HEADER SPLICING 31-DEC-69 5ZWO TITLE Cryo-EM structure of the yeast B complex at average resolution of 3.9 TITLE 2 angstrom COMPND MOL_ID: 9; COMPND 2 MOLECULE: U6 snRNA-associated Sm-like protein LSm8; COMPND 3 CHAIN: z; EXPDTA ELECTRON MICROSCOPY DBREF 5ZWO 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 3 282.359 310.678 373.910 1.00303.17 ATOM 2 CA ALA z 3 281.640 311.150 375.124 1.00305.25 ATOM 3 C ALA z 3 282.645 311.569 376.195 1.00311.31 ATOM 4 O ALA z 3 283.515 310.777 376.565 1.00291.13 ATOM 5 N THR z 4 282.529 312.807 376.668 1.00327.08 ATOM 6 CA THR z 4 283.415 313.330 377.711 1.00333.48 ATOM 7 C THR z 4 282.894 314.629 378.332 1.00345.72 ATOM 8 O THR z 4 282.288 315.459 377.646 1.00341.37 ATOM 9 N LEU z 5 283.163 314.814 379.626 1.00345.57 ATOM 10 CA LEU z 5 282.791 316.031 380.348 1.00344.09 ATOM 11 C LEU z 5 283.961 317.003 380.281 1.00367.55 ATOM 12 O LEU z 5 284.107 317.848 381.165 1.00358.00 ATOM 13 N LYS z 6 284.832 316.841 379.285 1.00383.68 ATOM 14 CA LYS z 6 286.010 317.678 379.155 1.00386.40 ATOM 15 C LYS z 6 285.664 319.151 378.969 1.00401.67 ATOM 16 O LYS z 6 286.268 320.011 379.597 1.00412.63 ATOM 17 N ASP z 7 284.654 319.437 378.150 1.00391.28 ATOM 18 CA ASP z 7 284.282 320.812 377.843 1.00369.02 ATOM 19 C ASP z 7 283.713 321.558 379.054 1.00376.34 ATOM 20 O ASP z 7 283.502 322.772 378.985 1.00358.26 ATOM 21 N TYR z 8 283.445 320.846 380.148 1.00385.33 ATOM 22 CA TYR z 8 282.812 321.472 381.305 1.00374.48 ATOM 23 C TYR z 8 283.787 321.876 382.406 1.00384.52 ATOM 24 O TYR z 8 283.410 322.579 383.347 1.00389.37 ATOM 25 N LEU z 9 285.033 321.424 382.296 1.00392.16 ATOM 26 CA LEU z 9 286.006 321.622 383.371 1.00387.46 ATOM 27 C LEU z 9 286.108 323.078 383.782 1.00383.22 ATOM 28 O LEU z 9 286.143 323.970 382.925 1.00376.55 ATOM 29 N ASN z 10 286.066 323.296 385.097 1.00377.63 ATOM 30 CA ASN z 10 286.216 324.617 385.703 1.00367.17 ATOM 31 C ASN z 10 285.017 325.534 385.462 1.00372.09 ATOM 32 O ASN z 10 285.001 326.673 385.930 1.00348.82 ATOM 33 N LYS z 11 284.010 325.042 384.742 1.00387.46 ATOM 34 CA LYS z 11 282.822 325.841 384.487 1.00388.47 ATOM 35 C LYS z 11 281.741 325.585 385.542 1.00387.17 ATOM 36 O LYS z 11 281.798 324.599 386.275 1.00394.03 ATOM 37 N ARG z 12 280.748 326.465 385.617 1.00374.95 ATOM 38 CA ARG z 12 279.584 326.221 386.465 1.00369.75 ATOM 39 C ARG z 12 278.683 325.191 385.788 1.00379.99 ATOM 40 O ARG z 12 278.536 325.218 384.565 1.00381.69 ATOM 41 N VAL z 13 278.106 324.293 386.587 1.00391.13 ATOM 42 CA VAL z 13 277.262 323.213 386.076 1.00392.04 ATOM 43 C VAL z 13 276.043 322.970 386.958 1.00393.49 ATOM 44 O VAL z 13 276.075 323.237 388.174 1.00396.17 ATOM 45 N VAL z 14 274.969 322.547 386.295 1.00384.10 ATOM 46 CA VAL z 14 273.774 322.033 386.945 1.00368.50 ATOM 47 C VAL z 14 273.925 320.523 386.953 1.00366.68 ATOM 48 O VAL z 14 274.356 319.949 385.963 1.00367.67 ATOM 49 N ILE z 15 273.609 319.890 388.075 1.00365.78 ATOM 50 CA ILE z 15 273.618 318.436 388.172 1.00364.23 ATOM 51 C ILE z 15 272.229 318.009 388.610 1.00373.02 ATOM 52 O ILE z 15 271.710 318.532 389.600 1.00383.12 ATOM 53 N ILE z 16 271.618 317.099 387.856 1.00369.72 ATOM 54 CA ILE z 16 270.349 316.500 388.258 1.00363.22 ATOM 55 C ILE z 16 270.709 315.099 388.691 1.00378.88 ATOM 56 O ILE z 16 271.293 314.335 387.917 1.00386.73 ATOM 57 N LYS z 17 270.390 314.790 389.941 1.00387.88 ATOM 58 CA LYS z 17 270.594 313.474 390.515 1.00398.74 ATOM 59 C LYS z 17 269.501 312.537 390.042 1.00404.59 ATOM 60 O LYS z 17 268.497 312.985 389.505 1.00409.72 ATOM 61 N VAL z 18 269.700 311.239 390.222 1.00394.10 ATOM 62 CA VAL z 18 268.660 310.286 389.881 1.00374.18 ATOM 63 C VAL z 18 267.412 310.436 390.765 1.00374.50 ATOM 64 O VAL z 18 266.298 310.153 390.332 1.00361.54 ATOM 65 N ASP z 19 267.592 310.895 392.004 1.00382.50 ATOM 66 CA ASP z 19 266.471 311.065 392.935 1.00377.08 ATOM 67 C ASP z 19 265.733 312.377 392.667 1.00390.14 ATOM 68 O ASP z 19 264.864 312.784 393.446 1.00372.04 ATOM 69 N GLY z 20 266.100 313.057 391.581 1.00402.13 ATOM 70 CA GLY z 20 265.436 314.289 391.198 1.00387.54 ATOM 71 C GLY z 20 265.951 315.495 391.966 1.00385.24 ATOM 72 O GLY z 20 265.426 316.598 391.803 1.00365.62 ATOM 73 N GLU z 21 266.978 315.299 392.795 1.00389.93 ATOM 74 CA GLU z 21 267.615 316.401 393.509 1.00381.22 ATOM 75 C GLU z 21 268.431 317.248 392.534 1.00381.52 ATOM 76 O GLU z 21 268.899 316.747 391.505 1.00385.78 ATOM 77 N CYS z 22 268.605 318.525 392.856 1.00375.51 ATOM 78 CA CYS z 22 269.349 319.450 391.996 1.00377.22 ATOM 79 C CYS z 22 270.531 320.129 392.698 1.00385.53 ATOM 80 O CYS z 22 270.402 320.608 393.836 1.00384.87 ATOM 81 N LEU z 23 271.670 320.174 392.005 1.00390.39 ATOM 82 CA LEU z 23 272.872 320.883 392.468 1.00389.48 ATOM 83 C LEU z 23 273.405 321.905 391.456 1.00394.64 ATOM 84 O LEU z 23 273.149 321.797 390.246 1.00395.84 ATOM 85 N ILE z 24 274.118 322.901 391.983 1.00390.52 ATOM 86 CA ILE z 24 274.870 323.887 391.190 1.00380.98 ATOM 87 C ILE z 24 276.297 323.924 391.729 1.00376.20 ATOM 88 O ILE z 24 276.494 324.041 392.945 1.00381.59 ATOM 89 N ALA z 25 277.295 323.819 390.856 1.00374.77 ATOM 90 CA ALA z 25 278.684 323.813 391.333 1.00379.97 ATOM 91 C ALA z 25 279.719 324.104 390.262 1.00387.96 ATOM 92 O ALA z 25 279.396 324.153 389.073 1.00403.05 ATOM 93 N SER z 26 280.962 324.322 390.677 1.00380.83 ATOM 94 CA SER z 26 282.078 324.381 389.730 1.00370.72 ATOM 95 C SER z 26 282.661 322.975 389.614 1.00378.68 ATOM 96 O SER z 26 283.058 322.387 390.625 1.00384.40 ATOM 97 N LEU z 27 282.684 322.435 388.395 1.00378.63 ATOM 98 CA LEU z 27 283.236 321.106 388.145 1.00376.78 ATOM 99 C LEU z 27 284.758 321.186 388.001 1.00392.23 ATOM 100 O LEU z 27 285.254 321.827 387.081 1.00399.24 ATOM 101 N ASN z 28 285.504 320.527 388.896 1.00394.42 ATOM 102 CA ASN z 28 286.972 320.617 388.885 1.00386.34 ATOM 103 C ASN z 28 287.654 319.332 388.424 1.00388.40 ATOM 104 O ASN z 28 288.655 319.366 387.701 1.00371.87 ATOM 105 N GLY z 29 287.109 318.200 388.868 1.00403.74 ATOM 106 CA GLY z 29 287.544 316.893 388.416 1.00414.50 ATOM 107 C GLY z 29 286.376 315.979 388.064 1.00420.00 ATOM 108 O GLY z 29 285.262 316.099 388.596 1.00420.00 ATOM 109 N PHE z 30 286.635 315.060 387.138 1.00418.87 ATOM 110 CA PHE z 30 285.722 313.936 386.887 1.00416.30 ATOM 111 C PHE z 30 286.531 312.653 386.640 1.00420.00 ATOM 112 O PHE z 30 287.557 312.654 385.959 1.00404.74 ATOM 113 N ASP z 31 286.052 311.559 387.217 1.00420.00 ATOM 114 CA ASP z 31 286.528 310.249 386.921 1.00420.00 ATOM 115 C ASP z 31 285.460 309.497 386.044 1.00420.00 ATOM 116 O ASP z 31 284.504 310.070 385.464 1.00420.00 ATOM 117 N LYS z 32 285.727 308.217 385.913 1.00420.00 ATOM 118 CA LYS z 32 285.250 307.451 384.783 1.00420.00 ATOM 119 C LYS z 32 283.732 307.143 384.825 1.00420.00 ATOM 120 O LYS z 32 282.986 306.999 383.765 1.00420.00 ATOM 121 N ASN z 33 283.293 307.022 386.077 1.00420.00 ATOM 122 CA ASN z 33 281.900 306.644 386.395 1.00420.00 ATOM 123 C ASN z 33 281.010 307.873 386.442 1.00409.06 ATOM 124 O ASN z 33 279.889 307.713 386.756 1.00385.79 ATOM 125 N THR z 34 281.543 309.070 386.097 1.00391.88 ATOM 126 CA THR z 34 280.883 310.368 386.350 1.00372.93 ATOM 127 C THR z 34 280.953 310.767 387.857 1.00386.11 ATOM 128 O THR z 34 280.139 311.554 388.345 1.00383.78 ATOM 129 N ASN z 35 281.936 310.204 388.569 1.00397.57 ATOM 130 CA ASN z 35 282.350 310.666 389.891 1.00399.53 ATOM 131 C ASN z 35 282.761 312.112 389.674 1.00413.24 ATOM 132 O ASN z 35 283.539 312.389 388.771 1.00416.17 ATOM 133 N LEU z 36 282.212 313.056 390.433 1.00418.72 ATOM 134 CA LEU z 36 282.578 314.472 390.228 1.00418.52 ATOM 135 C LEU z 36 283.431 314.969 391.374 1.00420.00 ATOM 136 O LEU z 36 283.244 314.536 392.499 1.00420.00 ATOM 137 N PHE z 37 284.376 315.854 391.091 1.00420.00 ATOM 138 CA PHE z 37 284.994 316.671 392.147 1.00418.41 ATOM 139 C PHE z 37 284.430 318.087 391.965 1.00415.69 ATOM 140 O PHE z 37 284.575 318.648 390.886 1.00416.11 ATOM 141 N ILE z 38 283.777 318.637 392.996 1.00407.75 ATOM 142 CA ILE z 38 283.007 319.878 392.874 1.00395.70 ATOM 143 C ILE z 38 283.499 320.904 393.877 1.00382.83 ATOM 144 O ILE z 38 283.987 320.543 394.947 1.00375.16 ATOM 145 N THR z 39 283.374 322.185 393.525 1.00376.14 ATOM 146 CA THR z 39 283.711 323.276 394.446 1.00371.31 ATOM 147 C THR z 39 282.552 324.282 394.500 1.00379.05 ATOM 148 O THR z 39 281.893 324.547 393.477 1.00379.40 ATOM 149 N ASN z 40 282.301 324.812 395.701 1.00383.34 ATOM 150 CA ASN z 40 281.173 325.705 395.949 1.00380.00 ATOM 151 C ASN z 40 279.867 325.128 395.437 1.00381.58 ATOM 152 O ASN z 40 279.301 325.629 394.463 1.00380.00 ATOM 153 N VAL z 41 279.418 324.056 396.086 1.00387.65 ATOM 154 CA VAL z 41 278.202 323.361 395.689 1.00387.62 ATOM 155 C VAL z 41 277.012 323.975 396.417 1.00401.30 ATOM 156 O VAL z 41 277.143 324.404 397.571 1.00405.58 ATOM 157 N PHE z 42 275.865 324.009 395.740 1.00417.12 ATOM 158 CA PHE z 42 274.623 324.561 396.287 1.00420.00 ATOM 159 C PHE z 42 273.452 323.676 395.875 1.00420.00 ATOM 160 O PHE z 42 273.569 322.910 394.921 1.00420.00 ATOM 161 N ASN z 43 272.346 323.762 396.616 1.00420.00 ATOM 162 CA ASN z 43 271.102 323.063 396.258 1.00420.00 ATOM 163 C ASN z 43 270.220 323.937 395.343 1.00420.00 ATOM 164 O ASN z 43 269.656 324.928 395.811 1.00420.00 ATOM 165 N ARG z 44 270.122 323.578 394.055 1.00420.00 ATOM 166 CA ARG z 44 269.435 324.413 393.040 1.00420.00 ATOM 167 C ARG z 44 268.106 324.971 393.540 1.00420.00 ATOM 168 O ARG z 44 267.853 326.181 393.479 1.00420.00 ATOM 169 N ILE z 45 267.262 324.072 394.028 1.00420.00 ATOM 170 CA ILE z 45 265.959 324.460 394.545 1.00418.41 ATOM 171 C ILE z 45 266.150 325.345 395.769 1.00420.00 ATOM 172 O ILE z 45 265.610 326.450 395.844 1.00409.63 ATOM 173 N SER z 46 266.962 324.866 396.705 1.00420.00 ATOM 174 CA SER z 46 267.105 325.515 398.005 1.00419.11 ATOM 175 C SER z 46 268.022 326.741 397.996 1.00420.00 ATOM 176 O SER z 46 267.954 327.562 398.911 1.00417.83 ATOM 177 N LYS z 47 268.891 326.857 396.985 1.00420.00 ATOM 178 CA LYS z 47 269.934 327.902 396.960 1.00412.01 ATOM 179 C LYS z 47 270.756 327.884 398.254 1.00395.55 ATOM 180 O LYS z 47 271.339 328.893 398.654 1.00365.93 ATOM 181 N GLU z 48 270.789 326.719 398.898 1.00399.85 ATOM 182 CA GLU z 48 271.452 326.553 400.176 1.00392.97 ATOM 183 C GLU z 48 272.857 325.971 399.969 1.00397.90 ATOM 184 O GLU z 48 273.016 324.901 399.361 1.00407.89 ATOM 185 N PHE z 49 273.868 326.683 400.463 1.00389.40 ATOM 186 CA PHE z 49 275.260 326.242 400.340 1.00378.55 ATOM 187 C PHE z 49 275.512 324.888 401.001 1.00371.12 ATOM 188 O PHE z 49 275.284 324.722 402.200 1.00348.89 ATOM 189 N ILE z 50 275.960 323.928 400.193 1.00373.75 ATOM 190 CA ILE z 50 276.252 322.576 400.650 1.00362.10 ATOM 191 C ILE z 50 277.727 322.379 401.041 1.00362.39 ATOM 192 O ILE z 50 278.017 322.010 402.170 1.00340.55 ATOM 193 N CYS z 51 278.663 322.615 400.126 1.00374.27 ATOM 194 CA CYS z 51 280.080 322.416 400.460 1.00379.47 ATOM 195 C CYS z 51 281.051 323.285 399.657 1.00395.71 ATOM 196 O CYS z 51 280.795 323.605 398.488 1.00417.02 ATOM 197 N LYS z 52 282.169 323.671 400.277 1.00385.74 ATOM 198 CA LYS z 52 283.224 324.413 399.585 1.00369.53 ATOM 199 C LYS z 52 283.984 323.461 398.665 1.00370.80 ATOM 200 O LYS z 52 284.427 323.837 397.579 1.00359.03 ATOM 201 N ALA z 53 284.118 322.217 399.110 1.00376.46 ATOM 202 CA ALA z 53 284.686 321.148 398.278 1.00370.62 ATOM 203 C ALA z 53 283.966 319.835 398.561 1.00377.70 ATOM 204 O ALA z 53 283.740 319.495 399.717 1.00383.17 ATOM 205 N GLN z 54 283.593 319.106 397.516 1.00378.58 ATOM 206 CA GLN z 54 282.839 317.879 397.704 1.00377.12 ATOM 207 C GLN z 54 283.150 316.876 396.613 1.00382.58 ATOM 208 O GLN z 54 283.455 317.249 395.494 1.00380.60 ATOM 209 N LEU z 55 283.073 315.592 396.946 1.00385.37 ATOM 210 CA LEU z 55 283.236 314.524 395.968 1.00381.04 ATOM 211 C LEU z 55 281.869 313.863 395.844 1.00393.40 ATOM 212 O LEU z 55 281.280 313.509 396.853 1.00401.29 ATOM 213 N LEU z 56 281.358 313.718 394.623 1.00393.18 ATOM 214 CA LEU z 56 279.993 313.224 394.396 1.00387.75 ATOM 215 C LEU z 56 279.992 311.975 393.512 1.00396.46 ATOM 216 O LEU z 56 280.505 312.021 392.402 1.00398.17 ATOM 217 N ARG z 57 279.453 310.872 394.019 1.00403.41 ATOM 218 CA ARG z 57 279.501 309.608 393.297 1.00413.35 ATOM 219 C ARG z 57 278.649 309.617 392.022 1.00420.00 ATOM 220 O ARG z 57 277.528 310.150 392.001 1.00420.00 ATOM 221 N GLY z 58 279.154 308.966 390.976 1.00420.00 ATOM 222 CA GLY z 58 278.466 308.884 389.709 1.00420.00 ATOM 223 C GLY z 58 277.226 308.023 389.772 1.00420.00 ATOM 224 O GLY z 58 276.329 308.263 388.993 1.00420.00 ATOM 225 N SER z 59 277.169 307.033 390.663 1.00403.34 ATOM 226 CA SER z 59 275.937 306.268 390.882 1.00377.27 ATOM 227 C SER z 59 274.734 307.211 391.114 1.00370.10 ATOM 228 O SER z 59 273.588 306.833 390.832 1.00333.89 ATOM 229 N GLU z 60 275.007 308.413 391.639 1.00379.13 ATOM 230 CA GLU z 60 273.989 309.439 391.919 1.00368.50 ATOM 231 C GLU z 60 273.565 310.335 390.756 1.00368.00 ATOM 232 O GLU z 60 272.479 310.874 390.787 1.00352.99 ATOM 233 N ILE z 61 274.456 310.518 389.792 1.00375.62 ATOM 234 CA ILE z 61 274.252 311.442 388.680 1.00374.21 ATOM 235 C ILE z 61 273.355 310.924 387.552 1.00383.20 ATOM 236 O ILE z 61 273.442 309.757 387.173 1.00381.22 ATOM 237 N ALA z 62 272.481 311.782 387.029 1.00385.12 ATOM 238 CA ALA z 62 271.658 311.430 385.888 1.00368.66 ATOM 239 C ALA z 62 271.988 312.375 384.756 1.00359.88 ATOM 240 O ALA z 62 271.972 311.983 383.602 1.00348.57 ATOM 241 N LEU z 63 272.306 313.617 385.096 1.00358.49 ATOM 242 CA LEU z 63 272.517 314.632 384.100 1.00351.78 ATOM 243 C LEU z 63 273.416 315.743 384.610 1.00351.68 ATOM 244 O LEU z 63 273.287 316.182 385.748 1.00356.09 ATOM 245 N VAL z 64 274.332 316.199 383.763 1.00351.74 ATOM 246 CA VAL z 64 275.216 317.324 384.092 1.00346.03 ATOM 247 C VAL z 64 275.148 318.381 382.991 1.00352.88 ATOM 248 O VAL z 64 275.421 318.081 381.838 1.00350.10 ATOM 249 N GLY z 65 274.791 319.617 383.323 1.00360.79 ATOM 250 CA GLY z 65 274.573 320.638 382.292 1.00366.45 ATOM 251 C GLY z 65 275.489 321.841 382.409 1.00376.05 ATOM 252 O GLY z 65 275.764 322.319 383.509 1.00380.84 ATOM 253 N LEU z 66 275.934 322.360 381.264 1.00370.62 ATOM 254 CA LEU z 66 276.906 323.433 381.234 1.00354.12 ATOM 255 C LEU z 66 276.234 324.795 381.246 1.00352.61 ATOM 256 O LEU z 66 275.778 325.271 380.207 1.00330.81 ATOM 257 N ILE z 67 276.171 325.401 382.432 1.00354.91 ATOM 258 CA ILE z 67 275.600 326.737 382.612 1.00333.62 ATOM 259 C ILE z 67 276.709 327.784 382.644 1.00306.07 ATOM 260 O ILE z 67 277.472 327.910 381.686 1.00284.32 TER