HEADER LIGASE 10-SEP-02 1IYW TITLE Preliminary Structure of Thermus thermophilus Ligand-Free Valyl-tRNA TITLE 2 Synthetase COMPND MOL_ID: 1; COMPND 2 MOLECULE: Valyl-tRNA Synthetase; COMPND 3 CHAIN: A, B; COMPND 4 EC: 6.1.1.9; COMPND 5 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.00 ANGSTORMS DBREF 1IYW B 1 862 UNP P96142 SYV_THETH 1 862 SEQRES 1 B 143 GLY LYS LEU TYR THR LEU ARG TYR GLU VAL GLU GLY GLY SEQRES 2 B 143 GLY PHE ILE GLU ILE ALA THR VAL ARG PRO GLU THR VAL SEQRES 3 B 143 PHE ALA ASP GLN ALA ILE ALA VAL HIS PRO GLU ASP GLU SEQRES 4 B 143 ARG TYR ARG HIS LEU LEU GLY LYS ARG ALA ARG ILE PRO SEQRES 5 B 143 LEU THR GLU VAL TRP ILE PRO ILE LEU ALA ASP PRO ALA SEQRES 6 B 143 VAL GLU LYS ASP PHE GLY THR GLY ALA LEU LYS VAL THR SEQRES 7 B 143 PRO ALA HIS ASP PRO LEU ASP TYR GLU ILE GLY GLU ARG SEQRES 8 B 143 HIS GLY LEU LYS PRO VAL SER VAL ILE ASN LEU GLU GLY SEQRES 9 B 143 ARG MET GLU GLY GLU ARG VAL PRO GLU ALA LEU ARG GLY SEQRES 10 B 143 LEU ASP ARG PHE GLU ALA ARG ARG LYS ALA VAL GLU LEU SEQRES 11 B 143 PHE ARG GLU ALA GLY HIS LEU VAL LYS GLU GLU ASP TYR ATOM 1 CA GLY B 195 148.139 175.897 15.054 0.00 55.92 ATOM 2 CA LYS B 196 146.015 178.522 16.851 0.00 37.53 ATOM 3 CA LEU B 197 142.597 179.189 18.428 0.00 52.44 ATOM 4 CA TYR B 198 141.318 182.755 18.560 0.00 49.25 ATOM 5 CA THR B 199 138.549 183.827 20.929 0.00 50.20 ATOM 6 CA LEU B 200 136.147 186.069 18.996 0.00 52.62 ATOM 7 CA ARG B 201 133.364 187.724 21.000 0.00 70.18 ATOM 8 CA TYR B 202 130.668 190.112 19.752 0.00 59.45 ATOM 9 CA GLU B 203 127.316 191.982 19.696 0.00 69.37 ATOM 10 CA VAL B 204 123.669 190.942 19.944 0.00 60.23 ATOM 11 CA GLU B 205 120.364 192.701 19.122 0.00 64.48 ATOM 12 CA GLY B 206 119.499 193.721 22.657 0.00 55.48 ATOM 13 CA GLY B 207 122.559 192.655 24.608 0.00 51.07 ATOM 14 CA GLY B 208 126.074 193.406 23.439 0.00 54.55 ATOM 15 CA PHE B 209 128.330 190.405 23.961 0.00 59.13 ATOM 16 CA ILE B 210 128.855 186.626 23.626 0.00 65.62 ATOM 17 CA GLU B 211 131.950 184.397 23.556 0.00 70.21 ATOM 18 CA ILE B 212 133.423 182.166 20.855 0.00 72.70 ATOM 19 CA ALA B 213 136.586 180.041 20.229 0.00 72.16 ATOM 20 CA THR B 214 136.936 179.350 16.464 0.00 72.23 ATOM 21 CA VAL B 215 139.595 177.570 14.319 0.00 57.15 ATOM 22 CA ARG B 216 138.815 179.408 11.031 0.00 52.03 ATOM 23 CA PRO B 217 137.939 183.146 11.481 0.00 44.31 ATOM 24 CA GLU B 218 137.464 183.681 7.745 0.00 45.32 ATOM 25 CA THR B 219 134.385 181.454 7.601 0.00 54.77 ATOM 26 CA VAL B 220 132.361 183.786 9.824 0.00 54.65 ATOM 27 CA PHE B 221 130.446 184.740 6.669 0.00 57.95 ATOM 28 CA ALA B 222 129.241 181.214 5.867 0.00 59.09 ATOM 29 CA ASP B 223 127.650 181.413 9.317 0.00 53.40 ATOM 30 CA GLN B 224 123.948 181.006 9.940 0.00 57.49 ATOM 31 CA ALA B 225 123.586 180.610 13.671 0.00 63.11 ATOM 32 CA ILE B 226 125.128 180.727 17.135 0.00 59.05 ATOM 33 CA ALA B 227 124.476 177.700 19.327 0.00 55.43 ATOM 34 CA VAL B 228 124.500 176.795 23.032 0.00 49.91 ATOM 35 CA HIS B 229 123.489 173.633 24.887 0.00 58.84 ATOM 36 CA PRO B 230 119.823 172.947 25.824 0.00 64.97 ATOM 37 CA GLU B 231 120.822 172.658 29.474 0.00 68.81 ATOM 38 CA ASP B 232 123.857 174.908 29.984 0.00 58.72 ATOM 39 CA GLU B 233 122.162 178.050 31.362 0.00 62.41 ATOM 40 CA ARG B 234 125.224 180.353 31.309 0.00 68.09 ATOM 41 CA TYR B 235 123.708 181.559 28.014 0.00 65.04 ATOM 42 CA ARG B 236 120.109 181.852 29.262 0.00 65.64 ATOM 43 CA HIS B 237 118.739 185.262 28.270 0.00 67.93 ATOM 44 CA LEU B 238 120.978 185.621 25.194 0.00 66.01 ATOM 45 CA LEU B 239 119.309 182.653 23.490 0.00 71.26 ATOM 46 CA GLY B 240 117.122 184.106 20.762 0.00 68.49 ATOM 47 CA LYS B 241 117.891 187.660 19.578 0.00 68.90 ATOM 48 CA ARG B 242 120.056 188.556 16.556 0.00 56.52 ATOM 49 CA ALA B 243 123.847 188.431 16.172 0.00 54.53 ATOM 50 CA ARG B 244 125.647 191.204 14.342 0.00 52.30 ATOM 51 CA ILE B 245 128.815 189.339 13.350 0.00 61.82 ATOM 52 CA PRO B 246 131.850 191.721 13.569 0.00 66.61 ATOM 53 CA LEU B 247 132.728 194.242 10.846 0.00 70.02 ATOM 54 CA THR B 248 129.813 193.206 8.583 0.00 68.33 ATOM 55 CA GLU B 249 126.258 194.136 9.640 0.00 69.85 ATOM 56 CA VAL B 250 124.200 190.978 9.142 0.00 64.16 ATOM 57 CA TRP B 251 122.337 189.801 12.256 0.00 70.59 ATOM 58 CA ILE B 252 121.983 186.101 13.146 0.00 72.38 ATOM 59 CA PRO B 253 119.593 184.265 15.551 0.00 74.91 ATOM 60 CA ILE B 254 121.395 182.577 18.474 0.00 67.17 ATOM 61 CA LEU B 255 120.111 179.097 19.429 0.00 60.92 ATOM 62 CA ALA B 256 120.971 175.819 21.227 0.00 58.01 ATOM 63 CA ASP B 257 121.900 172.227 20.317 0.00 51.62 ATOM 64 CA PRO B 258 122.759 168.969 22.299 0.00 48.32 ATOM 65 CA ALA B 259 126.097 168.423 20.529 0.00 41.39 ATOM 66 CA VAL B 260 127.716 171.505 22.086 0.00 45.39 ATOM 67 CA GLU B 261 130.478 170.775 24.634 0.00 53.32 ATOM 68 CA LYS B 262 129.270 173.440 27.115 0.00 69.25 ATOM 69 CA ASP B 263 132.857 173.603 28.439 0.00 72.60 ATOM 70 CA PHE B 264 135.620 174.400 25.958 0.00 79.98 ATOM 71 CA GLY B 265 135.999 177.923 27.320 0.00 78.10 ATOM 72 CA THR B 266 133.023 179.501 25.580 0.00 67.74 ATOM 73 CA GLY B 267 129.765 177.481 25.437 0.00 65.63 ATOM 74 CA ALA B 268 128.467 179.192 22.284 0.00 57.22 ATOM 75 CA LEU B 269 130.002 178.258 18.923 0.00 55.89 ATOM 76 CA LYS B 270 129.722 178.966 15.190 0.00 51.94 ATOM 77 CA VAL B 271 127.509 177.392 12.538 0.00 60.01 ATOM 78 CA THR B 272 129.189 177.204 9.128 0.00 60.84 ATOM 79 CA PRO B 273 127.073 174.372 7.594 0.00 60.49 ATOM 80 CA ALA B 274 128.584 174.763 4.130 0.00 53.70 ATOM 81 CA HIS B 275 132.176 174.457 5.339 0.00 49.51 ATOM 82 CA ASP B 276 131.777 172.082 8.300 0.00 39.71 ATOM 83 CA PRO B 277 130.364 168.677 9.265 0.00 50.23 ATOM 84 CA LEU B 278 129.379 169.587 12.812 0.00 58.49 ATOM 85 CA ASP B 279 127.447 172.650 11.611 0.00 64.88 ATOM 86 CA TYR B 280 125.616 171.343 8.518 0.00 60.34 ATOM 87 CA GLU B 281 123.960 168.943 10.904 0.00 50.61 ATOM 88 CA ILE B 282 122.847 171.464 13.533 0.00 53.52 ATOM 89 CA GLY B 283 121.964 173.808 10.697 0.00 55.28 ATOM 90 CA GLU B 284 119.534 171.523 8.875 0.00 58.41 ATOM 91 CA ARG B 285 117.981 170.181 12.062 0.00 56.03 ATOM 92 CA HIS B 286 116.853 173.809 11.969 0.00 55.99 ATOM 93 CA GLY B 287 116.877 174.113 8.196 0.00 54.67 ATOM 94 CA LEU B 288 119.530 176.802 8.292 0.00 52.46 ATOM 95 CA LYS B 289 119.980 177.808 4.645 0.00 46.13 ATOM 96 CA PRO B 290 123.634 177.211 3.649 0.00 43.28 ATOM 97 CA VAL B 291 126.288 179.863 2.821 0.00 37.35 ATOM 98 CA SER B 292 129.839 179.776 1.440 0.00 42.96 ATOM 99 CA VAL B 293 132.789 182.092 2.122 0.00 42.43 ATOM 100 CA ILE B 294 135.412 180.302 0.024 0.00 40.91 ATOM 101 CA ASN B 295 135.054 178.819 -3.464 0.00 42.80 ATOM 102 CA LEU B 296 136.891 175.648 -4.541 0.00 49.54 ATOM 103 CA GLU B 297 140.019 177.537 -5.656 0.00 62.51 ATOM 104 CA GLY B 298 141.201 177.850 -2.034 0.00 66.37 ATOM 105 CA ARG B 299 140.328 181.524 -1.749 0.00 74.72 ATOM 106 CA MET B 300 137.457 183.769 -0.624 0.00 79.85 ATOM 107 CA GLU B 301 134.371 185.095 -2.468 0.00 73.54 ATOM 108 CA GLY B 302 130.647 185.781 -2.191 0.00 80.05 ATOM 109 CA GLU B 303 128.486 188.613 -0.894 0.00 80.52 ATOM 110 CA ARG B 304 128.799 187.410 2.672 0.00 71.49 ATOM 111 CA VAL B 305 132.584 187.693 2.209 0.00 72.77 ATOM 112 CA PRO B 306 133.126 191.437 2.845 0.00 65.80 ATOM 113 CA GLU B 307 134.837 193.658 0.259 0.00 70.68 ATOM 114 CA ALA B 308 138.633 193.730 0.151 0.00 66.82 ATOM 115 CA LEU B 309 138.869 190.424 2.070 0.00 72.88 ATOM 116 CA ARG B 310 137.434 188.796 -1.060 0.00 66.46 ATOM 117 CA GLY B 311 140.439 187.340 -2.869 0.00 62.89 ATOM 118 CA LEU B 312 143.786 185.697 -1.978 0.00 58.91 ATOM 119 CA ASP B 313 144.411 182.319 -0.294 0.00 58.95 ATOM 120 CA ARG B 314 142.268 180.918 2.482 0.00 63.39 ATOM 121 CA PHE B 315 145.039 181.091 5.075 0.00 65.00 ATOM 122 CA GLU B 316 146.049 184.494 3.684 0.00 71.63 ATOM 123 CA ALA B 317 142.653 186.119 4.058 0.00 68.94 ATOM 124 CA ARG B 318 142.447 184.673 7.579 0.00 66.84 ATOM 125 CA ARG B 319 145.621 186.414 8.745 0.00 68.89 ATOM 126 CA LYS B 320 144.626 189.862 7.450 0.00 72.69 ATOM 127 CA ALA B 321 141.117 189.371 8.806 0.00 73.61 ATOM 128 CA VAL B 322 142.716 188.673 12.218 0.00 74.47 ATOM 129 CA GLU B 323 143.908 192.281 12.512 0.00 73.56 ATOM 130 CA LEU B 324 140.409 193.592 11.758 0.00 68.05 ATOM 131 CA PHE B 325 139.077 191.753 14.814 0.00 70.07 ATOM 132 CA ARG B 326 141.697 192.815 17.369 0.00 64.72 ATOM 133 CA GLU B 327 141.944 196.278 15.819 0.00 64.45 ATOM 134 CA ALA B 328 138.171 196.915 15.655 0.00 63.00 ATOM 135 CA GLY B 329 137.116 195.381 18.988 0.00 59.18 ATOM 136 CA HIS B 330 136.540 191.650 18.341 0.00 57.39 ATOM 137 CA LEU B 331 139.471 189.354 19.261 0.00 46.61 ATOM 138 CA VAL B 332 139.708 189.165 23.056 0.00 49.06 ATOM 139 CA LYS B 333 142.191 186.350 23.416 0.00 56.47 ATOM 140 CA GLU B 334 144.047 184.294 20.855 0.00 56.42 ATOM 141 CA GLU B 335 146.342 181.315 21.556 0.00 60.33 ATOM 142 CA ASP B 336 147.716 178.158 19.998 0.00 65.93 ATOM 143 CA TYR B 337 145.839 174.891 19.587 0.00 68.21 TER