HEADER SPLICING 31-DEC-69 5LJ3 TITLE Structure of the core of the yeast spliceosome immediately after TITLE 2 branching COMPND MOL_ID: 19; COMPND 2 MOLECULE: Pre-mRNA-splicing factor CWC21; COMPND 3 CHAIN: R; 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 VAL R 60 REMARK 465 GLN R 61 REMARK 465 LYS R 62 REMARK 465 GLN R 63 DBREF 5LJ3 R 1 135 UNP Q03375 CWC21_YEAST 1 135 SEQRES 1 R 52 VAL GLN LYS GLN ILE GLU THR HIS MET GLU LYS ARG GLU SEQRES 2 R 52 ILE GLU VAL GLN VAL SER GLU LEU ARG ASP ARG LEU GLU SEQRES 3 R 52 GLU GLU GLU THR LEU SER GLU GLU GLN ILE ASP LYS LYS SEQRES 4 R 52 CYS GLU ALA LEU ARG ALA LYS LEU THR ASN GLU TRP GLN ATOM 1 N ILE R 64 282.067 356.403 372.111 1.00229.58 ATOM 2 CA ILE R 64 281.443 356.598 373.415 1.00235.58 ATOM 3 C ILE R 64 281.659 358.021 373.937 1.00246.73 ATOM 4 O ILE R 64 282.529 358.748 373.449 1.00246.97 ATOM 5 CB ILE R 64 281.989 355.596 374.450 1.00227.25 ATOM 6 N GLU R 65 280.859 358.399 374.934 1.00260.06 ATOM 7 CA GLU R 65 280.912 359.730 375.545 1.00265.82 ATOM 8 C GLU R 65 282.086 359.837 376.495 1.00264.44 ATOM 9 O GLU R 65 282.812 360.844 376.482 1.00261.82 ATOM 10 CB GLU R 65 279.612 360.029 376.295 1.00267.66 ATOM 11 N THR R 66 282.268 358.785 377.295 1.00262.60 ATOM 12 CA THR R 66 283.378 358.699 378.250 1.00260.44 ATOM 13 C THR R 66 284.708 358.825 377.519 1.00259.12 ATOM 14 O THR R 66 285.598 359.575 377.951 1.00263.55 ATOM 15 CB THR R 66 283.361 357.369 379.029 1.00259.07 ATOM 16 N HIS R 67 284.806 358.083 376.418 1.00253.90 ATOM 17 CA HIS R 67 286.011 358.070 375.581 1.00250.22 ATOM 18 C HIS R 67 286.321 359.478 375.085 1.00254.17 ATOM 19 O HIS R 67 287.472 359.936 375.144 1.00256.60 ATOM 20 CB HIS R 67 285.837 357.124 374.391 1.00246.38 ATOM 21 N MET R 68 285.272 360.133 374.606 1.00258.37 ATOM 22 CA MET R 68 285.356 361.501 374.081 1.00260.55 ATOM 23 C MET R 68 285.900 362.440 375.154 1.00262.32 ATOM 24 O MET R 68 286.799 363.254 374.893 1.00265.28 ATOM 25 CB MET R 68 283.983 361.987 373.607 1.00257.31 ATOM 26 N GLU R 69 285.330 362.297 376.343 1.00257.90 ATOM 27 CA GLU R 69 285.706 363.103 377.509 1.00251.74 ATOM 28 C GLU R 69 287.196 362.933 377.805 1.00248.54 ATOM 29 O GLU R 69 287.922 363.914 378.028 1.00244.25 ATOM 30 CB GLU R 69 284.877 362.710 378.735 1.00250.99 ATOM 31 N LYS R 70 287.609 361.672 377.798 1.00250.79 ATOM 32 CA LYS R 70 289.000 361.287 378.059 1.00253.98 ATOM 33 C LYS R 70 289.927 361.969 377.060 1.00265.70 ATOM 34 O LYS R 70 290.966 362.534 377.433 1.00271.07 ATOM 35 CB LYS R 70 289.160 359.770 377.959 1.00251.34 ATOM 36 N ARG R 71 289.520 361.894 375.800 1.00278.24 ATOM 37 CA ARG R 71 290.266 362.484 374.682 1.00286.84 ATOM 38 C ARG R 71 290.446 363.981 374.906 1.00294.10 ATOM 39 O ARG R 71 291.547 364.522 374.741 1.00301.23 ATOM 40 CB ARG R 71 289.549 362.233 373.352 1.00284.36 ATOM 41 N GLU R 72 289.343 364.614 375.278 1.00289.11 ATOM 42 CA GLU R 72 289.299 366.056 375.544 1.00279.98 ATOM 43 C GLU R 72 290.303 366.416 376.638 1.00274.50 ATOM 44 O GLU R 72 291.074 367.381 376.509 1.00266.17 ATOM 45 CB GLU R 72 287.892 366.493 375.961 1.00275.05 ATOM 46 N ILE R 73 290.260 365.617 377.698 1.00273.47 ATOM 47 CA ILE R 73 291.136 365.789 378.859 1.00271.88 ATOM 48 C ILE R 73 292.602 365.728 378.426 1.00272.99 ATOM 49 O ILE R 73 293.425 366.572 378.819 1.00269.38 ATOM 50 CB ILE R 73 290.886 364.711 379.930 1.00266.48 ATOM 51 N GLU R 74 292.883 364.716 377.615 1.00282.73 ATOM 52 CA GLU R 74 294.227 364.473 377.082 1.00291.68 ATOM 53 C GLU R 74 294.711 365.690 376.305 1.00298.13 ATOM 54 O GLU R 74 295.848 366.147 376.477 1.00304.99 ATOM 55 CB GLU R 74 294.241 363.236 376.180 1.00297.29 ATOM 56 N VAL R 75 293.822 366.186 375.458 1.00298.41 ATOM 57 CA VAL R 75 294.083 367.359 374.613 1.00296.41 ATOM 58 C VAL R 75 294.451 368.554 375.480 1.00290.34 ATOM 59 O VAL R 75 295.427 369.266 375.204 1.00290.83 ATOM 60 CB VAL R 75 292.852 367.734 373.767 1.00295.69 ATOM 61 N GLN R 76 293.646 368.744 376.518 1.00279.68 ATOM 62 CA GLN R 76 293.823 369.841 377.474 1.00271.58 ATOM 63 C GLN R 76 295.213 369.762 378.110 1.00269.12 ATOM 64 O GLN R 76 295.936 370.769 378.203 1.00266.80 ATOM 65 CB GLN R 76 292.746 369.800 378.561 1.00266.73 ATOM 66 N VAL R 77 295.545 368.547 378.531 1.00266.32 ATOM 67 CA VAL R 77 296.829 368.254 379.171 1.00260.41 ATOM 68 C VAL R 77 297.982 368.634 378.241 1.00255.22 ATOM 69 O VAL R 77 298.954 369.284 378.654 1.00253.54 ATOM 70 CB VAL R 77 296.954 366.765 379.548 1.00254.78 ATOM 71 N SER R 78 297.831 368.212 376.993 1.00246.70 ATOM 72 CA SER R 78 298.818 368.469 375.940 1.00238.68 ATOM 73 C SER R 78 299.034 369.966 375.776 1.00242.13 ATOM 74 O SER R 78 300.174 370.441 375.702 1.00245.57 ATOM 75 CB SER R 78 298.370 367.855 374.621 1.00235.24 ATOM 76 N GLU R 79 297.916 370.677 375.724 1.00245.04 ATOM 77 CA GLU R 79 297.902 372.138 375.571 1.00247.41 ATOM 78 C GLU R 79 298.682 372.787 376.708 1.00254.81 ATOM 79 O GLU R 79 299.515 373.679 376.482 1.00257.11 ATOM 80 CB GLU R 79 296.467 372.673 375.547 1.00242.29 ATOM 81 N LEU R 80 298.384 372.316 377.913 1.00260.80 ATOM 82 CA LEU R 80 299.020 372.807 379.140 1.00262.23 ATOM 83 C LEU R 80 300.537 372.630 379.051 1.00265.60 ATOM 84 O LEU R 80 301.310 373.551 379.360 1.00271.55 ATOM 85 CB LEU R 80 298.483 372.070 380.369 1.00260.26 ATOM 86 N ARG R 81 300.918 371.432 378.624 1.00264.51 ATOM 87 CA ARG R 81 302.325 371.053 378.469 1.00265.30 ATOM 88 C ARG R 81 303.023 372.011 377.506 1.00271.58 ATOM 89 O ARG R 81 304.127 372.504 377.782 1.00274.05 ATOM 90 CB ARG R 81 302.448 369.615 377.960 1.00257.12 ATOM 91 N ASP R 82 302.348 372.247 376.390 1.00276.47 ATOM 92 CA ASP R 82 302.839 373.137 375.332 1.00279.64 ATOM 93 C ASP R 82 303.088 374.531 375.894 1.00280.92 ATOM 94 O ASP R 82 304.137 375.143 375.643 1.00279.87 ATOM 95 CB ASP R 82 301.839 373.214 374.176 1.00281.15 ATOM 96 N ARG R 83 302.102 374.998 376.648 1.00283.36 ATOM 97 CA ARG R 83 302.142 376.320 377.285 1.00285.31 ATOM 98 C ARG R 83 303.363 376.427 378.192 1.00295.47 ATOM 99 O ARG R 83 304.101 377.424 378.157 1.00302.09 ATOM 100 CB ARG R 83 300.866 376.579 378.089 1.00282.00 ATOM 101 N LEU R 84 303.542 375.380 378.988 1.00302.87 ATOM 102 CA LEU R 84 304.655 375.284 379.938 1.00305.45 ATOM 103 C LEU R 84 305.987 375.399 379.199 1.00308.36 ATOM 104 O LEU R 84 306.887 376.148 379.612 1.00314.16 ATOM 105 CB LEU R 84 304.601 373.965 380.713 1.00302.94 ATOM 106 N GLU R 85 306.070 374.645 378.111 1.00304.28 ATOM 107 CA GLU R 85 307.262 374.607 377.259 1.00301.05 ATOM 108 C GLU R 85 307.585 376.008 376.742 1.00307.76 ATOM 109 O GLU R 85 308.740 376.455 376.785 1.00304.16 ATOM 110 CB GLU R 85 307.061 373.648 376.083 1.00294.74 ATOM 111 N GLU R 86 306.536 376.666 376.267 1.00319.67 ATOM 112 CA GLU R 86 306.628 378.025 375.728 1.00327.30 ATOM 113 C GLU R 86 307.188 378.980 376.776 1.00331.93 ATOM 114 O GLU R 86 308.103 379.773 376.477 1.00327.83 ATOM 115 CB GLU R 86 305.258 378.516 375.252 1.00329.02 ATOM 116 N GLU R 87 306.602 378.972 377.975 1.00337.81 ATOM 117 CA GLU R 87 306.787 380.065 378.943 1.00338.09 ATOM 118 C GLU R 87 307.215 379.601 380.336 1.00338.89 ATOM 119 O GLU R 87 306.373 379.304 381.188 1.00336.82 ATOM 120 CB GLU R 87 305.495 380.882 379.048 1.00338.34 ATOM 121 N GLU R 88 308.532 379.546 380.545 1.00339.90 ATOM 122 CA GLU R 88 309.137 379.345 381.868 1.00340.98 ATOM 123 C GLU R 88 308.704 378.051 382.564 1.00339.35 ATOM 124 O GLU R 88 307.891 378.070 383.494 1.00337.66 ATOM 125 CB GLU R 88 308.851 380.553 382.769 1.00344.71 ATOM 126 N THR R 89 309.248 376.933 382.092 1.00337.55 ATOM 127 CA THR R 89 309.033 375.631 382.726 1.00335.27 ATOM 128 C THR R 89 310.106 374.630 382.292 1.00332.41 ATOM 129 O THR R 89 309.799 373.555 381.766 1.00336.04 ATOM 130 CB THR R 89 307.629 375.072 382.418 1.00334.14 ATOM 131 N LEU R 90 311.364 375.007 382.513 1.00325.91 ATOM 132 CA LEU R 90 312.506 374.115 382.289 1.00321.98 ATOM 133 C LEU R 90 312.508 372.987 383.320 1.00324.70 ATOM 134 O LEU R 90 312.827 371.841 382.992 1.00322.05 ATOM 135 CB LEU R 90 313.822 374.893 382.361 1.00318.66 ATOM 136 N SER R 91 312.158 373.325 384.562 1.00330.38 ATOM 137 CA SER R 91 311.944 372.335 385.618 1.00334.53 ATOM 138 C SER R 91 310.652 371.554 385.367 1.00336.41 ATOM 139 O SER R 91 309.670 372.103 384.860 1.00337.98 ATOM 140 CB SER R 91 311.883 373.012 386.989 1.00336.48 ATOM 141 N GLU R 92 310.666 370.278 385.743 1.00334.50 ATOM 142 CA GLU R 92 309.589 369.359 385.456 1.00332.80 ATOM 143 C GLU R 92 308.477 369.476 386.491 1.00333.29 ATOM 144 O GLU R 92 307.341 369.265 386.116 1.00334.67 ATOM 145 CB GLU R 92 310.097 367.914 385.440 1.00330.02 ATOM 146 CG GLU R 92 311.163 367.630 384.395 1.00328.30 ATOM 147 CD GLU R 92 311.530 366.158 384.313 1.00327.51 ATOM 148 OE1 GLU R 92 311.660 365.508 385.373 1.00326.44 ATOM 149 OE2 GLU R 92 311.695 365.648 383.185 1.00327.35 ATOM 150 N GLU R 93 308.850 369.732 387.751 1.00333.30 ATOM 151 CA GLU R 93 307.941 369.655 388.865 1.00333.78 ATOM 152 C GLU R 93 306.776 370.618 388.678 1.00334.36 ATOM 153 O GLU R 93 305.596 370.230 388.868 1.00336.31 ATOM 154 CB GLU R 93 308.664 369.968 390.179 1.00334.74 ATOM 155 N GLN R 94 307.134 371.846 388.313 1.00335.94 ATOM 156 CA GLN R 94 306.134 372.892 388.037 1.00337.43 ATOM 157 C GLN R 94 305.085 372.470 387.013 1.00335.88 ATOM 158 O GLN R 94 303.872 372.523 387.293 1.00337.68 ATOM 159 CB GLN R 94 306.821 374.178 387.563 1.00338.97 ATOM 160 N ILE R 95 305.572 372.120 385.823 1.00332.14 ATOM 161 CA ILE R 95 304.715 371.743 384.699 1.00328.90 ATOM 162 C ILE R 95 303.835 370.558 385.082 1.00327.67 ATOM 163 O ILE R 95 302.620 370.557 384.825 1.00329.38 ATOM 164 CB ILE R 95 305.539 371.373 383.451 1.00325.75 ATOM 165 N ASP R 96 304.482 369.574 385.696 1.00325.50 ATOM 166 CA ASP R 96 303.812 368.346 386.146 1.00322.82 ATOM 167 C ASP R 96 302.697 368.686 387.117 1.00327.44 ATOM 168 O ASP R 96 301.577 368.163 387.002 1.00322.05 ATOM 169 CB ASP R 96 304.801 367.366 386.801 1.00317.55 ATOM 170 CG ASP R 96 305.647 366.608 385.785 1.00313.87 ATOM 171 OD1 ASP R 96 305.841 367.107 384.655 1.00312.54 ATOM 172 OD2 ASP R 96 306.127 365.506 386.125 1.00308.33 ATOM 173 N LYS R 97 303.024 369.561 388.057 1.00339.78 ATOM 174 CA LYS R 97 302.076 370.026 389.081 1.00349.06 ATOM 175 C LYS R 97 300.851 370.656 388.428 1.00353.18 ATOM 176 O LYS R 97 299.688 370.298 388.738 1.00356.36 ATOM 177 CB LYS R 97 302.740 371.034 390.023 1.00352.47 ATOM 178 N LYS R 98 301.128 371.629 387.562 1.00351.39 ATOM 179 CA LYS R 98 300.090 372.379 386.852 1.00346.87 ATOM 180 C LYS R 98 299.212 371.427 386.047 1.00345.43 ATOM 181 O LYS R 98 297.972 371.517 386.080 1.00344.00 ATOM 182 CB LYS R 98 300.711 373.429 385.927 1.00343.44 ATOM 183 N CYS R 99 299.889 370.526 385.340 1.00343.26 ATOM 184 CA CYS R 99 299.227 369.524 384.497 1.00339.39 ATOM 185 C CYS R 99 298.289 368.671 385.340 1.00333.18 ATOM 186 O CYS R 99 297.138 368.424 384.952 1.00331.49 ATOM 187 CB CYS R 99 300.256 368.635 383.795 1.00341.19 ATOM 188 N GLU R 100 298.811 368.240 386.481 1.00327.08 ATOM 189 CA GLU R 100 298.071 367.407 387.435 1.00323.40 ATOM 190 C GLU R 100 296.798 368.121 387.875 1.00326.40 ATOM 191 O GLU R 100 295.709 367.528 387.900 1.00324.60 ATOM 192 CB GLU R 100 298.935 367.075 388.653 1.00318.89 ATOM 193 N ALA R 101 296.978 369.392 388.215 1.00334.49 ATOM 194 CA ALA R 101 295.880 370.255 388.670 1.00339.75 ATOM 195 C ALA R 101 294.792 370.324 387.603 1.00338.74 ATOM 196 O ALA R 101 293.595 370.184 387.901 1.00340.70 ATOM 197 CB ALA R 101 296.381 371.652 389.020 1.00342.24 ATOM 198 N LEU R 102 295.247 370.539 386.375 1.00331.20 ATOM 199 CA LEU R 102 294.366 370.640 385.206 1.00324.42 ATOM 200 C LEU R 102 293.540 369.364 385.061 1.00323.76 ATOM 201 O LEU R 102 292.318 369.413 384.852 1.00319.96 ATOM 202 CB LEU R 102 295.177 370.889 383.932 1.00321.14 ATOM 203 N ARG R 103 294.243 368.246 385.177 1.00324.64 ATOM 204 CA ARG R 103 293.644 366.912 385.069 1.00325.34 ATOM 205 C ARG R 103 292.543 366.746 386.111 1.00324.40 ATOM 206 O ARG R 103 291.438 366.274 385.803 1.00327.69 ATOM 207 CB ARG R 103 294.705 365.823 385.253 1.00322.54 ATOM 208 N ALA R 104 292.883 367.144 387.330 1.00318.87 ATOM 209 CA ALA R 104 291.971 367.069 388.476 1.00312.82 ATOM 210 C ALA R 104 290.701 367.863 388.187 1.00310.08 ATOM 211 O ALA R 104 289.580 367.383 388.420 1.00310.46 ATOM 212 CB ALA R 104 292.641 367.569 389.750 1.00311.92 ATOM 213 N LYS R 105 290.917 369.070 387.679 1.00307.20 ATOM 214 CA LYS R 105 289.831 369.993 387.331 1.00305.23 ATOM 215 C LYS R 105 288.896 369.343 386.315 1.00305.51 ATOM 216 O LYS R 105 287.664 369.384 386.459 1.00306.67 ATOM 217 CB LYS R 105 290.390 371.300 386.762 1.00302.95 ATOM 218 N LEU R 106 289.520 368.753 385.303 1.00305.75 ATOM 219 CA LEU R 106 288.808 368.071 384.218 1.00308.57 ATOM 220 C LEU R 106 287.926 366.961 384.784 1.00313.15 ATOM 221 O LEU R 106 286.747 366.831 384.419 1.00315.95 ATOM 222 CB LEU R 106 289.792 367.492 383.199 1.00310.43 ATOM 223 N THR R 107 288.534 366.186 385.674 1.00316.65 ATOM 224 CA THR R 107 287.863 365.061 386.334 1.00317.63 ATOM 225 C THR R 107 286.629 365.553 387.085 1.00319.09 ATOM 226 O THR R 107 285.543 364.962 386.985 1.00320.74 ATOM 227 CB THR R 107 288.776 364.217 387.263 1.00315.08 ATOM 228 OG1 THR R 107 289.288 365.020 388.330 1.00313.63 ATOM 229 CG2 THR R 107 289.932 363.572 386.484 1.00314.12 ATOM 230 N ASN R 108 286.834 366.639 387.819 1.00316.42 ATOM 231 CA ASN R 108 285.777 367.273 388.613 1.00311.67 ATOM 232 C ASN R 108 284.610 367.671 387.716 1.00310.83 ATOM 233 O ASN R 108 283.440 367.412 388.034 1.00306.55 ATOM 234 CB ASN R 108 286.313 368.500 389.354 1.00309.53 ATOM 235 N GLU R 109 284.970 368.296 386.603 1.00313.21 ATOM 236 CA GLU R 109 284.004 368.758 385.601 1.00313.23 ATOM 237 C GLU R 109 283.164 367.587 385.093 1.00314.18 ATOM 238 O GLU R 109 281.929 367.692 385.008 1.00306.35 ATOM 239 CB GLU R 109 284.716 369.439 384.429 1.00313.50 ATOM 240 N TRP R 110 283.825 366.487 384.732 1.00318.58 ATOM 241 CA TRP R 110 283.146 365.279 384.247 1.00318.46 ATOM 242 C TRP R 110 282.781 364.357 385.415 1.00322.16 ATOM 243 O TRP R 110 283.405 363.308 385.611 1.00325.38 ATOM 244 CB TRP R 110 284.027 364.540 383.232 1.00310.76 ATOM 245 N GLN R 111 281.767 364.768 386.180 1.00316.22 ATOM 246 CA GLN R 111 281.286 364.038 387.364 1.00307.15 ATOM 247 C GLN R 111 282.362 363.891 388.442 1.00298.80 ATOM 248 O GLN R 111 282.130 363.282 389.487 1.00288.95 ATOM 249 CB GLN R 111 280.739 362.661 386.972 1.00306.90 TER