HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 7CW2 TITLE Cryo-EM structure of Chikungunya virus in complex with Fab fragments TITLE 2 of mAb CHK-263 (subregion around icosahedral 5-fold vertex) COMPND MOL_ID: 4; COMPND 2 MOLECULE: Fab heavy chain; COMPND 3 CHAIN: U, W; EXPDTA ELECTRON MICROSCOPY DBREF 7CW2 W 1 216 PDB 7CW2 7CW2 1 216 SEQRES 1 W 100 ALA LYS THR THR ALA PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 W 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 W 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 W 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 W 100 PHE PRO ALA LEU LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 W 100 SER SER VAL THR VAL THR SER ASN THR TRP PRO SER GLN SEQRES 7 W 100 THR ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 W 100 LYS VAL ASP LYS LYS ILE GLU SER ARG ATOM 1 CA ALA W 116 174.551 186.186 80.865 1.00 20.29 ATOM 2 CA LYS W 117 171.810 184.018 79.356 1.00 20.17 ATOM 3 CA THR W 118 169.329 181.487 80.709 1.00 20.85 ATOM 4 CA THR W 119 170.844 177.993 80.583 1.00 21.07 ATOM 5 CA ALA W 120 168.892 174.755 80.806 1.00 20.93 ATOM 6 CA PRO W 121 169.988 172.374 83.579 1.00 20.66 ATOM 7 CA SER W 122 172.302 169.523 82.626 1.00 20.31 ATOM 8 CA VAL W 123 171.790 166.186 84.370 1.00 19.56 ATOM 9 CA TYR W 124 174.800 164.317 85.757 1.00 19.86 ATOM 10 CA PRO W 125 173.848 161.241 87.789 1.00 19.87 ATOM 11 CA LEU W 126 176.143 160.444 90.711 1.00 20.46 ATOM 12 CA ALA W 127 175.949 156.767 89.849 1.00 21.24 ATOM 13 CA PRO W 128 177.510 154.100 92.083 1.00 21.78 ATOM 14 CA VAL W 129 179.188 151.166 90.390 1.00 23.58 ATOM 15 CA CYS W 130 177.180 147.946 90.257 1.00 25.03 ATOM 16 CA GLY W 131 179.991 146.143 92.057 1.00 24.76 ATOM 17 CA GLY W 132 179.385 147.341 95.591 1.00 23.54 ATOM 18 CA THR W 133 176.903 149.862 96.958 1.00 22.12 ATOM 19 CA THR W 134 174.613 147.144 98.339 1.00 21.34 ATOM 20 CA GLY W 135 174.256 147.226 102.118 1.00 20.07 ATOM 21 CA SER W 136 171.932 148.705 104.728 1.00 19.02 ATOM 22 CA SER W 137 171.592 152.271 103.433 1.00 19.91 ATOM 23 CA VAL W 138 173.418 154.460 100.926 1.00 18.59 ATOM 24 CA THR W 139 172.887 157.975 99.617 1.00 19.26 ATOM 25 CA LEU W 140 171.672 158.557 96.063 1.00 18.51 ATOM 26 CA GLY W 141 173.100 161.614 94.337 1.00 19.10 ATOM 27 CA CYS W 142 171.867 163.603 91.339 1.00 19.23 ATOM 28 CA LEU W 143 174.344 166.334 90.420 1.00 19.51 ATOM 29 CA VAL W 144 172.688 169.024 88.295 1.00 19.17 ATOM 30 CA LYS W 145 175.372 171.256 86.794 1.00 18.50 ATOM 31 CA GLY W 146 175.382 174.117 84.321 1.00 19.50 ATOM 32 CA TYR W 147 172.335 176.356 84.729 1.00 19.84 ATOM 33 CA PHE W 148 172.142 180.150 84.983 1.00 20.26 ATOM 34 CA PRO W 149 168.518 180.773 86.107 1.00 20.22 ATOM 35 CA GLU W 150 166.490 179.722 89.188 1.00 19.61 ATOM 36 CA PRO W 151 167.816 176.729 91.160 1.00 19.98 ATOM 37 CA VAL W 152 166.877 173.418 89.589 1.00 19.67 ATOM 38 CA THR W 153 163.801 171.951 91.260 1.00 19.93 ATOM 39 CA LEU W 154 165.179 168.676 92.655 1.00 18.74 ATOM 40 CA THR W 155 162.440 166.282 93.790 1.00 18.15 ATOM 41 CA TRP W 156 163.245 162.588 94.130 1.00 18.32 ATOM 42 CA ASN W 157 160.687 160.036 92.901 1.00 19.16 ATOM 43 CA SER W 158 158.199 162.757 91.874 1.00 18.77 ATOM 44 CA GLY W 159 158.434 164.653 95.150 1.00 18.50 ATOM 45 CA SER W 160 157.749 161.427 97.054 1.00 18.51 ATOM 46 CA LEU W 161 161.310 161.070 98.345 1.00 17.76 ATOM 47 CA SER W 162 162.470 163.956 100.534 1.00 17.63 ATOM 48 CA SER W 163 163.494 162.202 103.769 1.00 17.26 ATOM 49 CA GLY W 164 167.104 162.733 104.794 1.00 17.29 ATOM 50 CA VAL W 165 167.841 165.190 101.986 1.00 17.63 ATOM 51 CA HIS W 166 170.577 167.803 102.376 1.00 17.02 ATOM 52 CA THR W 167 170.141 170.207 99.472 1.00 16.51 ATOM 53 CA PHE W 168 172.896 172.605 98.476 1.00 16.83 ATOM 54 CA PRO W 169 172.155 176.015 96.902 1.00 17.45 ATOM 55 CA ALA W 170 173.682 177.279 93.667 1.00 18.05 ATOM 56 CA LEU W 171 177.332 178.295 93.332 1.00 17.87 ATOM 57 CA LEU W 172 179.127 180.343 90.678 1.00 18.72 ATOM 58 CA GLN W 173 180.780 178.272 87.919 1.00 19.08 ATOM 59 CA SER W 174 182.158 180.788 85.389 1.00 18.68 ATOM 60 CA GLY W 175 178.691 182.308 85.163 1.00 18.11 ATOM 61 CA LEU W 176 176.915 178.967 85.370 1.00 18.96 ATOM 62 CA TYR W 177 175.347 177.679 88.576 1.00 19.29 ATOM 63 CA THR W 178 175.464 174.146 89.965 1.00 18.79 ATOM 64 CA LEU W 179 173.177 172.309 92.384 1.00 17.34 ATOM 65 CA SER W 180 174.041 169.268 94.486 1.00 16.78 ATOM 66 CA SER W 181 172.163 167.237 97.084 1.00 16.57 ATOM 67 CA SER W 182 172.102 163.873 98.850 1.00 17.62 ATOM 68 CA VAL W 183 168.926 161.863 99.410 1.00 18.57 ATOM 69 CA THR W 184 168.695 159.090 102.015 1.00 19.07 ATOM 70 CA VAL W 185 167.295 155.662 101.089 1.00 19.42 ATOM 71 CA THR W 186 168.102 151.999 101.707 1.00 20.30 ATOM 72 CA SER W 187 169.941 149.503 99.514 1.00 21.04 ATOM 73 CA ASN W 188 166.668 147.562 99.251 1.00 21.27 ATOM 74 CA THR W 189 165.307 150.432 97.108 1.00 21.44 ATOM 75 CA TRP W 190 168.153 151.002 94.638 1.00 21.44 ATOM 76 CA PRO W 191 167.981 147.459 93.143 1.00 22.33 ATOM 77 CA SER W 192 164.165 147.315 93.369 1.00 22.42 ATOM 78 CA GLN W 193 162.805 150.844 92.823 1.00 21.98 ATOM 79 CA THR W 194 163.936 152.729 89.730 1.00 21.17 ATOM 80 CA ILE W 195 164.842 156.159 91.101 1.00 20.65 ATOM 81 CA THR W 196 163.564 159.426 89.618 1.00 19.42 ATOM 82 CA CYS W 197 165.557 162.675 89.670 1.00 19.01 ATOM 83 CA ASN W 198 163.117 165.340 88.491 1.00 18.63 ATOM 84 CA VAL W 199 165.281 167.933 86.750 1.00 18.69 ATOM 85 CA ALA W 200 162.753 170.696 86.072 1.00 20.20 ATOM 86 CA HIS W 201 163.497 174.364 85.431 1.00 20.50 ATOM 87 CA PRO W 202 160.677 176.777 84.504 1.00 21.78 ATOM 88 CA ALA W 203 163.055 179.492 83.279 1.00 21.04 ATOM 89 CA SER W 204 164.346 176.961 80.727 1.00 21.21 ATOM 90 CA SER W 205 161.242 174.709 80.529 1.00 21.87 ATOM 91 CA THR W 206 162.748 171.227 80.580 1.00 20.68 ATOM 92 CA LYS W 207 161.849 168.277 82.830 1.00 19.17 ATOM 93 CA VAL W 208 164.458 165.511 82.524 1.00 18.81 ATOM 94 CA ASP W 209 164.564 162.346 84.622 1.00 19.20 ATOM 95 CA LYS W 210 167.590 160.134 85.155 1.00 20.02 ATOM 96 CA LYS W 211 168.026 156.521 86.242 1.00 20.34 ATOM 97 CA ILE W 212 171.254 155.351 87.860 1.00 20.93 ATOM 98 CA GLU W 213 172.578 152.961 85.221 1.00 22.06 ATOM 99 CA SER W 214 174.632 150.191 86.808 1.00 23.58 ATOM 100 CA ARG W 215 178.106 149.456 85.453 1.00 23.80 TER