HEADER PROTEIN TRANSPORT/INHIBITOR 31-DEC-69 8DNW TITLE Cryo-EM structure of the human Sec61 complex in a partially-open apo TITLE 2 state (Class 2) COMPND MOL_ID: 2; COMPND 2 MOLECULE: Protein transport protein Sec61 subunit beta; COMPND 3 CHAIN: C; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 8DNW C 1 96 UNP P60468 SC61B_HUMAN 1 96 SEQRES 1 C 32 GLY LEU LYS VAL GLY PRO VAL PRO VAL LEU VAL MET SER SEQRES 2 C 32 LEU LEU PHE ILE ALA SER VAL PHE MET LEU HIS ILE TRP SEQRES 3 C 32 GLY LYS TYR THR ARG SER ATOM 1 N GLY C 65 136.273 107.070 138.483 1.00 58.80 ATOM 2 CA GLY C 65 135.984 108.320 137.806 1.00 58.80 ATOM 3 C GLY C 65 136.978 109.418 138.129 1.00 58.80 ATOM 4 O GLY C 65 137.008 109.931 139.247 1.00 58.80 ATOM 5 N LEU C 66 137.797 109.777 137.144 1.00 57.77 ATOM 6 CA LEU C 66 138.795 110.818 137.344 1.00 57.77 ATOM 7 C LEU C 66 138.130 112.184 137.448 1.00 57.77 ATOM 8 O LEU C 66 137.276 112.542 136.633 1.00 57.77 ATOM 9 CB LEU C 66 139.805 110.812 136.197 1.00 57.77 ATOM 10 CG LEU C 66 140.954 111.815 136.306 1.00 57.77 ATOM 11 CD1 LEU C 66 141.807 111.518 137.528 1.00 57.77 ATOM 12 CD2 LEU C 66 141.800 111.807 135.044 1.00 57.77 ATOM 13 N LYS C 67 138.536 112.953 138.457 1.00 54.10 ATOM 14 CA LYS C 67 137.999 114.286 138.702 1.00 54.10 ATOM 15 C LYS C 67 139.151 115.278 138.714 1.00 54.10 ATOM 16 O LYS C 67 140.166 115.042 139.377 1.00 54.10 ATOM 17 CB LYS C 67 137.233 114.341 140.028 1.00 54.10 ATOM 18 CG LYS C 67 135.948 113.524 140.057 1.00 54.10 ATOM 19 CD LYS C 67 135.184 113.626 138.748 1.00 54.10 ATOM 20 CE LYS C 67 134.186 112.490 138.599 1.00 54.10 ATOM 21 NZ LYS C 67 133.287 112.380 139.779 1.00 54.10 ATOM 22 N VAL C 68 138.996 116.380 137.983 1.00 47.14 ATOM 23 CA VAL C 68 139.990 117.442 137.943 1.00 47.14 ATOM 24 C VAL C 68 139.290 118.774 138.186 1.00 47.14 ATOM 25 O VAL C 68 138.074 118.900 138.048 1.00 47.14 ATOM 26 CB VAL C 68 140.769 117.471 136.614 1.00 47.14 ATOM 27 CG1 VAL C 68 141.644 116.236 136.481 1.00 47.14 ATOM 28 CG2 VAL C 68 139.815 117.588 135.439 1.00 47.14 ATOM 29 N GLY C 69 140.081 119.774 138.558 1.00 39.37 ATOM 30 CA GLY C 69 139.575 121.111 138.743 1.00 39.37 ATOM 31 C GLY C 69 139.652 121.903 137.457 1.00 39.37 ATOM 32 O GLY C 69 139.822 121.343 136.371 1.00 39.37 ATOM 33 N PRO C 70 139.518 123.221 137.547 1.00 36.32 ATOM 34 CA PRO C 70 139.675 124.053 136.349 1.00 36.32 ATOM 35 C PRO C 70 141.133 124.359 136.049 1.00 36.32 ATOM 36 O PRO C 70 141.521 124.506 134.885 1.00 36.32 ATOM 37 CB PRO C 70 138.893 125.322 136.701 1.00 36.32 ATOM 38 CG PRO C 70 138.902 125.383 138.193 1.00 36.32 ATOM 39 CD PRO C 70 139.213 124.017 138.746 1.00 36.32 ATOM 40 N VAL C 71 141.950 124.448 137.094 1.00 34.74 ATOM 41 CA VAL C 71 143.380 124.704 136.948 1.00 34.74 ATOM 42 C VAL C 71 144.072 123.491 136.329 1.00 34.74 ATOM 43 O VAL C 71 144.953 123.674 135.478 1.00 34.74 ATOM 44 CB VAL C 71 144.019 125.096 138.290 1.00 34.74 ATOM 45 CG1 VAL C 71 145.500 125.367 138.110 1.00 34.74 ATOM 46 CG2 VAL C 71 143.322 126.312 138.864 1.00 34.74 ATOM 47 N PRO C 72 143.753 122.249 136.724 1.00 35.03 ATOM 48 CA PRO C 72 144.299 121.111 135.967 1.00 35.03 ATOM 49 C PRO C 72 143.930 121.134 134.495 1.00 35.03 ATOM 50 O PRO C 72 144.765 120.791 133.653 1.00 35.03 ATOM 51 CB PRO C 72 143.700 119.897 136.685 1.00 35.03 ATOM 52 CG PRO C 72 143.523 120.352 138.071 1.00 35.03 ATOM 53 CD PRO C 72 143.123 121.798 137.980 1.00 35.03 ATOM 54 N VAL C 73 142.707 121.547 134.155 1.00 32.67 ATOM 55 CA VAL C 73 142.318 121.622 132.749 1.00 32.67 ATOM 56 C VAL C 73 143.121 122.698 132.029 1.00 32.67 ATOM 57 O VAL C 73 143.584 122.493 130.900 1.00 32.67 ATOM 58 CB VAL C 73 140.804 121.863 132.621 1.00 32.67 ATOM 59 CG1 VAL C 73 140.427 122.082 131.168 1.00 32.67 ATOM 60 CG2 VAL C 73 140.037 120.687 133.192 1.00 32.67 ATOM 61 N LEU C 74 143.297 123.859 132.664 1.00 32.20 ATOM 62 CA LEU C 74 144.103 124.917 132.062 1.00 32.20 ATOM 63 C LEU C 74 145.539 124.457 131.840 1.00 32.20 ATOM 64 O LEU C 74 146.114 124.680 130.766 1.00 32.20 ATOM 65 CB LEU C 74 144.068 126.161 132.948 1.00 32.20 ATOM 66 CG LEU C 74 145.088 127.266 132.674 1.00 32.20 ATOM 67 CD1 LEU C 74 144.937 127.799 131.267 1.00 32.20 ATOM 68 CD2 LEU C 74 144.940 128.389 133.687 1.00 32.20 ATOM 69 N VAL C 75 146.127 123.798 132.839 1.00 31.23 ATOM 70 CA VAL C 75 147.506 123.339 132.720 1.00 31.23 ATOM 71 C VAL C 75 147.624 122.265 131.648 1.00 31.23 ATOM 72 O VAL C 75 148.599 122.235 130.893 1.00 31.23 ATOM 73 CB VAL C 75 148.026 122.847 134.082 1.00 31.23 ATOM 74 CG1 VAL C 75 149.389 122.200 133.927 1.00 31.23 ATOM 75 CG2 VAL C 75 148.105 124.004 135.061 1.00 31.23 ATOM 76 N MET C 76 146.637 121.374 131.552 1.00 31.36 ATOM 77 CA MET C 76 146.698 120.320 130.546 1.00 31.36 ATOM 78 C MET C 76 146.534 120.888 129.141 1.00 31.36 ATOM 79 O MET C 76 147.187 120.426 128.199 1.00 31.36 ATOM 80 CB MET C 76 145.641 119.258 130.846 1.00 31.36 ATOM 81 CG MET C 76 145.628 118.084 129.887 1.00 31.36 ATOM 82 SD MET C 76 143.970 117.452 129.580 1.00 31.36 ATOM 83 CE MET C 76 143.586 118.268 128.041 1.00 31.36 ATOM 84 N SER C 77 145.680 121.902 128.980 1.00 30.00 ATOM 85 CA SER C 77 145.566 122.571 127.687 1.00 30.00 ATOM 86 C SER C 77 146.870 123.261 127.308 1.00 30.00 ATOM 87 O SER C 77 147.313 123.185 126.153 1.00 30.00 ATOM 88 CB SER C 77 144.419 123.578 127.717 1.00 30.00 ATOM 89 OG SER C 77 143.218 122.969 128.152 1.00 30.00 ATOM 90 N LEU C 78 147.501 123.943 128.266 1.00 28.02 ATOM 91 CA LEU C 78 148.777 124.590 127.981 1.00 28.02 ATOM 92 C LEU C 78 149.854 123.563 127.652 1.00 28.02 ATOM 93 O LEU C 78 150.703 123.804 126.787 1.00 28.02 ATOM 94 CB LEU C 78 149.200 125.466 129.157 1.00 28.02 ATOM 95 CG LEU C 78 148.310 126.683 129.409 1.00 28.02 ATOM 96 CD1 LEU C 78 148.783 127.449 130.630 1.00 28.02 ATOM 97 CD2 LEU C 78 148.276 127.583 128.187 1.00 28.02 ATOM 98 N LEU C 79 149.836 122.412 128.327 1.00 29.48 ATOM 99 CA LEU C 79 150.790 121.356 128.010 1.00 29.48 ATOM 100 C LEU C 79 150.548 120.791 126.618 1.00 29.48 ATOM 101 O LEU C 79 151.500 120.455 125.910 1.00 29.48 ATOM 102 CB LEU C 79 150.731 120.241 129.054 1.00 29.48 ATOM 103 CG LEU C 79 151.243 120.581 130.453 1.00 29.48 ATOM 104 CD1 LEU C 79 151.007 119.419 131.402 1.00 29.48 ATOM 105 CD2 LEU C 79 152.715 120.948 130.404 1.00 29.48 ATOM 106 N PHE C 80 149.285 120.667 126.208 1.00 29.00 ATOM 107 CA PHE C 80 149.005 120.219 124.846 1.00 29.00 ATOM 108 C PHE C 80 149.516 121.222 123.820 1.00 29.00 ATOM 109 O PHE C 80 150.102 120.838 122.799 1.00 29.00 ATOM 110 CB PHE C 80 147.508 119.989 124.660 1.00 29.00 ATOM 111 CG PHE C 80 147.135 119.563 123.273 1.00 29.00 ATOM 112 CD1 PHE C 80 147.760 118.482 122.679 1.00 29.00 ATOM 113 CD2 PHE C 80 146.165 120.243 122.562 1.00 29.00 ATOM 114 CE1 PHE C 80 147.421 118.085 121.404 1.00 29.00 ATOM 115 CE2 PHE C 80 145.822 119.850 121.286 1.00 29.00 ATOM 116 CZ PHE C 80 146.451 118.769 120.707 1.00 29.00 ATOM 117 N ILE C 81 149.300 122.513 124.074 1.00 27.46 ATOM 118 CA ILE C 81 149.789 123.549 123.165 1.00 27.46 ATOM 119 C ILE C 81 151.310 123.495 123.072 1.00 27.46 ATOM 120 O ILE C 81 151.895 123.550 121.980 1.00 27.46 ATOM 121 CB ILE C 81 149.297 124.929 123.633 1.00 27.46 ATOM 122 CG1 ILE C 81 147.874 125.183 123.138 1.00 27.46 ATOM 123 CG2 ILE C 81 150.250 126.027 123.190 1.00 27.46 ATOM 124 CD1 ILE C 81 147.134 126.222 123.943 1.00 27.46 ATOM 125 N ALA C 82 151.972 123.374 124.225 1.00 28.82 ATOM 126 CA ALA C 82 153.427 123.290 124.242 1.00 28.82 ATOM 127 C ALA C 82 153.912 122.035 123.536 1.00 28.82 ATOM 128 O ALA C 82 154.933 122.063 122.845 1.00 28.82 ATOM 129 CB ALA C 82 153.939 123.329 125.680 1.00 28.82 ATOM 130 N SER C 83 153.200 120.920 123.702 1.00 29.05 ATOM 131 CA SER C 83 153.586 119.687 123.028 1.00 29.05 ATOM 132 C SER C 83 153.465 119.827 121.520 1.00 29.05 ATOM 133 O SER C 83 154.299 119.306 120.776 1.00 29.05 ATOM 134 CB SER C 83 152.734 118.523 123.528 1.00 29.05 ATOM 135 OG SER C 83 151.392 118.664 123.103 1.00 29.05 ATOM 136 N VAL C 84 152.430 120.522 121.046 1.00 28.72 ATOM 137 CA VAL C 84 152.309 120.752 119.608 1.00 28.72 ATOM 138 C VAL C 84 153.458 121.622 119.107 1.00 28.72 ATOM 139 O VAL C 84 154.039 121.355 118.046 1.00 28.72 ATOM 140 CB VAL C 84 150.938 121.363 119.272 1.00 28.72 ATOM 141 CG1 VAL C 84 150.915 121.841 117.837 1.00 28.72 ATOM 142 CG2 VAL C 84 149.842 120.343 119.499 1.00 28.72 ATOM 143 N PHE C 85 153.813 122.669 119.860 1.00 30.86 ATOM 144 CA PHE C 85 154.967 123.482 119.472 1.00 30.86 ATOM 145 C PHE C 85 156.254 122.665 119.432 1.00 30.86 ATOM 146 O PHE C 85 157.047 122.793 118.493 1.00 30.86 ATOM 147 CB PHE C 85 155.136 124.691 120.394 1.00 30.86 ATOM 148 CG PHE C 85 154.067 125.729 120.244 1.00 30.86 ATOM 149 CD1 PHE C 85 153.222 125.721 119.150 1.00 30.86 ATOM 150 CD2 PHE C 85 153.941 126.743 121.173 1.00 30.86 ATOM 151 CE1 PHE C 85 152.256 126.691 119.000 1.00 30.86 ATOM 152 CE2 PHE C 85 152.974 127.714 121.031 1.00 30.86 ATOM 153 CZ PHE C 85 152.132 127.690 119.943 1.00 30.86 ATOM 154 N MET C 86 156.494 121.830 120.444 1.00 35.60 ATOM 155 CA MET C 86 157.715 121.028 120.427 1.00 35.60 ATOM 156 C MET C 86 157.688 119.980 119.324 1.00 35.60 ATOM 157 O MET C 86 158.737 119.652 118.765 1.00 35.60 ATOM 158 CB MET C 86 157.968 120.367 121.782 1.00 35.60 ATOM 159 CG MET C 86 157.787 121.277 122.979 1.00 35.60 ATOM 160 SD MET C 86 158.990 122.619 123.022 1.00 35.60 ATOM 161 CE MET C 86 160.524 121.708 122.862 1.00 35.60 ATOM 162 N LEU C 87 156.511 119.452 118.987 1.00 33.57 ATOM 163 CA LEU C 87 156.408 118.530 117.862 1.00 33.57 ATOM 164 C LEU C 87 156.781 119.224 116.560 1.00 33.57 ATOM 165 O LEU C 87 157.550 118.688 115.751 1.00 33.57 ATOM 166 CB LEU C 87 154.991 117.962 117.790 1.00 33.57 ATOM 167 CG LEU C 87 154.747 116.844 116.784 1.00 33.57 ATOM 168 CD1 LEU C 87 155.695 115.692 117.048 1.00 33.57 ATOM 169 CD2 LEU C 87 153.306 116.381 116.871 1.00 33.57 ATOM 170 N HIS C 88 156.260 120.435 116.352 1.00 33.12 ATOM 171 CA HIS C 88 156.611 121.192 115.155 1.00 33.12 ATOM 172 C HIS C 88 158.099 121.512 115.124 1.00 33.12 ATOM 173 O HIS C 88 158.739 121.422 114.072 1.00 33.12 ATOM 174 CB HIS C 88 155.795 122.479 115.086 1.00 33.12 ATOM 175 CG HIS C 88 154.453 122.316 114.446 1.00 33.12 ATOM 176 ND1 HIS C 88 153.304 122.098 115.173 1.00 33.12 ATOM 177 CD2 HIS C 88 154.077 122.343 113.146 1.00 33.12 ATOM 178 CE1 HIS C 88 152.278 121.995 114.349 1.00 33.12 ATOM 179 NE2 HIS C 88 152.719 122.140 113.113 1.00 33.12 ATOM 180 N ILE C 89 158.664 121.893 116.271 1.00 39.34 ATOM 181 CA ILE C 89 160.078 122.250 116.328 1.00 39.34 ATOM 182 C ILE C 89 160.951 121.036 116.036 1.00 39.34 ATOM 183 O ILE C 89 161.943 121.129 115.302 1.00 39.34 ATOM 184 CB ILE C 89 160.411 122.881 117.692 1.00 39.34 ATOM 185 CG1 ILE C 89 159.841 124.298 117.768 1.00 39.34 ATOM 186 CG2 ILE C 89 161.910 122.895 117.926 1.00 39.34 ATOM 187 CD1 ILE C 89 160.089 124.986 119.087 1.00 39.34 ATOM 188 N TRP C 90 160.601 119.881 116.605 1.00 45.58 ATOM 189 CA TRP C 90 161.358 118.666 116.333 1.00 45.58 ATOM 190 C TRP C 90 161.257 118.271 114.868 1.00 45.58 ATOM 191 O TRP C 90 162.247 117.839 114.268 1.00 45.58 ATOM 192 CB TRP C 90 160.874 117.526 117.224 1.00 45.58 ATOM 193 CG TRP C 90 161.632 116.258 117.003 1.00 45.58 ATOM 194 CD1 TRP C 90 162.955 116.041 117.251 1.00 45.58 ATOM 195 CD2 TRP C 90 161.115 115.030 116.480 1.00 45.58 ATOM 196 NE1 TRP C 90 163.294 114.752 116.918 1.00 45.58 ATOM 197 CE2 TRP C 90 162.181 114.111 116.442 1.00 45.58 ATOM 198 CE3 TRP C 90 159.853 114.619 116.041 1.00 45.58 ATOM 199 CZ2 TRP C 90 162.024 112.805 115.984 1.00 45.58 ATOM 200 CZ3 TRP C 90 159.700 113.322 115.586 1.00 45.58 ATOM 201 CH2 TRP C 90 160.779 112.431 115.561 1.00 45.58 ATOM 202 N GLY C 91 160.068 118.401 114.275 1.00 44.96 ATOM 203 CA GLY C 91 159.940 118.133 112.852 1.00 44.96 ATOM 204 C GLY C 91 160.795 119.060 112.010 1.00 44.96 ATOM 205 O GLY C 91 161.445 118.627 111.055 1.00 44.96 ATOM 206 N LYS C 92 160.814 120.348 112.362 1.00 45.69 ATOM 207 CA LYS C 92 161.632 121.311 111.634 1.00 45.69 ATOM 208 C LYS C 92 163.113 120.977 111.746 1.00 45.69 ATOM 209 O LYS C 92 163.852 121.052 110.757 1.00 45.69 ATOM 210 CB LYS C 92 161.361 122.722 112.155 1.00 45.69 ATOM 211 CG LYS C 92 161.682 123.826 111.167 1.00 45.69 ATOM 212 CD LYS C 92 161.558 125.194 111.812 1.00 45.69 ATOM 213 CE LYS C 92 161.547 126.293 110.765 1.00 45.69 ATOM 214 NZ LYS C 92 160.590 125.994 109.666 1.00 45.69 ATOM 215 N TYR C 93 163.568 120.610 112.945 1.00 48.76 ATOM 216 CA TYR C 93 164.985 120.314 113.132 1.00 48.76 ATOM 217 C TYR C 93 165.376 119.014 112.439 1.00 48.76 ATOM 218 O TYR C 93 166.462 118.920 111.855 1.00 48.76 ATOM 219 CB TYR C 93 165.320 120.255 114.622 1.00 48.76 ATOM 220 CG TYR C 93 165.469 121.614 115.271 1.00 48.76 ATOM 221 CD1 TYR C 93 165.142 122.775 114.582 1.00 48.76 ATOM 222 CD2 TYR C 93 165.934 121.735 116.573 1.00 48.76 ATOM 223 CE1 TYR C 93 165.275 124.017 115.170 1.00 48.76 ATOM 224 CE2 TYR C 93 166.070 122.974 117.170 1.00 48.76 ATOM 225 CZ TYR C 93 165.739 124.111 116.464 1.00 48.76 ATOM 226 OH TYR C 93 165.873 125.348 117.053 1.00 48.76 ATOM 227 N THR C 94 164.510 118.000 112.494 1.00 50.84 ATOM 228 CA THR C 94 164.802 116.737 111.825 1.00 50.84 ATOM 229 C THR C 94 164.824 116.907 110.312 1.00 50.84 ATOM 230 O THR C 94 165.679 116.330 109.630 1.00 50.84 ATOM 231 CB THR C 94 163.777 115.679 112.238 1.00 50.84 ATOM 232 OG1 THR C 94 163.959 115.352 113.622 1.00 50.84 ATOM 233 CG2 THR C 94 163.932 114.417 111.403 1.00 50.84 ATOM 234 N ARG C 95 163.896 117.700 109.768 1.00 52.76 ATOM 235 CA ARG C 95 163.897 117.952 108.331 1.00 52.76 ATOM 236 C ARG C 95 165.180 118.648 107.896 1.00 52.76 ATOM 237 O ARG C 95 165.771 118.293 106.869 1.00 52.76 ATOM 238 CB ARG C 95 162.678 118.787 107.944 1.00 52.76 ATOM 239 CG ARG C 95 162.682 119.247 106.497 1.00 52.76 ATOM 240 CD ARG C 95 161.319 119.777 106.082 1.00 52.76 ATOM 241 NE ARG C 95 160.751 120.687 107.070 1.00 52.76 ATOM 242 CZ ARG C 95 161.210 121.904 107.329 1.00 52.76 ATOM 243 NH1 ARG C 95 162.249 122.404 106.681 1.00 52.76 ATOM 244 NH2 ARG C 95 160.605 122.641 108.255 1.00 52.76 ATOM 245 N SER C 96 165.629 119.635 108.664 1.00 55.44 ATOM 246 CA SER C 96 166.854 120.357 108.345 1.00 55.44 ATOM 247 C SER C 96 168.083 119.521 108.684 1.00 55.44 ATOM 248 O SER C 96 169.200 119.841 108.276 1.00 55.44 ATOM 249 CB SER C 96 166.902 121.692 109.092 1.00 55.44 ATOM 250 OG SER C 96 165.776 122.493 108.780 1.00 55.44 ATOM 251 OXT SER C 96 167.990 118.506 109.375 1.00 55.44 TER