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 115 VAL GLN LEU GLN GLN SER GLY ALA GLU LEU VAL LYS PRO SEQRES 2 W 115 GLY ALA SER VAL LYS ILE SER CYS LYS ALA SER GLY TYR SEQRES 3 W 115 ALA PHE SER SER TYR TRP MET ASN TRP VAL LYS GLN ARG SEQRES 4 W 115 PRO GLY LYS GLY LEU GLU TRP ILE GLY GLN ILE TYR PRO SEQRES 5 W 115 GLY ASP GLY ASP THR ASN TYR ASN GLY LYS PHE LYS GLY SEQRES 6 W 115 LYS ALA THR LEU THR ALA ASP LYS SER SER SER THR ALA SEQRES 7 W 115 TYR MET GLN LEU SER SER LEU THR SER GLU ASP SER ALA SEQRES 8 W 115 VAL TYR PHE CYS ALA ARG GLY GLY LEU THR ILE ASP TYR SEQRES 9 W 115 TRP GLY GLN GLY THR THR LEU THR VAL SER SER ATOM 1 CA VAL W 1 154.280 197.024 106.885 1.00124.58 ATOM 2 CA GLN W 2 154.586 200.745 106.151 1.00131.12 ATOM 3 CA LEU W 3 156.273 201.473 102.809 1.00131.92 ATOM 4 CA GLN W 4 156.562 199.879 99.382 1.00130.64 ATOM 5 CA GLN W 5 159.666 198.244 97.941 1.00130.62 ATOM 6 CA SER W 6 161.360 198.804 94.588 1.00137.29 ATOM 7 CA GLY W 7 160.308 195.344 93.389 1.00137.40 ATOM 8 CA ALA W 8 162.305 192.286 92.400 1.00143.35 ATOM 9 CA GLU W 9 164.840 193.261 89.743 1.00142.69 ATOM 10 CA LEU W 10 167.376 191.310 87.684 1.00141.92 ATOM 11 CA VAL W 11 169.917 192.819 85.285 1.00141.40 ATOM 12 CA LYS W 12 173.320 192.159 83.706 1.00132.83 ATOM 13 CA PRO W 13 176.446 194.204 84.498 1.00139.57 ATOM 14 CA GLY W 14 176.883 197.465 82.643 1.00147.55 ATOM 15 CA ALA W 15 174.400 200.338 82.729 1.00152.63 ATOM 16 CA SER W 16 173.309 201.938 85.999 1.00152.03 ATOM 17 CA VAL W 17 169.988 200.703 87.355 1.00146.83 ATOM 18 CA LYS W 18 167.560 203.158 88.963 1.00142.74 ATOM 19 CA ILE W 19 164.985 201.494 91.202 1.00136.80 ATOM 20 CA SER W 20 162.341 203.391 93.171 1.00132.14 ATOM 21 CA CYS W 21 161.365 202.208 96.646 1.00130.55 ATOM 22 CA LYS W 22 158.048 203.943 97.255 1.00129.47 ATOM 23 CA ALA W 23 157.977 205.588 100.665 1.00125.11 ATOM 24 CA SER W 24 154.331 204.670 101.290 1.00130.14 ATOM 25 CA GLY W 25 154.372 204.510 105.093 1.00132.68 ATOM 26 CA TYR W 26 152.148 206.443 107.478 1.00127.18 ATOM 27 CA ALA W 27 154.453 209.467 107.126 1.00123.93 ATOM 28 CA PHE W 28 156.443 210.445 104.039 1.00120.22 ATOM 29 CA SER W 29 158.203 213.688 105.017 1.00124.11 ATOM 30 CA SER W 30 158.931 212.712 108.642 1.00122.96 ATOM 31 CA TYR W 31 161.275 209.725 108.267 1.00120.14 ATOM 32 CA TRP W 32 164.311 209.357 106.052 1.00116.21 ATOM 33 CA MET W 33 165.279 206.412 103.892 1.00124.84 ATOM 34 CA ASN W 34 168.489 204.406 104.051 1.00126.89 ATOM 35 CA TRP W 35 170.156 201.919 101.741 1.00129.36 ATOM 36 CA VAL W 36 171.979 198.842 102.978 1.00126.93 ATOM 37 CA LYS W 37 174.228 196.074 101.687 1.00127.02 ATOM 38 CA GLN W 38 174.113 192.417 102.720 1.00123.49 ATOM 39 CA ARG W 39 176.533 189.699 101.604 1.00122.96 ATOM 40 CA PRO W 40 176.261 186.410 103.509 1.00118.95 ATOM 41 CA GLY W 41 179.817 185.100 103.128 1.00113.60 ATOM 42 CA LYS W 42 181.564 188.378 102.253 1.00114.60 ATOM 43 CA GLY W 43 180.518 190.689 105.102 1.00110.09 ATOM 44 CA LEU W 44 178.097 193.533 105.700 1.00114.11 ATOM 45 CA GLU W 45 178.019 197.099 104.420 1.00120.79 ATOM 46 CA TRP W 46 175.801 200.171 104.435 1.00120.87 ATOM 47 CA ILE W 47 175.235 202.841 101.816 1.00124.59 ATOM 48 CA GLY W 48 173.774 206.133 102.999 1.00121.55 ATOM 49 CA GLN W 49 170.774 208.307 103.749 1.00121.16 ATOM 50 CA ILE W 50 168.815 211.112 102.092 1.00120.98 ATOM 51 CA TYR W 51 165.690 213.198 102.639 1.00117.75 ATOM 52 CA PRO W 52 162.845 214.403 100.420 1.00121.12 ATOM 53 CA GLY W 53 163.347 218.006 101.477 1.00129.22 ATOM 54 CA ASP W 54 165.692 220.294 99.608 1.00135.38 ATOM 55 CA GLY W 55 167.419 217.038 98.629 1.00133.98 ATOM 56 CA ASP W 56 170.213 216.627 101.173 1.00120.98 ATOM 57 CA THR W 57 172.252 213.480 100.517 1.00125.82 ATOM 58 CA ASN W 58 174.398 211.767 103.156 1.00120.04 ATOM 59 CA TYR W 59 175.979 208.548 101.890 1.00123.15 ATOM 60 CA ASN W 60 179.057 206.443 102.577 1.00124.81 ATOM 61 CA GLY W 61 182.591 207.785 102.399 1.00131.77 ATOM 62 CA LYS W 62 183.602 204.978 100.035 1.00130.18 ATOM 63 CA PHE W 63 180.904 205.246 97.333 1.00128.62 ATOM 64 CA LYS W 64 181.308 208.795 96.005 1.00131.27 ATOM 65 CA GLY W 65 182.404 207.732 92.528 1.00134.22 ATOM 66 CA LYS W 66 179.995 204.808 92.179 1.00131.84 ATOM 67 CA ALA W 67 176.677 205.458 93.936 1.00129.60 ATOM 68 CA THR W 68 174.117 208.246 93.631 1.00129.38 ATOM 69 CA LEU W 69 171.061 208.878 95.794 1.00126.47 ATOM 70 CA THR W 70 167.946 210.912 95.021 1.00130.44 ATOM 71 CA ALA W 71 164.414 211.100 96.401 1.00129.79 ATOM 72 CA ASP W 72 161.130 211.702 94.580 1.00126.28 ATOM 73 CA LYS W 73 159.779 214.796 96.314 1.00128.18 ATOM 74 CA SER W 74 156.692 214.893 94.079 1.00131.73 ATOM 75 CA SER W 75 155.603 211.380 95.091 1.00125.87 ATOM 76 CA SER W 76 157.681 210.436 98.183 1.00125.87 ATOM 77 CA THR W 77 159.756 207.675 96.592 1.00128.75 ATOM 78 CA ALA W 78 163.260 206.484 97.480 1.00130.80 ATOM 79 CA TYR W 79 165.922 205.728 94.871 1.00133.74 ATOM 80 CA MET W 80 169.058 203.582 94.712 1.00138.16 ATOM 81 CA GLN W 81 171.385 203.821 91.709 1.00140.63 ATOM 82 CA LEU W 82 174.859 202.436 91.078 1.00145.37 ATOM 83 CA SER W 83 176.904 203.457 88.049 1.00150.84 ATOM 84 CA SER W 84 178.855 200.636 86.374 1.00147.37 ATOM 85 CA LEU W 85 177.260 197.691 88.146 1.00140.74 ATOM 86 CA THR W 86 179.874 195.061 88.957 1.00129.93 ATOM 87 CA SER W 87 179.134 191.338 89.052 1.00130.76 ATOM 88 CA GLU W 88 180.290 191.002 92.680 1.00126.33 ATOM 89 CA ASP W 89 178.462 193.596 94.835 1.00129.83 ATOM 90 CA SER W 90 174.836 193.605 93.653 1.00133.15 ATOM 91 CA ALA W 91 172.897 193.170 96.893 1.00134.44 ATOM 92 CA VAL W 92 169.458 193.865 98.340 1.00139.59 ATOM 93 CA TYR W 93 168.717 197.542 97.662 1.00137.82 ATOM 94 CA PHE W 94 165.359 198.028 99.374 1.00135.71 ATOM 95 CA CYS W 95 163.799 199.552 102.482 1.00137.75 ATOM 96 CA ALA W 96 161.938 198.283 105.563 1.00136.82 ATOM 97 CA ARG W 97 161.187 201.628 107.214 1.00127.71 ATOM 98 CA GLY W 98 159.030 200.234 110.052 1.00123.06 ATOM 99 CA GLY W 99 161.842 200.835 112.529 1.00131.64 ATOM 100 CA LEU W 100 164.784 203.123 113.274 1.00132.26 ATOM 101 CA THR W 101 167.768 203.082 110.881 1.00134.52 ATOM 102 CA ILE W 102 166.506 199.946 109.149 1.00135.48 ATOM 103 CA ASP W 103 165.824 199.972 105.410 1.00132.92 ATOM 104 CA TYR W 104 166.357 196.529 103.866 1.00136.40 ATOM 105 CA TRP W 105 162.967 194.959 103.001 1.00136.80 ATOM 106 CA GLY W 106 164.152 191.438 103.738 1.00142.43 ATOM 107 CA GLN W 107 161.469 189.282 102.132 1.00146.67 ATOM 108 CA GLY W 108 163.432 187.629 99.307 1.00149.11 ATOM 109 CA THR W 109 164.096 190.612 97.037 1.00139.54 ATOM 110 CA THR W 110 167.609 190.739 95.558 1.00140.42 ATOM 111 CA LEU W 111 169.099 192.610 92.601 1.00137.69 ATOM 112 CA THR W 112 171.510 189.870 91.529 1.00134.75 ATOM 113 CA VAL W 113 173.675 190.599 88.496 1.00138.92 ATOM 114 CA SER W 114 175.364 187.607 86.866 1.00135.51 ATOM 115 CA SER W 115 178.277 186.967 84.508 1.00129.03 TER