HEADER SPLICING 31-DEC-69 6AH0 TITLE The Cryo-EM Structure of the Precusor of Human Pre-catalytic TITLE 2 Spliceosome (pre-B complex) COMPND MOL_ID: 7; COMPND 2 MOLECULE: Small nuclear ribonucleoprotein G; COMPND 3 CHAIN: d, n, S; 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 ALA n 49 REMARK 465 THR n 50 REMARK 465 SER n 51 REMARK 465 GLY n 52 REMARK 465 GLN n 53 DBREF 6AH0 n 1 76 UNP P62308 RUXG_HUMAN 1 76 SEQRES 1 n 73 ALA HIS PRO PRO GLU LEU LYS LYS PHE MET ASP LYS LYS SEQRES 2 n 73 LEU SER LEU LYS LEU ASN GLY GLY ARG HIS VAL GLN GLY SEQRES 3 n 73 ILE LEU ARG GLY PHE ASP PRO PHE MET ASN LEU VAL ILE SEQRES 4 n 73 ASP GLU CYS VAL GLU MET ALA THR SER GLY GLN GLN ASN SEQRES 5 n 73 ASN ILE GLY MET VAL VAL ILE ARG GLY ASN SER ILE ILE SEQRES 6 n 73 MET LEU GLU ALA LEU GLU ARG VAL ATOM 1 N ALA n 4 444.952 298.620 234.607 1.00136.88 ATOM 2 CA ALA n 4 446.137 297.754 234.402 1.00133.09 ATOM 3 C ALA n 4 445.653 296.377 233.913 1.00140.51 ATOM 4 O ALA n 4 446.188 295.347 234.317 1.00138.48 ATOM 5 N HIS n 5 444.625 296.395 233.049 1.00145.74 ATOM 6 CA HIS n 5 443.866 295.187 232.662 1.00138.99 ATOM 7 C HIS n 5 444.693 294.223 231.848 1.00125.30 ATOM 8 O HIS n 5 445.631 294.639 231.176 1.00140.08 ATOM 9 N PRO n 6 444.340 292.935 231.900 1.00114.42 ATOM 10 CA PRO n 6 444.921 292.050 230.922 1.00121.78 ATOM 11 C PRO n 6 444.125 292.100 229.618 1.00116.82 ATOM 12 O PRO n 6 442.896 292.273 229.649 1.00103.70 ATOM 13 N PRO n 7 444.822 291.970 228.482 1.00119.36 ATOM 14 CA PRO n 7 444.110 291.573 227.272 1.00135.30 ATOM 15 C PRO n 7 443.521 290.144 227.426 1.00152.59 ATOM 16 O PRO n 7 444.183 289.261 227.988 1.00156.35 ATOM 17 N GLU n 8 442.297 289.925 226.939 1.00154.50 ATOM 18 CA GLU n 8 441.633 288.629 227.056 1.00153.51 ATOM 19 C GLU n 8 442.141 287.665 225.983 1.00154.39 ATOM 20 O GLU n 8 441.486 287.451 224.955 1.00171.79 ATOM 21 N LEU n 9 443.306 287.081 226.238 1.00143.34 ATOM 22 CA LEU n 9 443.994 286.246 225.252 1.00138.52 ATOM 23 C LEU n 9 444.240 284.794 225.677 1.00141.81 ATOM 24 O LEU n 9 444.867 284.037 224.924 1.00120.61 ATOM 25 N LYS n 10 443.770 284.404 226.864 1.00135.59 ATOM 26 CA LYS n 10 443.974 283.033 227.333 1.00109.90 ATOM 27 C LYS n 10 443.393 282.053 226.353 1.00 88.91 ATOM 28 O LYS n 10 443.967 280.996 226.129 1.00 71.61 ATOM 29 N LYS n 11 442.262 282.416 225.759 1.00 99.38 ATOM 30 CA LYS n 11 441.638 281.626 224.690 1.00121.82 ATOM 31 C LYS n 11 442.577 281.293 223.514 1.00112.18 ATOM 32 O LYS n 11 442.392 280.274 222.838 1.00 73.73 ATOM 33 N PHE n 12 443.553 282.173 223.270 1.00116.88 ATOM 34 CA PHE n 12 444.467 282.067 222.124 1.00121.36 ATOM 35 C PHE n 12 445.810 281.426 222.475 1.00136.56 ATOM 36 O PHE n 12 446.595 281.084 221.570 1.00176.59 ATOM 37 N MET n 13 446.033 281.183 223.769 1.00128.61 ATOM 38 CA MET n 13 447.258 280.532 224.244 1.00117.09 ATOM 39 C MET n 13 447.551 279.172 223.581 1.00115.34 ATOM 40 O MET n 13 446.668 278.303 223.488 1.00107.18 ATOM 41 N ASP n 14 448.800 279.001 223.127 1.00115.35 ATOM 42 CA ASP n 14 449.289 277.761 222.490 1.00125.04 ATOM 43 C ASP n 14 448.562 277.399 221.178 1.00125.64 ATOM 44 O ASP n 14 448.417 276.223 220.830 1.00117.26 ATOM 45 N LYS n 15 448.074 278.431 220.490 1.00128.75 ATOM 46 CA LYS n 15 447.417 278.290 219.192 1.00128.15 ATOM 47 C LYS n 15 448.291 278.944 218.154 1.00157.67 ATOM 48 O LYS n 15 449.019 279.901 218.466 1.00177.60 ATOM 49 N LYS n 16 448.214 278.463 216.916 1.00184.14 ATOM 50 CA LYS n 16 448.922 279.116 215.813 1.00197.38 ATOM 51 C LYS n 16 448.132 280.330 215.343 1.00188.97 ATOM 52 O LYS n 16 446.907 280.249 215.155 1.00158.35 ATOM 53 N LEU n 17 448.856 281.433 215.133 1.00191.43 ATOM 54 CA LEU n 17 448.261 282.735 214.823 1.00188.36 ATOM 55 C LEU n 17 448.954 283.421 213.635 1.00182.46 ATOM 56 O LEU n 17 450.103 283.101 213.300 1.00168.74 ATOM 57 N SER n 18 448.221 284.342 213.002 1.00179.24 ATOM 58 CA SER n 18 448.727 285.192 211.916 1.00183.95 ATOM 59 C SER n 18 448.707 286.641 212.387 1.00173.49 ATOM 60 O SER n 18 447.640 287.174 212.692 1.00165.50 ATOM 61 N LEU n 19 449.883 287.277 212.443 1.00163.31 ATOM 62 CA LEU n 19 450.047 288.607 213.071 1.00155.79 ATOM 63 C LEU n 19 450.354 289.691 212.050 1.00155.53 ATOM 64 O LEU n 19 451.374 289.645 211.373 1.00150.45 ATOM 65 N LYS n 20 449.478 290.677 211.971 1.00149.33 ATOM 66 CA LYS n 20 449.673 291.814 211.103 1.00162.89 ATOM 67 C LYS n 20 450.329 292.927 211.949 1.00163.50 ATOM 68 O LYS n 20 449.774 293.375 212.959 1.00161.62 ATOM 69 N LEU n 21 451.521 293.355 211.537 1.00155.26 ATOM 70 CA LEU n 21 452.272 294.366 212.267 1.00163.12 ATOM 71 C LEU n 21 452.361 295.634 211.452 1.00172.87 ATOM 72 O LEU n 21 452.066 295.628 210.248 1.00177.01 ATOM 73 N ASN n 22 452.772 296.728 212.088 1.00169.42 ATOM 74 CA ASN n 22 452.877 297.980 211.358 1.00159.21 ATOM 75 C ASN n 22 454.065 297.887 210.412 1.00136.49 ATOM 76 O ASN n 22 454.919 297.022 210.550 1.00 94.00 ATOM 77 N GLY n 23 454.079 298.764 209.424 1.00154.19 ATOM 78 CA GLY n 23 455.060 298.704 208.356 1.00187.05 ATOM 79 C GLY n 23 454.667 297.723 207.257 1.00194.64 ATOM 80 O GLY n 23 455.491 297.429 206.391 1.00214.03 ATOM 81 N GLY n 24 453.425 297.223 207.281 1.00171.83 ATOM 82 CA GLY n 24 452.957 296.229 206.319 1.00174.63 ATOM 83 C GLY n 24 453.644 294.889 206.515 1.00192.75 ATOM 84 O GLY n 24 453.810 294.093 205.567 1.00226.88 ATOM 85 N ARG n 25 454.033 294.631 207.761 1.00174.68 ATOM 86 CA ARG n 25 454.792 293.443 208.115 1.00153.53 ATOM 87 C ARG n 25 453.829 292.377 208.659 1.00144.64 ATOM 88 O ARG n 25 452.829 292.700 209.320 1.00139.53 ATOM 89 N HIS n 26 454.098 291.121 208.303 1.00130.28 ATOM 90 CA HIS n 26 453.285 289.984 208.719 1.00128.04 ATOM 91 C HIS n 26 454.157 288.780 209.140 1.00117.34 ATOM 92 O HIS n 26 455.092 288.395 208.426 1.00 94.31 ATOM 93 N VAL n 27 453.843 288.206 210.302 1.00109.91 ATOM 94 CA VAL n 27 454.519 287.002 210.798 1.00106.43 ATOM 95 C VAL n 27 453.472 285.979 211.273 1.00128.09 ATOM 96 O VAL n 27 452.312 286.342 211.528 1.00110.98 ATOM 97 N GLN n 28 453.888 284.711 211.415 1.00143.37 ATOM 98 CA GLN n 28 453.011 283.627 211.931 1.00131.22 ATOM 99 C GLN n 28 453.713 282.781 212.974 1.00112.55 ATOM 100 O GLN n 28 454.877 282.400 212.781 1.00133.31 ATOM 101 N GLY n 29 453.017 282.475 214.064 1.00100.21 ATOM 102 CA GLY n 29 453.579 281.617 215.121 1.00119.02 ATOM 103 C GLY n 29 452.616 281.271 216.258 1.00129.34 ATOM 104 O GLY n 29 451.489 281.800 216.319 1.00143.22 ATOM 105 N ILE n 30 453.100 280.458 217.203 1.00129.81 ATOM 106 CA ILE n 30 452.287 279.964 218.322 1.00146.90 ATOM 107 C ILE n 30 452.357 280.869 219.562 1.00169.69 ATOM 108 O ILE n 30 453.448 281.137 220.089 1.00206.71 ATOM 109 N LEU n 31 451.197 281.301 220.068 1.00161.89 ATOM 110 CA LEU n 31 451.178 282.188 221.235 1.00159.19 ATOM 111 C LEU n 31 451.674 281.485 222.496 1.00154.27 ATOM 112 O LEU n 31 451.058 280.523 222.946 1.00165.03 ATOM 113 N ARG n 32 452.771 281.982 223.070 1.00128.94 ATOM 114 CA ARG n 32 453.308 281.420 224.306 1.00120.30 ATOM 115 C ARG n 32 453.098 282.295 225.535 1.00105.27 ATOM 116 O ARG n 32 453.360 281.850 226.662 1.00100.85 ATOM 117 N GLY n 33 452.617 283.518 225.354 1.00101.19 ATOM 118 CA GLY n 33 452.344 284.396 226.505 1.00105.60 ATOM 119 C GLY n 33 452.206 285.872 226.193 1.00 99.86 ATOM 120 O GLY n 33 452.485 286.322 225.087 1.00 89.97 ATOM 121 N PHE n 34 451.777 286.633 227.192 1.00 94.39 ATOM 122 CA PHE n 34 451.469 288.042 227.001 1.00 90.38 ATOM 123 C PHE n 34 451.475 288.783 228.350 1.00 86.54 ATOM 124 O PHE n 34 451.431 288.155 229.424 1.00 80.87 ATOM 125 N ASP n 35 451.475 290.113 228.276 1.00 79.43 ATOM 126 CA ASP n 35 451.390 290.962 229.464 1.00 77.25 ATOM 127 C ASP n 35 450.308 292.052 229.283 1.00 80.02 ATOM 128 O ASP n 35 449.639 292.100 228.234 1.00 75.93 ATOM 129 N PRO n 36 450.117 292.913 230.301 1.00 83.05 ATOM 130 CA PRO n 36 449.050 293.916 230.143 1.00 88.50 ATOM 131 C PRO n 36 449.200 294.915 228.984 1.00 83.28 ATOM 132 O PRO n 36 448.203 295.535 228.577 1.00104.03 ATOM 133 N PHE n 37 450.417 295.100 228.475 1.00 75.66 ATOM 134 CA PHE n 37 450.677 296.008 227.326 1.00 71.45 ATOM 135 C PHE n 37 450.402 295.362 225.974 1.00 70.72 ATOM 136 O PHE n 37 450.671 295.975 224.920 1.00 60.65 ATOM 137 N MET n 38 449.967 294.109 226.027 1.00 71.64 ATOM 138 CA MET n 38 449.801 293.282 224.850 1.00 81.81 ATOM 139 C MET n 38 451.123 292.945 224.131 1.00 86.96 ATOM 140 O MET n 38 451.127 292.658 222.920 1.00 76.88 ATOM 141 N ASN n 39 452.235 292.962 224.875 1.00 84.69 ATOM 142 CA ASN n 39 453.472 292.443 224.329 1.00 79.67 ATOM 143 C ASN n 39 453.256 290.936 224.316 1.00 92.95 ATOM 144 O ASN n 39 452.660 290.394 225.238 1.00 81.84 ATOM 145 N LEU n 40 453.714 290.281 223.241 1.00109.74 ATOM 146 CA LEU n 40 453.521 288.843 223.047 1.00107.18 ATOM 147 C LEU n 40 454.818 288.067 223.016 1.00101.51 ATOM 148 O LEU n 40 455.859 288.591 222.607 1.00 93.85 ATOM 149 N VAL n 41 454.749 286.813 223.459 1.00110.14 ATOM 150 CA VAL n 41 455.778 285.812 223.150 1.00119.06 ATOM 151 C VAL n 41 455.217 284.890 222.064 1.00102.69 ATOM 152 O VAL n 41 454.158 284.303 222.242 1.00 72.71 ATOM 153 N ILE n 42 455.911 284.820 220.927 1.00112.20 ATOM 154 CA ILE n 42 455.510 283.938 219.833 1.00121.70 ATOM 155 C ILE n 42 456.597 282.936 219.514 1.00120.15 ATOM 156 O ILE n 42 457.727 283.325 219.242 1.00113.88 ATOM 157 N ASP n 43 456.242 281.649 219.555 1.00132.20 ATOM 158 CA ASP n 43 457.184 280.554 219.314 1.00141.13 ATOM 159 C ASP n 43 457.049 280.043 217.891 1.00133.80 ATOM 160 O ASP n 43 455.993 280.175 217.273 1.00 96.39 ATOM 161 N GLU n 44 458.150 279.475 217.389 1.00159.78 ATOM 162 CA GLU n 44 458.244 278.917 216.028 1.00171.91 ATOM 163 C GLU n 44 457.798 279.963 215.001 1.00149.31 ATOM 164 O GLU n 44 457.054 279.683 214.058 1.00154.44 ATOM 165 N CYS n 45 458.253 281.183 215.208 1.00124.97 ATOM 166 CA CYS n 45 457.782 282.290 214.413 1.00114.18 ATOM 167 C CYS n 45 458.399 282.270 213.016 1.00103.79 ATOM 168 O CYS n 45 459.555 281.866 212.842 1.00 99.24 ATOM 169 N VAL n 46 457.619 282.722 212.040 1.00 94.55 ATOM 170 CA VAL n 46 458.043 282.774 210.639 1.00 88.58 ATOM 171 C VAL n 46 457.693 284.140 210.051 1.00 89.32 ATOM 172 O VAL n 46 456.529 284.545 210.100 1.00 77.73 ATOM 173 N GLU n 47 458.705 284.827 209.512 1.00 98.76 ATOM 174 CA GLU n 47 458.525 286.096 208.791 1.00100.74 ATOM 175 C GLU n 47 457.984 285.858 207.380 1.00 99.76 ATOM 176 O GLU n 47 458.582 285.122 206.605 1.00 73.58 ATOM 177 N MET n 48 456.846 286.469 207.047 1.00108.74 ATOM 178 CA MET n 48 456.261 286.295 205.716 1.00110.05 ATOM 179 C MET n 48 456.704 287.494 204.903 1.00124.12 ATOM 180 O MET n 48 456.034 288.524 204.936 1.00154.34 ATOM 181 N GLN n 54 459.118 282.869 202.983 1.00148.27 ATOM 182 CA GLN n 54 458.944 282.781 204.435 1.00131.38 ATOM 183 C GLN n 54 460.191 282.235 205.099 1.00120.90 ATOM 184 O GLN n 54 460.740 281.269 204.638 1.00 92.84 ATOM 185 N ASN n 55 460.634 282.854 206.192 1.00150.03 ATOM 186 CA ASN n 55 461.876 282.451 206.865 1.00151.61 ATOM 187 C ASN n 55 461.698 282.302 208.370 1.00164.68 ATOM 188 O ASN n 55 461.079 283.160 209.043 1.00192.93 ATOM 189 N ASN n 56 462.219 281.190 208.884 1.00156.38 ATOM 190 CA ASN n 56 462.022 280.799 210.267 1.00145.46 ATOM 191 C ASN n 56 462.940 281.594 211.194 1.00132.09 ATOM 192 O ASN n 56 464.159 281.660 210.984 1.00134.76 ATOM 193 N ILE n 57 462.341 282.236 212.191 1.00110.55 ATOM 194 CA ILE n 57 463.076 283.115 213.105 1.00106.36 ATOM 195 C ILE n 57 463.061 282.602 214.554 1.00108.05 ATOM 196 O ILE n 57 463.723 283.179 215.431 1.00105.94 ATOM 197 N GLY n 58 462.337 281.508 214.805 1.00119.30 ATOM 198 CA GLY n 58 462.288 280.894 216.139 1.00128.43 ATOM 199 C GLY n 58 461.364 281.597 217.107 1.00125.14 ATOM 200 O GLY n 58 460.355 282.174 216.704 1.00105.03 ATOM 201 N MET n 59 461.703 281.537 218.396 1.00141.93 ATOM 202 CA MET n 59 460.873 282.156 219.426 1.00165.36 ATOM 203 C MET n 59 461.252 283.620 219.606 1.00163.74 ATOM 204 O MET n 59 462.430 283.949 219.776 1.00146.06 ATOM 205 N VAL n 60 460.230 284.480 219.602 1.00161.89 ATOM 206 CA VAL n 60 460.408 285.926 219.532 1.00151.32 ATOM 207 C VAL n 60 459.462 286.708 220.456 1.00146.76 ATOM 208 O VAL n 60 458.457 286.171 220.943 1.00142.36 ATOM 209 N VAL n 61 459.815 287.982 220.686 1.00143.67 ATOM 210 CA VAL n 61 458.987 288.961 221.413 1.00128.76 ATOM 211 C VAL n 61 458.433 290.004 220.445 1.00114.54 ATOM 212 O VAL n 61 459.194 290.683 219.739 1.00 79.41 ATOM 213 N ILE n 62 457.118 290.155 220.443 1.00125.08 ATOM 214 CA ILE n 62 456.470 291.242 219.718 1.00129.71 ATOM 215 C ILE n 62 455.890 292.258 220.702 1.00121.58 ATOM 216 O ILE n 62 454.993 291.914 221.491 1.00143.28 ATOM 217 N ARG n 63 456.370 293.494 220.600 1.00100.09 ATOM 218 CA ARG n 63 455.861 294.622 221.382 1.00103.89 ATOM 219 C ARG n 63 454.435 295.068 220.945 1.00114.19 ATOM 220 O ARG n 63 454.174 295.333 219.738 1.00154.26 ATOM 221 N GLY n 64 453.517 295.111 221.930 1.00 89.56 ATOM 222 CA GLY n 64 452.067 295.287 221.703 1.00 75.35 ATOM 223 C GLY n 64 451.739 296.592 221.023 1.00 73.30 ATOM 224 O GLY n 64 450.803 296.695 220.214 1.00 61.18 ATOM 225 N ASN n 65 452.556 297.577 221.340 1.00 72.25 ATOM 226 CA ASN n 65 452.598 298.810 220.604 1.00 78.94 ATOM 227 C ASN n 65 452.397 298.645 219.081 1.00 74.57 ATOM 228 O ASN n 65 451.535 299.289 218.488 1.00 68.28 ATOM 229 N SER n 66 453.214 297.783 218.457 1.00 80.27 ATOM 230 CA SER n 66 453.268 297.612 216.972 1.00 80.01 ATOM 231 C SER n 66 452.374 296.474 216.392 1.00 85.22 ATOM 232 O SER n 66 452.433 296.178 215.171 1.00 71.48 ATOM 233 N ILE n 67 451.513 295.899 217.248 1.00 87.48 ATOM 234 CA ILE n 67 450.513 294.893 216.852 1.00 83.38 ATOM 235 C ILE n 67 449.247 295.526 216.322 1.00101.61 ATOM 236 O ILE n 67 448.550 296.224 217.070 1.00 95.97 ATOM 237 N ILE n 68 448.983 295.345 215.023 1.00125.62 ATOM 238 CA ILE n 68 447.783 295.920 214.398 1.00143.14 ATOM 239 C ILE n 68 446.610 294.990 214.662 1.00133.58 ATOM 240 O ILE n 68 445.560 295.411 215.157 1.00115.08 ATOM 241 N MET n 69 446.819 293.733 214.317 1.00135.84 ATOM 242 CA MET n 69 445.751 292.751 214.285 1.00166.60 ATOM 243 C MET n 69 446.351 291.360 214.381 1.00172.08 ATOM 244 O MET n 69 447.429 291.098 213.839 1.00167.92 ATOM 245 N LEU n 70 445.619 290.468 215.043 1.00165.84 ATOM 246 CA LEU n 70 445.924 289.052 214.978 1.00153.53 ATOM 247 C LEU n 70 444.693 288.254 214.566 1.00140.76 ATOM 248 O LEU n 70 443.547 288.661 214.811 1.00118.88 ATOM 249 N GLU n 71 444.980 287.132 213.909 1.00146.46 ATOM 250 CA GLU n 71 443.991 286.208 213.366 1.00155.66 ATOM 251 C GLU n 71 444.417 284.793 213.733 1.00158.41 ATOM 252 O GLU n 71 445.560 284.414 213.495 1.00156.17 ATOM 253 N ALA n 72 443.508 284.018 214.317 1.00160.32 ATOM 254 CA ALA n 72 443.817 282.629 214.649 1.00166.69 ATOM 255 C ALA n 72 443.775 281.776 213.389 1.00186.26 ATOM 256 O ALA n 72 442.878 281.934 212.551 1.00197.16 ATOM 257 N LEU n 73 444.757 280.876 213.255 1.00188.86 ATOM 258 CA LEU n 73 444.777 279.886 212.173 1.00184.38 ATOM 259 C LEU n 73 444.174 278.555 212.651 1.00190.87 ATOM 260 O LEU n 73 444.098 277.580 211.897 1.00211.58 ATOM 261 N GLU n 74 443.742 278.550 213.912 1.00191.33 ATOM 262 CA GLU n 74 443.094 277.419 214.564 1.00174.49 ATOM 263 C GLU n 74 441.648 277.773 214.914 1.00173.71 ATOM 264 O GLU n 74 441.191 278.895 214.684 1.00157.64 ATOM 265 N ARG n 75 440.923 276.807 215.467 1.00176.33 ATOM 266 CA ARG n 75 439.629 277.077 216.061 1.00168.87 ATOM 267 C ARG n 75 439.804 277.183 217.573 1.00150.09 ATOM 268 O ARG n 75 440.392 276.297 218.202 1.00136.48 ATOM 269 N VAL n 76 439.318 278.283 218.139 1.00152.07 ATOM 270 CA VAL n 76 439.326 278.498 219.600 1.00161.97 ATOM 271 C VAL n 76 438.009 278.045 220.248 1.00167.80 ATOM 272 O VAL n 76 437.915 277.847 221.468 1.00175.88 TER