA SER ATOM 1 CA ALA G 293 34.385 6.970 270.840 1.00103.53 ATOM 2 CA PRO G 294 30.581 7.348 271.109 1.00 98.44 ATOM 3 CA SER G 295 29.179 7.029 267.597 1.00 91.38 ATOM 4 CA LEU G 296 25.851 8.553 266.591 1.00 91.49 ATOM 5 CA THR G 297 23.383 8.242 263.722 1.00 98.93 ATOM 6 CA ASP G 298 20.405 10.054 262.183 1.00100.75 ATOM 7 CA MET G 299 21.840 13.533 262.660 1.00101.22 ATOM 8 CA SER G 300 19.609 16.257 261.219 1.00100.19 ATOM 9 CA CYS G 301 20.507 19.845 260.352 1.00 98.80 ATOM 10 CA GLU G 302 18.280 22.756 261.388 1.00 93.05 ATOM 11 CA VAL G 303 19.343 26.395 261.049 1.00 82.91 ATOM 12 CA PRO G 304 16.965 28.839 262.768 1.00 84.57 ATOM 13 CA ALA G 305 18.766 31.932 261.455 1.00 85.33 ATOM 14 CA CYS G 306 22.214 32.915 260.183 1.00 75.99 ATOM 15 CA THR G 307 23.579 36.447 259.777 1.00 60.98 ATOM 16 CA HIS G 308 27.031 36.930 258.250 1.00 63.71 ATOM 17 CA SER G 309 28.846 39.284 260.627 1.00 56.84 ATOM 18 CA SER G 310 32.413 39.468 261.902 1.00 47.24 ATOM 19 CA ASP G 311 31.150 37.544 264.966 1.00 54.99 ATOM 20 CA PHE G 312 28.935 34.502 265.594 1.00 64.87 ATOM 21 CA GLY G 313 25.896 35.763 263.726 1.00 63.17 ATOM 22 CA GLY G 314 24.761 32.227 263.003 1.00 66.32 ATOM 23 CA VAL G 315 23.311 29.477 265.202 1.00 82.59 ATOM 24 CA ALA G 316 22.425 25.947 264.101 1.00 81.53 ATOM 25 CA ILE G 317 20.447 23.135 265.734 1.00 86.55 ATOM 26 CA ILE G 318 21.425 19.493 265.209 1.00 82.71 ATOM 27 CA LYS G 319 19.142 16.649 266.295 1.00 88.33 ATOM 28 CA TYR G 320 20.705 13.194 266.400 1.00 99.39 ATOM 29 CA ALA G 321 20.783 9.885 268.278 1.00103.68 ATOM 30 CA ALA G 322 23.940 8.874 270.137 1.00107.80 ATOM 31 CA SER G 323 25.263 5.708 271.784 1.00110.02 ATOM 32 CA LYS G 324 26.919 6.507 275.132 1.00104.33 ATOM 33 CA LYS G 325 28.396 9.292 277.242 1.00101.55 ATOM 34 CA GLY G 326 31.529 11.223 276.333 1.00105.28 ATOM 35 CA LYS G 327 32.622 14.143 274.171 1.00110.16 ATOM 36 CA CYS G 328 32.615 14.492 270.384 1.00 93.29 ATOM 37 CA ALA G 329 34.773 16.779 268.257 1.00 85.14 ATOM 38 CA VAL G 330 33.081 19.058 265.717 1.00 73.97 ATOM 39 CA HIS G 331 34.289 20.759 262.526 1.00 73.64 ATOM 40 CA SER G 332 32.990 21.648 259.062 1.00 75.38 ATOM 41 CA MET G 333 35.321 20.727 256.201 1.00 82.48 ATOM 42 CA THR G 334 34.107 23.601 253.997 1.00 67.37 ATOM 43 CA ASN G 335 36.510 26.384 254.977 1.00 64.67 ATOM 44 CA ALA G 336 33.949 29.064 254.056 1.00 56.63 ATOM 45 CA VAL G 337 32.096 28.527 257.344 1.00 53.58 ATOM 46 CA THR G 338 33.864 28.340 260.716 1.00 53.76 ATOM 47 CA ILE G 339 32.952 26.938 264.129 1.00 58.80 ATOM 48 CA ARG G 340 33.565 28.483 267.547 1.00 62.38 ATOM 49 CA GLU G 341 32.848 25.234 269.410 1.00 67.76 ATOM 50 CA ALA G 342 35.436 22.470 269.606 1.00 74.69 ATOM 51 CA GLU G 343 33.808 19.548 271.461 1.00 89.91 ATOM 52 CA ILE G 344 30.354 18.931 272.935 1.00 87.84 ATOM 53 CA GLU G 345 28.711 16.172 274.943 1.00 94.01 ATOM 54 CA VAL G 346 26.232 13.954 273.105 1.00 90.63 ATOM 55 CA GLU G 347 23.653 13.239 275.855 1.00100.04 ATOM 56 CA GLY G 348 22.369 10.162 274.033 1.00103.13 ATOM 57 CA ASN G 349 19.460 10.655 271.635 1.00104.02 ATOM 58 CA SER G 350 19.542 14.410 272.232 1.00102.87 ATOM 59 CA GLN G 351 20.135 17.603 270.248 1.00101.01 ATOM 60 CA LEU G 352 22.761 20.337 270.482 1.00 88.36 ATOM 61 CA GLN G 353 23.183 23.911 269.284 1.00 77.94 ATOM 62 CA ILE G 354 26.265 25.460 267.699 1.00 76.99 ATOM 63 CA SER G 355 27.548 28.940 266.851 1.00 65.01 ATOM 64 CA PHE G 356 29.180 29.651 263.491 1.00 67.77 ATOM 65 CA SER G 357 30.161 32.503 261.185 1.00 62.95 ATOM 66 CA THR G 358 30.524 33.016 257.447 1.00 57.63 ATOM 67 CA ALA G 359 30.910 35.631 254.723 1.00 56.46 ATOM 68 CA LEU G 360 28.648 34.034 252.083 1.00 64.29 ATOM 69 CA ALA G 361 24.840 34.162 252.035 1.00 77.60 ATOM 70 CA SER G 362 23.486 30.804 250.793 1.00 74.53 ATOM 71 CA ALA G 363 24.549 28.649 253.744 1.00 75.67 ATOM 72 CA GLU G 364 24.889 25.088 252.410 1.00 74.29 ATOM 73 CA PHE G 365 28.014 23.898 254.248 1.00 76.37 ATOM 74 CA ARG G 366 28.743 20.351 255.429 1.00 83.78 ATOM 75 CA VAL G 367 29.591 19.702 259.085 1.00 84.52 ATOM 76 CA GLN G 368 31.124 16.707 260.851 1.00 90.23 ATOM 77 CA VAL G 369 30.911 15.191 264.340 1.00 91.02 ATOM 78 CA CYS G 370 32.795 11.941 265.083 1.00 97.18 ATOM 79 CA SER G 371 33.147 10.937 261.417 1.00 93.51 ATOM 80 CA THR G 372 29.567 11.739 260.376 1.00 90.70 ATOM 81 CA GLN G 373 28.443 13.803 257.385 1.00 81.78 ATOM 82 CA VAL G 374 25.461 16.171 257.263 1.00 78.32 ATOM 83 CA HIS G 375 24.828 19.542 255.614 1.00 77.84 ATOM 84 CA CYS G 376 23.221 22.735 256.944 1.00 75.66 ATOM 85 CA ALA G 377 21.170 24.233 254.118 1.00 72.10 ATOM 86 CA ALA G 378 20.089 27.753 255.016 1.00 71.24 ATOM 87 CA GLU G 379 19.456 31.283 253.786 1.00 84.46 ATOM 88 CA CYS G 380 21.387 33.971 255.648 1.00 83.85 ATOM 89 CA HIS G 381 20.298 37.540 256.172 1.00 73.66 ATOM 90 CA PRO G 382 22.726 40.435 255.838 1.00 69.86 ATOM 91 CA PRO G 383 23.520 42.125 259.148 1.00 65.49 ATOM 92 CA LYS G 384 21.678 45.226 260.305 1.00 63.35 ATOM 93 CA ARG G 385 22.678 48.433 258.532 1.00 57.73 ATOM 94 CA THR G 386 25.050 48.983 261.460 1.00 48.11 ATOM 95 CA THR G 387 28.350 49.423 259.611 1.00 41.28 ATOM 96 CA VAL G 388 31.933 48.963 260.943 1.00 40.49 ATOM 97 CA TYR G 389 32.016 48.287 264.689 1.00 46.30 ATOM 98 CA TYR G 390 34.363 45.403 265.453 1.00 45.32 ATOM 99 CA PRO G 391 38.160 45.073 265.792 1.00 41.34 ATOM 100 CA ALA G 392 38.364 41.459 264.550 1.00 47.72 ATOM 101 CA SER G 393 36.986 39.285 261.742 1.00 55.89 TER