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 143 GLY LYS LEU TYR THR LEU ARG TYR GLU VAL GLU GLY GLY SEQRES 2 A 143 GLY PHE ILE GLU ILE ALA THR VAL ARG PRO GLU THR VAL SEQRES 3 A 143 PHE ALA ASP GLN ALA ILE ALA VAL HIS PRO GLU ASP GLU SEQRES 4 A 143 ARG TYR ARG HIS LEU LEU GLY LYS ARG ALA ARG ILE PRO SEQRES 5 A 143 LEU THR GLU VAL TRP ILE PRO ILE LEU ALA ASP PRO ALA SEQRES 6 A 143 VAL GLU LYS ASP PHE GLY THR GLY ALA LEU LYS VAL THR SEQRES 7 A 143 PRO ALA HIS ASP PRO LEU ASP TYR GLU ILE GLY GLU ARG SEQRES 8 A 143 HIS GLY LEU LYS PRO VAL SER VAL ILE ASN LEU GLU GLY SEQRES 9 A 143 ARG MET GLU GLY GLU ARG VAL PRO GLU ALA LEU ARG GLY SEQRES 10 A 143 LEU ASP ARG PHE GLU ALA ARG ARG LYS ALA VAL GLU LEU SEQRES 11 A 143 PHE ARG GLU ALA GLY HIS LEU VAL LYS GLU GLU ASP TYR ATOM 1 CA GLY A 195 14.462 70.645 14.417 0.00 59.61 ATOM 2 CA LYS A 196 12.440 73.404 16.161 0.00 60.29 ATOM 3 CA LEU A 197 9.074 74.187 17.830 0.00 62.20 ATOM 4 CA TYR A 198 7.903 77.810 17.813 0.00 55.74 ATOM 5 CA THR A 199 5.195 79.078 20.169 0.00 59.43 ATOM 6 CA LEU A 200 2.907 81.391 18.218 0.00 52.04 ATOM 7 CA ARG A 201 0.196 83.181 20.202 0.00 54.48 ATOM 8 CA TYR A 202 -2.428 85.616 18.882 0.00 63.97 ATOM 9 CA GLU A 203 -5.664 87.638 18.855 0.00 59.91 ATOM 10 CA VAL A 204 -9.383 86.771 19.171 0.00 53.06 ATOM 11 CA GLU A 205 -12.532 88.717 18.281 0.00 56.02 ATOM 12 CA GLY A 206 -13.423 89.766 21.775 0.00 53.40 ATOM 13 CA GLY A 207 -10.390 88.613 23.733 0.00 57.13 ATOM 14 CA GLY A 208 -6.853 89.189 22.565 0.00 53.70 ATOM 15 CA PHE A 209 -4.711 86.106 23.120 0.00 53.32 ATOM 16 CA ILE A 210 -4.354 82.315 22.847 0.00 52.96 ATOM 17 CA GLU A 211 -1.360 79.907 22.872 0.00 54.36 ATOM 18 CA ILE A 212 0.052 77.693 20.095 0.00 56.37 ATOM 19 CA ALA A 213 3.066 75.331 19.550 0.00 53.06 ATOM 20 CA THR A 214 3.383 74.538 15.790 0.00 46.25 ATOM 21 CA VAL A 215 5.986 72.680 13.677 0.00 45.96 ATOM 22 CA ARG A 216 5.271 74.501 10.367 0.00 44.24 ATOM 23 CA PRO A 217 4.589 78.291 10.725 0.00 45.15 ATOM 24 CA GLU A 218 4.067 78.812 7.011 0.00 45.92 ATOM 25 CA THR A 219 0.940 76.637 6.910 0.00 50.40 ATOM 26 CA VAL A 220 -0.967 79.133 9.060 0.00 55.22 ATOM 27 CA PHE A 221 -2.923 80.110 5.941 0.00 62.36 ATOM 28 CA ALA A 222 -4.205 76.608 5.179 0.00 62.75 ATOM 29 CA ASP A 223 -5.787 76.902 8.632 0.00 66.53 ATOM 30 CA GLN A 224 -9.501 76.774 9.224 0.00 56.07 ATOM 31 CA ALA A 225 -9.887 76.296 12.972 0.00 52.17 ATOM 32 CA ILE A 226 -8.380 76.432 16.430 0.00 50.54 ATOM 33 CA ALA A 227 -9.046 73.467 18.693 0.00 51.64 ATOM 34 CA VAL A 228 -9.182 72.701 22.417 0.00 56.73 ATOM 35 CA HIS A 229 -10.264 69.565 24.315 0.00 57.49 ATOM 36 CA PRO A 230 -13.940 69.038 25.243 0.00 59.27 ATOM 37 CA GLU A 231 -12.926 68.775 28.910 0.00 57.63 ATOM 38 CA ASP A 232 -9.835 70.928 29.405 0.00 60.80 ATOM 39 CA GLU A 233 -11.404 74.133 30.750 0.00 71.24 ATOM 40 CA ARG A 234 -8.216 76.278 30.609 0.00 69.62 ATOM 41 CA TYR A 235 -9.712 77.559 27.330 0.00 75.03 ATOM 42 CA ARG A 236 -13.279 77.991 28.539 0.00 76.42 ATOM 43 CA HIS A 237 -14.502 81.455 27.510 0.00 79.43 ATOM 44 CA LEU A 238 -12.232 81.602 24.438 0.00 69.16 ATOM 45 CA LEU A 239 -14.111 78.706 22.841 0.00 61.64 ATOM 46 CA GLY A 240 -16.180 80.206 20.012 0.00 60.43 ATOM 47 CA LYS A 241 -15.237 83.704 18.814 0.00 53.82 ATOM 48 CA ARG A 242 -13.076 84.527 15.755 0.00 46.46 ATOM 49 CA ALA A 243 -9.308 84.188 15.370 0.00 52.52 ATOM 50 CA ARG A 244 -7.371 86.855 13.501 0.00 48.53 ATOM 51 CA ILE A 245 -4.293 84.839 12.502 0.00 56.29 ATOM 52 CA PRO A 246 -1.180 87.134 12.705 0.00 62.99 ATOM 53 CA LEU A 247 -0.163 89.507 9.882 0.00 57.10 ATOM 54 CA THR A 248 -3.150 88.574 7.710 0.00 62.49 ATOM 55 CA GLU A 249 -6.694 89.739 8.669 0.00 57.60 ATOM 56 CA VAL A 250 -8.855 86.611 8.322 0.00 67.24 ATOM 57 CA TRP A 251 -10.802 85.555 11.405 0.00 65.66 ATOM 58 CA ILE A 252 -11.275 81.888 12.355 0.00 60.85 ATOM 59 CA PRO A 253 -13.717 80.252 14.828 0.00 52.77 ATOM 60 CA ILE A 254 -11.967 78.431 17.694 0.00 44.33 ATOM 61 CA LEU A 255 -13.437 75.110 18.850 0.00 42.91 ATOM 62 CA ALA A 256 -12.741 71.803 20.624 0.00 45.18 ATOM 63 CA ASP A 257 -11.910 68.171 19.798 0.00 55.98 ATOM 64 CA PRO A 258 -11.230 64.888 21.769 0.00 63.21 ATOM 65 CA ALA A 259 -7.911 64.211 20.047 0.00 65.12 ATOM 66 CA VAL A 260 -6.096 67.203 21.518 0.00 65.28 ATOM 67 CA GLU A 261 -3.421 66.424 24.118 0.00 57.43 ATOM 68 CA LYS A 262 -4.506 69.148 26.564 0.00 58.28 ATOM 69 CA ASP A 263 -0.950 69.332 27.903 0.00 62.84 ATOM 70 CA PHE A 264 1.807 69.831 25.291 0.00 58.44 ATOM 71 CA GLY A 265 2.419 73.364 26.640 0.00 59.13 ATOM 72 CA THR A 266 -0.536 75.069 24.971 0.00 59.74 ATOM 73 CA GLY A 267 -3.820 73.145 24.792 0.00 49.20 ATOM 74 CA ALA A 268 -5.049 74.875 21.614 0.00 44.81 ATOM 75 CA LEU A 269 -3.551 73.859 18.261 0.00 41.29 ATOM 76 CA LYS A 270 -3.839 74.493 14.527 0.00 40.07 ATOM 77 CA VAL A 271 -6.161 72.982 11.894 0.00 40.86 ATOM 78 CA THR A 272 -4.443 72.656 8.492 0.00 41.99 ATOM 79 CA PRO A 273 -6.702 69.919 6.989 0.00 48.25 ATOM 80 CA ALA A 274 -5.150 70.137 3.543 0.00 51.52 ATOM 81 CA HIS A 275 -1.567 69.681 4.712 0.00 55.24 ATOM 82 CA ASP A 276 -2.107 67.480 7.781 0.00 48.47 ATOM 83 CA PRO A 277 -3.603 64.080 8.773 0.00 51.60 ATOM 84 CA LEU A 278 -4.567 65.088 12.293 0.00 46.48 ATOM 85 CA ASP A 279 -6.403 68.177 11.079 0.00 47.85 ATOM 86 CA TYR A 280 -8.291 66.981 7.985 0.00 48.84 ATOM 87 CA GLU A 281 -9.979 64.653 10.426 0.00 49.20 ATOM 88 CA ILE A 282 -11.086 67.208 13.006 0.00 46.75 ATOM 89 CA GLY A 283 -11.806 69.564 10.150 0.00 48.81 ATOM 90 CA GLU A 284 -14.329 67.365 8.320 0.00 48.38 ATOM 91 CA ARG A 285 -15.874 66.177 11.583 0.00 40.93 ATOM 92 CA HIS A 286 -16.876 69.846 11.402 0.00 42.00 ATOM 93 CA GLY A 287 -16.871 70.063 7.618 0.00 43.14 ATOM 94 CA LEU A 288 -14.103 72.642 7.702 0.00 45.11 ATOM 95 CA LYS A 289 -13.626 73.558 4.032 0.00 49.90 ATOM 96 CA PRO A 290 -9.987 72.821 2.997 0.00 53.54 ATOM 97 CA VAL A 291 -7.260 75.326 2.103 0.00 56.32 ATOM 98 CA SER A 292 -3.673 75.070 0.825 0.00 56.77 ATOM 99 CA VAL A 293 -0.653 77.316 1.379 0.00 61.09 ATOM 100 CA ILE A 294 1.897 75.333 -0.624 0.00 65.10 ATOM 101 CA ASN A 295 1.432 73.810 -4.110 0.00 69.44 ATOM 102 CA LEU A 296 3.128 70.556 -5.256 0.00 80.30 ATOM 103 CA GLU A 297 6.352 72.334 -6.273 0.00 81.86 ATOM 104 CA GLY A 298 7.570 72.598 -2.689 0.00 72.53 ATOM 105 CA ARG A 299 6.840 76.315 -2.442 0.00 73.03 ATOM 106 CA MET A 300 4.041 78.676 -1.375 0.00 67.06 ATOM 107 CA GLU A 301 1.054 80.155 -3.210 0.00 65.89 ATOM 108 CA GLY A 302 -2.643 80.971 -2.930 0.00 66.93 ATOM 109 CA GLU A 303 -4.682 83.940 -1.733 0.00 58.72 ATOM 110 CA ARG A 304 -4.415 82.761 1.881 0.00 56.31 ATOM 111 CA VAL A 305 -0.615 82.874 1.365 0.00 68.98 ATOM 112 CA PRO A 306 0.117 86.588 2.008 0.00 60.53 ATOM 113 CA GLU A 307 1.863 88.719 -0.636 0.00 59.91 ATOM 114 CA ALA A 308 5.674 88.627 -0.748 0.00 59.17 ATOM 115 CA LEU A 309 5.748 85.344 1.227 0.00 50.70 ATOM 116 CA ARG A 310 4.257 83.705 -1.881 0.00 65.65 ATOM 117 CA GLY A 311 7.190 82.109 -3.699 0.00 57.37 ATOM 118 CA LEU A 312 10.465 80.352 -2.746 0.00 63.50 ATOM 119 CA ASP A 313 11.044 76.993 -1.014 0.00 64.17 ATOM 120 CA ARG A 314 8.749 75.747 1.728 0.00 59.71 ATOM 121 CA PHE A 315 11.480 75.845 4.362 0.00 55.98 ATOM 122 CA GLU A 316 12.706 79.162 2.922 0.00 49.00 ATOM 123 CA ALA A 317 9.376 80.938 3.277 0.00 55.96 ATOM 124 CA ARG A 318 9.110 79.548 6.807 0.00 56.13 ATOM 125 CA ARG A 319 12.369 81.154 7.910 0.00 66.74 ATOM 126 CA LYS A 320 11.510 84.643 6.571 0.00 65.56 ATOM 127 CA ALA A 321 8.000 84.325 7.963 0.00 65.04 ATOM 128 CA VAL A 322 9.546 83.586 11.369 0.00 59.99 ATOM 129 CA GLU A 323 10.916 87.135 11.624 0.00 58.80 ATOM 130 CA LEU A 324 7.478 88.580 10.854 0.00 60.88 ATOM 131 CA PHE A 325 6.034 86.895 13.939 0.00 63.42 ATOM 132 CA ARG A 326 8.782 87.825 16.441 0.00 62.19 ATOM 133 CA GLU A 327 9.121 91.260 14.806 0.00 62.53 ATOM 134 CA ALA A 328 5.371 92.065 14.692 0.00 66.76 ATOM 135 CA GLY A 329 4.229 90.659 18.048 0.00 67.39 ATOM 136 CA HIS A 330 3.520 86.935 17.496 0.00 57.40 ATOM 137 CA LEU A 331 6.382 84.527 18.409 0.00 57.00 ATOM 138 CA VAL A 332 6.596 84.420 22.192 0.00 63.69 ATOM 139 CA LYS A 333 8.962 81.475 22.657 0.00 61.58 ATOM 140 CA GLU A 334 10.691 79.290 20.093 0.00 67.35 ATOM 141 CA GLU A 335 12.837 76.220 20.828 0.00 70.91 ATOM 142 CA ASP A 336 14.166 72.981 19.404 0.00 72.36 ATOM 143 CA TYR A 337 12.138 69.792 18.985 0.00 76.46 TER