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 m 1 216 PDB 7CW3 7CW3 1 216 SEQRES 1 m 100 ALA LYS THR THR ALA PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 m 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 m 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 m 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 m 100 PHE PRO ALA LEU LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 m 100 SER SER VAL THR VAL THR SER ASN THR TRP PRO SER GLN SEQRES 7 m 100 THR ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 m 100 LYS VAL ASP LYS LYS ILE GLU SER ARG ATOM 1 CA ALA m 116 -28.868 21.801 74.208 1.00160.08 ATOM 2 CA LYS m 117 -27.256 25.153 73.800 1.00153.71 ATOM 3 CA THR m 118 -23.789 25.523 72.265 1.00148.86 ATOM 4 CA THR m 119 -22.298 22.119 73.008 1.00153.20 ATOM 5 CA ALA m 120 -18.807 20.603 72.807 1.00155.47 ATOM 6 CA PRO m 121 -18.068 17.728 70.388 1.00154.48 ATOM 7 CA SER m 122 -17.289 14.274 71.805 1.00156.71 ATOM 8 CA VAL m 123 -14.496 13.203 69.497 1.00158.17 ATOM 9 CA TYR m 124 -13.498 9.595 68.842 1.00162.26 ATOM 10 CA PRO m 125 -11.490 7.608 66.266 1.00167.66 ATOM 11 CA LEU m 126 -13.172 5.697 63.460 1.00167.60 ATOM 12 CA ALA m 127 -9.916 3.830 62.873 1.00173.64 ATOM 13 CA PRO m 128 -9.903 0.840 60.439 1.00171.96 ATOM 14 CA VAL m 129 -10.013 -2.917 61.108 1.00166.48 ATOM 15 CA CYS m 130 -8.065 -4.045 64.165 1.00166.59 ATOM 16 CA GLY m 131 -6.156 -6.808 62.410 1.00164.76 ATOM 17 CA GLY m 132 -3.289 -5.807 60.154 1.00163.23 ATOM 18 CA THR m 133 -2.595 -2.061 59.900 1.00165.39 ATOM 19 CA THR m 134 0.095 -2.455 57.238 1.00177.53 ATOM 20 CA GLY m 135 -0.958 -2.254 53.591 1.00187.45 ATOM 21 CA SER m 136 -0.931 0.044 50.609 1.00194.45 ATOM 22 CA SER m 137 -3.675 2.400 51.801 1.00194.27 ATOM 23 CA VAL m 138 -6.841 2.369 53.924 1.00188.41 ATOM 24 CA THR m 139 -9.702 4.799 54.466 1.00183.21 ATOM 25 CA LEU m 140 -9.683 6.318 57.925 1.00177.47 ATOM 26 CA GLY m 141 -12.340 8.105 59.952 1.00172.44 ATOM 27 CA CYS m 142 -13.090 10.008 63.151 1.00170.03 ATOM 28 CA LEU m 143 -16.271 9.973 65.251 1.00158.74 ATOM 29 CA VAL m 144 -17.683 13.318 66.381 1.00152.39 ATOM 30 CA LYS m 145 -20.518 12.993 68.868 1.00150.00 ATOM 31 CA GLY m 146 -23.071 15.171 70.596 1.00151.30 ATOM 32 CA TYR m 147 -22.458 18.859 69.930 1.00147.11 ATOM 33 CA PHE m 148 -24.358 22.039 69.022 1.00144.25 ATOM 34 CA PRO m 149 -24.535 23.831 66.667 1.00135.42 ATOM 35 CA GLU m 150 -23.487 22.497 63.278 1.00130.88 ATOM 36 CA PRO m 151 -20.795 22.170 62.184 1.00136.37 ATOM 37 CA VAL m 152 -17.533 21.317 63.855 1.00151.84 ATOM 38 CA THR m 153 -14.341 22.215 62.012 1.00161.38 ATOM 39 CA LEU m 154 -12.840 18.735 61.870 1.00165.09 ATOM 40 CA THR m 155 -9.220 19.431 60.959 1.00167.72 ATOM 41 CA TRP m 156 -6.900 16.509 60.286 1.00171.94 ATOM 42 CA ASN m 157 -3.544 17.188 62.040 1.00170.55 ATOM 43 CA SER m 158 -5.025 20.580 63.097 1.00168.99 ATOM 44 CA GLY m 159 -5.309 21.229 59.371 1.00171.02 ATOM 45 CA SER m 160 -1.732 20.220 58.538 1.00172.62 ATOM 46 CA LEU m 161 -2.411 17.042 56.577 1.00176.35 ATOM 47 CA SER m 162 -6.064 17.878 55.916 1.00179.01 ATOM 48 CA SER m 163 -6.193 17.904 52.095 1.00180.16 ATOM 49 CA GLY m 164 -7.986 15.252 50.082 1.00178.62 ATOM 50 CA VAL m 165 -10.532 14.720 52.844 1.00171.61 ATOM 51 CA HIS m 166 -14.283 14.133 52.836 1.00161.94 ATOM 52 CA THR m 167 -16.111 15.724 55.739 1.00150.85 ATOM 53 CA PHE m 168 -19.588 14.385 56.419 1.00149.05 ATOM 54 CA PRO m 169 -22.441 16.483 57.875 1.00138.06 ATOM 55 CA ALA m 170 -23.961 15.795 61.257 1.00126.13 ATOM 56 CA LEU m 171 -27.656 15.111 61.770 1.00128.89 ATOM 57 CA LEU m 172 -30.256 15.926 64.403 1.00139.75 ATOM 58 CA GLN m 173 -30.568 14.167 67.739 1.00149.88 ATOM 59 CA SER m 174 -32.413 16.662 70.002 1.00146.33 ATOM 60 CA GLY m 175 -29.851 19.260 68.903 1.00140.75 ATOM 61 CA LEU m 176 -26.971 16.941 69.882 1.00143.97 ATOM 62 CA TYR m 177 -25.028 16.241 66.718 1.00144.11 ATOM 63 CA THR m 178 -23.204 13.142 65.485 1.00140.22 ATOM 64 CA LEU m 179 -20.563 13.714 62.797 1.00144.23 ATOM 65 CA SER m 180 -17.763 11.857 61.048 1.00146.58 ATOM 66 CA SER m 181 -15.123 12.710 58.412 1.00156.55 ATOM 67 CA SER m 182 -12.359 10.956 56.508 1.00166.73 ATOM 68 CA VAL m 183 -8.693 11.285 55.839 1.00178.28 ATOM 69 CA THR m 184 -7.523 8.494 53.536 1.00184.47 ATOM 70 CA VAL m 185 -4.253 7.172 54.927 1.00191.50 ATOM 71 CA THR m 186 -1.654 5.019 53.349 1.00193.43 ATOM 72 CA SER m 187 0.371 2.688 55.515 1.00190.05 ATOM 73 CA ASN m 188 2.899 5.394 54.681 1.00186.19 ATOM 74 CA THR m 189 0.383 7.677 56.472 1.00181.28 ATOM 75 CA TRP m 190 -1.103 5.430 59.173 1.00177.89 ATOM 76 CA PRO m 191 0.347 3.552 61.215 1.00176.66 ATOM 77 CA SER m 192 3.235 5.612 59.863 1.00177.64 ATOM 78 CA GLN m 193 2.484 9.350 59.865 1.00173.33 ATOM 79 CA THR m 194 0.756 11.379 62.533 1.00173.54 ATOM 80 CA ILE m 195 -2.777 11.749 61.320 1.00172.91 ATOM 81 CA THR m 196 -4.718 13.467 64.069 1.00170.08 ATOM 82 CA CYS m 197 -8.432 14.278 64.163 1.00169.32 ATOM 83 CA ASN m 198 -8.304 17.782 65.620 1.00168.09 ATOM 84 CA VAL m 199 -11.997 18.625 65.866 1.00160.96 ATOM 85 CA ALA m 200 -12.315 22.239 66.876 1.00155.82 ATOM 86 CA HIS m 201 -15.698 23.880 67.443 1.00148.61 ATOM 87 CA PRO m 202 -15.582 27.672 66.926 1.00145.44 ATOM 88 CA ALA m 203 -18.999 28.365 68.502 1.00141.75 ATOM 89 CA SER m 204 -18.196 26.733 71.867 1.00147.10 ATOM 90 CA SER m 205 -14.410 27.355 71.482 1.00151.41 ATOM 91 CA THR m 206 -13.940 23.591 71.955 1.00151.53 ATOM 92 CA LYS m 207 -10.626 22.595 70.345 1.00150.09 ATOM 93 CA VAL m 208 -10.375 18.819 70.799 1.00152.21 ATOM 94 CA ASP m 209 -7.066 17.182 70.016 1.00155.94 ATOM 95 CA LYS m 210 -7.780 13.541 69.203 1.00157.82 ATOM 96 CA LYS m 211 -5.269 11.194 67.619 1.00167.58 ATOM 97 CA ILE m 212 -6.835 8.291 65.744 1.00173.59 ATOM 98 CA GLU m 213 -6.137 5.459 68.168 1.00171.24 ATOM 99 CA SER m 214 -4.694 2.093 67.257 1.00174.37 ATOM 100 CA ARG m 215 -7.154 -0.515 68.383 1.00178.06 TER