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 100 ALA LYS THR THR ALA PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 q 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 q 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 q 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 q 100 PHE PRO ALA LEU LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 q 100 SER SER VAL THR VAL THR SER ASN THR TRP PRO SER GLN SEQRES 7 q 100 THR ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 q 100 LYS VAL ASP LYS LYS ILE GLU SER ARG ATOM 1 CA ALA q 116 39.819 -6.629 70.784 1.00160.08 ATOM 2 CA LYS q 117 38.220 -10.012 70.746 1.00153.71 ATOM 3 CA THR q 118 34.644 -10.512 69.529 1.00148.86 ATOM 4 CA THR q 119 33.177 -7.073 70.152 1.00153.20 ATOM 5 CA ALA q 120 29.663 -5.598 70.132 1.00155.47 ATOM 6 CA PRO q 121 28.695 -2.906 67.586 1.00154.48 ATOM 7 CA SER q 122 27.992 0.635 68.816 1.00156.71 ATOM 8 CA VAL q 123 25.008 1.522 66.675 1.00158.17 ATOM 9 CA TYR q 124 23.916 5.068 65.853 1.00162.26 ATOM 10 CA PRO q 125 21.681 6.854 63.318 1.00167.66 ATOM 11 CA LEU q 126 23.106 8.573 60.256 1.00167.60 ATOM 12 CA ALA q 127 19.791 10.372 59.809 1.00173.64 ATOM 13 CA PRO q 128 19.544 13.182 57.180 1.00171.96 ATOM 14 CA VAL q 129 19.663 16.977 57.573 1.00166.48 ATOM 15 CA CYS q 130 17.956 18.308 60.693 1.00166.59 ATOM 16 CA GLY q 131 15.877 20.926 58.910 1.00164.76 ATOM 17 CA GLY q 132 12.848 19.750 56.972 1.00163.23 ATOM 18 CA THR q 133 12.181 15.991 57.040 1.00165.39 ATOM 19 CA THR q 134 9.279 16.178 54.586 1.00177.53 ATOM 20 CA GLY q 135 10.034 15.726 50.888 1.00187.45 ATOM 21 CA SER q 136 9.793 13.222 48.087 1.00194.45 ATOM 22 CA SER q 137 12.654 10.974 49.212 1.00194.27 ATOM 23 CA VAL q 138 15.980 11.176 51.062 1.00188.41 ATOM 24 CA THR q 139 18.906 8.808 51.536 1.00183.21 ATOM 25 CA LEU q 140 19.187 7.539 55.083 1.00177.47 ATOM 26 CA GLY q 141 22.021 5.917 57.005 1.00172.44 ATOM 27 CA CYS q 142 23.052 4.250 60.258 1.00170.03 ATOM 28 CA LEU q 143 26.393 4.454 62.082 1.00158.74 ATOM 29 CA VAL q 144 27.932 1.207 63.324 1.00152.39 ATOM 30 CA LYS q 145 30.956 1.725 65.542 1.00150.00 ATOM 31 CA GLY q 146 33.667 -0.309 67.204 1.00151.30 ATOM 32 CA TYR q 147 33.047 -4.039 66.850 1.00147.11 ATOM 33 CA PHE q 148 34.905 -7.262 66.014 1.00144.25 ATOM 34 CA PRO q 149 34.912 -9.216 63.784 1.00135.42 ATOM 35 CA GLU q 150 33.576 -8.132 60.407 1.00130.88 ATOM 36 CA PRO q 151 30.800 -7.901 59.517 1.00136.37 ATOM 37 CA VAL q 152 27.674 -6.952 61.386 1.00151.84 ATOM 38 CA THR q 153 24.355 -7.999 59.879 1.00161.38 ATOM 39 CA LEU q 154 22.804 -4.547 59.617 1.00165.09 ATOM 40 CA THR q 155 19.131 -5.329 59.056 1.00167.72 ATOM 41 CA TRP q 156 16.729 -2.477 58.373 1.00171.94 ATOM 42 CA ASN q 157 13.535 -3.051 60.439 1.00170.55 ATOM 43 CA SER q 158 15.139 -6.350 61.607 1.00168.99 ATOM 44 CA GLY q 159 15.126 -7.261 57.925 1.00171.02 ATOM 45 CA SER q 160 11.481 -6.336 57.318 1.00172.62 ATOM 46 CA LEU q 161 11.960 -3.300 55.090 1.00176.35 ATOM 47 CA SER q 162 15.557 -4.158 54.192 1.00179.01 ATOM 48 CA SER q 163 15.376 -4.453 50.385 1.00180.16 ATOM 49 CA GLY q 164 16.966 -1.940 48.051 1.00178.62 ATOM 50 CA VAL q 165 19.722 -1.197 50.551 1.00171.61 ATOM 51 CA HIS q 166 23.453 -0.588 50.194 1.00161.94 ATOM 52 CA THR q 167 25.530 -1.958 53.042 1.00150.85 ATOM 53 CA PHE q 168 29.033 -0.551 53.339 1.00149.05 ATOM 54 CA PRO q 169 32.021 -2.523 54.700 1.00138.06 ATOM 55 CA ALA q 170 33.802 -1.587 57.890 1.00126.13 ATOM 56 CA LEU q 171 37.518 -0.845 58.049 1.00128.89 ATOM 57 CA LEU q 172 40.333 -1.455 60.510 1.00139.75 ATOM 58 CA GLN q 173 40.894 0.539 63.678 1.00149.88 ATOM 59 CA SER q 174 42.947 -1.778 65.952 1.00146.33 ATOM 60 CA GLY q 175 40.336 -4.464 65.251 1.00140.75 ATOM 61 CA LEU q 176 37.517 -2.100 66.298 1.00143.97 ATOM 62 CA TYR q 177 35.315 -1.639 63.262 1.00144.11 ATOM 63 CA THR q 178 33.359 1.354 61.969 1.00140.22 ATOM 64 CA LEU q 179 30.516 0.576 59.553 1.00144.23 ATOM 65 CA SER q 180 27.560 2.287 57.914 1.00146.58 ATOM 66 CA SER q 181 24.726 1.232 55.570 1.00156.55 ATOM 67 CA SER q 182 21.794 2.829 53.780 1.00166.73 ATOM 68 CA VAL q 183 18.091 2.430 53.438 1.00178.28 ATOM 69 CA THR q 184 16.704 5.043 51.049 1.00184.47 ATOM 70 CA VAL q 185 13.542 6.439 52.607 1.00191.50 ATOM 71 CA THR q 186 10.797 8.459 51.100 1.00193.43 ATOM 72 CA SER q 187 8.927 10.925 53.256 1.00190.05 ATOM 73 CA ASN q 188 6.372 8.150 52.824 1.00186.19 ATOM 74 CA THR q 189 9.053 6.016 54.558 1.00181.28 ATOM 75 CA TRP q 190 10.726 8.458 56.965 1.00177.89 ATOM 76 CA PRO q 191 9.424 10.466 58.982 1.00176.66 ATOM 77 CA SER q 192 6.462 8.298 58.019 1.00177.64 ATOM 78 CA GLN q 193 7.256 4.574 58.221 1.00173.33 ATOM 79 CA THR q 194 9.219 2.751 60.875 1.00173.54 ATOM 80 CA ILE q 195 12.646 2.317 59.405 1.00172.91 ATOM 81 CA THR q 196 14.825 0.811 62.100 1.00170.08 ATOM 82 CA CYS q 197 18.544 0.033 61.945 1.00169.32 ATOM 83 CA ASN q 198 18.578 -3.360 63.650 1.00168.09 ATOM 84 CA VAL q 199 22.288 -4.160 63.650 1.00160.96 ATOM 85 CA ALA q 200 22.731 -7.691 64.882 1.00155.82 ATOM 86 CA HIS q 201 26.169 -9.266 65.283 1.00148.61 ATOM 87 CA PRO q 202 26.057 -13.086 65.045 1.00145.44 ATOM 88 CA ALA q 203 29.599 -13.644 66.380 1.00141.75 ATOM 89 CA SER q 204 29.053 -11.783 69.677 1.00147.10 ATOM 90 CA SER q 205 25.255 -12.454 69.648 1.00151.41 ATOM 91 CA THR q 206 24.780 -8.669 69.893 1.00151.53 ATOM 92 CA LYS q 207 21.334 -7.811 68.495 1.00150.09 ATOM 93 CA VAL q 208 21.075 -4.014 68.701 1.00152.21 ATOM 94 CA ASP q 209 17.693 -2.458 68.080 1.00155.94 ATOM 95 CA LYS q 210 18.295 1.121 66.958 1.00157.82 ATOM 96 CA LYS q 211 15.635 3.334 65.424 1.00167.58 ATOM 97 CA ILE q 212 17.008 6.106 63.228 1.00173.59 ATOM 98 CA GLU q 213 16.475 9.099 65.496 1.00171.24 ATOM 99 CA SER q 214 14.922 12.382 64.474 1.00174.37 ATOM 100 CA ARG q 215 17.434 15.079 65.208 1.00178.06 TER