HEADER IMMUNE SYSTEM 31-DEC-69 7C76 TITLE Cryo-EM structure of human TLR3 in complex with UNC93B1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: Toll-like receptor 3; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7C76 A 1 904 UNP O15455 TLR3_HUMAN 1 904 SEQRES 1 A 29 ASP SER ALA PRO PHE GLU LEU PHE PHE MET ILE ASN THR SEQRES 2 A 29 SER ILE LEU LEU ILE PHE ILE PHE ILE VAL LEU LEU ILE SEQRES 3 A 29 HIS PHE GLU ATOM 1 N ASP A 698 137.813 120.736 139.784 1.00 81.93 ATOM 2 CA ASP A 698 138.828 119.756 140.147 1.00 81.93 ATOM 3 C ASP A 698 139.546 119.179 138.933 1.00 81.93 ATOM 4 O ASP A 698 140.285 118.198 139.073 1.00 81.93 ATOM 5 CB ASP A 698 138.207 118.626 140.974 1.00 81.93 ATOM 6 CG ASP A 698 136.852 118.196 140.447 1.00 81.93 ATOM 7 OD1 ASP A 698 136.375 118.803 139.466 1.00 81.93 ATOM 8 OD2 ASP A 698 136.265 117.252 141.015 1.00 81.93 ATOM 9 N SER A 699 139.350 119.759 137.747 1.00 77.00 ATOM 10 CA SER A 699 140.039 119.269 136.558 1.00 77.00 ATOM 11 C SER A 699 141.525 119.605 136.614 1.00 77.00 ATOM 12 O SER A 699 142.379 118.711 136.599 1.00 77.00 ATOM 13 CB SER A 699 139.395 119.856 135.300 1.00 77.00 ATOM 14 OG SER A 699 140.135 119.514 134.141 1.00 77.00 ATOM 15 N ALA A 700 141.852 120.896 136.680 1.00 79.13 ATOM 16 CA ALA A 700 143.227 121.336 136.839 1.00 79.13 ATOM 17 C ALA A 700 143.449 121.864 138.250 1.00 79.13 ATOM 18 O ALA A 700 142.569 122.530 138.807 1.00 79.13 ATOM 19 CB ALA A 700 143.588 122.429 135.826 1.00 79.13 ATOM 20 N PRO A 701 144.603 121.587 138.854 1.00 78.53 ATOM 21 CA PRO A 701 144.842 122.022 140.247 1.00 78.53 ATOM 22 C PRO A 701 145.206 123.499 140.345 1.00 78.53 ATOM 23 O PRO A 701 146.326 123.888 140.692 1.00 78.53 ATOM 24 CB PRO A 701 145.986 121.100 140.682 1.00 78.53 ATOM 25 CG PRO A 701 146.749 120.849 139.426 1.00 78.53 ATOM 26 CD PRO A 701 145.734 120.812 138.312 1.00 78.53 ATOM 27 N PHE A 702 144.236 124.362 140.032 1.00 75.69 ATOM 28 CA PHE A 702 144.460 125.795 140.178 1.00 75.69 ATOM 29 C PHE A 702 144.430 126.248 141.630 1.00 75.69 ATOM 30 O PHE A 702 144.923 127.341 141.927 1.00 75.69 ATOM 31 CB PHE A 702 143.432 126.591 139.369 1.00 75.69 ATOM 32 CG PHE A 702 142.144 125.861 139.125 1.00 75.69 ATOM 33 CD1 PHE A 702 141.273 125.593 140.166 1.00 75.69 ATOM 34 CD2 PHE A 702 141.800 125.453 137.847 1.00 75.69 ATOM 35 CE1 PHE A 702 140.086 124.926 139.938 1.00 75.69 ATOM 36 CE2 PHE A 702 140.615 124.784 137.613 1.00 75.69 ATOM 37 CZ PHE A 702 139.757 124.520 138.660 1.00 75.69 ATOM 38 N GLU A 703 143.877 125.442 142.538 1.00 77.54 ATOM 39 CA GLU A 703 143.904 125.794 143.954 1.00 77.54 ATOM 40 C GLU A 703 145.328 125.765 144.495 1.00 77.54 ATOM 41 O GLU A 703 145.752 126.682 145.209 1.00 77.54 ATOM 42 CB GLU A 703 143.003 124.847 144.746 1.00 77.54 ATOM 43 CG GLU A 703 142.746 125.284 146.179 1.00 77.54 ATOM 44 CD GLU A 703 142.183 124.166 147.036 1.00 77.54 ATOM 45 OE1 GLU A 703 141.989 123.051 146.508 1.00 77.54 ATOM 46 OE2 GLU A 703 141.936 124.403 148.237 1.00 77.54 ATOM 47 N LEU A 704 146.085 124.717 144.159 1.00 76.13 ATOM 48 CA LEU A 704 147.479 124.648 144.582 1.00 76.13 ATOM 49 C LEU A 704 148.298 125.766 143.948 1.00 76.13 ATOM 50 O LEU A 704 149.185 126.340 144.593 1.00 76.13 ATOM 51 CB LEU A 704 148.063 123.278 144.233 1.00 76.13 ATOM 52 CG LEU A 704 149.570 123.069 144.398 1.00 76.13 ATOM 53 CD1 LEU A 704 149.850 121.719 145.038 1.00 76.13 ATOM 54 CD2 LEU A 704 150.280 123.174 143.056 1.00 76.13 ATOM 55 N PHE A 705 148.012 126.091 142.684 1.00 74.28 ATOM 56 CA PHE A 705 148.697 127.204 142.037 1.00 74.28 ATOM 57 C PHE A 705 148.406 128.515 142.755 1.00 74.28 ATOM 58 O PHE A 705 149.316 129.320 142.983 1.00 74.28 ATOM 59 CB PHE A 705 148.284 127.293 140.568 1.00 74.28 ATOM 60 CG PHE A 705 148.970 126.292 139.683 1.00 74.28 ATOM 61 CD1 PHE A 705 150.243 125.836 139.985 1.00 74.28 ATOM 62 CD2 PHE A 705 148.343 125.808 138.547 1.00 74.28 ATOM 63 CE1 PHE A 705 150.876 124.915 139.172 1.00 74.28 ATOM 64 CE2 PHE A 705 148.971 124.887 137.729 1.00 74.28 ATOM 65 CZ PHE A 705 150.239 124.440 138.042 1.00 74.28 ATOM 66 N PHE A 706 147.144 128.740 143.128 1.00 69.79 ATOM 67 CA PHE A 706 146.787 129.944 143.871 1.00 69.79 ATOM 68 C PHE A 706 147.518 129.999 145.205 1.00 69.79 ATOM 69 O PHE A 706 148.053 131.045 145.590 1.00 69.79 ATOM 70 CB PHE A 706 145.273 129.994 144.085 1.00 69.79 ATOM 71 CG PHE A 706 144.855 130.774 145.299 1.00 69.79 ATOM 72 CD1 PHE A 706 144.904 132.158 145.301 1.00 69.79 ATOM 73 CD2 PHE A 706 144.404 130.123 146.436 1.00 69.79 ATOM 74 CE1 PHE A 706 144.518 132.878 146.415 1.00 69.79 ATOM 75 CE2 PHE A 706 144.016 130.838 147.553 1.00 69.79 ATOM 76 CZ PHE A 706 144.073 132.217 147.543 1.00 69.79 ATOM 77 N MET A 707 147.545 128.876 145.926 1.00 75.14 ATOM 78 CA MET A 707 148.227 128.841 147.217 1.00 75.14 ATOM 79 C MET A 707 149.705 129.180 147.068 1.00 75.14 ATOM 80 O MET A 707 150.225 130.058 147.769 1.00 75.14 ATOM 81 CB MET A 707 148.053 127.469 147.870 1.00 75.14 ATOM 82 CG MET A 707 146.611 127.099 148.174 1.00 75.14 ATOM 83 SD MET A 707 146.341 125.316 148.238 1.00 75.14 ATOM 84 CE MET A 707 147.962 124.739 148.735 1.00 75.14 ATOM 85 N ILE A 708 150.399 128.499 146.151 1.00 74.93 ATOM 86 CA ILE A 708 151.835 128.720 146.009 1.00 74.93 ATOM 87 C ILE A 708 152.122 130.136 145.519 1.00 74.93 ATOM 88 O ILE A 708 153.076 130.777 145.976 1.00 74.93 ATOM 89 CB ILE A 708 152.469 127.647 145.099 1.00 74.93 ATOM 90 CG1 ILE A 708 152.065 127.837 143.634 1.00 74.93 ATOM 91 CG2 ILE A 708 152.137 126.247 145.604 1.00 74.93 ATOM 92 CD1 ILE A 708 152.765 126.898 142.678 1.00 74.93 ATOM 93 N ASN A 709 151.283 130.668 144.623 1.00 72.32 ATOM 94 CA ASN A 709 151.517 132.009 144.100 1.00 72.32 ATOM 95 C ASN A 709 151.310 133.062 145.180 1.00 72.32 ATOM 96 O ASN A 709 152.140 133.964 145.348 1.00 72.32 ATOM 97 CB ASN A 709 150.599 132.272 142.905 1.00 72.32 ATOM 98 CG ASN A 709 151.264 131.959 141.579 1.00 72.32 ATOM 99 OD1 ASN A 709 152.483 131.802 141.504 1.00 72.32 ATOM 100 ND2 ASN A 709 150.464 131.864 140.524 1.00 72.32 ATOM 101 N THR A 710 150.208 132.962 145.927 1.00 70.82 ATOM 102 CA THR A 710 149.966 133.906 147.011 1.00 70.82 ATOM 103 C THR A 710 151.066 133.828 148.060 1.00 70.82 ATOM 104 O THR A 710 151.538 134.861 148.552 1.00 70.82 ATOM 105 CB THR A 710 148.599 133.639 147.643 1.00 70.82 ATOM 106 OG1 THR A 710 147.574 133.818 146.657 1.00 70.82 ATOM 107 CG2 THR A 710 148.348 134.593 148.802 1.00 70.82 ATOM 108 N SER A 711 151.510 132.614 148.398 1.00 75.35 ATOM 109 CA SER A 711 152.548 132.469 149.412 1.00 75.35 ATOM 110 C SER A 711 153.859 133.093 148.951 1.00 75.35 ATOM 111 O SER A 711 154.488 133.853 149.699 1.00 75.35 ATOM 112 CB SER A 711 152.746 130.995 149.761 1.00 75.35 ATOM 113 OG SER A 711 152.828 130.202 148.592 1.00 75.35 ATOM 114 N ILE A 712 154.294 132.784 147.725 1.00 75.47 ATOM 115 CA ILE A 712 155.565 133.334 147.265 1.00 75.47 ATOM 116 C ILE A 712 155.468 134.847 147.123 1.00 75.47 ATOM 117 O ILE A 712 156.428 135.563 147.429 1.00 75.47 ATOM 118 CB ILE A 712 156.026 132.664 145.954 1.00 75.47 ATOM 119 CG1 ILE A 712 157.395 133.203 145.534 1.00 75.47 ATOM 120 CG2 ILE A 712 155.037 132.904 144.830 1.00 75.47 ATOM 121 CD1 ILE A 712 157.985 132.502 144.329 1.00 75.47 ATOM 122 N LEU A 713 154.308 135.367 146.710 1.00 73.02 ATOM 123 CA LEU A 713 154.152 136.812 146.584 1.00 73.02 ATOM 124 C LEU A 713 154.241 137.495 147.943 1.00 73.02 ATOM 125 O LEU A 713 154.937 138.506 148.098 1.00 73.02 ATOM 126 CB LEU A 713 152.824 137.136 145.900 1.00 73.02 ATOM 127 CG LEU A 713 152.798 138.406 145.049 1.00 73.02 ATOM 128 CD1 LEU A 713 153.940 138.405 144.046 1.00 73.02 ATOM 129 CD2 LEU A 713 151.463 138.538 144.342 1.00 73.02 ATOM 130 N LEU A 714 153.543 136.952 148.946 1.00 76.12 ATOM 131 CA LEU A 714 153.583 137.552 150.276 1.00 76.12 ATOM 132 C LEU A 714 154.982 137.480 150.876 1.00 76.12 ATOM 133 O LEU A 714 155.461 138.458 151.464 1.00 76.12 ATOM 134 CB LEU A 714 152.568 136.873 151.197 1.00 76.12 ATOM 135 CG LEU A 714 151.087 136.995 150.831 1.00 76.12 ATOM 136 CD1 LEU A 714 150.217 136.759 152.055 1.00 76.12 ATOM 137 CD2 LEU A 714 150.788 138.355 150.217 1.00 76.12 ATOM 138 N ILE A 715 155.658 136.335 150.736 1.00 81.14 ATOM 139 CA ILE A 715 157.005 136.213 151.285 1.00 81.14 ATOM 140 C ILE A 715 157.965 137.158 150.573 1.00 81.14 ATOM 141 O ILE A 715 158.825 137.781 151.207 1.00 81.14 ATOM 142 CB ILE A 715 157.490 134.752 151.219 1.00 81.14 ATOM 143 CG1 ILE A 715 156.529 133.836 151.980 1.00 81.14 ATOM 144 CG2 ILE A 715 158.902 134.631 151.774 1.00 81.14 ATOM 145 CD1 ILE A 715 156.983 132.394 152.052 1.00 81.14 ATOM 146 N PHE A 716 157.827 137.300 149.252 1.00 82.06 ATOM 147 CA PHE A 716 158.706 138.196 148.511 1.00 82.06 ATOM 148 C PHE A 716 158.479 139.645 148.923 1.00 82.06 ATOM 149 O PHE A 716 159.436 140.406 149.108 1.00 82.06 ATOM 150 CB PHE A 716 158.486 138.015 147.009 1.00 82.06 ATOM 151 CG PHE A 716 159.467 138.768 146.156 1.00 82.06 ATOM 152 CD1 PHE A 716 160.762 138.986 146.594 1.00 82.06 ATOM 153 CD2 PHE A 716 159.096 139.253 144.914 1.00 82.06 ATOM 154 CE1 PHE A 716 161.667 139.676 145.813 1.00 82.06 ATOM 155 CE2 PHE A 716 159.998 139.945 144.127 1.00 82.06 ATOM 156 CZ PHE A 716 161.285 140.155 144.578 1.00 82.06 ATOM 157 N ILE A 717 157.214 140.044 149.076 1.00 82.20 ATOM 158 CA ILE A 717 156.913 141.407 149.508 1.00 82.20 ATOM 159 C ILE A 717 157.474 141.661 150.902 1.00 82.20 ATOM 160 O ILE A 717 158.101 142.698 151.158 1.00 82.20 ATOM 161 CB ILE A 717 155.395 141.663 149.449 1.00 82.20 ATOM 162 CG1 ILE A 717 154.926 141.750 147.995 1.00 82.20 ATOM 163 CG2 ILE A 717 155.034 142.931 150.208 1.00 82.20 ATOM 164 CD1 ILE A 717 153.445 142.022 147.843 1.00 82.20 ATOM 165 N PHE A 718 157.270 140.715 151.821 1.00 88.04 ATOM 166 CA PHE A 718 157.775 140.883 153.180 1.00 88.04 ATOM 167 C PHE A 718 159.294 140.997 153.191 1.00 88.04 ATOM 168 O PHE A 718 159.859 141.859 153.875 1.00 88.04 ATOM 169 CB PHE A 718 157.312 139.719 154.057 1.00 88.04 ATOM 170 CG PHE A 718 156.987 140.117 155.469 1.00 88.04 ATOM 171 CD1 PHE A 718 155.771 140.705 155.774 1.00 88.04 ATOM 172 CD2 PHE A 718 157.897 139.902 156.490 1.00 88.04 ATOM 173 CE1 PHE A 718 155.469 141.072 157.072 1.00 88.04 ATOM 174 CE2 PHE A 718 157.601 140.267 157.790 1.00 88.04 ATOM 175 CZ PHE A 718 156.386 140.852 158.081 1.00 88.04 ATOM 176 N ILE A 719 159.976 140.153 152.413 1.00 87.69 ATOM 177 CA ILE A 719 161.434 140.158 152.449 1.00 87.69 ATOM 178 C ILE A 719 161.996 141.401 151.766 1.00 87.69 ATOM 179 O ILE A 719 163.024 141.935 152.198 1.00 87.69 ATOM 180 CB ILE A 719 161.998 138.856 151.844 1.00 87.69 ATOM 181 CG1 ILE A 719 163.446 138.643 152.293 1.00 87.69 ATOM 182 CG2 ILE A 719 161.908 138.858 150.326 1.00 87.69 ATOM 183 CD1 ILE A 719 163.579 138.185 153.729 1.00 87.69 ATOM 184 N VAL A 720 161.331 141.915 150.726 1.00 87.89 ATOM 185 CA VAL A 720 161.863 143.116 150.090 1.00 87.89 ATOM 186 C VAL A 720 161.611 144.335 150.968 1.00 87.89 ATOM 187 O VAL A 720 162.453 145.238 151.039 1.00 87.89 ATOM 188 CB VAL A 720 161.293 143.304 148.669 1.00 87.89 ATOM 189 CG1 VAL A 720 159.790 143.468 148.695 1.00 87.89 ATOM 190 CG2 VAL A 720 161.954 144.492 147.979 1.00 87.89 ATOM 191 N LEU A 721 160.476 144.378 151.676 1.00 89.40 ATOM 192 CA LEU A 721 160.269 145.457 152.637 1.00 89.40 ATOM 193 C LEU A 721 161.267 145.370 153.786 1.00 89.40 ATOM 194 O LEU A 721 161.724 146.399 154.296 1.00 89.40 ATOM 195 CB LEU A 721 158.835 145.436 153.167 1.00 89.40 ATOM 196 CG LEU A 721 157.726 145.680 152.143 1.00 89.40 ATOM 197 CD1 LEU A 721 156.366 145.707 152.823 1.00 89.40 ATOM 198 CD2 LEU A 721 157.980 146.975 151.387 1.00 89.40 ATOM 199 N LEU A 722 161.625 144.151 154.199 1.00 93.34 ATOM 200 CA LEU A 722 162.625 143.994 155.250 1.00 93.34 ATOM 201 C LEU A 722 163.996 144.464 154.774 1.00 93.34 ATOM 202 O LEU A 722 164.726 145.124 155.523 1.00 93.34 ATOM 203 CB LEU A 722 162.666 142.533 155.708 1.00 93.34 ATOM 204 CG LEU A 722 163.331 142.108 157.025 1.00 93.34 ATOM 205 CD1 LEU A 722 162.951 140.671 157.341 1.00 93.34 ATOM 206 CD2 LEU A 722 164.849 142.240 157.002 1.00 93.34 ATOM 207 N ILE A 723 164.361 144.137 153.533 1.00 93.38 ATOM 208 CA ILE A 723 165.653 144.561 153.001 1.00 93.38 ATOM 209 C ILE A 723 165.696 146.075 152.832 1.00 93.38 ATOM 210 O ILE A 723 166.711 146.717 153.129 1.00 93.38 ATOM 211 CB ILE A 723 165.956 143.831 151.679 1.00 93.38 ATOM 212 CG1 ILE A 723 166.124 142.328 151.920 1.00 93.38 ATOM 213 CG2 ILE A 723 167.200 144.406 151.017 1.00 93.38 ATOM 214 CD1 ILE A 723 167.006 141.988 153.104 1.00 93.38 ATOM 215 N HIS A 724 164.599 146.673 152.360 1.00 91.29 ATOM 216 CA HIS A 724 164.567 148.121 152.179 1.00 91.29 ATOM 217 C HIS A 724 164.628 148.844 153.520 1.00 91.29 ATOM 218 O HIS A 724 165.442 149.757 153.707 1.00 91.29 ATOM 219 CB HIS A 724 163.314 148.526 151.404 1.00 91.29 ATOM 220 CG HIS A 724 163.009 149.990 151.472 1.00 91.29 ATOM 221 ND1 HIS A 724 163.976 150.959 151.310 1.00 91.29 ATOM 222 CD2 HIS A 724 161.847 150.650 151.690 1.00 91.29 ATOM 223 CE1 HIS A 724 163.422 152.153 151.424 1.00 91.29 ATOM 224 NE2 HIS A 724 162.131 151.994 151.654 1.00 91.29 ATOM 225 N PHE A 725 163.771 148.452 154.466 1.00 92.58 ATOM 226 CA PHE A 725 163.773 149.095 155.775 1.00 92.58 ATOM 227 C PHE A 725 165.047 148.790 156.552 1.00 92.58 ATOM 228 O PHE A 725 165.500 149.624 157.344 1.00 92.58 ATOM 229 CB PHE A 725 162.545 148.659 156.576 1.00 92.58 ATOM 230 CG PHE A 725 161.248 149.206 156.047 1.00 92.58 ATOM 231 CD1 PHE A 725 161.238 150.242 155.127 1.00 92.58 ATOM 232 CD2 PHE A 725 160.038 148.681 156.469 1.00 92.58 ATOM 233 CE1 PHE A 725 160.046 150.745 154.640 1.00 92.58 ATOM 234 CE2 PHE A 725 158.842 149.180 155.985 1.00 92.58 ATOM 235 CZ PHE A 725 158.847 150.213 155.070 1.00 92.58 ATOM 236 N GLU A 726 165.631 147.612 156.337 1.00 98.82 ATOM 237 CA GLU A 726 166.873 147.202 156.993 1.00 98.82 ATOM 238 C GLU A 726 166.770 147.282 158.514 1.00 98.82 ATOM 239 O GLU A 726 165.738 146.945 159.094 1.00 98.82 ATOM 240 CB GLU A 726 168.047 148.053 156.499 1.00 98.82 ATOM 241 CG GLU A 726 169.405 147.386 156.648 1.00 98.82 ATOM 242 CD GLU A 726 170.223 147.974 157.780 1.00 98.82 ATOM 243 OE1 GLU A 726 171.157 147.295 158.256 1.00 98.82 ATOM 244 OE2 GLU A 726 169.933 149.116 158.194 1.00 98.82 TER