HEADER SPLICING 24-APR-17 5NRL TITLE Structure of a pre-catalytic spliceosome COMPND MOL_ID: 26; COMPND 2 MOLECULE: Pre-mRNA-splicing factor RDS3; COMPND 3 CHAIN: S; COMPND 4 Pre-mRNA-splicing factor RDS3; EXPDTA ELECTRON MICROSCOPY DBREF 5NRL S 1 107 UNP Q06835 RDS3_YEAST 1 107 SEQRES 1 S 16 GLY LYS CYS PRO ILE CYS ASP SER TYR VAL ARG PRO LYS SEQRES 2 S 16 ARG LYS VAL SEQRES 1 S 13 PHE TYR CYS TRP GLU CYS CYS ARG LEU GLY LYS ASP LYS ATOM 1 N GLY S 28 354.698 425.344 357.885 1.00105.65 ATOM 2 CA GLY S 28 354.085 424.030 357.798 1.00103.82 ATOM 3 C GLY S 28 353.494 423.524 359.095 1.00 97.16 ATOM 4 O GLY S 28 352.808 422.495 359.098 1.00 99.95 ATOM 5 N LYS S 29 353.750 424.216 360.201 1.00110.56 ATOM 6 CA LYS S 29 353.275 423.794 361.514 1.00112.92 ATOM 7 C LYS S 29 351.889 424.356 361.784 1.00114.39 ATOM 8 O LYS S 29 351.647 425.550 361.585 1.00114.92 ATOM 9 CB LYS S 29 354.233 424.223 362.627 1.00 62.18 ATOM 10 CG LYS S 29 355.438 423.328 362.783 1.00 73.80 ATOM 11 CD LYS S 29 356.294 423.737 363.965 1.00 84.41 ATOM 12 CE LYS S 29 357.027 425.035 363.700 1.00 86.52 ATOM 13 NZ LYS S 29 358.014 424.812 362.611 1.00 88.98 ATOM 14 N CYS S 30 350.991 423.493 362.243 1.00181.71 ATOM 15 CA CYS S 30 349.754 423.960 362.844 1.00178.68 ATOM 16 C CYS S 30 350.068 424.629 364.180 1.00175.74 ATOM 17 O CYS S 30 350.561 423.969 365.101 1.00175.44 ATOM 18 CB CYS S 30 348.790 422.792 363.049 1.00184.43 ATOM 19 SG CYS S 30 347.207 423.219 363.805 1.00193.00 ATOM 20 N PRO S 31 349.786 425.927 364.327 1.00216.42 ATOM 21 CA PRO S 31 350.292 426.672 365.491 1.00219.38 ATOM 22 C PRO S 31 349.926 426.083 366.841 1.00225.32 ATOM 23 O PRO S 31 350.572 426.433 367.836 1.00234.66 ATOM 24 CB PRO S 31 349.657 428.053 365.314 1.00239.95 ATOM 25 CG PRO S 31 349.467 428.177 363.855 1.00243.84 ATOM 26 CD PRO S 31 349.083 426.805 363.379 1.00243.44 ATOM 27 N ILE S 32 348.925 425.214 366.916 1.00165.96 ATOM 28 CA ILE S 32 348.579 424.574 368.178 1.00167.19 ATOM 29 C ILE S 32 349.414 423.315 368.355 1.00168.19 ATOM 30 O ILE S 32 350.266 423.239 369.247 1.00173.79 ATOM 31 CB ILE S 32 347.079 424.246 368.244 1.00176.21 ATOM 32 CG1 ILE S 32 346.250 425.512 368.028 1.00178.40 ATOM 33 CG2 ILE S 32 346.740 423.609 369.576 1.00181.56 ATOM 34 CD1 ILE S 32 346.526 426.594 369.040 1.00183.03 ATOM 35 N CYS S 33 349.182 422.324 367.497 1.00110.42 ATOM 36 CA CYS S 33 349.799 421.015 367.656 1.00112.73 ATOM 37 C CYS S 33 351.151 420.889 366.971 1.00112.96 ATOM 38 O CYS S 33 351.835 419.883 367.188 1.00116.63 ATOM 39 CB CYS S 33 348.871 419.937 367.109 1.00 65.67 ATOM 40 SG CYS S 33 348.468 420.204 365.381 1.00 59.79 ATOM 41 N ASP S 34 351.547 421.863 366.153 1.00124.87 ATOM 42 CA ASP S 34 352.796 421.792 365.395 1.00133.63 ATOM 43 C ASP S 34 352.833 420.547 364.514 1.00124.95 ATOM 44 O ASP S 34 353.800 419.784 364.522 1.00130.65 ATOM 45 CB ASP S 34 354.013 421.840 366.321 1.00 72.23 ATOM 46 CG ASP S 34 354.188 423.192 366.979 1.00 88.91 ATOM 47 OD1 ASP S 34 353.578 424.169 366.499 1.00102.99 ATOM 48 OD2 ASP S 34 354.933 423.279 367.976 1.00 89.14 ATOM 49 N SER S 35 351.768 420.336 363.748 1.00111.31 ATOM 50 CA SER S 35 351.665 419.206 362.838 1.00115.35 ATOM 51 C SER S 35 351.810 419.684 361.401 1.00114.79 ATOM 52 O SER S 35 351.405 420.799 361.061 1.00124.89 ATOM 53 CB SER S 35 350.336 418.472 363.010 1.00 56.40 ATOM 54 OG SER S 35 350.230 417.398 362.093 1.00 61.68 ATOM 55 N TYR S 36 352.394 418.835 360.565 1.00 95.83 ATOM 56 CA TYR S 36 352.695 419.169 359.182 1.00 96.37 ATOM 57 C TYR S 36 351.651 418.673 358.193 1.00 97.02 ATOM 58 O TYR S 36 351.816 418.888 356.988 1.00108.66 ATOM 59 CB TYR S 36 354.063 418.596 358.813 1.00 97.07 ATOM 60 CG TYR S 36 355.188 419.211 359.601 1.00103.79 ATOM 61 CD1 TYR S 36 355.291 420.585 359.729 1.00111.60 ATOM 62 CD2 TYR S 36 356.115 418.418 360.260 1.00108.79 ATOM 63 CE1 TYR S 36 356.309 421.153 360.451 1.00112.75 ATOM 64 CE2 TYR S 36 357.133 418.981 360.998 1.00111.47 ATOM 65 CZ TYR S 36 357.223 420.352 361.091 1.00118.62 ATOM 66 OH TYR S 36 358.236 420.927 361.822 1.00128.54 ATOM 67 N VAL S 37 350.586 418.027 358.655 1.00 90.73 ATOM 68 CA VAL S 37 349.697 417.265 357.786 1.00 97.94 ATOM 69 C VAL S 37 348.431 418.065 357.516 1.00 94.99 ATOM 70 O VAL S 37 347.921 418.759 358.403 1.00 92.46 ATOM 71 CB VAL S 37 349.365 415.891 358.395 1.00 74.91 ATOM 72 CG1 VAL S 37 348.590 416.042 359.696 1.00 78.38 ATOM 73 CG2 VAL S 37 348.604 415.031 357.395 1.00 87.30 ATOM 74 N ARG S 38 347.946 417.982 356.269 1.00107.78 ATOM 75 CA ARG S 38 346.643 418.413 355.765 1.00105.59 ATOM 76 C ARG S 38 346.099 419.664 356.451 1.00 95.78 ATOM 77 O ARG S 38 345.048 419.615 357.101 1.00 94.62 ATOM 78 CB ARG S 38 345.644 417.255 355.863 1.00 58.38 ATOM 79 CG ARG S 38 345.443 416.665 357.252 1.00 67.56 ATOM 80 CD ARG S 38 344.451 415.524 357.210 1.00 80.98 ATOM 81 NE ARG S 38 343.146 415.982 356.747 1.00 72.14 ATOM 82 CZ ARG S 38 342.093 415.192 356.582 1.00 65.89 ATOM 83 NH1 ARG S 38 342.187 413.900 356.847 1.00 58.02 ATOM 84 NH2 ARG S 38 340.944 415.696 356.157 1.00 70.67 ATOM 85 N PRO S 39 346.770 420.807 356.312 1.00102.32 ATOM 86 CA PRO S 39 346.271 422.044 356.931 1.00101.16 ATOM 87 C PRO S 39 344.948 422.460 356.303 1.00100.65 ATOM 88 O PRO S 39 344.641 422.085 355.170 1.00100.13 ATOM 89 CB PRO S 39 347.383 423.053 356.639 1.00111.21 ATOM 90 CG PRO S 39 348.014 422.547 355.398 1.00113.32 ATOM 91 CD PRO S 39 347.972 421.051 355.498 1.00114.20 ATOM 92 N LYS S 40 344.160 423.238 357.050 1.00 82.32 ATOM 93 CA LYS S 40 342.812 423.567 356.595 1.00 83.51 ATOM 94 C LYS S 40 342.607 425.072 356.491 1.00 84.49 ATOM 95 O LYS S 40 342.580 425.630 355.389 1.00 84.25 ATOM 96 CB LYS S 40 341.781 422.970 357.545 1.00 67.80 ATOM 97 CG LYS S 40 341.903 421.482 357.743 1.00 76.30 ATOM 98 CD LYS S 40 341.601 420.683 356.493 1.00 82.71 ATOM 99 CE LYS S 40 340.103 420.604 356.265 1.00 99.67 ATOM 100 NZ LYS S 40 339.746 419.648 355.181 1.00100.27 ATOM 101 N ARG S 41 342.458 425.746 357.629 1.00107.02 ATOM 102 CA ARG S 41 342.027 427.135 357.644 1.00105.13 ATOM 103 C ARG S 41 343.160 428.031 358.108 1.00 98.94 ATOM 104 O ARG S 41 343.907 427.677 359.024 1.00 99.76 ATOM 105 CB ARG S 41 340.818 427.335 358.556 1.00 66.84 ATOM 106 CG ARG S 41 339.606 426.549 358.122 1.00 80.25 ATOM 107 CD ARG S 41 338.394 426.890 358.958 1.00 88.89 ATOM 108 NE ARG S 41 337.249 426.070 358.582 1.00 96.79 ATOM 109 CZ ARG S 41 336.068 426.122 359.181 1.00104.68 ATOM 110 NH1 ARG S 41 335.868 426.969 360.181 1.00103.96 ATOM 111 NH2 ARG S 41 335.082 425.335 358.774 1.00116.26 ATOM 112 N LYS S 42 343.264 429.201 357.484 1.00181.70 ATOM 113 CA LYS S 42 344.309 430.143 357.846 1.00185.41 ATOM 114 C LYS S 42 344.056 430.707 359.234 1.00177.38 ATOM 115 O LYS S 42 342.914 430.953 359.627 1.00177.89 ATOM 116 CB LYS S 42 344.391 431.269 356.816 1.00200.93 ATOM 117 CG LYS S 42 343.132 432.103 356.709 1.00210.22 ATOM 118 CD LYS S 42 343.263 433.167 355.636 1.00222.93 ATOM 119 CE LYS S 42 341.977 433.964 355.501 1.00239.44 ATOM 120 NZ LYS S 42 342.063 434.996 354.434 1.00251.16 ATOM 121 N VAL S 43 345.139 430.891 359.991 1.00170.91 ATOM 122 CA VAL S 43 345.008 431.441 361.330 1.00172.73 ATOM 123 C VAL S 43 344.517 432.872 361.234 1.00172.82 ATOM 124 O VAL S 43 344.819 433.594 360.275 1.00173.08 ATOM 125 CB VAL S 43 346.343 431.373 362.086 1.00138.41 ATOM 126 CG1 VAL S 43 346.781 429.938 362.257 1.00137.06 ATOM 127 CG2 VAL S 43 347.400 432.182 361.361 1.00149.57 TER ATOM 1 N PHE S 71 348.275 427.805 358.870 1.00 85.88 ATOM 2 CA PHE S 71 347.005 427.108 358.738 1.00 87.07 ATOM 3 C PHE S 71 346.841 426.142 359.899 1.00 81.97 ATOM 4 O PHE S 71 347.822 425.566 360.375 1.00 81.71 ATOM 5 CB PHE S 71 346.905 426.337 357.420 1.00165.79 ATOM 6 CG PHE S 71 346.948 427.198 356.190 1.00173.95 ATOM 7 CD1 PHE S 71 346.765 428.562 356.268 1.00176.12 ATOM 8 CD2 PHE S 71 347.139 426.629 354.946 1.00188.47 ATOM 9 CE1 PHE S 71 346.796 429.347 355.138 1.00187.48 ATOM 10 CE2 PHE S 71 347.169 427.409 353.809 1.00192.31 ATOM 11 CZ PHE S 71 346.998 428.770 353.906 1.00191.57 ATOM 12 N TYR S 72 345.605 425.976 360.355 1.00 76.15 ATOM 13 CA TYR S 72 345.299 424.921 361.309 1.00 76.15 ATOM 14 C TYR S 72 345.189 423.587 360.587 1.00 76.18 ATOM 15 O TYR S 72 344.785 423.528 359.422 1.00 77.30 ATOM 16 CB TYR S 72 343.990 425.211 362.029 1.00 49.92 ATOM 17 CG TYR S 72 344.013 426.414 362.926 1.00 52.15 ATOM 18 CD1 TYR S 72 343.704 427.668 362.434 1.00 54.56 ATOM 19 CD2 TYR S 72 344.340 426.296 364.266 1.00 53.95 ATOM 20 CE1 TYR S 72 343.713 428.770 363.251 1.00 54.39 ATOM 21 CE2 TYR S 72 344.352 427.394 365.092 1.00 54.22 ATOM 22 CZ TYR S 72 344.040 428.628 364.575 1.00 54.27 ATOM 23 OH TYR S 72 344.049 429.732 365.386 1.00 53.79 ATOM 24 N CYS S 73 345.531 422.508 361.285 1.00103.10 ATOM 25 CA CYS S 73 345.389 421.199 360.672 1.00104.91 ATOM 26 C CYS S 73 343.936 420.742 360.729 1.00105.75 ATOM 27 O CYS S 73 343.071 421.383 361.329 1.00107.26 ATOM 28 CB CYS S 73 346.265 420.171 361.377 1.00212.24 ATOM 29 SG CYS S 73 345.820 419.938 363.101 1.00214.84 ATOM 30 N TRP S 74 343.683 419.579 360.128 1.00 56.60 ATOM 31 CA TRP S 74 342.326 419.048 360.115 1.00 59.70 ATOM 32 C TRP S 74 341.982 418.383 361.435 1.00 61.32 ATOM 33 O TRP S 74 340.805 418.154 361.736 1.00 66.69 ATOM 34 CB TRP S 74 342.162 418.070 358.960 1.00 33.55 ATOM 35 CG TRP S 74 340.818 417.448 358.882 1.00 34.58 ATOM 36 CD1 TRP S 74 339.720 417.949 358.261 1.00 35.54 ATOM 37 CD2 TRP S 74 340.434 416.192 359.429 1.00 38.92 ATOM 38 NE1 TRP S 74 338.662 417.082 358.388 1.00 36.88 ATOM 39 CE2 TRP S 74 339.079 415.994 359.106 1.00 41.15 ATOM 40 CE3 TRP S 74 341.103 415.213 360.165 1.00 48.63 ATOM 41 CZ2 TRP S 74 338.385 414.861 359.490 1.00 52.89 ATOM 42 CZ3 TRP S 74 340.412 414.092 360.546 1.00 60.68 ATOM 43 CH2 TRP S 74 339.066 413.922 360.209 1.00 61.46 ATOM 44 N GLU S 75 342.993 418.051 362.230 1.00 55.78 ATOM 45 CA GLU S 75 342.719 417.506 363.550 1.00 58.50 ATOM 46 C GLU S 75 342.367 418.613 364.533 1.00 56.05 ATOM 47 O GLU S 75 341.473 418.447 365.369 1.00 56.35 ATOM 48 CB GLU S 75 343.912 416.686 364.028 1.00206.33 ATOM 49 CG GLU S 75 344.156 415.460 363.173 1.00214.06 ATOM 50 CD GLU S 75 345.391 414.699 363.586 1.00217.95 ATOM 51 OE1 GLU S 75 346.158 415.219 364.421 1.00220.33 ATOM 52 OE2 GLU S 75 345.600 413.579 363.075 1.00217.17 ATOM 53 N CYS S 76 343.041 419.761 364.440 1.00 36.90 ATOM 54 CA CYS S 76 342.671 420.884 365.294 1.00 39.28 ATOM 55 C CYS S 76 341.385 421.545 364.821 1.00 38.72 ATOM 56 O CYS S 76 340.621 422.074 365.636 1.00 43.77 ATOM 57 CB CYS S 76 343.801 421.908 365.358 1.00 88.77 ATOM 58 SG CYS S 76 345.246 421.374 366.289 1.00 95.38 ATOM 59 N CYS S 77 341.125 421.540 363.512 1.00 35.94 ATOM 60 CA CYS S 77 339.877 422.124 363.034 1.00 38.01 ATOM 61 C CYS S 77 338.672 421.322 363.507 1.00 32.60 ATOM 62 O CYS S 77 337.590 421.881 363.718 1.00 33.56 ATOM 63 CB CYS S 77 339.885 422.244 361.511 1.00148.41 ATOM 64 SG CYS S 77 340.976 423.531 360.873 1.00157.84 ATOM 65 N ARG S 78 338.834 420.007 363.677 1.00 37.37 ATOM 66 CA ARG S 78 337.750 419.215 364.249 1.00 40.60 ATOM 67 C ARG S 78 337.733 419.314 365.769 1.00 36.83 ATOM 68 O ARG S 78 336.660 419.373 366.380 1.00 39.09 ATOM 69 CB ARG S 78 337.846 417.758 363.798 1.00178.04 ATOM 70 CG ARG S 78 336.785 416.883 364.443 1.00187.31 ATOM 71 CD ARG S 78 336.775 415.467 363.900 1.00189.39 ATOM 72 NE ARG S 78 336.218 415.420 362.551 1.00196.56 ATOM 73 CZ ARG S 78 336.094 414.312 361.829 1.00207.66 ATOM 74 NH1 ARG S 78 336.497 413.147 362.319 1.00209.43 ATOM 75 NH2 ARG S 78 335.570 414.368 360.614 1.00216.01 ATOM 76 N LEU S 79 338.909 419.338 366.401 1.00 32.12 ATOM 77 CA LEU S 79 338.950 419.524 367.849 1.00 33.26 ATOM 78 C LEU S 79 338.456 420.907 368.241 1.00 34.30 ATOM 79 O LEU S 79 338.275 421.196 369.430 1.00 38.38 ATOM 80 CB LEU S 79 340.362 419.286 368.381 1.00 44.89 ATOM 81 CG LEU S 79 340.840 417.837 368.393 1.00 46.04 ATOM 82 CD1 LEU S 79 342.297 417.751 368.810 1.00 47.92 ATOM 83 CD2 LEU S 79 339.970 417.035 369.338 1.00 46.37 ATOM 84 N GLY S 80 338.234 421.777 367.261 1.00 35.25 ATOM 85 CA GLY S 80 337.728 423.106 367.509 1.00 34.03 ATOM 86 C GLY S 80 338.760 424.099 367.985 1.00 33.25 ATOM 87 O GLY S 80 338.443 425.290 368.089 1.00 32.39 ATOM 88 N LYS S 81 339.984 423.652 368.280 1.00 42.69 ATOM 89 CA LYS S 81 341.026 424.575 368.718 1.00 48.09 ATOM 90 C LYS S 81 341.292 425.638 367.664 1.00 47.11 ATOM 91 O LYS S 81 341.840 426.704 367.969 1.00 45.50 ATOM 92 CB LYS S 81 342.303 423.804 369.042 1.00157.50 ATOM 93 CG LYS S 81 342.179 422.877 370.233 1.00171.14 ATOM 94 CD LYS S 81 343.457 422.088 370.429 1.00180.03 ATOM 95 CE LYS S 81 343.362 421.163 371.624 1.00197.55 ATOM 96 NZ LYS S 81 344.600 420.354 371.765 1.00215.00 ATOM 97 N ASP S 82 340.918 425.355 366.414 1.00 20.38 ATOM 98 CA ASP S 82 340.905 426.377 365.375 1.00 24.60 ATOM 99 C ASP S 82 340.199 427.635 365.856 1.00 22.72 ATOM 100 O ASP S 82 340.725 428.745 365.724 1.00 35.60 ATOM 101 CB ASP S 82 340.220 425.818 364.123 1.00 21.69 ATOM 102 CG ASP S 82 340.165 426.813 362.969 1.00 36.57 ATOM 103 OD1 ASP S 82 340.702 427.933 363.088 1.00 44.25 ATOM 104 OD2 ASP S 82 339.572 426.466 361.927 1.00 50.78 ATOM 105 N LYS S 83 339.012 427.478 366.432 1.00 32.90 ATOM 106 CA LYS S 83 338.206 428.630 366.796 1.00 31.04 ATOM 107 C LYS S 83 338.408 429.058 368.240 1.00 30.73 ATOM 108 O LYS S 83 337.720 429.979 368.693 1.00 33.75 ATOM 109 CB LYS S 83 336.741 428.307 366.533 1.00105.79 ATOM 110 CG LYS S 83 336.462 428.018 365.080 1.00107.51 ATOM 111 CD LYS S 83 334.996 427.764 364.831 1.00113.24 ATOM 112 CE LYS S 83 334.750 427.541 363.353 1.00117.34 ATOM 113 NZ LYS S 83 335.263 426.203 362.946 1.00119.94 ATOM 114 ZN ZN S1002 346.683 421.152 364.648 1.00 19.20 TER