HEADER PROTEIN TRANSPORT 31-DEC-69 7KAK TITLE Cryo-EM structure of the Sec complex from T. lanuginosus, wild-type, TITLE 2 class without Sec62 COMPND MOL_ID: 3; COMPND 2 MOLECULE: Protein transport channel Sec61 complex, beta subunit COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7KAK B 1 125 PDB 7KAK 7KAK 1 125 SEQRES 1 B 32 LEU ARG VAL ASP PRO VAL VAL VAL LEU VAL LEU SER LEU SEQRES 2 B 32 CYS PHE ILE PHE SER VAL VAL GLY LEU HIS VAL ILE ALA SEQRES 3 B 32 LYS ILE THR ARG LYS PHE ATOM 1 N LEU B 92 158.280 169.799 148.628 1.00167.64 ATOM 2 CA LEU B 92 159.112 168.738 148.072 1.00167.64 ATOM 3 C LEU B 92 158.279 167.513 147.715 1.00167.64 ATOM 4 O LEU B 92 157.632 166.917 148.576 1.00167.64 ATOM 5 CB LEU B 92 160.216 168.351 149.057 1.00167.64 ATOM 6 CG LEU B 92 161.128 167.200 148.627 1.00167.64 ATOM 7 CD1 LEU B 92 161.854 167.541 147.335 1.00167.64 ATOM 8 CD2 LEU B 92 162.118 166.858 149.729 1.00167.64 ATOM 9 N ARG B 93 158.299 167.140 146.439 1.00159.51 ATOM 10 CA ARG B 93 157.570 165.984 145.945 1.00159.51 ATOM 11 C ARG B 93 158.533 165.022 145.262 1.00159.51 ATOM 12 O ARG B 93 159.613 165.408 144.807 1.00159.51 ATOM 13 CB ARG B 93 156.453 166.404 144.983 1.00159.51 ATOM 14 CG ARG B 93 155.292 167.096 145.677 1.00159.51 ATOM 15 CD ARG B 93 154.289 167.653 144.683 1.00159.51 ATOM 16 NE ARG B 93 153.109 168.194 145.351 1.00159.51 ATOM 17 CZ ARG B 93 153.048 169.405 145.897 1.00159.51 ATOM 18 NH1 ARG B 93 154.103 170.208 145.855 1.00159.51 ATOM 19 NH2 ARG B 93 151.932 169.813 146.485 1.00159.51 ATOM 20 N VAL B 94 158.127 163.757 145.195 1.00147.08 ATOM 21 CA VAL B 94 158.988 162.679 144.727 1.00147.08 ATOM 22 C VAL B 94 158.228 161.847 143.701 1.00147.08 ATOM 23 O VAL B 94 157.002 161.714 143.778 1.00147.08 ATOM 24 CB VAL B 94 159.475 161.809 145.908 1.00147.08 ATOM 25 CG1 VAL B 94 158.307 161.104 146.582 1.00147.08 ATOM 26 CG2 VAL B 94 160.532 160.819 145.459 1.00147.08 ATOM 27 N ASP B 95 158.962 161.300 142.725 1.00135.32 ATOM 28 CA ASP B 95 158.380 160.467 141.684 1.00135.32 ATOM 29 C ASP B 95 158.128 159.052 142.205 1.00135.32 ATOM 30 O ASP B 95 158.811 158.590 143.123 1.00135.32 ATOM 31 CB ASP B 95 159.301 160.415 140.470 1.00135.32 ATOM 32 N PRO B 96 157.148 158.345 141.634 1.00127.45 ATOM 33 CA PRO B 96 156.818 157.008 142.155 1.00127.45 ATOM 34 C PRO B 96 157.922 155.981 141.974 1.00127.45 ATOM 35 O PRO B 96 157.995 155.032 142.764 1.00127.45 ATOM 36 CB PRO B 96 155.560 156.624 141.363 1.00127.45 ATOM 37 CG PRO B 96 154.982 157.924 140.914 1.00127.45 ATOM 38 CD PRO B 96 156.161 158.809 140.646 1.00127.45 ATOM 39 N VAL B 97 158.777 156.120 140.959 1.00125.93 ATOM 40 CA VAL B 97 159.849 155.149 140.768 1.00125.93 ATOM 41 C VAL B 97 160.974 155.359 141.774 1.00125.93 ATOM 42 O VAL B 97 161.747 154.430 142.053 1.00125.93 ATOM 43 CB VAL B 97 160.369 155.226 139.321 1.00125.93 ATOM 44 CG1 VAL B 97 161.292 154.057 139.011 1.00125.93 ATOM 45 CG2 VAL B 97 159.202 155.263 138.348 1.00125.93 ATOM 46 N VAL B 98 161.071 156.561 142.345 1.00127.89 ATOM 47 CA VAL B 98 162.159 156.865 143.267 1.00127.89 ATOM 48 C VAL B 98 162.004 156.079 144.563 1.00127.89 ATOM 49 O VAL B 98 162.993 155.618 145.141 1.00127.89 ATOM 50 CB VAL B 98 162.227 158.380 143.522 1.00127.89 ATOM 51 CG1 VAL B 98 163.430 158.724 144.385 1.00127.89 ATOM 52 CG2 VAL B 98 162.280 159.131 142.203 1.00127.89 ATOM 53 N VAL B 99 160.770 155.895 145.036 1.00125.17 ATOM 54 CA VAL B 99 160.580 155.132 146.266 1.00125.17 ATOM 55 C VAL B 99 160.923 153.663 146.044 1.00125.17 ATOM 56 O VAL B 99 161.472 153.000 146.931 1.00125.17 ATOM 57 CB VAL B 99 159.149 155.315 146.807 1.00125.17 ATOM 58 CG1 VAL B 99 158.135 154.693 145.877 1.00125.17 ATOM 59 CG2 VAL B 99 159.032 154.708 148.193 1.00125.17 ATOM 60 N LEU B 100 160.644 153.137 144.849 1.00120.14 ATOM 61 CA LEU B 100 160.998 151.751 144.566 1.00120.14 ATOM 62 C LEU B 100 162.506 151.578 144.462 1.00120.14 ATOM 63 O LEU B 100 163.066 150.608 144.991 1.00120.14 ATOM 64 CB LEU B 100 160.315 151.284 143.285 1.00120.14 ATOM 65 CG LEU B 100 158.790 151.328 143.295 1.00120.14 ATOM 66 CD1 LEU B 100 158.255 150.639 142.059 1.00120.14 ATOM 67 CD2 LEU B 100 158.240 150.683 144.554 1.00120.14 ATOM 68 N VAL B 101 163.186 152.509 143.787 1.00122.71 ATOM 69 CA VAL B 101 164.638 152.398 143.703 1.00122.71 ATOM 70 C VAL B 101 165.267 152.605 145.077 1.00122.71 ATOM 71 O VAL B 101 166.306 152.010 145.383 1.00122.71 ATOM 72 CB VAL B 101 165.207 153.369 142.651 1.00122.71 ATOM 73 CG1 VAL B 101 165.266 154.785 143.187 1.00122.71 ATOM 74 CG2 VAL B 101 166.584 152.907 142.201 1.00122.71 ATOM 75 N LEU B 102 164.638 153.408 145.941 1.00124.02 ATOM 76 CA LEU B 102 165.134 153.567 147.303 1.00124.02 ATOM 77 C LEU B 102 164.956 152.284 148.104 1.00124.02 ATOM 78 O LEU B 102 165.856 151.882 148.850 1.00124.02 ATOM 79 CB LEU B 102 164.422 154.735 147.986 1.00124.02 ATOM 80 CG LEU B 102 164.536 154.844 149.508 1.00124.02 ATOM 81 CD1 LEU B 102 165.982 155.048 149.931 1.00124.02 ATOM 82 CD2 LEU B 102 163.661 155.974 150.027 1.00124.02 ATOM 83 N SER B 103 163.803 151.628 147.963 1.00119.36 ATOM 84 CA SER B 103 163.602 150.344 148.625 1.00119.36 ATOM 85 C SER B 103 164.637 149.326 148.168 1.00119.36 ATOM 86 O SER B 103 165.205 148.594 148.987 1.00119.36 ATOM 87 CB SER B 103 162.190 149.827 148.354 1.00119.36 ATOM 88 OG SER B 103 161.252 150.415 149.236 1.00119.36 ATOM 89 N LEU B 104 164.908 149.277 146.862 1.00119.43 ATOM 90 CA LEU B 104 165.878 148.311 146.356 1.00119.43 ATOM 91 C LEU B 104 167.288 148.634 146.840 1.00119.43 ATOM 92 O LEU B 104 168.041 147.729 147.226 1.00119.43 ATOM 93 CB LEU B 104 165.831 148.263 144.831 1.00119.43 ATOM 94 CG LEU B 104 166.295 146.939 144.225 1.00119.43 ATOM 95 CD1 LEU B 104 165.347 145.824 144.626 1.00119.43 ATOM 96 CD2 LEU B 104 166.402 147.041 142.714 1.00119.43 ATOM 97 N CYS B 105 167.665 149.916 146.832 1.00122.31 ATOM 98 CA CYS B 105 168.991 150.291 147.306 1.00122.31 ATOM 99 C CYS B 105 169.143 149.994 148.791 1.00122.31 ATOM 100 O CYS B 105 170.221 149.601 149.242 1.00122.31 ATOM 101 CB CYS B 105 169.264 151.767 147.020 1.00122.31 ATOM 102 SG CYS B 105 168.677 152.911 148.288 1.00122.31 ATOM 103 N PHE B 106 168.068 150.154 149.565 1.00120.08 ATOM 104 CA PHE B 106 168.123 149.831 150.988 1.00120.08 ATOM 105 C PHE B 106 168.264 148.329 151.211 1.00120.08 ATOM 106 O PHE B 106 169.063 147.888 152.051 1.00120.08 ATOM 107 CB PHE B 106 166.874 150.371 151.681 1.00120.08 ATOM 108 CG PHE B 106 166.751 149.965 153.115 1.00120.08 ATOM 109 CD1 PHE B 106 167.717 150.326 154.034 1.00120.08 ATOM 110 CD2 PHE B 106 165.659 149.236 153.548 1.00120.08 ATOM 111 CE1 PHE B 106 167.605 149.956 155.356 1.00120.08 ATOM 112 CE2 PHE B 106 165.539 148.866 154.870 1.00120.08 ATOM 113 CZ PHE B 106 166.513 149.226 155.776 1.00120.08 ATOM 114 N ILE B 107 167.493 147.531 150.466 1.00114.29 ATOM 115 CA ILE B 107 167.591 146.079 150.578 1.00114.29 ATOM 116 C ILE B 107 168.997 145.614 150.229 1.00114.29 ATOM 117 O ILE B 107 169.551 144.719 150.879 1.00114.29 ATOM 118 CB ILE B 107 166.531 145.402 149.690 1.00114.29 ATOM 119 CG1 ILE B 107 165.132 145.639 150.257 1.00114.29 ATOM 120 CG2 ILE B 107 166.801 143.914 149.566 1.00114.29 ATOM 121 CD1 ILE B 107 164.931 145.054 151.631 1.00114.29 ATOM 122 N PHE B 108 169.605 146.222 149.209 1.00116.49 ATOM 123 CA PHE B 108 170.964 145.839 148.847 1.00116.49 ATOM 124 C PHE B 108 171.996 146.373 149.833 1.00116.49 ATOM 125 O PHE B 108 173.018 145.720 150.065 1.00116.49 ATOM 126 CB PHE B 108 171.283 146.314 147.431 1.00116.49 ATOM 127 CG PHE B 108 170.820 145.367 146.364 1.00116.49 ATOM 128 CD1 PHE B 108 170.793 144.004 146.600 1.00116.49 ATOM 129 CD2 PHE B 108 170.401 145.838 145.133 1.00116.49 ATOM 130 CE1 PHE B 108 170.366 143.127 145.626 1.00116.49 ATOM 131 CE2 PHE B 108 169.972 144.965 144.154 1.00116.49 ATOM 132 CZ PHE B 108 169.955 143.607 144.402 1.00116.49 ATOM 133 N SER B 109 171.745 147.535 150.436 1.00120.00 ATOM 134 CA SER B 109 172.687 148.077 151.406 1.00120.00 ATOM 135 C SER B 109 172.728 147.226 152.666 1.00120.00 ATOM 136 O SER B 109 173.789 147.070 153.281 1.00120.00 ATOM 137 CB SER B 109 172.317 149.520 151.742 1.00120.00 ATOM 138 OG SER B 109 172.871 149.907 152.985 1.00120.00 ATOM 139 N VAL B 110 171.586 146.661 153.062 1.00115.71 ATOM 140 CA VAL B 110 171.569 145.790 154.237 1.00115.71 ATOM 141 C VAL B 110 172.473 144.580 154.017 1.00115.71 ATOM 142 O VAL B 110 173.334 144.262 154.850 1.00115.71 ATOM 143 CB VAL B 110 170.130 145.364 154.574 1.00115.71 ATOM 144 CG1 VAL B 110 170.140 144.271 155.624 1.00115.71 ATOM 145 CG2 VAL B 110 169.330 146.558 155.059 1.00115.71 ATOM 146 N VAL B 111 172.299 143.891 152.886 1.00114.73 ATOM 147 CA VAL B 111 173.102 142.700 152.634 1.00114.73 ATOM 148 C VAL B 111 174.558 143.076 152.384 1.00114.73 ATOM 149 O VAL B 111 175.469 142.311 152.727 1.00114.73 ATOM 150 CB VAL B 111 172.508 141.882 151.470 1.00114.73 ATOM 151 CG1 VAL B 111 172.406 142.717 150.214 1.00114.73 ATOM 152 CG2 VAL B 111 173.329 140.627 151.215 1.00114.73 ATOM 153 N GLY B 112 174.811 144.258 151.819 1.00118.46 ATOM 154 CA GLY B 112 176.185 144.708 151.678 1.00118.46 ATOM 155 C GLY B 112 176.863 144.922 153.017 1.00118.46 ATOM 156 O GLY B 112 178.013 144.524 153.213 1.00118.46 ATOM 157 N LEU B 113 176.155 145.547 153.959 1.00121.22 ATOM 158 CA LEU B 113 176.701 145.713 155.301 1.00121.22 ATOM 159 C LEU B 113 176.950 144.362 155.957 1.00121.22 ATOM 160 O LEU B 113 177.987 144.157 156.602 1.00121.22 ATOM 161 CB LEU B 113 175.752 146.562 156.147 1.00121.22 ATOM 162 CG LEU B 113 176.272 147.115 157.474 1.00121.22 ATOM 163 CD1 LEU B 113 175.668 148.483 157.741 1.00121.22 ATOM 164 CD2 LEU B 113 175.956 146.167 158.619 1.00121.22 ATOM 165 N HIS B 114 176.015 143.424 155.791 1.00121.87 ATOM 166 CA HIS B 114 176.192 142.095 156.371 1.00121.87 ATOM 167 C HIS B 114 177.432 141.408 155.812 1.00121.87 ATOM 168 O HIS B 114 178.238 140.848 156.565 1.00121.87 ATOM 169 CB HIS B 114 174.955 141.234 156.120 1.00121.87 ATOM 170 CG HIS B 114 173.832 141.485 157.076 1.00121.87 ATOM 171 ND1 HIS B 114 172.693 140.711 157.098 1.00121.87 ATOM 172 CD2 HIS B 114 173.669 142.423 158.038 1.00121.87 ATOM 173 CE1 HIS B 114 171.875 141.162 158.031 1.00121.87 ATOM 174 NE2 HIS B 114 172.443 142.200 158.616 1.00121.87 ATOM 175 N VAL B 115 177.605 141.440 154.489 1.00131.38 ATOM 176 CA VAL B 115 178.729 140.725 153.892 1.00131.38 ATOM 177 C VAL B 115 180.045 141.434 154.197 1.00131.38 ATOM 178 O VAL B 115 181.086 140.783 154.342 1.00131.38 ATOM 179 CB VAL B 115 178.510 140.531 152.378 1.00131.38 ATOM 180 CG1 VAL B 115 178.538 141.856 151.646 1.00131.38 ATOM 181 CG2 VAL B 115 179.546 139.578 151.805 1.00131.38 ATOM 182 N ILE B 116 180.025 142.762 154.342 1.00141.72 ATOM 183 CA ILE B 116 181.237 143.471 154.738 1.00141.72 ATOM 184 C ILE B 116 181.633 143.097 156.160 1.00141.72 ATOM 185 O ILE B 116 182.813 142.863 156.451 1.00141.72 ATOM 186 CB ILE B 116 181.044 144.990 154.580 1.00141.72 ATOM 187 CG1 ILE B 116 181.128 145.383 153.105 1.00141.72 ATOM 188 CG2 ILE B 116 182.072 145.755 155.400 1.00141.72 ATOM 189 CD1 ILE B 116 182.431 144.991 152.444 1.00141.72 ATOM 190 N ALA B 117 180.656 143.026 157.068 1.00149.96 ATOM 191 CA ALA B 117 180.956 142.598 158.430 1.00149.96 ATOM 192 C ALA B 117 181.458 141.161 158.456 1.00149.96 ATOM 193 O ALA B 117 182.360 140.825 159.232 1.00149.96 ATOM 194 CB ALA B 117 179.721 142.752 159.313 1.00149.96 ATOM 195 N LYS B 118 180.887 140.299 157.613 1.00152.82 ATOM 196 CA LYS B 118 181.361 138.920 157.537 1.00152.82 ATOM 197 C LYS B 118 182.804 138.861 157.054 1.00152.82 ATOM 198 O LYS B 118 183.611 138.085 157.579 1.00152.82 ATOM 199 CB LYS B 118 180.454 138.102 156.619 1.00152.82 ATOM 200 CG LYS B 118 180.985 136.713 156.310 1.00152.82 ATOM 201 CD LYS B 118 180.204 136.059 155.186 1.00152.82 ATOM 202 CE LYS B 118 180.843 134.747 154.769 1.00152.82 ATOM 203 NZ LYS B 118 180.136 134.132 153.614 1.00152.82 ATOM 204 N ILE B 119 183.147 139.675 156.054 1.00159.07 ATOM 205 CA ILE B 119 184.519 139.702 155.553 1.00159.07 ATOM 206 C ILE B 119 185.468 140.212 156.629 1.00159.07 ATOM 207 O ILE B 119 186.575 139.687 156.801 1.00159.07 ATOM 208 CB ILE B 119 184.601 140.552 154.271 1.00159.07 ATOM 209 CG1 ILE B 119 183.931 139.820 153.107 1.00159.07 ATOM 210 CG2 ILE B 119 186.046 140.882 153.932 1.00159.07 ATOM 211 CD1 ILE B 119 184.564 138.485 152.784 1.00159.07 ATOM 212 N THR B 120 185.048 141.235 157.376 1.00167.16 ATOM 213 CA THR B 120 185.892 141.761 158.445 1.00167.16 ATOM 214 C THR B 120 186.093 140.729 159.549 1.00167.16 ATOM 215 O THR B 120 187.191 140.609 160.106 1.00167.16 ATOM 216 CB THR B 120 185.283 143.046 159.010 1.00167.16 ATOM 217 OG1 THR B 120 185.215 144.037 157.978 1.00167.16 ATOM 218 CG2 THR B 120 186.123 143.582 160.161 1.00167.16 ATOM 219 N ARG B 121 185.047 139.963 159.870 1.00175.74 ATOM 220 CA ARG B 121 185.169 138.950 160.913 1.00175.74 ATOM 221 C ARG B 121 186.046 137.790 160.459 1.00175.74 ATOM 222 O ARG B 121 186.861 137.279 161.237 1.00175.74 ATOM 223 CB ARG B 121 183.786 138.444 161.321 1.00175.74 ATOM 224 CG ARG B 121 183.819 137.342 162.369 1.00175.74 ATOM 225 CD ARG B 121 182.545 136.512 162.352 1.00175.74 ATOM 226 NE ARG B 121 181.361 137.313 162.648 1.00175.74 ATOM 227 CZ ARG B 121 180.123 136.830 162.682 1.00175.74 ATOM 228 NH1 ARG B 121 179.905 135.544 162.438 1.00175.74 ATOM 229 NH2 ARG B 121 179.104 137.630 162.960 1.00175.74 ATOM 230 N LYS B 122 185.895 137.360 159.204 1.00180.63 ATOM 231 CA LYS B 122 186.670 136.234 158.696 1.00180.63 ATOM 232 C LYS B 122 188.161 136.535 158.631 1.00180.63 ATOM 233 O LYS B 122 188.969 135.600 158.632 1.00180.63 ATOM 234 CB LYS B 122 186.162 135.828 157.312 1.00180.63 ATOM 235 N PHE B 123 188.543 137.806 158.575 1.00181.12 ATOM 236 CA PHE B 123 189.951 138.177 158.534 1.00181.12 ATOM 237 C PHE B 123 190.320 139.040 159.736 1.00181.12 ATOM 238 O PHE B 123 191.104 138.628 160.591 1.00181.12 ATOM 239 CB PHE B 123 190.275 138.913 157.234 1.00181.12 ATOM 240 CG PHE B 123 191.660 139.488 157.193 1.00181.12 ATOM 241 CD1 PHE B 123 192.755 138.672 156.967 1.00181.12 ATOM 242 CD2 PHE B 123 191.867 140.845 157.379 1.00181.12 ATOM 243 CE1 PHE B 123 194.033 139.198 156.929 1.00181.12 ATOM 244 CE2 PHE B 123 193.141 141.377 157.342 1.00181.12 ATOM 245 CZ PHE B 123 194.226 140.552 157.116 1.00181.12 TER