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: 31; COMPND 2 MOLECULE: ATP-dependent RNA helicase DHX8; COMPND 3 CHAIN: q; COMPND 4 EC: 3.6.4.13; EXPDTA ELECTRON MICROSCOPY DBREF 5MQF q 3 1215 UNP Q14562 DHX8_HUMAN 1 1220 SEQRES 1 q 182 ILE LEU GLU GLN ARG GLU SER LEU PRO ILE TYR LYS LEU SEQRES 2 q 182 LYS GLU GLN LEU VAL GLN ALA VAL HIS ASP ASN GLN ILE SEQRES 3 q 182 LEU ILE VAL ILE GLY GLU THR GLY SER GLY LYS THR THR SEQRES 4 q 182 GLN ILE THR GLN TYR LEU ALA GLU ALA GLY TYR THR SER SEQRES 5 q 182 ARG GLY LYS ILE GLY CYS THR GLN PRO ARG ARG VAL ALA SEQRES 6 q 182 ALA MET SER VAL ALA LYS ARG VAL SER GLU GLU PHE GLY SEQRES 7 q 182 CYS CYS LEU GLY GLN GLU VAL GLY TYR THR ILE ARG PHE SEQRES 8 q 182 GLU ASP CYS THR SER PRO GLU THR VAL ILE LYS TYR MET SEQRES 9 q 182 THR ASP GLY MET LEU LEU ARG GLU CYS LEU ILE ASP PRO SEQRES 10 q 182 ASP LEU THR GLN TYR ALA ILE ILE MET LEU ASP GLU ALA SEQRES 11 q 182 HIS GLU ARG THR ILE HIS THR ASP VAL LEU PHE GLY LEU SEQRES 12 q 182 LEU LYS LYS THR VAL GLN LYS ARG GLN ASP MET LYS LEU SEQRES 13 q 182 ILE VAL THR SER ALA THR LEU ASP ALA VAL LYS PHE SER SEQRES 14 q 182 GLN TYR PHE TYR GLU ALA PRO ILE PHE THR ILE PRO GLY ATOM 1 CA ILE q 560 238.391 395.719 217.719 1.00 50.00 ATOM 2 CA LEU q 561 240.849 397.543 215.105 1.00 50.00 ATOM 3 CA GLU q 562 240.459 400.854 216.874 1.00 50.00 ATOM 4 CA GLN q 563 240.839 399.356 220.306 1.00 50.00 ATOM 5 CA ARG q 564 243.937 397.283 219.515 1.00 50.00 ATOM 6 CA GLU q 565 245.576 400.323 217.985 1.00 50.00 ATOM 7 CA SER q 566 245.929 401.593 221.513 1.00 50.00 ATOM 8 CA LEU q 567 248.321 398.802 222.430 1.00 50.00 ATOM 9 CA PRO q 568 251.770 400.098 223.218 1.00 50.00 ATOM 10 CA ILE q 569 253.324 397.729 220.670 1.00 50.00 ATOM 11 CA TYR q 570 251.651 399.742 217.925 1.00 50.00 ATOM 12 CA LYS q 571 253.713 402.850 218.420 1.00 50.00 ATOM 13 CA LEU q 572 256.934 400.837 217.897 1.00 50.00 ATOM 14 CA LYS q 573 255.712 398.799 214.904 1.00 50.00 ATOM 15 CA GLU q 574 258.110 400.491 212.529 1.00 50.00 ATOM 16 CA GLN q 575 260.946 399.947 214.975 1.00 50.00 ATOM 17 CA LEU q 576 260.134 396.303 215.127 1.00 50.00 ATOM 18 CA VAL q 577 259.840 395.867 211.397 1.00 50.00 ATOM 19 CA GLN q 578 263.271 397.305 210.880 1.00 50.00 ATOM 20 CA ALA q 579 264.768 394.893 213.374 1.00 50.00 ATOM 21 CA VAL q 580 262.951 391.938 211.904 1.00 50.00 ATOM 22 CA HIS q 581 264.011 392.825 208.391 1.00 50.00 ATOM 23 CA ASP q 582 267.664 393.183 209.364 1.00 50.00 ATOM 24 CA ASN q 583 268.194 390.210 211.642 1.00 50.00 ATOM 25 CA GLN q 584 267.759 386.439 211.691 1.00 50.00 ATOM 26 CA ILE q 585 267.076 386.344 215.405 1.00 50.00 ATOM 27 CA LEU q 586 265.674 389.066 217.620 1.00 50.00 ATOM 28 CA ILE q 587 264.547 389.423 221.200 1.00 50.00 ATOM 29 CA VAL q 588 261.417 391.385 222.049 1.00 50.00 ATOM 30 CA ILE q 589 260.591 392.390 225.592 1.00 50.00 ATOM 31 CA GLY q 590 257.518 394.030 227.041 1.00 50.00 ATOM 32 CA GLU q 591 255.212 393.851 230.001 1.00 50.00 ATOM 33 CA THR q 592 252.196 391.632 229.814 1.00 50.00 ATOM 34 CA GLY q 593 249.262 393.411 228.218 1.00 50.00 ATOM 35 CA SER q 594 251.589 395.353 225.929 1.00 50.00 ATOM 36 CA GLY q 595 250.313 393.438 222.929 1.00 50.00 ATOM 37 CA LYS q 596 253.180 391.069 222.185 1.00 50.00 ATOM 38 CA THR q 597 251.219 387.870 221.534 1.00 50.00 ATOM 39 CA THR q 598 248.290 389.350 219.648 1.00 50.00 ATOM 40 CA GLN q 599 249.863 392.089 217.520 1.00 50.00 ATOM 41 CA ILE q 600 253.418 391.082 216.741 1.00 50.00 ATOM 42 CA THR q 601 252.567 387.929 214.866 1.00 50.00 ATOM 43 CA GLN q 602 250.154 390.008 212.840 1.00 50.00 ATOM 44 CA TYR q 603 252.794 392.565 212.045 1.00 50.00 ATOM 45 CA LEU q 604 255.014 389.767 210.815 1.00 50.00 ATOM 46 CA ALA q 605 252.288 388.538 208.497 1.00 50.00 ATOM 47 CA GLU q 606 252.342 391.865 206.684 1.00 50.00 ATOM 48 CA ALA q 607 256.074 392.074 206.264 1.00 50.00 ATOM 49 CA GLY q 608 256.604 388.347 205.799 1.00 50.00 ATOM 50 CA TYR q 609 253.624 387.426 203.620 1.00 50.00 ATOM 51 CA THR q 610 254.223 383.921 204.759 1.00 50.00 ATOM 52 CA SER q 611 251.490 382.243 202.620 1.00 50.00 ATOM 53 CA ARG q 612 253.777 379.656 201.003 1.00 50.00 ATOM 54 CA GLY q 613 254.493 378.804 204.666 1.00 50.00 ATOM 55 CA LYS q 614 253.163 379.705 208.080 1.00 50.00 ATOM 56 CA ILE q 615 254.221 381.551 211.189 1.00 50.00 ATOM 57 CA GLY q 616 254.284 379.773 214.499 1.00 50.00 ATOM 58 CA CYS q 617 253.745 381.471 217.826 1.00 50.00 ATOM 59 CA THR q 618 254.474 379.241 220.768 1.00 50.00 ATOM 60 CA GLN q 619 252.898 379.395 224.206 1.00 50.00 ATOM 61 CA PRO q 620 253.835 377.497 227.300 1.00 50.00 ATOM 62 CA ARG q 621 250.204 377.442 228.295 1.00 50.00 ATOM 63 CA ARG q 622 247.376 375.733 226.475 1.00 50.00 ATOM 64 CA VAL q 623 244.832 378.282 227.615 1.00 50.00 ATOM 65 CA ALA q 624 246.895 381.162 226.320 1.00 50.00 ATOM 66 CA ALA q 625 247.297 379.512 222.960 1.00 50.00 ATOM 67 CA MET q 626 243.624 378.679 222.602 1.00 50.00 ATOM 68 CA SER q 627 242.215 381.966 223.864 1.00 50.00 ATOM 69 CA VAL q 628 244.697 384.110 222.036 1.00 50.00 ATOM 70 CA ALA q 629 244.103 382.347 218.771 1.00 50.00 ATOM 71 CA LYS q 630 240.405 382.926 219.199 1.00 50.00 ATOM 72 CA ARG q 631 241.050 386.583 219.789 1.00 50.00 ATOM 73 CA VAL q 632 243.492 386.991 216.923 1.00 50.00 ATOM 74 CA SER q 633 241.087 385.345 214.544 1.00 50.00 ATOM 75 CA GLU q 634 238.644 388.069 215.440 1.00 50.00 ATOM 76 CA GLU q 635 241.246 390.778 215.044 1.00 50.00 ATOM 77 CA PHE q 636 242.053 389.291 211.650 1.00 50.00 ATOM 78 CA GLY q 637 238.406 389.020 210.672 1.00 50.00 ATOM 79 CA CYS q 638 238.917 385.371 209.782 1.00 50.00 ATOM 80 CA CYS q 639 237.361 382.163 211.054 1.00 50.00 ATOM 81 CA LEU q 640 239.129 380.260 213.794 1.00 50.00 ATOM 82 CA GLY q 641 240.692 377.095 212.479 1.00 50.00 ATOM 83 CA GLN q 642 241.182 378.805 209.149 1.00 50.00 ATOM 84 CA GLU q 643 243.691 381.576 208.565 1.00 50.00 ATOM 85 CA VAL q 644 244.328 381.650 212.281 1.00 50.00 ATOM 86 CA GLY q 645 244.275 378.454 214.263 1.00 50.00 ATOM 87 CA TYR q 646 245.829 376.756 217.241 1.00 50.00 ATOM 88 CA THR q 647 247.362 373.392 217.962 1.00 50.00 ATOM 89 CA ILE q 648 247.381 371.772 221.378 1.00 50.00 ATOM 90 CA ARG q 649 248.094 368.207 222.332 1.00 50.00 ATOM 91 CA PHE q 650 245.027 366.144 221.537 1.00 50.00 ATOM 92 CA GLU q 651 243.278 369.283 220.391 1.00 50.00 ATOM 93 CA ASP q 652 243.948 370.614 216.944 1.00 50.00 ATOM 94 CA CYS q 653 242.134 373.469 215.320 1.00 50.00 ATOM 95 CA THR q 654 243.976 374.168 212.110 1.00 50.00 ATOM 96 CA SER q 655 243.497 373.535 208.416 1.00 50.00 ATOM 97 CA PRO q 656 245.255 373.861 205.125 1.00 50.00 ATOM 98 CA GLU q 657 244.175 377.518 205.228 1.00 50.00 ATOM 99 CA THR q 658 246.019 378.340 208.458 1.00 50.00 ATOM 100 CA VAL q 659 248.653 381.080 208.049 1.00 50.00 ATOM 101 CA ILE q 660 249.255 381.952 211.699 1.00 50.00 ATOM 102 CA LYS q 661 249.434 379.114 214.130 1.00 50.00 ATOM 103 CA TYR q 662 249.408 379.652 217.860 1.00 50.00 ATOM 104 CA MET q 663 250.476 376.511 219.616 1.00 50.00 ATOM 105 CA THR q 664 252.018 375.183 222.767 1.00 50.00 ATOM 106 CA ASP q 665 255.767 374.893 222.860 1.00 50.00 ATOM 107 CA GLY q 666 255.343 371.185 223.276 1.00 50.00 ATOM 108 CA MET q 667 253.450 370.919 220.005 1.00 50.00 ATOM 109 CA LEU q 668 256.045 372.746 217.958 1.00 50.00 ATOM 110 CA LEU q 669 258.637 370.543 219.523 1.00 50.00 ATOM 111 CA ARG q 670 256.641 367.575 218.336 1.00 50.00 ATOM 112 CA GLU q 671 256.489 368.970 214.839 1.00 50.00 ATOM 113 CA CYS q 672 260.233 369.461 214.925 1.00 50.00 ATOM 114 CA LEU q 673 260.620 365.807 215.739 1.00 50.00 ATOM 115 CA ILE q 674 258.996 364.906 212.447 1.00 50.00 ATOM 116 CA ASP q 675 260.717 367.678 210.520 1.00 50.00 ATOM 117 CA PRO q 676 263.948 368.894 211.996 1.00 50.00 ATOM 118 CA ASP q 677 264.056 371.936 209.720 1.00 50.00 ATOM 119 CA LEU q 678 260.547 373.043 210.602 1.00 50.00 ATOM 120 CA THR q 679 260.391 373.761 206.883 1.00 50.00 ATOM 121 CA GLN q 680 256.728 374.667 207.092 1.00 50.00 ATOM 122 CA TYR q 681 257.424 377.881 208.988 1.00 50.00 ATOM 123 CA ALA q 682 259.131 381.047 207.715 1.00 50.00 ATOM 124 CA ILE q 683 259.002 382.691 211.107 1.00 50.00 ATOM 125 CA ILE q 684 258.916 381.117 214.524 1.00 50.00 ATOM 126 CA MET q 685 257.995 383.170 217.543 1.00 50.00 ATOM 127 CA LEU q 686 258.865 381.708 220.901 1.00 50.00 ATOM 128 CA ASP q 687 256.670 383.689 223.274 1.00 50.00 ATOM 129 CA GLU q 688 256.778 383.878 227.069 1.00 50.00 ATOM 130 CA ALA q 689 260.416 382.809 227.036 1.00 50.00 ATOM 131 CA HIS q 690 260.756 384.026 230.596 1.00 50.00 ATOM 132 CA GLU q 691 258.821 380.982 231.767 1.00 50.00 ATOM 133 CA ARG q 692 261.793 378.930 230.632 1.00 50.00 ATOM 134 CA THR q 693 259.799 375.760 230.186 1.00 50.00 ATOM 135 CA ILE q 694 261.516 372.569 229.108 1.00 50.00 ATOM 136 CA HIS q 695 259.929 372.688 225.686 1.00 50.00 ATOM 137 CA THR q 696 260.939 376.253 225.030 1.00 50.00 ATOM 138 CA ASP q 697 264.460 375.589 226.225 1.00 50.00 ATOM 139 CA VAL q 698 264.776 372.713 223.828 1.00 50.00 ATOM 140 CA LEU q 699 263.283 374.771 221.021 1.00 50.00 ATOM 141 CA PHE q 700 265.757 377.554 221.623 1.00 50.00 ATOM 142 CA GLY q 701 268.584 375.100 221.389 1.00 50.00 ATOM 143 CA LEU q 702 267.348 373.500 218.214 1.00 50.00 ATOM 144 CA LEU q 703 266.430 376.760 216.575 1.00 50.00 ATOM 145 CA LYS q 704 269.882 378.129 217.101 1.00 50.00 ATOM 146 CA LYS q 705 271.209 375.287 214.948 1.00 50.00 ATOM 147 CA THR q 706 268.375 375.290 212.441 1.00 50.00 ATOM 148 CA VAL q 707 269.059 378.913 211.707 1.00 50.00 ATOM 149 CA GLN q 708 272.426 378.036 210.262 1.00 50.00 ATOM 150 CA LYS q 709 270.673 375.514 208.040 1.00 50.00 ATOM 151 CA ARG q 710 267.987 377.871 206.813 1.00 50.00 ATOM 152 CA GLN q 711 268.683 381.486 205.898 1.00 50.00 ATOM 153 CA ASP q 712 264.979 381.808 205.138 1.00 50.00 ATOM 154 CA MET q 713 263.893 381.272 208.714 1.00 50.00 ATOM 155 CA LYS q 714 263.433 384.151 211.131 1.00 50.00 ATOM 156 CA LEU q 715 263.180 383.776 214.886 1.00 50.00 ATOM 157 CA ILE q 716 261.692 386.113 217.456 1.00 50.00 ATOM 158 CA VAL q 717 262.051 385.500 221.164 1.00 50.00 ATOM 159 CA THR q 718 259.514 387.306 223.264 1.00 50.00 ATOM 160 CA SER q 719 259.622 387.714 227.000 1.00 50.00 ATOM 161 CA ALA q 720 257.939 389.684 229.771 1.00 50.00 ATOM 162 CA THR q 721 261.155 390.198 231.677 1.00 50.00 ATOM 163 CA LEU q 722 262.878 393.438 230.856 1.00 50.00 ATOM 164 CA ASP q 723 266.027 391.381 231.369 1.00 50.00 ATOM 165 CA ALA q 724 267.394 390.775 227.842 1.00 50.00 ATOM 166 CA VAL q 725 271.070 390.139 228.367 1.00 50.00 ATOM 167 CA LYS q 726 271.243 386.426 228.937 1.00 50.00 ATOM 168 CA PHE q 727 269.023 385.786 225.952 1.00 50.00 ATOM 169 CA SER q 728 270.882 388.125 223.648 1.00 50.00 ATOM 170 CA GLN q 729 274.185 386.497 224.502 1.00 50.00 ATOM 171 CA TYR q 730 272.788 383.020 223.984 1.00 50.00 ATOM 172 CA PHE q 731 271.431 384.230 220.662 1.00 50.00 ATOM 173 CA TYR q 732 274.807 385.449 219.487 1.00 50.00 ATOM 174 CA GLU q 733 274.280 389.034 220.528 1.00 50.00 ATOM 175 CA ALA q 734 270.927 389.317 218.857 1.00 50.00 ATOM 176 CA PRO q 735 269.352 392.723 218.943 1.00 50.00 ATOM 177 CA ILE q 736 266.750 393.715 221.507 1.00 50.00 ATOM 178 CA PHE q 737 263.584 395.778 221.271 1.00 50.00 ATOM 179 CA THR q 738 261.986 396.804 224.497 1.00 50.00 ATOM 180 CA ILE q 739 258.604 398.354 224.973 1.00 50.00 ATOM 181 CA PRO q 740 258.222 400.858 227.706 1.00 50.00 ATOM 182 CA GLY q 741 256.038 399.916 230.635 1.00 50.00 TER