HEADER TRANSCRIPTION/DNA 27-MAR-02 1L9Z TITLE Thermus aquaticus RNA Polymerase Holoenzyme/Fork-Junction Promoter TITLE 2 DNA Complex at 6.5 A Resolution COMPND MOL_ID: 7; COMPND 2 MOLECULE: SIGMA FACTOR SIGA; COMPND 3 CHAIN: H; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 6.50 ANGSTORMS DBREF 1L9Z H 1 438 UNP Q9EZJ8 Q9EZJ8_THEA 1 438 SEQRES 1 H 60 ILE ARG ILE PRO VAL HIS MET VAL GLU THR ILE ASN LYS SEQRES 2 H 60 LEU SER ARG THR ALA ARG GLN LEU GLN GLN GLU LEU GLY SEQRES 3 H 60 ARG GLU PRO SER TYR GLU GLU ILE ALA GLU ALA MET GLY SEQRES 4 H 60 PRO GLY TRP ASP ALA LYS ARG VAL GLU GLU THR LEU LYS SEQRES 5 H 60 ILE ALA GLN GLU PRO VAL SER LEU ATOM 1 N ILE H 273 81.253 220.649 185.656 1.00 25.00 ATOM 2 CA ILE H 273 80.659 221.689 186.487 1.00 25.00 ATOM 3 C ILE H 273 80.895 223.078 185.896 1.00 25.00 ATOM 4 N ARG H 274 82.163 223.429 185.698 1.00 25.00 ATOM 5 CA ARG H 274 82.536 224.728 185.144 1.00 25.00 ATOM 6 C ARG H 274 83.910 224.657 184.480 1.00 25.00 ATOM 7 N ILE H 275 83.934 224.409 183.175 1.00 25.00 ATOM 8 CA ILE H 275 85.193 224.318 182.449 1.00 25.00 ATOM 9 C ILE H 275 85.307 225.426 181.404 1.00 25.00 ATOM 10 N PRO H 276 86.027 226.506 181.743 1.00 25.00 ATOM 11 CA PRO H 276 86.226 227.649 180.846 1.00 25.00 ATOM 12 C PRO H 276 87.096 227.315 179.633 1.00 25.00 ATOM 13 N VAL H 277 87.748 228.337 179.088 1.00 25.00 ATOM 14 CA VAL H 277 88.621 228.167 177.933 1.00 25.00 ATOM 15 C VAL H 277 90.039 227.923 178.437 1.00 25.00 ATOM 16 N HIS H 278 90.186 227.890 179.755 1.00 25.00 ATOM 17 CA HIS H 278 91.487 227.678 180.366 1.00 25.00 ATOM 18 C HIS H 278 91.619 226.285 180.963 1.00 25.00 ATOM 19 N MET H 279 90.633 225.430 180.707 1.00 25.00 ATOM 20 CA MET H 279 90.664 224.068 181.227 1.00 25.00 ATOM 21 C MET H 279 90.501 223.034 180.117 1.00 25.00 ATOM 22 N VAL H 280 89.495 223.214 179.263 1.00 25.00 ATOM 23 CA VAL H 280 89.281 222.285 178.157 1.00 25.00 ATOM 24 C VAL H 280 90.536 222.254 177.295 1.00 25.00 ATOM 25 N GLU H 281 91.066 223.437 177.003 1.00 25.00 ATOM 26 CA GLU H 281 92.269 223.574 176.190 1.00 25.00 ATOM 27 C GLU H 281 93.480 222.941 176.866 1.00 25.00 ATOM 28 N THR H 282 93.460 222.892 178.194 1.00 25.00 ATOM 29 CA THR H 282 94.562 222.307 178.950 1.00 25.00 ATOM 30 C THR H 282 94.379 220.801 179.083 1.00 25.00 ATOM 31 N ILE H 283 93.138 220.376 179.299 1.00 25.00 ATOM 32 CA ILE H 283 92.829 218.958 179.432 1.00 25.00 ATOM 33 C ILE H 283 93.229 218.242 178.148 1.00 25.00 ATOM 34 N ASN H 284 92.726 218.742 177.024 1.00 25.00 ATOM 35 CA ASN H 284 93.030 218.161 175.724 1.00 25.00 ATOM 36 C ASN H 284 94.520 218.275 175.426 1.00 25.00 ATOM 37 N LYS H 285 95.169 219.266 176.029 1.00 25.00 ATOM 38 CA LYS H 285 96.600 219.467 175.832 1.00 25.00 ATOM 39 C LYS H 285 97.355 218.418 176.637 1.00 25.00 ATOM 40 N LEU H 286 96.887 218.169 177.856 1.00 25.00 ATOM 41 CA LEU H 286 97.504 217.174 178.723 1.00 25.00 ATOM 42 C LEU H 286 97.122 215.793 178.209 1.00 25.00 ATOM 43 N SER H 287 96.040 215.746 177.438 1.00 25.00 ATOM 44 CA SER H 287 95.555 214.499 176.862 1.00 25.00 ATOM 45 C SER H 287 96.411 214.138 175.656 1.00 25.00 ATOM 46 N ARG H 288 96.546 215.081 174.729 1.00 25.00 ATOM 47 CA ARG H 288 97.348 214.860 173.532 1.00 25.00 ATOM 48 C ARG H 288 98.788 214.571 173.934 1.00 25.00 ATOM 49 N THR H 289 99.250 215.249 174.981 1.00 25.00 ATOM 50 CA THR H 289 100.608 215.062 175.476 1.00 25.00 ATOM 51 C THR H 289 100.748 213.665 176.068 1.00 25.00 ATOM 52 N ALA H 290 99.758 213.264 176.858 1.00 25.00 ATOM 53 CA ALA H 290 99.763 211.946 177.481 1.00 25.00 ATOM 54 C ALA H 290 99.730 210.880 176.394 1.00 25.00 ATOM 55 N ARG H 291 99.168 211.239 175.245 1.00 25.00 ATOM 56 CA ARG H 291 99.072 210.326 174.113 1.00 25.00 ATOM 57 C ARG H 291 100.260 210.544 173.183 1.00 25.00 ATOM 58 N GLN H 292 100.940 211.672 173.363 1.00 25.00 ATOM 59 CA GLN H 292 102.103 212.010 172.552 1.00 25.00 ATOM 60 C GLN H 292 103.312 211.268 173.105 1.00 25.00 ATOM 61 N LEU H 293 103.508 211.369 174.415 1.00 25.00 ATOM 62 CA LEU H 293 104.622 210.701 175.074 1.00 25.00 ATOM 63 C LEU H 293 104.370 209.199 175.103 1.00 25.00 ATOM 64 N GLN H 294 103.096 208.821 175.132 1.00 25.00 ATOM 65 CA GLN H 294 102.711 207.415 175.152 1.00 25.00 ATOM 66 C GLN H 294 103.114 206.750 173.840 1.00 25.00 ATOM 67 N GLN H 295 102.874 207.447 172.734 1.00 25.00 ATOM 68 CA GLN H 295 103.216 206.934 171.413 1.00 25.00 ATOM 69 C GLN H 295 104.717 207.050 171.171 1.00 25.00 ATOM 70 N GLU H 296 105.427 207.599 172.151 1.00 25.00 ATOM 71 CA GLU H 296 106.872 207.770 172.051 1.00 25.00 ATOM 72 C GLU H 296 107.564 207.335 173.339 1.00 25.00 ATOM 73 N LEU H 297 107.081 206.243 173.924 1.00 25.00 ATOM 74 CA LEU H 297 107.650 205.717 175.159 1.00 25.00 ATOM 75 C LEU H 297 107.385 204.221 175.281 1.00 25.00 ATOM 76 N GLY H 298 106.114 203.844 175.199 1.00 25.00 ATOM 77 CA GLY H 298 105.749 202.443 175.303 1.00 25.00 ATOM 78 C GLY H 298 104.892 202.165 176.521 1.00 25.00 ATOM 79 N ARG H 299 104.899 203.096 177.470 1.00 25.00 ATOM 80 CA ARG H 299 104.118 202.952 178.691 1.00 25.00 ATOM 81 C ARG H 299 103.392 204.251 179.023 1.00 25.00 ATOM 82 N GLU H 300 102.376 204.153 179.874 1.00 25.00 ATOM 83 CA GLU H 300 101.601 205.320 180.278 1.00 25.00 ATOM 84 C GLU H 300 102.433 206.217 181.190 1.00 25.00 ATOM 85 N PRO H 301 102.717 207.451 180.746 1.00 25.00 ATOM 86 CA PRO H 301 103.509 208.396 181.539 1.00 25.00 ATOM 87 C PRO H 301 102.799 208.819 182.822 1.00 25.00 ATOM 88 N SER H 302 103.563 208.937 183.903 1.00 25.00 ATOM 89 CA SER H 302 103.013 209.331 185.195 1.00 25.00 ATOM 90 C SER H 302 102.492 210.764 185.157 1.00 25.00 ATOM 91 N TYR H 303 102.439 211.403 186.321 1.00 25.00 ATOM 92 CA TYR H 303 101.959 212.777 186.419 1.00 25.00 ATOM 93 C TYR H 303 103.116 213.767 186.361 1.00 25.00 ATOM 94 N GLU H 304 104.163 213.491 187.131 1.00 25.00 ATOM 95 CA GLU H 304 105.334 214.358 187.177 1.00 25.00 ATOM 96 C GLU H 304 106.167 214.257 185.903 1.00 25.00 ATOM 97 N GLU H 305 106.150 213.086 185.276 1.00 25.00 ATOM 98 CA GLU H 305 106.910 212.866 184.050 1.00 25.00 ATOM 99 C GLU H 305 106.305 213.643 182.882 1.00 25.00 ATOM 100 N ILE H 306 105.188 214.317 183.138 1.00 25.00 ATOM 101 CA ILE H 306 104.514 215.100 182.109 1.00 25.00 ATOM 102 C ILE H 306 104.834 216.585 182.269 1.00 25.00 ATOM 103 N ALA H 307 105.414 216.941 183.411 1.00 25.00 ATOM 104 CA ALA H 307 105.773 218.327 183.688 1.00 25.00 ATOM 105 C ALA H 307 106.708 218.867 182.612 1.00 25.00 ATOM 106 N GLU H 308 107.778 218.126 182.343 1.00 25.00 ATOM 107 CA GLU H 308 108.758 218.521 181.338 1.00 25.00 ATOM 108 C GLU H 308 108.107 218.677 179.968 1.00 25.00 ATOM 109 N ALA H 309 107.035 217.926 179.739 1.00 25.00 ATOM 110 CA ALA H 309 106.320 217.976 178.470 1.00 25.00 ATOM 111 C ALA H 309 105.655 219.334 178.266 1.00 25.00 ATOM 112 N MET H 310 105.260 219.966 179.366 1.00 25.00 ATOM 113 CA MET H 310 104.611 221.271 179.309 1.00 25.00 ATOM 114 C MET H 310 105.646 222.392 179.299 1.00 25.00 ATOM 115 N GLY H 311 105.813 223.048 180.443 1.00 25.00 ATOM 116 CA GLY H 311 106.771 224.132 180.543 1.00 25.00 ATOM 117 C GLY H 311 106.872 224.685 181.952 1.00 25.00 ATOM 118 N PRO H 312 106.732 226.010 182.123 1.00 25.00 ATOM 119 CA PRO H 312 106.809 226.655 183.436 1.00 25.00 ATOM 120 C PRO H 312 105.509 226.549 184.230 1.00 25.00 ATOM 121 N GLY H 313 105.633 226.473 185.551 1.00 25.00 ATOM 122 CA GLY H 313 104.460 226.381 186.401 1.00 25.00 ATOM 123 C GLY H 313 103.854 224.994 186.484 1.00 25.00 ATOM 124 N TRP H 314 103.990 224.215 185.416 1.00 25.00 ATOM 125 CA TRP H 314 103.439 222.866 185.392 1.00 25.00 ATOM 126 C TRP H 314 104.399 221.851 186.001 1.00 25.00 ATOM 127 N ASP H 315 104.081 221.408 187.213 1.00 25.00 ATOM 128 CA ASP H 315 104.903 220.435 187.920 1.00 25.00 ATOM 129 C ASP H 315 104.212 219.074 187.929 1.00 25.00 ATOM 130 N ALA H 316 103.703 218.679 189.091 1.00 25.00 ATOM 131 CA ALA H 316 103.015 217.402 189.232 1.00 25.00 ATOM 132 C ALA H 316 101.722 217.579 190.020 1.00 25.00 ATOM 133 N LYS H 317 101.705 218.576 190.898 1.00 25.00 ATOM 134 CA LYS H 317 100.534 218.857 191.719 1.00 25.00 ATOM 135 C LYS H 317 99.421 219.492 190.892 1.00 25.00 ATOM 136 N ARG H 318 99.689 220.678 190.355 1.00 25.00 ATOM 137 CA ARG H 318 98.707 221.391 189.548 1.00 25.00 ATOM 138 C ARG H 318 98.287 220.561 188.340 1.00 25.00 ATOM 139 N VAL H 319 99.232 219.811 187.784 1.00 25.00 ATOM 140 CA VAL H 319 98.954 218.965 186.629 1.00 25.00 ATOM 141 C VAL H 319 97.987 217.859 187.036 1.00 25.00 ATOM 142 N GLU H 320 98.004 217.518 188.321 1.00 25.00 ATOM 143 CA GLU H 320 97.131 216.483 188.859 1.00 25.00 ATOM 144 C GLU H 320 95.781 217.088 189.230 1.00 25.00 ATOM 145 N GLU H 321 95.777 218.394 189.479 1.00 25.00 ATOM 146 CA GLU H 321 94.558 219.106 189.844 1.00 25.00 ATOM 147 C GLU H 321 93.655 219.291 188.629 1.00 25.00 ATOM 148 N THR H 322 94.255 219.271 187.443 1.00 25.00 ATOM 149 CA THR H 322 93.509 219.435 186.201 1.00 25.00 ATOM 150 C THR H 322 92.712 218.174 185.886 1.00 25.00 ATOM 151 N LEU H 323 93.342 217.021 186.079 1.00 25.00 ATOM 152 CA LEU H 323 92.696 215.741 185.818 1.00 25.00 ATOM 153 C LEU H 323 91.929 215.284 187.055 1.00 25.00 ATOM 154 N LYS H 324 91.889 216.145 188.068 1.00 25.00 ATOM 155 CA LYS H 324 91.190 215.836 189.309 1.00 25.00 ATOM 156 C LYS H 324 89.733 216.274 189.234 1.00 25.00 ATOM 157 N ILE H 325 89.513 217.512 188.801 1.00 25.00 ATOM 158 CA ILE H 325 88.163 218.047 188.682 1.00 25.00 ATOM 159 C ILE H 325 87.277 217.119 187.855 1.00 25.00 ATOM 160 N ALA H 326 87.429 217.173 186.535 1.00 25.00 ATOM 161 CA ALA H 326 86.648 216.336 185.630 1.00 25.00 ATOM 162 C ALA H 326 86.929 216.688 184.173 1.00 25.00 ATOM 163 N GLN H 327 86.078 216.181 183.289 1.00 25.00 ATOM 164 CA GLN H 327 86.183 216.418 181.854 1.00 25.00 ATOM 165 C GLN H 327 84.963 215.731 181.254 1.00 25.00 ATOM 166 N GLU H 328 84.455 214.754 181.998 1.00 25.00 ATOM 167 CA GLU H 328 83.287 213.974 181.613 1.00 25.00 ATOM 168 C GLU H 328 82.953 212.870 182.626 1.00 25.00 ATOM 169 N PRO H 329 83.861 212.586 183.582 1.00 25.00 ATOM 170 CA PRO H 329 83.552 211.531 184.553 1.00 25.00 ATOM 171 C PRO H 329 82.406 211.864 185.506 1.00 25.00 ATOM 172 N VAL H 330 82.751 212.252 186.731 1.00 25.00 ATOM 173 CA VAL H 330 81.756 212.583 187.745 1.00 25.00 ATOM 174 C VAL H 330 80.850 211.370 187.935 1.00 25.00 ATOM 175 N SER H 331 81.434 210.188 187.762 1.00 25.00 ATOM 176 CA SER H 331 80.707 208.933 187.905 1.00 25.00 ATOM 177 C SER H 331 79.592 208.799 186.880 1.00 25.00 ATOM 178 N LEU H 332 79.199 207.558 186.624 1.00 25.00 ATOM 179 CA LEU H 332 78.136 207.270 185.675 1.00 25.00 ATOM 180 C LEU H 332 76.814 207.499 186.396 1.00 25.00 TER