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 7 LEU LEU CYS GLU LYS CYS ASP SEQRES 1 S 16 ALA LYS ASN CYS ILE ILE CYS ASN LEU ASN VAL GLY VAL SEQRES 2 S 16 ASN ASP ALA ATOM 1 N LEU S 21 351.180 435.596 360.377 1.00215.58 ATOM 2 CA LEU S 21 352.283 435.200 359.518 1.00218.91 ATOM 3 C LEU S 21 353.249 434.301 360.274 1.00214.82 ATOM 4 O LEU S 21 353.472 434.472 361.475 1.00212.66 ATOM 5 CB LEU S 21 353.017 436.432 358.993 1.00207.98 ATOM 6 CG LEU S 21 352.225 437.370 358.082 1.00212.56 ATOM 7 CD1 LEU S 21 353.032 438.618 357.783 1.00218.18 ATOM 8 CD2 LEU S 21 351.847 436.667 356.798 1.00213.19 ATOM 9 N LEU S 22 353.820 433.330 359.566 1.00182.64 ATOM 10 CA LEU S 22 354.894 432.511 360.110 1.00182.13 ATOM 11 C LEU S 22 356.078 432.528 359.156 1.00181.13 ATOM 12 O LEU S 22 355.900 432.664 357.942 1.00181.46 ATOM 13 CB LEU S 22 354.437 431.069 360.382 1.00221.93 ATOM 14 CG LEU S 22 353.773 430.197 359.316 1.00221.89 ATOM 15 CD1 LEU S 22 354.726 429.773 358.233 1.00225.46 ATOM 16 CD2 LEU S 22 353.238 428.960 359.996 1.00221.45 ATOM 17 N CYS S 23 357.280 432.404 359.712 1.00111.46 ATOM 18 CA CYS S 23 358.488 432.432 358.901 1.00116.98 ATOM 19 C CYS S 23 358.667 431.120 358.153 1.00122.65 ATOM 20 O CYS S 23 358.082 430.092 358.508 1.00133.47 ATOM 21 CB CYS S 23 359.710 432.713 359.774 1.00133.23 ATOM 22 SG CYS S 23 359.913 431.568 361.148 1.00131.11 ATOM 23 N GLU S 24 359.481 431.172 357.095 1.00111.45 ATOM 24 CA GLU S 24 359.823 429.969 356.343 1.00124.35 ATOM 25 C GLU S 24 360.442 428.905 357.235 1.00113.88 ATOM 26 O GLU S 24 360.347 427.709 356.936 1.00108.81 ATOM 27 CB GLU S 24 360.792 430.319 355.213 1.00120.34 ATOM 28 CG GLU S 24 360.213 431.228 354.146 1.00133.66 ATOM 29 CD GLU S 24 361.238 431.616 353.098 1.00149.01 ATOM 30 OE1 GLU S 24 362.436 431.320 353.296 1.00156.87 ATOM 31 OE2 GLU S 24 360.849 432.224 352.080 1.00154.00 ATOM 32 N LYS S 25 361.087 429.319 358.325 1.00150.98 ATOM 33 CA LYS S 25 361.684 428.363 359.246 1.00155.44 ATOM 34 C LYS S 25 360.620 427.551 359.973 1.00148.35 ATOM 35 O LYS S 25 360.792 426.345 360.180 1.00149.24 ATOM 36 CB LYS S 25 362.578 429.096 360.242 1.00 31.33 ATOM 37 CG LYS S 25 363.318 428.189 361.199 1.00 39.25 ATOM 38 CD LYS S 25 364.225 429.005 362.101 1.00 46.35 ATOM 39 CE LYS S 25 364.964 428.121 363.085 1.00 50.53 ATOM 40 NZ LYS S 25 365.859 428.918 363.966 1.00 50.60 ATOM 41 N CYS S 26 359.520 428.192 360.363 1.00142.36 ATOM 42 CA CYS S 26 358.416 427.527 361.033 1.00138.96 ATOM 43 C CYS S 26 357.343 427.045 360.064 1.00135.70 ATOM 44 O CYS S 26 356.291 426.567 360.508 1.00139.22 ATOM 45 CB CYS S 26 357.794 428.451 362.080 1.00202.07 ATOM 46 SG CYS S 26 358.863 428.858 363.477 1.00215.57 ATOM 47 N ASP S 27 357.576 427.173 358.761 1.00126.67 ATOM 48 CA ASP S 27 356.543 426.898 357.774 1.00130.04 ATOM 49 C ASP S 27 356.021 425.470 357.893 1.00127.58 ATOM 50 O ASP S 27 356.786 424.507 357.986 1.00126.82 ATOM 51 CB ASP S 27 357.085 427.138 356.366 1.00157.70 ATOM 52 CG ASP S 27 356.018 427.006 355.295 1.00171.02 ATOM 53 OD1 ASP S 27 354.830 426.826 355.637 1.00184.17 ATOM 54 OD2 ASP S 27 356.373 427.086 354.101 1.00172.80 TER ATOM 1 N ALA S 55 353.358 442.694 363.978 1.00117.79 ATOM 2 CA ALA S 55 352.490 441.941 363.078 1.00129.04 ATOM 3 C ALA S 55 353.300 441.046 362.149 1.00136.82 ATOM 4 O ALA S 55 352.831 439.988 361.717 1.00151.62 ATOM 5 CB ALA S 55 351.622 442.899 362.265 1.00135.74 ATOM 6 N LYS S 56 354.525 441.462 361.830 1.00170.27 ATOM 7 CA LYS S 56 355.318 440.731 360.849 1.00181.98 ATOM 8 C LYS S 56 355.967 439.500 361.465 1.00177.39 ATOM 9 O LYS S 56 356.480 438.633 360.747 1.00173.89 ATOM 10 CB LYS S 56 356.378 441.652 360.253 1.00230.12 ATOM 11 CG LYS S 56 355.816 442.802 359.444 1.00252.19 ATOM 12 CD LYS S 56 356.933 443.625 358.829 1.00273.96 ATOM 13 CE LYS S 56 356.383 444.718 357.934 1.00281.97 ATOM 14 NZ LYS S 56 355.783 445.822 358.731 1.00279.26 ATOM 15 N ASN S 57 355.952 439.402 362.791 1.00177.95 ATOM 16 CA ASN S 57 356.633 438.313 363.473 1.00177.41 ATOM 17 C ASN S 57 355.946 436.985 363.191 1.00166.71 ATOM 18 O ASN S 57 354.769 436.940 362.826 1.00166.37 ATOM 19 CB ASN S 57 356.664 438.578 364.977 1.00143.80 ATOM 20 CG ASN S 57 357.522 439.765 365.338 1.00159.14 ATOM 21 OD1 ASN S 57 358.426 440.141 364.593 1.00160.45 ATOM 22 ND2 ASN S 57 357.241 440.369 366.484 1.00161.00 ATOM 23 N CYS S 58 356.695 435.899 363.363 1.00175.65 ATOM 24 CA CYS S 58 356.140 434.554 363.254 1.00167.19 ATOM 25 C CYS S 58 355.307 434.287 364.498 1.00161.66 ATOM 26 O CYS S 58 355.811 434.376 365.618 1.00163.71 ATOM 27 CB CYS S 58 357.259 433.526 363.105 1.00196.42 ATOM 28 SG CYS S 58 356.710 431.809 362.965 1.00219.50 ATOM 29 N ILE S 59 354.033 433.954 364.311 1.00103.55 ATOM 30 CA ILE S 59 353.130 433.768 365.441 1.00 99.88 ATOM 31 C ILE S 59 353.591 432.573 366.262 1.00102.94 ATOM 32 O ILE S 59 353.187 432.403 367.417 1.00106.21 ATOM 33 CB ILE S 59 351.677 433.578 364.974 1.00102.67 ATOM 34 CG1 ILE S 59 351.548 432.293 364.165 1.00104.25 ATOM 35 CG2 ILE S 59 351.233 434.761 364.137 1.00104.28 ATOM 36 CD1 ILE S 59 350.122 431.929 363.844 1.00106.80 ATOM 37 N ILE S 60 354.437 431.733 365.670 1.00100.81 ATOM 38 CA ILE S 60 354.926 430.548 366.363 1.00105.62 ATOM 39 C ILE S 60 356.179 430.867 367.164 1.00109.56 ATOM 40 O ILE S 60 356.194 430.744 368.394 1.00109.95 ATOM 41 CB ILE S 60 355.177 429.410 365.361 1.00 75.82 ATOM 42 CG1 ILE S 60 353.862 428.976 364.716 1.00 74.73 ATOM 43 CG2 ILE S 60 355.835 428.240 366.054 1.00 78.37 ATOM 44 CD1 ILE S 60 354.041 428.032 363.553 1.00 78.49 ATOM 45 N CYS S 61 357.257 431.265 366.490 1.00265.33 ATOM 46 CA CYS S 61 358.526 431.481 367.172 1.00267.01 ATOM 47 C CYS S 61 358.695 432.900 367.692 1.00269.29 ATOM 48 O CYS S 61 359.704 433.189 368.334 1.00270.08 ATOM 49 CB CYS S 61 359.701 431.145 366.247 1.00349.64 ATOM 50 SG CYS S 61 359.828 432.148 364.758 1.00349.17 ATOM 51 N ASN S 62 357.767 433.801 367.369 1.00367.78 ATOM 52 CA ASN S 62 357.603 435.175 367.867 1.00376.49 ATOM 53 C ASN S 62 358.789 436.073 367.528 1.00372.30 ATOM 54 O ASN S 62 358.726 437.274 367.810 1.00373.87 ATOM 55 CB ASN S 62 357.300 435.253 369.378 1.00371.21 ATOM 56 CG ASN S 62 358.464 434.839 370.265 1.00373.23 ATOM 57 OD1 ASN S 62 359.623 435.163 370.008 1.00375.28 ATOM 58 ND2 ASN S 62 358.151 434.106 371.324 1.00387.13 ATOM 59 N LEU S 63 359.863 435.544 366.948 1.00356.30 ATOM 60 CA LEU S 63 361.064 436.322 366.671 1.00362.19 ATOM 61 C LEU S 63 361.196 436.709 365.203 1.00354.54 ATOM 62 O LEU S 63 361.177 437.897 364.870 1.00347.54 ATOM 63 CB LEU S 63 362.304 435.542 367.115 1.00377.67 ATOM 64 CG LEU S 63 363.636 436.236 366.835 1.00394.99 ATOM 65 CD1 LEU S 63 363.726 437.545 367.598 1.00401.43 ATOM 66 CD2 LEU S 63 364.798 435.326 367.187 1.00397.97 ATOM 67 N ASN S 64 361.333 435.727 364.319 1.00261.56 ATOM 68 CA ASN S 64 361.592 435.985 362.912 1.00267.99 ATOM 69 C ASN S 64 360.395 436.647 362.241 1.00262.35 ATOM 70 O ASN S 64 359.266 436.587 362.734 1.00273.32 ATOM 71 CB ASN S 64 361.930 434.683 362.191 1.00312.15 ATOM 72 CG ASN S 64 363.163 434.016 362.751 1.00331.72 ATOM 73 OD1 ASN S 64 363.159 432.818 363.035 1.00333.62 ATOM 74 ND2 ASN S 64 364.227 434.789 362.923 1.00344.09 ATOM 75 N VAL S 65 360.657 437.286 361.101 1.00195.10 ATOM 76 CA VAL S 65 359.597 437.929 360.336 1.00199.60 ATOM 77 C VAL S 65 359.041 436.957 359.302 1.00191.72 ATOM 78 O VAL S 65 359.743 436.527 358.377 1.00187.51 ATOM 79 CB VAL S 65 360.115 439.226 359.691 1.00151.84 ATOM 80 CG1 VAL S 65 361.373 438.974 358.864 1.00154.52 ATOM 81 CG2 VAL S 65 359.040 439.847 358.824 1.00154.00 ATOM 82 N GLY S 66 357.777 436.581 359.467 1.00241.27 ATOM 83 CA GLY S 66 357.205 435.592 358.575 1.00243.96 ATOM 84 C GLY S 66 356.627 436.098 357.271 1.00239.88 ATOM 85 O GLY S 66 355.959 437.135 357.235 1.00242.32 ATOM 86 N VAL S 67 356.881 435.363 356.186 1.00284.90 ATOM 87 CA VAL S 67 356.171 435.606 354.935 1.00290.90 ATOM 88 C VAL S 67 354.867 434.812 354.878 1.00289.05 ATOM 89 O VAL S 67 353.823 435.336 354.472 1.00291.72 ATOM 90 CB VAL S 67 357.088 435.295 353.737 1.00356.50 ATOM 91 CG1 VAL S 67 358.231 436.287 353.692 1.00366.23 ATOM 92 CG2 VAL S 67 357.639 433.883 353.829 1.00359.36 ATOM 93 N ASN S 68 354.906 433.543 355.277 1.00175.67 ATOM 94 CA ASN S 68 353.816 432.616 355.015 1.00174.19 ATOM 95 C ASN S 68 352.702 432.745 356.050 1.00171.36 ATOM 96 O ASN S 68 352.910 433.186 357.182 1.00162.66 ATOM 97 CB ASN S 68 354.334 431.182 354.989 1.00184.22 ATOM 98 CG ASN S 68 355.242 430.918 353.812 1.00185.85 ATOM 99 OD1 ASN S 68 355.180 431.614 352.799 1.00191.80 ATOM 100 ND2 ASN S 68 356.096 429.908 353.936 1.00187.84 ATOM 101 N ASP S 69 351.501 432.338 355.642 1.00115.94 ATOM 102 CA ASP S 69 350.327 432.287 356.508 1.00114.48 ATOM 103 C ASP S 69 350.311 430.944 357.225 1.00101.81 ATOM 104 O ASP S 69 350.700 429.922 356.649 1.00100.06 ATOM 105 CB ASP S 69 349.042 432.478 355.706 1.00 85.26 ATOM 106 CG ASP S 69 348.902 433.877 355.159 1.00103.04 ATOM 107 OD1 ASP S 69 349.630 434.772 355.630 1.00110.14 ATOM 108 OD2 ASP S 69 348.061 434.084 354.261 1.00119.30 ATOM 109 N ALA S 70 349.861 430.945 358.475 1.00112.43 ATOM 110 CA ALA S 70 349.733 429.702 359.220 1.00107.96 ATOM 111 C ALA S 70 348.335 429.121 359.051 1.00105.69 ATOM 112 O ALA S 70 347.333 429.837 359.074 1.00106.13 ATOM 113 CB ALA S 70 350.021 429.933 360.700 1.00117.37 ATOM 114 ZN ZN S1001 358.826 431.107 363.099 1.00 76.45 TER