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: 29; COMPND 2 MOLECULE: Peptidyl-prolyl cis-trans isomerase E; COMPND 3 CHAIN: o; COMPND 4 EC: 5.2.1.8; EXPDTA ELECTRON MICROSCOPY DBREF 5MQF o 1 301 UNP Q9UNP9 PPIE_HUMAN 1 301 SEQRES 1 o 76 VAL LEU TYR VAL GLY GLY LEU ALA GLU GLU VAL ASP ASP SEQRES 2 o 76 LYS VAL LEU HIS ALA ALA PHE ILE PRO PHE GLY ASP ILE SEQRES 3 o 76 THR ASP ILE GLN ILE PRO LEU ASP TYR GLU THR GLU LYS SEQRES 4 o 76 HIS ARG GLY PHE ALA PHE VAL GLU PHE GLU LEU ALA GLU SEQRES 5 o 76 ASP ALA ALA ALA ALA ILE ASP ASN MET ASN GLU SER GLU SEQRES 6 o 76 LEU PHE GLY ARG THR ILE ARG VAL ASN LEU ALA ATOM 1 CA VAL o 7 363.295 272.863 310.500 1.00 50.00 ATOM 2 CA LEU o 8 359.976 274.631 311.125 1.00 50.00 ATOM 3 CA TYR o 9 359.074 276.446 314.357 1.00 50.00 ATOM 4 CA VAL o 10 355.672 275.725 315.901 1.00 50.00 ATOM 5 CA GLY o 11 354.276 278.022 318.613 1.00 50.00 ATOM 6 CA GLY o 12 351.095 278.278 320.697 1.00 50.00 ATOM 7 CA LEU o 13 351.130 274.505 321.339 1.00 50.00 ATOM 8 CA ALA o 14 349.009 272.903 324.071 1.00 50.00 ATOM 9 CA GLU o 15 350.142 271.118 327.249 1.00 50.00 ATOM 10 CA GLU o 16 349.083 267.792 325.674 1.00 50.00 ATOM 11 CA VAL o 17 350.803 268.377 322.305 1.00 50.00 ATOM 12 CA ASP o 18 354.166 266.624 322.011 1.00 50.00 ATOM 13 CA ASP o 19 356.626 265.237 319.431 1.00 50.00 ATOM 14 CA LYS o 20 354.041 262.482 318.834 1.00 50.00 ATOM 15 CA VAL o 21 351.027 264.794 318.341 1.00 50.00 ATOM 16 CA LEU o 22 353.098 267.022 316.024 1.00 50.00 ATOM 17 CA HIS o 23 354.427 263.987 314.117 1.00 50.00 ATOM 18 CA ALA o 24 351.025 262.553 313.149 1.00 50.00 ATOM 19 CA ALA o 25 349.892 266.154 312.645 1.00 50.00 ATOM 20 CA PHE o 26 352.312 269.076 312.922 1.00 50.00 ATOM 21 CA ILE o 27 352.961 272.259 310.942 1.00 50.00 ATOM 22 CA PRO o 28 353.913 270.544 307.674 1.00 50.00 ATOM 23 CA PHE o 29 356.542 267.881 308.382 1.00 50.00 ATOM 24 CA GLY o 30 357.129 267.652 312.127 1.00 50.00 ATOM 25 CA ASP o 31 356.289 263.954 312.299 1.00 50.00 ATOM 26 CA ILE o 32 358.719 263.005 309.530 1.00 50.00 ATOM 27 CA THR o 33 362.523 262.854 309.752 1.00 50.00 ATOM 28 CA ASP o 34 363.268 264.104 313.285 1.00 50.00 ATOM 29 CA ILE o 35 361.515 266.227 315.921 1.00 50.00 ATOM 30 CA GLN o 36 362.875 268.342 318.782 1.00 50.00 ATOM 31 CA ILE o 37 360.998 269.453 321.903 1.00 50.00 ATOM 32 CA PRO o 38 361.573 270.617 325.487 1.00 50.00 ATOM 33 CA LEU o 39 361.692 267.369 327.470 1.00 50.00 ATOM 34 CA ASP o 40 362.733 267.074 331.117 1.00 50.00 ATOM 35 CA TYR o 41 364.541 264.230 332.882 1.00 50.00 ATOM 36 CA GLU o 42 361.860 263.509 335.482 1.00 50.00 ATOM 37 CA THR o 43 358.876 265.618 334.424 1.00 50.00 ATOM 38 CA GLU o 44 359.251 264.962 330.686 1.00 50.00 ATOM 39 CA LYS o 45 356.564 267.476 329.714 1.00 50.00 ATOM 40 CA HIS o 46 356.648 269.661 326.602 1.00 50.00 ATOM 41 CA ARG o 47 355.888 273.380 326.832 1.00 50.00 ATOM 42 CA GLY o 48 353.861 274.493 323.818 1.00 50.00 ATOM 43 CA PHE o 49 356.257 274.911 320.904 1.00 50.00 ATOM 44 CA ALA o 50 358.844 272.745 319.114 1.00 50.00 ATOM 45 CA PHE o 51 360.878 272.176 315.947 1.00 50.00 ATOM 46 CA VAL o 52 359.983 269.738 313.160 1.00 50.00 ATOM 47 CA GLU o 53 362.295 268.670 310.313 1.00 50.00 ATOM 48 CA PHE o 54 361.177 267.859 306.770 1.00 50.00 ATOM 49 CA GLU o 55 362.774 265.339 304.401 1.00 50.00 ATOM 50 CA LEU o 56 362.869 268.200 301.858 1.00 50.00 ATOM 51 CA ALA o 57 362.743 272.012 301.791 1.00 50.00 ATOM 52 CA GLU o 58 359.696 272.405 299.499 1.00 50.00 ATOM 53 CA ASP o 59 357.595 270.196 301.804 1.00 50.00 ATOM 54 CA ALA o 60 358.566 272.398 304.779 1.00 50.00 ATOM 55 CA ALA o 61 357.609 275.680 303.046 1.00 50.00 ATOM 56 CA ALA o 62 354.207 274.183 302.124 1.00 50.00 ATOM 57 CA ALA o 63 353.686 273.041 305.734 1.00 50.00 ATOM 58 CA ILE o 64 354.269 276.607 307.011 1.00 50.00 ATOM 59 CA ASP o 65 351.938 278.354 304.521 1.00 50.00 ATOM 60 CA ASN o 66 349.270 275.917 305.786 1.00 50.00 ATOM 61 CA MET o 67 349.961 275.107 309.454 1.00 50.00 ATOM 62 CA ASN o 68 350.550 278.886 309.771 1.00 50.00 ATOM 63 CA GLU o 69 347.871 280.190 312.133 1.00 50.00 ATOM 64 CA SER o 70 346.189 276.754 311.899 1.00 50.00 ATOM 65 CA GLU o 71 343.792 275.194 314.424 1.00 50.00 ATOM 66 CA LEU o 72 345.234 272.437 316.632 1.00 50.00 ATOM 67 CA PHE o 73 343.596 271.088 319.813 1.00 50.00 ATOM 68 CA GLY o 74 341.064 273.937 319.658 1.00 50.00 ATOM 69 CA ARG o 75 343.967 276.444 319.615 1.00 50.00 ATOM 70 CA THR o 76 345.722 278.669 317.062 1.00 50.00 ATOM 71 CA ILE o 77 349.344 277.596 316.571 1.00 50.00 ATOM 72 CA ARG o 78 351.955 279.635 314.672 1.00 50.00 ATOM 73 CA VAL o 79 354.431 278.239 312.125 1.00 50.00 ATOM 74 CA ASN o 80 357.547 279.901 310.714 1.00 50.00 ATOM 75 CA LEU o 81 361.207 279.268 309.796 1.00 50.00 ATOM 76 CA ALA o 82 363.291 278.369 312.861 1.00 50.00 TER