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 O 1 213 PDB 7CVY 7CVY 1 213 SEQRES 1 O 107 ASP ILE VAL MET THR GLN SER PRO LYS PHE MET SER THR SEQRES 2 O 107 SER ILE GLY ASP ARG VAL SER VAL THR CYS GLN ALA SER SEQRES 3 O 107 GLN ASN VAL GLY THR ASN VAL ALA TRP TYR GLN GLN LYS SEQRES 4 O 107 PRO GLY GLN SER PRO LYS PRO LEU ILE TYR SER ALA SER SEQRES 5 O 107 TYR ARG TYR SER GLY VAL PRO GLY ARG PHE THR GLY SER SEQRES 6 O 107 GLY SER GLY THR ASP PHE THR LEU THR ILE ASN ASN VAL SEQRES 7 O 107 GLN SER GLU ASP LEU ALA ASP TYR PHE CYS GLN GLN TYR SEQRES 8 O 107 ASN SER PHE PRO LEU THR PHE GLY ALA GLY THR LYS LEU SEQRES 9 O 107 GLU LEU LYS ATOM 1 CA GLN N 1 2.870 126.681 318.335 1.00274.63 ATOM 2 CA LEU N 2 3.179 123.594 320.546 1.00254.77 ATOM 3 CA GLN N 3 0.744 122.140 323.077 1.00272.88 ATOM 4 CA GLU N 4 1.018 119.017 325.221 1.00276.79 ATOM 5 CA SER N 5 -1.248 116.657 327.143 1.00314.96 ATOM 6 CA GLY N 6 -1.219 113.318 328.938 1.00309.84 ATOM 7 CA GLY N 7 -1.393 113.036 332.713 1.00281.31 ATOM 8 CA GLY N 8 -2.628 109.527 333.455 1.00282.08 ATOM 9 CA LEU N 9 -1.863 108.170 336.914 1.00290.69 ATOM 10 CA VAL N 10 0.324 105.064 336.644 1.00278.67 ATOM 11 CA GLN N 11 0.863 102.438 339.339 1.00270.80 ATOM 12 CA PRO N 12 4.200 100.599 339.613 1.00268.82 ATOM 13 CA GLY N 13 4.565 98.006 336.884 1.00270.16 ATOM 14 CA GLY N 14 2.193 99.918 334.602 1.00246.48 ATOM 15 CA SER N 15 2.398 101.838 331.339 1.00252.85 ATOM 16 CA MET N 16 2.433 105.617 330.867 1.00272.62 ATOM 17 CA LYS N 17 1.766 107.663 327.729 1.00255.78 ATOM 18 CA LEU N 18 2.426 111.319 326.902 1.00258.10 ATOM 19 CA SER N 19 1.056 113.495 324.113 1.00275.26 ATOM 20 CA CYS N 20 2.128 116.641 322.273 1.00276.64 ATOM 21 CA VAL N 21 0.127 118.398 319.551 1.00263.32 ATOM 22 CA ALA N 22 1.624 120.746 316.957 1.00267.70 ATOM 23 CA SER N 23 0.007 123.512 314.930 1.00280.10 ATOM 24 CA GLY N 24 1.060 126.068 312.338 1.00271.10 ATOM 25 CA PHE N 25 3.655 123.932 310.538 1.00257.65 ATOM 26 CA THR N 26 4.273 120.553 308.911 1.00253.98 ATOM 27 CA PHE N 27 4.691 118.184 311.856 1.00254.06 ATOM 28 CA SER N 28 5.895 115.430 309.507 1.00251.46 ATOM 29 CA ASN N 29 8.899 117.463 308.292 1.00238.90 ATOM 30 CA TYR N 30 10.554 118.180 311.664 1.00234.57 ATOM 31 CA TRP N 31 12.180 115.946 314.255 1.00224.92 ATOM 32 CA MET N 32 10.865 115.427 317.784 1.00236.77 ATOM 33 CA ASN N 33 12.717 115.209 321.096 1.00238.86 ATOM 34 CA TRP N 34 11.773 114.661 324.736 1.00243.84 ATOM 35 CA VAL N 35 13.634 116.253 327.654 1.00255.18 ATOM 36 CA ARG N 36 12.723 116.099 331.347 1.00265.78 ATOM 37 CA GLN N 37 13.767 118.225 334.325 1.00260.44 ATOM 38 CA SER N 38 14.980 115.621 336.821 1.00285.89 ATOM 39 CA PRO N 39 16.603 115.979 340.267 1.00289.88 ATOM 40 CA GLU N 40 19.821 114.869 338.526 1.00277.48 ATOM 41 CA LYS N 41 20.903 118.553 338.314 1.00262.95 ATOM 42 CA GLY N 42 20.098 119.173 334.667 1.00255.84 ATOM 43 CA LEU N 43 17.393 118.720 332.027 1.00235.13 ATOM 44 CA GLU N 44 19.018 115.706 330.408 1.00265.17 ATOM 45 CA TRP N 45 17.869 114.497 327.000 1.00260.40 ATOM 46 CA VAL N 46 15.643 111.403 327.036 1.00256.06 ATOM 47 CA ALA N 47 14.321 110.305 323.637 1.00260.89 ATOM 48 CA GLN N 48 13.790 111.387 320.041 1.00263.66 ATOM 49 CA ILE N 49 12.108 110.234 316.838 1.00254.75 ATOM 50 CA ARG N 50 12.944 111.058 313.226 1.00241.15 ATOM 51 CA LEU N 51 10.661 111.340 310.215 1.00259.66 ATOM 52 CA LYS N 52 8.859 108.432 308.574 1.00268.78 ATOM 53 CA SER N 53 11.224 108.890 305.630 1.00290.42 ATOM 54 CA ASP N 54 14.004 108.029 308.101 1.00292.99 ATOM 55 CA SER N 55 12.118 104.769 308.826 1.00281.87 ATOM 56 CA TYR N 56 11.413 106.161 312.315 1.00269.81 ATOM 57 CA ALA N 57 15.028 106.379 313.434 1.00251.91 ATOM 58 CA THR N 58 15.024 106.609 317.224 1.00254.31 ATOM 59 CA TYR N 59 17.612 106.961 319.973 1.00254.71 ATOM 60 CA TYR N 60 17.397 106.605 323.743 1.00254.42 ATOM 61 CA ALA N 61 19.505 107.254 326.810 1.00266.36 ATOM 62 CA ASP N 62 21.261 104.209 328.240 1.00297.69 ATOM 63 CA SER N 63 19.338 104.560 331.512 1.00275.00 ATOM 64 CA VAL N 64 15.920 104.366 329.816 1.00276.97 ATOM 65 CA LYS N 65 16.971 102.092 326.940 1.00293.51 ATOM 66 CA GLY N 66 14.728 99.070 326.484 1.00260.60 ATOM 67 CA ARG N 67 11.941 100.664 328.548 1.00267.57 ATOM 68 CA PHE N 68 10.778 103.804 326.712 1.00267.38 ATOM 69 CA THR N 69 9.077 103.867 323.309 1.00270.41 ATOM 70 CA VAL N 70 8.401 107.018 321.277 1.00242.59 ATOM 71 CA SER N 71 5.847 107.263 318.477 1.00237.23 ATOM 72 CA ARG N 72 4.450 110.030 316.288 1.00253.26 ATOM 73 CA ASP N 73 1.184 110.396 314.369 1.00289.32 ATOM 74 CA ASP N 74 1.638 112.432 311.194 1.00294.38 ATOM 75 CA SER N 75 -2.090 112.277 310.409 1.00297.12 ATOM 76 CA LYS N 76 -3.039 113.839 313.759 1.00297.85 ATOM 77 CA SER N 77 0.184 115.897 314.042 1.00281.46 ATOM 78 CA ASN N 78 0.750 114.204 317.402 1.00281.92 ATOM 79 CA VAL N 79 3.756 112.560 319.052 1.00252.13 ATOM 80 CA TYR N 80 3.365 109.884 321.722 1.00258.84 ATOM 81 CA LEU N 81 5.977 108.896 324.312 1.00257.08 ATOM 82 CA GLN N 82 5.284 105.492 325.873 1.00269.11 ATOM 83 CA MET N 83 7.099 104.844 329.159 1.00272.65 ATOM 84 CA ASN N 84 7.114 101.560 331.074 1.00270.64 ATOM 85 CA SER N 85 8.588 100.217 334.321 1.00261.30 ATOM 86 CA LEU N 86 8.915 103.738 335.701 1.00283.86 ATOM 87 CA ARG N 87 10.839 104.507 338.888 1.00290.29 ATOM 88 CA ALA N 88 12.277 107.409 340.878 1.00284.90 ATOM 89 CA GLU N 89 14.941 108.489 338.373 1.00292.47 ATOM 90 CA ASP N 90 12.384 108.593 335.541 1.00288.66 ATOM 91 CA THR N 91 10.530 111.406 337.331 1.00267.16 ATOM 92 CA GLY N 92 10.915 114.637 335.396 1.00262.42 ATOM 93 CA ILE N 93 9.239 117.514 333.596 1.00261.66 ATOM 94 CA TYR N 94 8.823 116.175 330.069 1.00258.92 ATOM 95 CA TYR N 95 8.208 118.441 327.092 1.00260.19 ATOM 96 CA CYS N 96 8.031 118.132 323.321 1.00270.43 ATOM 97 CA THR N 97 10.073 120.390 321.059 1.00266.25 ATOM 98 CA ASP N 98 10.136 121.405 317.395 1.00252.61 ATOM 99 CA PHE N 99 12.272 123.595 315.154 1.00237.44 ATOM 100 CA TYR N 100 9.902 124.854 312.446 1.00252.36 ATOM 101 CA GLY N 101 10.927 128.405 313.318 1.00247.61 ATOM 102 CA PHE N 102 13.603 127.066 315.687 1.00250.51 ATOM 103 CA GLY N 103 11.529 128.364 318.606 1.00258.64 ATOM 104 CA ASP N 104 11.816 125.956 321.519 1.00245.36 ATOM 105 CA PHE N 105 8.581 125.472 323.453 1.00240.79 ATOM 106 CA PHE N 106 7.928 124.313 327.020 1.00249.26 ATOM 107 CA PRO N 107 4.206 123.455 327.283 1.00255.87 ATOM 108 CA TYR N 108 4.105 121.329 330.425 1.00265.24 ATOM 109 CA TRP N 109 1.049 119.199 331.175 1.00303.26 ATOM 110 CA GLY N 110 0.322 117.598 334.531 1.00296.07 ATOM 111 CA GLN N 111 2.670 114.683 335.191 1.00286.04 ATOM 112 CA GLY N 112 2.894 112.126 337.971 1.00275.78 ATOM 113 CA THR N 113 5.194 109.421 339.327 1.00289.37 ATOM 114 CA LEU N 114 5.267 106.187 341.350 1.00295.45 ATOM 115 CA VAL N 115 7.051 106.792 344.668 1.00338.11 ATOM 116 CA THR N 116 5.943 105.735 348.186 1.00357.83 ATOM 117 CA VAL N 117 2.610 104.633 346.729 1.00370.23 ATOM 118 CA SER N 118 -0.015 105.444 349.419 1.00370.76 ATOM 119 CA SER N 119 -3.640 106.351 350.164 1.00353.65 TER