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: 3; COMPND 2 MOLECULE: Fab heavy chain; COMPND 3 CHAIN: q, k, m, o; EXPDTA ELECTRON MICROSCOPY DBREF 7CW3 q 1 216 PDB 7CW3 7CW3 1 216 SEQRES 1 q 115 VAL GLN LEU GLN GLN SER GLY ALA GLU LEU VAL LYS PRO SEQRES 2 q 115 GLY ALA SER VAL LYS ILE SER CYS LYS ALA SER GLY TYR SEQRES 3 q 115 ALA PHE SER SER TYR TRP MET ASN TRP VAL LYS GLN ARG SEQRES 4 q 115 PRO GLY LYS GLY LEU GLU TRP ILE GLY GLN ILE TYR PRO SEQRES 5 q 115 GLY ASP GLY ASP THR ASN TYR ASN GLY LYS PHE LYS GLY SEQRES 6 q 115 LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR ALA SEQRES 7 q 115 TYR MET GLN LEU SER SER LEU THR SER GLU ASP SER ALA SEQRES 8 q 115 VAL TYR PHE CYS ALA ARG GLY GLY LEU THR ILE ASP TYR SEQRES 9 q 115 TRP GLY GLN GLY THR THR LEU THR VAL SER SER ATOM 1 CA VAL q 1 37.553 -30.743 45.519 1.00141.65 ATOM 2 CA GLN q 2 40.616 -32.960 45.229 1.00133.67 ATOM 3 CA LEU q 3 42.603 -31.639 48.198 1.00137.20 ATOM 4 CA GLN q 4 40.688 -30.016 51.020 1.00143.79 ATOM 5 CA GLN q 5 41.295 -26.923 53.092 1.00145.26 ATOM 6 CA SER q 6 43.793 -26.144 55.843 1.00141.49 ATOM 7 CA GLY q 7 41.852 -24.350 58.555 1.00138.72 ATOM 8 CA ALA q 8 41.568 -20.949 60.211 1.00134.42 ATOM 9 CA GLU q 9 44.363 -18.512 61.061 1.00135.58 ATOM 10 CA LEU q 10 44.007 -15.436 63.273 1.00129.17 ATOM 11 CA VAL q 11 46.645 -14.120 65.683 1.00134.45 ATOM 12 CA LYS q 12 48.338 -10.986 67.217 1.00140.46 ATOM 13 CA PRO q 13 51.548 -9.792 65.438 1.00140.98 ATOM 14 CA GLY q 14 54.926 -11.393 65.966 1.00138.14 ATOM 15 CA ALA q 15 55.428 -15.135 65.625 1.00141.59 ATOM 16 CA SER q 16 53.939 -17.704 63.262 1.00146.74 ATOM 17 CA VAL q 17 51.710 -20.766 63.064 1.00145.48 ATOM 18 CA LYS q 18 51.953 -23.666 60.595 1.00139.94 ATOM 19 CA ILE q 19 48.757 -24.356 58.634 1.00136.22 ATOM 20 CA SER q 20 48.263 -27.330 56.362 1.00136.11 ATOM 21 CA CYS q 21 45.918 -28.339 53.590 1.00135.87 ATOM 22 CA LYS q 22 45.271 -32.042 53.613 1.00132.45 ATOM 23 CA ALA q 23 46.773 -32.345 50.160 1.00128.93 ATOM 24 CA SER q 24 44.687 -35.348 49.191 1.00129.68 ATOM 25 CA GLY q 25 45.631 -35.604 45.529 1.00125.93 ATOM 26 CA TYR q 26 44.636 -38.825 43.833 1.00119.44 ATOM 27 CA ALA q 27 48.137 -40.208 44.368 1.00116.36 ATOM 28 CA PHE q 28 49.906 -38.125 46.967 1.00125.11 ATOM 29 CA SER q 29 53.618 -38.498 46.118 1.00119.21 ATOM 30 CA SER q 30 52.923 -36.717 42.822 1.00108.43 ATOM 31 CA TYR q 31 51.565 -33.269 43.154 1.00104.39 ATOM 32 CA TRP q 32 53.193 -29.959 43.323 1.00104.41 ATOM 33 CA MET q 33 50.530 -28.813 45.679 1.00120.01 ATOM 34 CA ASN q 34 51.668 -25.253 45.685 1.00126.15 ATOM 35 CA TRP q 35 51.668 -22.513 48.290 1.00129.27 ATOM 36 CA VAL q 36 51.437 -18.862 47.428 1.00130.97 ATOM 37 CA LYS q 37 51.050 -15.341 48.865 1.00129.14 ATOM 38 CA GLN q 38 48.458 -12.817 47.661 1.00136.27 ATOM 39 CA ARG q 39 47.366 -9.458 48.899 1.00138.43 ATOM 40 CA PRO q 40 44.059 -8.613 47.153 1.00136.19 ATOM 41 CA GLY q 41 45.144 -5.834 44.819 1.00146.45 ATOM 42 CA LYS q 42 48.605 -7.251 44.114 1.00145.32 ATOM 43 CA GLY q 43 48.347 -10.317 41.923 1.00136.43 ATOM 44 CA LEU q 44 50.212 -13.167 43.614 1.00124.60 ATOM 45 CA GLU q 45 53.580 -14.033 45.085 1.00117.89 ATOM 46 CA TRP q 46 54.341 -17.708 44.830 1.00108.10 ATOM 47 CA ILE q 47 55.933 -18.796 48.098 1.00113.59 ATOM 48 CA GLY q 48 56.970 -22.399 47.647 1.00115.53 ATOM 49 CA GLN q 49 55.882 -25.952 47.181 1.00112.04 ATOM 50 CA ILE q 50 56.923 -29.090 48.832 1.00114.01 ATOM 51 CA TYR q 51 57.376 -31.979 46.541 1.00114.82 ATOM 52 CA PRO q 52 56.183 -35.067 48.507 1.00116.19 ATOM 53 CA GLY q 53 59.037 -37.344 47.481 1.00122.25 ATOM 54 CA ASP q 54 62.441 -36.395 48.787 1.00132.23 ATOM 55 CA GLY q 55 60.918 -33.157 50.114 1.00127.17 ATOM 56 CA ASP q 56 61.701 -30.558 47.491 1.00118.46 ATOM 57 CA THR q 57 61.014 -26.845 47.551 1.00108.84 ATOM 58 CA ASN q 58 61.419 -24.139 44.942 1.00103.08 ATOM 59 CA TYR q 59 60.985 -20.553 46.081 1.00108.29 ATOM 60 CA ASN q 60 60.692 -16.948 44.925 1.00108.89 ATOM 61 CA GLY q 61 63.414 -14.357 45.482 1.00112.90 ATOM 62 CA LYS q 62 61.310 -12.680 48.138 1.00112.31 ATOM 63 CA PHE q 63 60.934 -15.980 50.023 1.00111.75 ATOM 64 CA LYS q 64 64.148 -17.943 49.416 1.00115.87 ATOM 65 CA GLY q 65 65.182 -18.132 53.064 1.00118.87 ATOM 66 CA LYS q 66 61.856 -16.796 54.325 1.00118.73 ATOM 67 CA ALA q 67 59.477 -19.789 54.243 1.00123.41 ATOM 68 CA THR q 68 59.007 -23.088 56.060 1.00138.33 ATOM 69 CA LEU q 69 57.608 -26.111 54.195 1.00135.57 ATOM 70 CA THR q 70 57.125 -29.747 55.106 1.00135.04 ATOM 71 CA ALA q 71 54.579 -32.462 54.288 1.00133.60 ATOM 72 CA ASP q 72 52.813 -35.479 55.762 1.00136.76 ATOM 73 CA LYS q 73 54.149 -37.846 53.090 1.00132.70 ATOM 74 CA SER q 74 51.975 -40.756 54.175 1.00139.13 ATOM 75 CA SER q 75 48.592 -39.224 54.994 1.00135.70 ATOM 76 CA SER q 76 48.415 -36.644 52.177 1.00132.13 ATOM 77 CA THR q 77 49.068 -33.278 53.800 1.00132.75 ATOM 78 CA ALA q 78 51.484 -30.456 53.023 1.00132.26 ATOM 79 CA TYR q 79 52.439 -28.165 55.906 1.00137.07 ATOM 80 CA MET q 80 52.891 -24.441 55.458 1.00140.64 ATOM 81 CA GLN q 81 54.598 -21.776 57.545 1.00143.77 ATOM 82 CA LEU q 82 55.896 -18.296 56.838 1.00140.14 ATOM 83 CA SER q 83 57.987 -17.770 59.974 1.00139.16 ATOM 84 CA SER q 84 57.215 -14.639 62.024 1.00139.08 ATOM 85 CA LEU q 85 53.643 -14.090 60.844 1.00138.17 ATOM 86 CA THR q 86 52.778 -10.391 61.070 1.00141.94 ATOM 87 CA SER q 87 50.382 -8.100 59.220 1.00144.18 ATOM 88 CA GLU q 88 52.910 -7.841 56.368 1.00146.94 ATOM 89 CA ASP q 89 52.588 -11.575 55.686 1.00142.55 ATOM 90 CA SER q 90 48.864 -11.494 56.427 1.00141.95 ATOM 91 CA ALA q 91 47.944 -13.025 53.074 1.00137.49 ATOM 92 CA VAL q 92 46.208 -16.082 51.648 1.00138.81 ATOM 93 CA TYR q 93 48.488 -19.090 51.988 1.00136.78 ATOM 94 CA PHE q 94 46.702 -22.113 50.650 1.00139.12 ATOM 95 CA CYS q 95 46.898 -25.033 48.396 1.00135.86 ATOM 96 CA ALA q 96 45.099 -26.530 45.402 1.00133.93 ATOM 97 CA ARG q 97 45.874 -28.517 42.257 1.00123.50 ATOM 98 CA GLY q 98 44.443 -27.000 39.097 1.00124.34 ATOM 99 CA GLY q 99 46.960 -24.201 38.768 1.00125.73 ATOM 100 CA LEU q 100 50.450 -24.283 37.257 1.00121.55 ATOM 101 CA THR q 101 53.294 -24.111 39.880 1.00126.97 ATOM 102 CA ILE q 102 50.795 -21.904 41.736 1.00132.72 ATOM 103 CA ASP q 103 47.933 -23.268 43.788 1.00139.51 ATOM 104 CA TYR q 104 45.920 -20.701 45.567 1.00150.25 ATOM 105 CA TRP q 105 42.704 -22.238 47.009 1.00152.63 ATOM 106 CA GLY q 106 41.315 -19.014 48.355 1.00157.47 ATOM 107 CA GLN q 107 40.075 -19.725 51.872 1.00155.64 ATOM 108 CA GLY q 108 41.519 -16.432 53.089 1.00156.27 ATOM 109 CA THR q 109 42.506 -16.880 56.751 1.00152.35 ATOM 110 CA THR q 110 44.995 -14.024 57.136 1.00143.36 ATOM 111 CA LEU q 111 46.265 -12.126 60.162 1.00141.50 ATOM 112 CA THR q 112 43.895 -9.449 61.433 1.00148.05 ATOM 113 CA VAL q 113 45.558 -8.132 64.594 1.00149.82 ATOM 114 CA SER q 114 43.499 -6.150 67.059 1.00158.42 ATOM 115 CA SER q 115 42.788 -4.447 70.385 1.00158.70 TER