HEADER VIRUS/IMMUNE SYSTEM 31-DEC-69 6W09 TITLE Human mAbs broadly protect against infection of arthritiogenic TITLE 2 alphaviruses by recognizing conserved elements of the MXR8 receptor TITLE 3 binding domain COMPND MOL_ID: 5; COMPND 2 MOLECULE: E3; COMPND 3 CHAIN: Q, R, S, T; COMPND 4 FRAGMENT: UNP residues ; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 6W09 T 5 64 UNP Q88628 Q88628_CHIK 266 325 SEQRES 1 T 60 PRO VAL MET CYS LEU LEU ALA ASN THR THR PHE PRO CYS SEQRES 2 T 60 SER GLN PRO PRO CYS THR PRO CYS CYS TYR GLU LYS GLU SEQRES 3 T 60 PRO GLU LYS THR LEU ARG MET LEU GLU ASP ASN VAL MET SEQRES 4 T 60 SER PRO GLY TYR TYR GLN LEU LEU GLN ALA SER LEU THR SEQRES 5 T 60 CYS SER PRO ARG ARG GLN ARG ARG ATOM 1 N PRO T 5 56.619 100.241 296.900 1.00277.80 ATOM 2 CA PRO T 5 56.276 99.349 295.790 1.00277.80 ATOM 3 C PRO T 5 55.931 100.132 294.528 1.00277.80 ATOM 4 O PRO T 5 56.820 100.454 293.743 1.00277.80 ATOM 5 N VAL T 6 54.646 100.429 294.335 1.00299.05 ATOM 6 CA VAL T 6 54.240 101.267 293.216 1.00299.05 ATOM 7 C VAL T 6 54.594 102.711 293.531 1.00299.05 ATOM 8 O VAL T 6 54.242 103.236 294.593 1.00299.05 ATOM 9 N MET T 7 55.280 103.368 292.598 1.00309.76 ATOM 10 CA MET T 7 55.873 104.684 292.825 1.00309.76 ATOM 11 C MET T 7 54.799 105.763 292.737 1.00309.76 ATOM 12 O MET T 7 54.758 106.530 291.770 1.00309.76 ATOM 13 N CYS T 8 53.951 105.835 293.759 1.00320.64 ATOM 14 CA CYS T 8 52.952 106.880 293.858 1.00320.64 ATOM 15 C CYS T 8 53.677 108.165 294.208 1.00320.64 ATOM 16 O CYS T 8 54.165 108.333 295.326 1.00320.64 ATOM 17 N LEU T 9 53.790 109.047 293.225 1.00307.25 ATOM 18 CA LEU T 9 54.582 110.260 293.363 1.00307.25 ATOM 19 C LEU T 9 53.771 111.421 292.820 1.00307.25 ATOM 20 O LEU T 9 53.339 111.395 291.664 1.00307.25 ATOM 21 N LEU T 10 53.569 112.437 293.649 1.00351.68 ATOM 22 CA LEU T 10 52.920 113.668 293.207 1.00351.68 ATOM 23 C LEU T 10 53.935 114.701 292.723 1.00351.68 ATOM 24 O LEU T 10 53.966 115.837 293.193 1.00351.68 ATOM 25 N ALA T 11 54.806 114.298 291.795 1.00367.71 ATOM 26 CA ALA T 11 55.756 115.171 291.110 1.00367.71 ATOM 27 C ALA T 11 56.918 115.646 291.978 1.00367.71 ATOM 28 O ALA T 11 57.730 116.461 291.525 1.00367.71 ATOM 29 N ASN T 12 57.027 115.169 293.213 1.00383.16 ATOM 30 CA ASN T 12 58.097 115.614 294.089 1.00383.16 ATOM 31 C ASN T 12 58.960 114.426 294.477 1.00383.16 ATOM 32 O ASN T 12 60.184 114.483 294.355 1.00383.16 ATOM 33 N THR T 13 58.332 113.346 294.931 1.00367.24 ATOM 34 CA THR T 13 59.046 112.156 295.363 1.00367.24 ATOM 35 C THR T 13 58.113 110.960 295.284 1.00367.24 ATOM 36 O THR T 13 56.933 111.047 295.631 1.00367.24 ATOM 37 N THR T 14 58.660 109.832 294.838 1.00374.61 ATOM 38 CA THR T 14 57.876 108.610 294.665 1.00374.61 ATOM 39 C THR T 14 57.807 107.860 295.992 1.00374.61 ATOM 40 O THR T 14 58.736 107.161 296.403 1.00374.61 ATOM 41 N PHE T 15 56.682 108.031 296.686 1.00365.61 ATOM 42 CA PHE T 15 56.318 107.207 297.825 1.00365.61 ATOM 43 C PHE T 15 55.626 105.938 297.341 1.00365.61 ATOM 44 O PHE T 15 55.514 105.701 296.138 1.00365.61 ATOM 45 N PRO T 16 55.154 105.095 298.258 1.00352.72 ATOM 46 CA PRO T 16 54.383 103.907 297.860 1.00352.72 ATOM 47 C PRO T 16 52.980 104.226 297.351 1.00352.72 ATOM 48 O PRO T 16 52.598 105.380 297.159 1.00352.72 ATOM 49 N CYS T 17 52.200 103.166 297.125 1.00337.37 ATOM 50 CA CYS T 17 50.909 103.318 296.457 1.00337.37 ATOM 51 C CYS T 17 49.816 103.861 297.370 1.00337.37 ATOM 52 O CYS T 17 49.140 104.825 296.997 1.00337.37 ATOM 53 N SER T 18 49.617 103.268 298.547 1.00354.56 ATOM 54 CA SER T 18 48.685 103.839 299.512 1.00354.56 ATOM 55 C SER T 18 49.371 104.863 300.402 1.00354.56 ATOM 56 O SER T 18 48.712 105.531 301.206 1.00354.56 ATOM 57 N GLN T 19 50.691 104.981 300.281 1.00372.40 ATOM 58 CA GLN T 19 51.481 105.977 300.994 1.00372.40 ATOM 59 C GLN T 19 52.250 106.806 299.975 1.00372.40 ATOM 60 O GLN T 19 53.488 106.796 299.968 1.00372.40 ATOM 61 N PRO T 20 51.567 107.603 299.157 1.00368.67 ATOM 62 CA PRO T 20 52.264 108.492 298.205 1.00368.67 ATOM 63 C PRO T 20 52.853 109.713 298.887 1.00368.67 ATOM 64 O PRO T 20 52.898 109.790 300.123 1.00368.67 ATOM 65 N PRO T 21 53.338 110.685 298.105 1.00388.08 ATOM 66 CA PRO T 21 53.964 111.885 298.684 1.00388.08 ATOM 67 C PRO T 21 53.020 112.787 299.470 1.00388.08 ATOM 68 O PRO T 21 53.485 113.562 300.313 1.00388.08 ATOM 69 N CYS T 22 51.720 112.705 299.227 1.00367.52 ATOM 70 CA CYS T 22 50.716 113.210 300.147 1.00367.52 ATOM 71 C CYS T 22 49.774 112.066 300.479 1.00367.52 ATOM 72 O CYS T 22 48.562 112.233 300.587 1.00367.52 ATOM 73 N THR T 23 50.332 110.878 300.603 1.00348.46 ATOM 74 CA THR T 23 49.517 109.695 300.831 1.00348.46 ATOM 75 C THR T 23 49.741 109.192 302.251 1.00348.46 ATOM 76 O THR T 23 50.867 108.835 302.603 1.00348.46 ATOM 77 N PRO T 24 48.704 109.165 303.098 1.00368.29 ATOM 78 CA PRO T 24 47.322 109.584 302.829 1.00368.29 ATOM 79 C PRO T 24 47.077 111.068 303.102 1.00368.29 ATOM 80 O PRO T 24 48.006 111.811 303.425 1.00368.29 ATOM 81 N CYS T 25 45.812 111.475 302.999 1.00414.42 ATOM 82 CA CYS T 25 45.385 112.861 303.174 1.00414.42 ATOM 83 C CYS T 25 45.903 113.766 302.051 1.00414.42 ATOM 84 O CYS T 25 46.625 114.738 302.275 1.00414.42 ATOM 85 N CYS T 26 45.504 113.417 300.821 1.00435.41 ATOM 86 CA CYS T 26 46.009 114.142 299.655 1.00435.41 ATOM 87 C CYS T 26 44.890 114.726 298.794 1.00435.41 ATOM 88 O CYS T 26 45.109 115.691 298.050 1.00435.41 ATOM 89 N TYR T 27 43.686 114.156 298.872 1.00434.03 ATOM 90 CA TYR T 27 42.655 114.510 297.903 1.00434.03 ATOM 91 C TYR T 27 41.741 115.623 298.395 1.00434.03 ATOM 92 O TYR T 27 41.251 116.417 297.586 1.00434.03 ATOM 93 N GLU T 28 41.506 115.712 299.705 1.00443.79 ATOM 94 CA GLU T 28 40.462 116.593 300.214 1.00443.79 ATOM 95 C GLU T 28 40.970 117.964 300.620 1.00443.79 ATOM 96 O GLU T 28 40.158 118.880 300.774 1.00443.79 ATOM 97 N LYS T 29 42.273 118.140 300.783 1.00434.07 ATOM 98 CA LYS T 29 42.810 119.454 301.085 1.00434.07 ATOM 99 C LYS T 29 43.287 120.185 299.854 1.00434.07 ATOM 100 O LYS T 29 42.894 121.336 299.647 1.00434.07 ATOM 101 N GLU T 30 44.059 119.541 299.014 1.00407.30 ATOM 102 CA GLU T 30 44.444 120.155 297.761 1.00407.30 ATOM 103 C GLU T 30 43.445 119.630 296.746 1.00407.30 ATOM 104 O GLU T 30 43.599 118.509 296.246 1.00407.30 ATOM 105 N PRO T 31 42.370 120.385 296.478 1.00387.00 ATOM 106 CA PRO T 31 41.408 119.966 295.452 1.00387.00 ATOM 107 C PRO T 31 42.027 120.103 294.077 1.00387.00 ATOM 108 O PRO T 31 41.835 119.250 293.204 1.00387.00 ATOM 109 N GLU T 32 42.793 121.181 293.887 1.00394.93 ATOM 110 CA GLU T 32 43.682 121.281 292.739 1.00394.93 ATOM 111 C GLU T 32 44.821 120.278 292.815 1.00394.93 ATOM 112 O GLU T 32 45.267 119.792 291.773 1.00394.93 ATOM 113 N LYS T 33 45.287 119.951 294.026 1.00377.39 ATOM 114 CA LYS T 33 46.250 118.868 294.192 1.00377.39 ATOM 115 C LYS T 33 45.620 117.518 293.893 1.00377.39 ATOM 116 O LYS T 33 46.273 116.652 293.305 1.00377.39 ATOM 117 N THR T 34 44.344 117.340 294.250 1.00367.80 ATOM 118 CA THR T 34 43.628 116.127 293.874 1.00367.80 ATOM 119 C THR T 34 43.364 116.074 292.376 1.00367.80 ATOM 120 O THR T 34 43.341 114.987 291.794 1.00367.80 ATOM 121 N LEU T 35 43.220 117.234 291.730 1.00366.28 ATOM 122 CA LEU T 35 43.056 117.276 290.280 1.00366.28 ATOM 123 C LEU T 35 44.365 116.996 289.557 1.00366.28 ATOM 124 O LEU T 35 44.369 116.303 288.534 1.00366.28 ATOM 125 N ARG T 36 45.483 117.504 290.081 1.00356.95 ATOM 126 CA ARG T 36 46.789 117.139 289.547 1.00356.95 ATOM 127 C ARG T 36 47.117 115.674 289.813 1.00356.95 ATOM 128 O ARG T 36 47.764 115.026 288.985 1.00356.95 ATOM 129 N MET T 37 46.640 115.130 290.935 1.00363.26 ATOM 130 CA MET T 37 46.858 113.721 291.230 1.00363.26 ATOM 131 C MET T 37 45.996 112.837 290.343 1.00363.26 ATOM 132 O MET T 37 46.444 111.783 289.889 1.00363.26 ATOM 133 N LEU T 38 44.775 113.273 290.038 1.00352.27 ATOM 134 CA LEU T 38 43.930 112.517 289.127 1.00352.27 ATOM 135 C LEU T 38 44.223 112.848 287.672 1.00352.27 ATOM 136 O LEU T 38 43.560 112.311 286.780 1.00352.27 ATOM 137 N GLU T 39 45.156 113.761 287.418 1.00354.72 ATOM 138 CA GLU T 39 45.773 113.849 286.106 1.00354.72 ATOM 139 C GLU T 39 46.979 112.925 286.002 1.00354.72 ATOM 140 O GLU T 39 47.103 112.177 285.027 1.00354.72 ATOM 141 N ASP T 40 47.851 112.941 287.008 1.00362.74 ATOM 142 CA ASP T 40 49.072 112.149 287.006 1.00362.74 ATOM 143 C ASP T 40 48.811 110.664 287.203 1.00362.74 ATOM 144 O ASP T 40 49.048 109.870 286.290 1.00362.74 ATOM 145 N ASN T 41 48.291 110.272 288.360 1.00368.31 ATOM 146 CA ASN T 41 47.900 108.893 288.578 1.00368.31 ATOM 147 C ASN T 41 46.626 108.524 287.837 1.00368.31 ATOM 148 O ASN T 41 46.358 107.335 287.648 1.00368.31 ATOM 149 N VAL T 42 45.850 109.513 287.381 1.00360.26 ATOM 150 CA VAL T 42 44.801 109.252 286.399 1.00360.26 ATOM 151 C VAL T 42 45.362 108.825 285.054 1.00360.26 ATOM 152 O VAL T 42 44.661 108.157 284.286 1.00360.26 ATOM 153 N MET T 43 46.595 109.212 284.734 1.00356.61 ATOM 154 CA MET T 43 47.339 108.566 283.666 1.00356.61 ATOM 155 C MET T 43 48.228 107.439 284.177 1.00356.61 ATOM 156 O MET T 43 48.574 106.544 283.400 1.00356.61 ATOM 157 N SER T 44 48.585 107.448 285.462 1.00346.33 ATOM 158 CA SER T 44 49.515 106.495 286.049 1.00346.33 ATOM 159 C SER T 44 48.800 105.199 286.385 1.00346.33 ATOM 160 O SER T 44 47.581 105.105 286.199 1.00346.33 ATOM 161 N PRO T 45 49.512 104.183 286.875 1.00295.51 ATOM 162 CA PRO T 45 48.866 102.884 287.110 1.00295.51 ATOM 163 C PRO T 45 47.992 102.820 288.354 1.00295.51 ATOM 164 O PRO T 45 46.959 102.149 288.358 1.00295.51 ATOM 165 N GLY T 46 48.392 103.512 289.417 1.00301.59 ATOM 166 CA GLY T 46 47.760 103.286 290.702 1.00301.59 ATOM 167 C GLY T 46 46.777 104.346 291.137 1.00301.59 ATOM 168 O GLY T 46 46.158 104.179 292.193 1.00301.59 ATOM 169 N TYR T 47 46.600 105.410 290.349 1.00318.52 ATOM 170 CA TYR T 47 45.947 106.614 290.854 1.00318.52 ATOM 171 C TYR T 47 44.437 106.468 290.977 1.00318.52 ATOM 172 O TYR T 47 43.793 107.317 291.601 1.00318.52 ATOM 173 N TYR T 48 43.853 105.417 290.398 1.00305.09 ATOM 174 CA TYR T 48 42.514 105.020 290.813 1.00305.09 ATOM 175 C TYR T 48 42.523 104.561 292.265 1.00305.09 ATOM 176 O TYR T 48 41.814 105.123 293.110 1.00305.09 ATOM 177 N GLN T 49 43.374 103.586 292.582 1.00301.41 ATOM 178 CA GLN T 49 43.469 103.100 293.952 1.00301.41 ATOM 179 C GLN T 49 44.225 104.080 294.833 1.00301.41 ATOM 180 O GLN T 49 44.026 104.107 296.050 1.00301.41 ATOM 181 N LEU T 50 45.096 104.896 294.238 1.00303.32 ATOM 182 CA LEU T 50 45.786 105.920 295.012 1.00303.32 ATOM 183 C LEU T 50 44.845 107.062 295.357 1.00303.32 ATOM 184 O LEU T 50 44.945 107.656 296.436 1.00303.32 ATOM 185 N LEU T 51 43.907 107.368 294.462 1.00321.99 ATOM 186 CA LEU T 51 42.920 108.394 294.751 1.00321.99 ATOM 187 C LEU T 51 41.869 107.907 295.730 1.00321.99 ATOM 188 O LEU T 51 41.545 108.630 296.674 1.00321.99 ATOM 189 N GLN T 52 41.350 106.692 295.545 1.00327.96 ATOM 190 CA GLN T 52 40.373 106.146 296.478 1.00327.96 ATOM 191 C GLN T 52 40.992 105.753 297.808 1.00327.96 ATOM 192 O GLN T 52 40.278 105.673 298.812 1.00327.96 ATOM 193 N ALA T 53 42.299 105.502 297.835 1.00349.28 ATOM 194 CA ALA T 53 43.008 105.355 299.095 1.00349.28 ATOM 195 C ALA T 53 43.361 106.720 299.671 1.00349.28 ATOM 196 O ALA T 53 43.603 106.851 300.872 1.00349.28 ATOM 197 N SER T 54 43.444 107.745 298.820 1.00352.06 ATOM 198 CA SER T 54 43.762 109.077 299.325 1.00352.06 ATOM 199 C SER T 54 42.515 109.924 299.562 1.00352.06 ATOM 200 O SER T 54 42.217 110.318 300.694 1.00352.06 ATOM 201 N LEU T 55 41.758 110.188 298.504 1.00335.06 ATOM 202 CA LEU T 55 40.792 111.279 298.554 1.00335.06 ATOM 203 C LEU T 55 39.412 110.809 298.988 1.00335.06 ATOM 204 O LEU T 55 38.559 111.623 299.355 1.00335.06 ATOM 205 N THR T 56 39.173 109.499 298.978 1.00311.19 ATOM 206 CA THR T 56 37.816 108.965 299.142 1.00311.19 ATOM 207 C THR T 56 37.478 108.722 300.616 1.00311.19 ATOM 208 O THR T 56 36.989 107.671 301.020 1.00311.19 ATOM 209 N CYS T 57 37.752 109.729 301.435 1.00360.23 ATOM 210 CA CYS T 57 37.399 109.721 302.849 1.00360.23 ATOM 211 C CYS T 57 38.293 108.799 303.679 1.00360.23 ATOM 212 O CYS T 57 38.050 108.559 304.857 1.00360.23 ATOM 213 N SER T 58 39.376 108.322 303.074 1.00407.90 ATOM 214 CA SER T 58 40.301 107.417 303.751 1.00407.90 ATOM 215 C SER T 58 41.686 108.034 303.692 1.00407.90 ATOM 216 O SER T 58 42.700 107.343 303.563 1.00407.90 ATOM 217 N PRO T 59 41.760 109.341 303.832 1.00450.53 ATOM 218 CA PRO T 59 43.017 109.986 304.211 1.00450.53 ATOM 219 C PRO T 59 43.059 110.127 305.716 1.00450.53 ATOM 220 O PRO T 59 42.209 109.559 306.410 1.00450.53 ATOM 221 N ARG T 60 44.025 110.890 306.237 1.00486.98 ATOM 222 CA ARG T 60 44.146 111.076 307.682 1.00486.98 ATOM 223 C ARG T 60 43.008 111.891 308.304 1.00486.98 ATOM 224 O ARG T 60 42.881 111.900 309.532 1.00486.98 ATOM 225 N ARG T 61 42.182 112.564 307.496 1.00511.15 ATOM 226 CA ARG T 61 41.015 113.277 308.008 1.00511.15 ATOM 227 C ARG T 61 39.832 112.359 308.245 1.00511.15 ATOM 228 O ARG T 61 38.859 112.759 308.895 1.00511.15 ATOM 229 N GLN T 62 39.888 111.134 307.741 1.00526.30 ATOM 230 CA GLN T 62 38.803 110.191 307.982 1.00526.30 ATOM 231 C GLN T 62 38.940 109.549 309.365 1.00526.30 ATOM 232 O GLN T 62 39.779 109.936 310.183 1.00526.30 ATOM 233 N ARG T 63 38.094 108.559 309.622 1.00570.52 ATOM 234 CA ARG T 63 38.182 107.724 310.797 1.00570.52 ATOM 235 C ARG T 63 39.065 106.502 310.583 1.00570.52 ATOM 236 O ARG T 63 39.034 105.560 311.404 1.00570.52 ATOM 237 N ARG T 64 39.849 106.485 309.511 1.00595.30 ATOM 238 CA ARG T 64 40.746 105.399 309.166 1.00595.30 ATOM 239 C ARG T 64 41.604 105.838 307.978 1.00595.30 ATOM 240 O ARG T 64 42.117 106.960 307.947 1.00595.30 TER