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 k 1 216 PDB 7CW3 7CW3 1 216 SEQRES 1 k 115 VAL GLN LEU GLN GLN SER GLY ALA GLU LEU VAL LYS PRO SEQRES 2 k 115 GLY ALA SER VAL LYS ILE SER CYS LYS ALA SER GLY TYR SEQRES 3 k 115 ALA PHE SER SER TYR TRP MET ASN TRP VAL LYS GLN ARG SEQRES 4 k 115 PRO GLY LYS GLY LEU GLU TRP ILE GLY GLN ILE TYR PRO SEQRES 5 k 115 GLY ASP GLY ASP THR ASN TYR ASN GLY LYS PHE LYS GLY SEQRES 6 k 115 LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR ALA SEQRES 7 k 115 TYR MET GLN LEU SER SER LEU THR SER GLU ASP SER ALA SEQRES 8 k 115 VAL TYR PHE CYS ALA ARG GLY GLY LEU THR ILE ASP TYR SEQRES 9 k 115 TRP GLY GLN GLY THR THR LEU THR VAL SER SER ATOM 1 CA VAL k 1 44.264 28.166 45.126 1.00141.65 ATOM 2 CA GLN k 2 47.866 29.321 44.852 1.00133.67 ATOM 3 CA LEU k 3 47.934 31.783 47.758 1.00137.20 ATOM 4 CA GLN k 4 45.458 31.270 50.563 1.00143.79 ATOM 5 CA GLN k 5 43.293 33.639 52.545 1.00145.26 ATOM 6 CA SER k 6 44.104 36.187 55.241 1.00141.49 ATOM 7 CA GLY k 7 41.475 35.752 57.931 1.00138.72 ATOM 8 CA ALA k 8 38.541 37.573 59.502 1.00134.42 ATOM 9 CA GLU k 9 38.214 41.288 60.250 1.00135.58 ATOM 10 CA LEU k 10 35.493 42.875 62.385 1.00129.17 ATOM 11 CA VAL k 11 35.957 45.844 64.724 1.00134.45 ATOM 12 CA LYS k 12 34.409 49.100 66.152 1.00140.46 ATOM 13 CA PRO k 13 35.363 52.347 64.299 1.00140.98 ATOM 14 CA GLY k 14 38.643 54.143 64.822 1.00138.14 ATOM 15 CA ALA k 15 41.964 52.330 64.572 1.00141.59 ATOM 16 CA SER k 16 43.188 49.551 62.297 1.00146.74 ATOM 17 CA VAL k 17 44.345 45.940 62.209 1.00145.48 ATOM 18 CA LYS k 18 46.861 44.361 59.814 1.00139.94 ATOM 19 CA ILE k 19 45.556 41.322 57.916 1.00136.22 ATOM 20 CA SER k 20 47.693 39.109 55.729 1.00136.11 ATOM 21 CA CYS k 21 47.159 36.548 53.016 1.00135.87 ATOM 22 CA LYS k 22 49.765 33.842 53.144 1.00132.45 ATOM 23 CA ALA k 23 50.941 34.783 49.680 1.00128.93 ATOM 24 CA SER k 24 52.145 31.302 48.819 1.00129.68 ATOM 25 CA GLY k 25 52.956 31.817 45.152 1.00125.93 ATOM 26 CA TYR k 26 54.990 29.069 43.554 1.00119.44 ATOM 27 CA ALA k 27 58.166 31.091 44.077 1.00116.36 ATOM 28 CA PHE k 28 57.496 33.817 46.597 1.00125.11 ATOM 29 CA SER k 29 60.000 36.570 45.706 1.00119.21 ATOM 30 CA SER k 30 58.195 36.973 42.375 1.00108.43 ATOM 31 CA TYR k 31 54.607 37.920 42.636 1.00104.39 ATOM 32 CA TRP k 32 52.894 41.191 42.696 1.00104.41 ATOM 33 CA MET k 33 50.367 39.781 45.058 1.00120.01 ATOM 34 CA ASN k 34 48.166 42.799 44.956 1.00126.15 ATOM 35 CA TRP k 35 45.922 44.485 47.488 1.00129.27 ATOM 36 CA VAL k 36 42.850 46.430 46.535 1.00130.97 ATOM 37 CA LYS k 37 39.761 48.233 47.884 1.00129.14 ATOM 38 CA GLN k 38 36.210 47.599 46.650 1.00136.27 ATOM 39 CA ARG k 39 32.839 48.732 47.815 1.00138.43 ATOM 40 CA PRO k 40 30.226 46.516 46.093 1.00136.19 ATOM 41 CA GLY k 41 28.655 48.970 43.674 1.00146.45 ATOM 42 CA LYS k 42 31.851 50.908 42.958 1.00145.32 ATOM 43 CA GLY k 43 34.201 48.833 40.852 1.00136.43 ATOM 44 CA LEU k 44 37.580 48.701 42.591 1.00124.60 ATOM 45 CA GLU k 45 40.249 50.947 44.038 1.00117.89 ATOM 46 CA TRP k 46 43.667 49.385 43.868 1.00108.10 ATOM 47 CA ILE k 47 45.443 50.115 47.141 1.00113.59 ATOM 48 CA GLY k 48 48.969 48.814 46.770 1.00115.53 ATOM 49 CA GLN k 49 51.200 45.827 46.412 1.00112.04 ATOM 50 CA ILE k 50 54.325 44.859 48.129 1.00114.01 ATOM 51 CA TYR k 51 56.953 43.459 45.908 1.00114.82 ATOM 52 CA PRO k 52 58.715 40.727 47.970 1.00116.19 ATOM 53 CA GLY k 53 62.251 41.659 46.965 1.00122.25 ATOM 54 CA ASP k 54 63.478 45.001 48.199 1.00132.23 ATOM 55 CA GLY k 55 59.949 45.717 49.462 1.00127.17 ATOM 56 CA ASP k 56 58.348 47.813 46.761 1.00118.46 ATOM 57 CA THR k 57 54.945 49.452 46.734 1.00108.84 ATOM 58 CA ASN k 58 53.034 51.306 44.051 1.00103.08 ATOM 59 CA TYR k 59 49.870 53.102 45.102 1.00108.29 ATOM 60 CA ASN k 60 46.802 54.961 43.856 1.00108.89 ATOM 61 CA GLY k 61 46.312 58.701 44.308 1.00112.90 ATOM 62 CA LYS k 62 43.681 58.063 46.948 1.00112.31 ATOM 63 CA PHE k 63 46.099 55.863 48.923 1.00111.75 ATOM 64 CA LYS k 64 49.588 57.282 48.324 1.00115.87 ATOM 65 CA GLY k 65 50.304 58.101 51.960 1.00118.87 ATOM 66 CA LYS k 66 47.246 56.239 53.232 1.00118.73 ATOM 67 CA ALA k 67 48.257 52.551 53.261 1.00123.41 ATOM 68 CA THR k 68 50.618 50.273 55.169 1.00138.33 ATOM 69 CA LEU k 69 52.256 47.311 53.403 1.00135.57 ATOM 70 CA THR k 70 54.893 44.800 54.415 1.00135.04 ATOM 71 CA ALA k 71 55.591 41.122 53.702 1.00133.60 ATOM 72 CA ASP k 72 56.964 37.956 55.279 1.00136.76 ATOM 73 CA LYS k 73 59.698 37.567 52.652 1.00132.70 ATOM 74 CA SER k 74 60.747 34.124 53.842 1.00139.13 ATOM 75 CA SER k 75 57.503 32.320 54.666 1.00135.70 ATOM 76 CA SER k 76 55.354 33.625 51.786 1.00132.13 ATOM 77 CA THR k 77 53.002 36.181 53.312 1.00132.75 ATOM 78 CA ALA k 78 52.162 39.775 52.429 1.00132.26 ATOM 79 CA TYR k 79 50.839 41.974 55.237 1.00137.07 ATOM 80 CA MET k 80 48.106 44.524 54.686 1.00140.64 ATOM 81 CA GLN k 81 46.937 47.529 56.680 1.00143.77 ATOM 82 CA LEU k 82 44.904 50.611 55.864 1.00140.14 ATOM 83 CA SER k 83 45.674 52.692 58.957 1.00139.16 ATOM 84 CA SER k 84 42.665 53.971 60.935 1.00139.08 ATOM 85 CA LEU k 85 40.127 51.380 59.790 1.00138.17 ATOM 86 CA THR k 86 36.630 52.872 59.931 1.00141.94 ATOM 87 CA SER k 87 33.390 52.240 58.056 1.00144.18 ATOM 88 CA GLU k 88 34.710 54.357 55.163 1.00146.94 ATOM 89 CA ASP k 89 37.542 51.877 54.583 1.00142.55 ATOM 90 CA SER k 90 35.268 48.939 55.373 1.00141.95 ATOM 91 CA ALA k 91 36.005 47.204 52.074 1.00137.49 ATOM 92 CA VAL k 92 37.464 43.963 50.752 1.00138.81 ATOM 93 CA TYR k 93 41.234 44.036 51.139 1.00136.78 ATOM 94 CA PHE k 94 42.636 40.776 49.904 1.00139.12 ATOM 95 CA CYS k 95 45.137 39.152 47.725 1.00135.86 ATOM 96 CA ALA k 96 45.321 36.738 44.796 1.00133.93 ATOM 97 CA ARG k 97 47.423 36.107 41.693 1.00123.50 ATOM 98 CA GLY k 98 45.395 35.765 38.515 1.00124.34 ATOM 99 CA GLY k 99 44.627 39.438 38.079 1.00125.73 ATOM 100 CA LEU k 100 46.774 42.166 36.522 1.00121.55 ATOM 101 CA THR k 101 48.280 44.632 39.101 1.00126.97 ATOM 102 CA ILE k 102 44.999 43.967 40.933 1.00132.72 ATOM 103 CA ASP k 103 44.384 40.906 43.058 1.00139.51 ATOM 104 CA TYR k 104 41.100 40.844 44.798 1.00150.25 ATOM 105 CA TRP k 105 40.423 37.380 46.323 1.00152.63 ATOM 106 CA GLY k 106 36.984 38.197 47.604 1.00157.47 ATOM 107 CA GLN k 107 36.780 36.870 51.154 1.00155.64 ATOM 108 CA GLY k 108 34.960 40.010 52.265 1.00156.27 ATOM 109 CA THR k 109 35.857 40.640 55.924 1.00152.35 ATOM 110 CA THR k 110 35.017 44.343 56.200 1.00143.36 ATOM 111 CA LEU k 111 34.196 46.568 59.158 1.00141.50 ATOM 112 CA THR k 112 30.619 46.269 60.391 1.00148.05 ATOM 113 CA VAL k 113 30.498 48.471 63.493 1.00149.82 ATOM 114 CA SER k 114 27.651 48.043 65.935 1.00158.42 ATOM 115 CA SER k 115 25.814 48.563 69.225 1.00158.70 TER