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 46 TRP TRP GLY HIS GLN ILE PRO ALA TRP TYR CYS GLU ASP SEQRES 2 B 46 CYS GLN ALA VAL ASN VAL PRO ARG PRO GLU ARG TYR LEU SEQRES 3 B 46 GLU ASP PRO THR SER CYS GLU ALA CYS GLY SER PRO ARG SEQRES 4 B 46 LEU LYS ARG ASP GLU ASP VAL ATOM 1 CA TRP B 407 137.655 159.896 -15.797 1.00 17.18 ATOM 2 CA TRP B 408 139.072 156.429 -15.366 1.00 21.89 ATOM 3 CA GLY B 409 136.189 154.243 -14.156 1.00 23.66 ATOM 4 CA HIS B 410 132.529 153.816 -15.118 1.00 25.62 ATOM 5 CA GLN B 411 130.540 156.994 -15.719 1.00 37.23 ATOM 6 CA ILE B 412 126.994 156.873 -14.326 1.00 22.14 ATOM 7 CA PRO B 413 124.005 156.513 -16.729 1.00 18.94 ATOM 8 CA ALA B 414 122.198 159.646 -15.556 1.00 17.00 ATOM 9 CA TRP B 415 121.377 162.358 -18.069 1.00 25.64 ATOM 10 CA TYR B 416 120.295 165.896 -17.225 1.00 37.86 ATOM 11 CA CYS B 417 118.315 168.440 -19.204 1.00 45.90 ATOM 12 CA GLU B 418 119.537 172.032 -19.545 1.00 44.59 ATOM 13 CA ASP B 419 116.007 173.312 -19.006 1.00 49.22 ATOM 14 CA CYS B 420 113.988 171.416 -16.373 1.00 39.61 ATOM 15 CA GLN B 421 117.132 169.667 -15.067 1.00 47.21 ATOM 16 CA ALA B 422 115.824 166.108 -14.808 1.00 58.32 ATOM 17 CA VAL B 423 117.284 162.585 -14.717 1.00 41.06 ATOM 18 CA ASN B 424 116.908 159.817 -17.310 1.00 34.08 ATOM 19 CA VAL B 425 117.890 156.414 -15.934 1.00 28.89 ATOM 20 CA PRO B 426 117.141 154.207 -18.935 1.00 17.67 ATOM 21 CA ARG B 427 114.338 151.788 -18.191 1.00 28.82 ATOM 22 CA PRO B 428 115.879 148.377 -17.159 1.00 32.19 ATOM 23 CA GLU B 429 114.285 146.068 -19.745 1.00 44.33 ATOM 24 CA ARG B 430 116.091 148.545 -22.085 1.00 42.77 ATOM 25 CA TYR B 431 119.134 149.903 -20.207 1.00 28.95 ATOM 26 CA LEU B 432 121.599 150.308 -23.055 1.00 28.97 ATOM 27 CA GLU B 433 118.880 152.434 -24.659 1.00 29.90 ATOM 28 CA ASP B 434 120.768 155.715 -24.341 1.00 19.77 ATOM 29 CA PRO B 435 118.530 158.680 -23.449 1.00 20.96 ATOM 30 CA THR B 436 117.681 161.005 -26.298 1.00 46.11 ATOM 31 CA SER B 437 114.559 163.041 -25.500 1.00 53.89 ATOM 32 CA CYS B 438 113.895 164.404 -22.006 1.00 43.87 ATOM 33 CA GLU B 439 110.913 162.241 -20.980 1.00 56.32 ATOM 34 CA ALA B 440 109.798 165.201 -18.843 1.00 58.57 ATOM 35 CA CYS B 441 110.182 168.608 -20.504 1.00 56.09 ATOM 36 CA GLY B 442 110.824 166.856 -23.810 1.00 61.51 ATOM 37 CA SER B 443 113.814 169.056 -24.777 1.00 47.12 ATOM 38 CA PRO B 444 116.791 167.123 -26.290 1.00 52.15 ATOM 39 CA ARG B 445 118.902 169.508 -24.230 1.00 44.07 ATOM 40 CA LEU B 446 120.066 166.495 -22.252 1.00 34.56 ATOM 41 CA LYS B 447 123.453 166.493 -20.505 1.00 33.00 ATOM 42 CA ARG B 448 124.836 163.365 -18.833 1.00 21.33 ATOM 43 CA ASP B 449 126.499 163.257 -15.420 1.00 24.34 ATOM 44 CA GLU B 450 130.290 163.267 -15.960 1.00 40.99 ATOM 45 CA ASP B 451 131.199 161.565 -12.683 1.00 27.65 ATOM 46 CA VAL B 452 132.125 157.943 -11.899 1.00 31.95 TER