HEADER SPLICING 20-DEC-16 5MQF TITLE Cryo-EM structure of a human spliceosome activated for step 2 of TITLE 2 splicing (C* complex) COMPND MOL_ID: 30; COMPND 2 MOLECULE: Eukaryotic initiation factor 4A-III; COMPND 3 CHAIN: p; COMPND 4 EC: 3.6.4.13; 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 ASP p 244 REMARK 465 GLU p 245 REMARK 465 LEU p 246 REMARK 465 ALA p 338 REMARK 465 ARG p 339 DBREF 5MQF p 1 411 UNP P38919 IF4A3_HUMAN 1 411 SEQRES 1 p 160 ASP GLU LEU THR LEU GLU GLY ILE LYS GLN PHE PHE VAL SEQRES 2 p 160 ALA VAL GLU ARG GLU GLU TRP LYS PHE ASP THR LEU CYS SEQRES 3 p 160 ASP LEU TYR ASP THR LEU THR ILE THR GLN ALA VAL ILE SEQRES 4 p 160 PHE CYS ASN THR LYS ARG LYS VAL ASP TRP LEU THR GLU SEQRES 5 p 160 LYS MET ARG GLU ALA ASN PHE THR VAL SER SER MET HIS SEQRES 6 p 160 GLY ASP MET PRO GLN LYS GLU ARG GLU SER ILE MET LYS SEQRES 7 p 160 GLU PHE ARG SER GLY ALA SER ARG VAL LEU ILE SER THR SEQRES 8 p 160 ASP VAL TRP ALA ARG GLY LEU ASP VAL PRO GLN VAL SER SEQRES 9 p 160 LEU ILE ILE ASN TYR ASP LEU PRO ASN ASN ARG GLU LEU SEQRES 10 p 160 TYR ILE HIS ARG ILE GLY ARG SER GLY ARG TYR GLY ARG SEQRES 11 p 160 LYS GLY VAL ALA ILE ASN PHE VAL LYS ASN ASP ASP ILE SEQRES 12 p 160 ARG ILE LEU ARG ASP ILE GLU GLN TYR TYR SER THR GLN SEQRES 13 p 160 ILE ASP GLU MET ATOM 1 CA THR p 247 165.484 317.637 330.533 1.00 50.00 ATOM 2 CA LEU p 248 165.766 319.805 333.621 1.00 50.00 ATOM 3 CA GLU p 249 164.506 316.868 335.667 1.00 50.00 ATOM 4 CA GLY p 250 167.221 315.853 338.109 1.00 50.00 ATOM 5 CA ILE p 251 168.967 319.220 337.955 1.00 50.00 ATOM 6 CA LYS p 252 168.866 321.182 341.193 1.00 50.00 ATOM 7 CA GLN p 253 168.376 324.759 340.019 1.00 50.00 ATOM 8 CA PHE p 254 168.921 327.808 342.204 1.00 50.00 ATOM 9 CA PHE p 255 169.141 331.548 341.714 1.00 50.00 ATOM 10 CA VAL p 256 170.971 334.163 343.718 1.00 50.00 ATOM 11 CA ALA p 257 169.560 337.681 343.685 1.00 50.00 ATOM 12 CA VAL p 258 172.844 339.495 343.005 1.00 50.00 ATOM 13 CA GLU p 259 170.881 342.712 342.236 1.00 50.00 ATOM 14 CA ARG p 260 173.758 344.455 340.427 1.00 50.00 ATOM 15 CA GLU p 261 176.214 343.335 337.768 1.00 50.00 ATOM 16 CA GLU p 262 179.041 344.803 339.823 1.00 50.00 ATOM 17 CA TRP p 263 178.150 342.380 342.632 1.00 50.00 ATOM 18 CA LYS p 264 178.524 339.200 340.569 1.00 50.00 ATOM 19 CA PHE p 265 182.273 338.628 340.983 1.00 50.00 ATOM 20 CA ASP p 266 182.320 339.071 344.775 1.00 50.00 ATOM 21 CA THR p 267 179.432 336.590 345.012 1.00 50.00 ATOM 22 CA LEU p 268 181.220 334.050 342.789 1.00 50.00 ATOM 23 CA CYS p 269 184.297 334.422 345.003 1.00 50.00 ATOM 24 CA ASP p 270 182.214 333.885 348.138 1.00 50.00 ATOM 25 CA LEU p 271 180.681 330.711 346.696 1.00 50.00 ATOM 26 CA TYR p 272 184.240 329.419 346.210 1.00 50.00 ATOM 27 CA ASP p 273 184.988 330.265 349.859 1.00 50.00 ATOM 28 CA THR p 274 181.995 328.285 351.125 1.00 50.00 ATOM 29 CA LEU p 275 181.337 325.371 348.746 1.00 50.00 ATOM 30 CA THR p 276 183.199 322.187 347.894 1.00 50.00 ATOM 31 CA ILE p 277 183.905 322.181 344.181 1.00 50.00 ATOM 32 CA THR p 278 185.729 319.642 342.055 1.00 50.00 ATOM 33 CA GLN p 279 185.407 321.430 338.760 1.00 50.00 ATOM 34 CA ALA p 280 182.786 323.955 337.696 1.00 50.00 ATOM 35 CA VAL p 281 181.486 325.336 334.433 1.00 50.00 ATOM 36 CA ILE p 282 180.626 329.047 334.239 1.00 50.00 ATOM 37 CA PHE p 283 178.402 330.423 331.443 1.00 50.00 ATOM 38 CA CYS p 284 178.353 334.027 330.226 1.00 50.00 ATOM 39 CA ASN p 285 176.315 335.624 327.418 1.00 50.00 ATOM 40 CA THR p 286 179.206 337.272 325.558 1.00 50.00 ATOM 41 CA LYS p 287 182.786 336.614 324.481 1.00 50.00 ATOM 42 CA ARG p 288 183.538 339.963 326.149 1.00 50.00 ATOM 43 CA LYS p 289 182.324 338.770 329.550 1.00 50.00 ATOM 44 CA VAL p 290 184.181 335.445 329.160 1.00 50.00 ATOM 45 CA ASP p 291 187.461 337.233 328.391 1.00 50.00 ATOM 46 CA TRP p 292 186.875 339.580 331.309 1.00 50.00 ATOM 47 CA LEU p 293 185.933 336.871 333.809 1.00 50.00 ATOM 48 CA THR p 294 188.817 334.653 332.699 1.00 50.00 ATOM 49 CA GLU p 295 191.329 337.478 333.317 1.00 50.00 ATOM 50 CA LYS p 296 189.734 338.195 336.691 1.00 50.00 ATOM 51 CA MET p 297 189.698 334.605 337.936 1.00 50.00 ATOM 52 CA ARG p 298 193.236 333.898 336.709 1.00 50.00 ATOM 53 CA GLU p 299 194.413 337.028 338.523 1.00 50.00 ATOM 54 CA ALA p 300 192.612 335.535 341.546 1.00 50.00 ATOM 55 CA ASN p 301 194.705 332.383 341.024 1.00 50.00 ATOM 56 CA PHE p 302 192.027 330.115 339.599 1.00 50.00 ATOM 57 CA THR p 303 193.060 327.651 336.899 1.00 50.00 ATOM 58 CA VAL p 304 190.757 328.437 334.005 1.00 50.00 ATOM 59 CA SER p 305 190.024 327.236 330.493 1.00 50.00 ATOM 60 CA SER p 306 187.936 329.658 328.420 1.00 50.00 ATOM 61 CA MET p 307 185.816 329.044 325.375 1.00 50.00 ATOM 62 CA HIS p 308 183.785 331.240 322.989 1.00 50.00 ATOM 63 CA GLY p 309 182.380 331.510 319.459 1.00 50.00 ATOM 64 CA ASP p 310 185.329 333.337 317.866 1.00 50.00 ATOM 65 CA MET p 311 187.348 330.106 317.919 1.00 50.00 ATOM 66 CA PRO p 312 187.054 327.168 315.472 1.00 50.00 ATOM 67 CA GLN p 313 185.332 323.969 316.628 1.00 50.00 ATOM 68 CA LYS p 314 188.737 322.226 316.729 1.00 50.00 ATOM 69 CA GLU p 315 190.089 324.665 319.313 1.00 50.00 ATOM 70 CA ARG p 316 186.954 324.357 321.449 1.00 50.00 ATOM 71 CA GLU p 317 187.252 320.571 321.480 1.00 50.00 ATOM 72 CA SER p 318 190.944 320.753 322.382 1.00 50.00 ATOM 73 CA ILE p 319 190.196 323.144 325.222 1.00 50.00 ATOM 74 CA MET p 320 187.481 320.799 326.419 1.00 50.00 ATOM 75 CA LYS p 321 190.090 318.037 326.458 1.00 50.00 ATOM 76 CA GLU p 322 192.398 320.198 328.597 1.00 50.00 ATOM 77 CA PHE p 323 189.567 320.923 331.034 1.00 50.00 ATOM 78 CA ARG p 324 188.458 317.278 331.161 1.00 50.00 ATOM 79 CA SER p 325 192.061 316.282 331.896 1.00 50.00 ATOM 80 CA GLY p 326 192.009 318.463 334.983 1.00 50.00 ATOM 81 CA ALA p 327 194.604 320.988 333.777 1.00 50.00 ATOM 82 CA SER p 328 192.064 323.631 334.770 1.00 50.00 ATOM 83 CA ARG p 329 189.365 323.484 337.434 1.00 50.00 ATOM 84 CA VAL p 330 187.171 326.210 335.924 1.00 50.00 ATOM 85 CA LEU p 331 185.709 326.234 332.415 1.00 50.00 ATOM 86 CA ILE p 332 184.267 329.550 331.241 1.00 50.00 ATOM 87 CA SER p 333 182.158 329.526 328.085 1.00 50.00 ATOM 88 CA THR p 334 179.579 331.284 325.946 1.00 50.00 ATOM 89 CA ASP p 335 176.804 329.271 324.336 1.00 50.00 ATOM 90 CA VAL p 336 178.765 326.978 322.002 1.00 50.00 ATOM 91 CA TRP p 337 177.617 323.497 323.087 1.00 50.00 ATOM 92 CA GLY p 340 174.566 319.912 326.878 1.00 50.00 ATOM 93 CA LEU p 341 177.911 319.152 328.528 1.00 50.00 ATOM 94 CA ASP p 342 179.601 315.851 329.396 1.00 50.00 ATOM 95 CA VAL p 343 181.870 316.520 332.366 1.00 50.00 ATOM 96 CA PRO p 344 181.674 313.816 335.079 1.00 50.00 ATOM 97 CA GLN p 345 184.019 315.794 337.337 1.00 50.00 ATOM 98 CA VAL p 346 181.940 318.975 337.101 1.00 50.00 ATOM 99 CA SER p 347 180.391 319.721 340.504 1.00 50.00 ATOM 100 CA LEU p 348 178.290 322.706 339.506 1.00 50.00 ATOM 101 CA ILE p 349 177.228 324.914 336.630 1.00 50.00 ATOM 102 CA ILE p 350 177.023 328.646 337.265 1.00 50.00 ATOM 103 CA ASN p 351 175.012 330.917 334.984 1.00 50.00 ATOM 104 CA TYR p 352 177.034 334.065 335.612 1.00 50.00 ATOM 105 CA ASP p 353 174.786 335.529 332.949 1.00 50.00 ATOM 106 CA LEU p 354 171.203 334.488 332.365 1.00 50.00 ATOM 107 CA PRO p 355 170.740 333.946 328.608 1.00 50.00 ATOM 108 CA ASN p 356 168.651 336.576 326.825 1.00 50.00 ATOM 109 CA ASN p 357 167.080 333.790 324.794 1.00 50.00 ATOM 110 CA ARG p 358 165.132 331.264 326.879 1.00 50.00 ATOM 111 CA GLU p 359 165.937 328.203 324.754 1.00 50.00 ATOM 112 CA LEU p 360 169.660 328.374 325.492 1.00 50.00 ATOM 113 CA TYR p 361 169.016 327.716 329.190 1.00 50.00 ATOM 114 CA ILE p 362 168.330 323.986 328.943 1.00 50.00 ATOM 115 CA HIS p 363 171.216 323.588 326.476 1.00 50.00 ATOM 116 CA ARG p 364 173.497 324.966 329.161 1.00 50.00 ATOM 117 CA ILE p 365 172.290 322.885 332.100 1.00 50.00 ATOM 118 CA GLY p 366 170.081 320.120 330.713 1.00 50.00 ATOM 119 CA ARG p 367 170.494 316.375 331.236 1.00 50.00 ATOM 120 CA SER p 368 171.040 314.544 327.941 1.00 50.00 ATOM 121 CA GLY p 369 170.029 310.911 327.449 1.00 50.00 ATOM 122 CA ARG p 370 168.052 308.626 329.718 1.00 50.00 ATOM 123 CA TYR p 371 171.167 308.280 331.905 1.00 50.00 ATOM 124 CA GLY p 372 172.329 311.909 331.944 1.00 50.00 ATOM 125 CA ARG p 373 174.057 312.881 335.184 1.00 50.00 ATOM 126 CA LYS p 374 172.120 314.600 337.949 1.00 50.00 ATOM 127 CA GLY p 375 173.432 318.128 338.451 1.00 50.00 ATOM 128 CA VAL p 376 173.297 321.499 340.146 1.00 50.00 ATOM 129 CA ALA p 377 172.859 324.912 338.539 1.00 50.00 ATOM 130 CA ILE p 378 173.278 328.309 340.228 1.00 50.00 ATOM 131 CA ASN p 379 171.847 331.344 338.407 1.00 50.00 ATOM 132 CA PHE p 380 173.085 334.876 339.106 1.00 50.00 ATOM 133 CA VAL p 381 170.077 337.133 338.655 1.00 50.00 ATOM 134 CA LYS p 382 170.152 340.935 338.475 1.00 50.00 ATOM 135 CA ASN p 383 166.921 342.878 339.011 1.00 50.00 ATOM 136 CA ASP p 384 167.492 343.660 335.337 1.00 50.00 ATOM 137 CA ASP p 385 167.017 339.942 334.737 1.00 50.00 ATOM 138 CA ILE p 386 164.101 339.489 337.115 1.00 50.00 ATOM 139 CA ARG p 387 161.745 339.114 334.144 1.00 50.00 ATOM 140 CA ILE p 388 164.067 336.864 332.074 1.00 50.00 ATOM 141 CA LEU p 389 164.424 334.505 335.038 1.00 50.00 ATOM 142 CA ARG p 390 160.642 334.373 335.333 1.00 50.00 ATOM 143 CA ASP p 391 160.379 333.859 331.580 1.00 50.00 ATOM 144 CA ILE p 392 162.659 330.808 331.857 1.00 50.00 ATOM 145 CA GLU p 393 160.657 329.304 334.738 1.00 50.00 ATOM 146 CA GLN p 394 157.399 329.687 332.813 1.00 50.00 ATOM 147 CA TYR p 395 158.783 328.426 329.488 1.00 50.00 ATOM 148 CA TYR p 396 160.208 325.090 330.727 1.00 50.00 ATOM 149 CA SER p 397 157.482 324.756 333.370 1.00 50.00 ATOM 150 CA THR p 398 160.245 324.221 335.939 1.00 50.00 ATOM 151 CA GLN p 399 161.232 325.462 339.398 1.00 50.00 ATOM 152 CA ILE p 400 164.256 327.525 340.402 1.00 50.00 ATOM 153 CA ASP p 401 164.504 328.194 344.112 1.00 50.00 ATOM 154 CA GLU p 402 166.253 330.980 345.957 1.00 50.00 ATOM 155 CA MET p 403 169.581 329.507 347.053 1.00 50.00 TER