HEADER SPLICING 31-DEC-69 5ZWO TITLE Cryo-EM structure of the yeast B complex at average resolution of 3.9 TITLE 2 angstrom COMPND MOL_ID: 27; COMPND 2 MOLECULE: Pre-mRNA-splicing helicase BRR2; COMPND 3 CHAIN: D; COMPND 4 EC: 3.6.4.13; EXPDTA ELECTRON MICROSCOPY DBREF 5ZWO D 1 2163 UNP P32639 BRR2_YEAST 1 2163 SEQRES 1 D 56 ASN CYS PRO LEU ARG GLN PHE LYS THR CYS PRO VAL GLU SEQRES 2 D 56 VAL ILE LYS ARG LEU GLU ALA SER THR VAL PRO TRP GLY SEQRES 3 D 56 ASP TYR LEU GLN LEU GLU THR PRO ALA GLU VAL GLY ARG SEQRES 4 D 56 ALA ILE ARG SER GLU LYS TYR GLY LYS GLN VAL TYR ASP SEQRES 5 D 56 LEU LEU LYS ARG ATOM 1 N ASN D1143 201.303 297.271 266.384 1.00516.75 ATOM 2 CA ASN D1143 201.824 296.204 265.546 1.00523.03 ATOM 3 C ASN D1143 200.775 295.101 265.487 1.00518.21 ATOM 4 O ASN D1143 200.238 294.692 266.519 1.00488.74 ATOM 5 CB ASN D1143 203.140 295.665 266.100 1.00560.07 ATOM 6 N CYS D1144 200.468 294.635 264.278 1.00430.42 ATOM 7 CA CYS D1144 199.356 293.715 264.105 1.00436.22 ATOM 8 C CYS D1144 199.646 292.371 264.768 1.00438.30 ATOM 9 O CYS D1144 200.796 291.935 264.832 1.00453.68 ATOM 10 CB CYS D1144 199.057 293.502 262.626 1.00392.76 ATOM 11 N PRO D1145 198.608 291.698 265.278 1.00437.62 ATOM 12 CA PRO D1145 198.790 290.367 265.875 1.00431.72 ATOM 13 C PRO D1145 199.282 289.300 264.914 1.00436.81 ATOM 14 O PRO D1145 199.662 288.217 265.375 1.00423.08 ATOM 15 CB PRO D1145 197.394 290.037 266.419 1.00437.22 ATOM 16 N LEU D1146 199.249 289.534 263.597 1.00454.71 ATOM 17 CA LEU D1146 199.840 288.577 262.666 1.00463.23 ATOM 18 C LEU D1146 201.333 288.390 262.892 1.00468.17 ATOM 19 O LEU D1146 201.915 287.448 262.345 1.00469.91 ATOM 20 CB LEU D1146 199.603 289.002 261.215 1.00608.29 ATOM 21 N ARG D1147 201.966 289.266 263.672 1.00398.46 ATOM 22 CA ARG D1147 203.396 289.129 263.915 1.00398.46 ATOM 23 C ARG D1147 203.700 287.885 264.738 1.00395.34 ATOM 24 O ARG D1147 204.744 287.252 264.549 1.00397.07 ATOM 25 CB ARG D1147 203.933 290.382 264.605 1.00494.46 ATOM 26 N GLN D1148 202.797 287.503 265.644 1.00366.31 ATOM 27 CA GLN D1148 203.121 286.416 266.558 1.00369.81 ATOM 28 C GLN D1148 202.911 285.046 265.927 1.00380.18 ATOM 29 O GLN D1148 203.289 284.039 266.538 1.00380.18 ATOM 30 CB GLN D1148 202.319 286.558 267.850 1.00525.62 ATOM 31 N PHE D1149 202.325 284.984 264.733 1.00413.07 ATOM 32 CA PHE D1149 202.378 283.773 263.927 1.00413.07 ATOM 33 C PHE D1149 203.806 283.523 263.458 1.00413.07 ATOM 34 O PHE D1149 204.496 284.447 263.018 1.00413.07 ATOM 35 CB PHE D1149 201.453 283.894 262.719 1.00531.71 ATOM 36 N LYS D1150 204.248 282.263 263.539 1.00405.42 ATOM 37 CA LYS D1150 205.601 281.942 263.089 1.00405.42 ATOM 38 C LYS D1150 205.693 281.937 261.571 1.00405.42 ATOM 39 O LYS D1150 206.747 282.262 261.013 1.00405.42 ATOM 40 CB LYS D1150 206.059 280.589 263.654 1.00535.65 ATOM 41 N THR D1151 204.605 281.579 260.889 1.00299.45 ATOM 42 CA THR D1151 204.623 281.406 259.441 1.00299.45 ATOM 43 C THR D1151 204.255 282.656 258.649 1.00299.45 ATOM 44 O THR D1151 204.427 282.655 257.424 1.00299.45 ATOM 45 CB THR D1151 203.683 280.262 259.044 1.00303.42 ATOM 46 N CYS D1152 203.771 283.705 259.298 1.00294.56 ATOM 47 CA CYS D1152 203.340 284.889 258.561 1.00294.56 ATOM 48 C CYS D1152 204.555 285.696 258.115 1.00294.56 ATOM 49 O CYS D1152 205.460 285.922 258.915 1.00294.56 ATOM 50 CB CYS D1152 202.410 285.739 259.422 1.00424.15 ATOM 51 N PRO D1153 204.617 286.140 256.863 1.00250.04 ATOM 52 CA PRO D1153 205.846 286.741 256.347 1.00250.04 ATOM 53 C PRO D1153 206.015 288.188 256.792 1.00250.04 ATOM 54 O PRO D1153 205.154 288.790 257.434 1.00250.04 ATOM 55 CB PRO D1153 205.687 286.651 254.828 1.00261.91 ATOM 56 N VAL D1154 207.172 288.747 256.434 1.00288.43 ATOM 57 CA VAL D1154 207.574 290.068 256.927 1.00288.43 ATOM 58 C VAL D1154 206.932 291.185 256.107 1.00288.43 ATOM 59 O VAL D1154 206.440 292.182 256.658 1.00288.43 ATOM 60 CB VAL D1154 209.111 290.176 256.923 1.00360.80 ATOM 61 N GLU D1155 206.937 291.043 254.782 1.00284.24 ATOM 62 CA GLU D1155 206.392 292.086 253.920 1.00284.24 ATOM 63 C GLU D1155 204.924 292.340 254.234 1.00284.24 ATOM 64 O GLU D1155 204.475 293.493 254.287 1.00284.24 ATOM 65 CB GLU D1155 206.596 291.703 252.452 1.00279.66 ATOM 66 N VAL D1156 204.172 291.268 254.488 1.00369.54 ATOM 67 CA VAL D1156 202.748 291.401 254.773 1.00369.54 ATOM 68 C VAL D1156 202.529 292.206 256.047 1.00369.54 ATOM 69 O VAL D1156 201.706 293.132 256.081 1.00369.54 ATOM 70 CB VAL D1156 202.088 290.015 254.865 1.00400.31 ATOM 71 N ILE D1157 203.270 291.879 257.110 1.00409.02 ATOM 72 CA ILE D1157 203.045 292.568 258.379 1.00404.83 ATOM 73 C ILE D1157 203.451 294.033 258.269 1.00409.02 ATOM 74 O ILE D1157 202.795 294.914 258.845 1.00409.02 ATOM 75 CB ILE D1157 203.760 291.850 259.543 1.00391.19 ATOM 76 N LYS D1158 204.516 294.327 257.510 1.00401.18 ATOM 77 CA LYS D1158 204.853 295.726 257.251 1.00401.18 ATOM 78 C LYS D1158 203.701 296.442 256.562 1.00401.18 ATOM 79 O LYS D1158 203.288 297.534 256.978 1.00401.18 ATOM 80 CB LYS D1158 206.123 295.828 256.405 1.00247.88 ATOM 81 N ARG D1159 203.154 295.822 255.512 1.00476.56 ATOM 82 CA ARG D1159 202.058 296.427 254.765 1.00476.56 ATOM 83 C ARG D1159 200.857 296.704 255.661 1.00476.56 ATOM 84 O ARG D1159 200.254 297.783 255.578 1.00476.56 ATOM 85 CB ARG D1159 201.692 295.526 253.580 1.00476.19 ATOM 86 N LEU D1160 200.509 295.765 256.552 1.00516.35 ATOM 87 CA LEU D1160 199.356 296.014 257.413 1.00516.35 ATOM 88 C LEU D1160 199.650 297.117 258.415 1.00516.35 ATOM 89 O LEU D1160 198.785 297.953 258.698 1.00516.35 ATOM 90 CB LEU D1160 198.889 294.769 258.160 1.00535.39 ATOM 91 N GLU D1161 200.863 297.130 258.975 1.00546.90 ATOM 92 CA GLU D1161 201.218 298.213 259.882 1.00546.90 ATOM 93 C GLU D1161 201.052 299.563 259.198 1.00546.90 ATOM 94 O GLU D1161 200.514 300.510 259.783 1.00546.90 ATOM 95 CB GLU D1161 202.647 298.042 260.405 1.00572.78 ATOM 96 N ALA D1162 201.459 299.650 257.934 1.00496.32 ATOM 97 CA ALA D1162 201.422 300.926 257.239 1.00496.32 ATOM 98 C ALA D1162 200.071 301.244 256.613 1.00496.32 ATOM 99 O ALA D1162 199.876 302.373 256.154 1.00496.32 ATOM 100 CB ALA D1162 202.502 300.957 256.159 1.00510.34 ATOM 101 N SER D1163 199.136 300.290 256.593 1.00437.82 ATOM 102 CA SER D1163 197.891 300.470 255.855 1.00437.82 ATOM 103 C SER D1163 196.830 301.269 256.609 1.00437.82 ATOM 104 O SER D1163 195.847 301.681 255.982 1.00437.82 ATOM 105 CB SER D1163 197.328 299.104 255.464 1.00456.46 ATOM 106 N THR D1164 196.993 301.488 257.913 1.00446.60 ATOM 107 CA THR D1164 196.071 302.279 258.736 1.00446.60 ATOM 108 C THR D1164 194.626 301.797 258.553 1.00446.60 ATOM 109 O THR D1164 193.772 302.466 257.973 1.00446.60 ATOM 110 CB THR D1164 196.197 303.774 258.415 1.00425.03 ATOM 111 N VAL D1165 194.386 300.585 259.049 1.00494.80 ATOM 112 CA VAL D1165 193.078 299.937 258.910 1.00494.80 ATOM 113 C VAL D1165 192.705 299.284 260.223 1.00494.80 ATOM 114 O VAL D1165 193.549 298.704 260.920 1.00494.80 ATOM 115 CB VAL D1165 193.091 298.876 257.784 1.00522.62 ATOM 116 N PRO D1166 191.427 299.362 260.592 1.00498.36 ATOM 117 CA PRO D1166 190.986 298.694 261.821 1.00498.36 ATOM 118 C PRO D1166 191.131 297.187 261.710 1.00498.36 ATOM 119 O PRO D1166 190.943 296.602 260.640 1.00498.36 ATOM 120 CB PRO D1166 189.518 299.114 261.943 1.00478.58 ATOM 121 N TRP D1167 191.471 296.555 262.837 1.00510.52 ATOM 122 CA TRP D1167 191.738 295.121 262.825 1.00510.52 ATOM 123 C TRP D1167 190.459 294.322 262.613 1.00510.52 ATOM 124 O TRP D1167 190.465 293.275 261.945 1.00510.52 ATOM 125 CB TRP D1167 192.428 294.714 264.125 1.00521.34 ATOM 126 N GLY D1168 189.349 294.816 263.160 1.00518.00 ATOM 127 CA GLY D1168 188.079 294.131 263.000 1.00518.00 ATOM 128 C GLY D1168 187.698 293.918 261.547 1.00518.00 ATOM 129 O GLY D1168 187.152 292.874 261.192 1.00518.00 ATOM 130 N ASP D1169 187.985 294.895 260.685 1.00543.89 ATOM 131 CA ASP D1169 187.659 294.733 259.272 1.00543.89 ATOM 132 C ASP D1169 188.411 293.564 258.656 1.00543.89 ATOM 133 O ASP D1169 187.807 292.708 257.990 1.00543.89 ATOM 134 CB ASP D1169 187.948 296.016 258.500 1.00555.99 ATOM 135 N TYR D1170 189.732 293.497 258.871 1.00553.78 ATOM 136 CA TYR D1170 190.487 292.380 258.331 1.00553.78 ATOM 137 C TYR D1170 189.939 291.071 258.849 1.00553.78 ATOM 138 O TYR D1170 189.814 290.100 258.097 1.00553.78 ATOM 139 CB TYR D1170 191.978 292.469 258.652 1.00590.70 ATOM 140 N LEU D1171 189.583 291.028 260.136 1.00573.37 ATOM 141 CA LEU D1171 189.042 289.789 260.682 1.00573.37 ATOM 142 C LEU D1171 187.698 289.445 260.042 1.00573.37 ATOM 143 O LEU D1171 187.395 288.266 259.817 1.00573.37 ATOM 144 CB LEU D1171 188.919 289.895 262.199 1.00601.43 ATOM 145 N GLN D1172 186.885 290.459 259.715 1.00557.48 ATOM 146 CA GLN D1172 185.569 290.184 259.140 1.00557.48 ATOM 147 C GLN D1172 185.676 289.714 257.699 1.00557.48 ATOM 148 O GLN D1172 184.759 289.052 257.199 1.00557.48 ATOM 149 CB GLN D1172 184.662 291.415 259.196 1.00546.71 ATOM 150 N LEU D1173 186.759 290.066 257.014 1.00485.56 ATOM 151 CA LEU D1173 186.921 289.641 255.628 1.00485.56 ATOM 152 C LEU D1173 186.997 288.119 255.524 1.00485.56 ATOM 153 O LEU D1173 187.718 287.464 256.280 1.00485.56 ATOM 154 CB LEU D1173 188.172 290.275 255.032 1.00459.28 ATOM 155 N GLU D1174 186.243 287.559 254.576 1.00496.09 ATOM 156 CA GLU D1174 186.162 286.115 254.375 1.00496.09 ATOM 157 C GLU D1174 186.800 285.640 253.075 1.00496.09 ATOM 158 O GLU D1174 187.692 284.796 253.119 1.00496.09 ATOM 159 CB GLU D1174 184.706 285.627 254.421 1.00538.70 ATOM 160 N THR D1175 186.311 286.102 251.928 1.00532.98 ATOM 161 CA THR D1175 186.833 285.644 250.642 1.00532.98 ATOM 162 C THR D1175 188.349 285.777 250.620 1.00532.98 ATOM 163 O THR D1175 188.874 286.865 250.874 1.00532.98 ATOM 164 CB THR D1175 186.242 286.469 249.500 1.00552.56 ATOM 165 N PRO D1176 189.078 284.698 250.357 1.00539.25 ATOM 166 CA PRO D1176 190.547 284.765 250.332 1.00539.25 ATOM 167 C PRO D1176 191.120 285.696 249.275 1.00539.25 ATOM 168 O PRO D1176 192.003 286.507 249.572 1.00539.25 ATOM 169 CB PRO D1176 190.941 283.310 250.062 1.00554.73 ATOM 170 N ALA D1177 190.621 285.594 248.039 1.00487.79 ATOM 171 CA ALA D1177 191.030 286.533 246.999 1.00487.79 ATOM 172 C ALA D1177 190.751 287.962 247.440 1.00487.79 ATOM 173 O ALA D1177 191.534 288.882 247.177 1.00481.69 ATOM 174 CB ALA D1177 190.302 286.223 245.688 1.00450.59 ATOM 175 N GLU D1178 189.641 288.151 248.156 1.00444.35 ATOM 176 CA GLU D1178 189.265 289.485 248.600 1.00444.35 ATOM 177 C GLU D1178 190.206 289.968 249.700 1.00444.35 ATOM 178 O GLU D1178 190.477 291.168 249.816 1.00444.35 ATOM 179 CB GLU D1178 187.815 289.468 249.083 1.00377.91 ATOM 180 N VAL D1179 190.722 289.040 250.513 1.00438.77 ATOM 181 CA VAL D1179 191.743 289.371 251.503 1.00438.77 ATOM 182 C VAL D1179 193.040 289.774 250.823 1.00438.77 ATOM 183 O VAL D1179 193.701 290.733 251.235 1.00438.77 ATOM 184 CB VAL D1179 191.954 288.187 252.464 1.00482.72 ATOM 185 N GLY D1180 193.449 289.024 249.799 1.00332.79 ATOM 186 CA GLY D1180 194.645 289.399 249.066 1.00332.79 ATOM 187 C GLY D1180 194.518 290.774 248.449 1.00332.79 ATOM 188 O GLY D1180 195.472 291.556 248.450 1.00332.79 ATOM 189 N ARG D1181 193.328 291.097 247.940 1.00335.07 ATOM 190 CA ARG D1181 193.102 292.422 247.384 1.00335.07 ATOM 191 C ARG D1181 193.118 293.482 248.488 1.00335.07 ATOM 192 O ARG D1181 193.616 294.595 248.288 1.00335.07 ATOM 193 CB ARG D1181 191.764 292.463 246.658 1.00310.22 ATOM 194 N ALA D1182 192.557 293.149 249.658 1.00345.28 ATOM 195 CA ALA D1182 192.514 294.086 250.776 1.00345.28 ATOM 196 C ALA D1182 193.904 294.369 251.327 1.00345.28 ATOM 197 O ALA D1182 194.174 295.472 251.812 1.00345.28 ATOM 198 CB ALA D1182 191.613 293.533 251.878 1.00441.13 ATOM 199 N ILE D1183 194.788 293.379 251.292 1.00237.20 ATOM 200 CA ILE D1183 196.154 293.523 251.780 1.00237.20 ATOM 201 C ILE D1183 197.027 293.896 250.584 1.00237.20 ATOM 202 O ILE D1183 198.260 293.938 250.677 1.00237.20 ATOM 203 CB ILE D1183 196.612 292.245 252.512 1.00330.55 ATOM 204 N ARG D1184 196.384 294.104 249.431 1.00197.62 ATOM 205 CA ARG D1184 196.906 294.754 248.223 1.00197.62 ATOM 206 C ARG D1184 198.060 293.976 247.589 1.00197.62 ATOM 207 O ARG D1184 198.534 294.336 246.504 1.00197.62 ATOM 208 CB ARG D1184 197.301 296.220 248.482 1.00198.08 ATOM 209 N SER D1185 198.525 292.916 248.255 1.00273.65 ATOM 210 CA SER D1185 199.366 291.922 247.597 1.00273.65 ATOM 211 C SER D1185 198.534 290.704 247.233 1.00273.65 ATOM 212 O SER D1185 197.919 290.079 248.102 1.00273.65 ATOM 213 CB SER D1185 200.526 291.508 248.504 1.00424.80 ATOM 214 N GLU D1186 198.504 290.368 245.944 1.00332.37 ATOM 215 CA GLU D1186 197.777 289.174 245.537 1.00332.37 ATOM 216 C GLU D1186 198.376 287.895 246.111 1.00332.37 ATOM 217 O GLU D1186 197.633 286.985 246.479 1.00332.37 ATOM 218 CB GLU D1186 197.688 289.074 244.018 1.00353.70 ATOM 219 N LYS D1187 199.696 287.809 246.193 1.00412.80 ATOM 220 CA LYS D1187 200.348 286.648 246.773 1.00412.80 ATOM 221 C LYS D1187 200.066 286.567 248.264 1.00412.80 ATOM 222 O LYS D1187 199.807 287.577 248.922 1.00412.80 ATOM 223 CB LYS D1187 201.861 286.711 246.541 1.00350.44 ATOM 224 N TYR D1188 200.095 285.344 248.788 1.00398.54 ATOM 225 CA TYR D1188 200.022 285.045 250.215 1.00398.54 ATOM 226 C TYR D1188 198.634 285.290 250.796 1.00398.54 ATOM 227 O TYR D1188 198.422 285.005 251.977 1.00398.54 ATOM 228 CB TYR D1188 201.039 285.870 251.013 1.00500.24 ATOM 229 N GLY D1189 197.691 285.825 250.016 1.00329.55 ATOM 230 CA GLY D1189 196.375 286.131 250.559 1.00329.55 ATOM 231 C GLY D1189 195.689 284.917 251.153 1.00329.55 ATOM 232 O GLY D1189 195.159 284.968 252.266 1.00329.55 ATOM 233 N LYS D1190 195.693 283.803 250.415 1.00397.39 ATOM 234 CA LYS D1190 195.094 282.572 250.919 1.00397.39 ATOM 235 C LYS D1190 195.726 282.164 252.241 1.00397.39 ATOM 236 O LYS D1190 195.029 281.819 253.202 1.00397.39 ATOM 237 CB LYS D1190 195.246 281.461 249.878 1.00498.38 ATOM 238 N GLN D1191 197.058 282.199 252.302 1.00426.61 ATOM 239 CA GLN D1191 197.762 281.933 253.549 1.00426.61 ATOM 240 C GLN D1191 197.260 282.835 254.669 1.00426.61 ATOM 241 O GLN D1191 196.983 282.371 255.783 1.00426.61 ATOM 242 CB GLN D1191 199.263 282.106 253.327 1.00494.00 ATOM 243 N VAL D1192 197.107 284.128 254.376 1.00427.20 ATOM 244 CA VAL D1192 196.664 285.072 255.397 1.00427.20 ATOM 245 C VAL D1192 195.276 284.703 255.892 1.00408.39 ATOM 246 O VAL D1192 195.007 284.725 257.093 1.00396.94 ATOM 247 CB VAL D1192 196.701 286.512 254.865 1.00398.63 ATOM 248 N TYR D1193 194.378 284.338 254.979 1.00403.52 ATOM 249 CA TYR D1193 193.020 283.999 255.398 1.00424.46 ATOM 250 C TYR D1193 192.997 282.733 256.244 1.00429.79 ATOM 251 O TYR D1193 192.323 282.673 257.283 1.00430.63 ATOM 252 CB TYR D1193 192.104 283.873 254.180 1.00481.64 ATOM 253 N ASP D1194 193.746 281.715 255.822 1.00441.95 ATOM 254 CA ASP D1194 193.926 280.520 256.645 1.00443.05 ATOM 255 C ASP D1194 194.363 280.896 258.058 1.00443.05 ATOM 256 O ASP D1194 193.765 280.460 259.057 1.00426.52 ATOM 257 CB ASP D1194 194.948 279.600 255.975 1.00450.87 ATOM 258 N LEU D1195 195.383 281.747 258.156 1.00421.18 ATOM 259 CA LEU D1195 195.868 282.189 259.457 1.00421.18 ATOM 260 C LEU D1195 194.835 283.011 260.223 1.00421.18 ATOM 261 O LEU D1195 194.818 282.962 261.461 1.00421.18 ATOM 262 CB LEU D1195 197.159 282.986 259.275 1.00492.00 ATOM 263 N LEU D1196 193.975 283.754 259.524 1.00442.72 ATOM 264 CA LEU D1196 192.899 284.465 260.206 1.00442.72 ATOM 265 C LEU D1196 191.957 283.483 260.873 1.00442.72 ATOM 266 O LEU D1196 191.650 283.608 262.063 1.00442.72 ATOM 267 CB LEU D1196 192.125 285.359 259.239 1.00463.61 ATOM 268 N LYS D1197 191.491 282.486 260.120 1.00471.21 ATOM 269 CA LYS D1197 190.654 281.476 260.746 1.00471.21 ATOM 270 C LYS D1197 191.407 280.726 261.839 1.00471.21 ATOM 271 O LYS D1197 190.774 280.078 262.682 1.00471.21 ATOM 272 CB LYS D1197 190.106 280.508 259.696 1.00462.03 ATOM 273 N ARG D1198 192.736 280.815 261.857 1.00482.83 ATOM 274 CA ARG D1198 193.508 280.347 263.001 1.00482.83 ATOM 275 C ARG D1198 193.666 281.399 264.092 1.00482.83 ATOM 276 O ARG D1198 194.212 281.088 265.154 1.00482.83 ATOM 277 CB ARG D1198 194.875 279.843 262.536 1.00492.50 TER