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 i 1 439 PDB 7CW3 7CW3 1 439 SEQRES 1 i 101 ALA PRO SER LEU THR ASP MET SER CYS GLU VAL PRO ALA SEQRES 2 i 101 CYS THR HIS SER SER ASP PHE GLY GLY VAL ALA ILE ILE SEQRES 3 i 101 LYS TYR ALA ALA SER LYS LYS GLY LYS CYS ALA VAL HIS SEQRES 4 i 101 SER MET THR ASN ALA VAL THR ILE ARG GLU ALA GLU ILE SEQRES 5 i 101 GLU VAL GLU GLY ASN SER GLN LEU GLN ILE SER PHE SER SEQRES 6 i 101 THR ALA LEU ALA SER ALA GLU PHE ARG VAL GLN VAL CYS SEQRES 7 i 101 SER THR GLN VAL HIS CYS ALA ALA GLU CYS HIS PRO PRO SEQRES 8 i 101 LYS ARG THR THR VAL TYR TYR PRO ALA SER ATOM 1 CA ALA i 293 29.866 5.896 -9.749 1.00136.15 ATOM 2 CA PRO i 294 26.636 7.515 -10.969 1.00131.39 ATOM 3 CA SER i 295 25.752 6.938 -14.605 1.00135.27 ATOM 4 CA LEU i 296 24.434 10.122 -16.131 1.00135.32 ATOM 5 CA THR i 297 22.074 11.315 -18.856 1.00139.38 ATOM 6 CA ASP i 298 20.032 14.444 -19.643 1.00136.70 ATOM 7 CA MET i 299 23.190 16.497 -20.229 1.00130.37 ATOM 8 CA SER i 300 22.162 19.663 -22.060 1.00124.38 ATOM 9 CA CYS i 301 25.106 21.238 -23.871 1.00118.26 ATOM 10 CA GLU i 302 25.594 24.959 -23.314 1.00115.48 ATOM 11 CA VAL i 303 28.126 27.449 -22.028 1.00 95.85 ATOM 12 CA PRO i 304 27.452 30.643 -20.136 1.00 94.26 ATOM 13 CA ALA i 305 30.493 32.115 -21.922 1.00 90.18 ATOM 14 CA CYS i 306 33.877 31.192 -23.360 1.00 87.55 ATOM 15 CA THR i 307 36.769 33.382 -24.512 1.00 75.75 ATOM 16 CA HIS i 308 39.275 31.762 -26.860 1.00 75.46 ATOM 17 CA SER i 309 42.624 33.122 -25.699 1.00 71.78 ATOM 18 CA SER i 310 45.371 31.696 -23.489 1.00 70.53 ATOM 19 CA ASP i 311 43.274 32.600 -20.431 1.00 79.61 ATOM 20 CA PHE i 312 40.739 30.477 -18.532 1.00 85.71 ATOM 21 CA GLY i 313 37.979 32.592 -20.050 1.00 84.45 ATOM 22 CA GLY i 314 35.776 29.599 -20.719 1.00 90.38 ATOM 23 CA VAL i 315 33.244 27.785 -18.583 1.00 96.43 ATOM 24 CA ALA i 316 30.478 25.315 -19.427 1.00101.96 ATOM 25 CA ILE i 317 27.350 24.644 -17.373 1.00113.84 ATOM 26 CA ILE i 318 25.845 21.200 -17.888 1.00119.18 ATOM 27 CA LYS i 319 22.295 20.630 -16.672 1.00126.67 ATOM 28 CA TYR i 320 21.770 16.919 -16.189 1.00138.30 ATOM 29 CA ALA i 321 20.332 13.989 -14.247 1.00141.44 ATOM 30 CA ALA i 322 22.673 11.281 -12.947 1.00141.62 ATOM 31 CA SER i 323 21.759 8.129 -11.030 1.00139.08 ATOM 32 CA LYS i 324 23.493 7.758 -7.658 1.00141.03 ATOM 33 CA LYS i 325 25.649 9.702 -5.241 1.00134.14 ATOM 34 CA GLY i 326 29.350 9.811 -6.038 1.00130.01 ATOM 35 CA LYS i 327 32.245 11.707 -7.581 1.00128.48 ATOM 36 CA CYS i 328 32.960 11.901 -11.289 1.00127.80 ATOM 37 CA ALA i 329 35.566 12.909 -13.876 1.00126.69 ATOM 38 CA VAL i 330 35.482 15.284 -16.864 1.00112.42 ATOM 39 CA HIS i 331 37.393 14.890 -20.137 1.00107.03 ATOM 40 CA SER i 332 37.138 16.401 -23.591 1.00103.60 ATOM 41 CA MET i 333 39.283 14.894 -26.360 1.00102.70 ATOM 42 CA THR i 334 39.746 18.391 -27.707 1.00 92.92 ATOM 43 CA ASN i 335 43.269 19.008 -26.445 1.00 98.11 ATOM 44 CA ALA i 336 43.401 22.628 -27.636 1.00 94.42 ATOM 45 CA VAL i 337 40.564 23.340 -25.198 1.00 87.59 ATOM 46 CA THR i 338 42.036 22.529 -21.798 1.00 83.88 ATOM 47 CA ILE i 339 39.514 21.939 -19.020 1.00 88.86 ATOM 48 CA ARG i 340 40.460 23.361 -15.628 1.00 89.20 ATOM 49 CA GLU i 341 38.870 20.893 -13.203 1.00 99.95 ATOM 50 CA ALA i 342 37.619 17.336 -13.626 1.00109.67 ATOM 51 CA GLU i 343 36.798 15.812 -10.224 1.00124.63 ATOM 52 CA ILE i 344 33.287 16.840 -9.197 1.00122.98 ATOM 53 CA GLU i 345 30.880 15.122 -6.827 1.00128.66 ATOM 54 CA VAL i 346 27.147 14.207 -9.557 1.00133.71 ATOM 55 CA GLU i 347 24.504 13.265 -6.938 1.00139.23 ATOM 56 CA GLY i 348 21.732 12.317 -9.369 1.00140.26 ATOM 57 CA ASN i 349 19.527 15.104 -10.697 1.00137.16 ATOM 58 CA SER i 350 21.668 18.241 -10.503 1.00134.47 ATOM 59 CA GLN i 351 23.840 20.698 -12.426 1.00122.24 ATOM 60 CA LEU i 352 27.618 21.053 -12.358 1.00115.15 ATOM 61 CA GLN i 353 30.289 23.445 -13.600 1.00107.52 ATOM 62 CA ILE i 354 33.507 23.002 -15.529 1.00101.91 ATOM 63 CA SER i 355 35.742 25.880 -16.576 1.00 93.51 ATOM 64 CA PHE i 356 38.317 25.693 -19.342 1.00 90.11 ATOM 65 CA SER i 357 40.966 27.538 -21.270 1.00 91.03 ATOM 66 CA THR i 358 39.383 28.053 -24.629 1.00 88.71 ATOM 67 CA ALA i 359 40.582 27.580 -28.191 1.00 91.49 ATOM 68 CA LEU i 360 37.760 27.217 -30.697 1.00 92.37 ATOM 69 CA ALA i 361 35.586 30.099 -31.879 1.00 89.85 ATOM 70 CA SER i 362 32.642 27.729 -32.245 1.00 97.25 ATOM 71 CA ALA i 363 33.600 25.232 -29.533 1.00 96.05 ATOM 72 CA GLU i 364 31.533 22.264 -30.732 1.00103.27 ATOM 73 CA PHE i 365 33.203 19.313 -29.010 1.00 99.50 ATOM 74 CA ARG i 366 32.351 16.329 -26.816 1.00103.46 ATOM 75 CA VAL i 367 33.019 15.648 -23.144 1.00108.10 ATOM 76 CA GLN i 368 33.598 12.145 -21.810 1.00116.62 ATOM 77 CA VAL i 369 31.959 12.126 -18.382 1.00132.95 ATOM 78 CA CYS i 370 32.865 8.822 -16.624 1.00136.04 ATOM 79 CA SER i 371 32.594 6.435 -19.629 1.00136.43 ATOM 80 CA THR i 372 29.534 8.351 -20.902 1.00132.40 ATOM 81 CA GLN i 373 29.710 10.629 -23.894 1.00123.77 ATOM 82 CA VAL i 374 27.971 13.987 -24.184 1.00114.97 ATOM 83 CA HIS i 375 28.668 16.645 -26.781 1.00106.75 ATOM 84 CA CYS i 376 29.321 20.212 -25.601 1.00 99.27 ATOM 85 CA ALA i 377 27.996 23.140 -27.638 1.00 94.15 ATOM 86 CA ALA i 378 29.550 26.613 -27.514 1.00 96.33 ATOM 87 CA GLU i 379 29.951 29.784 -29.553 1.00 95.76 ATOM 88 CA CYS i 380 32.932 31.600 -28.105 1.00 88.85 ATOM 89 CA HIS i 381 34.416 35.678 -27.168 1.00 84.11 ATOM 90 CA PRO i 382 37.322 37.006 -29.197 1.00 75.98 ATOM 91 CA PRO i 383 40.383 37.870 -27.113 1.00 67.05 ATOM 92 CA LYS i 384 40.148 41.350 -25.611 1.00 61.35 ATOM 93 CA ARG i 385 41.565 43.083 -22.535 1.00 61.86 ATOM 94 CA THR i 386 42.371 39.024 -20.782 1.00 50.78 ATOM 95 CA THR i 387 46.059 41.518 -20.405 1.00 45.99 ATOM 96 CA VAL i 388 49.880 41.288 -20.004 1.00 50.49 ATOM 97 CA TYR i 389 51.106 39.321 -17.122 1.00 58.12 ATOM 98 CA TYR i 390 48.588 35.638 -17.535 1.00 57.10 ATOM 99 CA PRO i 391 51.446 33.408 -16.383 1.00 56.41 ATOM 100 CA ALA i 392 50.612 30.461 -18.663 1.00 64.11 ATOM 101 CA SER i 393 49.398 29.336 -22.051 1.00 76.25 TER