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: 33; COMPND 2 MOLECULE: Pre-mRNA-splicing factor RDS3; COMPND 3 CHAIN: 5; EXPDTA ELECTRON MICROSCOPY DBREF 5ZWO 5 1 107 UNP Q06835 RDS3_YEAST 1 107 SEQRES 1 5 17 SER ARG HIS GLN PHE ASP LEU ILE MET CYS LEU LYS GLN SEQRES 2 5 17 PRO GLY VAL GLN SEQRES 1 5 13 LYS VAL ARG VAL CYS GLU ASN CYS SER PHE GLY LYS GLN SEQRES 1 5 23 ASP LYS ASP GLY CYS PRO ARG ILE LEU ASN LEU GLY SER SEQRES 2 5 23 ASN ARG LEU ASP ARG HIS PHE GLU LYS LYS ATOM 1 N SER 5 2 279.989 226.277 344.462 1.00 77.28 ATOM 2 CA SER 5 2 279.892 227.753 344.407 1.00 79.87 ATOM 3 C SER 5 2 280.158 228.108 342.959 1.00 82.11 ATOM 4 O SER 5 2 280.841 227.420 342.199 1.00 58.42 ATOM 5 CB SER 5 2 280.951 228.479 345.283 1.00 77.74 ATOM 6 N ARG 5 3 279.591 229.239 342.598 1.00 98.57 ATOM 7 CA ARG 5 3 279.617 229.747 341.260 1.00 97.10 ATOM 8 C ARG 5 3 281.008 230.057 340.827 1.00 81.49 ATOM 9 O ARG 5 3 281.311 229.847 339.657 1.00 95.48 ATOM 10 CB ARG 5 3 278.704 230.997 341.176 1.00109.04 ATOM 11 N HIS 5 4 281.834 230.636 341.703 1.00 79.94 ATOM 12 CA HIS 5 4 283.170 231.045 341.245 1.00 95.77 ATOM 13 C HIS 5 4 284.305 230.300 341.762 1.00 75.11 ATOM 14 O HIS 5 4 285.389 230.365 341.207 1.00 88.89 ATOM 15 CB HIS 5 4 283.492 232.527 341.409 1.00101.60 ATOM 16 N GLN 5 5 284.078 229.473 342.729 1.00 79.22 ATOM 17 CA GLN 5 5 285.164 228.730 343.343 1.00 86.51 ATOM 18 C GLN 5 5 285.004 227.266 343.027 1.00 76.92 ATOM 19 O GLN 5 5 284.054 226.638 343.507 1.00 95.31 ATOM 20 CB GLN 5 5 285.017 228.936 344.822 1.00103.14 ATOM 21 N PHE 5 6 285.843 226.740 342.144 1.00 75.93 ATOM 22 CA PHE 5 6 285.452 225.508 341.395 1.00 82.49 ATOM 23 C PHE 5 6 285.650 224.215 342.141 1.00 79.61 ATOM 24 O PHE 5 6 284.909 223.283 341.924 1.00 83.74 ATOM 25 CB PHE 5 6 286.153 225.310 340.071 1.00 90.60 ATOM 26 N ASP 5 7 286.616 224.138 343.039 1.00 80.05 ATOM 27 CA ASP 5 7 286.857 222.925 343.791 1.00 86.47 ATOM 28 C ASP 5 7 285.746 222.460 344.718 1.00 84.82 ATOM 29 O ASP 5 7 285.599 221.280 344.886 1.00118.79 ATOM 30 CB ASP 5 7 288.141 223.040 344.607 1.00107.77 ATOM 31 N LEU 5 8 284.950 223.350 345.297 1.00 79.92 ATOM 32 CA LEU 5 8 283.926 222.970 346.281 1.00 77.63 ATOM 33 C LEU 5 8 282.842 222.079 345.718 1.00 88.91 ATOM 34 O LEU 5 8 282.365 222.282 344.586 1.00100.35 ATOM 35 CB LEU 5 8 283.216 224.175 346.865 1.00 70.21 ATOM 36 N ILE 5 9 282.424 221.131 346.542 1.00 82.77 ATOM 37 CA ILE 5 9 281.518 220.082 346.155 1.00 85.25 ATOM 38 C ILE 5 9 280.224 220.263 346.952 1.00 78.91 ATOM 39 O ILE 5 9 280.230 220.279 348.199 1.00 71.02 ATOM 40 CB ILE 5 9 282.153 218.715 346.380 1.00102.50 ATOM 41 N MET 5 10 279.108 220.433 346.245 1.00 82.14 ATOM 42 CA MET 5 10 277.805 220.434 346.930 1.00 76.59 ATOM 43 C MET 5 10 277.380 219.057 347.389 1.00 69.79 ATOM 44 O MET 5 10 278.029 218.078 347.090 1.00 76.01 ATOM 45 CB MET 5 10 276.728 221.009 346.052 1.00 84.91 ATOM 46 N CYS 5 11 276.292 219.017 348.153 1.00 64.01 ATOM 47 CA CYS 5 11 275.738 217.797 348.725 1.00 60.83 ATOM 48 C CYS 5 11 274.835 217.111 347.725 1.00 61.84 ATOM 49 O CYS 5 11 275.162 216.032 347.289 1.00 67.38 ATOM 50 CB CYS 5 11 274.989 218.139 350.024 1.00 56.78 ATOM 51 N LEU 5 12 273.731 217.762 347.351 1.00 67.80 ATOM 52 CA LEU 5 12 272.763 217.251 346.396 1.00 71.59 ATOM 53 C LEU 5 12 272.165 215.932 346.879 1.00 78.54 ATOM 54 O LEU 5 12 272.393 214.860 346.323 1.00 92.34 ATOM 55 CB LEU 5 12 273.430 217.099 345.038 1.00 85.56 ATOM 56 N LYS 5 13 271.466 216.015 347.991 1.00 78.31 ATOM 57 CA LYS 5 13 270.645 214.928 348.495 1.00 83.22 ATOM 58 C LYS 5 13 269.261 215.435 348.676 1.00 79.61 ATOM 59 O LYS 5 13 268.996 216.603 348.450 1.00 89.98 ATOM 60 CB LYS 5 13 271.164 214.475 349.829 1.00 94.35 ATOM 61 N GLN 5 14 268.349 214.570 349.087 1.00 83.07 ATOM 62 CA GLN 5 14 266.937 214.954 349.119 1.00 79.88 ATOM 63 C GLN 5 14 266.694 215.880 350.298 1.00 60.68 ATOM 64 O GLN 5 14 266.911 215.499 351.441 1.00 54.53 ATOM 65 CB GLN 5 14 266.124 213.715 349.238 1.00 95.96 ATOM 66 N PRO 5 15 266.247 217.088 350.021 1.00 61.86 ATOM 67 CA PRO 5 15 266.099 218.053 351.095 1.00 70.54 ATOM 68 C PRO 5 15 265.065 217.619 352.115 1.00 75.42 ATOM 69 O PRO 5 15 263.956 217.136 351.778 1.00 71.59 ATOM 70 CB PRO 5 15 265.623 219.308 350.386 1.00 82.22 ATOM 71 N GLY 5 16 265.433 217.792 353.373 1.00 76.49 ATOM 72 CA GLY 5 16 264.486 217.504 354.430 1.00 83.00 ATOM 73 C GLY 5 16 263.675 218.712 354.772 1.00 74.14 ATOM 74 O GLY 5 16 263.446 219.577 353.914 1.00 82.61 ATOM 75 N VAL 5 17 263.327 218.815 356.045 1.00 69.21 ATOM 76 CA VAL 5 17 262.479 219.882 356.470 1.00 87.05 ATOM 77 C VAL 5 17 263.204 221.071 357.105 1.00 85.53 ATOM 78 O VAL 5 17 262.554 222.049 357.458 1.00 85.45 ATOM 79 CB VAL 5 17 261.439 219.363 357.463 1.00113.05 ATOM 80 N GLN 5 18 264.519 220.989 357.259 1.00 77.79 ATOM 81 CA GLN 5 18 265.183 221.995 358.020 1.00 88.15 ATOM 82 C GLN 5 18 265.880 223.024 357.150 1.00 96.94 ATOM 83 O GLN 5 18 266.335 222.729 356.047 1.00119.64 ATOM 84 CB GLN 5 18 266.145 221.331 358.962 1.00111.26 TER ATOM 1 N LYS 5 42 262.985 229.831 351.002 1.00 68.75 ATOM 2 CA LYS 5 42 263.937 229.244 351.944 1.00 78.98 ATOM 3 C LYS 5 42 264.649 228.015 351.407 1.00 76.05 ATOM 4 O LYS 5 42 264.069 227.233 350.665 1.00 74.17 ATOM 5 CB LYS 5 42 263.239 228.825 353.242 1.00 91.12 ATOM 6 N VAL 5 43 265.913 227.841 351.778 1.00 73.24 ATOM 7 CA VAL 5 43 266.608 226.613 351.434 1.00 75.92 ATOM 8 C VAL 5 43 266.218 225.579 352.436 1.00 73.42 ATOM 9 O VAL 5 43 265.763 225.882 353.558 1.00 77.93 ATOM 10 CB VAL 5 43 268.139 226.723 351.445 1.00 75.89 ATOM 11 N ARG 5 44 266.411 224.347 352.021 1.00 73.12 ATOM 12 CA ARG 5 44 266.085 223.211 352.846 1.00 75.37 ATOM 13 C ARG 5 44 267.175 222.236 352.609 1.00 71.55 ATOM 14 O ARG 5 44 267.435 221.825 351.474 1.00 77.89 ATOM 15 CB ARG 5 44 264.704 222.606 352.515 1.00 72.00 ATOM 16 N VAL 5 45 267.770 221.830 353.714 1.00 67.03 ATOM 17 CA VAL 5 45 268.887 220.913 353.671 1.00 68.35 ATOM 18 C VAL 5 45 268.503 219.550 354.195 1.00 67.59 ATOM 19 O VAL 5 45 267.572 219.423 354.970 1.00 77.04 ATOM 20 CB VAL 5 45 270.039 221.465 354.450 1.00 68.97 ATOM 21 N CYS 5 46 269.213 218.536 353.771 1.00 61.03 ATOM 22 CA CYS 5 46 268.912 217.181 354.200 1.00 71.31 ATOM 23 C CYS 5 46 269.276 216.897 355.624 1.00 96.24 ATOM 24 O CYS 5 46 270.023 217.683 356.225 1.00129.65 ATOM 25 CB CYS 5 46 269.670 216.213 353.332 1.00 86.91 ATOM 26 N GLU 5 47 268.765 215.799 356.173 1.00 98.32 ATOM 27 CA GLU 5 47 269.122 215.393 357.539 1.00110.13 ATOM 28 C GLU 5 47 270.645 215.319 357.805 1.00106.20 ATOM 29 O GLU 5 47 271.174 215.909 358.758 1.00132.32 ATOM 30 CB GLU 5 47 268.537 214.029 357.812 1.00114.40 ATOM 31 N ASN 5 48 271.322 214.575 356.946 1.00 95.08 ATOM 32 CA ASN 5 48 272.718 214.295 357.178 1.00103.97 ATOM 33 C ASN 5 48 273.577 215.515 357.037 1.00108.83 ATOM 34 O ASN 5 48 274.800 215.407 357.217 1.00132.84 ATOM 35 CB ASN 5 48 273.232 213.232 356.205 1.00125.70 ATOM 36 N CYS 5 49 272.985 216.667 356.711 1.00108.29 ATOM 37 CA CYS 5 49 273.613 217.977 356.881 1.00111.49 ATOM 38 C CYS 5 49 273.110 218.713 358.092 1.00105.02 ATOM 39 O CYS 5 49 273.513 219.879 358.340 1.00124.21 ATOM 40 CB CYS 5 49 273.431 218.841 355.653 1.00116.40 ATOM 41 N SER 5 50 272.293 218.044 358.889 1.00108.42 ATOM 42 CA SER 5 50 271.762 218.659 360.116 1.00119.07 ATOM 43 C SER 5 50 272.625 218.183 361.370 1.00161.90 ATOM 44 O SER 5 50 273.839 218.583 361.511 1.00214.22 ATOM 45 CB SER 5 50 270.290 218.394 360.242 1.00 89.35 ATOM 46 N PHE 5 51 272.023 217.340 362.218 1.00120.69 ATOM 47 CA PHE 5 51 272.663 216.827 363.425 1.00127.45 ATOM 48 C PHE 5 51 273.243 217.923 364.362 1.00146.95 ATOM 49 O PHE 5 51 272.532 218.812 364.777 1.00162.69 ATOM 50 CB PHE 5 51 273.688 215.718 363.105 1.00143.06 ATOM 51 N GLY 5 52 274.514 217.859 364.718 1.00159.35 ATOM 52 CA GLY 5 52 275.084 218.600 365.821 1.00162.97 ATOM 53 C GLY 5 52 275.717 219.916 365.488 1.00142.74 ATOM 54 O GLY 5 52 275.012 220.848 365.145 1.00143.64 ATOM 55 N LYS 5 53 277.022 220.030 365.683 1.00145.83 ATOM 56 CA LYS 5 53 277.651 221.326 365.533 1.00182.37 ATOM 57 C LYS 5 53 277.497 221.789 364.091 1.00193.06 ATOM 58 O LYS 5 53 277.336 222.981 363.809 1.00195.22 ATOM 59 CB LYS 5 53 279.137 221.284 365.912 1.00220.90 ATOM 60 N GLN 5 54 277.562 220.839 363.170 1.00183.91 ATOM 61 CA GLN 5 54 277.553 221.141 361.731 1.00171.06 ATOM 62 C GLN 5 54 276.364 221.895 361.271 1.00137.11 ATOM 63 O GLN 5 54 276.507 222.731 360.406 1.00139.99 ATOM 64 CB GLN 5 54 277.653 219.857 360.935 1.00191.18 TER ATOM 1 N ASP 5 82 266.788 225.502 342.254 1.00 72.20 ATOM 2 CA ASP 5 82 266.160 225.354 343.560 1.00 76.50 ATOM 3 C ASP 5 82 266.154 223.899 343.976 1.00 78.25 ATOM 4 O ASP 5 82 266.847 223.524 344.906 1.00 99.04 ATOM 5 CB ASP 5 82 264.753 225.911 343.521 1.00 89.01 ATOM 6 N LYS 5 83 265.414 223.085 343.255 1.00 73.75 ATOM 7 CA LYS 5 83 265.048 221.787 343.759 1.00 75.39 ATOM 8 C LYS 5 83 265.975 220.638 343.353 1.00 78.20 ATOM 9 O LYS 5 83 265.649 219.469 343.525 1.00 77.00 ATOM 10 CB LYS 5 83 263.655 221.454 343.332 1.00 84.96 ATOM 11 N ASP 5 84 267.177 220.921 342.894 1.00 83.55 ATOM 12 CA ASP 5 84 268.170 219.867 342.720 1.00 96.64 ATOM 13 C ASP 5 84 268.405 219.074 343.990 1.00 88.86 ATOM 14 O ASP 5 84 268.370 217.876 343.953 1.00 97.27 ATOM 15 CB ASP 5 84 269.501 220.430 342.202 1.00106.35 ATOM 16 N GLY 5 85 268.613 219.727 345.122 1.00 80.43 ATOM 17 CA GLY 5 85 269.077 219.029 346.279 1.00 76.36 ATOM 18 C GLY 5 85 269.605 219.928 347.371 1.00 90.38 ATOM 19 O GLY 5 85 269.368 221.097 347.385 1.00100.89 ATOM 20 N CYS 5 86 270.306 219.342 348.314 1.00 95.65 ATOM 21 CA CYS 5 86 270.877 220.054 349.443 1.00 82.45 ATOM 22 C CYS 5 86 271.962 220.963 348.924 1.00 61.95 ATOM 23 O CYS 5 86 272.913 220.495 348.367 1.00 61.27 ATOM 24 CB CYS 5 86 271.482 219.049 350.397 1.00 91.79 ATOM 25 N PRO 5 87 271.819 222.248 349.110 1.00 62.34 ATOM 26 CA PRO 5 87 272.741 223.147 348.564 1.00 63.51 ATOM 27 C PRO 5 87 273.824 223.484 349.503 1.00 68.12 ATOM 28 O PRO 5 87 274.187 224.654 349.623 1.00 92.60 ATOM 29 CB PRO 5 87 271.879 224.365 348.304 1.00 81.58 ATOM 30 N ARG 5 88 274.426 222.478 350.116 1.00 68.94 ATOM 31 CA ARG 5 88 275.418 222.742 351.157 1.00 73.10 ATOM 32 C ARG 5 88 276.813 222.257 350.769 1.00 71.38 ATOM 33 O ARG 5 88 277.008 221.165 350.306 1.00 89.86 ATOM 34 CB ARG 5 88 274.955 222.222 352.491 1.00 79.83 ATOM 35 N ILE 5 89 277.778 223.146 350.938 1.00 69.48 ATOM 36 CA ILE 5 89 279.142 222.937 350.522 1.00 67.70 ATOM 37 C ILE 5 89 279.764 222.123 351.592 1.00 62.90 ATOM 38 O ILE 5 89 279.581 222.353 352.798 1.00 75.36 ATOM 39 CB ILE 5 89 279.874 224.270 350.414 1.00 76.11 ATOM 40 N LEU 5 90 280.497 221.123 351.165 1.00 70.45 ATOM 41 CA LEU 5 90 281.096 220.175 352.084 1.00 75.54 ATOM 42 C LEU 5 90 282.547 220.550 352.375 1.00 81.50 ATOM 43 O LEU 5 90 282.864 220.921 353.528 1.00115.94 ATOM 44 CB LEU 5 90 280.992 218.785 351.491 1.00 81.87 ATOM 45 N ASN 5 91 283.424 220.515 351.374 1.00 71.57 ATOM 46 CA ASN 5 91 284.788 220.850 351.641 1.00 87.22 ATOM 47 C ASN 5 91 285.039 222.339 351.810 1.00 97.28 ATOM 48 O ASN 5 91 284.253 223.158 351.391 1.00 96.97 ATOM 49 CB ASN 5 91 285.654 220.300 350.563 1.00104.91 ATOM 50 N LEU 5 92 286.149 222.682 352.433 1.00109.99 ATOM 51 CA LEU 5 92 286.465 224.105 352.678 1.00104.29 ATOM 52 C LEU 5 92 287.113 224.738 351.455 1.00 93.11 ATOM 53 O LEU 5 92 287.101 225.963 351.327 1.00 82.31 ATOM 54 CB LEU 5 92 287.388 224.273 353.879 1.00109.08 ATOM 55 N GLY 5 93 287.699 223.907 350.585 1.00 74.42 ATOM 56 CA GLY 5 93 288.178 224.365 349.315 1.00 80.95 ATOM 57 C GLY 5 93 289.609 224.853 349.295 1.00 92.47 ATOM 58 O GLY 5 93 290.170 225.099 350.349 1.00 94.96 ATOM 59 N SER 5 94 290.182 225.067 348.111 1.00 98.55 ATOM 60 CA SER 5 94 291.581 225.448 347.976 1.00 88.25 ATOM 61 C SER 5 94 291.816 226.865 348.471 1.00 75.34 ATOM 62 O SER 5 94 292.825 227.111 349.100 1.00 78.71 ATOM 63 CB SER 5 94 291.997 225.340 346.509 1.00105.65 ATOM 64 N ASN 5 95 290.902 227.787 348.195 1.00 80.64 ATOM 65 CA ASN 5 95 291.148 229.188 348.488 1.00 81.80 ATOM 66 C ASN 5 95 291.259 229.420 349.996 1.00 85.21 ATOM 67 O ASN 5 95 292.117 230.162 350.435 1.00 78.33 ATOM 68 CB ASN 5 95 290.031 230.054 347.909 1.00 91.01 ATOM 69 N ARG 5 96 290.351 228.832 350.767 1.00 93.88 ATOM 70 CA ARG 5 96 290.289 229.129 352.188 1.00 95.15 ATOM 71 C ARG 5 96 291.542 228.588 352.876 1.00 97.00 ATOM 72 O ARG 5 96 292.068 229.218 353.790 1.00109.14 ATOM 73 CB ARG 5 96 289.064 228.528 352.834 1.00105.07 ATOM 74 N LEU 5 97 291.969 227.397 352.487 1.00 96.99 ATOM 75 CA LEU 5 97 293.106 226.771 353.144 1.00101.81 ATOM 76 C LEU 5 97 294.367 227.589 352.890 1.00107.12 ATOM 77 O LEU 5 97 295.168 227.830 353.796 1.00124.14 ATOM 78 CB LEU 5 97 293.315 225.361 352.661 1.00102.18 ATOM 79 N ASP 5 98 294.555 227.926 351.643 1.00104.93 ATOM 80 CA ASP 5 98 295.811 228.500 351.262 1.00114.08 ATOM 81 C ASP 5 98 296.037 229.848 351.843 1.00104.31 ATOM 82 O ASP 5 98 297.159 230.158 352.182 1.00102.06 ATOM 83 CB ASP 5 98 295.966 228.506 349.753 1.00135.67 ATOM 84 N ARG 5 99 294.988 230.652 352.013 1.00101.22 ATOM 85 CA ARG 5 99 295.078 231.902 352.810 1.00106.21 ATOM 86 C ARG 5 99 295.559 231.596 354.207 1.00104.03 ATOM 87 O ARG 5 99 296.445 232.296 354.724 1.00142.91 ATOM 88 CB ARG 5 99 293.711 232.590 353.037 1.00123.39 ATOM 89 N HIS 5 100 294.970 230.542 354.763 1.00105.34 ATOM 90 CA HIS 5 100 295.156 230.222 356.166 1.00115.97 ATOM 91 C HIS 5 100 296.639 229.927 356.489 1.00117.88 ATOM 92 O HIS 5 100 297.181 230.427 357.457 1.00139.66 ATOM 93 CB HIS 5 100 294.252 229.092 356.570 1.00114.36 ATOM 94 N PHE 5 101 297.272 229.114 355.671 1.00110.39 ATOM 95 CA PHE 5 101 298.627 228.697 355.944 1.00117.71 ATOM 96 C PHE 5 101 299.641 229.812 355.706 1.00119.60 ATOM 97 O PHE 5 101 300.583 229.916 356.451 1.00119.36 ATOM 98 CB PHE 5 101 298.965 227.432 355.199 1.00118.94 ATOM 99 N GLU 5 102 299.399 230.633 354.714 1.00126.76 ATOM 100 CA GLU 5 102 300.305 231.743 354.420 1.00143.42 ATOM 101 C GLU 5 102 300.335 232.724 355.577 1.00162.54 ATOM 102 O GLU 5 102 301.406 233.180 355.983 1.00170.10 ATOM 103 CB GLU 5 102 299.921 232.415 353.093 1.00166.41 ATOM 104 N LYS 5 103 299.163 233.003 356.132 1.00180.63 ATOM 105 CA LYS 5 103 299.084 233.915 357.288 1.00190.70 ATOM 106 C LYS 5 103 299.797 233.272 358.472 1.00200.26 ATOM 107 O LYS 5 103 300.571 233.914 359.190 1.00196.54 ATOM 108 CB LYS 5 103 297.637 234.298 357.658 1.00190.75 ATOM 109 N LYS 5 104 299.512 231.971 358.657 1.00191.76 ATOM 110 CA LYS 5 104 300.194 231.099 359.611 1.00182.43 ATOM 111 C LYS 5 104 299.192 230.073 360.166 1.00154.81 ATOM 112 O LYS 5 104 299.546 228.946 360.510 1.00144.66 ATOM 113 CB LYS 5 104 300.860 231.903 360.746 1.00196.29 TER