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 A 1 862 UNP P96142 SYV_THETH 1 862 SEQRES 1 A 88 ALA TYR ARG ALA PRO ARG LEU VAL ASN TRP CYS PRO ARG SEQRES 2 A 88 CYS GLU THR THR LEU SER ASP LEU GLU VAL GLU THR CYS SEQRES 3 A 88 SER ARG CYS GLY THR PRO ILE GLU TYR ALA ILE PHE PRO SEQRES 4 A 88 GLN TRP TRP LEU ARG MET ARG PRO LEU ALA GLU GLU VAL SEQRES 5 A 88 LEU LYS GLY LEU ARG ARG GLY ASP ILE ALA PHE VAL PRO SEQRES 6 A 88 GLU ARG TRP LYS LYS VAL ASN MET ASP TRP LEU GLU ASN SEQRES 7 A 88 VAL LYS ASP TRP ASN ILE SER ARG GLN LEU ATOM 1 CA ALA A 166 -15.508 50.265 -6.306 1.00 16.93 ATOM 2 CA TYR A 167 -16.062 53.978 -5.627 1.00 18.60 ATOM 3 CA ARG A 168 -14.194 57.202 -6.402 1.00 25.15 ATOM 4 CA ALA A 169 -14.014 59.857 -3.664 1.00 32.75 ATOM 5 CA PRO A 170 -11.454 62.613 -2.859 1.00 30.22 ATOM 6 CA ARG A 171 -10.195 61.352 0.507 1.00 31.01 ATOM 7 CA LEU A 172 -7.015 62.592 2.138 1.00 39.65 ATOM 8 CA VAL A 173 -4.071 60.823 0.541 0.00 41.57 ATOM 9 CA ASN A 174 -0.520 60.336 1.761 0.00 43.18 ATOM 10 CA TRP A 175 1.916 61.570 -0.891 0.00 45.04 ATOM 11 CA CYS A 176 5.559 61.724 -1.913 0.00 42.24 ATOM 12 CA PRO A 177 6.610 64.792 -3.933 0.00 42.39 ATOM 13 CA ARG A 178 9.726 62.669 -4.611 0.00 42.05 ATOM 14 CA CYS A 179 8.890 59.325 -6.200 0.00 50.81 ATOM 15 CA GLU A 180 5.778 61.311 -7.292 0.00 52.27 ATOM 16 CA THR A 181 2.981 58.881 -6.344 0.00 49.96 ATOM 17 CA THR A 182 0.342 58.087 -3.710 0.00 47.91 ATOM 18 CA LEU A 183 1.040 55.726 -0.831 0.00 50.99 ATOM 19 CA SER A 184 -0.671 52.973 1.106 0.00 52.48 ATOM 20 CA ASP A 185 -0.505 52.812 4.917 0.00 62.29 ATOM 21 CA LEU A 186 2.052 50.054 5.381 0.00 58.96 ATOM 22 CA GLU A 187 4.584 51.316 2.795 0.00 65.81 ATOM 23 CA VAL A 188 6.124 54.678 3.716 0.00 64.37 ATOM 24 CA GLU A 189 8.550 55.486 6.558 0.00 68.34 ATOM 25 CA THR A 343 10.811 60.944 4.520 0.00 44.07 ATOM 26 CA CYS A 344 10.530 59.229 1.149 0.00 49.70 ATOM 27 CA SER A 345 10.323 55.472 1.888 0.00 52.07 ATOM 28 CA ARG A 346 12.354 55.122 -1.301 0.00 66.66 ATOM 29 CA CYS A 347 14.550 58.238 -1.226 0.00 67.75 ATOM 30 CA GLY A 348 14.178 60.474 1.795 0.00 62.42 ATOM 31 CA THR A 349 13.069 63.987 0.845 0.00 57.58 ATOM 32 CA PRO A 350 10.260 65.153 3.292 0.00 53.12 ATOM 33 CA ILE A 351 6.643 64.222 2.563 0.00 54.15 ATOM 34 CA GLU A 352 3.782 66.706 2.365 0.00 55.49 ATOM 35 CA TYR A 353 0.072 65.892 2.402 0.00 54.38 ATOM 36 CA ALA A 354 -2.984 66.899 0.449 0.00 45.97 ATOM 37 CA ILE A 355 -6.287 65.684 -0.913 1.00 48.47 ATOM 38 CA PHE A 356 -6.546 63.711 -4.146 1.00 33.97 ATOM 39 CA PRO A 357 -9.196 62.122 -6.421 1.00 24.97 ATOM 40 CA GLN A 358 -8.158 58.514 -5.676 1.00 24.29 ATOM 41 CA TRP A 359 -10.312 55.393 -6.039 1.00 18.16 ATOM 42 CA TRP A 360 -11.034 53.112 -3.055 1.00 28.09 ATOM 43 CA LEU A 361 -12.471 49.597 -2.741 1.00 10.00 ATOM 44 CA ARG A 362 -15.211 49.154 -0.146 1.00 10.00 ATOM 45 CA MET A 363 -13.265 46.466 1.690 1.00 12.48 ATOM 46 CA ARG A 364 -15.561 46.793 4.714 1.00 12.93 ATOM 47 CA PRO A 365 -18.178 44.371 3.403 1.00 10.00 ATOM 48 CA LEU A 366 -15.853 42.400 1.067 1.00 12.41 ATOM 49 CA ALA A 367 -13.636 41.706 4.042 1.00 16.74 ATOM 50 CA GLU A 368 -16.765 40.008 5.341 1.00 14.82 ATOM 51 CA GLU A 369 -17.551 37.148 3.025 1.00 10.00 ATOM 52 CA VAL A 370 -14.138 35.689 3.673 1.00 10.00 ATOM 53 CA LEU A 371 -14.454 35.971 7.439 1.00 11.95 ATOM 54 CA LYS A 372 -17.389 33.587 7.594 1.00 10.00 ATOM 55 CA GLY A 373 -15.282 31.484 5.269 1.00 17.29 ATOM 56 CA LEU A 374 -12.196 31.161 7.455 1.00 14.03 ATOM 57 CA ARG A 375 -14.829 30.604 10.114 1.00 18.48 ATOM 58 CA ARG A 376 -16.294 27.514 8.404 1.00 30.01 ATOM 59 CA GLY A 377 -12.961 25.701 8.537 1.00 34.65 ATOM 60 CA ASP A 378 -12.855 26.280 4.745 1.00 23.87 ATOM 61 CA ILE A 379 -9.162 27.142 4.973 1.00 15.19 ATOM 62 CA ALA A 380 -6.627 26.098 7.661 1.00 10.00 ATOM 63 CA PHE A 381 -3.110 27.464 8.351 1.00 10.00 ATOM 64 CA VAL A 382 0.121 25.583 9.072 1.00 10.00 ATOM 65 CA PRO A 383 1.543 27.483 12.014 1.00 10.00 ATOM 66 CA GLU A 384 -2.057 27.451 13.196 1.00 26.36 ATOM 67 CA ARG A 385 -1.232 30.687 14.921 1.00 22.79 ATOM 68 CA TRP A 386 -2.230 32.736 11.917 1.00 22.43 ATOM 69 CA LYS A 387 -5.854 31.703 11.686 1.00 15.57 ATOM 70 CA LYS A 388 -6.794 34.615 13.950 1.00 23.09 ATOM 71 CA VAL A 389 -4.021 36.860 12.712 1.00 11.49 ATOM 72 CA ASN A 390 -5.595 36.603 9.253 1.00 10.00 ATOM 73 CA MET A 391 -9.125 36.792 10.642 1.00 10.00 ATOM 74 CA ASP A 392 -8.208 39.842 12.660 1.00 12.07 ATOM 75 CA TRP A 393 -6.799 42.023 9.898 1.00 24.09 ATOM 76 CA LEU A 394 -10.194 41.108 8.444 1.00 18.49 ATOM 77 CA GLU A 395 -12.180 42.093 11.528 1.00 17.61 ATOM 78 CA ASN A 396 -11.584 45.649 10.263 1.00 15.60 ATOM 79 CA VAL A 397 -9.830 47.039 7.176 1.00 10.00 ATOM 80 CA LYS A 398 -10.294 50.522 5.614 1.00 10.74 ATOM 81 CA ASP A 399 -11.290 50.890 1.927 1.00 19.09 ATOM 82 CA TRP A 400 -7.786 50.056 0.653 1.00 14.56 ATOM 83 CA ASN A 401 -6.560 52.676 -1.851 1.00 10.00 ATOM 84 CA ILE A 402 -6.205 51.377 -5.327 1.00 10.00 ATOM 85 CA SER A 403 -5.359 54.594 -7.185 1.00 10.00 ATOM 86 CA ARG A 404 -1.710 55.098 -7.997 1.00 14.47 ATOM 87 CA GLN A 405 0.443 57.214 -10.292 1.00 24.37 ATOM 88 CA LEU A 406 3.171 55.825 -12.580 1.00 12.00 TER