HEADER TRANSCRIPTION 31-DEC-69 7UIO TITLE Mediator-PIC Early (Composite Model) COMPND MOL_ID: 35; COMPND 2 MOLECULE: Transcription initiation factor IIB; COMPND 3 CHAIN: AM, BM; EXPDTA ELECTRON MICROSCOPY DBREF 7UIO A 1 345 UNP P29055 TF2B_YEAST 1 345 SEQRES 1 AM 35 VAL LEU THR CYS PRO GLU CYS LYS VAL TYR PRO PRO LYS SEQRES 2 AM 35 ILE VAL GLU ARG PHE SER GLU GLY ASP VAL VAL CYS ALA SEQRES 3 AM 35 LEU CYS GLY LEU VAL LEU SER ASP LYS ATOM 1 N VAL A 21 181.449 323.538 111.764 1.00 9.64 ATOM 2 CA VAL A 21 180.082 323.035 111.822 1.00 9.64 ATOM 3 C VAL A 21 180.025 321.635 111.214 1.00 9.64 ATOM 4 O VAL A 21 180.646 321.365 110.189 1.00 9.64 ATOM 5 CB VAL A 21 179.108 324.001 111.112 1.00 9.64 ATOM 6 CG1 VAL A 21 179.538 324.243 109.673 1.00 9.64 ATOM 7 CG2 VAL A 21 177.683 323.471 111.181 1.00 9.64 ATOM 8 N LEU A 22 179.279 320.744 111.865 1.00 8.13 ATOM 9 CA LEU A 22 179.199 319.345 111.454 1.00 8.13 ATOM 10 C LEU A 22 177.743 318.909 111.514 1.00 8.13 ATOM 11 O LEU A 22 177.149 318.885 112.595 1.00 8.13 ATOM 12 CB LEU A 22 180.071 318.468 112.356 1.00 8.13 ATOM 13 CG LEU A 22 180.479 317.086 111.851 1.00 8.13 ATOM 14 CD1 LEU A 22 181.384 317.204 110.634 1.00 8.13 ATOM 15 CD2 LEU A 22 181.171 316.318 112.959 1.00 8.13 ATOM 16 N THR A 23 177.173 318.568 110.363 1.00 8.69 ATOM 17 CA THR A 23 175.758 318.234 110.259 1.00 8.69 ATOM 18 C THR A 23 175.579 316.914 109.525 1.00 8.69 ATOM 19 O THR A 23 176.374 316.554 108.656 1.00 8.69 ATOM 20 CB THR A 23 174.969 319.329 109.529 1.00 8.69 ATOM 21 OG1 THR A 23 175.597 319.623 108.277 1.00 8.69 ATOM 22 CG2 THR A 23 174.909 320.593 110.368 1.00 8.69 ATOM 23 N CYS A 24 174.514 316.204 109.882 1.00 8.52 ATOM 24 CA CYS A 24 174.177 314.964 109.197 1.00 8.52 ATOM 25 C CYS A 24 173.626 315.265 107.808 1.00 8.52 ATOM 26 O CYS A 24 172.695 316.065 107.681 1.00 8.52 ATOM 27 CB CYS A 24 173.151 314.172 110.003 1.00 8.52 ATOM 28 SG CYS A 24 172.729 312.580 109.276 1.00 8.52 ATOM 29 N PRO A 25 174.165 314.652 106.754 1.00 6.92 ATOM 30 CA PRO A 25 173.658 314.905 105.404 1.00 6.92 ATOM 31 C PRO A 25 172.420 314.103 105.028 1.00 6.92 ATOM 32 O PRO A 25 172.069 314.068 103.846 1.00 6.92 ATOM 33 CB PRO A 25 174.850 314.495 104.524 1.00 6.92 ATOM 34 CG PRO A 25 175.516 313.431 105.299 1.00 6.92 ATOM 35 CD PRO A 25 175.364 313.804 106.748 1.00 6.92 ATOM 36 N GLU A 26 171.767 313.460 105.979 1.00 6.92 ATOM 37 CA GLU A 26 170.559 312.697 105.687 1.00 6.92 ATOM 38 C GLU A 26 169.378 313.093 106.557 1.00 6.92 ATOM 39 O GLU A 26 168.243 313.103 106.069 1.00 6.92 ATOM 40 CB GLU A 26 170.832 311.196 105.845 1.00 6.92 ATOM 41 CG GLU A 26 171.721 310.619 104.761 1.00 6.92 ATOM 42 CD GLU A 26 172.138 309.195 105.048 1.00 6.92 ATOM 43 OE1 GLU A 26 171.526 308.567 105.938 1.00 6.92 ATOM 44 OE2 GLU A 26 173.074 308.702 104.385 1.00 6.92 ATOM 45 N CYS A 27 169.608 313.421 107.826 1.00 7.95 ATOM 46 CA CYS A 27 168.515 313.882 108.675 1.00 7.95 ATOM 47 C CYS A 27 168.148 315.327 108.380 1.00 7.95 ATOM 48 O CYS A 27 166.964 315.689 108.421 1.00 7.95 ATOM 49 CB CYS A 27 168.882 313.720 110.150 1.00 7.95 ATOM 50 SG CYS A 27 168.886 312.011 110.732 1.00 7.95 ATOM 51 N LYS A 28 169.139 316.162 108.069 1.00 7.24 ATOM 52 CA LYS A 28 168.923 317.568 107.726 1.00 7.24 ATOM 53 C LYS A 28 168.106 318.276 108.805 1.00 7.24 ATOM 54 O LYS A 28 167.109 318.947 108.527 1.00 7.24 ATOM 55 CB LYS A 28 168.257 317.698 106.358 1.00 7.24 ATOM 56 CG LYS A 28 168.957 316.926 105.257 1.00 7.24 ATOM 57 CD LYS A 28 168.079 316.809 104.025 1.00 7.24 ATOM 58 CE LYS A 28 168.839 316.188 102.867 1.00 7.24 ATOM 59 NZ LYS A 28 169.920 317.082 102.370 1.00 7.24 ATOM 60 N VAL A 29 168.534 318.116 110.054 1.00 15.25 ATOM 61 CA VAL A 29 167.848 318.678 111.208 1.00 15.25 ATOM 62 C VAL A 29 168.782 319.667 111.886 1.00 15.25 ATOM 63 O VAL A 29 169.939 319.340 112.178 1.00 15.25 ATOM 64 CB VAL A 29 167.405 317.578 112.193 1.00 15.25 ATOM 65 CG1 VAL A 29 167.100 318.173 113.557 1.00 15.25 ATOM 66 CG2 VAL A 29 166.199 316.837 111.649 1.00 15.25 ATOM 67 N TYR A 30 168.282 320.878 112.132 1.00 9.74 ATOM 68 CA TYR A 30 169.058 321.925 112.771 1.00 9.74 ATOM 69 C TYR A 30 168.382 322.349 114.068 1.00 9.74 ATOM 70 O TYR A 30 167.170 322.613 114.070 1.00 9.74 ATOM 71 CB TYR A 30 169.209 323.135 111.839 1.00 9.74 ATOM 72 CG TYR A 30 170.525 323.859 111.986 1.00 9.74 ATOM 73 CD1 TYR A 30 171.674 323.384 111.369 1.00 9.74 ATOM 74 CD2 TYR A 30 170.620 325.025 112.736 1.00 9.74 ATOM 75 CE1 TYR A 30 172.882 324.045 111.498 1.00 9.74 ATOM 76 CE2 TYR A 30 171.821 325.693 112.870 1.00 9.74 ATOM 77 CZ TYR A 30 172.947 325.200 112.246 1.00 9.74 ATOM 78 OH TYR A 30 174.147 325.862 112.380 1.00 9.74 ATOM 79 N PRO A 31 169.114 322.422 115.190 1.00 4.12 ATOM 80 CA PRO A 31 170.540 322.103 115.290 1.00 4.12 ATOM 81 C PRO A 31 170.799 320.601 115.311 1.00 4.12 ATOM 82 O PRO A 31 169.991 319.855 115.864 1.00 4.12 ATOM 83 CB PRO A 31 170.944 322.745 116.616 1.00 4.12 ATOM 84 CG PRO A 31 169.709 322.667 117.442 1.00 4.12 ATOM 85 CD PRO A 31 168.549 322.823 116.491 1.00 4.12 ATOM 86 N PRO A 32 171.907 320.165 114.712 1.00 7.49 ATOM 87 CA PRO A 32 172.189 318.727 114.650 1.00 7.49 ATOM 88 C PRO A 32 172.429 318.140 116.030 1.00 7.49 ATOM 89 O PRO A 32 172.977 318.787 116.924 1.00 7.49 ATOM 90 CB PRO A 32 173.454 318.653 113.786 1.00 7.49 ATOM 91 CG PRO A 32 174.090 319.989 113.929 1.00 7.49 ATOM 92 CD PRO A 32 172.975 320.971 114.101 1.00 7.49 ATOM 93 N LYS A 33 171.998 316.892 116.197 1.00 5.00 ATOM 94 CA LYS A 33 172.225 316.136 117.420 1.00 5.00 ATOM 95 C LYS A 33 173.347 315.142 117.160 1.00 5.00 ATOM 96 O LYS A 33 173.251 314.316 116.244 1.00 5.00 ATOM 97 CB LYS A 33 170.951 315.424 117.870 1.00 5.00 ATOM 98 CG LYS A 33 171.078 314.681 119.180 1.00 5.00 ATOM 99 CD LYS A 33 169.714 314.301 119.726 1.00 5.00 ATOM 100 CE LYS A 33 169.826 313.267 120.830 1.00 5.00 ATOM 101 NZ LYS A 33 170.679 313.746 121.951 1.00 5.00 ATOM 102 N ILE A 34 174.409 315.221 117.956 1.00 5.24 ATOM 103 CA ILE A 34 175.648 314.498 117.698 1.00 5.24 ATOM 104 C ILE A 34 176.199 313.967 119.012 1.00 5.24 ATOM 105 O ILE A 34 176.183 314.663 120.031 1.00 5.24 ATOM 106 CB ILE A 34 176.681 315.409 116.997 1.00 5.24 ATOM 107 CG1 ILE A 34 176.328 315.574 115.517 1.00 5.24 ATOM 108 CG2 ILE A 34 178.087 314.890 117.176 1.00 5.24 ATOM 109 CD1 ILE A 34 177.226 316.536 114.795 1.00 5.24 ATOM 110 N VAL A 35 176.685 312.725 118.991 1.00 3.90 ATOM 111 CA VAL A 35 177.326 312.105 120.140 1.00 3.90 ATOM 112 C VAL A 35 178.698 311.621 119.703 1.00 3.90 ATOM 113 O VAL A 35 178.836 311.012 118.635 1.00 3.90 ATOM 114 CB VAL A 35 176.492 310.937 120.702 1.00 3.90 ATOM 115 CG1 VAL A 35 177.217 310.272 121.853 1.00 3.90 ATOM 116 CG2 VAL A 35 175.126 311.430 121.146 1.00 3.90 ATOM 117 N GLU A 36 179.715 311.893 120.513 1.00 11.31 ATOM 118 CA GLU A 36 181.068 311.442 120.217 1.00 11.31 ATOM 119 C GLU A 36 181.349 310.153 120.975 1.00 11.31 ATOM 120 O GLU A 36 181.115 310.065 122.185 1.00 11.31 ATOM 121 CB GLU A 36 182.102 312.525 120.556 1.00 11.31 ATOM 122 CG GLU A 36 182.347 312.777 122.036 1.00 11.31 ATOM 123 CD GLU A 36 183.475 313.754 122.283 1.00 11.31 ATOM 124 OE1 GLU A 36 183.369 314.913 121.818 1.00 11.31 ATOM 125 OE2 GLU A 36 184.466 313.370 122.937 1.00 11.31 ATOM 126 N ARG A 37 181.798 309.135 120.244 1.00 13.22 ATOM 127 CA ARG A 37 182.212 307.861 120.818 1.00 13.22 ATOM 128 C ARG A 37 183.727 307.920 120.949 1.00 13.22 ATOM 129 O ARG A 37 184.458 307.718 119.977 1.00 13.22 ATOM 130 CB ARG A 37 181.765 306.699 119.937 1.00 13.22 ATOM 131 CG ARG A 37 180.268 306.645 119.691 1.00 13.22 ATOM 132 CD ARG A 37 179.490 306.882 120.972 1.00 13.22 ATOM 133 NE ARG A 37 179.287 305.656 121.727 1.00 13.22 ATOM 134 CZ ARG A 37 179.581 305.512 123.014 1.00 13.22 ATOM 135 NH1 ARG A 37 179.340 304.349 123.610 1.00 13.22 ATOM 136 NH2 ARG A 37 180.111 306.499 123.714 1.00 13.22 ATOM 137 N PHE A 38 184.196 308.230 122.161 1.00 20.20 ATOM 138 CA PHE A 38 185.627 308.389 122.386 1.00 20.20 ATOM 139 C PHE A 38 186.342 307.046 122.347 1.00 20.20 ATOM 140 O PHE A 38 187.420 306.930 121.751 1.00 20.20 ATOM 141 CB PHE A 38 185.868 309.093 123.720 1.00 20.20 ATOM 142 CG PHE A 38 187.295 309.482 123.953 1.00 20.20 ATOM 143 CD1 PHE A 38 188.082 309.935 122.906 1.00 20.20 ATOM 144 CD2 PHE A 38 187.850 309.402 125.220 1.00 20.20 ATOM 145 CE1 PHE A 38 189.400 310.295 123.117 1.00 20.20 ATOM 146 CE2 PHE A 38 189.168 309.760 125.436 1.00 20.20 ATOM 147 CZ PHE A 38 189.942 310.208 124.385 1.00 20.20 ATOM 148 N SER A 39 185.756 306.021 122.963 1.00 13.47 ATOM 149 CA SER A 39 186.375 304.703 123.017 1.00 13.47 ATOM 150 C SER A 39 186.470 304.035 121.657 1.00 13.47 ATOM 151 O SER A 39 187.169 303.028 121.531 1.00 13.47 ATOM 152 CB SER A 39 185.605 303.806 123.985 1.00 13.47 ATOM 153 OG SER A 39 184.232 303.748 123.639 1.00 13.47 ATOM 154 N GLU A 40 185.789 304.563 120.642 1.00 12.65 ATOM 155 CA GLU A 40 185.931 304.074 119.278 1.00 12.65 ATOM 156 C GLU A 40 186.506 305.103 118.322 1.00 12.65 ATOM 157 O GLU A 40 186.718 304.778 117.151 1.00 12.65 ATOM 158 CB GLU A 40 184.579 303.600 118.727 1.00 12.65 ATOM 159 CG GLU A 40 184.177 302.211 119.173 1.00 12.65 ATOM 160 CD GLU A 40 183.393 302.219 120.468 1.00 12.65 ATOM 161 OE1 GLU A 40 183.316 303.286 121.110 1.00 12.65 ATOM 162 OE2 GLU A 40 182.861 301.155 120.845 1.00 12.65 ATOM 163 N GLY A 41 186.766 306.325 118.783 1.00 8.46 ATOM 164 CA GLY A 41 187.272 307.362 117.909 1.00 8.46 ATOM 165 C GLY A 41 186.318 307.699 116.783 1.00 8.46 ATOM 166 O GLY A 41 186.723 307.739 115.618 1.00 8.46 ATOM 167 N ASP A 42 185.044 307.924 117.111 1.00 10.53 ATOM 168 CA ASP A 42 184.027 308.187 116.104 1.00 10.53 ATOM 169 C ASP A 42 183.121 309.330 116.546 1.00 10.53 ATOM 170 O ASP A 42 183.023 309.652 117.727 1.00 10.53 ATOM 171 CB ASP A 42 183.187 306.937 115.820 1.00 10.53 ATOM 172 CG ASP A 42 183.720 306.132 114.658 1.00 10.53 ATOM 173 OD1 ASP A 42 184.402 306.719 113.798 1.00 10.53 ATOM 174 OD2 ASP A 42 183.459 304.914 114.603 1.00 10.53 ATOM 175 N VAL A 43 182.472 309.950 115.565 1.00 6.82 ATOM 176 CA VAL A 43 181.430 310.944 115.799 1.00 6.82 ATOM 177 C VAL A 43 180.178 310.448 115.090 1.00 6.82 ATOM 178 O VAL A 43 180.201 310.210 113.878 1.00 6.82 ATOM 179 CB VAL A 43 181.843 312.336 115.298 1.00 6.82 ATOM 180 CG1 VAL A 43 180.657 313.272 115.301 1.00 6.82 ATOM 181 CG2 VAL A 43 182.957 312.896 116.161 1.00 6.82 ATOM 182 N VAL A 44 179.087 310.299 115.840 1.00 5.23 ATOM 183 CA VAL A 44 177.918 309.556 115.386 1.00 5.23 ATOM 184 C VAL A 44 176.676 310.416 115.571 1.00 5.23 ATOM 185 O VAL A 44 176.468 310.996 116.645 1.00 5.23 ATOM 186 CB VAL A 44 177.783 308.228 116.150 1.00 5.23 ATOM 187 CG1 VAL A 44 176.394 307.654 116.006 1.00 5.23 ATOM 188 CG2 VAL A 44 178.815 307.240 115.657 1.00 5.23 ATOM 189 N CYS A 45 175.856 310.504 114.526 1.00 5.54 ATOM 190 CA CYS A 45 174.547 311.129 114.646 1.00 5.54 ATOM 191 C CYS A 45 173.642 310.267 115.518 1.00 5.54 ATOM 192 O CYS A 45 173.589 309.049 115.357 1.00 5.54 ATOM 193 CB CYS A 45 173.927 311.324 113.265 1.00 5.54 ATOM 194 SG CYS A 45 172.332 312.168 113.267 1.00 5.54 ATOM 195 N ALA A 46 172.923 310.902 116.437 1.00 4.48 ATOM 196 CA ALA A 46 172.147 310.163 117.422 1.00 4.48 ATOM 197 C ALA A 46 170.779 309.740 116.916 1.00 4.48 ATOM 198 O ALA A 46 169.994 309.189 117.696 1.00 4.48 ATOM 199 CB ALA A 46 171.981 310.995 118.695 1.00 4.48 ATOM 200 N LEU A 47 170.469 309.985 115.644 1.00 5.95 ATOM 201 CA LEU A 47 169.167 309.657 115.086 1.00 5.95 ATOM 202 C LEU A 47 169.231 308.557 114.035 1.00 5.95 ATOM 203 O LEU A 47 168.529 307.551 114.157 1.00 5.95 ATOM 204 CB LEU A 47 168.532 310.916 114.485 1.00 5.95 ATOM 205 CG LEU A 47 168.550 312.157 115.381 1.00 5.95 ATOM 206 CD1 LEU A 47 168.164 313.395 114.594 1.00 5.95 ATOM 207 CD2 LEU A 47 167.635 311.975 116.577 1.00 5.95 ATOM 208 N CYS A 48 170.056 308.720 113.008 1.00 15.25 ATOM 209 CA CYS A 48 170.219 307.696 111.985 1.00 15.25 ATOM 210 C CYS A 48 171.393 306.765 112.252 1.00 15.25 ATOM 211 O CYS A 48 171.597 305.823 111.480 1.00 15.25 ATOM 212 CB CYS A 48 170.396 308.342 110.610 1.00 15.25 ATOM 213 SG CYS A 48 171.560 309.717 110.595 1.00 15.25 ATOM 214 N GLY A 49 172.171 307.010 113.303 1.00 6.37 ATOM 215 CA GLY A 49 173.328 306.194 113.585 1.00 6.37 ATOM 216 C GLY A 49 174.488 306.369 112.639 1.00 6.37 ATOM 217 O GLY A 49 175.467 305.627 112.743 1.00 6.37 ATOM 218 N LEU A 50 174.423 307.331 111.723 1.00 4.75 ATOM 219 CA LEU A 50 175.479 307.503 110.737 1.00 4.75 ATOM 220 C LEU A 50 176.754 308.020 111.392 1.00 4.75 ATOM 221 O LEU A 50 176.715 308.811 112.336 1.00 4.75 ATOM 222 CB LEU A 50 175.023 308.462 109.637 1.00 4.75 ATOM 223 CG LEU A 50 175.980 308.677 108.470 1.00 4.75 ATOM 224 CD1 LEU A 50 176.438 307.353 107.905 1.00 4.75 ATOM 225 CD2 LEU A 50 175.326 309.509 107.390 1.00 4.75 ATOM 226 N VAL A 51 177.894 307.566 110.872 1.00 3.41 ATOM 227 CA VAL A 51 179.205 307.922 111.409 1.00 3.41 ATOM 228 C VAL A 51 179.751 309.087 110.597 1.00 3.41 ATOM 229 O VAL A 51 179.900 308.986 109.373 1.00 3.41 ATOM 230 CB VAL A 51 180.159 306.718 111.368 1.00 3.41 ATOM 231 CG1 VAL A 51 181.599 307.177 111.460 1.00 3.41 ATOM 232 CG2 VAL A 51 179.823 305.740 112.480 1.00 3.41 ATOM 233 N LEU A 52 180.062 310.190 111.277 1.00 4.00 ATOM 234 CA LEU A 52 180.410 311.439 110.598 1.00 4.00 ATOM 235 C LEU A 52 181.913 311.585 110.393 1.00 4.00 ATOM 236 O LEU A 52 182.380 311.726 109.258 1.00 4.00 ATOM 237 CB LEU A 52 179.858 312.629 111.389 1.00 4.00 ATOM 238 CG LEU A 52 178.335 312.727 111.466 1.00 4.00 ATOM 239 CD1 LEU A 52 177.911 313.868 112.369 1.00 4.00 ATOM 240 CD2 LEU A 52 177.740 312.881 110.079 1.00 4.00 ATOM 241 N SER A 53 182.685 311.563 111.480 1.00 1.71 ATOM 242 CA SER A 53 184.133 311.701 111.418 1.00 1.71 ATOM 243 C SER A 53 184.787 310.633 112.277 1.00 1.71 ATOM 244 O SER A 53 184.334 310.356 113.391 1.00 1.71 ATOM 245 CB SER A 53 184.576 313.088 111.887 1.00 1.71 ATOM 246 OG SER A 53 184.510 313.194 113.298 1.00 1.71 ATOM 247 N ASP A 54 185.862 310.046 111.766 1.00 1.76 ATOM 248 CA ASP A 54 186.564 308.970 112.448 1.00 1.76 ATOM 249 C ASP A 54 187.934 309.436 112.927 1.00 1.76 ATOM 250 O ASP A 54 188.456 310.463 112.480 1.00 1.76 ATOM 251 CB ASP A 54 186.722 307.751 111.534 1.00 1.76 ATOM 252 CG ASP A 54 187.388 308.089 110.219 1.00 1.76 ATOM 253 OD1 ASP A 54 187.640 309.284 109.965 1.00 1.76 ATOM 254 OD2 ASP A 54 187.663 307.158 109.435 1.00 1.76 ATOM 255 N LYS A 55 188.498 308.665 113.852 1.00 1.50 ATOM 256 CA LYS A 55 189.846 308.897 114.368 1.00 1.50 ATOM 257 C LYS A 55 189.997 310.279 114.986 1.00 1.50 ATOM 258 O LYS A 55 190.148 310.411 116.201 1.00 1.50 ATOM 259 CB LYS A 55 190.876 308.698 113.254 1.00 1.50 ATOM 260 CG LYS A 55 190.700 307.391 112.494 1.00 1.50 ATOM 261 CD LYS A 55 191.804 307.177 111.481 1.00 1.50 ATOM 262 CE LYS A 55 191.915 308.353 110.533 1.00 1.50 ATOM 263 NZ LYS A 55 190.733 308.451 109.639 1.00 1.50 TER