HEADER MEMBRANE PROTEIN 31-DEC-69 8B6L TITLE Subtomogram average of the human Sec61-TRAP-OSTA-translocon COMPND MOL_ID: 2; COMPND 2 MOLECULE: Protein transport protein Sec61 subunit beta; COMPND 3 CHAIN: B; EXPDTA ELECTRON MICROSCOPY DBREF 8B6L B 1 96 UNP P60468 SC61B_HUMAN 1 96 SEQRES 1 B 21 PRO VAL PRO VAL LEU VAL MET SER LEU LEU PHE ILE ALA SEQRES 2 B 21 SER VAL PHE MET LEU HIS ILE TRP ATOM 1 N PRO B 70 316.175 294.044 368.158 0.00158.95 ATOM 2 CA PRO B 70 316.866 293.546 366.969 0.00161.98 ATOM 3 C PRO B 70 316.002 292.607 366.125 0.00154.78 ATOM 4 O PRO B 70 315.565 292.975 365.035 0.00157.80 ATOM 5 CB PRO B 70 318.080 292.812 367.560 1.00156.24 ATOM 6 CG PRO B 70 318.226 293.347 368.996 1.00155.70 ATOM 7 CD PRO B 70 317.141 294.363 369.221 0.00156.64 ATOM 8 N VAL B 71 315.762 291.405 366.640 1.00101.09 ATOM 9 CA VAL B 71 315.274 290.278 365.848 1.00102.50 ATOM 10 C VAL B 71 313.805 290.381 365.439 1.00 98.32 ATOM 11 O VAL B 71 313.417 289.710 364.475 1.00 98.89 ATOM 12 CB VAL B 71 315.501 288.955 366.599 1.00104.92 ATOM 13 CG1 VAL B 71 316.987 288.722 366.832 0.00106.60 ATOM 14 CG2 VAL B 71 314.737 288.940 367.919 1.00100.05 ATOM 15 N PRO B 72 312.941 291.184 366.104 1.00303.88 ATOM 16 CA PRO B 72 311.531 291.237 365.677 1.00299.64 ATOM 17 C PRO B 72 311.293 291.346 364.175 1.00301.22 ATOM 18 O PRO B 72 310.317 290.785 363.664 1.00297.46 ATOM 19 CB PRO B 72 311.009 292.478 366.407 1.00301.17 ATOM 20 CG PRO B 72 311.757 292.463 367.677 1.00302.65 ATOM 21 CD PRO B 72 313.146 292.004 367.315 1.00294.49 ATOM 22 N VAL B 73 312.157 292.061 363.455 0.00 96.99 ATOM 23 CA VAL B 73 312.010 292.143 362.002 0.00 90.84 ATOM 24 C VAL B 73 312.095 290.755 361.375 1.00 90.78 ATOM 25 O VAL B 73 311.240 290.362 360.573 0.00 89.20 ATOM 26 CB VAL B 73 313.066 293.092 361.402 0.00 88.10 ATOM 27 CG1 VAL B 73 314.480 292.689 361.826 1.00 94.69 ATOM 28 CG2 VAL B 73 312.951 293.135 359.882 0.00 90.02 ATOM 29 N LEU B 74 313.103 289.973 361.771 1.00 40.68 ATOM 30 CA LEU B 74 313.245 288.613 361.259 1.00 37.87 ATOM 31 C LEU B 74 312.212 287.664 361.843 1.00 34.23 ATOM 32 O LEU B 74 311.901 286.644 361.221 0.00 39.09 ATOM 33 CB LEU B 74 314.654 288.093 361.553 0.00 40.37 ATOM 34 CG LEU B 74 315.809 289.032 361.190 1.00 38.88 ATOM 35 CD1 LEU B 74 317.144 288.411 361.565 0.00 43.18 ATOM 36 CD2 LEU B 74 315.788 289.383 359.708 1.00 39.60 ATOM 37 N VAL B 75 311.677 287.978 363.020 1.00 51.25 ATOM 38 CA VAL B 75 310.560 287.213 363.561 1.00 52.52 ATOM 39 C VAL B 75 309.363 287.333 362.629 0.00 48.50 ATOM 40 O VAL B 75 308.841 286.337 362.119 0.00 47.71 ATOM 41 CB VAL B 75 310.221 287.691 364.986 0.00 53.97 ATOM 42 CG1 VAL B 75 308.991 286.970 365.530 0.00 49.29 ATOM 43 CG2 VAL B 75 311.411 287.492 365.916 1.00 54.66 ATOM 44 N MET B 76 308.916 288.568 362.392 0.00 81.54 ATOM 45 CA MET B 76 307.621 288.779 361.758 1.00 75.83 ATOM 46 C MET B 76 307.679 288.696 360.234 1.00 81.98 ATOM 47 O MET B 76 306.691 288.286 359.613 1.00 79.07 ATOM 48 CB MET B 76 307.050 290.133 362.180 1.00 81.07 ATOM 49 CG MET B 76 306.414 290.142 363.563 1.00 84.66 ATOM 50 SD MET B 76 304.815 289.315 363.605 1.00 79.38 ATOM 51 CE MET B 76 305.262 287.722 364.296 0.00 84.89 ATOM 52 N SER B 77 308.799 289.067 359.606 0.00 32.82 ATOM 53 CA SER B 77 308.870 289.093 358.147 0.00 39.71 ATOM 54 C SER B 77 309.314 287.755 357.561 0.00 39.70 ATOM 55 O SER B 77 308.657 287.219 356.659 0.00 41.39 ATOM 56 CB SER B 77 309.822 290.202 357.692 0.00 39.27 ATOM 57 OG SER B 77 309.927 290.236 356.280 0.00 33.40 ATOM 58 N LEU B 78 310.401 287.199 358.104 0.00 9.06 ATOM 59 CA LEU B 78 311.172 286.174 357.407 1.00 9.20 ATOM 60 C LEU B 78 310.332 284.940 357.102 0.00 12.09 ATOM 61 O LEU B 78 310.286 284.477 355.956 1.00 4.91 ATOM 62 CB LEU B 78 312.392 285.791 358.251 1.00 6.46 ATOM 63 CG LEU B 78 313.561 285.099 357.543 0.00 9.53 ATOM 64 CD1 LEU B 78 314.176 285.988 356.471 1.00 13.37 ATOM 65 CD2 LEU B 78 314.618 284.662 358.551 0.00 9.28 ATOM 66 N LEU B 79 309.690 284.367 358.122 0.00 0.32 ATOM 67 CA LEU B 79 308.838 283.204 357.893 0.00 0.95 ATOM 68 C LEU B 79 307.750 283.477 356.861 0.00 2.13 ATOM 69 O LEU B 79 307.437 282.604 356.056 0.00 7.00 ATOM 70 CB LEU B 79 308.223 282.717 359.207 0.00 5.47 ATOM 71 CG LEU B 79 309.180 282.139 360.258 1.00 0.00 ATOM 72 CD1 LEU B 79 308.397 281.584 361.440 1.00 0.59 ATOM 73 CD2 LEU B 79 310.086 281.054 359.674 1.00 9.55 ATOM 74 N PHE B 80 307.115 284.648 356.906 0.00 23.49 ATOM 75 CA PHE B 80 306.046 284.956 355.951 0.00 16.77 ATOM 76 C PHE B 80 306.562 285.016 354.511 0.00 15.39 ATOM 77 O PHE B 80 306.043 284.341 353.604 0.00 15.90 ATOM 78 CB PHE B 80 305.380 286.276 356.343 1.00 20.07 ATOM 79 CG PHE B 80 304.337 286.747 355.369 1.00 21.27 ATOM 80 CD1 PHE B 80 303.059 286.217 355.398 0.00 20.89 ATOM 81 CD2 PHE B 80 304.626 287.731 354.439 1.00 18.38 ATOM 82 CE1 PHE B 80 302.096 286.649 354.511 0.00 25.09 ATOM 83 CE2 PHE B 80 303.663 288.167 353.552 1.00 21.00 ATOM 84 CZ PHE B 80 302.398 287.626 353.589 0.00 19.00 ATOM 85 N ILE B 81 307.587 285.834 354.278 0.00 1.96 ATOM 86 CA ILE B 81 308.160 285.915 352.938 1.00 3.90 ATOM 87 C ILE B 81 308.649 284.547 352.471 1.00 9.34 ATOM 88 O ILE B 81 308.558 284.218 351.282 1.00 3.23 ATOM 89 CB ILE B 81 309.269 286.988 352.891 0.00 7.69 ATOM 90 CG1 ILE B 81 310.535 286.521 353.606 1.00 6.54 ATOM 91 CG2 ILE B 81 308.775 288.298 353.493 0.00 10.54 ATOM 92 CD1 ILE B 81 311.579 287.608 353.729 0.00 3.92 ATOM 93 N ALA B 82 309.180 283.729 353.381 1.00 7.92 ATOM 94 CA ALA B 82 309.435 282.327 353.053 1.00 5.18 ATOM 95 C ALA B 82 308.156 281.554 352.719 0.00 2.67 ATOM 96 O ALA B 82 308.139 280.751 351.779 0.00 3.63 ATOM 97 CB ALA B 82 310.167 281.656 354.212 1.00 4.81 ATOM 98 N SER B 83 307.079 281.785 353.471 0.00 2.05 ATOM 99 CA SER B 83 305.768 281.189 353.220 0.00 1.57 ATOM 100 C SER B 83 305.181 281.617 351.889 0.00 1.66 ATOM 101 O SER B 83 304.086 281.191 351.512 1.00 5.36 ATOM 102 CB SER B 83 304.801 281.565 354.344 1.00 0.52 ATOM 103 OG SER B 83 305.352 281.275 355.616 1.00 9.79 ATOM 104 N VAL B 84 305.913 282.460 351.171 0.00 30.65 ATOM 105 CA VAL B 84 305.583 282.654 349.758 1.00 26.00 ATOM 106 C VAL B 84 305.683 281.326 349.007 0.00 31.95 ATOM 107 O VAL B 84 304.933 281.083 348.052 1.00 28.37 ATOM 108 CB VAL B 84 306.496 283.728 349.129 1.00 31.34 ATOM 109 CG1 VAL B 84 306.284 283.808 347.618 1.00 31.00 ATOM 110 CG2 VAL B 84 306.232 285.083 349.760 1.00 31.61 ATOM 111 N PHE B 85 306.618 280.457 349.410 0.00 23.36 ATOM 112 CA PHE B 85 307.013 279.324 348.573 0.00 18.44 ATOM 113 C PHE B 85 305.834 278.413 348.237 1.00 24.21 ATOM 114 O PHE B 85 305.767 277.859 347.133 1.00 21.06 ATOM 115 CB PHE B 85 308.109 278.512 349.270 1.00 17.13 ATOM 116 CG PHE B 85 309.344 279.303 349.616 1.00 23.16 ATOM 117 CD1 PHE B 85 309.592 280.537 349.036 1.00 21.41 ATOM 118 CD2 PHE B 85 310.252 278.813 350.540 1.00 15.82 ATOM 119 CE1 PHE B 85 310.723 281.257 349.367 1.00 19.49 ATOM 120 CE2 PHE B 85 311.383 279.531 350.869 1.00 22.08 ATOM 121 CZ PHE B 85 311.618 280.751 350.283 1.00 24.47 ATOM 122 N MET B 86 304.915 278.211 349.184 1.00 53.06 ATOM 123 CA MET B 86 303.814 277.276 348.958 1.00 54.69 ATOM 124 C MET B 86 303.002 277.654 347.724 1.00 55.77 ATOM 125 O MET B 86 302.700 276.802 346.882 1.00 54.74 ATOM 126 CB MET B 86 302.917 277.219 350.198 1.00 54.17 ATOM 127 CG MET B 86 301.743 276.249 350.100 1.00 55.83 ATOM 128 SD MET B 86 302.202 274.515 350.288 0.00 50.42 ATOM 129 CE MET B 86 302.714 274.107 348.620 1.00 53.90 ATOM 130 N LEU B 87 302.627 278.926 347.605 1.00121.69 ATOM 131 CA LEU B 87 301.937 279.378 346.405 1.00123.97 ATOM 132 C LEU B 87 302.886 279.628 345.242 1.00123.14 ATOM 133 O LEU B 87 302.439 279.635 344.091 1.00127.68 ATOM 134 CB LEU B 87 301.127 280.642 346.699 1.00128.50 ATOM 135 CG LEU B 87 299.725 280.365 347.248 0.00128.74 ATOM 136 CD1 LEU B 87 299.787 279.482 348.483 0.00126.33 ATOM 137 CD2 LEU B 87 298.985 281.660 347.542 0.00122.41 ATOM 138 N HIS B 88 304.176 279.830 345.510 1.00116.72 ATOM 139 CA HIS B 88 305.151 279.810 344.423 0.00119.81 ATOM 140 C HIS B 88 305.081 278.498 343.651 0.00116.83 ATOM 141 O HIS B 88 305.032 278.494 342.415 0.00125.86 ATOM 142 CB HIS B 88 306.560 280.033 344.971 0.00117.85 ATOM 143 CG HIS B 88 307.615 280.061 343.911 0.00124.15 ATOM 144 ND1 HIS B 88 307.784 281.128 343.055 0.00124.78 ATOM 145 CD2 HIS B 88 308.552 279.148 343.563 1.00122.92 ATOM 146 CE1 HIS B 88 308.782 280.873 342.229 1.00121.73 ATOM 147 NE2 HIS B 88 309.267 279.679 342.516 1.00117.64 ATOM 148 N ILE B 89 305.073 277.370 344.363 0.00138.55 ATOM 149 CA ILE B 89 304.957 276.078 343.694 1.00137.09 ATOM 150 C ILE B 89 303.502 275.765 343.359 1.00137.91 ATOM 151 O ILE B 89 303.201 275.274 342.265 1.00140.97 ATOM 152 CB ILE B 89 305.595 274.967 344.548 1.00143.26 ATOM 153 CG1 ILE B 89 305.686 273.667 343.745 1.00138.06 ATOM 154 CG2 ILE B 89 304.811 274.741 345.831 1.00138.46 ATOM 155 CD1 ILE B 89 306.572 272.621 344.379 1.00144.50 ATOM 156 N TRP B 90 302.583 276.043 344.279 1.00 60.15 ATOM 157 CA TRP B 90 301.158 276.015 343.962 1.00 54.86 ATOM 158 C TRP B 90 300.692 277.373 343.449 1.00 57.83 ATOM 159 O TRP B 90 299.895 278.052 344.095 1.00 60.49 ATOM 160 CB TRP B 90 300.336 275.608 345.187 0.00 52.86 ATOM 161 CG TRP B 90 298.915 275.252 344.856 0.00 55.88 ATOM 162 CD1 TRP B 90 298.486 274.173 344.137 0.00 61.36 ATOM 163 CD2 TRP B 90 297.736 275.976 345.230 0.00 61.08 ATOM 164 NE1 TRP B 90 297.117 274.180 344.044 1.00 58.02 ATOM 165 CE2 TRP B 90 296.632 275.278 344.703 1.00 61.30 ATOM 166 CE3 TRP B 90 297.507 277.148 345.958 0.00 62.13 ATOM 167 CZ2 TRP B 90 295.319 275.709 344.881 1.00 60.90 ATOM 168 CZ3 TRP B 90 296.204 277.576 346.135 1.00 61.18 ATOM 169 CH2 TRP B 90 295.126 276.858 345.597 1.00 53.62 TER