HEADER SPLICING 31-DEC-69 7A5P TITLE Human C Complex Spliceosome - Medium-resolution PERIPHERY COMPND MOL_ID: 30; COMPND 2 MOLECULE: U5 small nuclear ribonucleoprotein 200 kDa helicase; COMPND 3 CHAIN: q; COMPND 4 EC: 3.6.4.13; EXPDTA ELECTRON MICROSCOPY DBREF 7A5P q 1 2136 UNP O75643 U520_HUMAN 1 2136 SEQRES 1 q 55 ALA PRO ARG GLN VAL LEU ASP LEU GLU ASP LEU VAL PHE SEQRES 2 q 55 THR GLN GLY SER HIS PHE MET ALA ASN LYS ARG CYS GLN SEQRES 3 q 55 LEU PRO ASP GLY SER PHE ARG ARG GLN ARG LYS GLY TYR SEQRES 4 q 55 GLU GLU VAL HIS VAL PRO ALA LEU LYS PRO LYS PRO PHE SEQRES 5 q 55 GLY SER GLU ATOM 1 N ALA q 404 329.718 345.821 156.299 1.00278.35 ATOM 2 CA ALA q 404 329.786 345.759 157.755 1.00279.77 ATOM 3 C ALA q 404 328.632 344.921 158.319 1.00279.42 ATOM 4 O ALA q 404 327.566 344.857 157.702 1.00277.39 ATOM 5 CB ALA q 404 329.773 347.171 158.343 1.00256.17 ATOM 6 N PRO q 405 328.858 344.261 159.462 1.00294.47 ATOM 7 CA PRO q 405 327.786 343.469 160.089 1.00294.43 ATOM 8 C PRO q 405 326.607 344.325 160.539 1.00292.67 ATOM 9 O PRO q 405 326.775 345.438 161.041 1.00292.51 ATOM 10 CB PRO q 405 328.486 342.815 161.286 1.00256.69 ATOM 11 CG PRO q 405 329.920 342.764 160.905 1.00258.05 ATOM 12 CD PRO q 405 330.173 343.984 160.074 1.00256.48 ATOM 13 N ARG q 406 325.403 343.781 160.358 1.00252.96 ATOM 14 CA ARG q 406 324.163 344.485 160.652 1.00251.04 ATOM 15 C ARG q 406 323.867 344.485 162.152 1.00251.94 ATOM 16 O ARG q 406 324.415 343.691 162.922 1.00253.98 ATOM 17 CB ARG q 406 322.998 343.850 159.892 1.00240.19 ATOM 18 N GLN q 407 322.967 345.384 162.559 1.00199.39 ATOM 19 CA GLN q 407 322.575 345.541 163.955 1.00199.98 ATOM 20 C GLN q 407 321.057 345.531 164.080 1.00197.87 ATOM 21 O GLN q 407 320.350 346.082 163.231 1.00195.56 ATOM 22 CB GLN q 407 323.138 346.840 164.551 1.00194.32 ATOM 23 N VAL q 408 320.565 344.917 165.158 1.00212.45 ATOM 24 CA VAL q 408 319.133 344.711 165.362 1.00210.54 ATOM 25 C VAL q 408 318.512 345.949 165.997 1.00209.18 ATOM 26 O VAL q 408 319.078 346.544 166.921 1.00210.42 ATOM 27 CB VAL q 408 318.892 343.463 166.231 1.00205.52 ATOM 28 N LEU q 409 317.330 346.334 165.512 1.00167.58 ATOM 29 CA LEU q 409 316.642 347.524 165.992 1.00166.12 ATOM 30 C LEU q 409 315.183 347.210 166.299 1.00164.21 ATOM 31 O LEU q 409 314.611 346.239 165.797 1.00163.37 ATOM 32 CB LEU q 409 316.725 348.671 164.974 1.00162.63 ATOM 33 N ASP q 410 314.585 348.063 167.128 1.00199.45 ATOM 34 CA ASP q 410 313.209 347.890 167.579 1.00197.64 ATOM 35 C ASP q 410 312.262 348.611 166.627 1.00194.81 ATOM 36 O ASP q 410 312.307 349.841 166.508 1.00194.13 ATOM 37 CB ASP q 410 313.042 348.419 169.003 1.00206.71 ATOM 38 N LEU q 411 311.395 347.847 165.964 1.00172.54 ATOM 39 CA LEU q 411 310.427 348.406 165.029 1.00169.85 ATOM 40 C LEU q 411 309.196 348.986 165.716 1.00168.13 ATOM 41 O LEU q 411 308.328 349.536 165.028 1.00165.91 ATOM 42 CB LEU q 411 309.996 347.338 164.019 1.00163.44 ATOM 43 N GLU q 412 309.100 348.883 167.044 1.00187.80 ATOM 44 CA GLU q 412 307.935 349.399 167.756 1.00186.27 ATOM 45 C GLU q 412 307.966 350.921 167.829 1.00185.75 ATOM 46 O GLU q 412 307.064 351.599 167.322 1.00183.62 ATOM 47 CB GLU q 412 307.867 348.791 169.158 1.00200.71 ATOM 48 N ASP q 413 309.017 351.483 168.431 1.00261.40 ATOM 49 CA ASP q 413 309.148 352.935 168.527 1.00261.12 ATOM 50 C ASP q 413 309.511 353.600 167.200 1.00260.36 ATOM 51 O ASP q 413 309.601 354.832 167.158 1.00260.01 ATOM 52 CB ASP q 413 310.189 353.300 169.589 1.00261.16 ATOM 53 N LEU q 414 309.718 352.832 166.130 1.00152.53 ATOM 54 CA LEU q 414 310.039 353.365 164.815 1.00151.86 ATOM 55 C LEU q 414 308.825 353.494 163.902 1.00149.31 ATOM 56 O LEU q 414 308.980 353.907 162.749 1.00148.64 ATOM 57 CB LEU q 414 311.097 352.485 164.140 1.00144.64 ATOM 58 N VAL q 415 307.626 353.160 164.381 1.00163.82 ATOM 59 CA VAL q 415 306.420 353.238 163.560 1.00161.43 ATOM 60 C VAL q 415 305.599 354.451 163.978 1.00160.29 ATOM 61 O VAL q 415 305.931 355.137 164.952 1.00161.29 ATOM 62 CB VAL q 415 305.586 351.948 163.658 1.00155.13 ATOM 63 N PHE q 416 304.536 354.738 163.229 1.00180.13 ATOM 64 CA PHE q 416 303.627 355.843 163.519 1.00178.98 ATOM 65 C PHE q 416 302.286 355.268 163.959 1.00177.40 ATOM 66 O PHE q 416 301.549 354.703 163.143 1.00175.96 ATOM 67 CB PHE q 416 303.461 356.748 162.300 1.00172.09 ATOM 68 N THR q 417 301.973 355.408 165.244 1.00196.81 ATOM 69 CA THR q 417 300.666 355.016 165.747 1.00195.34 ATOM 70 C THR q 417 299.629 356.067 165.374 1.00193.75 ATOM 71 O THR q 417 299.948 357.253 165.226 1.00194.19 ATOM 72 CB THR q 417 300.701 354.826 167.264 1.00200.42 ATOM 73 N GLN q 418 298.375 355.609 165.240 1.00238.97 ATOM 74 CA GLN q 418 297.256 356.376 164.672 1.00237.37 ATOM 75 C GLN q 418 297.595 356.890 163.271 1.00237.13 ATOM 76 O GLN q 418 297.478 358.082 162.976 1.00237.03 ATOM 77 CB GLN q 418 296.811 357.519 165.596 1.00228.24 ATOM 78 N GLY q 419 298.017 355.961 162.408 1.00175.66 ATOM 79 CA GLY q 419 298.319 356.307 161.029 1.00175.45 ATOM 80 C GLY q 419 297.082 356.756 160.273 1.00173.83 ATOM 81 O GLY q 419 295.954 356.424 160.644 1.00172.61 ATOM 82 N SER q 420 297.317 357.635 159.281 1.00176.01 ATOM 83 CA SER q 420 296.375 358.407 158.452 1.00174.84 ATOM 84 C SER q 420 295.670 359.510 159.229 1.00174.70 ATOM 85 O SER q 420 295.035 360.390 158.639 1.00174.30 ATOM 86 CB SER q 420 295.305 357.540 157.788 1.00161.69 ATOM 87 N HIS q 421 295.792 359.470 160.548 1.00165.09 ATOM 88 CA HIS q 421 295.538 360.587 161.432 1.00165.36 ATOM 89 C HIS q 421 296.843 361.203 161.882 1.00166.97 ATOM 90 O HIS q 421 296.841 362.025 162.806 1.00167.48 ATOM 91 CB HIS q 421 294.722 360.128 162.641 1.00173.51 ATOM 92 N PHE q 422 297.945 360.818 161.220 1.00184.09 ATOM 93 CA PHE q 422 299.307 361.044 161.696 1.00185.76 ATOM 94 C PHE q 422 299.604 362.524 161.880 1.00186.44 ATOM 95 O PHE q 422 300.013 362.948 162.968 1.00187.25 ATOM 96 CB PHE q 422 300.307 360.415 160.720 1.00169.18 ATOM 97 N MET q 423 299.343 363.321 160.834 1.00217.57 ATOM 98 CA MET q 423 299.584 364.767 160.799 1.00218.34 ATOM 99 C MET q 423 301.048 365.071 161.133 1.00219.99 ATOM 100 O MET q 423 301.384 365.535 162.225 1.00220.73 ATOM 101 CB MET q 423 298.617 365.529 161.716 1.00201.40 ATOM 102 N ALA q 424 301.912 364.686 160.185 1.00216.03 ATOM 103 CA ALA q 424 303.358 364.761 160.390 1.00217.60 ATOM 104 C ALA q 424 303.827 366.194 160.617 1.00218.49 ATOM 105 O ALA q 424 304.717 366.439 161.439 1.00219.76 ATOM 106 CB ALA q 424 304.089 364.136 159.204 1.00229.60 ATOM 107 N ASN q 425 303.229 367.155 159.920 1.00224.66 ATOM 108 CA ASN q 425 303.476 368.553 160.239 1.00225.40 ATOM 109 C ASN q 425 302.725 368.934 161.507 1.00225.01 ATOM 110 O ASN q 425 301.569 368.549 161.702 1.00223.67 ATOM 111 CB ASN q 425 303.042 369.452 159.082 1.00206.83 ATOM 112 N LYS q 426 303.390 369.684 162.382 1.00258.22 ATOM 113 CA LYS q 426 302.749 370.210 163.578 1.00258.29 ATOM 114 C LYS q 426 302.304 371.658 163.410 1.00258.78 ATOM 115 O LYS q 426 301.901 372.288 164.391 1.00259.41 ATOM 116 CB LYS q 426 303.681 370.080 164.784 1.00225.14 ATOM 117 N ARG q 427 302.358 372.194 162.190 1.00198.72 ATOM 118 CA ARG q 427 301.915 373.552 161.903 1.00199.53 ATOM 119 C ARG q 427 300.998 373.547 160.688 1.00198.45 ATOM 120 O ARG q 427 301.238 372.818 159.721 1.00197.52 ATOM 121 CB ARG q 427 303.103 374.492 161.657 1.00209.24 ATOM 122 N CYS q 428 299.951 374.365 160.744 1.00185.11 ATOM 123 CA CYS q 428 298.942 374.461 159.696 1.00184.28 ATOM 124 C CYS q 428 298.810 375.909 159.232 1.00185.69 ATOM 125 O CYS q 428 299.516 376.806 159.701 1.00187.21 ATOM 126 CB CYS q 428 297.596 373.918 160.187 1.00175.79 ATOM 127 N GLN q 429 297.883 376.134 158.304 1.00167.24 ATOM 128 CA GLN q 429 297.746 377.424 157.648 1.00169.40 ATOM 129 C GLN q 429 296.286 377.833 157.555 1.00169.76 ATOM 130 O GLN q 429 295.383 376.994 157.499 1.00167.95 ATOM 131 CB GLN q 429 298.350 377.403 156.237 1.00172.44 ATOM 132 N LEU q 430 296.071 379.140 157.538 1.00180.19 ATOM 133 CA LEU q 430 294.775 379.678 157.201 1.00180.31 ATOM 134 C LEU q 430 294.542 379.557 155.695 1.00179.85 ATOM 135 O LEU q 430 295.490 379.400 154.922 1.00179.84 ATOM 136 CB LEU q 430 294.691 381.139 157.641 1.00177.97 ATOM 137 N PRO q 431 293.278 379.554 155.258 1.00184.66 ATOM 138 CA PRO q 431 292.975 380.083 153.921 1.00185.28 ATOM 139 C PRO q 431 292.840 381.597 153.984 1.00187.34 ATOM 140 O PRO q 431 293.099 382.182 155.039 1.00188.17 ATOM 141 CB PRO q 431 291.656 379.392 153.550 1.00170.67 ATOM 142 CG PRO q 431 291.613 378.175 154.414 1.00168.45 ATOM 143 CD PRO q 431 292.243 378.609 155.708 1.00169.64 ATOM 144 N ASP q 432 292.443 382.244 152.885 1.00214.47 ATOM 145 CA ASP q 432 292.471 383.704 152.795 1.00217.08 ATOM 146 C ASP q 432 291.548 384.412 153.786 1.00218.62 ATOM 147 O ASP q 432 292.027 385.070 154.716 1.00220.22 ATOM 148 CB ASP q 432 292.115 384.143 151.372 1.00236.49 ATOM 149 N GLY q 433 290.238 384.250 153.633 1.00194.50 ATOM 150 CA GLY q 433 289.300 385.007 154.442 1.00196.14 ATOM 151 C GLY q 433 288.846 384.298 155.700 1.00194.78 ATOM 152 O GLY q 433 287.740 384.541 156.194 1.00195.49 ATOM 153 N SER q 434 289.703 383.435 156.241 1.00179.43 ATOM 154 CA SER q 434 289.301 382.526 157.305 1.00177.82 ATOM 155 C SER q 434 289.470 383.150 158.687 1.00179.45 ATOM 156 O SER q 434 290.385 383.945 158.916 1.00181.17 ATOM 157 CB SER q 434 290.105 381.230 157.220 1.00183.84 ATOM 158 N PHE q 435 288.590 382.769 159.618 1.00178.89 ATOM 159 CA PHE q 435 288.605 383.344 160.958 1.00180.31 ATOM 160 C PHE q 435 288.282 382.296 162.015 1.00178.46 ATOM 161 O PHE q 435 287.503 381.366 161.783 1.00176.50 ATOM 162 CB PHE q 435 287.613 384.508 161.083 1.00182.85 ATOM 163 N ARG q 436 288.883 382.478 163.189 1.00210.34 ATOM 164 CA ARG q 436 288.631 381.654 164.364 1.00209.07 ATOM 165 C ARG q 436 287.695 382.404 165.305 1.00210.72 ATOM 166 O ARG q 436 288.003 383.524 165.728 1.00213.12 ATOM 167 CB ARG q 436 289.940 381.313 165.077 1.00207.14 ATOM 168 N ARG q 437 286.560 381.789 165.634 1.00178.57 ATOM 169 CA ARG q 437 285.617 382.346 166.601 1.00180.02 ATOM 170 C ARG q 437 285.270 381.259 167.608 1.00178.28 ATOM 171 O ARG q 437 284.582 380.290 167.270 1.00176.31 ATOM 172 CB ARG q 437 284.359 382.879 165.912 1.00181.05 ATOM 173 N GLN q 438 285.736 381.423 168.842 1.00179.10 ATOM 174 CA GLN q 438 285.565 380.423 169.886 1.00177.61 ATOM 175 C GLN q 438 284.346 380.756 170.735 1.00178.57 ATOM 176 O GLN q 438 284.194 381.892 171.198 1.00180.92 ATOM 177 CB GLN q 438 286.813 380.340 170.767 1.00178.39 ATOM 178 N ARG q 439 283.483 379.766 170.931 1.00176.80 ATOM 179 CA ARG q 439 282.331 379.856 171.813 1.00177.49 ATOM 180 C ARG q 439 282.612 379.054 173.080 1.00176.52 ATOM 181 O ARG q 439 283.711 378.530 173.279 1.00175.64 ATOM 182 CB ARG q 439 281.068 379.362 171.102 1.00198.90 ATOM 183 N LYS q 440 281.607 378.963 173.948 1.00189.41 ATOM 184 CA LYS q 440 281.768 378.229 175.198 1.00188.64 ATOM 185 C LYS q 440 281.747 376.732 174.922 1.00185.88 ATOM 186 O LYS q 440 280.773 376.204 174.375 1.00184.76 ATOM 187 CB LYS q 440 280.671 378.611 176.187 1.00199.40 ATOM 188 N GLY q 441 282.834 376.049 175.282 1.00204.21 ATOM 189 CA GLY q 441 282.949 374.624 175.081 1.00201.69 ATOM 190 C GLY q 441 283.337 374.190 173.686 1.00200.20 ATOM 191 O GLY q 441 283.657 373.012 173.489 1.00198.18 ATOM 192 N TYR q 442 283.318 375.090 172.705 1.00169.21 ATOM 193 CA TYR q 442 283.654 374.706 171.343 1.00167.95 ATOM 194 C TYR q 442 284.246 375.872 170.568 1.00169.53 ATOM 195 O TYR q 442 283.632 376.939 170.477 1.00171.37 ATOM 196 CB TYR q 442 282.426 374.163 170.601 1.00166.57 ATOM 197 N GLU q 443 285.432 375.656 170.003 1.00168.86 ATOM 198 CA GLU q 443 285.985 376.574 169.018 1.00170.13 ATOM 199 C GLU q 443 285.377 376.280 167.653 1.00169.08 ATOM 200 O GLU q 443 285.195 375.119 167.277 1.00166.88 ATOM 201 CB GLU q 443 287.507 376.445 168.954 1.00169.92 ATOM 202 N GLU q 444 285.052 377.338 166.914 1.00170.70 ATOM 203 CA GLU q 444 284.444 377.215 165.594 1.00169.89 ATOM 204 C GLU q 444 285.279 377.992 164.588 1.00170.89 ATOM 205 O GLU q 444 285.475 379.203 164.740 1.00173.22 ATOM 206 CB GLU q 444 282.999 377.720 165.604 1.00173.68 ATOM 207 N VAL q 445 285.764 377.298 163.562 1.00169.19 ATOM 208 CA VAL q 445 286.601 377.889 162.525 1.00169.98 ATOM 209 C VAL q 445 285.799 377.961 161.233 1.00169.75 ATOM 210 O VAL q 445 285.064 377.027 160.893 1.00167.90 ATOM 211 CB VAL q 445 287.900 377.087 162.321 1.00168.52 ATOM 212 N HIS q 446 285.944 379.071 160.516 1.00182.87 ATOM 213 CA HIS q 446 285.209 379.320 159.284 1.00183.04 ATOM 214 C HIS q 446 286.191 379.686 158.185 1.00183.41 ATOM 215 O HIS q 446 287.040 380.554 158.386 1.00185.21 ATOM 216 CB HIS q 446 284.194 380.452 159.472 1.00203.22 ATOM 217 N VAL q 447 286.081 379.028 157.034 1.00197.48 ATOM 218 CA VAL q 447 286.839 379.429 155.851 1.00198.34 ATOM 219 C VAL q 447 285.873 379.580 154.680 1.00198.60 ATOM 220 O VAL q 447 284.962 378.755 154.519 1.00197.40 ATOM 221 CB VAL q 447 287.958 378.427 155.525 1.00183.34 ATOM 222 N PRO q 448 286.023 380.608 153.852 1.00225.04 ATOM 223 CA PRO q 448 285.112 380.812 152.722 1.00225.59 ATOM 224 C PRO q 448 285.458 379.899 151.550 1.00224.55 ATOM 225 O PRO q 448 286.361 379.066 151.612 1.00223.37 ATOM 226 CB PRO q 448 285.334 382.284 152.367 1.00220.14 ATOM 227 CG PRO q 448 286.745 382.544 152.769 1.00220.57 ATOM 228 CD PRO q 448 286.963 381.731 154.013 1.00218.93 ATOM 229 N ALA q 449 284.715 380.078 150.462 1.00185.38 ATOM 230 CA ALA q 449 284.938 379.313 149.247 1.00184.56 ATOM 231 C ALA q 449 286.151 379.844 148.492 1.00185.49 ATOM 232 O ALA q 449 286.513 381.019 148.600 1.00187.20 ATOM 233 CB ALA q 449 283.700 379.366 148.355 1.00175.91 ATOM 234 N LEU q 450 286.782 378.961 147.722 1.00200.89 ATOM 235 CA LEU q 450 287.965 379.334 146.963 1.00201.69 ATOM 236 C LEU q 450 287.578 380.069 145.681 1.00203.13 ATOM 237 O LEU q 450 286.439 379.999 145.211 1.00203.22 ATOM 238 CB LEU q 450 288.801 378.098 146.627 1.00190.83 ATOM 239 N LYS q 451 288.550 380.780 145.115 1.00196.22 ATOM 240 CA LYS q 451 288.329 381.557 143.900 1.00197.74 ATOM 241 C LYS q 451 288.985 380.859 142.717 1.00197.04 ATOM 242 O LYS q 451 290.218 380.707 142.706 1.00196.94 ATOM 243 CB LYS q 451 288.880 382.975 144.056 1.00218.48 ATOM 244 N PRO q 452 288.203 380.419 141.724 1.00182.34 ATOM 245 CA PRO q 452 288.752 379.669 140.581 1.00181.60 ATOM 246 C PRO q 452 289.783 380.458 139.787 1.00183.00 ATOM 247 O PRO q 452 289.641 381.668 139.583 1.00184.91 ATOM 248 CB PRO q 452 287.512 379.371 139.730 1.00169.69 ATOM 249 CG PRO q 452 286.363 379.453 140.667 1.00169.87 ATOM 250 CD PRO q 452 286.729 380.460 141.711 1.00171.79 ATOM 251 N LYS q 453 290.837 379.758 139.367 1.00208.93 ATOM 252 CA LYS q 453 291.917 380.382 138.616 1.00210.20 ATOM 253 C LYS q 453 291.389 380.871 137.272 1.00211.36 ATOM 254 O LYS q 453 290.701 380.113 136.573 1.00210.44 ATOM 255 CB LYS q 453 293.068 379.398 138.406 1.00192.29 ATOM 256 N PRO q 454 291.645 382.132 136.908 1.00187.96 ATOM 257 CA PRO q 454 291.108 382.674 135.653 1.00189.34 ATOM 258 C PRO q 454 291.692 381.953 134.452 1.00188.61 ATOM 259 O PRO q 454 292.853 381.536 134.469 1.00188.01 ATOM 260 CB PRO q 454 291.540 384.144 135.694 1.00196.67 ATOM 261 CG PRO q 454 292.753 384.148 136.578 1.00196.26 ATOM 262 CD PRO q 454 292.470 383.116 137.628 1.00194.30 ATOM 263 N PHE q 455 290.843 381.760 133.439 1.00203.02 ATOM 264 CA PHE q 455 291.206 381.000 132.250 1.00202.57 ATOM 265 C PHE q 455 292.390 381.642 131.547 1.00203.75 ATOM 266 O PHE q 455 292.388 382.847 131.276 1.00205.62 ATOM 267 CB PHE q 455 290.009 380.910 131.300 1.00189.26 ATOM 268 N GLY q 456 293.421 380.834 131.305 1.00252.14 ATOM 269 CA GLY q 456 294.622 381.334 130.676 1.00253.11 ATOM 270 C GLY q 456 294.380 381.763 129.244 1.00254.55 ATOM 271 O GLY q 456 293.341 381.468 128.647 1.00254.47 ATOM 272 N SER q 457 295.365 382.483 128.704 1.00212.98 ATOM 273 CA SER q 457 295.255 383.081 127.379 1.00214.59 ATOM 274 C SER q 457 295.092 382.005 126.313 1.00213.72 ATOM 275 O SER q 457 295.967 381.147 126.152 1.00212.79 ATOM 276 CB SER q 457 296.485 383.941 127.091 1.00219.54 ATOM 277 N GLU q 458 293.941 382.049 125.633 1.00253.25 ATOM 278 CA GLU q 458 293.529 381.095 124.597 1.00253.12 ATOM 279 C GLU q 458 293.514 379.656 125.118 1.00251.22 ATOM 280 O GLU q 458 294.127 378.753 124.544 1.00250.66 ATOM 281 CB GLU q 458 294.403 381.223 123.347 1.00242.49 TER