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 Q 5 64 UNP Q88628 Q88628_CHIK 266 325 SEQRES 1 Q 60 PRO VAL MET CYS LEU LEU ALA ASN THR THR PHE PRO CYS SEQRES 2 Q 60 SER GLN PRO PRO CYS THR PRO CYS CYS TYR GLU LYS GLU SEQRES 3 Q 60 PRO GLU LYS THR LEU ARG MET LEU GLU ASP ASN VAL MET SEQRES 4 Q 60 SER PRO GLY TYR TYR GLN LEU LEU GLN ALA SER LEU THR SEQRES 5 Q 60 CYS SER PRO ARG ARG GLN ARG ARG ATOM 1 N PRO Q 5 130.984 92.607 273.383 1.00453.20 ATOM 2 CA PRO Q 5 130.404 92.139 272.119 1.00453.20 ATOM 3 C PRO Q 5 129.050 92.794 271.870 1.00453.20 ATOM 4 O PRO Q 5 128.993 93.894 271.322 1.00453.20 ATOM 5 N VAL Q 6 127.971 92.126 272.280 1.00453.11 ATOM 6 CA VAL Q 6 126.636 92.684 272.108 1.00453.11 ATOM 7 C VAL Q 6 126.401 93.772 273.146 1.00453.11 ATOM 8 O VAL Q 6 126.724 93.613 274.330 1.00453.11 ATOM 9 N MET Q 7 125.829 94.884 272.709 1.00449.15 ATOM 10 CA MET Q 7 125.544 96.012 273.586 1.00449.15 ATOM 11 C MET Q 7 124.090 95.905 274.029 1.00449.15 ATOM 12 O MET Q 7 123.182 96.332 273.309 1.00449.15 ATOM 13 N CYS Q 8 123.878 95.335 275.211 1.00479.82 ATOM 14 CA CYS Q 8 122.566 95.311 275.832 1.00479.82 ATOM 15 C CYS Q 8 122.236 96.723 276.286 1.00479.82 ATOM 16 O CYS Q 8 122.777 97.212 277.280 1.00479.82 ATOM 17 N LEU Q 9 121.366 97.382 275.530 1.00473.07 ATOM 18 CA LEU Q 9 121.065 98.795 275.718 1.00473.07 ATOM 19 C LEU Q 9 119.984 98.913 276.781 1.00473.07 ATOM 20 O LEU Q 9 118.886 98.374 276.615 1.00473.07 ATOM 21 N LEU Q 10 120.287 99.613 277.871 1.00483.69 ATOM 22 CA LEU Q 10 119.273 99.895 278.890 1.00483.69 ATOM 23 C LEU Q 10 118.576 101.236 278.651 1.00483.69 ATOM 24 O LEU Q 10 118.400 102.053 279.552 1.00483.69 ATOM 25 N ALA Q 11 118.171 101.459 277.403 1.00482.77 ATOM 26 CA ALA Q 11 117.425 102.612 276.902 1.00482.77 ATOM 27 C ALA Q 11 118.244 103.897 276.772 1.00482.77 ATOM 28 O ALA Q 11 117.794 104.839 276.107 1.00482.77 ATOM 29 N ASN Q 12 119.430 103.972 277.377 1.00483.39 ATOM 30 CA ASN Q 12 120.422 104.982 277.047 1.00483.39 ATOM 31 C ASN Q 12 121.802 104.345 277.036 1.00483.39 ATOM 32 O ASN Q 12 122.675 104.738 276.257 1.00483.39 ATOM 33 N THR Q 13 121.995 103.348 277.900 1.00496.52 ATOM 34 CA THR Q 13 123.309 102.804 278.212 1.00496.52 ATOM 35 C THR Q 13 123.421 101.364 277.732 1.00496.52 ATOM 36 O THR Q 13 122.636 100.497 278.124 1.00496.52 ATOM 37 N THR Q 14 124.418 101.119 276.883 1.00525.10 ATOM 38 CA THR Q 14 124.651 99.793 276.317 1.00525.10 ATOM 39 C THR Q 14 125.748 99.096 277.112 1.00525.10 ATOM 40 O THR Q 14 126.944 99.274 276.879 1.00525.10 ATOM 41 N PHE Q 15 125.324 98.261 278.057 1.00546.17 ATOM 42 CA PHE Q 15 126.254 97.406 278.776 1.00546.17 ATOM 43 C PHE Q 15 126.609 96.193 277.925 1.00546.17 ATOM 44 O PHE Q 15 126.121 96.042 276.803 1.00546.17 ATOM 45 N PRO Q 16 127.482 95.320 278.419 1.00578.41 ATOM 46 CA PRO Q 16 127.782 94.089 277.682 1.00578.41 ATOM 47 C PRO Q 16 126.615 93.119 277.739 1.00578.41 ATOM 48 O PRO Q 16 125.769 93.181 278.631 1.00578.41 ATOM 49 N CYS Q 17 126.552 92.243 276.735 1.00582.76 ATOM 50 CA CYS Q 17 125.534 91.202 276.732 1.00582.76 ATOM 51 C CYS Q 17 125.802 90.156 277.798 1.00582.76 ATOM 52 O CYS Q 17 124.853 89.579 278.339 1.00582.76 ATOM 53 N SER Q 18 127.072 89.916 278.123 1.00633.60 ATOM 54 CA SER Q 18 127.409 89.055 279.248 1.00633.60 ATOM 55 C SER Q 18 127.601 89.849 280.533 1.00633.60 ATOM 56 O SER Q 18 127.494 89.287 281.628 1.00633.60 ATOM 57 N GLN Q 19 127.880 91.147 280.423 1.00623.65 ATOM 58 CA GLN Q 19 128.051 92.025 281.578 1.00623.65 ATOM 59 C GLN Q 19 126.879 92.994 281.553 1.00623.65 ATOM 60 O GLN Q 19 127.027 94.144 281.111 1.00623.65 ATOM 61 N PRO Q 20 125.701 92.571 282.001 1.00633.05 ATOM 62 CA PRO Q 20 124.513 93.416 281.884 1.00633.05 ATOM 63 C PRO Q 20 124.545 94.549 282.893 1.00633.05 ATOM 64 O PRO Q 20 125.018 94.374 284.026 1.00633.05 ATOM 65 N PRO Q 21 124.065 95.736 282.505 1.00649.11 ATOM 66 CA PRO Q 21 124.050 96.876 283.433 1.00649.11 ATOM 67 C PRO Q 21 123.016 96.753 284.533 1.00649.11 ATOM 68 O PRO Q 21 123.137 97.436 285.553 1.00649.11 ATOM 69 N CYS Q 22 122.025 95.883 284.377 1.00666.95 ATOM 70 CA CYS Q 22 121.129 95.533 285.467 1.00666.95 ATOM 71 C CYS Q 22 121.620 94.253 286.134 1.00666.95 ATOM 72 O CYS Q 22 120.943 93.658 286.971 1.00666.95 ATOM 73 N THR Q 23 122.821 93.825 285.780 1.00654.98 ATOM 74 CA THR Q 23 123.476 92.776 286.538 1.00654.98 ATOM 75 C THR Q 23 124.186 93.412 287.724 1.00654.98 ATOM 76 O THR Q 23 125.066 94.254 287.527 1.00654.98 ATOM 77 N PRO Q 24 123.812 93.069 288.967 1.00651.49 ATOM 78 CA PRO Q 24 122.757 92.133 289.369 1.00651.49 ATOM 79 C PRO Q 24 121.558 92.820 290.010 1.00651.49 ATOM 80 O PRO Q 24 121.628 93.997 290.350 1.00651.49 ATOM 81 N CYS Q 25 120.473 92.069 290.193 1.00669.58 ATOM 82 CA CYS Q 25 119.249 92.572 290.812 1.00669.58 ATOM 83 C CYS Q 25 118.524 93.548 289.881 1.00669.58 ATOM 84 O CYS Q 25 118.000 94.584 290.289 1.00669.58 ATOM 85 N CYS Q 26 118.522 93.183 288.600 1.00686.01 ATOM 86 CA CYS Q 26 117.704 93.913 287.639 1.00686.01 ATOM 87 C CYS Q 26 116.248 93.496 287.764 1.00686.01 ATOM 88 O CYS Q 26 115.411 94.271 288.231 1.00686.01 ATOM 89 N TYR Q 27 115.939 92.255 287.385 1.00686.41 ATOM 90 CA TYR Q 27 114.651 91.679 287.741 1.00686.41 ATOM 91 C TYR Q 27 114.641 91.224 289.189 1.00686.41 ATOM 92 O TYR Q 27 113.573 91.136 289.804 1.00686.41 ATOM 93 N GLU Q 28 115.821 90.938 289.746 1.00692.15 ATOM 94 CA GLU Q 28 115.931 90.537 291.139 1.00692.15 ATOM 95 C GLU Q 28 115.672 91.686 292.097 1.00692.15 ATOM 96 O GLU Q 28 115.321 91.435 293.252 1.00692.15 ATOM 97 N LYS Q 29 115.830 92.926 291.650 1.00687.61 ATOM 98 CA LYS Q 29 115.492 94.090 292.450 1.00687.61 ATOM 99 C LYS Q 29 114.342 94.908 291.891 1.00687.61 ATOM 100 O LYS Q 29 113.750 95.690 292.635 1.00687.61 ATOM 101 N GLU Q 30 114.005 94.753 290.616 1.00636.74 ATOM 102 CA GLU Q 30 112.920 95.536 290.036 1.00636.74 ATOM 103 C GLU Q 30 112.107 94.648 289.106 1.00636.74 ATOM 104 O GLU Q 30 112.553 94.337 287.993 1.00636.74 ATOM 105 N PRO Q 31 110.917 94.214 289.535 1.00574.61 ATOM 106 CA PRO Q 31 110.063 93.399 288.662 1.00574.61 ATOM 107 C PRO Q 31 109.516 94.223 287.511 1.00574.61 ATOM 108 O PRO Q 31 109.306 93.706 286.413 1.00574.61 ATOM 109 N GLU Q 32 109.311 95.517 287.755 1.00563.42 ATOM 110 CA GLU Q 32 109.050 96.442 286.665 1.00563.42 ATOM 111 C GLU Q 32 110.281 96.662 285.806 1.00563.42 ATOM 112 O GLU Q 32 110.154 96.762 284.585 1.00563.42 ATOM 113 N LYS Q 33 111.468 96.692 286.414 1.00559.39 ATOM 114 CA LYS Q 33 112.700 96.790 285.642 1.00559.39 ATOM 115 C LYS Q 33 112.982 95.505 284.883 1.00559.39 ATOM 116 O LYS Q 33 113.442 95.554 283.739 1.00559.39 ATOM 117 N THR Q 34 112.667 94.353 285.482 1.00548.77 ATOM 118 CA THR Q 34 112.841 93.085 284.785 1.00548.77 ATOM 119 C THR Q 34 111.818 92.904 283.676 1.00548.77 ATOM 120 O THR Q 34 112.149 92.367 282.616 1.00548.77 ATOM 121 N LEU Q 35 110.591 93.378 283.881 1.00497.19 ATOM 122 CA LEU Q 35 109.586 93.307 282.829 1.00497.19 ATOM 123 C LEU Q 35 109.867 94.316 281.728 1.00497.19 ATOM 124 O LEU Q 35 109.584 94.045 280.560 1.00497.19 ATOM 125 N ARG Q 36 110.444 95.468 282.077 1.00474.99 ATOM 126 CA ARG Q 36 110.870 96.423 281.064 1.00474.99 ATOM 127 C ARG Q 36 112.078 95.912 280.304 1.00474.99 ATOM 128 O ARG Q 36 112.216 96.199 279.114 1.00474.99 ATOM 129 N MET Q 37 112.935 95.135 280.970 1.00445.89 ATOM 130 CA MET Q 37 114.019 94.447 280.285 1.00445.89 ATOM 131 C MET Q 37 113.478 93.391 279.338 1.00445.89 ATOM 132 O MET Q 37 113.884 93.338 278.176 1.00445.89 ATOM 133 N LEU Q 38 112.501 92.605 279.792 1.00411.43 ATOM 134 CA LEU Q 38 111.900 91.566 278.964 1.00411.43 ATOM 135 C LEU Q 38 111.021 92.129 277.856 1.00411.43 ATOM 136 O LEU Q 38 110.761 91.428 276.873 1.00411.43 ATOM 137 N GLU Q 39 110.555 93.365 277.992 1.00390.90 ATOM 138 CA GLU Q 39 109.867 94.033 276.899 1.00390.90 ATOM 139 C GLU Q 39 110.841 94.672 275.917 1.00390.90 ATOM 140 O GLU Q 39 110.685 94.510 274.703 1.00390.90 ATOM 141 N ASP Q 40 111.867 95.370 276.407 1.00385.32 ATOM 142 CA ASP Q 40 112.743 96.144 275.541 1.00385.32 ATOM 143 C ASP Q 40 114.017 95.403 275.164 1.00385.32 ATOM 144 O ASP Q 40 114.249 95.143 273.982 1.00385.32 ATOM 145 N ASN Q 41 114.836 95.031 276.136 1.00402.59 ATOM 146 CA ASN Q 41 116.067 94.329 275.824 1.00402.59 ATOM 147 C ASN Q 41 115.840 92.857 275.521 1.00402.59 ATOM 148 O ASN Q 41 116.728 92.219 274.946 1.00402.59 ATOM 149 N VAL Q 42 114.672 92.310 275.883 1.00399.99 ATOM 150 CA VAL Q 42 114.347 90.918 275.573 1.00399.99 ATOM 151 C VAL Q 42 114.140 90.682 274.087 1.00399.99 ATOM 152 O VAL Q 42 114.370 89.566 273.607 1.00399.99 ATOM 153 N MET Q 43 113.742 91.709 273.340 1.00379.70 ATOM 154 CA MET Q 43 113.673 91.636 271.889 1.00379.70 ATOM 155 C MET Q 43 115.014 91.889 271.215 1.00379.70 ATOM 156 O MET Q 43 115.066 91.910 269.981 1.00379.70 ATOM 157 N SER Q 44 116.091 92.080 271.984 1.00389.74 ATOM 158 CA SER Q 44 117.427 92.358 271.473 1.00389.74 ATOM 159 C SER Q 44 118.012 91.112 270.830 1.00389.74 ATOM 160 O SER Q 44 117.533 90.003 271.099 1.00389.74 ATOM 161 N PRO Q 45 119.027 91.256 269.970 1.00401.55 ATOM 162 CA PRO Q 45 119.585 90.088 269.273 1.00401.55 ATOM 163 C PRO Q 45 120.371 89.180 270.202 1.00401.55 ATOM 164 O PRO Q 45 120.449 87.968 269.991 1.00401.55 ATOM 165 N GLY Q 46 120.937 89.757 271.255 1.00435.15 ATOM 166 CA GLY Q 46 121.474 88.945 272.322 1.00435.15 ATOM 167 C GLY Q 46 120.490 88.663 273.429 1.00435.15 ATOM 168 O GLY Q 46 120.905 88.188 274.492 1.00435.15 ATOM 169 N TYR Q 47 119.199 88.924 273.189 1.00443.10 ATOM 170 CA TYR Q 47 118.206 88.974 274.257 1.00443.10 ATOM 171 C TYR Q 47 117.871 87.600 274.816 1.00443.10 ATOM 172 O TYR Q 47 117.335 87.503 275.923 1.00443.10 ATOM 173 N TYR Q 48 118.170 86.533 274.076 1.00462.65 ATOM 174 CA TYR Q 48 118.115 85.208 274.675 1.00462.65 ATOM 175 C TYR Q 48 119.228 85.042 275.696 1.00462.65 ATOM 176 O TYR Q 48 118.976 84.657 276.843 1.00462.65 ATOM 177 N GLN Q 49 120.459 85.384 275.310 1.00480.50 ATOM 178 CA GLN Q 49 121.575 85.315 276.244 1.00480.50 ATOM 179 C GLN Q 49 121.518 86.455 277.247 1.00480.50 ATOM 180 O GLN Q 49 121.989 86.316 278.381 1.00480.50 ATOM 181 N LEU Q 50 120.919 87.582 276.855 1.00495.37 ATOM 182 CA LEU Q 50 120.739 88.690 277.786 1.00495.37 ATOM 183 C LEU Q 50 119.659 88.373 278.805 1.00495.37 ATOM 184 O LEU Q 50 119.703 88.860 279.938 1.00495.37 ATOM 185 N LEU Q 51 118.682 87.557 278.420 1.00517.10 ATOM 186 CA LEU Q 51 117.662 87.126 279.360 1.00517.10 ATOM 187 C LEU Q 51 118.150 86.005 280.259 1.00517.10 ATOM 188 O LEU Q 51 117.800 85.984 281.441 1.00517.10 ATOM 189 N GLN Q 52 118.946 85.077 279.730 1.00540.21 ATOM 190 CA GLN Q 52 119.501 84.015 280.556 1.00540.21 ATOM 191 C GLN Q 52 120.562 84.529 281.511 1.00540.21 ATOM 192 O GLN Q 52 120.689 84.008 282.623 1.00540.21 ATOM 193 N ALA Q 53 121.311 85.547 281.107 1.00555.09 ATOM 194 CA ALA Q 53 122.213 86.194 282.044 1.00555.09 ATOM 195 C ALA Q 53 121.442 87.123 282.966 1.00555.09 ATOM 196 O ALA Q 53 121.816 87.314 284.126 1.00555.09 ATOM 197 N SER Q 54 120.363 87.718 282.461 1.00559.61 ATOM 198 CA SER Q 54 119.615 88.683 283.256 1.00559.61 ATOM 199 C SER Q 54 118.705 87.983 284.251 1.00559.61 ATOM 200 O SER Q 54 118.462 88.491 285.350 1.00559.61 ATOM 201 N LEU Q 55 118.179 86.820 283.878 1.00545.29 ATOM 202 CA LEU Q 55 117.177 86.184 284.721 1.00545.29 ATOM 203 C LEU Q 55 117.581 84.773 285.124 1.00545.29 ATOM 204 O LEU Q 55 117.424 84.386 286.287 1.00545.29 ATOM 205 N THR Q 56 118.114 83.995 284.176 1.00528.75 ATOM 206 CA THR Q 56 118.160 82.530 284.279 1.00528.75 ATOM 207 C THR Q 56 119.234 82.088 285.274 1.00528.75 ATOM 208 O THR Q 56 120.301 81.586 284.924 1.00528.75 ATOM 209 N CYS Q 57 118.905 82.281 286.551 1.00520.74 ATOM 210 CA CYS Q 57 119.840 82.147 287.663 1.00520.74 ATOM 211 C CYS Q 57 120.921 83.233 287.646 1.00520.74 ATOM 212 O CYS Q 57 122.009 83.073 288.201 1.00520.74 ATOM 213 N SER Q 58 120.599 84.359 287.007 1.00576.62 ATOM 214 CA SER Q 58 121.485 85.521 286.970 1.00576.62 ATOM 215 C SER Q 58 120.705 86.761 287.381 1.00576.62 ATOM 216 O SER Q 58 120.889 87.850 286.831 1.00576.62 ATOM 217 N PRO Q 59 119.850 86.636 288.376 1.00624.92 ATOM 218 CA PRO Q 59 119.336 87.829 289.054 1.00624.92 ATOM 219 C PRO Q 59 120.226 88.145 290.240 1.00624.92 ATOM 220 O PRO Q 59 121.253 87.488 290.437 1.00624.92 ATOM 221 N ARG Q 60 119.855 89.137 291.046 1.00660.48 ATOM 222 CA ARG Q 60 120.555 89.320 292.309 1.00660.48 ATOM 223 C ARG Q 60 120.175 88.259 293.337 1.00660.48 ATOM 224 O ARG Q 60 120.947 88.024 294.272 1.00660.48 ATOM 225 N ARG Q 61 119.030 87.583 293.154 1.00680.95 ATOM 226 CA ARG Q 61 118.497 86.662 294.158 1.00680.95 ATOM 227 C ARG Q 61 119.254 85.335 294.216 1.00680.95 ATOM 228 O ARG Q 61 119.024 84.537 295.131 1.00680.95 ATOM 229 N GLN Q 62 120.136 85.067 293.255 1.00671.67 ATOM 230 CA GLN Q 62 121.054 83.945 293.377 1.00671.67 ATOM 231 C GLN Q 62 122.204 84.309 294.311 1.00671.67 ATOM 232 O GLN Q 62 122.328 85.447 294.773 1.00671.67 ATOM 233 N ARG Q 63 123.055 83.329 294.589 1.00655.39 ATOM 234 CA ARG Q 63 124.211 83.565 295.441 1.00655.39 ATOM 235 C ARG Q 63 125.464 83.976 294.666 1.00655.39 ATOM 236 O ARG Q 63 126.505 84.212 295.291 1.00655.39 ATOM 237 N ARG Q 64 125.390 84.081 293.342 1.00633.36 ATOM 238 CA ARG Q 64 126.563 84.391 292.528 1.00633.36 ATOM 239 C ARG Q 64 126.991 85.850 292.655 1.00633.36 ATOM 240 O ARG Q 64 127.853 86.182 293.471 1.00633.36 TER