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: 14; COMPND 2 MOLECULE: U6 snRNA-associated Sm-like protein LSm7; COMPND 3 CHAIN: y; EXPDTA ELECTRON MICROSCOPY REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 SER y 71 REMARK 465 ASN y 72 REMARK 465 PRO y 73 REMARK 465 ASP y 74 REMARK 465 ASP y 75 REMARK 465 GLU y 76 REMARK 465 ASN y 77 REMARK 465 ASN y 78 REMARK 465 THR y 79 REMARK 465 GLU y 80 REMARK 465 LEU y 81 REMARK 465 ILE y 82 REMARK 465 SER y 83 REMARK 465 LYS y 84 DBREF 5ZWO y 1 115 UNP P53905 LSM7_YEAST 1 115 SEQRES 1 y 80 ALA ILE LEU ASP LEU ALA LYS TYR LYS ASP SER LYS ILE SEQRES 2 y 80 ARG VAL LYS LEU MET GLY GLY LYS LEU VAL ILE GLY VAL SEQRES 3 y 80 LEU LYS GLY TYR ASP GLN LEU MET ASN LEU VAL LEU ASP SEQRES 4 y 80 ASP THR VAL GLU TYR MET SER ASN PRO ASP ASP GLU ASN SEQRES 5 y 80 ASN THR GLU LEU ILE SER LYS ASN ALA ARG LYS LEU GLY SEQRES 6 y 80 LEU THR VAL ILE ARG GLY THR ILE LEU VAL SER LEU SER SEQRES 7 y 80 SER ALA ATOM 1 N ALA y 26 294.401 294.465 399.767 1.00309.69 ATOM 2 CA ALA y 26 293.138 295.008 400.340 1.00320.36 ATOM 3 C ALA y 26 293.457 296.160 401.289 1.00337.62 ATOM 4 O ALA y 26 294.569 296.238 401.810 1.00340.33 ATOM 5 N ILE y 27 292.478 297.039 401.509 1.00337.47 ATOM 6 CA ILE y 27 292.655 298.244 402.337 1.00335.47 ATOM 7 C ILE y 27 292.284 298.054 403.810 1.00350.09 ATOM 8 O ILE y 27 292.705 298.843 404.669 1.00342.90 ATOM 9 N LEU y 28 291.490 297.025 404.084 1.00358.64 ATOM 10 CA LEU y 28 291.118 296.670 405.455 1.00359.56 ATOM 11 C LEU y 28 291.719 295.323 405.851 1.00372.31 ATOM 12 O LEU y 28 291.435 294.318 405.219 1.00363.51 ATOM 13 N ASP y 29 292.550 295.292 406.890 1.00384.74 ATOM 14 CA ASP y 29 293.179 294.044 407.306 1.00401.62 ATOM 15 C ASP y 29 292.263 293.277 408.244 1.00420.00 ATOM 16 O ASP y 29 292.222 293.564 409.434 1.00420.00 ATOM 17 N LEU y 30 291.535 292.300 407.710 1.00420.00 ATOM 18 CA LEU y 30 290.587 291.529 408.510 1.00420.00 ATOM 19 C LEU y 30 291.233 290.629 409.573 1.00420.00 ATOM 20 O LEU y 30 290.554 290.139 410.483 1.00420.00 ATOM 21 N ALA y 31 292.544 290.422 409.477 1.00420.00 ATOM 22 CA ALA y 31 293.239 289.518 410.396 1.00420.00 ATOM 23 C ALA y 31 293.161 290.049 411.822 1.00420.00 ATOM 24 O ALA y 31 292.965 289.299 412.776 1.00420.00 ATOM 25 N LYS y 32 293.283 291.363 411.956 1.00420.00 ATOM 26 CA LYS y 32 293.226 291.995 413.263 1.00420.00 ATOM 27 C LYS y 32 291.844 291.872 413.893 1.00420.00 ATOM 28 O LYS y 32 291.669 292.168 415.079 1.00420.00 ATOM 29 N TYR y 33 290.861 291.455 413.098 1.00420.00 ATOM 30 CA TYR y 33 289.507 291.284 413.593 1.00420.00 ATOM 31 C TYR y 33 289.126 289.831 413.883 1.00420.00 ATOM 32 O TYR y 33 288.016 289.579 414.336 1.00420.00 ATOM 33 N LYS y 34 290.012 288.872 413.612 1.00420.00 ATOM 34 CA LYS y 34 289.688 287.462 413.862 1.00420.00 ATOM 35 C LYS y 34 289.476 287.226 415.357 1.00420.00 ATOM 36 O LYS y 34 290.276 287.693 416.179 1.00420.00 ATOM 37 N ASP y 35 288.379 286.526 415.664 1.00420.00 ATOM 38 CA ASP y 35 287.900 286.271 417.028 1.00420.00 ATOM 39 C ASP y 35 287.364 287.489 417.792 1.00420.00 ATOM 40 O ASP y 35 287.286 287.451 419.015 1.00420.00 ATOM 41 N SER y 36 287.002 288.562 417.089 1.00420.00 ATOM 42 CA SER y 36 286.352 289.714 417.715 1.00420.00 ATOM 43 C SER y 36 284.939 289.865 417.163 1.00420.00 ATOM 44 O SER y 36 284.587 289.254 416.158 1.00420.00 ATOM 45 N LYS y 37 284.126 290.696 417.808 1.00420.00 ATOM 46 CA LYS y 37 282.747 290.903 417.371 1.00420.00 ATOM 47 C LYS y 37 282.634 292.061 416.378 1.00420.00 ATOM 48 O LYS y 37 282.927 293.193 416.736 1.00420.00 ATOM 49 N ILE y 38 282.220 291.782 415.140 1.00420.00 ATOM 50 CA ILE y 38 282.095 292.826 414.098 1.00420.00 ATOM 51 C ILE y 38 280.633 293.146 413.744 1.00420.00 ATOM 52 O ILE y 38 279.748 292.289 413.887 1.00420.00 ATOM 53 N ARG y 39 280.403 294.382 413.298 1.00420.00 ATOM 54 CA ARG y 39 279.105 294.860 412.815 1.00420.00 ATOM 55 C ARG y 39 279.187 295.044 411.296 1.00420.00 ATOM 56 O ARG y 39 280.020 295.810 410.794 1.00420.00 ATOM 57 N VAL y 40 278.312 294.344 410.568 1.00414.34 ATOM 58 CA VAL y 40 278.293 294.372 409.100 1.00403.73 ATOM 59 C VAL y 40 276.934 294.780 408.534 1.00397.51 ATOM 60 O VAL y 40 275.964 294.027 408.627 1.00394.02 ATOM 61 N LYS y 41 276.868 295.979 407.959 1.00393.47 ATOM 62 CA LYS y 41 275.665 296.451 407.276 1.00395.60 ATOM 63 C LYS y 41 275.659 295.955 405.825 1.00411.51 ATOM 64 O LYS y 41 276.678 296.058 405.131 1.00419.16 ATOM 65 N LEU y 42 274.524 295.402 405.398 1.00412.77 ATOM 66 CA LEU y 42 274.355 294.843 404.054 1.00406.82 ATOM 67 C LEU y 42 273.435 295.655 403.144 1.00404.35 ATOM 68 O LEU y 42 272.651 296.506 403.590 1.00418.00 ATOM 69 N MET y 43 273.539 295.369 401.850 1.00387.67 ATOM 70 CA MET y 43 272.707 296.007 400.842 1.00370.92 ATOM 71 C MET y 43 271.261 295.534 400.976 1.00372.33 ATOM 72 O MET y 43 270.994 294.334 401.011 1.00370.73 ATOM 73 N GLY y 44 270.337 296.484 401.052 1.00369.07 ATOM 74 CA GLY y 44 268.916 296.179 401.201 1.00359.41 ATOM 75 C GLY y 44 268.509 296.421 402.638 1.00363.08 ATOM 76 O GLY y 44 267.396 296.077 403.046 1.00339.13 ATOM 77 N GLY y 45 269.429 297.003 403.411 1.00375.03 ATOM 78 CA GLY y 45 269.160 297.451 404.771 1.00367.60 ATOM 79 C GLY y 45 269.260 296.409 405.883 1.00372.12 ATOM 80 O GLY y 45 268.659 296.580 406.937 1.00358.86 ATOM 81 N LYS y 46 270.044 295.348 405.700 1.00380.65 ATOM 82 CA LYS y 46 270.251 294.348 406.756 1.00380.76 ATOM 83 C LYS y 46 271.447 294.688 407.649 1.00392.22 ATOM 84 O LYS y 46 272.427 295.254 407.185 1.00395.56 ATOM 85 N LEU y 47 271.340 294.366 408.932 1.00397.58 ATOM 86 CA LEU y 47 272.457 294.480 409.872 1.00400.39 ATOM 87 C LEU y 47 272.837 293.082 410.364 1.00406.73 ATOM 88 O LEU y 47 271.971 292.244 410.560 1.00413.46 ATOM 89 N VAL y 48 274.125 292.820 410.555 1.00402.50 ATOM 90 CA VAL y 48 274.561 291.520 411.088 1.00393.11 ATOM 91 C VAL y 48 275.747 291.704 412.019 1.00391.35 ATOM 92 O VAL y 48 276.788 292.229 411.598 1.00385.70 ATOM 93 N ILE y 49 275.605 291.303 413.281 1.00394.80 ATOM 94 CA ILE y 49 276.717 291.360 414.229 1.00399.58 ATOM 95 C ILE y 49 277.133 289.926 414.502 1.00414.71 ATOM 96 O ILE y 49 276.288 289.104 414.824 1.00415.79 ATOM 97 N GLY y 50 278.401 289.591 414.350 1.00420.00 ATOM 98 CA GLY y 50 278.816 288.215 414.602 1.00420.00 ATOM 99 C GLY y 50 280.237 288.203 415.104 1.00420.00 ATOM 100 O GLY y 50 280.843 289.255 415.264 1.00420.00 ATOM 101 N VAL y 51 280.787 287.021 415.366 1.00420.00 ATOM 102 CA VAL y 51 282.215 286.897 415.691 1.00420.00 ATOM 103 C VAL y 51 282.952 286.468 414.423 1.00420.00 ATOM 104 O VAL y 51 282.576 285.462 413.821 1.00420.00 ATOM 105 N LEU y 52 283.985 287.220 414.026 1.00420.00 ATOM 106 CA LEU y 52 284.716 286.976 412.771 1.00420.00 ATOM 107 C LEU y 52 285.605 285.737 412.859 1.00420.00 ATOM 108 O LEU y 52 286.589 285.729 413.606 1.00420.00 ATOM 109 N LYS y 53 285.228 284.689 412.133 1.00420.00 ATOM 110 CA LYS y 53 286.008 283.455 412.070 1.00420.00 ATOM 111 C LYS y 53 286.871 283.341 410.809 1.00420.00 ATOM 112 O LYS y 53 287.987 282.817 410.866 1.00411.42 ATOM 113 N GLY y 54 286.354 283.816 409.675 1.00420.00 ATOM 114 CA GLY y 54 287.072 283.710 408.403 1.00420.00 ATOM 115 C GLY y 54 286.785 284.829 407.417 1.00420.00 ATOM 116 O GLY y 54 285.756 285.501 407.507 1.00420.00 ATOM 117 N TYR y 55 287.694 285.022 406.464 1.00420.00 ATOM 118 CA TYR y 55 287.529 286.037 405.417 1.00405.45 ATOM 119 C TYR y 55 288.239 285.672 404.109 1.00392.02 ATOM 120 O TYR y 55 289.124 284.815 404.088 1.00382.62 ATOM 121 N ASP y 56 287.850 286.320 403.019 1.00387.49 ATOM 122 CA ASP y 56 288.533 286.139 401.734 1.00387.36 ATOM 123 C ASP y 56 288.884 287.492 401.123 1.00391.60 ATOM 124 O ASP y 56 288.463 288.534 401.630 1.00406.19 ATOM 125 N GLN y 57 289.629 287.470 400.018 1.00377.70 ATOM 126 CA GLN y 57 290.027 288.693 399.317 1.00364.99 ATOM 127 C GLN y 57 288.812 289.432 398.751 1.00373.29 ATOM 128 O GLN y 57 288.842 290.656 398.575 1.00355.06 ATOM 129 N LEU y 58 287.740 288.684 398.491 1.00384.91 ATOM 130 CA LEU y 58 286.503 289.250 397.952 1.00381.90 ATOM 131 C LEU y 58 285.562 289.816 399.023 1.00395.55 ATOM 132 O LEU y 58 284.432 290.215 398.707 1.00376.62 ATOM 133 N MET y 59 286.037 289.851 400.271 1.00415.74 ATOM 134 CA MET y 59 285.248 290.291 401.429 1.00418.62 ATOM 135 C MET y 59 284.110 289.357 401.888 1.00420.00 ATOM 136 O MET y 59 283.228 289.789 402.640 1.00420.00 ATOM 137 N ASN y 60 284.104 288.101 401.434 1.00420.00 ATOM 138 CA ASN y 60 283.207 287.087 402.006 1.00420.00 ATOM 139 C ASN y 60 283.664 286.840 403.448 1.00420.00 ATOM 140 O ASN y 60 284.868 286.723 403.685 1.00420.00 ATOM 141 N LEU y 61 282.727 286.856 404.393 1.00420.00 ATOM 142 CA LEU y 61 283.022 286.617 405.816 1.00420.00 ATOM 143 C LEU y 61 282.421 285.323 406.377 1.00420.00 ATOM 144 O LEU y 61 281.408 284.822 405.876 1.00420.00 ATOM 145 N VAL y 62 283.049 284.788 407.423 1.00420.00 ATOM 146 CA VAL y 62 282.471 283.686 408.205 1.00420.00 ATOM 147 C VAL y 62 282.203 284.182 409.627 1.00420.00 ATOM 148 O VAL y 62 283.144 284.356 410.399 1.00420.00 ATOM 149 N LEU y 63 280.936 284.424 409.970 1.00420.00 ATOM 150 CA LEU y 63 280.570 284.914 411.312 1.00418.31 ATOM 151 C LEU y 63 280.084 283.755 412.192 1.00420.00 ATOM 152 O LEU y 63 279.513 282.795 411.678 1.00420.00 ATOM 153 N ASP y 64 280.316 283.847 413.503 1.00420.00 ATOM 154 CA ASP y 64 279.845 282.863 414.492 1.00420.00 ATOM 155 C ASP y 64 279.016 283.647 415.506 1.00420.00 ATOM 156 O ASP y 64 279.272 284.836 415.689 1.00420.00 ATOM 157 N ASP y 65 278.031 283.007 416.140 1.00420.00 ATOM 158 CA ASP y 65 277.091 283.710 417.035 1.00420.00 ATOM 159 C ASP y 65 276.481 284.893 416.283 1.00420.00 ATOM 160 O ASP y 65 276.427 286.018 416.794 1.00420.00 ATOM 161 N THR y 66 276.061 284.623 415.050 1.00420.00 ATOM 162 CA THR y 66 275.562 285.653 414.169 1.00420.00 ATOM 163 C THR y 66 274.151 286.066 414.570 1.00420.00 ATOM 164 O THR y 66 273.247 285.235 414.675 1.00420.00 ATOM 165 N VAL y 67 273.974 287.355 414.815 1.00420.00 ATOM 166 CA VAL y 67 272.644 287.912 415.028 1.00420.00 ATOM 167 C VAL y 67 272.328 288.890 413.894 1.00420.00 ATOM 168 O VAL y 67 273.058 289.870 413.709 1.00420.00 ATOM 169 N GLU y 68 271.275 288.598 413.129 1.00407.54 ATOM 170 CA GLU y 68 270.829 289.468 412.036 1.00389.14 ATOM 171 C GLU y 68 269.746 290.411 412.547 1.00381.83 ATOM 172 O GLU y 68 268.713 289.948 413.011 1.00379.12 ATOM 173 N TYR y 69 270.008 291.718 412.483 1.00377.14 ATOM 174 CA TYR y 69 269.057 292.761 412.864 1.00367.82 ATOM 175 C TYR y 69 268.339 293.296 411.635 1.00361.84 ATOM 176 O TYR y 69 268.985 293.729 410.690 1.00365.45 ATOM 177 N MET y 70 267.012 293.255 411.654 1.00342.86 ATOM 178 CA MET y 70 266.208 293.632 410.501 1.00308.48 ATOM 179 C MET y 70 265.434 294.910 410.778 1.00280.84 ATOM 180 O MET y 70 265.155 295.678 409.865 1.00244.79 ATOM 181 N ASN y 85 263.251 292.778 414.962 1.00313.46 ATOM 182 CA ASN y 85 264.370 293.557 415.479 1.00326.10 ATOM 183 C ASN y 85 265.591 292.680 415.789 1.00347.09 ATOM 184 O ASN y 85 266.721 293.180 415.824 1.00335.74 ATOM 185 N ALA y 86 265.357 291.381 416.008 1.00367.09 ATOM 186 CA ALA y 86 266.418 290.426 416.360 1.00371.19 ATOM 187 C ALA y 86 266.165 289.032 415.766 1.00369.79 ATOM 188 O ALA y 86 265.051 288.516 415.823 1.00363.40 ATOM 189 N ARG y 87 267.204 288.425 415.201 1.00375.05 ATOM 190 CA ARG y 87 267.118 287.053 414.656 1.00378.83 ATOM 191 C ARG y 87 268.443 286.281 414.821 1.00396.47 ATOM 192 O ARG y 87 269.513 286.769 414.439 1.00412.10 ATOM 193 N LYS y 88 268.386 285.063 415.360 1.00394.84 ATOM 194 CA LYS y 88 269.601 284.340 415.727 1.00392.81 ATOM 195 C LYS y 88 269.966 283.197 414.793 1.00395.30 ATOM 196 O LYS y 88 269.441 282.093 414.926 1.00384.43 ATOM 197 N LEU y 89 270.877 283.463 413.857 1.00406.07 ATOM 198 CA LEU y 89 271.482 282.410 413.033 1.00407.86 ATOM 199 C LEU y 89 272.746 282.030 413.783 1.00420.00 ATOM 200 O LEU y 89 273.106 282.682 414.745 1.00420.00 ATOM 201 N GLY y 90 273.452 280.997 413.359 1.00420.00 ATOM 202 CA GLY y 90 274.653 280.613 414.088 1.00420.00 ATOM 203 C GLY y 90 275.928 280.967 413.350 1.00420.00 ATOM 204 O GLY y 90 276.416 282.110 413.376 1.00420.00 ATOM 205 N LEU y 91 276.472 279.949 412.688 1.00420.00 ATOM 206 CA LEU y 91 277.680 280.076 411.908 1.00407.66 ATOM 207 C LEU y 91 277.221 280.421 410.509 1.00405.92 ATOM 208 O LEU y 91 276.722 279.561 409.798 1.00402.04 ATOM 209 N THR y 92 277.337 281.690 410.145 1.00401.59 ATOM 210 CA THR y 92 276.874 282.153 408.837 1.00394.60 ATOM 211 C THR y 92 278.008 282.565 407.893 1.00394.65 ATOM 212 O THR y 92 279.069 283.000 408.339 1.00392.87 ATOM 213 N VAL y 93 277.787 282.392 406.593 1.00396.68 ATOM 214 CA VAL y 93 278.669 282.962 405.569 1.00394.47 ATOM 215 C VAL y 93 278.004 284.215 404.985 1.00390.39 ATOM 216 O VAL y 93 276.932 284.103 404.393 1.00388.44 ATOM 217 N ILE y 94 278.606 285.385 405.218 1.00382.77 ATOM 218 CA ILE y 94 278.196 286.657 404.575 1.00373.88 ATOM 219 C ILE y 94 278.825 286.935 403.188 1.00383.07 ATOM 220 O ILE y 94 280.055 286.923 403.020 1.00391.74 ATOM 221 N ARG y 95 277.989 287.222 402.190 1.00387.48 ATOM 222 CA ARG y 95 278.487 287.521 400.845 1.00396.39 ATOM 223 C ARG y 95 279.129 288.903 400.778 1.00420.00 ATOM 224 O ARG y 95 278.557 289.881 401.252 1.00420.00 ATOM 225 N GLY y 96 280.317 288.978 400.186 1.00420.00 ATOM 226 CA GLY y 96 281.086 290.200 400.187 1.00420.00 ATOM 227 C GLY y 96 280.538 291.165 399.154 1.00417.88 ATOM 228 O GLY y 96 280.698 292.376 399.279 1.00420.00 ATOM 229 N THR y 97 279.855 290.630 398.148 1.00393.23 ATOM 230 CA THR y 97 279.406 291.436 397.033 1.00361.90 ATOM 231 C THR y 97 278.340 292.425 397.485 1.00359.53 ATOM 232 O THR y 97 278.230 293.525 396.940 1.00331.03 ATOM 233 N ILE y 98 277.554 292.016 398.477 1.00376.75 ATOM 234 CA ILE y 98 276.474 292.843 399.006 1.00376.74 ATOM 235 C ILE y 98 276.852 293.647 400.248 1.00383.77 ATOM 236 O ILE y 98 276.035 294.424 400.755 1.00367.49 ATOM 237 N LEU y 99 278.068 293.446 400.752 1.00397.61 ATOM 238 CA LEU y 99 278.496 294.122 401.977 1.00393.86 ATOM 239 C LEU y 99 278.649 295.625 401.748 1.00392.14 ATOM 240 O LEU y 99 279.283 296.034 400.781 1.00386.97 ATOM 241 N VAL y 100 278.059 296.442 402.620 1.00389.13 ATOM 242 CA VAL y 100 278.128 297.898 402.476 1.00379.06 ATOM 243 C VAL y 100 279.081 298.566 403.472 1.00383.74 ATOM 244 O VAL y 100 279.850 299.452 403.104 1.00375.66 ATOM 245 N SER y 101 279.016 298.150 404.737 1.00394.91 ATOM 246 CA SER y 101 279.845 298.738 405.798 1.00398.86 ATOM 247 C SER y 101 280.320 297.686 406.802 1.00409.06 ATOM 248 O SER y 101 279.685 296.646 406.960 1.00416.62 ATOM 249 N LEU y 102 281.432 297.960 407.488 1.00405.76 ATOM 250 CA LEU y 102 282.002 297.018 408.460 1.00400.09 ATOM 251 C LEU y 102 282.741 297.742 409.586 1.00399.02 ATOM 252 O LEU y 102 283.770 298.373 409.329 1.00390.73 ATOM 253 N SER y 103 282.207 297.653 410.809 1.00404.08 ATOM 254 CA SER y 103 282.784 298.315 411.991 1.00398.81 ATOM 255 C SER y 103 282.969 297.283 413.085 1.00399.09 ATOM 256 O SER y 103 282.729 296.094 412.864 1.00414.72 ATOM 257 N SER y 104 283.380 297.734 414.264 1.00383.26 ATOM 258 CA SER y 104 283.589 296.838 415.398 1.00372.48 ATOM 259 C SER y 104 282.338 296.754 416.290 1.00366.25 ATOM 260 O SER y 104 281.379 297.495 416.086 1.00360.14 ATOM 261 N ALA y 105 282.358 295.857 417.280 1.00354.54 ATOM 262 CA ALA y 105 281.228 295.668 418.215 1.00326.94 ATOM 263 C ALA y 105 281.679 295.188 419.603 1.00302.49 ATOM 264 O ALA y 105 282.235 295.959 420.389 1.00284.33 TER