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 ARG p 243 DBREF 5MQF p 1 411 UNP P38919 IF4A3_HUMAN 1 411 SEQRES 1 p 205 THR PHE ASP THR MET GLY LEU ARG GLU ASP LEU LEU ARG SEQRES 2 p 205 GLY ILE TYR ALA TYR GLY PHE GLU LYS PRO SER ALA ILE SEQRES 3 p 205 GLN GLN ARG ALA ILE LYS GLN ILE ILE LYS GLY ARG ASP SEQRES 4 p 205 VAL ILE ALA GLN SER GLN SER GLY THR GLY LYS THR ALA SEQRES 5 p 205 THR PHE SER ILE SER VAL LEU GLN CYS LEU ASP ILE GLN SEQRES 6 p 205 VAL ARG GLU THR GLN ALA LEU ILE LEU ALA PRO THR ARG SEQRES 7 p 205 GLU LEU ALA VAL GLN ILE GLN LYS GLY LEU LEU ALA LEU SEQRES 8 p 205 GLY ASP TYR MET ASN VAL GLN CYS HIS ALA CYS ILE GLY SEQRES 9 p 205 GLY THR ASN VAL GLY GLU ASP ILE ARG LYS LEU ASP TYR SEQRES 10 p 205 GLY GLN HIS VAL VAL ALA GLY THR PRO GLY ARG VAL PHE SEQRES 11 p 205 ASP MET ILE ARG ARG ARG SER LEU ARG THR ARG ALA ILE SEQRES 12 p 205 LYS MET LEU VAL LEU ASP GLU ALA ASP GLU MET LEU ASN SEQRES 13 p 205 LYS GLY PHE LYS GLU GLN ILE TYR ASP VAL TYR ARG TYR SEQRES 14 p 205 LEU PRO PRO ALA THR GLN VAL VAL LEU ILE SER ALA THR SEQRES 15 p 205 LEU PRO HIS GLU ILE LEU GLU MET THR ASN LYS PHE MET SEQRES 16 p 205 THR ASP PRO ILE ARG ILE LEU VAL LYS ARG ATOM 1 CA THR p 39 162.251 292.228 330.479 1.00 50.00 ATOM 2 CA PHE p 40 165.341 292.041 328.270 1.00 50.00 ATOM 3 CA ASP p 41 164.436 288.391 327.523 1.00 50.00 ATOM 4 CA THR p 42 161.116 289.173 325.835 1.00 50.00 ATOM 5 CA MET p 43 162.690 291.708 323.434 1.00 50.00 ATOM 6 CA GLY p 44 163.865 288.983 321.032 1.00 50.00 ATOM 7 CA LEU p 45 167.540 289.683 321.740 1.00 50.00 ATOM 8 CA ARG p 46 170.207 287.295 320.494 1.00 50.00 ATOM 9 CA GLU p 47 171.436 285.000 323.310 1.00 50.00 ATOM 10 CA ASP p 48 175.021 286.296 323.219 1.00 50.00 ATOM 11 CA LEU p 49 173.815 289.868 323.624 1.00 50.00 ATOM 12 CA LEU p 50 171.486 288.904 326.465 1.00 50.00 ATOM 13 CA ARG p 51 174.322 287.130 328.292 1.00 50.00 ATOM 14 CA GLY p 52 176.427 290.290 327.878 1.00 50.00 ATOM 15 CA ILE p 53 173.674 292.498 329.242 1.00 50.00 ATOM 16 CA TYR p 54 173.285 290.382 332.389 1.00 50.00 ATOM 17 CA ALA p 55 177.058 289.911 332.855 1.00 50.00 ATOM 18 CA TYR p 56 177.468 293.729 332.600 1.00 50.00 ATOM 19 CA GLY p 57 175.177 293.964 335.623 1.00 50.00 ATOM 20 CA PHE p 58 171.812 295.139 334.224 1.00 50.00 ATOM 21 CA GLU p 59 168.895 293.319 335.826 1.00 50.00 ATOM 22 CA LYS p 60 165.791 294.938 334.417 1.00 50.00 ATOM 23 CA PRO p 61 165.176 297.414 331.580 1.00 50.00 ATOM 24 CA SER p 62 164.624 301.048 332.474 1.00 50.00 ATOM 25 CA ALA p 63 161.437 302.664 331.116 1.00 50.00 ATOM 26 CA ILE p 64 163.097 304.046 327.944 1.00 50.00 ATOM 27 CA GLN p 65 164.715 300.651 327.330 1.00 50.00 ATOM 28 CA GLN p 66 161.310 299.020 327.750 1.00 50.00 ATOM 29 CA ARG p 67 160.021 301.203 324.851 1.00 50.00 ATOM 30 CA ALA p 68 162.864 302.062 322.443 1.00 50.00 ATOM 31 CA ILE p 69 164.968 298.917 321.994 1.00 50.00 ATOM 32 CA LYS p 70 162.186 297.011 320.206 1.00 50.00 ATOM 33 CA GLN p 71 161.530 299.959 317.846 1.00 50.00 ATOM 34 CA ILE p 72 165.188 300.504 316.955 1.00 50.00 ATOM 35 CA ILE p 73 165.869 296.810 316.300 1.00 50.00 ATOM 36 CA LYS p 74 162.999 296.619 313.863 1.00 50.00 ATOM 37 CA GLY p 75 164.627 299.353 311.750 1.00 50.00 ATOM 38 CA ARG p 76 162.241 302.232 312.390 1.00 50.00 ATOM 39 CA ASP p 77 163.642 305.727 312.471 1.00 50.00 ATOM 40 CA VAL p 78 163.535 306.611 316.201 1.00 50.00 ATOM 41 CA ILE p 79 163.573 309.819 318.182 1.00 50.00 ATOM 42 CA ALA p 80 163.928 308.879 321.819 1.00 50.00 ATOM 43 CA GLN p 81 164.039 310.887 325.060 1.00 50.00 ATOM 44 CA SER p 82 164.511 310.019 328.752 1.00 50.00 ATOM 45 CA GLN p 83 165.683 311.625 332.015 1.00 50.00 ATOM 46 CA SER p 84 169.421 311.856 332.776 1.00 50.00 ATOM 47 CA GLY p 85 171.212 308.653 333.695 1.00 50.00 ATOM 48 CA THR p 86 168.313 306.328 332.795 1.00 50.00 ATOM 49 CA GLY p 87 170.009 304.181 330.082 1.00 50.00 ATOM 50 CA LYS p 88 169.514 306.057 326.785 1.00 50.00 ATOM 51 CA THR p 89 173.066 305.327 325.666 1.00 50.00 ATOM 52 CA ALA p 90 172.738 301.676 326.798 1.00 50.00 ATOM 53 CA THR p 91 169.423 301.548 324.855 1.00 50.00 ATOM 54 CA PHE p 92 170.921 302.257 321.395 1.00 50.00 ATOM 55 CA SER p 93 174.100 300.392 322.297 1.00 50.00 ATOM 56 CA ILE p 94 172.129 297.167 322.903 1.00 50.00 ATOM 57 CA SER p 95 170.002 297.844 319.820 1.00 50.00 ATOM 58 CA VAL p 96 173.090 298.364 317.602 1.00 50.00 ATOM 59 CA LEU p 97 174.660 295.103 318.722 1.00 50.00 ATOM 60 CA GLN p 98 171.380 293.237 318.042 1.00 50.00 ATOM 61 CA CYS p 99 171.448 294.272 314.387 1.00 50.00 ATOM 62 CA LEU p 100 175.043 293.359 313.620 1.00 50.00 ATOM 63 CA ASP p 101 175.993 290.719 311.096 1.00 50.00 ATOM 64 CA ILE p 102 179.127 289.648 312.932 1.00 50.00 ATOM 65 CA GLN p 103 180.134 287.612 309.865 1.00 50.00 ATOM 66 CA VAL p 104 180.803 290.787 307.832 1.00 50.00 ATOM 67 CA ARG p 105 183.746 292.659 309.322 1.00 50.00 ATOM 68 CA GLU p 106 182.751 296.057 307.947 1.00 50.00 ATOM 69 CA THR p 107 181.133 299.079 309.488 1.00 50.00 ATOM 70 CA GLN p 108 177.396 298.733 309.785 1.00 50.00 ATOM 71 CA ALA p 109 176.570 301.180 312.560 1.00 50.00 ATOM 72 CA LEU p 110 177.907 304.709 312.926 1.00 50.00 ATOM 73 CA ILE p 111 177.420 306.506 316.263 1.00 50.00 ATOM 74 CA LEU p 112 178.271 310.235 316.582 1.00 50.00 ATOM 75 CA ALA p 113 178.704 312.150 319.863 1.00 50.00 ATOM 76 CA PRO p 114 179.659 315.815 320.721 1.00 50.00 ATOM 77 CA THR p 115 182.816 315.082 322.739 1.00 50.00 ATOM 78 CA ARG p 116 185.710 312.675 322.545 1.00 50.00 ATOM 79 CA GLU p 117 185.286 311.237 326.068 1.00 50.00 ATOM 80 CA LEU p 118 181.670 310.472 325.279 1.00 50.00 ATOM 81 CA ALA p 119 182.512 308.565 322.062 1.00 50.00 ATOM 82 CA VAL p 120 185.123 306.550 323.972 1.00 50.00 ATOM 83 CA GLN p 121 182.534 305.793 326.711 1.00 50.00 ATOM 84 CA ILE p 122 180.060 304.600 324.045 1.00 50.00 ATOM 85 CA GLN p 123 182.739 302.297 322.634 1.00 50.00 ATOM 86 CA LYS p 124 183.583 300.786 326.056 1.00 50.00 ATOM 87 CA GLY p 125 179.932 300.127 326.759 1.00 50.00 ATOM 88 CA LEU p 126 179.481 298.416 323.368 1.00 50.00 ATOM 89 CA LEU p 127 182.544 296.229 323.939 1.00 50.00 ATOM 90 CA ALA p 128 181.290 295.319 327.426 1.00 50.00 ATOM 91 CA LEU p 129 177.683 294.562 326.384 1.00 50.00 ATOM 92 CA GLY p 130 179.010 292.786 323.222 1.00 50.00 ATOM 93 CA ASP p 131 181.686 290.841 325.117 1.00 50.00 ATOM 94 CA TYR p 132 180.304 287.465 324.018 1.00 50.00 ATOM 95 CA MET p 133 179.728 288.490 320.376 1.00 50.00 ATOM 96 CA ASN p 134 183.327 289.107 319.249 1.00 50.00 ATOM 97 CA VAL p 135 182.459 292.521 317.924 1.00 50.00 ATOM 98 CA GLN p 136 184.976 295.090 316.676 1.00 50.00 ATOM 99 CA CYS p 137 184.113 298.570 317.926 1.00 50.00 ATOM 100 CA HIS p 138 186.406 301.506 317.242 1.00 50.00 ATOM 101 CA ALA p 139 186.506 305.034 318.653 1.00 50.00 ATOM 102 CA CYS p 140 187.236 307.603 315.928 1.00 50.00 ATOM 103 CA ILE p 141 188.058 310.738 317.903 1.00 50.00 ATOM 104 CA GLY p 142 190.414 313.683 317.415 1.00 50.00 ATOM 105 CA GLY p 143 193.669 314.189 319.291 1.00 50.00 ATOM 106 CA THR p 144 194.758 310.594 318.563 1.00 50.00 ATOM 107 CA ASN p 145 197.229 309.066 316.144 1.00 50.00 ATOM 108 CA VAL p 146 195.554 309.444 312.720 1.00 50.00 ATOM 109 CA GLY p 147 197.667 306.754 311.122 1.00 50.00 ATOM 110 CA GLU p 148 196.799 304.066 313.652 1.00 50.00 ATOM 111 CA ASP p 149 193.153 305.024 313.428 1.00 50.00 ATOM 112 CA ILE p 150 193.461 303.982 309.785 1.00 50.00 ATOM 113 CA ARG p 151 195.079 300.642 310.712 1.00 50.00 ATOM 114 CA LYS p 152 191.997 299.897 312.852 1.00 50.00 ATOM 115 CA LEU p 153 189.546 300.884 310.096 1.00 50.00 ATOM 116 CA ASP p 154 191.439 298.960 307.389 1.00 50.00 ATOM 117 CA TYR p 155 191.296 295.817 309.622 1.00 50.00 ATOM 118 CA GLY p 156 187.477 295.933 309.635 1.00 50.00 ATOM 119 CA GLN p 157 185.204 297.299 312.303 1.00 50.00 ATOM 120 CA HIS p 158 181.526 296.415 312.934 1.00 50.00 ATOM 121 CA VAL p 159 180.719 299.626 314.829 1.00 50.00 ATOM 122 CA VAL p 160 182.376 303.045 314.706 1.00 50.00 ATOM 123 CA ALA p 161 181.709 305.495 317.575 1.00 50.00 ATOM 124 CA GLY p 162 183.226 308.936 317.230 1.00 50.00 ATOM 125 CA THR p 163 183.180 312.671 317.006 1.00 50.00 ATOM 126 CA PRO p 164 182.189 314.334 313.710 1.00 50.00 ATOM 127 CA GLY p 165 185.509 315.982 312.827 1.00 50.00 ATOM 128 CA ARG p 166 187.589 312.829 312.923 1.00 50.00 ATOM 129 CA VAL p 167 184.850 310.588 311.516 1.00 50.00 ATOM 130 CA PHE p 168 184.517 312.848 308.453 1.00 50.00 ATOM 131 CA ASP p 169 188.317 312.916 308.188 1.00 50.00 ATOM 132 CA MET p 170 188.376 309.115 307.910 1.00 50.00 ATOM 133 CA ILE p 171 185.527 309.179 305.382 1.00 50.00 ATOM 134 CA ARG p 172 187.389 311.821 303.358 1.00 50.00 ATOM 135 CA ARG p 173 190.493 309.600 303.213 1.00 50.00 ATOM 136 CA ARG p 174 188.597 306.359 302.466 1.00 50.00 ATOM 137 CA SER p 175 189.613 304.635 305.675 1.00 50.00 ATOM 138 CA LEU p 176 186.014 304.522 306.894 1.00 50.00 ATOM 139 CA ARG p 177 183.952 303.149 304.048 1.00 50.00 ATOM 140 CA THR p 178 180.315 302.998 304.509 1.00 50.00 ATOM 141 CA ARG p 179 178.517 300.738 302.060 1.00 50.00 ATOM 142 CA ALA p 180 177.437 298.306 304.805 1.00 50.00 ATOM 143 CA ILE p 181 176.153 301.098 307.106 1.00 50.00 ATOM 144 CA LYS p 182 172.526 300.436 308.174 1.00 50.00 ATOM 145 CA MET p 183 172.278 302.702 311.218 1.00 50.00 ATOM 146 CA LEU p 184 173.294 306.281 312.056 1.00 50.00 ATOM 147 CA VAL p 185 173.012 307.132 315.781 1.00 50.00 ATOM 148 CA LEU p 186 173.286 310.708 317.040 1.00 50.00 ATOM 149 CA ASP p 187 173.738 310.646 320.843 1.00 50.00 ATOM 150 CA GLU p 188 173.075 314.029 322.454 1.00 50.00 ATOM 151 CA ALA p 189 171.129 314.644 319.245 1.00 50.00 ATOM 152 CA ASP p 190 169.871 318.147 320.100 1.00 50.00 ATOM 153 CA GLU p 191 173.501 319.330 320.501 1.00 50.00 ATOM 154 CA MET p 192 174.483 317.437 317.289 1.00 50.00 ATOM 155 CA LEU p 193 171.833 319.350 315.343 1.00 50.00 ATOM 156 CA ASN p 194 172.707 322.804 316.790 1.00 50.00 ATOM 157 CA LYS p 195 174.383 325.454 314.606 1.00 50.00 ATOM 158 CA GLY p 196 177.829 324.317 315.793 1.00 50.00 ATOM 159 CA PHE p 197 177.373 320.686 314.708 1.00 50.00 ATOM 160 CA LYS p 198 174.557 320.420 312.104 1.00 50.00 ATOM 161 CA GLU p 199 176.689 320.999 309.020 1.00 50.00 ATOM 162 CA GLN p 200 179.336 318.590 310.385 1.00 50.00 ATOM 163 CA ILE p 201 176.690 315.861 310.797 1.00 50.00 ATOM 164 CA TYR p 202 175.385 316.561 307.291 1.00 50.00 ATOM 165 CA ASP p 203 178.947 316.265 305.889 1.00 50.00 ATOM 166 CA VAL p 204 178.914 312.648 307.181 1.00 50.00 ATOM 167 CA TYR p 205 175.293 311.858 306.295 1.00 50.00 ATOM 168 CA ARG p 206 175.685 312.573 302.571 1.00 50.00 ATOM 169 CA TYR p 207 178.360 309.811 302.272 1.00 50.00 ATOM 170 CA LEU p 208 176.052 307.192 303.869 1.00 50.00 ATOM 171 CA PRO p 209 173.988 304.590 302.005 1.00 50.00 ATOM 172 CA PRO p 210 170.409 305.325 300.974 1.00 50.00 ATOM 173 CA ALA p 211 167.771 304.290 303.554 1.00 50.00 ATOM 174 CA THR p 212 170.215 304.477 306.445 1.00 50.00 ATOM 175 CA GLN p 213 168.208 304.249 309.660 1.00 50.00 ATOM 176 CA VAL p 214 168.513 307.387 311.775 1.00 50.00 ATOM 177 CA VAL p 215 168.207 307.196 315.550 1.00 50.00 ATOM 178 CA LEU p 216 168.245 310.348 317.675 1.00 50.00 ATOM 179 CA ILE p 217 168.807 310.181 321.454 1.00 50.00 ATOM 180 CA SER p 218 169.010 312.956 324.093 1.00 50.00 ATOM 181 CA ALA p 219 167.739 313.902 327.540 1.00 50.00 ATOM 182 CA THR p 220 166.625 317.167 325.877 1.00 50.00 ATOM 183 CA LEU p 221 164.806 317.567 322.555 1.00 50.00 ATOM 184 CA PRO p 222 163.638 321.134 322.036 1.00 50.00 ATOM 185 CA HIS p 223 160.605 321.608 319.834 1.00 50.00 ATOM 186 CA GLU p 224 162.653 323.413 317.150 1.00 50.00 ATOM 187 CA ILE p 225 164.819 320.257 316.921 1.00 50.00 ATOM 188 CA LEU p 226 161.710 318.053 316.509 1.00 50.00 ATOM 189 CA GLU p 227 160.567 320.437 313.755 1.00 50.00 ATOM 190 CA MET p 228 163.621 319.747 311.584 1.00 50.00 ATOM 191 CA THR p 229 163.699 315.909 311.684 1.00 50.00 ATOM 192 CA ASN p 230 161.335 315.618 308.633 1.00 50.00 ATOM 193 CA LYS p 231 164.313 316.612 306.481 1.00 50.00 ATOM 194 CA PHE p 232 166.401 313.521 307.203 1.00 50.00 ATOM 195 CA MET p 233 164.021 311.002 308.868 1.00 50.00 ATOM 196 CA THR p 234 161.181 308.951 307.427 1.00 50.00 ATOM 197 CA ASP p 235 158.016 308.314 309.517 1.00 50.00 ATOM 198 CA PRO p 236 159.913 308.218 312.813 1.00 50.00 ATOM 199 CA ILE p 237 158.875 306.618 316.083 1.00 50.00 ATOM 200 CA ARG p 238 158.941 309.162 318.903 1.00 50.00 ATOM 201 CA ILE p 239 159.357 308.459 322.575 1.00 50.00 ATOM 202 CA LEU p 240 159.232 311.806 324.310 1.00 50.00 ATOM 203 CA VAL p 241 159.229 313.345 327.826 1.00 50.00 ATOM 204 CA LYS p 242 157.271 316.472 328.760 1.00 50.00 TER