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 R 5 64 UNP Q88628 Q88628_CHIK 266 325 SEQRES 1 R 60 PRO VAL MET CYS LEU LEU ALA ASN THR THR PHE PRO CYS SEQRES 2 R 60 SER GLN PRO PRO CYS THR PRO CYS CYS TYR GLU LYS GLU SEQRES 3 R 60 PRO GLU LYS THR LEU ARG MET LEU GLU ASP ASN VAL MET SEQRES 4 R 60 SER PRO GLY TYR TYR GLN LEU LEU GLN ALA SER LEU THR SEQRES 5 R 60 CYS SER PRO ARG ARG GLN ARG ARG ATOM 1 N PRO R 5 105.754 1.093 301.277 1.00511.10 ATOM 2 CA PRO R 5 105.230 0.509 300.039 1.00511.10 ATOM 3 C PRO R 5 105.851 1.203 298.845 1.00511.10 ATOM 4 O PRO R 5 106.013 0.606 297.787 1.00511.10 ATOM 5 N VAL R 6 106.210 2.472 299.039 1.00539.39 ATOM 6 CA VAL R 6 106.932 3.222 298.021 1.00539.39 ATOM 7 C VAL R 6 108.401 2.831 298.061 1.00539.39 ATOM 8 O VAL R 6 108.851 2.124 298.970 1.00539.39 ATOM 9 N MET R 7 109.151 3.265 297.058 1.00564.55 ATOM 10 CA MET R 7 110.587 3.025 297.003 1.00564.55 ATOM 11 C MET R 7 111.293 4.367 296.858 1.00564.55 ATOM 12 O MET R 7 111.524 4.842 295.743 1.00564.55 ATOM 13 N CYS R 8 111.671 4.958 297.977 1.00565.68 ATOM 14 CA CYS R 8 112.408 6.205 297.947 1.00565.68 ATOM 15 C CYS R 8 113.879 5.858 297.825 1.00565.68 ATOM 16 O CYS R 8 114.356 4.899 298.439 1.00565.68 ATOM 17 N LEU R 9 114.583 6.608 296.988 1.00543.01 ATOM 18 CA LEU R 9 116.016 6.426 296.791 1.00543.01 ATOM 19 C LEU R 9 116.656 7.803 296.819 1.00543.01 ATOM 20 O LEU R 9 116.575 8.546 295.837 1.00543.01 ATOM 21 N LEU R 10 117.303 8.137 297.929 1.00552.39 ATOM 22 CA LEU R 10 117.966 9.433 298.056 1.00552.39 ATOM 23 C LEU R 10 119.470 9.324 297.830 1.00552.39 ATOM 24 O LEU R 10 120.262 10.095 298.370 1.00552.39 ATOM 25 N ALA R 11 119.877 8.356 297.012 1.00539.37 ATOM 26 CA ALA R 11 121.279 8.067 296.723 1.00539.37 ATOM 27 C ALA R 11 121.952 7.224 297.795 1.00539.37 ATOM 28 O ALA R 11 123.158 6.966 297.709 1.00539.37 ATOM 29 N ASN R 12 121.205 6.783 298.804 1.00557.64 ATOM 30 CA ASN R 12 121.791 6.031 299.902 1.00557.64 ATOM 31 C ASN R 12 121.263 4.604 299.942 1.00557.64 ATOM 32 O ASN R 12 122.047 3.656 300.029 1.00557.64 ATOM 33 N THR R 13 119.943 4.436 299.885 1.00586.66 ATOM 34 CA THR R 13 119.331 3.122 300.001 1.00586.66 ATOM 35 C THR R 13 117.877 3.165 299.558 1.00586.66 ATOM 36 O THR R 13 117.218 4.206 299.615 1.00586.66 ATOM 37 N THR R 14 117.380 1.998 299.143 1.00605.60 ATOM 38 CA THR R 14 116.000 1.843 298.685 1.00605.60 ATOM 39 C THR R 14 115.103 1.711 299.910 1.00605.60 ATOM 40 O THR R 14 114.732 0.621 300.347 1.00605.60 ATOM 41 N PHE R 15 114.764 2.862 300.474 1.00605.03 ATOM 42 CA PHE R 15 113.914 3.004 301.643 1.00605.03 ATOM 43 C PHE R 15 112.462 3.112 301.206 1.00605.03 ATOM 44 O PHE R 15 112.154 3.029 300.016 1.00605.03 ATOM 45 N PRO R 16 111.541 3.318 302.147 1.00604.85 ATOM 46 CA PRO R 16 110.126 3.475 301.780 1.00604.85 ATOM 47 C PRO R 16 109.822 4.806 301.096 1.00604.85 ATOM 48 O PRO R 16 110.713 5.584 300.749 1.00604.85 ATOM 49 N CYS R 17 108.532 5.062 300.884 1.00617.33 ATOM 50 CA CYS R 17 108.166 6.281 300.175 1.00617.33 ATOM 51 C CYS R 17 108.248 7.520 301.054 1.00617.33 ATOM 52 O CYS R 17 109.105 8.376 300.812 1.00617.33 ATOM 53 N SER R 18 107.411 7.615 302.087 1.00627.48 ATOM 54 CA SER R 18 107.409 8.797 302.937 1.00627.48 ATOM 55 C SER R 18 108.580 8.800 303.902 1.00627.48 ATOM 56 O SER R 18 109.204 9.844 304.108 1.00627.48 ATOM 57 N GLN R 19 108.925 7.646 304.467 1.00621.62 ATOM 58 CA GLN R 19 110.187 7.499 305.184 1.00621.62 ATOM 59 C GLN R 19 111.111 7.200 304.014 1.00621.62 ATOM 60 O GLN R 19 111.247 6.043 303.602 1.00621.62 ATOM 61 N PRO R 20 111.792 8.209 303.477 1.00608.76 ATOM 62 CA PRO R 20 112.278 8.149 302.090 1.00608.76 ATOM 63 C PRO R 20 113.582 7.384 301.979 1.00608.76 ATOM 64 O PRO R 20 114.002 6.702 302.926 1.00608.76 ATOM 65 N PRO R 21 114.220 7.413 300.806 1.00597.26 ATOM 66 CA PRO R 21 115.611 6.951 300.716 1.00597.26 ATOM 67 C PRO R 21 116.572 7.755 301.557 1.00597.26 ATOM 68 O PRO R 21 117.565 7.194 302.030 1.00597.26 ATOM 69 N CYS R 22 116.322 9.048 301.736 1.00620.08 ATOM 70 CA CYS R 22 116.872 9.805 302.855 1.00620.08 ATOM 71 C CYS R 22 115.837 10.796 303.378 1.00620.08 ATOM 72 O CYS R 22 116.166 11.796 304.016 1.00620.08 ATOM 73 N THR R 23 114.556 10.508 303.132 1.00610.36 ATOM 74 CA THR R 23 113.488 11.424 303.532 1.00610.36 ATOM 75 C THR R 23 113.038 11.082 304.945 1.00610.36 ATOM 76 O THR R 23 113.278 9.965 305.409 1.00610.36 ATOM 77 N PRO R 24 112.373 12.005 305.655 1.00572.31 ATOM 78 CA PRO R 24 111.845 13.340 305.345 1.00572.31 ATOM 79 C PRO R 24 112.676 14.523 305.853 1.00572.31 ATOM 80 O PRO R 24 113.833 14.357 306.245 1.00572.31 ATOM 81 N CYS R 25 112.053 15.706 305.845 1.00533.51 ATOM 82 CA CYS R 25 112.666 16.968 306.269 1.00533.51 ATOM 83 C CYS R 25 113.799 17.399 305.329 1.00533.51 ATOM 84 O CYS R 25 114.965 17.507 305.710 1.00533.51 ATOM 85 N CYS R 26 113.409 17.658 304.076 1.00517.89 ATOM 86 CA CYS R 26 114.392 17.827 303.008 1.00517.89 ATOM 87 C CYS R 26 114.645 19.294 302.663 1.00517.89 ATOM 88 O CYS R 26 115.689 19.629 302.088 1.00517.89 ATOM 89 N TYR R 27 113.705 20.187 302.987 1.00446.49 ATOM 90 CA TYR R 27 113.746 21.505 302.357 1.00446.49 ATOM 91 C TYR R 27 114.263 22.596 303.289 1.00446.49 ATOM 92 O TYR R 27 114.755 23.628 302.819 1.00446.49 ATOM 93 N GLU R 28 114.174 22.388 304.598 1.00356.09 ATOM 94 CA GLU R 28 114.547 23.412 305.562 1.00356.09 ATOM 95 C GLU R 28 116.046 23.516 305.768 1.00356.09 ATOM 96 O GLU R 28 116.520 24.576 306.181 1.00356.09 ATOM 97 N LYS R 29 116.802 22.463 305.492 1.00346.68 ATOM 98 CA LYS R 29 118.238 22.524 305.695 1.00346.68 ATOM 99 C LYS R 29 119.043 22.383 304.420 1.00346.68 ATOM 100 O LYS R 29 119.881 23.245 304.146 1.00346.68 ATOM 101 N GLU R 30 118.786 21.366 303.615 1.00424.44 ATOM 102 CA GLU R 30 119.558 21.153 302.400 1.00424.44 ATOM 103 C GLU R 30 118.631 21.392 301.221 1.00424.44 ATOM 104 O GLU R 30 118.145 20.431 300.612 1.00424.44 ATOM 105 N PRO R 31 118.361 22.666 300.878 1.00457.35 ATOM 106 CA PRO R 31 117.400 22.968 299.809 1.00457.35 ATOM 107 C PRO R 31 117.917 22.628 298.420 1.00457.35 ATOM 108 O PRO R 31 117.128 22.313 297.527 1.00457.35 ATOM 109 N GLU R 32 119.237 22.669 298.230 1.00492.76 ATOM 110 CA GLU R 32 119.837 22.127 297.019 1.00492.76 ATOM 111 C GLU R 32 119.810 20.607 297.004 1.00492.76 ATOM 112 O GLU R 32 119.655 20.008 295.933 1.00492.76 ATOM 113 N LYS R 33 119.950 19.974 298.171 1.00490.66 ATOM 114 CA LYS R 33 119.727 18.538 298.264 1.00490.66 ATOM 115 C LYS R 33 118.258 18.204 298.072 1.00490.66 ATOM 116 O LYS R 33 117.931 17.155 297.511 1.00490.66 ATOM 117 N THR R 34 117.366 19.109 298.486 1.00492.34 ATOM 118 CA THR R 34 115.959 18.981 298.130 1.00492.34 ATOM 119 C THR R 34 115.732 19.202 296.639 1.00492.34 ATOM 120 O THR R 34 114.816 18.615 296.067 1.00492.34 ATOM 121 N LEU R 35 116.576 20.001 295.984 1.00493.64 ATOM 122 CA LEU R 35 116.437 20.202 294.545 1.00493.64 ATOM 123 C LEU R 35 116.943 18.998 293.763 1.00493.64 ATOM 124 O LEU R 35 116.364 18.640 292.733 1.00493.64 ATOM 125 N ARG R 36 118.004 18.353 294.244 1.00501.95 ATOM 126 CA ARG R 36 118.423 17.074 293.675 1.00501.95 ATOM 127 C ARG R 36 117.415 15.969 293.975 1.00501.95 ATOM 128 O ARG R 36 117.185 15.090 293.134 1.00501.95 ATOM 129 N MET R 37 116.778 16.016 295.149 1.00481.72 ATOM 130 CA MET R 37 115.736 15.047 295.464 1.00481.72 ATOM 131 C MET R 37 114.469 15.320 294.666 1.00481.72 ATOM 132 O MET R 37 113.692 14.403 294.397 1.00481.72 ATOM 133 N LEU R 38 114.252 16.571 294.264 1.00465.71 ATOM 134 CA LEU R 38 113.159 16.882 293.357 1.00465.71 ATOM 135 C LEU R 38 113.570 16.703 291.909 1.00465.71 ATOM 136 O LEU R 38 112.731 16.805 291.015 1.00465.71 ATOM 137 N GLU R 39 114.848 16.478 291.659 1.00478.47 ATOM 138 CA GLU R 39 115.247 15.944 290.371 1.00478.47 ATOM 139 C GLU R 39 114.963 14.453 290.324 1.00478.47 ATOM 140 O GLU R 39 114.504 13.939 289.299 1.00478.47 ATOM 141 N ASP R 40 115.205 13.767 291.439 1.00462.86 ATOM 142 CA ASP R 40 114.880 12.356 291.590 1.00462.86 ATOM 143 C ASP R 40 113.380 12.084 291.546 1.00462.86 ATOM 144 O ASP R 40 112.903 11.387 290.647 1.00462.86 ATOM 145 N ASN R 41 112.626 12.643 292.485 1.00442.40 ATOM 146 CA ASN R 41 111.198 12.410 292.618 1.00442.40 ATOM 147 C ASN R 41 110.358 13.288 291.713 1.00442.40 ATOM 148 O ASN R 41 109.147 13.073 291.615 1.00442.40 ATOM 149 N VAL R 42 110.951 14.286 291.058 1.00419.40 ATOM 150 CA VAL R 42 110.256 14.914 289.939 1.00419.40 ATOM 151 C VAL R 42 110.287 14.021 288.719 1.00419.40 ATOM 152 O VAL R 42 109.412 14.132 287.856 1.00419.40 ATOM 153 N MET R 43 111.274 13.138 288.631 1.00445.16 ATOM 154 CA MET R 43 111.229 12.026 287.703 1.00445.16 ATOM 155 C MET R 43 110.813 10.728 288.376 1.00445.16 ATOM 156 O MET R 43 110.918 9.672 287.751 1.00445.16 ATOM 157 N SER R 44 110.354 10.770 289.628 1.00462.26 ATOM 158 CA SER R 44 110.080 9.542 290.362 1.00462.26 ATOM 159 C SER R 44 108.618 9.457 290.765 1.00462.26 ATOM 160 O SER R 44 108.096 10.389 291.389 1.00462.26 ATOM 161 N PRO R 45 107.936 8.356 290.450 1.00496.89 ATOM 162 CA PRO R 45 106.531 8.222 290.852 1.00496.89 ATOM 163 C PRO R 45 106.391 7.966 292.340 1.00496.89 ATOM 164 O PRO R 45 105.591 8.619 293.016 1.00496.89 ATOM 165 N GLY R 46 107.192 7.039 292.865 1.00525.42 ATOM 166 CA GLY R 46 107.289 6.850 294.299 1.00525.42 ATOM 167 C GLY R 46 107.978 7.983 295.022 1.00525.42 ATOM 168 O GLY R 46 107.800 8.122 296.237 1.00525.42 ATOM 169 N TYR R 47 108.775 8.779 294.304 1.00507.95 ATOM 170 CA TYR R 47 109.263 10.038 294.847 1.00507.95 ATOM 171 C TYR R 47 108.330 11.190 294.499 1.00507.95 ATOM 172 O TYR R 47 108.628 12.344 294.812 1.00507.95 ATOM 173 N TYR R 48 107.203 10.903 293.843 1.00498.37 ATOM 174 CA TYR R 48 106.122 11.880 293.797 1.00498.37 ATOM 175 C TYR R 48 105.438 11.968 295.151 1.00498.37 ATOM 176 O TYR R 48 104.976 13.036 295.558 1.00498.37 ATOM 177 N GLN R 49 105.430 10.858 295.893 1.00534.10 ATOM 178 CA GLN R 49 104.950 10.875 297.270 1.00534.10 ATOM 179 C GLN R 49 105.999 11.443 298.218 1.00534.10 ATOM 180 O GLN R 49 105.708 11.696 299.388 1.00534.10 ATOM 181 N LEU R 50 107.229 11.636 297.739 1.00555.98 ATOM 182 CA LEU R 50 108.192 12.447 298.475 1.00555.98 ATOM 183 C LEU R 50 108.143 13.896 298.011 1.00555.98 ATOM 184 O LEU R 50 108.491 14.812 298.763 1.00555.98 ATOM 185 N LEU R 51 107.712 14.123 296.770 1.00552.33 ATOM 186 CA LEU R 51 107.464 15.474 296.293 1.00552.33 ATOM 187 C LEU R 51 106.214 16.062 296.924 1.00552.33 ATOM 188 O LEU R 51 106.075 17.285 296.986 1.00552.33 ATOM 189 N GLN R 52 105.290 15.211 297.350 1.00575.05 ATOM 190 CA GLN R 52 104.190 15.631 298.201 1.00575.05 ATOM 191 C GLN R 52 104.411 15.273 299.664 1.00575.05 ATOM 192 O GLN R 52 103.681 15.769 300.525 1.00575.05 ATOM 193 N ALA R 53 105.381 14.418 299.974 1.00582.72 ATOM 194 CA ALA R 53 105.527 13.973 301.353 1.00582.72 ATOM 195 C ALA R 53 106.643 14.728 302.055 1.00582.72 ATOM 196 O ALA R 53 106.406 15.432 303.039 1.00582.72 ATOM 197 N SER R 54 107.863 14.622 301.534 1.00597.24 ATOM 198 CA SER R 54 108.964 15.433 302.033 1.00597.24 ATOM 199 C SER R 54 109.075 16.712 301.218 1.00597.24 ATOM 200 O SER R 54 109.976 17.529 301.432 1.00597.24 ATOM 201 N LEU R 55 108.196 16.866 300.232 1.00610.44 ATOM 202 CA LEU R 55 108.092 18.132 299.524 1.00610.44 ATOM 203 C LEU R 55 106.867 18.912 299.987 1.00610.44 ATOM 204 O LEU R 55 106.976 20.067 300.410 1.00610.44 ATOM 205 N THR R 56 105.691 18.288 299.923 1.00595.94 ATOM 206 CA THR R 56 104.430 18.992 300.168 1.00595.94 ATOM 207 C THR R 56 104.218 19.174 301.670 1.00595.94 ATOM 208 O THR R 56 103.541 18.398 302.345 1.00595.94 ATOM 209 N CYS R 57 104.825 20.239 302.182 1.00542.38 ATOM 210 CA CYS R 57 104.764 20.589 303.596 1.00542.38 ATOM 211 C CYS R 57 105.556 19.600 304.453 1.00542.38 ATOM 212 O CYS R 57 105.175 19.256 305.574 1.00542.38 ATOM 213 N SER R 58 106.674 19.138 303.901 1.00543.07 ATOM 214 CA SER R 58 107.531 18.166 304.576 1.00543.07 ATOM 215 C SER R 58 108.973 18.633 304.516 1.00543.07 ATOM 216 O SER R 58 109.895 17.837 304.320 1.00543.07 ATOM 217 N PRO R 59 109.206 19.922 304.728 1.00472.45 ATOM 218 CA PRO R 59 110.588 20.408 304.778 1.00472.45 ATOM 219 C PRO R 59 111.194 20.216 306.155 1.00472.45 ATOM 220 O PRO R 59 110.521 19.758 307.083 1.00472.45 ATOM 221 N ARG R 60 112.472 20.574 306.293 1.00404.15 ATOM 222 CA ARG R 60 113.173 20.496 307.569 1.00404.15 ATOM 223 C ARG R 60 112.806 21.639 308.506 1.00404.15 ATOM 224 O ARG R 60 113.230 21.628 309.666 1.00404.15 ATOM 225 N ARG R 61 112.057 22.635 308.021 1.00379.57 ATOM 226 CA ARG R 61 111.359 23.556 308.911 1.00379.57 ATOM 227 C ARG R 61 109.894 23.162 309.087 1.00379.57 ATOM 228 O ARG R 61 109.056 24.016 309.405 1.00379.57 ATOM 229 N GLN R 62 109.562 21.893 308.862 1.00357.90 ATOM 230 CA GLN R 62 108.222 21.415 309.151 1.00357.90 ATOM 231 C GLN R 62 108.023 21.343 310.659 1.00357.90 ATOM 232 O GLN R 62 108.850 20.799 311.393 1.00357.90 ATOM 233 N ARG R 63 106.910 21.906 311.120 1.00360.02 ATOM 234 CA ARG R 63 106.662 22.060 312.546 1.00360.02 ATOM 235 C ARG R 63 105.846 20.924 313.143 1.00360.02 ATOM 236 O ARG R 63 105.304 21.084 314.245 1.00360.02 ATOM 237 N ARG R 64 105.760 19.785 312.460 1.00385.50 ATOM 238 CA ARG R 64 105.024 18.628 312.966 1.00385.50 ATOM 239 C ARG R 64 105.290 17.371 312.132 1.00385.50 ATOM 240 O ARG R 64 105.308 16.252 312.653 1.00385.50 TER