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 U 1 216 PDB 7CW2 7CW2 1 216 SEQRES 1 U 100 ALA LYS THR THR ALA PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 U 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 U 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 U 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 U 100 PHE PRO ALA LEU LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 U 100 SER SER VAL THR VAL THR SER ASN THR TRP PRO SER GLN SEQRES 7 U 100 THR ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 U 100 LYS VAL ASP LYS LYS ILE GLU SER ARG ATOM 1 CA ALA U 116 124.869 152.677 83.207 1.00 18.97 ATOM 2 CA LYS U 117 128.259 152.978 81.501 1.00 20.29 ATOM 3 CA THR U 118 131.814 153.600 82.669 1.00 20.31 ATOM 4 CA THR U 119 132.544 157.340 82.662 1.00 19.13 ATOM 5 CA ALA U 120 135.997 158.894 82.744 1.00 18.54 ATOM 6 CA PRO U 121 136.615 161.354 85.594 1.00 18.78 ATOM 7 CA SER U 122 136.273 165.052 84.820 1.00 19.02 ATOM 8 CA VAL U 123 138.692 167.434 86.526 1.00 20.38 ATOM 9 CA TYR U 124 137.364 170.616 88.138 1.00 20.78 ATOM 10 CA PRO U 125 140.014 172.523 90.098 1.00 21.66 ATOM 11 CA LEU U 126 138.758 174.350 93.184 1.00 22.57 ATOM 12 CA ALA U 127 140.951 177.306 92.315 1.00 24.41 ATOM 13 CA PRO U 128 141.316 180.288 94.663 1.00 25.65 ATOM 14 CA VAL U 129 141.499 183.727 93.104 1.00 25.69 ATOM 15 CA CYS U 130 144.967 185.249 92.827 1.00 25.90 ATOM 16 CA GLY U 131 143.789 188.245 94.835 1.00 26.34 ATOM 17 CA GLY U 132 143.821 186.762 98.312 1.00 27.24 ATOM 18 CA THR U 133 144.513 183.223 99.486 1.00 26.54 ATOM 19 CA THR U 134 148.020 184.106 100.696 1.00 24.97 ATOM 20 CA GLY U 135 148.495 183.672 104.438 1.00 23.89 ATOM 21 CA SER U 136 149.724 181.026 106.865 1.00 21.25 ATOM 22 CA SER U 137 147.902 177.953 105.543 1.00 21.14 ATOM 23 CA VAL U 138 145.009 177.292 103.175 1.00 20.77 ATOM 24 CA THR U 139 143.372 174.154 101.826 1.00 21.59 ATOM 25 CA LEU U 140 143.825 173.142 98.190 1.00 21.59 ATOM 26 CA GLY U 141 140.813 171.507 96.571 1.00 21.87 ATOM 27 CA CYS U 142 140.516 169.302 93.486 1.00 20.77 ATOM 28 CA LEU U 143 136.878 168.493 92.751 1.00 20.88 ATOM 29 CA VAL U 144 136.583 165.434 90.503 1.00 19.07 ATOM 30 CA LYS U 145 133.022 165.179 89.203 1.00 18.57 ATOM 31 CA GLY U 146 131.241 162.936 86.734 1.00 18.38 ATOM 32 CA TYR U 147 132.499 159.352 86.910 1.00 18.44 ATOM 33 CA PHE U 148 130.521 156.106 87.143 1.00 19.67 ATOM 34 CA PRO U 149 133.212 153.496 87.993 1.00 20.31 ATOM 35 CA GLU U 150 135.661 153.080 90.915 1.00 19.25 ATOM 36 CA PRO U 151 136.389 156.209 92.985 1.00 18.73 ATOM 37 CA VAL U 152 138.942 158.473 91.354 1.00 18.83 ATOM 38 CA THR U 153 142.403 157.869 92.792 1.00 19.56 ATOM 39 CA LEU U 154 143.212 161.285 94.292 1.00 19.86 ATOM 40 CA THR U 155 146.889 161.659 95.222 1.00 21.00 ATOM 41 CA TRP U 156 148.343 165.141 95.628 1.00 20.16 ATOM 42 CA ASN U 157 151.817 165.850 94.214 1.00 20.00 ATOM 43 CA SER U 158 152.255 162.247 93.001 1.00 20.40 ATOM 44 CA GLY U 159 151.185 160.676 96.282 1.00 19.30 ATOM 45 CA SER U 160 153.694 162.862 98.135 1.00 19.12 ATOM 46 CA LEU U 161 151.049 165.114 99.688 1.00 19.40 ATOM 47 CA SER U 162 148.592 163.297 101.954 1.00 19.04 ATOM 48 CA SER U 163 148.941 165.180 105.258 1.00 18.77 ATOM 49 CA GLY U 164 145.737 166.739 106.549 1.00 17.67 ATOM 50 CA VAL U 165 143.569 165.255 103.801 1.00 17.71 ATOM 51 CA HIS U 166 139.863 164.633 104.390 1.00 17.07 ATOM 52 CA THR U 167 138.682 162.533 101.458 1.00 17.25 ATOM 53 CA PHE U 168 134.998 162.160 100.667 1.00 17.63 ATOM 54 CA PRO U 169 133.578 159.000 99.036 1.00 16.26 ATOM 55 CA ALA U 170 131.411 158.964 95.922 1.00 15.98 ATOM 56 CA LEU U 171 127.816 160.205 95.859 1.00 16.86 ATOM 57 CA LEU U 172 125.018 159.649 93.343 1.00 17.67 ATOM 58 CA GLN U 173 124.668 162.410 90.719 1.00 18.44 ATOM 59 CA SER U 174 121.956 161.227 88.294 1.00 18.13 ATOM 60 CA GLY U 175 123.929 158.025 87.808 1.00 18.65 ATOM 61 CA LEU U 176 127.294 159.763 87.887 1.00 18.07 ATOM 62 CA TYR U 177 129.507 159.797 90.969 1.00 17.46 ATOM 63 CA THR U 178 131.499 162.713 92.368 1.00 17.51 ATOM 64 CA LEU U 179 134.567 162.827 94.613 1.00 18.20 ATOM 65 CA SER U 180 135.709 165.729 96.778 1.00 18.09 ATOM 66 CA SER U 181 138.561 166.226 99.232 1.00 18.03 ATOM 67 CA SER U 182 140.625 168.885 100.993 1.00 17.96 ATOM 68 CA VAL U 183 144.408 168.721 101.317 1.00 19.45 ATOM 69 CA THR U 184 146.329 170.761 103.903 1.00 18.98 ATOM 70 CA VAL U 185 149.366 172.833 102.880 1.00 19.39 ATOM 71 CA THR U 186 150.818 176.279 103.561 1.00 19.51 ATOM 72 CA SER U 187 150.590 179.471 101.516 1.00 19.89 ATOM 73 CA ASN U 188 154.364 179.229 101.012 1.00 20.35 ATOM 74 CA THR U 189 153.724 176.190 98.769 1.00 22.19 ATOM 75 CA TRP U 190 150.914 177.437 96.518 1.00 23.58 ATOM 76 CA PRO U 191 152.973 180.323 95.019 1.00 24.03 ATOM 77 CA SER U 192 156.204 178.274 94.960 1.00 23.57 ATOM 78 CA GLN U 193 155.286 174.622 94.308 1.00 23.33 ATOM 79 CA THR U 194 153.100 173.844 91.306 1.00 22.80 ATOM 80 CA ILE U 195 150.494 171.471 92.735 1.00 22.07 ATOM 81 CA THR U 196 149.601 168.122 91.156 1.00 20.84 ATOM 82 CA CYS U 197 146.124 166.571 91.352 1.00 21.36 ATOM 83 CA ASN U 198 146.545 163.048 89.990 1.00 20.36 ATOM 84 CA VAL U 199 143.193 162.212 88.412 1.00 20.21 ATOM 85 CA ALA U 200 143.661 158.536 87.543 1.00 20.50 ATOM 86 CA HIS U 201 140.930 155.964 86.953 1.00 21.67 ATOM 87 CA PRO U 202 141.822 152.422 85.815 1.00 22.47 ATOM 88 CA ALA U 203 138.254 151.585 84.767 1.00 22.64 ATOM 89 CA SER U 204 138.475 154.510 82.322 1.00 23.12 ATOM 90 CA SER U 205 142.290 154.618 81.896 1.00 22.91 ATOM 91 CA THR U 206 143.030 158.336 82.064 1.00 22.61 ATOM 92 CA LYS U 207 145.579 160.158 84.246 1.00 21.49 ATOM 93 CA VAL U 208 144.986 163.925 84.140 1.00 22.04 ATOM 94 CA ASP U 209 146.821 166.500 86.244 1.00 22.29 ATOM 95 CA LYS U 210 145.622 170.010 87.005 1.00 22.05 ATOM 96 CA LYS U 211 147.379 173.185 88.128 1.00 22.84 ATOM 97 CA ILE U 212 145.489 175.904 89.983 1.00 24.10 ATOM 98 CA GLU U 213 145.597 178.735 87.454 1.00 25.80 ATOM 99 CA SER U 214 145.577 182.109 89.194 1.00 25.68 ATOM 100 CA ARG U 215 143.058 184.738 88.103 1.00 25.63 TER