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 S 5 64 UNP Q88628 Q88628_CHIK 266 325 SEQRES 1 S 60 PRO VAL MET CYS LEU LEU ALA ASN THR THR PHE PRO CYS SEQRES 2 S 60 SER GLN PRO PRO CYS THR PRO CYS CYS TYR GLU LYS GLU SEQRES 3 S 60 PRO GLU LYS THR LEU ARG MET LEU GLU ASP ASN VAL MET SEQRES 4 S 60 SER PRO GLY TYR TYR GLN LEU LEU GLN ALA SER LEU THR SEQRES 5 S 60 CYS SER PRO ARG ARG GLN ARG ARG ATOM 1 N PRO S 5 40.528 73.397 306.620 1.00402.65 ATOM 2 CA PRO S 5 39.885 73.367 305.300 1.00402.65 ATOM 3 C PRO S 5 39.476 71.955 304.941 1.00402.65 ATOM 4 O PRO S 5 38.289 71.657 304.845 1.00402.65 ATOM 5 N VAL S 6 40.465 71.087 304.738 1.00427.75 ATOM 6 CA VAL S 6 40.185 69.669 304.555 1.00427.75 ATOM 7 C VAL S 6 39.999 69.018 305.918 1.00427.75 ATOM 8 O VAL S 6 40.278 69.623 306.962 1.00427.75 ATOM 9 N MET S 7 39.516 67.782 305.916 1.00434.38 ATOM 10 CA MET S 7 39.347 66.999 307.134 1.00434.38 ATOM 11 C MET S 7 40.161 65.717 306.994 1.00434.38 ATOM 12 O MET S 7 40.050 65.009 305.989 1.00434.38 ATOM 13 N CYS S 8 40.975 65.421 307.996 1.00444.29 ATOM 14 CA CYS S 8 41.729 64.178 308.031 1.00444.29 ATOM 15 C CYS S 8 40.926 63.138 308.797 1.00444.29 ATOM 16 O CYS S 8 40.589 63.335 309.967 1.00444.29 ATOM 17 N LEU S 9 40.642 62.019 308.134 1.00481.23 ATOM 18 CA LEU S 9 39.713 61.018 308.646 1.00481.23 ATOM 19 C LEU S 9 40.515 59.823 309.136 1.00481.23 ATOM 20 O LEU S 9 41.175 59.148 308.342 1.00481.23 ATOM 21 N LEU S 10 40.444 59.552 310.436 1.00522.48 ATOM 22 CA LEU S 10 41.160 58.427 311.037 1.00522.48 ATOM 23 C LEU S 10 40.264 57.203 311.192 1.00522.48 ATOM 24 O LEU S 10 40.495 56.335 312.029 1.00522.48 ATOM 25 N ALA S 11 39.197 57.158 310.392 1.00552.51 ATOM 26 CA ALA S 11 38.208 56.081 310.321 1.00552.51 ATOM 27 C ALA S 11 37.209 56.071 311.474 1.00552.51 ATOM 28 O ALA S 11 36.221 55.330 311.429 1.00552.51 ATOM 29 N ASN S 12 37.435 56.881 312.498 1.00578.92 ATOM 30 CA ASN S 12 36.447 57.226 313.501 1.00578.92 ATOM 31 C ASN S 12 36.736 58.679 313.831 1.00578.92 ATOM 32 O ASN S 12 35.891 59.383 314.388 1.00578.92 ATOM 33 N THR S 13 37.935 59.135 313.464 1.00531.75 ATOM 34 CA THR S 13 38.391 60.472 313.797 1.00531.75 ATOM 35 C THR S 13 38.544 61.298 312.531 1.00531.75 ATOM 36 O THR S 13 39.637 61.414 311.971 1.00531.75 ATOM 37 N THR S 14 37.427 61.889 312.104 1.00488.97 ATOM 38 CA THR S 14 37.419 62.898 311.049 1.00488.97 ATOM 39 C THR S 14 37.664 64.247 311.714 1.00488.97 ATOM 40 O THR S 14 36.753 65.034 311.975 1.00488.97 ATOM 41 N PHE S 15 38.920 64.488 312.016 1.00452.27 ATOM 42 CA PHE S 15 39.474 65.740 312.495 1.00452.27 ATOM 43 C PHE S 15 39.795 66.633 311.309 1.00452.27 ATOM 44 O PHE S 15 39.430 66.327 310.174 1.00452.27 ATOM 45 N PRO S 16 40.466 67.760 311.535 1.00451.08 ATOM 46 CA PRO S 16 40.834 68.625 310.408 1.00451.08 ATOM 47 C PRO S 16 41.957 68.042 309.562 1.00451.08 ATOM 48 O PRO S 16 42.512 66.980 309.853 1.00451.08 ATOM 49 N CYS S 17 42.283 68.757 308.487 1.00466.85 ATOM 50 CA CYS S 17 43.339 68.308 307.591 1.00466.85 ATOM 51 C CYS S 17 44.719 68.778 308.022 1.00466.85 ATOM 52 O CYS S 17 45.592 67.942 308.273 1.00466.85 ATOM 53 N SER S 18 44.937 70.092 308.102 1.00455.41 ATOM 54 CA SER S 18 46.272 70.612 308.367 1.00455.41 ATOM 55 C SER S 18 46.654 70.453 309.826 1.00455.41 ATOM 56 O SER S 18 47.701 69.876 310.128 1.00455.41 ATOM 57 N GLN S 19 45.819 70.931 310.739 1.00456.19 ATOM 58 CA GLN S 19 45.852 70.471 312.120 1.00456.19 ATOM 59 C GLN S 19 45.161 69.131 311.934 1.00456.19 ATOM 60 O GLN S 19 43.951 69.090 311.679 1.00456.19 ATOM 61 N PRO S 20 45.888 68.020 312.023 1.00473.30 ATOM 62 CA PRO S 20 45.333 66.726 311.606 1.00473.30 ATOM 63 C PRO S 20 44.375 66.163 312.640 1.00473.30 ATOM 64 O PRO S 20 44.103 66.807 313.666 1.00473.30 ATOM 65 N PRO S 21 43.808 64.979 312.383 1.00485.83 ATOM 66 CA PRO S 21 42.905 64.356 313.362 1.00485.83 ATOM 67 C PRO S 21 43.583 63.936 314.659 1.00485.83 ATOM 68 O PRO S 21 42.990 64.101 315.732 1.00485.83 ATOM 69 N CYS S 22 44.807 63.427 314.594 1.00482.89 ATOM 70 CA CYS S 22 45.607 63.144 315.771 1.00482.89 ATOM 71 C CYS S 22 47.002 63.712 315.561 1.00482.89 ATOM 72 O CYS S 22 48.012 63.098 315.907 1.00482.89 ATOM 73 N THR S 23 47.063 64.892 314.966 1.00478.35 ATOM 74 CA THR S 23 48.340 65.569 314.798 1.00478.35 ATOM 75 C THR S 23 48.795 66.118 316.146 1.00478.35 ATOM 76 O THR S 23 47.987 66.706 316.869 1.00478.35 ATOM 77 N PRO S 24 50.076 65.964 316.513 1.00508.76 ATOM 78 CA PRO S 24 51.243 65.367 315.852 1.00508.76 ATOM 79 C PRO S 24 51.767 64.022 316.378 1.00508.76 ATOM 80 O PRO S 24 51.153 63.356 317.208 1.00508.76 ATOM 81 N CYS S 25 52.955 63.684 315.876 1.00537.60 ATOM 82 CA CYS S 25 53.808 62.583 316.327 1.00537.60 ATOM 83 C CYS S 25 53.250 61.211 315.938 1.00537.60 ATOM 84 O CYS S 25 53.102 60.300 316.752 1.00537.60 ATOM 85 N CYS S 26 52.989 61.086 314.636 1.00539.68 ATOM 86 CA CYS S 26 52.821 59.770 314.032 1.00539.68 ATOM 87 C CYS S 26 54.165 59.067 313.940 1.00539.68 ATOM 88 O CYS S 26 54.296 57.894 314.310 1.00539.68 ATOM 89 N TYR S 27 55.187 59.786 313.460 1.00532.68 ATOM 90 CA TYR S 27 56.558 59.291 313.534 1.00532.68 ATOM 91 C TYR S 27 57.061 59.251 314.970 1.00532.68 ATOM 92 O TYR S 27 57.952 58.457 315.290 1.00532.68 ATOM 93 N GLU S 28 56.507 60.087 315.850 1.00500.00 ATOM 94 CA GLU S 28 56.763 59.905 317.268 1.00500.00 ATOM 95 C GLU S 28 56.029 58.704 317.850 1.00500.00 ATOM 96 O GLU S 28 56.591 58.020 318.710 1.00500.00 ATOM 97 N LYS S 29 54.801 58.423 317.414 1.00493.45 ATOM 98 CA LYS S 29 54.025 57.345 318.014 1.00493.45 ATOM 99 C LYS S 29 53.602 56.229 317.068 1.00493.45 ATOM 100 O LYS S 29 53.903 55.066 317.351 1.00493.45 ATOM 101 N GLU S 30 52.930 56.528 315.966 1.00474.38 ATOM 102 CA GLU S 30 52.193 55.450 315.311 1.00474.38 ATOM 103 C GLU S 30 52.646 55.266 313.873 1.00474.38 ATOM 104 O GLU S 30 52.066 55.864 312.956 1.00474.38 ATOM 105 N PRO S 31 53.678 54.451 313.643 1.00460.65 ATOM 106 CA PRO S 31 54.155 54.227 312.273 1.00460.65 ATOM 107 C PRO S 31 53.205 53.358 311.471 1.00460.65 ATOM 108 O PRO S 31 53.070 53.525 310.258 1.00460.65 ATOM 109 N GLU S 32 52.535 52.429 312.149 1.00456.90 ATOM 110 CA GLU S 32 51.423 51.721 311.534 1.00456.90 ATOM 111 C GLU S 32 50.200 52.608 311.410 1.00456.90 ATOM 112 O GLU S 32 49.436 52.458 310.452 1.00456.90 ATOM 113 N LYS S 33 50.018 53.545 312.347 1.00456.36 ATOM 114 CA LYS S 33 49.014 54.586 312.169 1.00456.36 ATOM 115 C LYS S 33 49.413 55.537 311.055 1.00456.36 ATOM 116 O LYS S 33 48.550 56.015 310.309 1.00456.36 ATOM 117 N THR S 34 50.717 55.776 310.900 1.00463.35 ATOM 118 CA THR S 34 51.210 56.501 309.738 1.00463.35 ATOM 119 C THR S 34 51.009 55.712 308.451 1.00463.35 ATOM 120 O THR S 34 50.807 56.311 307.397 1.00463.35 ATOM 121 N LEU S 35 51.009 54.379 308.518 1.00451.22 ATOM 122 CA LEU S 35 50.782 53.577 307.320 1.00451.22 ATOM 123 C LEU S 35 49.307 53.509 306.966 1.00451.22 ATOM 124 O LEU S 35 48.955 53.457 305.783 1.00451.22 ATOM 125 N ARG S 36 48.435 53.526 307.975 1.00454.18 ATOM 126 CA ARG S 36 47.006 53.660 307.726 1.00454.18 ATOM 127 C ARG S 36 46.674 55.044 307.191 1.00454.18 ATOM 128 O ARG S 36 45.787 55.182 306.339 1.00454.18 ATOM 129 N MET S 37 47.397 56.066 307.658 1.00462.63 ATOM 130 CA MET S 37 47.277 57.396 307.075 1.00462.63 ATOM 131 C MET S 37 47.803 57.420 305.646 1.00462.63 ATOM 132 O MET S 37 47.156 57.976 304.758 1.00462.63 ATOM 133 N LEU S 38 48.934 56.751 305.393 1.00444.58 ATOM 134 CA LEU S 38 49.528 56.677 304.061 1.00444.58 ATOM 135 C LEU S 38 48.730 55.796 303.107 1.00444.58 ATOM 136 O LEU S 38 48.952 55.849 301.893 1.00444.58 ATOM 137 N GLU S 39 47.834 54.967 303.626 1.00442.66 ATOM 138 CA GLU S 39 46.814 54.372 302.779 1.00442.66 ATOM 139 C GLU S 39 45.651 55.328 302.543 1.00442.66 ATOM 140 O GLU S 39 45.328 55.631 301.390 1.00442.66 ATOM 141 N ASP S 40 45.044 55.857 303.605 1.00457.77 ATOM 142 CA ASP S 40 43.783 56.566 303.452 1.00457.77 ATOM 143 C ASP S 40 43.972 58.013 303.031 1.00457.77 ATOM 144 O ASP S 40 43.545 58.399 301.940 1.00457.77 ATOM 145 N ASN S 41 44.634 58.816 303.853 1.00501.86 ATOM 146 CA ASN S 41 44.980 60.167 303.456 1.00501.86 ATOM 147 C ASN S 41 46.120 60.182 302.459 1.00501.86 ATOM 148 O ASN S 41 46.226 61.126 301.673 1.00501.86 ATOM 149 N VAL S 42 46.954 59.137 302.448 1.00483.69 ATOM 150 CA VAL S 42 47.872 58.929 301.331 1.00483.69 ATOM 151 C VAL S 42 47.139 58.620 300.037 1.00483.69 ATOM 152 O VAL S 42 47.649 58.938 298.957 1.00483.69 ATOM 153 N MET S 43 45.956 58.020 300.112 1.00480.39 ATOM 154 CA MET S 43 45.072 57.975 298.961 1.00480.39 ATOM 155 C MET S 43 44.119 59.159 298.918 1.00480.39 ATOM 156 O MET S 43 43.275 59.222 298.021 1.00480.39 ATOM 157 N SER S 44 44.242 60.099 299.849 1.00531.40 ATOM 158 CA SER S 44 43.321 61.215 299.974 1.00531.40 ATOM 159 C SER S 44 43.962 62.480 299.434 1.00531.40 ATOM 160 O SER S 44 45.193 62.545 299.326 1.00531.40 ATOM 161 N PRO S 45 43.171 63.495 299.088 1.00617.45 ATOM 162 CA PRO S 45 43.736 64.677 298.425 1.00617.45 ATOM 163 C PRO S 45 44.505 65.608 299.346 1.00617.45 ATOM 164 O PRO S 45 45.605 66.049 299.007 1.00617.45 ATOM 165 N GLY S 46 43.948 65.912 300.512 1.00648.72 ATOM 166 CA GLY S 46 44.665 66.775 301.431 1.00648.72 ATOM 167 C GLY S 46 45.693 66.062 302.275 1.00648.72 ATOM 168 O GLY S 46 46.658 66.695 302.715 1.00648.72 ATOM 169 N TYR S 47 45.530 64.753 302.473 1.00615.43 ATOM 170 CA TYR S 47 46.409 64.023 303.376 1.00615.43 ATOM 171 C TYR S 47 47.730 63.654 302.717 1.00615.43 ATOM 172 O TYR S 47 48.617 63.118 303.386 1.00615.43 ATOM 173 N TYR S 48 47.859 63.873 301.408 1.00624.29 ATOM 174 CA TYR S 48 49.189 63.953 300.824 1.00624.29 ATOM 175 C TYR S 48 49.948 65.121 301.427 1.00624.29 ATOM 176 O TYR S 48 51.005 64.936 302.039 1.00624.29 ATOM 177 N GLN S 49 49.362 66.316 301.366 1.00661.15 ATOM 178 CA GLN S 49 49.978 67.474 302.002 1.00661.15 ATOM 179 C GLN S 49 49.785 67.449 303.514 1.00661.15 ATOM 180 O GLN S 49 50.539 68.092 304.252 1.00661.15 ATOM 181 N LEU S 50 48.787 66.707 303.998 1.00654.85 ATOM 182 CA LEU S 50 48.587 66.607 305.440 1.00654.85 ATOM 183 C LEU S 50 49.636 65.706 306.069 1.00654.85 ATOM 184 O LEU S 50 50.219 66.046 307.104 1.00654.85 ATOM 185 N LEU S 51 49.900 64.558 305.446 1.00672.19 ATOM 186 CA LEU S 51 50.972 63.684 305.888 1.00672.19 ATOM 187 C LEU S 51 52.332 64.275 305.587 1.00672.19 ATOM 188 O LEU S 51 53.292 63.966 306.292 1.00672.19 ATOM 189 N GLN S 52 52.434 65.135 304.572 1.00690.93 ATOM 190 CA GLN S 52 53.626 65.949 304.416 1.00690.93 ATOM 191 C GLN S 52 53.747 67.008 305.502 1.00690.93 ATOM 192 O GLN S 52 54.858 67.473 305.773 1.00690.93 ATOM 193 N ALA S 53 52.635 67.409 306.117 1.00694.75 ATOM 194 CA ALA S 53 52.708 68.298 307.267 1.00694.75 ATOM 195 C ALA S 53 52.818 67.502 308.562 1.00694.75 ATOM 196 O ALA S 53 53.764 67.687 309.335 1.00694.75 ATOM 197 N SER S 54 51.862 66.602 308.802 1.00698.65 ATOM 198 CA SER S 54 51.747 65.940 310.098 1.00698.65 ATOM 199 C SER S 54 52.828 64.887 310.288 1.00698.65 ATOM 200 O SER S 54 53.561 64.904 311.281 1.00698.65 ATOM 201 N LEU S 55 52.957 63.977 309.330 1.00714.43 ATOM 202 CA LEU S 55 54.018 62.986 309.419 1.00714.43 ATOM 203 C LEU S 55 55.327 63.554 308.892 1.00714.43 ATOM 204 O LEU S 55 56.403 63.249 309.417 1.00714.43 ATOM 205 N THR S 56 55.250 64.411 307.873 1.00673.12 ATOM 206 CA THR S 56 56.427 64.813 307.099 1.00673.12 ATOM 207 C THR S 56 57.243 65.870 307.840 1.00673.12 ATOM 208 O THR S 56 57.209 67.061 307.538 1.00673.12 ATOM 209 N CYS S 57 57.984 65.392 308.843 1.00590.87 ATOM 210 CA CYS S 57 58.992 66.169 309.570 1.00590.87 ATOM 211 C CYS S 57 58.377 67.261 310.448 1.00590.87 ATOM 212 O CYS S 57 59.026 68.233 310.837 1.00590.87 ATOM 213 N SER S 58 57.095 67.083 310.750 1.00618.89 ATOM 214 CA SER S 58 56.313 68.050 311.514 1.00618.89 ATOM 215 C SER S 58 55.380 67.285 312.432 1.00618.89 ATOM 216 O SER S 58 54.184 67.576 312.519 1.00618.89 ATOM 217 N PRO S 59 55.890 66.275 313.105 1.00556.53 ATOM 218 CA PRO S 59 55.139 65.684 314.211 1.00556.53 ATOM 219 C PRO S 59 55.409 66.411 315.516 1.00556.53 ATOM 220 O PRO S 59 56.074 67.450 315.542 1.00556.53 ATOM 221 N ARG S 60 54.883 65.864 316.611 1.00515.72 ATOM 222 CA ARG S 60 55.441 66.111 317.930 1.00515.72 ATOM 223 C ARG S 60 56.824 65.493 318.077 1.00515.72 ATOM 224 O ARG S 60 57.610 65.958 318.906 1.00515.72 ATOM 225 N ARG S 61 57.139 64.456 317.287 1.00495.35 ATOM 226 CA ARG S 61 58.525 64.022 317.131 1.00495.35 ATOM 227 C ARG S 61 59.280 64.866 316.102 1.00495.35 ATOM 228 O ARG S 61 60.477 64.650 315.889 1.00495.35 ATOM 229 N GLN S 62 58.604 65.812 315.452 1.00502.60 ATOM 230 CA GLN S 62 59.281 66.868 314.714 1.00502.60 ATOM 231 C GLN S 62 59.925 67.845 315.691 1.00502.60 ATOM 232 O GLN S 62 59.533 67.942 316.857 1.00502.60 ATOM 233 N ARG S 63 60.918 68.588 315.202 1.00491.94 ATOM 234 CA ARG S 63 61.776 69.415 316.047 1.00491.94 ATOM 235 C ARG S 63 61.106 70.691 316.569 1.00491.94 ATOM 236 O ARG S 63 61.723 71.405 317.365 1.00491.94 ATOM 237 N ARG S 64 59.876 70.998 316.167 1.00508.02 ATOM 238 CA ARG S 64 59.182 72.178 316.678 1.00508.02 ATOM 239 C ARG S 64 58.647 71.950 318.095 1.00508.02 ATOM 240 O ARG S 64 58.344 72.895 318.830 1.00508.02 TER