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 N 1 220 PDB 7CVY 7CVY 1 220 SEQRES 1 N 100 ALA LYS THR THR ALA PRO SER VAL TYR PRO LEU ALA PRO SEQRES 2 N 100 VAL CYS GLY GLY THR THR GLY SER SER VAL THR LEU GLY SEQRES 3 N 100 CYS LEU VAL LYS GLY TYR PHE PRO GLU PRO VAL THR LEU SEQRES 4 N 100 THR TRP ASN SER GLY SER LEU SER SER GLY VAL HIS THR SEQRES 5 N 100 PHE PRO ALA LEU LEU GLN SER GLY LEU TYR THR LEU SER SEQRES 6 N 100 SER SER VAL THR VAL THR SER ASN THR TRP PRO SER GLN SEQRES 7 N 100 THR ILE THR CYS ASN VAL ALA HIS PRO ALA SER SER THR SEQRES 8 N 100 LYS VAL ASP LYS LYS ILE GLU SER ARG ATOM 1 CA ALA N 120 -3.441 110.105 350.750 1.00328.20 ATOM 2 CA LYS N 121 -6.950 111.433 350.134 1.00328.77 ATOM 3 CA THR N 122 -7.929 114.932 349.005 1.00324.70 ATOM 4 CA THR N 123 -6.162 116.750 351.839 1.00309.58 ATOM 5 CA ALA N 124 -7.683 120.158 352.497 1.00305.00 ATOM 6 CA PRO N 125 -5.081 122.915 353.000 1.00295.09 ATOM 7 CA SER N 126 -4.088 123.527 356.618 1.00280.90 ATOM 8 CA VAL N 127 -3.328 127.075 357.778 1.00261.82 ATOM 9 CA TYR N 128 -1.078 127.197 360.847 1.00266.97 ATOM 10 CA PRO N 129 -0.453 130.670 362.324 1.00277.40 ATOM 11 CA LEU N 130 2.864 131.730 363.855 1.00273.00 ATOM 12 CA ALA N 131 1.960 133.750 366.946 1.00276.34 ATOM 13 CA PRO N 132 4.870 135.682 368.504 1.00279.38 ATOM 14 CA VAL N 133 5.710 135.040 372.135 1.00282.15 ATOM 15 CA CYS N 134 4.133 137.337 374.714 1.00298.52 ATOM 16 CA GLY N 135 7.530 138.421 376.063 1.00269.41 ATOM 17 CA GLY N 136 10.059 140.376 374.054 1.00267.44 ATOM 18 CA THR N 137 9.350 140.646 370.321 1.00268.03 ATOM 19 CA THR N 138 10.353 144.305 370.068 1.00271.98 ATOM 20 CA GLY N 139 11.080 145.969 366.740 1.00265.49 ATOM 21 CA SER N 140 9.975 148.523 364.192 1.00267.68 ATOM 22 CA SER N 141 7.506 145.950 362.824 1.00292.29 ATOM 23 CA VAL N 142 6.349 142.364 363.361 1.00288.17 ATOM 24 CA THR N 143 6.707 139.369 361.034 1.00272.23 ATOM 25 CA LEU N 144 3.965 136.730 360.878 1.00261.96 ATOM 26 CA GLY N 145 3.747 133.465 358.976 1.00262.60 ATOM 27 CA CYS N 146 1.587 130.753 357.446 1.00260.77 ATOM 28 CA LEU N 147 2.423 127.039 357.611 1.00258.79 ATOM 29 CA VAL N 148 0.829 124.382 355.381 1.00270.94 ATOM 30 CA LYS N 149 2.131 120.868 356.082 1.00272.26 ATOM 31 CA GLY N 150 1.091 117.493 354.698 1.00283.15 ATOM 32 CA TYR N 151 -1.293 118.339 351.865 1.00289.12 ATOM 33 CA PHE N 152 -2.217 117.540 348.235 1.00300.16 ATOM 34 CA PRO N 153 0.141 117.910 345.227 1.00296.85 ATOM 35 CA GLU N 154 0.860 120.952 343.078 1.00288.36 ATOM 36 CA PRO N 155 -2.604 122.635 342.851 1.00300.13 ATOM 37 CA VAL N 156 -2.052 124.729 345.991 1.00292.89 ATOM 38 CA THR N 157 -1.963 128.534 346.156 1.00283.14 ATOM 39 CA LEU N 158 0.017 130.990 348.293 1.00277.31 ATOM 40 CA THR N 159 -1.546 134.460 348.525 1.00279.95 ATOM 41 CA TRP N 160 -1.783 137.004 351.346 1.00280.82 ATOM 42 CA ASN N 161 -4.997 139.025 351.752 1.00279.98 ATOM 43 CA SER N 162 -6.021 137.913 348.242 1.00291.73 ATOM 44 CA GLY N 163 -2.812 139.461 346.903 1.00285.26 ATOM 45 CA SER N 164 -3.562 142.954 348.230 1.00299.56 ATOM 46 CA LEU N 165 -0.717 142.842 350.796 1.00277.48 ATOM 47 CA SER N 166 2.786 142.111 349.485 1.00268.17 ATOM 48 CA SER N 167 4.846 144.261 351.883 1.00269.58 ATOM 49 CA GLY N 168 7.590 142.210 353.511 1.00268.57 ATOM 50 CA VAL N 169 6.055 139.013 352.121 1.00272.18 ATOM 51 CA HIS N 170 8.460 136.165 351.343 1.00263.21 ATOM 52 CA THR N 171 7.152 133.275 349.238 1.00246.79 ATOM 53 CA PHE N 172 8.597 129.925 350.315 1.00242.39 ATOM 54 CA PRO N 173 8.404 127.287 347.546 1.00234.90 ATOM 55 CA ALA N 174 6.481 124.110 348.293 1.00227.52 ATOM 56 CA LEU N 175 8.460 121.227 349.781 1.00239.51 ATOM 57 CA LEU N 176 8.077 117.446 349.849 1.00254.25 ATOM 58 CA GLN N 177 8.569 115.708 353.196 1.00260.87 ATOM 59 CA SER N 178 7.599 112.220 354.412 1.00259.52 ATOM 60 CA GLY N 179 5.633 111.579 351.225 1.00248.29 ATOM 61 CA LEU N 180 3.420 114.658 351.653 1.00261.89 ATOM 62 CA TYR N 181 3.930 118.202 350.435 1.00281.46 ATOM 63 CA THR N 182 4.944 120.943 352.877 1.00267.57 ATOM 64 CA LEU N 183 4.439 124.688 352.406 1.00267.21 ATOM 65 CA SER N 184 5.207 127.793 354.434 1.00259.66 ATOM 66 CA SER N 185 4.342 131.460 353.975 1.00258.74 ATOM 67 CA SER N 186 5.308 134.654 355.784 1.00255.21 ATOM 68 CA VAL N 187 3.798 138.133 355.985 1.00272.87 ATOM 69 CA THR N 188 5.260 141.308 357.497 1.00298.07 ATOM 70 CA VAL N 189 2.737 143.679 359.085 1.00291.84 ATOM 71 CA THR N 190 2.731 146.640 361.450 1.00297.09 ATOM 72 CA SER N 191 2.168 146.399 365.204 1.00297.36 ATOM 73 CA ASN N 192 -1.524 147.300 364.741 1.00305.22 ATOM 74 CA THR N 193 -2.250 144.116 362.746 1.00310.35 ATOM 75 CA TRP N 194 -1.857 141.952 365.885 1.00314.99 ATOM 76 CA PRO N 195 -5.095 140.586 367.331 1.00323.51 ATOM 77 CA SER N 196 -6.883 143.938 367.198 1.00327.03 ATOM 78 CA GLN N 197 -6.941 143.186 363.464 1.00312.84 ATOM 79 CA THR N 198 -7.266 139.992 361.414 1.00300.83 ATOM 80 CA ILE N 199 -4.500 138.345 359.380 1.00276.25 ATOM 81 CA THR N 200 -5.831 136.042 356.658 1.00273.87 ATOM 82 CA CYS N 201 -3.769 133.385 354.859 1.00261.39 ATOM 83 CA ASN N 202 -5.499 132.590 351.556 1.00284.98 ATOM 84 CA VAL N 203 -4.683 129.052 350.399 1.00263.79 ATOM 85 CA ALA N 204 -6.883 127.715 347.595 1.00271.36 ATOM 86 CA HIS N 205 -7.011 124.034 346.615 1.00297.19 ATOM 87 CA PRO N 206 -8.665 123.510 343.200 1.00306.08 ATOM 88 CA ALA N 207 -9.042 119.748 343.702 1.00286.20 ATOM 89 CA SER N 208 -11.260 120.488 346.728 1.00306.36 ATOM 90 CA SER N 209 -12.078 124.236 346.462 1.00319.75 ATOM 91 CA THR N 210 -11.291 124.512 350.180 1.00287.04 ATOM 92 CA LYS N 211 -10.185 127.881 351.569 1.00275.43 ATOM 93 CA VAL N 212 -8.988 128.061 355.182 1.00283.08 ATOM 94 CA ASP N 213 -8.786 131.573 356.647 1.00286.44 ATOM 95 CA LYS N 214 -7.114 131.156 360.047 1.00274.90 ATOM 96 CA LYS N 215 -6.561 134.377 361.977 1.00300.60 ATOM 97 CA ILE N 216 -3.390 134.526 364.060 1.00290.69 ATOM 98 CA GLU N 217 -4.552 133.259 367.450 1.00316.57 ATOM 99 CA SER N 218 -2.722 133.437 370.760 1.00331.24 ATOM 100 CA ARG N 219 -1.878 130.314 372.740 1.00311.42 TER