HEADER SPLICING 17-JUL-16 5LJ5 TITLE Overall structure of the yeast spliceosome immediately after TITLE 2 branching. COMPND MOL_ID: 7; COMPND 2 MOLECULE: Pre-mRNA-splicing helicase BRR2; COMPND 3 CHAIN: B; COMPND 4 EC: 3.6.4.13; EXPDTA ELECTRON MICROSCOPY DBREF 5LJ5 B 1 2163 UNP P32639 BRR2_YEAST 1 2163 SEQRES 1 B 56 ASN CYS PRO LEU ARG GLN PHE LYS THR CYS PRO VAL GLU SEQRES 2 B 56 VAL ILE LYS ARG LEU GLU ALA SER THR VAL PRO TRP GLY SEQRES 3 B 56 ASP TYR LEU GLN LEU GLU THR PRO ALA GLU VAL GLY ARG SEQRES 4 B 56 ALA ILE ARG SER GLU LYS TYR GLY LYS GLN VAL TYR ASP SEQRES 5 B 56 LEU LEU LYS ARG ATOM 1 N ASN B1143 210.335 215.567 292.040 1.00148.11 ATOM 2 CA ASN B1143 209.144 216.124 292.688 1.00147.91 ATOM 3 C ASN B1143 209.264 215.854 294.152 1.00149.24 ATOM 4 O ASN B1143 209.534 214.711 294.544 1.00144.06 ATOM 5 CB ASN B1143 207.872 215.403 292.246 1.00151.14 ATOM 6 N CYS B1144 209.032 216.873 294.971 1.00165.94 ATOM 7 CA CYS B1144 209.053 216.658 296.411 1.00173.96 ATOM 8 C CYS B1144 207.863 215.750 296.738 1.00159.39 ATOM 9 O CYS B1144 206.791 215.895 296.137 1.00149.10 ATOM 10 CB CYS B1144 209.055 217.979 297.215 1.00172.43 ATOM 11 N PRO B1145 208.064 214.794 297.668 1.00147.34 ATOM 12 CA PRO B1145 207.132 213.715 297.991 1.00154.13 ATOM 13 C PRO B1145 206.009 214.111 298.953 1.00157.53 ATOM 14 O PRO B1145 205.290 213.248 299.449 1.00153.78 ATOM 15 CB PRO B1145 208.035 212.707 298.677 1.00148.13 ATOM 16 N LEU B1146 205.865 215.399 299.231 1.00159.62 ATOM 17 CA LEU B1146 204.653 215.877 299.858 1.00159.26 ATOM 18 C LEU B1146 203.493 215.539 298.938 1.00160.20 ATOM 19 O LEU B1146 202.387 215.255 299.383 1.00183.82 ATOM 20 CB LEU B1146 204.736 217.373 300.101 1.00161.32 ATOM 21 N ARG B1147 203.774 215.545 297.643 1.00155.32 ATOM 22 CA ARG B1147 202.843 215.054 296.636 1.00160.48 ATOM 23 C ARG B1147 202.557 213.544 296.756 1.00143.67 ATOM 24 O ARG B1147 201.604 213.025 296.165 1.00127.28 ATOM 25 CB ARG B1147 203.431 215.358 295.261 1.00171.68 ATOM 26 N GLN B1148 203.390 212.841 297.512 1.00139.02 ATOM 27 CA GLN B1148 203.287 211.390 297.627 1.00155.50 ATOM 28 C GLN B1148 202.347 211.022 298.760 1.00146.20 ATOM 29 O GLN B1148 201.726 209.964 298.743 1.00149.27 ATOM 30 CB GLN B1148 204.671 210.776 297.857 1.00162.56 ATOM 31 N PHE B1149 202.257 211.891 299.756 1.00153.71 ATOM 32 CA PHE B1149 201.197 211.778 300.740 1.00163.79 ATOM 33 C PHE B1149 199.897 212.163 300.033 1.00169.79 ATOM 34 O PHE B1149 199.740 213.302 299.577 1.00163.83 ATOM 35 CB PHE B1149 201.437 212.710 301.937 1.00160.46 ATOM 36 N LYS B1150 198.982 211.205 299.913 1.00168.22 ATOM 37 CA LYS B1150 197.630 211.478 299.424 1.00176.85 ATOM 38 C LYS B1150 196.970 212.602 300.227 1.00185.84 ATOM 39 O LYS B1150 196.136 213.344 299.704 1.00195.66 ATOM 40 CB LYS B1150 196.765 210.219 299.534 1.00182.82 ATOM 41 N THR B1151 197.364 212.719 301.495 1.00180.96 ATOM 42 CA THR B1151 196.693 213.578 302.466 1.00170.14 ATOM 43 C THR B1151 197.268 215.011 302.583 1.00167.41 ATOM 44 O THR B1151 197.144 215.645 303.632 1.00148.07 ATOM 45 CB THR B1151 196.668 212.869 303.845 1.00163.16 ATOM 46 N CYS B1152 197.868 215.522 301.506 1.00180.71 ATOM 47 CA CYS B1152 198.395 216.893 301.475 1.00193.94 ATOM 48 C CYS B1152 197.541 217.749 300.530 1.00199.65 ATOM 49 O CYS B1152 197.036 217.234 299.532 1.00183.21 ATOM 50 CB CYS B1152 199.855 216.887 301.007 1.00199.72 ATOM 51 N PRO B1153 197.371 219.053 300.839 1.00210.86 ATOM 52 CA PRO B1153 196.669 219.966 299.917 1.00208.41 ATOM 53 C PRO B1153 197.473 220.259 298.648 1.00199.35 ATOM 54 O PRO B1153 198.698 220.121 298.655 1.00207.98 ATOM 55 CB PRO B1153 196.511 221.245 300.745 1.00209.70 ATOM 56 N VAL B1154 196.788 220.693 297.590 1.00181.14 ATOM 57 CA VAL B1154 197.399 220.841 296.251 1.00188.51 ATOM 58 C VAL B1154 198.297 222.086 296.086 1.00199.39 ATOM 59 O VAL B1154 199.240 222.087 295.282 1.00192.00 ATOM 60 CB VAL B1154 196.325 220.881 295.135 1.00181.86 ATOM 61 N GLU B1155 197.984 223.149 296.821 1.00208.12 ATOM 62 CA GLU B1155 198.743 224.398 296.725 1.00203.81 ATOM 63 C GLU B1155 200.104 224.318 297.433 1.00192.00 ATOM 64 O GLU B1155 201.107 224.802 296.907 1.00171.71 ATOM 65 CB GLU B1155 197.920 225.588 297.258 1.00209.39 ATOM 66 N VAL B1156 200.137 223.685 298.606 1.00192.82 ATOM 67 CA VAL B1156 201.305 223.739 299.498 1.00202.82 ATOM 68 C VAL B1156 202.581 223.192 298.839 1.00212.13 ATOM 69 O VAL B1156 203.663 223.768 298.994 1.00194.05 ATOM 70 CB VAL B1156 201.029 223.006 300.839 1.00204.19 ATOM 71 N ILE B1157 202.447 222.088 298.105 1.00227.28 ATOM 72 CA ILE B1157 203.590 221.474 297.413 1.00220.05 ATOM 73 C ILE B1157 204.132 222.372 296.303 1.00214.55 ATOM 74 O ILE B1157 205.345 222.475 296.128 1.00219.29 ATOM 75 CB ILE B1157 203.269 220.054 296.848 1.00214.68 ATOM 76 N LYS B1158 203.232 223.011 295.562 1.00217.99 ATOM 77 CA LYS B1158 203.626 223.895 294.472 1.00220.38 ATOM 78 C LYS B1158 204.570 224.988 294.961 1.00219.84 ATOM 79 O LYS B1158 205.437 225.451 294.219 1.00204.65 ATOM 80 CB LYS B1158 202.392 224.520 293.817 1.00210.12 ATOM 81 N ARG B1159 204.395 225.398 296.213 1.00219.14 ATOM 82 CA ARG B1159 205.231 226.437 296.803 1.00220.11 ATOM 83 C ARG B1159 206.570 225.880 297.282 1.00226.10 ATOM 84 O ARG B1159 207.534 226.625 297.459 1.00213.60 ATOM 85 CB ARG B1159 204.500 227.117 297.963 1.00214.10 ATOM 86 N LEU B1160 206.623 224.568 297.492 1.00228.67 ATOM 87 CA LEU B1160 207.842 223.914 297.952 1.00213.89 ATOM 88 C LEU B1160 208.647 223.351 296.785 1.00214.25 ATOM 89 O LEU B1160 209.800 222.951 296.951 1.00200.50 ATOM 90 CB LEU B1160 207.509 222.801 298.947 1.00194.38 ATOM 91 N GLU B1161 208.035 223.322 295.606 1.00212.32 ATOM 92 CA GLU B1161 208.703 222.802 294.404 1.00209.65 ATOM 93 C GLU B1161 209.427 223.918 293.651 1.00221.58 ATOM 94 O GLU B1161 210.567 223.733 293.226 1.00248.57 ATOM 95 CB GLU B1161 207.721 222.069 293.471 1.00200.84 ATOM 96 N ALA B1162 208.721 225.029 293.466 1.00218.43 ATOM 97 CA ALA B1162 209.215 226.220 292.784 1.00209.73 ATOM 98 C ALA B1162 210.375 226.901 293.504 1.00210.25 ATOM 99 O ALA B1162 211.294 227.419 292.869 1.00196.38 ATOM 100 CB ALA B1162 208.079 227.208 292.560 1.00196.02 ATOM 101 N SER B1163 210.327 226.896 294.833 1.00206.74 ATOM 102 CA SER B1163 211.338 227.571 295.639 1.00191.68 ATOM 103 C SER B1163 212.755 227.051 295.415 1.00195.68 ATOM 104 O SER B1163 213.696 227.841 295.353 1.00203.17 ATOM 105 CB SER B1163 210.980 227.478 297.125 1.00180.78 ATOM 106 N THR B1164 212.924 225.739 295.292 1.00188.02 ATOM 107 CA THR B1164 214.278 225.206 295.052 1.00196.49 ATOM 108 C THR B1164 215.055 224.781 296.317 1.00206.51 ATOM 109 O THR B1164 216.159 224.248 296.209 1.00212.46 ATOM 110 CB THR B1164 215.134 226.222 294.249 1.00195.00 ATOM 111 N VAL B1165 214.486 224.996 297.502 1.00209.56 ATOM 112 CA VAL B1165 215.127 224.579 298.749 1.00208.50 ATOM 113 C VAL B1165 215.250 223.052 298.671 1.00212.31 ATOM 114 O VAL B1165 214.292 222.393 298.258 1.00198.79 ATOM 115 CB VAL B1165 214.293 224.988 299.995 1.00201.66 ATOM 116 N PRO B1166 216.419 222.478 299.046 1.00227.13 ATOM 117 CA PRO B1166 216.551 221.019 298.885 1.00228.55 ATOM 118 C PRO B1166 215.437 220.262 299.616 1.00236.80 ATOM 119 O PRO B1166 214.966 220.721 300.665 1.00235.06 ATOM 120 CB PRO B1166 217.930 220.700 299.493 1.00226.68 ATOM 121 N TRP B1167 215.002 219.133 299.058 1.00234.25 ATOM 122 CA TRP B1167 213.934 218.349 299.680 1.00227.00 ATOM 123 C TRP B1167 214.326 218.035 301.127 1.00222.35 ATOM 124 O TRP B1167 213.676 218.502 302.066 1.00208.58 ATOM 125 CB TRP B1167 213.620 217.065 298.886 1.00217.19 ATOM 126 N GLY B1168 215.417 217.290 301.295 1.00222.79 ATOM 127 CA GLY B1168 215.932 216.944 302.621 1.00228.47 ATOM 128 C GLY B1168 216.029 218.113 303.590 1.00227.08 ATOM 129 O GLY B1168 215.921 217.933 304.804 1.00226.70 ATOM 130 N ASP B1169 216.231 219.314 303.052 1.00217.31 ATOM 131 CA ASP B1169 216.360 220.523 303.856 1.00208.28 ATOM 132 C ASP B1169 215.128 220.733 304.736 1.00204.27 ATOM 133 O ASP B1169 215.255 220.999 305.933 1.00191.92 ATOM 134 CB ASP B1169 216.589 221.736 302.943 1.00199.90 ATOM 135 N TYR B1170 213.942 220.591 304.147 1.00202.99 ATOM 136 CA TYR B1170 212.688 220.733 304.895 1.00208.51 ATOM 137 C TYR B1170 212.581 219.704 306.037 1.00206.27 ATOM 138 O TYR B1170 212.006 220.007 307.094 1.00196.48 ATOM 139 CB TYR B1170 211.475 220.622 303.954 1.00212.57 ATOM 140 N LEU B1171 213.155 218.513 305.819 1.00200.09 ATOM 141 CA LEU B1171 213.082 217.382 306.771 1.00197.42 ATOM 142 C LEU B1171 213.876 217.586 308.060 1.00197.36 ATOM 143 O LEU B1171 213.516 217.027 309.095 1.00184.95 ATOM 144 CB LEU B1171 213.576 216.069 306.125 1.00197.82 ATOM 145 N GLN B1172 214.959 218.361 307.993 1.00208.25 ATOM 146 CA GLN B1172 215.884 218.528 309.127 1.00198.85 ATOM 147 C GLN B1172 215.244 219.182 310.352 1.00193.13 ATOM 148 O GLN B1172 215.564 218.817 311.484 1.00177.49 ATOM 149 CB GLN B1172 217.103 219.356 308.706 1.00198.44 ATOM 150 N LEU B1173 214.351 220.145 310.119 1.00198.86 ATOM 151 CA LEU B1173 213.742 220.926 311.199 1.00211.25 ATOM 152 C LEU B1173 212.916 220.068 312.143 1.00201.60 ATOM 153 O LEU B1173 211.986 219.387 311.714 1.00209.84 ATOM 154 CB LEU B1173 212.858 222.038 310.626 1.00224.64 ATOM 155 N GLU B1174 213.251 220.125 313.431 1.00185.48 ATOM 156 CA GLU B1174 212.581 219.311 314.444 1.00186.61 ATOM 157 C GLU B1174 211.517 220.092 315.231 1.00194.51 ATOM 158 O GLU B1174 210.955 219.573 316.197 1.00195.92 ATOM 159 CB GLU B1174 213.616 218.705 315.406 1.00187.45 ATOM 160 N THR B1175 211.227 221.323 314.807 1.00205.00 ATOM 161 CA THR B1175 210.267 222.187 315.503 1.00203.98 ATOM 162 C THR B1175 209.037 222.443 314.628 1.00201.86 ATOM 163 O THR B1175 209.199 222.816 313.468 1.00202.32 ATOM 164 CB THR B1175 210.916 223.536 315.858 1.00202.87 ATOM 165 N PRO B1176 207.809 222.266 315.183 1.00199.13 ATOM 166 CA PRO B1176 206.558 222.432 314.397 1.00200.89 ATOM 167 C PRO B1176 206.251 223.843 313.896 1.00199.72 ATOM 168 O PRO B1176 205.558 224.008 312.885 1.00190.86 ATOM 169 CB PRO B1176 205.454 221.980 315.367 1.00191.38 ATOM 170 N ALA B1177 206.729 224.847 314.621 1.00207.67 ATOM 171 CA ALA B1177 206.611 226.228 314.181 1.00214.79 ATOM 172 C ALA B1177 207.547 226.496 313.001 1.00218.38 ATOM 173 O ALA B1177 207.142 227.113 312.010 1.00213.89 ATOM 174 CB ALA B1177 206.923 227.169 315.335 1.00215.87 ATOM 175 N GLU B1178 208.788 226.018 313.112 1.00217.30 ATOM 176 CA GLU B1178 209.817 226.258 312.095 1.00218.33 ATOM 177 C GLU B1178 209.428 225.764 310.701 1.00229.43 ATOM 178 O GLU B1178 209.629 226.467 309.698 1.00191.84 ATOM 179 CB GLU B1178 211.149 225.614 312.518 1.00215.39 ATOM 180 N VAL B1179 208.866 224.558 310.650 1.00254.90 ATOM 181 CA VAL B1179 208.431 223.954 309.388 1.00259.61 ATOM 182 C VAL B1179 207.376 224.853 308.742 1.00250.67 ATOM 183 O VAL B1179 207.368 225.032 307.523 1.00245.22 ATOM 184 CB VAL B1179 207.861 222.525 309.583 1.00261.83 ATOM 185 N GLY B1180 206.504 225.428 309.571 1.00240.67 ATOM 186 CA GLY B1180 205.459 226.331 309.103 1.00235.29 ATOM 187 C GLY B1180 205.947 227.661 308.559 1.00235.25 ATOM 188 O GLY B1180 205.287 228.261 307.710 1.00228.98 ATOM 189 N ARG B1181 207.094 228.129 309.049 1.00236.51 ATOM 190 CA ARG B1181 207.695 229.375 308.561 1.00230.36 ATOM 191 C ARG B1181 208.259 229.223 307.142 1.00231.38 ATOM 192 O ARG B1181 208.163 230.151 306.332 1.00212.80 ATOM 193 CB ARG B1181 208.800 229.834 309.512 1.00222.08 ATOM 194 N ALA B1182 208.859 228.063 306.863 1.00235.94 ATOM 195 CA ALA B1182 209.392 227.741 305.533 1.00233.65 ATOM 196 C ALA B1182 208.289 227.635 304.475 1.00237.61 ATOM 197 O ALA B1182 208.463 228.085 303.342 1.00225.92 ATOM 198 CB ALA B1182 210.186 226.444 305.589 1.00230.15 ATOM 199 N ILE B1183 207.164 227.027 304.854 1.00247.76 ATOM 200 CA ILE B1183 205.979 226.948 303.991 1.00244.84 ATOM 201 C ILE B1183 205.432 228.350 303.709 1.00243.73 ATOM 202 O ILE B1183 205.005 228.639 302.586 1.00221.99 ATOM 203 CB ILE B1183 204.873 226.071 304.633 1.00244.46 ATOM 204 N ARG B1184 205.481 229.205 304.736 1.00244.81 ATOM 205 CA ARG B1184 204.899 230.556 304.737 1.00238.71 ATOM 206 C ARG B1184 203.397 230.524 305.041 1.00233.64 ATOM 207 O ARG B1184 202.696 231.525 304.870 1.00238.05 ATOM 208 CB ARG B1184 205.171 231.311 303.431 1.00240.41 ATOM 209 N SER B1185 202.915 229.368 305.493 1.00222.07 ATOM 210 CA SER B1185 201.557 229.223 305.987 1.00210.21 ATOM 211 C SER B1185 201.575 228.651 307.399 1.00205.31 ATOM 212 O SER B1185 202.366 227.755 307.702 1.00201.65 ATOM 213 CB SER B1185 200.758 228.295 305.092 1.00203.63 ATOM 214 N GLU B1186 200.685 229.158 308.249 1.00200.14 ATOM 215 CA GLU B1186 200.659 228.781 309.663 1.00207.00 ATOM 216 C GLU B1186 200.020 227.414 309.900 1.00217.52 ATOM 217 O GLU B1186 200.625 226.544 310.528 1.00240.10 ATOM 218 CB GLU B1186 199.937 229.854 310.497 1.00209.56 ATOM 219 N LYS B1187 198.809 227.235 309.376 1.00215.66 ATOM 220 CA LYS B1187 197.957 226.073 309.688 1.00219.95 ATOM 221 C LYS B1187 198.337 224.840 308.871 1.00229.20 ATOM 222 O LYS B1187 198.108 223.695 309.291 1.00208.85 ATOM 223 CB LYS B1187 196.491 226.411 309.407 1.00208.41 ATOM 224 N TYR B1188 198.877 225.102 307.683 1.00238.19 ATOM 225 CA TYR B1188 199.435 224.068 306.830 1.00234.87 ATOM 226 C TYR B1188 200.796 223.674 307.408 1.00244.63 ATOM 227 O TYR B1188 201.220 222.530 307.273 1.00278.42 ATOM 228 CB TYR B1188 199.559 224.578 305.387 1.00222.98 ATOM 229 N GLY B1189 201.457 224.627 308.070 1.00241.46 ATOM 230 CA GLY B1189 202.747 224.408 308.738 1.00238.73 ATOM 231 C GLY B1189 202.783 223.452 309.927 1.00231.85 ATOM 232 O GLY B1189 203.843 222.900 310.257 1.00231.51 ATOM 233 N LYS B1190 201.637 223.279 310.588 1.00225.08 ATOM 234 CA LYS B1190 201.509 222.345 311.717 1.00214.38 ATOM 235 C LYS B1190 201.131 220.934 311.251 1.00201.93 ATOM 236 O LYS B1190 201.572 219.950 311.843 1.00179.58 ATOM 237 CB LYS B1190 200.448 222.830 312.712 1.00218.12 ATOM 238 N GLN B1191 200.288 220.857 310.214 1.00203.66 ATOM 239 CA GLN B1191 199.876 219.584 309.584 1.00193.13 ATOM 240 C GLN B1191 200.969 218.927 308.736 1.00192.27 ATOM 241 O GLN B1191 201.038 217.701 308.659 1.00189.72 ATOM 242 CB GLN B1191 198.660 219.794 308.673 1.00183.50 ATOM 243 N VAL B1192 201.775 219.746 308.059 1.00193.01 ATOM 244 CA VAL B1192 202.918 219.264 307.272 1.00186.85 ATOM 245 C VAL B1192 204.061 218.802 308.187 1.00201.31 ATOM 246 O VAL B1192 204.784 217.873 307.827 1.00215.83 ATOM 247 CB VAL B1192 203.416 220.333 306.264 1.00185.10 ATOM 248 N TYR B1193 204.226 219.437 309.353 1.00199.36 ATOM 249 CA TYR B1193 205.183 218.952 310.365 1.00189.33 ATOM 250 C TYR B1193 204.879 217.515 310.774 1.00178.43 ATOM 251 O TYR B1193 205.785 216.703 310.938 1.00179.18 ATOM 252 CB TYR B1193 205.163 219.814 311.625 1.00196.29 ATOM 253 N ASP B1194 203.598 217.230 310.972 1.00169.80 ATOM 254 CA ASP B1194 203.122 215.880 311.269 1.00168.69 ATOM 255 C ASP B1194 203.396 214.896 310.129 1.00162.83 ATOM 256 O ASP B1194 203.827 213.760 310.375 1.00158.23 ATOM 257 CB ASP B1194 201.619 215.923 311.578 1.00174.76 ATOM 258 N LEU B1195 203.123 215.330 308.894 1.00154.77 ATOM 259 CA LEU B1195 203.470 214.555 307.691 1.00157.58 ATOM 260 C LEU B1195 204.974 214.285 307.610 1.00154.97 ATOM 261 O LEU B1195 205.394 213.135 307.473 1.00140.37 ATOM 262 CB LEU B1195 203.008 215.263 306.401 1.00156.12 ATOM 263 N LEU B1196 205.777 215.345 307.711 1.00152.36 ATOM 264 CA LEU B1196 207.235 215.207 307.732 1.00145.48 ATOM 265 C LEU B1196 207.714 214.111 308.684 1.00137.16 ATOM 266 O LEU B1196 208.487 213.251 308.291 1.00131.99 ATOM 267 CB LEU B1196 207.916 216.534 308.088 1.00152.67 ATOM 268 N LYS B1197 207.239 214.114 309.924 1.00146.02 ATOM 269 CA LYS B1197 207.656 213.082 310.877 1.00144.64 ATOM 270 C LYS B1197 207.272 211.675 310.397 1.00132.70 ATOM 271 O LYS B1197 207.862 210.684 310.850 1.00115.30 ATOM 272 CB LYS B1197 207.080 213.330 312.278 1.00152.83 ATOM 273 N ARG B1198 206.294 211.586 309.492 1.00123.69 ATOM 274 CA ARG B1198 205.892 210.292 308.914 1.00131.02 ATOM 275 C ARG B1198 206.649 209.909 307.621 1.00125.62 ATOM 276 O ARG B1198 206.324 208.901 306.979 1.00108.29 ATOM 277 CB ARG B1198 204.381 210.267 308.668 1.00136.77 TER