HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 7CW2 TITLE Cryo-EM structure of Chikungunya virus in complex with Fab fragments TITLE 2 of mAb CHK-263 (subregion around icosahedral 5-fold vertex) COMPND MOL_ID: 1; COMPND 2 MOLECULE: E1 glycoprotein; COMPND 3 CHAIN: G, A, D, g, a, d, J, M, P, j, m, p, s, v, y; EXPDTA ELECTRON MICROSCOPY DBREF 7CW2 a 1 439 PDB 7CW2 7CW2 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 a 293 154.351 301.148 204.185 1.00149.08 ATOM 2 CA PRO a 294 151.084 299.181 204.010 1.00145.58 ATOM 3 CA SER a 295 150.008 297.260 207.098 1.00142.20 ATOM 4 CA LEU a 296 148.045 294.028 207.451 1.00134.14 ATOM 5 CA THR a 297 145.882 292.768 210.310 1.00124.48 ATOM 6 CA ASP a 298 143.858 289.728 211.444 1.00119.75 ATOM 7 CA MET a 299 145.831 287.591 209.012 1.00117.38 ATOM 8 CA SER a 300 144.421 284.052 208.937 1.00118.42 ATOM 9 CA CYS a 301 146.208 281.420 206.860 1.00114.62 ATOM 10 CA GLU a 302 145.333 277.840 205.956 1.00107.63 ATOM 11 CA VAL a 303 146.788 275.344 203.491 1.00 95.63 ATOM 12 CA PRO a 304 144.393 273.587 201.079 1.00 94.35 ATOM 13 CA ALA a 305 146.944 271.053 199.809 1.00 94.64 ATOM 14 CA CYS a 306 150.552 270.366 200.778 1.00 81.11 ATOM 15 CA THR a 307 152.899 267.939 199.023 1.00 74.51 ATOM 16 CA HIS a 308 156.509 267.728 200.172 1.00 75.94 ATOM 17 CA SER a 309 158.540 267.642 196.962 1.00 69.43 ATOM 18 CA SER a 310 161.327 269.379 195.096 1.00 64.94 ATOM 19 CA ASP a 311 158.470 270.962 193.180 1.00 67.85 ATOM 20 CA PHE a 312 156.541 273.770 194.826 1.00 73.11 ATOM 21 CA GLY a 313 153.565 271.535 195.486 1.00 76.23 ATOM 22 CA GLY a 314 152.497 273.680 198.407 1.00 81.24 ATOM 23 CA VAL a 315 149.790 276.329 198.129 1.00 88.36 ATOM 24 CA ALA a 316 148.824 278.566 201.040 1.00 95.89 ATOM 25 CA ILE a 317 145.943 281.041 201.186 1.00101.19 ATOM 26 CA ILE a 318 146.217 283.957 203.612 1.00104.09 ATOM 27 CA LYS a 319 143.163 286.035 204.514 1.00108.97 ATOM 28 CA TYR a 320 143.928 289.526 205.740 1.00118.87 ATOM 29 CA ALA a 321 142.676 293.004 206.530 1.00125.55 ATOM 30 CA ALA a 322 145.095 295.628 205.233 1.00135.64 ATOM 31 CA SER a 323 145.490 299.368 205.703 1.00145.14 ATOM 32 CA LYS a 324 145.991 300.461 202.091 1.00145.42 ATOM 33 CA LYS a 325 147.470 299.445 198.755 1.00143.11 ATOM 34 CA GLY a 326 151.145 298.869 198.036 1.00140.43 ATOM 35 CA LYS a 327 153.840 296.209 197.856 1.00139.51 ATOM 36 CA CYS a 328 154.773 293.925 200.742 1.00132.99 ATOM 37 CA ALA a 329 157.380 291.383 201.837 1.00121.72 ATOM 38 CA VAL a 330 156.881 287.668 202.479 1.00109.72 ATOM 39 CA HIS a 331 159.240 284.999 203.804 1.00107.25 ATOM 40 CA SER a 332 159.329 282.043 206.196 1.00106.39 ATOM 41 CA MET a 333 160.259 282.423 209.854 1.00106.00 ATOM 42 CA THR a 334 161.373 278.776 209.790 1.00 99.23 ATOM 43 CA ASN a 335 164.042 277.598 207.356 1.00 92.83 ATOM 44 CA ALA a 336 162.291 274.215 207.101 1.00 88.49 ATOM 45 CA VAL a 337 160.167 275.689 204.280 1.00 88.73 ATOM 46 CA THR a 338 160.694 278.183 201.475 1.00 83.59 ATOM 47 CA ILE a 339 158.548 280.457 199.304 1.00 84.28 ATOM 48 CA ARG a 340 159.217 281.385 195.683 1.00 85.41 ATOM 49 CA GLU a 341 157.722 284.857 196.086 1.00 92.03 ATOM 50 CA ALA a 342 159.431 287.533 198.170 1.00112.05 ATOM 51 CA GLU a 343 157.091 290.485 197.563 1.00123.97 ATOM 52 CA ILE a 344 153.398 290.926 196.807 1.00121.23 ATOM 53 CA GLU a 345 150.807 293.685 196.490 1.00126.13 ATOM 54 CA VAL a 346 147.825 294.062 198.798 1.00135.79 ATOM 55 CA GLU a 347 144.256 295.317 198.385 1.00138.81 ATOM 56 CA GLY a 348 142.864 295.928 201.856 1.00134.80 ATOM 57 CA ASN a 349 140.379 293.116 202.515 1.00121.26 ATOM 58 CA SER a 350 141.298 290.344 200.082 1.00112.96 ATOM 59 CA GLN a 351 143.250 287.088 200.173 1.00105.29 ATOM 60 CA LEU a 352 146.318 286.073 198.190 1.00108.57 ATOM 61 CA GLN a 353 148.067 282.857 197.192 1.00100.99 ATOM 62 CA ILE a 354 151.729 282.106 197.920 1.00 95.44 ATOM 63 CA SER a 355 153.661 279.334 196.186 1.00 88.61 ATOM 64 CA PHE a 356 155.736 277.399 198.718 1.00 80.92 ATOM 65 CA SER a 357 157.005 273.892 199.406 1.00 78.23 ATOM 66 CA THR a 358 158.966 271.887 201.965 1.00 81.75 ATOM 67 CA ALA a 359 160.481 268.461 202.593 1.00 83.02 ATOM 68 CA LEU a 360 159.054 267.221 205.891 1.00 87.95 ATOM 69 CA ALA a 361 155.740 265.434 206.408 1.00 92.62 ATOM 70 CA SER a 362 153.706 267.795 208.604 1.00 94.49 ATOM 71 CA ALA a 363 153.949 271.436 207.517 1.00 97.58 ATOM 72 CA GLU a 364 153.708 273.783 210.510 1.00 94.76 ATOM 73 CA PHE a 365 155.605 277.068 210.479 1.00 98.70 ATOM 74 CA ARG a 366 155.331 280.852 210.630 1.00104.57 ATOM 75 CA VAL a 367 155.504 283.393 207.813 1.00111.60 ATOM 76 CA GLN a 368 156.013 287.147 208.023 1.00110.90 ATOM 77 CA VAL a 369 153.993 289.565 205.881 1.00115.11 ATOM 78 CA CYS a 370 155.079 293.216 206.176 1.00117.47 ATOM 79 CA SER a 371 156.233 292.579 209.751 1.00117.99 ATOM 80 CA THR a 372 153.249 290.514 210.873 1.00118.52 ATOM 81 CA GLN a 373 153.551 287.057 212.415 1.00108.28 ATOM 82 CA VAL a 374 151.023 284.316 211.639 1.00107.30 ATOM 83 CA HIS a 375 150.881 280.575 212.262 1.00101.84 ATOM 84 CA CYS a 376 150.015 277.868 209.739 1.00 97.50 ATOM 85 CA ALA a 377 149.509 274.110 209.852 1.00 91.62 ATOM 86 CA ALA a 378 149.217 271.576 207.056 1.00 87.98 ATOM 87 CA GLU a 379 149.285 267.902 206.126 1.00 91.15 ATOM 88 CA CYS a 380 151.417 266.869 203.160 1.00 87.03 ATOM 89 CA HIS a 381 151.795 263.899 200.827 1.00 81.74 ATOM 90 CA PRO a 382 154.635 262.386 198.792 1.00 78.91 ATOM 91 CA PRO a 383 154.721 262.774 195.005 1.00 68.41 ATOM 92 CA LYS a 384 154.430 259.834 192.637 1.00 59.67 ATOM 93 CA ARG a 385 157.078 260.823 190.084 1.00 62.62 ATOM 94 CA THR a 386 160.029 259.138 191.761 1.00 71.03 ATOM 95 CA THR a 387 162.827 261.195 190.185 1.00 61.43 ATOM 96 CA VAL a 388 163.218 264.734 188.870 1.00 63.04 ATOM 97 CA TYR a 389 165.557 266.505 186.452 1.00 53.32 ATOM 98 CA TYR a 390 166.198 269.539 188.649 1.00 58.44 ATOM 99 CA PRO a 391 167.683 269.580 192.159 1.00 59.10 ATOM 100 CA ALA a 392 165.684 269.699 195.353 1.00 71.59 ATOM 101 CA SER a 393 165.119 273.022 197.109 1.00 91.53 TER