HEADER TRANSCRIPTION 23-DEC-15 3JCM TITLE Cryo-EM structure of the spliceosomal U4/U6.U5 tri-snRNP COMPND MOL_ID: 17; COMPND 2 MOLECULE: U6 snRNA-associated Sm-like protein LSm8; COMPND 3 CHAIN: b; EXPDTA ELECTRON MICROSCOPY DBREF 3JCM b 1 109 UNP P47093 LSM8_YEAST 1 109 SEQRES 1 b 65 ALA THR LEU LYS ASP TYR LEU ASN LYS ARG VAL VAL ILE SEQRES 2 b 65 ILE LYS VAL ASP GLY GLU CYS LEU ILE ALA SER LEU ASN SEQRES 3 b 65 GLY PHE ASP LYS ASN THR ASN LEU PHE ILE THR ASN VAL SEQRES 4 b 65 PHE ASN ARG ILE SER LYS GLU PHE ILE CYS LYS ALA GLN SEQRES 5 b 65 LEU LEU ARG GLY SER GLU ILE ALA LEU VAL GLY LEU ILE ATOM 1 N ALA b 3 331.666 184.046 232.411 1.00 89.52 ATOM 2 CA ALA b 3 332.625 182.990 232.072 1.00 88.53 ATOM 3 C ALA b 3 333.674 182.890 233.172 1.00 88.28 ATOM 4 O ALA b 3 334.287 183.894 233.557 1.00 88.60 ATOM 5 N THR b 4 333.873 181.679 233.684 1.00 84.72 ATOM 6 CA THR b 4 334.801 181.456 234.789 1.00 85.42 ATOM 7 C THR b 4 335.313 180.018 234.869 1.00 84.90 ATOM 8 O THR b 4 334.618 179.066 234.486 1.00 84.25 ATOM 9 N LEU b 5 336.524 179.873 235.400 1.00 55.42 ATOM 10 CA LEU b 5 337.172 178.584 235.548 1.00 54.91 ATOM 11 C LEU b 5 336.830 178.037 236.917 1.00 56.95 ATOM 12 O LEU b 5 337.549 177.185 237.424 1.00 57.23 ATOM 13 N LYS b 6 335.813 178.607 237.565 1.00 74.65 ATOM 14 CA LYS b 6 335.456 178.180 238.908 1.00 77.01 ATOM 15 C LYS b 6 335.042 176.728 238.978 1.00 75.99 ATOM 16 O LYS b 6 335.459 176.019 239.874 1.00 77.28 ATOM 17 N ASP b 7 334.282 176.269 237.989 1.00 99.81 ATOM 18 CA ASP b 7 333.765 174.903 238.025 1.00 99.06 ATOM 19 C ASP b 7 334.866 173.868 237.845 1.00 98.14 ATOM 20 O ASP b 7 334.600 172.672 237.929 1.00 97.83 ATOM 21 N TYR b 8 336.081 174.304 237.518 1.00 64.64 ATOM 22 CA TYR b 8 337.143 173.343 237.234 1.00 63.52 ATOM 23 C TYR b 8 338.081 173.112 238.399 1.00 65.18 ATOM 24 O TYR b 8 338.915 172.209 238.341 1.00 64.48 ATOM 25 N LEU b 9 337.947 173.918 239.449 1.00 72.05 ATOM 26 CA LEU b 9 338.903 173.852 240.554 1.00 74.56 ATOM 27 C LEU b 9 339.030 172.453 241.096 1.00 74.29 ATOM 28 O LEU b 9 338.021 171.739 241.259 1.00 73.94 ATOM 29 N ASN b 10 340.290 172.055 241.275 1.00 80.93 ATOM 30 CA ASN b 10 340.666 170.772 241.860 1.00 81.09 ATOM 31 C ASN b 10 340.354 169.591 240.948 1.00 78.72 ATOM 32 O ASN b 10 340.605 168.438 241.310 1.00 79.19 ATOM 33 N LYS b 11 339.817 169.867 239.766 1.00 90.79 ATOM 34 CA LYS b 11 339.518 168.783 238.844 1.00 89.46 ATOM 35 C LYS b 11 340.671 168.563 237.863 1.00 88.15 ATOM 36 O LYS b 11 341.567 169.413 237.736 1.00 87.53 ATOM 37 N ARG b 12 340.674 167.421 237.181 1.00 83.42 ATOM 38 CA ARG b 12 341.682 167.216 236.157 1.00 82.84 ATOM 39 C ARG b 12 341.262 167.968 234.910 1.00 81.74 ATOM 40 O ARG b 12 340.063 168.040 234.588 1.00 81.80 ATOM 41 N VAL b 13 342.267 168.489 234.199 1.00 59.47 ATOM 42 CA VAL b 13 342.051 169.274 233.000 1.00 58.16 ATOM 43 C VAL b 13 343.081 168.954 231.931 1.00 58.79 ATOM 44 O VAL b 13 344.206 168.489 232.215 1.00 59.40 ATOM 45 N VAL b 14 342.623 169.128 230.694 1.00 63.95 ATOM 46 CA VAL b 14 343.457 169.177 229.518 1.00 65.90 ATOM 47 C VAL b 14 343.735 170.647 229.285 1.00 64.47 ATOM 48 O VAL b 14 342.828 171.469 229.393 1.00 63.09 ATOM 49 N ILE b 15 344.973 170.977 228.949 1.00 50.75 ATOM 50 CA ILE b 15 345.315 172.331 228.601 1.00 48.75 ATOM 51 C ILE b 15 345.979 172.278 227.247 1.00 51.51 ATOM 52 O ILE b 15 346.904 171.477 227.032 1.00 53.78 ATOM 53 N ILE b 16 345.512 173.124 226.333 1.00 58.18 ATOM 54 CA ILE b 16 346.188 173.269 225.066 1.00 63.24 ATOM 55 C ILE b 16 346.805 174.635 225.139 1.00 61.68 ATOM 56 O ILE b 16 346.120 175.637 225.350 1.00 58.07 ATOM 57 N LYS b 17 348.113 174.652 224.944 1.00 63.59 ATOM 58 CA LYS b 17 348.904 175.858 224.891 1.00 60.51 ATOM 59 C LYS b 17 348.773 176.483 223.531 1.00 62.09 ATOM 60 O LYS b 17 348.239 175.876 222.623 1.00 66.13 ATOM 61 N VAL b 18 349.211 177.718 223.397 1.00 68.95 ATOM 62 CA VAL b 18 349.111 178.359 222.118 1.00 70.36 ATOM 63 C VAL b 18 350.053 177.717 221.079 1.00 74.04 ATOM 64 O VAL b 18 349.772 177.762 219.872 1.00 76.28 ATOM 65 N ASP b 19 351.154 177.102 221.520 1.00102.79 ATOM 66 CA ASP b 19 352.079 176.492 220.553 1.00105.91 ATOM 67 C ASP b 19 351.605 175.094 220.178 1.00109.90 ATOM 68 O ASP b 19 352.326 174.335 219.525 1.00112.34 ATOM 69 N GLY b 20 350.390 174.759 220.591 1.00 92.89 ATOM 70 CA GLY b 20 349.808 173.483 220.232 1.00 96.39 ATOM 71 C GLY b 20 350.286 172.364 221.144 1.00 96.46 ATOM 72 O GLY b 20 349.946 171.200 220.931 1.00 98.07 ATOM 73 N GLU b 21 351.072 172.711 222.162 1.00 97.38 ATOM 74 CA GLU b 21 351.530 171.726 223.132 1.00 95.96 ATOM 75 C GLU b 21 350.373 171.359 224.051 1.00 93.89 ATOM 76 O GLU b 21 349.446 172.141 224.249 1.00 92.79 ATOM 77 N CYS b 22 350.438 170.154 224.610 1.00116.88 ATOM 78 CA CYS b 22 349.350 169.630 225.423 1.00114.61 ATOM 79 C CYS b 22 349.780 169.192 226.821 1.00111.46 ATOM 80 O CYS b 22 350.804 168.537 227.001 1.00112.53 ATOM 81 N LEU b 23 348.966 169.565 227.801 1.00 60.96 ATOM 82 CA LEU b 23 349.142 169.185 229.213 1.00 58.90 ATOM 83 C LEU b 23 347.920 168.509 229.816 1.00 59.06 ATOM 84 O LEU b 23 346.791 168.718 229.367 1.00 58.74 ATOM 85 N ILE b 24 348.188 167.722 230.854 1.00 70.61 ATOM 86 CA ILE b 24 347.188 167.142 231.748 1.00 69.55 ATOM 87 C ILE b 24 347.556 167.503 233.179 1.00 67.53 ATOM 88 O ILE b 24 348.716 167.326 233.578 1.00 67.92 ATOM 89 N ALA b 25 346.611 168.040 233.943 1.00 78.89 ATOM 90 CA ALA b 25 346.965 168.488 235.291 1.00 78.09 ATOM 91 C ALA b 25 345.761 168.717 236.199 1.00 78.06 ATOM 92 O ALA b 25 344.621 168.690 235.755 1.00 77.98 ATOM 93 N SER b 26 346.010 168.824 237.498 1.00 68.90 ATOM 94 CA SER b 26 344.952 169.232 238.407 1.00 69.80 ATOM 95 C SER b 26 345.047 170.754 238.571 1.00 69.61 ATOM 96 O SER b 26 346.111 171.320 238.889 1.00 69.78 ATOM 97 N LEU b 27 343.937 171.420 238.290 1.00 55.24 ATOM 98 CA LEU b 27 343.869 172.869 238.388 1.00 54.54 ATOM 99 C LEU b 27 343.585 173.283 239.842 1.00 58.43 ATOM 100 O LEU b 27 342.553 172.953 240.377 1.00 59.73 ATOM 101 N ASN b 28 344.473 174.043 240.465 1.00 75.28 ATOM 102 CA ASN b 28 344.314 174.382 241.879 1.00 79.76 ATOM 103 C ASN b 28 344.040 175.848 242.134 1.00 83.40 ATOM 104 O ASN b 28 343.351 176.198 243.072 1.00 86.66 ATOM 105 N GLY b 29 344.679 176.705 241.360 1.00 55.51 ATOM 106 CA GLY b 29 344.465 178.135 241.430 1.00 57.50 ATOM 107 C GLY b 29 344.400 178.790 240.064 1.00 52.95 ATOM 108 O GLY b 29 344.993 178.287 239.108 1.00 48.31 ATOM 109 N PHE b 30 343.716 179.924 239.977 1.00 59.49 ATOM 110 CA PHE b 30 343.688 180.718 238.751 1.00 53.79 ATOM 111 C PHE b 30 343.354 182.173 239.037 1.00 53.56 ATOM 112 O PHE b 30 342.545 182.449 239.912 1.00 57.53 ATOM 113 N ASP b 31 343.910 183.112 238.268 1.00 57.36 ATOM 114 CA ASP b 31 343.479 184.495 238.432 1.00 57.85 ATOM 115 C ASP b 31 342.727 185.054 237.244 1.00 55.35 ATOM 116 O ASP b 31 342.397 184.308 236.334 1.00 53.80 ATOM 117 N LYS b 32 342.496 186.363 237.237 1.00 69.80 ATOM 118 CA LYS b 32 341.674 186.987 236.205 1.00 68.48 ATOM 119 C LYS b 32 342.403 187.039 234.851 1.00 65.39 ATOM 120 O LYS b 32 341.752 187.153 233.817 1.00 64.75 ATOM 121 N ASN b 33 343.734 186.962 234.860 1.00 62.91 ATOM 122 CA ASN b 33 344.506 186.974 233.627 1.00 60.61 ATOM 123 C ASN b 33 344.751 185.560 233.055 1.00 59.36 ATOM 124 O ASN b 33 345.486 185.406 232.063 1.00 57.97 ATOM 125 N THR b 34 344.113 184.559 233.687 1.00 51.92 ATOM 126 CA THR b 34 344.228 183.123 233.363 1.00 51.72 ATOM 127 C THR b 34 345.554 182.434 233.726 1.00 50.24 ATOM 128 O THR b 34 345.869 181.343 233.214 1.00 49.41 ATOM 129 N ASN b 35 346.325 183.083 234.598 1.00 44.90 ATOM 130 CA ASN b 35 347.527 182.513 235.187 1.00 44.74 ATOM 131 C ASN b 35 347.027 181.308 235.971 1.00 46.49 ATOM 132 O ASN b 35 346.032 181.423 236.687 1.00 49.41 ATOM 133 N LEU b 36 347.594 180.133 235.754 1.00 39.67 ATOM 134 CA LEU b 36 347.108 178.930 236.426 1.00 40.15 ATOM 135 C LEU b 36 348.075 178.443 237.469 1.00 41.32 ATOM 136 O LEU b 36 349.269 178.586 237.307 1.00 41.42 ATOM 137 N PHE b 37 347.559 177.870 238.546 1.00 49.06 ATOM 138 CA PHE b 37 348.387 177.073 239.428 1.00 50.52 ATOM 139 C PHE b 37 348.005 175.611 239.235 1.00 50.51 ATOM 140 O PHE b 37 346.826 175.286 239.328 1.00 52.39 ATOM 141 N ILE b 38 348.981 174.757 238.915 1.00 50.00 ATOM 142 CA ILE b 38 348.730 173.384 238.496 1.00 50.33 ATOM 143 C ILE b 38 349.469 172.415 239.398 1.00 52.32 ATOM 144 O ILE b 38 350.542 172.749 239.926 1.00 52.64 ATOM 145 N THR b 39 348.958 171.189 239.519 1.00 65.45 ATOM 146 CA THR b 39 349.678 170.175 240.273 1.00 66.96 ATOM 147 C THR b 39 349.627 168.854 239.512 1.00 66.56 ATOM 148 O THR b 39 348.628 168.533 238.837 1.00 65.95 ATOM 149 N ASN b 40 350.701 168.088 239.642 1.00 82.93 ATOM 150 CA ASN b 40 350.861 166.830 238.920 1.00 83.57 ATOM 151 C ASN b 40 350.594 166.988 237.442 1.00 82.44 ATOM 152 O ASN b 40 349.604 166.501 236.917 1.00 82.73 ATOM 153 N VAL b 41 351.502 167.693 236.788 1.00 71.12 ATOM 154 CA VAL b 41 351.363 168.040 235.397 1.00 70.62 ATOM 155 C VAL b 41 352.057 166.961 234.576 1.00 72.97 ATOM 156 O VAL b 41 353.080 166.404 234.989 1.00 74.12 ATOM 157 N PHE b 42 351.521 166.718 233.387 1.00 82.19 ATOM 158 CA PHE b 42 352.035 165.737 232.448 1.00 85.34 ATOM 159 C PHE b 42 351.916 166.252 231.037 1.00 86.46 ATOM 160 O PHE b 42 351.136 167.165 230.794 1.00 84.88 ATOM 161 N ASN b 43 352.725 165.719 230.123 1.00 95.35 ATOM 162 CA ASN b 43 352.638 166.064 228.700 1.00 97.51 ATOM 163 C ASN b 43 351.668 165.125 227.974 1.00100.17 ATOM 164 O ASN b 43 352.006 163.964 227.772 1.00102.91 ATOM 165 N ARG b 44 350.487 165.623 227.577 1.00126.21 ATOM 166 CA ARG b 44 349.426 164.778 226.998 1.00128.31 ATOM 167 C ARG b 44 349.953 163.806 225.972 1.00132.73 ATOM 168 O ARG b 44 349.685 162.606 226.029 1.00134.70 ATOM 169 N ILE b 45 350.678 164.351 225.007 1.00135.59 ATOM 170 CA ILE b 45 351.242 163.545 223.947 1.00139.82 ATOM 171 C ILE b 45 352.246 162.573 224.542 1.00140.74 ATOM 172 O ILE b 45 352.177 161.363 224.326 1.00143.71 ATOM 173 N SER b 46 353.157 163.118 225.331 1.00123.88 ATOM 174 CA SER b 46 354.296 162.370 225.821 1.00124.72 ATOM 175 C SER b 46 353.975 161.473 227.017 1.00123.94 ATOM 176 O SER b 46 354.727 160.545 227.303 1.00125.81 ATOM 177 N LYS b 47 352.887 161.765 227.728 1.00125.42 ATOM 178 CA LYS b 47 352.553 161.070 228.980 1.00124.19 ATOM 179 C LYS b 47 353.741 161.104 229.945 1.00122.91 ATOM 180 O LYS b 47 353.886 160.267 230.832 1.00123.31 ATOM 181 N GLU b 48 354.569 162.122 229.775 1.00145.82 ATOM 182 CA GLU b 48 355.767 162.295 230.567 1.00144.65 ATOM 183 C GLU b 48 355.523 163.272 231.708 1.00140.65 ATOM 184 O GLU b 48 355.111 164.408 231.478 1.00138.54 ATOM 185 N PHE b 49 355.763 162.823 232.936 1.00111.63 ATOM 186 CA PHE b 49 355.589 163.677 234.102 1.00108.52 ATOM 187 C PHE b 49 356.490 164.907 234.074 1.00106.76 ATOM 188 O PHE b 49 357.715 164.804 233.977 1.00107.76 ATOM 189 N ILE b 50 355.846 166.068 234.126 1.00 88.48 ATOM 190 CA ILE b 50 356.532 167.343 234.082 1.00 86.77 ATOM 191 C ILE b 50 356.805 167.919 235.478 1.00 85.02 ATOM 192 O ILE b 50 357.954 168.167 235.836 1.00 85.09 ATOM 193 N CYS b 51 355.775 168.135 236.287 1.00109.82 ATOM 194 CA CYS b 51 356.024 168.722 237.605 1.00109.08 ATOM 195 C CYS b 51 354.979 168.391 238.663 1.00109.54 ATOM 196 O CYS b 51 353.812 168.165 238.345 1.00109.31 ATOM 197 N LYS b 52 355.402 168.373 239.925 1.00 94.62 ATOM 198 CA LYS b 52 354.469 168.146 241.017 1.00 95.84 ATOM 199 C LYS b 52 353.688 169.426 241.275 1.00 95.02 ATOM 200 O LYS b 52 352.515 169.386 241.644 1.00 95.68 ATOM 201 N ALA b 53 354.329 170.565 241.026 1.00 66.74 ATOM 202 CA ALA b 53 353.648 171.845 241.121 1.00 65.25 ATOM 203 C ALA b 53 354.219 172.835 240.143 1.00 62.90 ATOM 204 O ALA b 53 355.424 172.915 239.977 1.00 62.97 ATOM 205 N GLN b 54 353.349 173.596 239.495 1.00 62.63 ATOM 206 CA GLN b 54 353.827 174.474 238.452 1.00 60.59 ATOM 207 C GLN b 54 352.908 175.668 238.289 1.00 59.73 ATOM 208 O GLN b 54 351.723 175.609 238.584 1.00 60.42 ATOM 209 N LEU b 55 353.472 176.776 237.849 1.00 56.18 ATOM 210 CA LEU b 55 352.693 177.978 237.674 1.00 55.55 ATOM 211 C LEU b 55 352.781 178.306 236.201 1.00 53.92 ATOM 212 O LEU b 55 353.870 178.302 235.646 1.00 54.12 ATOM 213 N LEU b 56 351.652 178.548 235.558 1.00 46.30 ATOM 214 CA LEU b 56 351.616 178.690 234.102 1.00 45.88 ATOM 215 C LEU b 56 350.960 179.999 233.705 1.00 45.11 ATOM 216 O LEU b 56 349.808 180.244 234.053 1.00 44.24 ATOM 217 N ARG b 57 351.670 180.828 232.947 1.00 48.87 ATOM 218 CA ARG b 57 351.106 182.103 232.523 1.00 47.91 ATOM 219 C ARG b 57 349.935 181.972 231.582 1.00 46.27 ATOM 220 O ARG b 57 349.953 181.131 230.669 1.00 46.72 ATOM 221 N GLY b 58 348.989 182.897 231.716 1.00 50.75 ATOM 222 CA GLY b 58 347.775 182.916 230.910 1.00 50.39 ATOM 223 C GLY b 58 348.057 183.237 229.460 1.00 50.63 ATOM 224 O GLY b 58 347.369 182.763 228.589 1.00 51.58 ATOM 225 N SER b 59 349.066 184.055 229.201 1.00 55.32 ATOM 226 CA SER b 59 349.489 184.385 227.841 1.00 56.34 ATOM 227 C SER b 59 349.703 183.088 227.034 1.00 57.94 ATOM 228 O SER b 59 349.639 183.114 225.813 1.00 59.80 ATOM 229 N GLU b 60 350.060 182.006 227.730 1.00 46.39 ATOM 230 CA GLU b 60 350.376 180.689 227.141 1.00 49.16 ATOM 231 C GLU b 60 349.195 179.794 226.817 1.00 50.22 ATOM 232 O GLU b 60 349.320 178.876 226.037 1.00 53.90 ATOM 233 N ILE b 61 348.128 179.965 227.569 1.00 59.65 ATOM 234 CA ILE b 61 346.918 179.196 227.435 1.00 60.80 ATOM 235 C ILE b 61 346.035 179.531 226.235 1.00 63.44 ATOM 236 O ILE b 61 345.862 180.702 225.869 1.00 62.92 ATOM 237 N ALA b 62 345.482 178.494 225.614 1.00 46.74 ATOM 238 CA ALA b 62 344.557 178.730 224.522 1.00 49.39 ATOM 239 C ALA b 62 343.241 178.067 224.887 1.00 50.24 ATOM 240 O ALA b 62 342.191 178.660 224.735 1.00 51.63 ATOM 241 N LEU b 63 343.335 176.985 225.630 1.00 64.29 ATOM 242 CA LEU b 63 342.189 176.176 225.904 1.00 64.85 ATOM 243 C LEU b 63 342.360 175.361 227.152 1.00 61.81 ATOM 244 O LEU b 63 343.422 174.761 227.364 1.00 61.69 ATOM 245 N VAL b 64 341.309 175.297 227.959 1.00 53.64 ATOM 246 CA VAL b 64 341.325 174.440 229.140 1.00 52.06 ATOM 247 C VAL b 64 340.067 173.552 229.125 1.00 53.23 ATOM 248 O VAL b 64 338.937 174.039 229.033 1.00 53.59 ATOM 249 N GLY b 65 340.251 172.242 229.228 1.00 65.51 ATOM 250 CA GLY b 65 339.089 171.381 229.161 1.00 66.50 ATOM 251 C GLY b 65 338.900 170.476 230.351 1.00 65.72 ATOM 252 O GLY b 65 339.852 169.981 230.943 1.00 65.40 ATOM 253 N LEU b 66 337.639 170.198 230.653 1.00 86.40 ATOM 254 CA LEU b 66 337.330 169.528 231.887 1.00 86.13 ATOM 255 C LEU b 66 337.205 168.045 231.678 1.00 87.69 ATOM 256 O LEU b 66 336.185 167.554 231.192 1.00 88.78 ATOM 257 N ILE b 67 338.269 167.338 232.047 1.00 90.08 ATOM 258 CA ILE b 67 338.326 165.893 231.911 1.00 92.08 ATOM 259 C ILE b 67 338.046 165.261 233.273 1.00 92.15 ATOM 260 O ILE b 67 336.968 165.475 233.850 1.00 91.68 TER