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 S 1 220 PDB 7CVY 7CVY 1 220 SEQRES 1 S 119 GLN LEU GLN GLU SER GLY GLY GLY LEU VAL GLN PRO GLY SEQRES 2 S 119 GLY SER MET LYS LEU SER CYS VAL ALA SER GLY PHE THR SEQRES 3 S 119 PHE SER ASN TYR TRP MET ASN TRP VAL ARG GLN SER PRO SEQRES 4 S 119 GLU LYS GLY LEU GLU TRP VAL ALA GLN ILE ARG LEU LYS SEQRES 5 S 119 SER ASP SER TYR ALA THR TYR TYR ALA ASP SER VAL LYS SEQRES 6 S 119 GLY ARG PHE THR VAL SER ARG ASP ASP SER LYS SER ASN SEQRES 7 S 119 VAL TYR LEU GLN MET ASN SER LEU ARG ALA GLU ASP THR SEQRES 8 S 119 GLY ILE TYR TYR CYS THR ASP PHE TYR GLY PHE GLY ASP SEQRES 9 S 119 PHE PHE PRO TYR TRP GLY GLN GLY THR LEU VAL THR VAL SEQRES 10 S 119 SER SER ATOM 1 CA GLN S 1 64.882 33.074 329.602 1.00271.96 ATOM 2 CA LEU S 2 68.069 35.136 329.929 1.00256.55 ATOM 3 CA GLN S 3 71.520 34.132 331.164 1.00266.67 ATOM 4 CA GLU S 4 74.717 36.167 331.413 1.00282.05 ATOM 5 CA SER S 5 78.459 35.597 331.675 1.00287.44 ATOM 6 CA GLY S 6 81.764 37.446 331.495 1.00281.57 ATOM 7 CA GLY S 7 83.876 38.139 334.564 1.00274.63 ATOM 8 CA GLY S 8 87.401 38.755 333.304 1.00264.75 ATOM 9 CA LEU S 9 89.702 40.688 335.620 1.00293.76 ATOM 10 CA VAL S 10 90.809 43.930 333.956 1.00306.51 ATOM 11 CA GLN S 11 93.781 46.081 334.950 1.00325.25 ATOM 12 CA PRO S 12 93.671 49.871 334.487 1.00324.90 ATOM 13 CA GLY S 13 94.082 50.821 330.849 1.00313.45 ATOM 14 CA GLY S 14 92.709 47.460 329.705 1.00312.75 ATOM 15 CA SER S 15 89.626 46.165 327.918 1.00306.32 ATOM 16 CA MET S 16 86.607 44.429 329.458 1.00284.41 ATOM 17 CA LYS S 17 83.908 42.338 327.778 1.00260.00 ATOM 18 CA LEU S 18 80.509 41.136 328.999 1.00263.48 ATOM 19 CA SER S 19 78.218 38.439 327.631 1.00268.92 ATOM 20 CA CYS S 20 74.508 37.631 327.755 1.00263.44 ATOM 21 CA VAL S 21 72.859 34.580 326.182 1.00244.61 ATOM 22 CA ALA S 22 69.168 34.354 325.282 1.00245.36 ATOM 23 CA SER S 23 66.931 31.324 324.851 1.00269.49 ATOM 24 CA GLY S 24 63.300 30.617 324.027 1.00282.89 ATOM 25 CA PHE S 25 62.761 33.494 321.584 1.00288.93 ATOM 26 CA THR S 26 64.161 35.224 318.503 1.00280.91 ATOM 27 CA PHE S 27 67.123 37.203 319.834 1.00258.15 ATOM 28 CA SER S 28 67.437 39.031 316.501 1.00247.89 ATOM 29 CA ASN S 29 63.923 40.527 316.729 1.00250.66 ATOM 30 CA TYR S 30 64.235 42.302 320.103 1.00259.42 ATOM 31 CA TRP S 31 66.350 45.211 321.290 1.00237.24 ATOM 32 CA MET S 32 69.063 44.963 323.943 1.00264.75 ATOM 33 CA ASN S 33 69.938 47.313 326.799 1.00266.68 ATOM 34 CA TRP S 34 72.549 47.424 329.557 1.00281.61 ATOM 35 CA VAL S 35 71.901 48.904 333.008 1.00279.61 ATOM 36 CA ARG S 36 74.231 48.879 336.018 1.00283.95 ATOM 37 CA GLN S 37 73.610 49.419 339.733 1.00274.03 ATOM 38 CA SER S 38 76.148 52.111 340.618 1.00282.81 ATOM 39 CA PRO S 39 76.774 54.031 343.867 1.00285.33 ATOM 40 CA GLU S 40 75.213 57.009 342.048 1.00295.49 ATOM 41 CA LYS S 41 71.889 56.282 343.840 1.00289.04 ATOM 42 CA GLY S 42 70.057 54.607 340.982 1.00278.52 ATOM 43 CA LEU S 43 70.407 51.935 338.292 1.00263.71 ATOM 44 CA GLU S 44 71.062 54.387 335.480 1.00273.04 ATOM 45 CA TRP S 45 70.853 53.267 331.861 1.00260.57 ATOM 46 CA VAL S 46 74.205 52.697 330.137 1.00275.19 ATOM 47 CA ALA S 47 74.000 51.379 326.570 1.00264.84 ATOM 48 CA GLN S 48 71.723 49.747 324.013 1.00260.57 ATOM 49 CA ILE S 49 71.826 48.175 320.557 1.00245.03 ATOM 50 CA ARG S 50 69.078 47.853 317.956 1.00249.96 ATOM 51 CA LEU S 51 68.507 45.155 315.358 1.00270.95 ATOM 52 CA LYS S 52 70.710 44.553 312.328 1.00276.70 ATOM 53 CA SER S 53 67.823 45.860 310.222 1.00266.34 ATOM 54 CA ASP S 54 68.322 49.148 312.097 1.00280.36 ATOM 55 CA SER S 55 71.965 49.081 310.903 1.00276.17 ATOM 56 CA TYR S 56 72.965 48.511 314.547 1.00278.48 ATOM 57 CA ALA S 57 71.620 51.794 315.884 1.00281.64 ATOM 58 CA THR S 58 73.282 52.411 319.241 1.00273.93 ATOM 59 CA TYR S 59 73.116 55.045 321.964 1.00264.36 ATOM 60 CA TYR S 60 75.300 55.734 324.987 1.00268.62 ATOM 61 CA ALA S 61 75.299 57.877 328.098 1.00269.28 ATOM 62 CA ASP S 62 77.386 61.039 327.886 1.00299.80 ATOM 63 CA SER S 63 79.626 59.823 330.720 1.00304.16 ATOM 64 CA VAL S 64 80.581 56.593 328.918 1.00295.10 ATOM 65 CA LYS S 65 80.361 57.973 325.369 1.00278.21 ATOM 66 CA GLY S 66 83.430 57.263 323.260 1.00266.22 ATOM 67 CA ARG S 67 84.587 54.509 325.637 1.00294.62 ATOM 68 CA PHE S 68 81.949 51.747 325.594 1.00282.81 ATOM 69 CA THR S 69 81.072 49.581 322.592 1.00269.05 ATOM 70 CA VAL S 70 78.100 47.203 322.425 1.00261.23 ATOM 71 CA SER S 71 77.787 44.324 319.968 1.00263.12 ATOM 72 CA ARG S 72 75.365 41.455 319.415 1.00257.08 ATOM 73 CA ASP S 73 75.729 38.068 317.720 1.00273.25 ATOM 74 CA ASP S 74 72.484 36.956 316.086 1.00274.96 ATOM 75 CA SER S 75 73.998 33.610 315.060 1.00271.18 ATOM 76 CA LYS S 76 74.922 32.725 318.655 1.00270.02 ATOM 77 CA SER S 77 72.008 34.689 320.193 1.00257.52 ATOM 78 CA ASN S 78 74.604 36.576 322.237 1.00272.34 ATOM 79 CA VAL S 79 75.173 40.253 323.025 1.00267.22 ATOM 80 CA TYR S 80 78.614 41.607 323.903 1.00266.71 ATOM 81 CA LEU S 81 79.343 44.827 325.803 1.00271.50 ATOM 82 CA GLN S 82 82.927 46.028 325.338 1.00303.81 ATOM 83 CA MET S 83 84.123 48.531 327.948 1.00289.98 ATOM 84 CA ASN S 84 87.452 50.367 327.898 1.00280.77 ATOM 85 CA SER S 85 89.301 52.873 330.093 1.00247.04 ATOM 86 CA LEU S 86 87.227 51.860 333.105 1.00271.57 ATOM 87 CA ARG S 87 87.283 53.812 336.367 1.00296.87 ATOM 88 CA ALA S 88 85.426 54.163 339.666 1.00295.62 ATOM 89 CA GLU S 89 82.153 55.538 338.278 1.00292.78 ATOM 90 CA ASP S 90 81.930 52.713 335.721 1.00300.45 ATOM 91 CA THR S 91 81.612 50.183 338.558 1.00301.86 ATOM 92 CA GLY S 92 78.122 48.717 338.593 1.00284.47 ATOM 93 CA ILE S 93 75.941 45.630 338.408 1.00291.80 ATOM 94 CA TYR S 94 75.419 45.187 334.675 1.00292.44 ATOM 95 CA TYR S 95 72.613 43.075 333.249 1.00292.39 ATOM 96 CA CYS S 96 71.103 42.338 329.854 1.00302.55 ATOM 97 CA THR S 97 67.378 42.693 329.233 1.00275.25 ATOM 98 CA ASP S 98 64.834 41.598 326.627 1.00261.39 ATOM 99 CA PHE S 99 61.125 42.069 325.995 1.00255.67 ATOM 100 CA TYR S 100 60.023 38.918 324.152 1.00270.12 ATOM 101 CA GLY S 101 57.348 38.407 326.798 1.00257.77 ATOM 102 CA PHE S 102 58.198 41.796 328.333 1.00229.98 ATOM 103 CA GLY S 103 59.644 39.960 331.341 1.00236.68 ATOM 104 CA ASP S 104 62.682 41.836 332.614 1.00209.63 ATOM 105 CA PHE S 105 65.514 39.588 333.779 1.00236.12 ATOM 106 CA PHE S 106 68.399 40.210 336.184 1.00243.94 ATOM 107 CA PRO S 107 70.932 37.382 335.692 1.00249.81 ATOM 108 CA TYR S 108 74.059 38.836 337.278 1.00270.76 ATOM 109 CA TRP S 109 77.443 37.249 336.597 1.00298.94 ATOM 110 CA GLY S 110 80.586 37.963 338.589 1.00310.54 ATOM 111 CA GLN S 111 81.924 41.438 337.830 1.00292.06 ATOM 112 CA GLY S 112 85.038 43.299 338.909 1.00286.94 ATOM 113 CA THR S 113 86.580 46.772 338.848 1.00295.64 ATOM 114 CA LEU S 114 89.897 48.657 338.921 1.00303.10 ATOM 115 CA VAL S 115 90.203 50.583 342.201 1.00332.87 ATOM 116 CA THR S 116 93.207 50.754 344.582 1.00333.01 ATOM 117 CA VAL S 117 94.903 48.046 342.524 1.00343.55 ATOM 118 CA SER S 118 96.859 45.901 345.044 1.00342.95 ATOM 119 CA SER S 119 98.283 42.466 345.878 1.00321.93 TER