HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 7CW0 TITLE Cryo-EM structure of Chikungunya virus in complex with mAb CHK-263 COMPND MOL_ID: 4; COMPND 2 MOLECULE: Fab heavy chain; COMPND 3 CHAIN: O, Q; EXPDTA ELECTRON MICROSCOPY DBREF 7CW0 O 1 216 PDB 7CW0 7CW0 1 216 SEQRES 1 O 115 VAL GLN LEU GLN GLN SER GLY ALA GLU LEU VAL LYS PRO SEQRES 2 O 115 GLY ALA SER VAL LYS ILE SER CYS LYS ALA SER GLY TYR SEQRES 3 O 115 ALA PHE SER SER TYR TRP MET ASN TRP VAL LYS GLN ARG SEQRES 4 O 115 PRO GLY LYS GLY LEU GLU TRP ILE GLY GLN ILE TYR PRO SEQRES 5 O 115 GLY ASP GLY ASP THR ASN TYR ASN GLY LYS PHE LYS GLY SEQRES 6 O 115 LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR ALA SEQRES 7 O 115 TYR MET GLN LEU SER SER LEU THR SER GLU ASP SER ALA SEQRES 8 O 115 VAL TYR PHE CYS ALA ARG GLY GLY LEU THR ILE ASP TYR SEQRES 9 O 115 TRP GLY GLN GLY THR THR LEU THR VAL SER SER ATOM 1 CA VAL O 1 37.845 28.068 326.111 1.00151.45 ATOM 2 CA GLN O 2 41.508 29.081 326.399 1.00147.12 ATOM 3 CA LEU O 3 41.325 31.901 328.961 1.00144.12 ATOM 4 CA GLN O 4 40.387 32.202 332.666 1.00156.44 ATOM 5 CA GLN O 5 37.043 33.290 334.081 1.00152.07 ATOM 6 CA SER O 6 35.708 35.698 336.716 1.00151.45 ATOM 7 CA GLY O 7 34.510 32.965 339.061 1.00144.30 ATOM 8 CA ALA O 8 31.263 32.336 340.893 1.00139.59 ATOM 9 CA GLU O 9 29.947 35.200 343.012 1.00139.27 ATOM 10 CA LEU O 10 26.825 35.618 345.154 1.00136.84 ATOM 11 CA VAL O 11 26.210 38.631 347.414 1.00138.97 ATOM 12 CA LYS O 12 23.473 41.004 348.792 1.00138.81 ATOM 13 CA PRO O 13 22.933 44.606 347.595 1.00140.24 ATOM 14 CA GLY O 14 24.986 47.355 349.151 1.00143.49 ATOM 15 CA ALA O 15 28.713 46.592 349.198 1.00155.58 ATOM 16 CA SER O 16 30.593 45.938 345.986 1.00152.49 ATOM 17 CA VAL O 17 31.693 42.892 343.989 1.00151.00 ATOM 18 CA LYS O 18 35.176 42.036 342.752 1.00144.81 ATOM 19 CA ILE O 19 35.425 39.463 339.962 1.00142.47 ATOM 20 CA SER O 20 38.279 38.984 337.615 1.00145.30 ATOM 21 CA CYS O 21 38.602 37.776 334.014 1.00147.57 ATOM 22 CA LYS O 22 42.236 36.686 333.858 1.00154.44 ATOM 23 CA ALA O 23 43.489 36.441 330.269 1.00150.44 ATOM 24 CA SER O 24 45.598 33.816 328.531 1.00144.28 ATOM 25 CA GLY O 25 45.430 35.541 325.169 1.00146.59 ATOM 26 CA TYR O 26 49.154 35.983 324.678 1.00146.62 ATOM 27 CA ALA O 27 49.106 39.767 324.249 1.00145.28 ATOM 28 CA PHE O 28 47.925 39.881 327.891 1.00155.82 ATOM 29 CA SER O 29 47.759 43.662 328.204 1.00145.50 ATOM 30 CA SER O 30 46.836 44.492 324.616 1.00141.07 ATOM 31 CA TYR O 31 43.396 42.890 324.400 1.00129.30 ATOM 32 CA TRP O 32 40.431 45.104 325.109 1.00137.73 ATOM 33 CA MET O 33 38.381 42.490 326.879 1.00141.14 ATOM 34 CA ASN O 34 35.452 44.297 328.391 1.00148.77 ATOM 35 CA TRP O 35 32.970 44.004 331.175 1.00138.77 ATOM 36 CA VAL O 36 29.418 43.513 329.958 1.00132.04 ATOM 37 CA LYS O 37 25.890 42.603 331.063 1.00126.21 ATOM 38 CA GLN O 38 22.876 40.748 329.624 1.00129.76 ATOM 39 CA ARG O 39 19.653 40.659 331.516 1.00124.09 ATOM 40 CA PRO O 40 18.264 37.408 330.035 1.00124.22 ATOM 41 CA GLY O 41 15.623 38.450 327.543 1.00129.52 ATOM 42 CA LYS O 42 16.634 42.124 327.261 1.00133.26 ATOM 43 CA GLY O 43 19.750 42.558 325.112 1.00129.00 ATOM 44 CA LEU O 44 23.189 43.802 326.196 1.00118.76 ATOM 45 CA GLU O 45 24.972 46.643 327.993 1.00118.66 ATOM 46 CA TRP O 46 28.597 47.601 327.321 1.00120.38 ATOM 47 CA ILE O 47 30.289 48.557 330.574 1.00122.94 ATOM 48 CA GLY O 48 33.754 49.653 329.571 1.00128.44 ATOM 49 CA GLN O 49 37.405 48.756 329.404 1.00129.41 ATOM 50 CA ILE O 50 40.359 49.724 331.564 1.00130.40 ATOM 51 CA TYR O 51 43.628 49.019 329.840 1.00135.99 ATOM 52 CA PRO O 52 46.630 47.295 331.509 1.00144.80 ATOM 53 CA GLY O 53 48.926 50.202 330.626 1.00133.73 ATOM 54 CA ASP O 54 48.516 53.463 332.467 1.00131.83 ATOM 55 CA GLY O 55 44.899 52.462 333.117 1.00126.83 ATOM 56 CA ASP O 56 42.863 53.853 330.201 1.00127.50 ATOM 57 CA THR O 57 39.800 54.667 332.289 1.00128.31 ATOM 58 CA ASN O 58 36.636 54.353 330.212 1.00126.36 ATOM 59 CA TYR O 59 33.261 55.069 331.768 1.00127.61 ATOM 60 CA ASN O 60 29.808 54.358 330.410 1.00127.17 ATOM 61 CA GLY O 61 26.663 56.299 329.745 1.00126.05 ATOM 62 CA LYS O 62 25.195 53.777 332.202 1.00120.37 ATOM 63 CA PHE O 63 28.126 53.991 334.672 1.00118.90 ATOM 64 CA LYS O 64 29.253 57.655 334.936 1.00124.25 ATOM 65 CA GLY O 65 30.551 57.594 338.510 1.00129.34 ATOM 66 CA LYS O 66 29.010 54.496 340.062 1.00129.03 ATOM 67 CA ALA O 67 32.344 52.722 339.558 1.00130.40 ATOM 68 CA THR O 68 36.113 53.061 339.697 1.00137.44 ATOM 69 CA LEU O 69 37.617 50.047 337.948 1.00129.90 ATOM 70 CA THR O 70 41.221 49.070 338.514 1.00136.84 ATOM 71 CA ALA O 71 43.523 46.296 337.347 1.00144.86 ATOM 72 CA ASP O 72 46.800 44.635 338.324 1.00158.66 ATOM 73 CA LYS O 73 50.049 45.300 336.467 1.00159.30 ATOM 74 CA SER O 74 51.837 41.974 337.001 1.00163.96 ATOM 75 CA SER O 75 49.294 39.203 336.403 1.00165.61 ATOM 76 CA SER O 76 47.230 41.140 333.784 1.00160.64 ATOM 77 CA THR O 77 43.763 41.041 335.337 1.00155.73 ATOM 78 CA ALA O 78 41.073 43.704 335.689 1.00141.76 ATOM 79 CA TYR O 79 39.110 43.240 338.909 1.00140.53 ATOM 80 CA MET O 80 35.496 44.457 339.204 1.00148.43 ATOM 81 CA GLN O 81 34.542 47.523 341.251 1.00148.24 ATOM 82 CA LEU O 82 30.927 48.733 341.303 1.00152.53 ATOM 83 CA SER O 83 30.212 50.813 344.400 1.00149.74 ATOM 84 CA SER O 84 26.764 51.154 346.029 1.00150.20 ATOM 85 CA LEU O 85 25.218 47.981 344.622 1.00154.65 ATOM 86 CA THR O 86 21.490 47.648 343.955 1.00167.57 ATOM 87 CA SER O 87 19.212 44.885 342.656 1.00176.03 ATOM 88 CA GLU O 88 19.145 46.328 339.105 1.00179.11 ATOM 89 CA ASP O 89 22.816 45.642 338.256 1.00172.18 ATOM 90 CA SER O 90 22.711 42.070 339.638 1.00154.51 ATOM 91 CA ALA O 91 23.040 39.624 336.710 1.00136.17 ATOM 92 CA VAL O 92 25.757 37.682 334.852 1.00136.89 ATOM 93 CA TYR O 93 29.142 39.422 334.452 1.00139.90 ATOM 94 CA PHE O 94 31.819 37.530 332.491 1.00144.65 ATOM 95 CA CYS O 95 34.126 37.962 329.502 1.00142.36 ATOM 96 CA ALA O 96 35.883 35.828 326.872 1.00143.16 ATOM 97 CA ARG O 97 38.562 36.441 324.227 1.00139.07 ATOM 98 CA GLY O 98 37.470 34.759 320.962 1.00137.17 ATOM 99 CA GLY O 99 35.138 37.518 319.835 1.00140.06 ATOM 100 CA LEU O 100 36.074 41.189 320.175 1.00145.67 ATOM 101 CA THR O 101 34.522 44.635 321.017 1.00152.77 ATOM 102 CA ILE O 102 32.251 42.580 323.307 1.00151.85 ATOM 103 CA ASP O 103 32.653 39.197 324.985 1.00149.38 ATOM 104 CA TYR O 104 30.095 37.913 327.410 1.00147.79 ATOM 105 CA TRP O 105 30.817 34.226 328.293 1.00160.89 ATOM 106 CA GLY O 106 27.489 32.680 329.226 1.00152.12 ATOM 107 CA GLN O 107 28.863 30.685 332.180 1.00152.35 ATOM 108 CA GLY O 108 25.779 30.411 334.391 1.00157.36 ATOM 109 CA THR O 109 27.275 31.181 337.819 1.00152.37 ATOM 110 CA THR O 110 25.169 34.318 338.137 1.00150.62 ATOM 111 CA LEU O 111 25.871 37.317 340.387 1.00138.58 ATOM 112 CA THR O 112 22.440 37.545 342.022 1.00152.99 ATOM 113 CA VAL O 113 21.286 39.627 344.993 1.00154.95 ATOM 114 CA SER O 114 19.145 37.811 347.551 1.00163.92 ATOM 115 CA SER O 115 17.484 38.808 350.815 1.00176.96 TER