HEADER SPLICING 31-DEC-69 5ZWM TITLE Cryo-EM structure of the yeast pre-B complex at an average resolution TITLE 2 of 3.4~4.6 angstrom (tri-snRNP and U2 snRNP Part) COMPND MOL_ID: 9; COMPND 2 MOLECULE: U6 snRNA-associated Sm-like protein LSm8; COMPND 3 CHAIN: z; EXPDTA ELECTRON MICROSCOPY DBREF 5ZWM z 1 109 UNP P47093 LSM8_YEAST 1 109 SEQRES 1 z 65 ALA THR LEU LYS ASP TYR LEU ASN LYS ARG VAL VAL ILE SEQRES 2 z 65 ILE LYS VAL ASP GLY GLU CYS LEU ILE ALA SER LEU ASN SEQRES 3 z 65 GLY PHE ASP LYS ASN THR ASN LEU PHE ILE THR ASN VAL SEQRES 4 z 65 PHE ASN ARG ILE SER LYS GLU PHE ILE CYS LYS ALA GLN SEQRES 5 z 65 LEU LEU ARG GLY SER GLU ILE ALA LEU VAL GLY LEU ILE ATOM 1 N ALA z 3 299.539 307.602 376.580 1.00 89.52 ATOM 2 CA ALA z 3 298.803 308.687 377.235 1.00 88.53 ATOM 3 C ALA z 3 299.501 309.061 378.535 1.00 88.28 ATOM 4 O ALA z 3 299.788 308.194 379.373 1.00 88.60 ATOM 5 N THR z 4 299.785 310.349 378.701 1.00 84.72 ATOM 6 CA THR z 4 300.513 310.832 379.870 1.00 85.42 ATOM 7 C THR z 4 300.265 312.311 380.170 1.00 84.90 ATOM 8 O THR z 4 300.011 313.117 379.264 1.00 84.25 ATOM 9 N LEU z 5 300.372 312.657 381.450 1.00 55.42 ATOM 10 CA LEU z 5 300.164 314.013 381.921 1.00 54.91 ATOM 11 C LEU z 5 301.499 314.724 381.921 1.00 56.95 ATOM 12 O LEU z 5 301.656 315.714 382.628 1.00 57.23 ATOM 13 N LYS z 6 302.491 314.159 381.233 1.00 74.65 ATOM 14 CA LYS z 6 303.821 314.748 381.229 1.00 77.01 ATOM 15 C LYS z 6 303.851 316.143 380.650 1.00 75.99 ATOM 16 O LYS z 6 304.484 317.020 381.206 1.00 77.28 ATOM 17 N ASP z 7 303.100 316.365 379.574 1.00 99.81 ATOM 18 CA ASP z 7 303.140 317.663 378.901 1.00 99.06 ATOM 19 C ASP z 7 302.508 318.765 379.738 1.00 98.14 ATOM 20 O ASP z 7 302.535 319.925 379.340 1.00 97.83 ATOM 21 N TYR z 8 301.872 318.410 380.853 1.00 64.64 ATOM 22 CA TYR z 8 301.165 319.419 381.637 1.00 63.52 ATOM 23 C TYR z 8 301.945 319.920 382.831 1.00 65.18 ATOM 24 O TYR z 8 301.529 320.883 383.472 1.00 64.48 ATOM 25 N LEU z 9 303.070 319.275 383.129 1.00 72.05 ATOM 26 CA LEU z 9 303.808 319.605 384.347 1.00 74.56 ATOM 27 C LEU z 9 304.120 321.076 384.426 1.00 74.29 ATOM 28 O LEU z 9 304.507 321.700 383.417 1.00 73.94 ATOM 29 N ASN z 10 303.852 321.624 385.612 1.00 80.93 ATOM 30 CA ASN z 10 304.140 323.012 385.954 1.00 81.09 ATOM 31 C ASN z 10 303.241 324.002 385.222 1.00 78.72 ATOM 32 O ASN z 10 303.373 325.217 385.399 1.00 79.19 ATOM 33 N LYS z 11 302.325 323.496 384.406 1.00 90.79 ATOM 34 CA LYS z 11 301.425 324.390 383.696 1.00 89.46 ATOM 35 C LYS z 11 300.115 324.574 384.466 1.00 88.15 ATOM 36 O LYS z 11 299.814 323.812 385.397 1.00 87.53 ATOM 37 N ARG z 12 299.342 325.593 384.106 1.00 83.42 ATOM 38 CA ARG z 12 298.037 325.740 384.727 1.00 82.84 ATOM 39 C ARG z 12 297.077 324.769 384.071 1.00 81.74 ATOM 40 O ARG z 12 297.155 324.525 382.854 1.00 81.80 ATOM 41 N VAL z 13 296.154 324.252 384.884 1.00 59.47 ATOM 42 CA VAL z 13 295.180 323.275 384.443 1.00 58.16 ATOM 43 C VAL z 13 293.814 323.531 385.054 1.00 58.79 ATOM 44 O VAL z 13 293.678 324.146 386.135 1.00 59.40 ATOM 45 N VAL z 14 292.809 323.123 384.283 1.00 63.95 ATOM 46 CA VAL z 14 291.445 322.982 384.732 1.00 65.90 ATOM 47 C VAL z 14 291.307 321.529 385.138 1.00 64.47 ATOM 48 O VAL z 14 291.785 320.644 384.430 1.00 63.09 ATOM 49 N ILE z 15 290.642 321.281 386.257 1.00 50.75 ATOM 50 CA ILE z 15 290.362 319.931 386.672 1.00 48.75 ATOM 51 C ILE z 15 288.872 319.845 386.894 1.00 51.51 ATOM 52 O ILE z 15 288.290 320.694 387.590 1.00 53.78 ATOM 53 N ILE z 16 288.251 318.826 386.305 1.00 58.18 ATOM 54 CA ILE z 16 286.864 318.559 386.593 1.00 63.24 ATOM 55 C ILE z 16 286.896 317.291 387.393 1.00 61.68 ATOM 56 O ILE z 16 287.421 316.268 386.952 1.00 58.07 ATOM 57 N LYS z 17 286.306 317.378 388.574 1.00 63.59 ATOM 58 CA LYS z 17 286.148 316.265 389.479 1.00 60.51 ATOM 59 C LYS z 17 284.977 315.429 389.046 1.00 62.09 ATOM 60 O LYS z 17 284.216 315.834 388.186 1.00 66.13 ATOM 61 N VAL z 18 284.855 314.240 389.597 1.00 68.95 ATOM 62 CA VAL z 18 283.753 313.405 389.219 1.00 70.36 ATOM 63 C VAL z 18 282.407 313.974 389.712 1.00 74.04 ATOM 64 O VAL z 18 281.359 313.716 389.098 1.00 76.28 ATOM 65 N ASP z 19 282.410 314.758 390.793 1.00102.79 ATOM 66 CA ASP z 19 281.139 315.304 391.295 1.00105.91 ATOM 67 C ASP z 19 280.774 316.573 390.536 1.00109.90 ATOM 68 O ASP z 19 279.846 317.293 390.916 1.00112.34 ATOM 69 N GLY z 20 281.502 316.841 389.461 1.00 92.89 ATOM 70 CA GLY z 20 281.199 317.981 388.623 1.00 96.39 ATOM 71 C GLY z 20 281.784 319.270 389.182 1.00 96.46 ATOM 72 O GLY z 20 281.555 320.347 388.629 1.00 98.07 ATOM 73 N GLU z 21 282.540 319.164 390.272 1.00 97.38 ATOM 74 CA GLU z 21 283.201 320.326 390.850 1.00 95.96 ATOM 75 C GLU z 21 284.385 320.710 389.974 1.00 93.89 ATOM 76 O GLU z 21 284.951 319.877 389.267 1.00 92.79 ATOM 77 N CYS z 22 284.754 321.986 390.026 1.00116.88 ATOM 78 CA CYS z 22 285.801 322.513 389.162 1.00114.61 ATOM 79 C CYS z 22 286.935 323.202 389.916 1.00111.46 ATOM 80 O CYS z 22 286.711 323.978 390.841 1.00112.53 ATOM 81 N LEU z 23 288.155 322.901 389.489 1.00 60.96 ATOM 82 CA LEU z 23 289.390 323.508 390.016 1.00 58.90 ATOM 83 C LEU z 23 290.262 324.140 388.941 1.00 59.06 ATOM 84 O LEU z 23 290.215 323.750 387.772 1.00 58.74 ATOM 85 N ILE z 24 291.069 325.098 389.386 1.00 70.61 ATOM 86 CA ILE z 24 292.156 325.704 388.622 1.00 69.55 ATOM 87 C ILE z 24 293.434 325.604 389.443 1.00 67.53 ATOM 88 O ILE z 24 293.429 325.959 390.629 1.00 67.92 ATOM 89 N ALA z 25 294.509 325.098 388.850 1.00 78.89 ATOM 90 CA ALA z 25 295.724 324.898 389.646 1.00 78.09 ATOM 91 C ALA z 25 296.979 324.690 388.807 1.00 78.06 ATOM 92 O ALA z 25 296.912 324.532 387.596 1.00 77.98 ATOM 93 N SER z 26 298.141 324.808 389.441 1.00 68.90 ATOM 94 CA SER z 26 299.373 324.437 388.768 1.00 69.80 ATOM 95 C SER z 26 299.673 322.976 389.124 1.00 69.61 ATOM 96 O SER z 26 299.705 322.576 390.304 1.00 69.78 ATOM 97 N LEU z 27 299.827 322.165 388.089 1.00 55.24 ATOM 98 CA LEU z 27 300.107 320.748 388.262 1.00 54.54 ATOM 99 C LEU z 27 301.614 320.534 388.481 1.00 58.43 ATOM 100 O LEU z 27 302.403 320.835 387.615 1.00 59.73 ATOM 101 N ASN z 28 302.013 319.972 389.612 1.00 75.28 ATOM 102 CA ASN z 28 303.435 319.839 389.926 1.00 79.76 ATOM 103 C ASN z 28 303.929 318.408 389.953 1.00 83.40 ATOM 104 O ASN z 28 305.069 318.138 389.629 1.00 86.66 ATOM 105 N GLY z 29 303.098 317.513 390.453 1.00 55.51 ATOM 106 CA GLY z 29 303.394 316.098 390.476 1.00 57.50 ATOM 107 C GLY z 29 302.199 315.239 390.107 1.00 52.95 ATOM 108 O GLY z 29 301.055 315.647 390.315 1.00 48.31 ATOM 109 N PHE z 30 302.459 314.040 389.598 1.00 59.49 ATOM 110 CA PHE z 30 301.402 313.069 389.326 1.00 53.79 ATOM 111 C PHE z 30 301.942 311.648 389.304 1.00 53.56 ATOM 112 O PHE z 30 303.050 311.428 388.837 1.00 57.53 ATOM 113 N ASP z 31 301.150 310.665 389.738 1.00 57.36 ATOM 114 CA ASP z 31 301.597 309.287 389.577 1.00 57.85 ATOM 115 C ASP z 31 300.773 308.480 388.598 1.00 55.35 ATOM 116 O ASP z 31 299.933 309.040 387.912 1.00 53.80 ATOM 117 N LYS z 32 300.990 307.168 388.567 1.00 69.80 ATOM 118 CA LYS z 32 300.342 306.314 387.576 1.00 68.48 ATOM 119 C LYS z 32 298.843 306.130 387.873 1.00 65.39 ATOM 120 O LYS z 32 298.082 305.792 386.971 1.00 64.75 ATOM 121 N ASN z 33 298.429 306.341 389.123 1.00 62.91 ATOM 122 CA ASN z 33 297.027 306.222 389.492 1.00 60.61 ATOM 123 C ASN z 33 296.249 307.550 389.352 1.00 59.36 ATOM 124 O ASN z 33 295.068 307.623 389.733 1.00 57.97 ATOM 125 N THR z 34 296.931 308.564 388.792 1.00 51.92 ATOM 126 CA THR z 34 296.424 309.938 388.598 1.00 51.72 ATOM 127 C THR z 34 296.275 310.806 389.858 1.00 50.24 ATOM 128 O THR z 34 295.570 311.832 389.848 1.00 49.41 ATOM 129 N ASN z 35 296.934 310.381 390.935 1.00 44.90 ATOM 130 CA ASN z 35 297.051 311.154 392.163 1.00 44.74 ATOM 131 C ASN z 35 297.807 312.405 391.749 1.00 46.49 ATOM 132 O ASN z 35 298.806 312.301 391.036 1.00 49.41 ATOM 133 N LEU z 36 297.292 313.587 392.052 1.00 39.67 ATOM 134 CA LEU z 36 297.941 314.822 391.616 1.00 40.15 ATOM 135 C LEU z 36 298.569 315.558 392.768 1.00 41.32 ATOM 136 O LEU z 36 298.060 315.514 393.868 1.00 41.42 ATOM 137 N PHE z 37 299.680 316.233 392.515 1.00 49.06 ATOM 138 CA PHE z 37 300.163 317.236 393.442 1.00 50.52 ATOM 139 C PHE z 37 299.932 318.604 392.814 1.00 50.51 ATOM 140 O PHE z 37 300.350 318.818 391.680 1.00 52.39 ATOM 141 N ILE z 38 299.230 319.496 393.518 1.00 50.00 ATOM 142 CA ILE z 38 298.758 320.756 392.960 1.00 50.33 ATOM 143 C ILE z 38 299.266 321.919 393.785 1.00 52.32 ATOM 144 O ILE z 38 299.468 321.782 395.001 1.00 52.64 ATOM 145 N THR z 39 299.400 323.092 393.161 1.00 65.45 ATOM 146 CA THR z 39 299.771 324.278 393.918 1.00 66.96 ATOM 147 C THR z 39 298.918 325.455 393.455 1.00 66.56 ATOM 148 O THR z 39 298.556 325.565 392.267 1.00 65.95 ATOM 149 N ASN z 40 298.620 326.337 394.398 1.00 82.93 ATOM 150 CA ASN z 40 297.746 327.479 394.155 1.00 83.57 ATOM 151 C ASN z 40 296.451 327.071 393.492 1.00 82.44 ATOM 152 O ASN z 40 296.208 327.370 392.333 1.00 82.73 ATOM 153 N VAL z 41 295.633 326.372 394.259 1.00 71.12 ATOM 154 CA VAL z 41 294.405 325.804 393.768 1.00 70.62 ATOM 155 C VAL z 41 293.290 326.811 394.026 1.00 72.97 ATOM 156 O VAL z 41 293.296 327.526 395.036 1.00 74.12 ATOM 157 N PHE z 42 292.306 326.813 393.137 1.00 82.19 ATOM 158 CA PHE z 42 291.148 327.688 393.204 1.00 85.34 ATOM 159 C PHE z 42 289.915 326.953 392.751 1.00 86.46 ATOM 160 O PHE z 42 290.031 325.938 392.074 1.00 84.88 ATOM 161 N ASN z 43 288.738 327.420 393.170 1.00 95.35 ATOM 162 CA ASN z 43 287.462 326.854 392.719 1.00 97.51 ATOM 163 C ASN z 43 286.971 327.569 391.455 1.00100.17 ATOM 164 O ASN z 43 286.544 328.712 391.546 1.00102.91 ATOM 165 N ARG z 44 287.022 326.898 390.293 1.00126.21 ATOM 166 CA ARG z 44 286.709 327.532 388.999 1.00128.31 ATOM 167 C ARG z 44 285.466 328.384 389.055 1.00132.73 ATOM 168 O ARG z 44 285.465 329.545 388.646 1.00134.70 ATOM 169 N ILE z 45 284.392 327.776 389.534 1.00135.59 ATOM 170 CA ILE z 45 283.125 328.463 389.639 1.00139.82 ATOM 171 C ILE z 45 283.265 329.612 390.625 1.00140.74 ATOM 172 O ILE z 45 282.944 330.761 390.321 1.00143.71 ATOM 173 N SER z 46 283.786 329.291 391.795 1.00123.88 ATOM 174 CA SER z 46 283.809 330.216 392.908 1.00124.72 ATOM 175 C SER z 46 284.934 331.247 392.827 1.00123.94 ATOM 176 O SER z 46 284.865 332.283 393.489 1.00125.81 ATOM 177 N LYS z 47 285.978 330.958 392.050 1.00125.42 ATOM 178 CA LYS z 47 287.183 331.799 392.004 1.00124.19 ATOM 179 C LYS z 47 287.728 332.033 393.414 1.00122.91 ATOM 180 O LYS z 47 288.424 333.006 393.692 1.00123.31 ATOM 181 N GLU z 48 287.426 331.091 394.293 1.00145.82 ATOM 182 CA GLU z 48 287.821 331.165 395.683 1.00144.65 ATOM 183 C GLU z 48 289.085 330.354 395.929 1.00140.65 ATOM 184 O GLU z 48 289.126 329.159 395.636 1.00138.54 ATOM 185 N PHE z 49 290.118 331.007 396.451 1.00111.63 ATOM 186 CA PHE z 49 291.368 330.328 396.752 1.00108.52 ATOM 187 C PHE z 49 291.203 329.206 397.773 1.00106.76 ATOM 188 O PHE z 49 290.720 329.417 398.887 1.00107.76 ATOM 189 N ILE z 50 291.584 328.007 397.346 1.00 88.48 ATOM 190 CA ILE z 50 291.475 326.818 398.165 1.00 86.77 ATOM 191 C ILE z 50 292.774 326.492 398.917 1.00 85.02 ATOM 192 O ILE z 50 292.781 326.420 400.142 1.00 85.09 ATOM 193 N CYS z 51 293.881 326.297 398.213 1.00109.82 ATOM 194 CA CYS z 51 295.115 325.947 398.920 1.00109.08 ATOM 195 C CYS z 51 296.399 326.327 398.195 1.00109.54 ATOM 196 O CYS z 51 296.438 326.380 396.967 1.00109.31 ATOM 197 N LYS z 52 297.457 326.581 398.964 1.00 94.62 ATOM 198 CA LYS z 52 298.751 326.874 398.372 1.00 95.84 ATOM 199 C LYS z 52 299.385 325.576 397.893 1.00 95.02 ATOM 200 O LYS z 52 300.093 325.551 396.887 1.00 95.68 ATOM 201 N ALA z 53 299.080 324.484 398.589 1.00 66.74 ATOM 202 CA ALA z 53 299.528 323.172 398.158 1.00 65.25 ATOM 203 C ALA z 53 298.541 322.106 398.553 1.00 62.90 ATOM 204 O ALA z 53 298.019 322.126 399.654 1.00 62.97 ATOM 205 N GLN z 54 298.287 321.170 397.650 1.00 62.63 ATOM 206 CA GLN z 54 297.254 320.197 397.919 1.00 60.59 ATOM 207 C GLN z 54 297.522 318.905 397.175 1.00 59.73 ATOM 208 O GLN z 54 298.162 318.886 396.134 1.00 60.42 ATOM 209 N LEU z 55 297.058 317.806 397.739 1.00 56.18 ATOM 210 CA LEU z 55 297.272 316.517 397.124 1.00 55.55 ATOM 211 C LEU z 55 295.893 315.980 396.822 1.00 53.92 ATOM 212 O LEU z 55 295.030 316.010 397.686 1.00 54.12 ATOM 213 N LEU z 56 295.664 315.529 395.600 1.00 46.30 ATOM 214 CA LEU z 56 294.317 315.164 395.157 1.00 45.88 ATOM 215 C LEU z 56 294.296 313.749 394.609 1.00 45.11 ATOM 216 O LEU z 56 295.012 313.445 393.660 1.00 44.24 ATOM 217 N ARG z 57 293.455 312.892 395.178 1.00 48.87 ATOM 218 CA ARG z 57 293.376 311.515 394.703 1.00 47.91 ATOM 219 C ARG z 57 292.838 311.380 393.301 1.00 46.27 ATOM 220 O ARG z 57 291.875 312.069 392.929 1.00 46.72 ATOM 221 N GLY z 58 293.364 310.395 392.580 1.00 50.75 ATOM 222 CA GLY z 58 292.985 310.130 391.198 1.00 50.39 ATOM 223 C GLY z 58 291.564 309.622 391.084 1.00 50.63 ATOM 224 O GLY z 58 290.903 309.886 390.110 1.00 51.58 ATOM 225 N SER z 59 291.099 308.881 392.080 1.00 55.32 ATOM 226 CA SER z 59 289.721 308.393 392.126 1.00 56.34 ATOM 227 C SER z 59 288.746 309.566 391.904 1.00 57.94 ATOM 228 O SER z 59 287.617 309.349 391.489 1.00 59.80 ATOM 229 N GLU z 60 289.168 310.772 392.291 1.00 46.39 ATOM 230 CA GLU z 60 288.364 312.011 392.228 1.00 49.16 ATOM 231 C GLU z 60 288.323 312.719 390.887 1.00 50.22 ATOM 232 O GLU z 60 287.444 313.515 390.643 1.00 53.90 ATOM 233 N ILE z 61 289.385 312.556 390.124 1.00 59.65 ATOM 234 CA ILE z 61 289.547 313.169 388.831 1.00 60.80 ATOM 235 C ILE z 61 288.727 312.566 387.692 1.00 63.44 ATOM 236 O ILE z 61 288.570 311.342 387.590 1.00 62.92 ATOM 237 N ALA z 62 288.195 313.435 386.838 1.00 46.74 ATOM 238 CA ALA z 62 287.479 312.941 385.677 1.00 49.39 ATOM 239 C ALA z 62 288.158 313.514 384.445 1.00 50.24 ATOM 240 O ALA z 62 288.409 312.802 383.494 1.00 51.63 ATOM 241 N LEU z 63 288.706 314.701 384.598 1.00 64.29 ATOM 242 CA LEU z 63 289.227 315.421 383.477 1.00 64.85 ATOM 243 C LEU z 63 290.260 316.431 383.889 1.00 61.81 ATOM 244 O LEU z 63 290.060 317.162 384.869 1.00 61.69 ATOM 245 N VAL z 64 291.341 316.508 383.125 1.00 53.64 ATOM 246 CA VAL z 64 292.353 317.533 383.363 1.00 52.06 ATOM 247 C VAL z 64 292.628 318.275 382.044 1.00 53.23 ATOM 248 O VAL z 64 292.948 317.667 381.018 1.00 53.59 ATOM 249 N GLY z 65 292.519 319.597 382.059 1.00 65.51 ATOM 250 CA GLY z 65 292.718 320.315 380.818 1.00 66.50 ATOM 251 C GLY z 65 293.797 321.366 380.858 1.00 65.72 ATOM 252 O GLY z 65 294.003 322.041 381.860 1.00 65.40 ATOM 253 N LEU z 66 294.443 321.557 379.716 1.00 86.40 ATOM 254 CA LEU z 66 295.626 322.372 379.691 1.00 86.13 ATOM 255 C LEU z 66 295.299 323.785 379.297 1.00 87.69 ATOM 256 O LEU z 66 295.101 324.090 378.120 1.00 88.78 ATOM 257 N ILE z 67 295.235 324.646 380.310 1.00 90.08 ATOM 258 CA ILE z 67 294.923 326.051 380.116 1.00 92.08 ATOM 259 C ILE z 67 296.225 326.851 380.160 1.00 92.15 ATOM 260 O ILE z 67 297.129 326.618 379.343 1.00 91.68 TER