HEADER IMMUNE SYSTEM/VIRUS 31-DEC-69 7CVY TITLE Cryo-EM structure of Chikungunya virus in complex with Fab fragments TITLE 2 of mAb CHK-124 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Fab heavy chain; COMPND 3 CHAIN: D, S, I, N; COMPND 4 FRAGMENT: ; EXPDTA ELECTRON MICROSCOPY DBREF 7CVY I 1 220 PDB 7CVY 7CVY 1 220 SEQRES 1 I 100 ALA LYS THR THR ALA PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 I 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 I 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 I 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 I 100 PHE PRO ALA LEU LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 I 100 SER SER VAL THR VAL THR SER ASN THR TRP PRO SER GLN SEQRES 7 I 100 THR ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 I 100 LYS VAL ASP LYS LYS ILE GLU SER ARG ATOM 1 CA ALA I 120 105.176 157.197 314.777 1.00288.19 ATOM 2 CA LYS I 121 107.877 158.845 312.668 1.00246.39 ATOM 3 CA THR I 122 111.293 157.428 311.772 1.00241.17 ATOM 4 CA THR I 123 112.407 156.836 315.358 1.00239.35 ATOM 5 CA ALA I 124 116.182 156.795 315.677 1.00233.34 ATOM 6 CA PRO I 125 117.494 153.955 317.878 1.00243.12 ATOM 7 CA SER I 126 117.979 154.869 321.536 1.00251.54 ATOM 8 CA VAL I 127 120.898 153.370 323.470 1.00243.91 ATOM 9 CA TYR I 128 120.318 153.294 327.233 1.00276.09 ATOM 10 CA PRO I 129 123.267 152.093 329.354 1.00291.91 ATOM 11 CA LEU I 130 122.865 150.018 332.516 1.00295.05 ATOM 12 CA ALA I 131 125.398 151.418 334.982 1.00315.06 ATOM 13 CA PRO I 132 125.955 149.271 338.098 1.00310.48 ATOM 14 CA VAL I 133 125.401 150.853 341.488 1.00318.69 ATOM 15 CA CYS I 134 128.429 152.351 343.220 1.00324.64 ATOM 16 CA GLY I 135 127.993 150.113 346.275 1.00300.77 ATOM 17 CA GLY I 136 128.355 146.356 346.191 1.00288.21 ATOM 18 CA THR I 137 128.509 144.788 342.723 1.00295.60 ATOM 19 CA THR I 138 131.261 142.319 343.609 1.00314.57 ATOM 20 CA GLY I 139 132.040 139.307 341.442 1.00276.02 ATOM 21 CA SER I 140 134.523 137.650 339.135 1.00254.01 ATOM 22 CA SER I 141 133.220 139.856 336.302 1.00263.64 ATOM 23 CA VAL I 142 130.632 142.555 335.588 1.00271.95 ATOM 24 CA THR I 143 127.568 142.383 333.332 1.00267.08 ATOM 25 CA LEU I 144 126.462 145.455 331.371 1.00264.46 ATOM 26 CA GLY I 145 123.467 146.045 329.134 1.00260.71 ATOM 27 CA CYS I 146 121.882 148.002 326.301 1.00256.63 ATOM 28 CA LEU I 147 118.237 149.110 326.277 1.00253.74 ATOM 29 CA VAL I 148 116.368 150.262 323.154 1.00251.50 ATOM 30 CA LYS I 149 112.745 151.225 323.852 1.00236.96 ATOM 31 CA GLY I 150 110.083 152.733 321.612 1.00228.32 ATOM 32 CA TYR I 151 111.604 152.607 318.134 1.00247.03 ATOM 33 CA PHE I 152 110.922 151.720 314.472 1.00255.07 ATOM 34 CA PRO I 153 109.851 148.256 313.206 1.00271.46 ATOM 35 CA GLU I 154 111.980 145.266 312.249 1.00277.90 ATOM 36 CA PRO I 155 115.017 146.932 310.547 1.00276.55 ATOM 37 CA VAL I 156 116.960 147.264 313.813 1.00277.05 ATOM 38 CA THR I 157 120.303 145.616 314.606 1.00281.15 ATOM 39 CA LEU I 158 121.808 144.222 317.816 1.00249.24 ATOM 40 CA THR I 159 125.612 143.960 317.763 1.00247.82 ATOM 41 CA TRP I 160 128.276 144.502 320.427 1.00262.49 ATOM 42 CA ASN I 161 131.566 146.170 319.442 1.00279.27 ATOM 43 CA SER I 162 130.666 145.555 315.779 1.00278.01 ATOM 44 CA GLY I 163 130.432 141.834 316.545 1.00275.00 ATOM 45 CA SER I 164 134.006 141.547 317.836 1.00277.87 ATOM 46 CA LEU I 165 132.895 140.875 321.443 1.00265.72 ATOM 47 CA SER I 166 130.515 137.955 322.019 1.00262.66 ATOM 48 CA SER I 167 131.742 136.773 325.442 1.00262.96 ATOM 49 CA GLY I 168 128.861 136.532 327.896 1.00259.73 ATOM 50 CA VAL I 169 126.579 138.321 325.425 1.00256.61 ATOM 51 CA HIS I 170 122.883 137.409 325.548 1.00258.83 ATOM 52 CA THR I 171 120.692 138.522 322.641 1.00249.57 ATOM 53 CA PHE I 172 117.191 139.506 323.756 1.00248.44 ATOM 54 CA PRO I 173 114.644 139.346 320.901 1.00245.01 ATOM 55 CA ALA I 174 112.789 142.534 320.035 1.00218.13 ATOM 56 CA LEU I 175 109.503 143.140 321.846 1.00216.66 ATOM 57 CA LEU I 176 106.341 145.114 321.103 1.00223.45 ATOM 58 CA GLN I 177 104.946 147.281 323.900 1.00209.79 ATOM 59 CA SER I 178 102.434 150.157 323.869 1.00215.53 ATOM 60 CA GLY I 179 102.413 150.192 320.071 1.00213.59 ATOM 61 CA LEU I 180 106.186 150.679 319.787 1.00223.69 ATOM 62 CA TYR I 181 108.956 148.110 319.588 1.00237.09 ATOM 63 CA THR I 182 111.186 147.456 322.606 1.00240.95 ATOM 64 CA LEU I 183 114.675 145.932 322.548 1.00229.92 ATOM 65 CA SER I 184 117.294 145.079 325.148 1.00246.49 ATOM 66 CA SER I 185 120.879 143.859 324.902 1.00246.90 ATOM 67 CA SER I 186 123.462 142.706 327.434 1.00252.07 ATOM 68 CA VAL I 187 127.246 142.385 327.384 1.00267.86 ATOM 69 CA THR I 188 129.555 140.724 329.917 1.00289.06 ATOM 70 CA VAL I 189 132.970 142.357 330.339 1.00288.89 ATOM 71 CA THR I 190 135.848 142.307 332.802 1.00288.64 ATOM 72 CA SER I 191 136.299 144.799 335.640 1.00280.66 ATOM 73 CA ASN I 192 138.723 146.850 333.499 1.00292.74 ATOM 74 CA THR I 193 136.019 147.724 330.935 1.00312.70 ATOM 75 CA TRP I 194 134.269 150.040 333.437 1.00335.83 ATOM 76 CA PRO I 195 134.688 153.759 332.777 1.00333.98 ATOM 77 CA SER I 196 138.449 153.520 332.282 1.00359.70 ATOM 78 CA GLN I 197 137.404 151.926 328.983 1.00327.11 ATOM 79 CA THR I 198 134.504 152.485 326.578 1.00288.53 ATOM 80 CA ILE I 199 131.570 150.122 326.020 1.00284.73 ATOM 81 CA THR I 200 129.842 150.668 322.674 1.00266.78 ATOM 82 CA CYS I 201 126.360 149.386 321.791 1.00238.99 ATOM 83 CA ASN I 202 126.083 149.255 317.991 1.00243.67 ATOM 84 CA VAL I 203 122.457 149.604 316.869 1.00232.38 ATOM 85 CA ALA I 204 121.969 150.316 313.162 1.00251.12 ATOM 86 CA HIS I 205 118.665 151.508 311.682 1.00274.54 ATOM 87 CA PRO I 206 118.580 151.144 307.870 1.00285.86 ATOM 88 CA ALA I 207 115.479 153.334 307.498 1.00286.63 ATOM 89 CA SER I 208 117.470 156.218 309.030 1.00273.95 ATOM 90 CA SER I 209 121.127 155.029 308.984 1.00255.59 ATOM 91 CA THR I 210 121.419 156.293 312.566 1.00256.07 ATOM 92 CA LYS I 211 124.048 154.740 314.844 1.00232.29 ATOM 93 CA VAL I 212 124.056 155.692 318.534 1.00227.66 ATOM 94 CA ASP I 213 127.230 154.775 320.433 1.00238.64 ATOM 95 CA LYS I 214 126.473 155.531 324.092 1.00250.08 ATOM 96 CA LYS I 215 129.280 154.731 326.518 1.00286.38 ATOM 97 CA ILE I 216 128.199 153.454 329.926 1.00286.70 ATOM 98 CA GLU I 217 127.976 156.641 331.985 1.00308.49 ATOM 99 CA SER I 218 127.662 156.973 335.744 1.00318.36 ATOM 100 CA ARG I 219 124.733 158.770 337.348 1.00293.63 TER