HEADER LIGASE 31-DEC-69 3H97 TITLE Structure of a mutant methionyl-tRNA synthetase with modified TITLE 2 specificity COMPND MOL_ID: 1; COMPND 2 MOLECULE: Methionyl-tRNA synthetase; COMPND 3 CHAIN: A; COMPND 4 MUTATION: YES; COMPND 5 EC: 6.1.1.10; COMPND 6 FRAGMENT: M547 domain: UNP residues ; COMPND 7 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.70 ANGSTORMS DBREF 3H97 A 0 547 UNP P00959 SYM_ECOLI 1 548 SEQRES 1 A 30 VAL LYS GLY THR CYS PRO LYS CYS LYS SER PRO ASP GLN SEQRES 2 A 30 TYR GLY ASP ASN CYS GLU VAL CYS GLY ALA THR TYR SER SEQRES 3 A 30 PRO THR GLU LEU ATOM 1 N VAL A 141 31.521 6.428 9.416 1.00 6.36 ATOM 2 CA VAL A 141 32.489 7.223 8.677 1.00 6.51 ATOM 3 C VAL A 141 33.367 7.877 9.737 1.00 5.88 ATOM 4 O VAL A 141 32.861 8.455 10.697 1.00 6.29 ATOM 5 CB VAL A 141 31.826 8.354 7.858 1.00 6.82 ATOM 6 CG1 VAL A 141 32.895 9.136 7.105 1.00 7.29 ATOM 7 CG2 VAL A 141 30.809 7.780 6.887 1.00 7.51 ATOM 8 N LYS A 142 34.678 7.762 9.587 1.00 5.06 ATOM 9 CA LYS A 142 35.577 8.387 10.544 1.00 5.41 ATOM 10 C LYS A 142 36.607 9.194 9.779 1.00 5.60 ATOM 11 O LYS A 142 36.803 8.992 8.586 1.00 6.17 ATOM 12 CB LYS A 142 36.267 7.336 11.419 1.00 8.73 ATOM 13 CG LYS A 142 37.182 6.385 10.674 1.00 10.78 ATOM 14 CD LYS A 142 37.839 5.409 11.641 1.00 13.96 ATOM 15 CE LYS A 142 38.664 4.368 10.901 1.00 17.32 ATOM 16 NZ LYS A 142 39.275 3.380 11.835 1.00 20.04 ATOM 17 N GLY A 143 37.262 10.120 10.463 1.00 5.34 ATOM 18 CA GLY A 143 38.253 10.925 9.786 1.00 5.15 ATOM 19 C GLY A 143 38.796 12.017 10.671 1.00 4.74 ATOM 20 O GLY A 143 38.665 11.972 11.894 1.00 5.13 ATOM 21 N THR A 144 39.401 13.007 10.036 1.00 3.54 ATOM 22 CA THR A 144 39.992 14.126 10.748 1.00 4.52 ATOM 23 C THR A 144 39.051 15.323 10.822 1.00 4.70 ATOM 24 O THR A 144 38.487 15.750 9.817 1.00 5.12 ATOM 25 CB THR A 144 41.308 14.532 10.071 1.00 6.46 ATOM 26 OG1 THR A 144 42.238 13.447 10.184 1.00 7.25 ATOM 27 CG2 THR A 144 41.893 15.781 10.723 1.00 8.05 ATOM 28 N CYS A 145 38.882 15.856 12.027 1.00 3.23 ATOM 29 CA CYS A 145 38.009 17.003 12.239 1.00 4.54 ATOM 30 C CYS A 145 38.429 18.165 11.347 1.00 4.40 ATOM 31 O CYS A 145 39.584 18.584 11.366 1.00 5.38 ATOM 32 CB CYS A 145 38.066 17.443 13.698 1.00 6.14 ATOM 33 SG CYS A 145 37.084 18.912 14.019 1.00 5.31 ATOM 34 N PRO A 146 37.487 18.710 10.561 1.00 4.88 ATOM 35 CA PRO A 146 37.807 19.829 9.671 1.00 6.56 ATOM 36 C PRO A 146 38.215 21.107 10.402 1.00 8.01 ATOM 37 O PRO A 146 38.892 21.965 9.832 1.00 8.20 ATOM 38 CB PRO A 146 36.520 20.004 8.865 1.00 6.44 ATOM 39 CG PRO A 146 35.455 19.572 9.836 1.00 6.23 ATOM 40 CD PRO A 146 36.069 18.327 10.439 1.00 5.79 ATOM 41 N LYS A 147 37.817 21.226 11.665 1.00 8.45 ATOM 42 CA LYS A 147 38.128 22.417 12.451 1.00 10.13 ATOM 43 C LYS A 147 39.452 22.370 13.211 1.00 9.45 ATOM 44 O LYS A 147 40.354 23.164 12.941 1.00 10.84 ATOM 45 CB LYS A 147 36.997 22.699 13.441 1.00 12.82 ATOM 46 CG LYS A 147 35.625 22.795 12.798 1.00 18.39 ATOM 47 CD LYS A 147 35.546 23.944 11.810 1.00 21.37 ATOM 48 CE LYS A 147 34.238 23.903 11.041 1.00 24.51 ATOM 49 NZ LYS A 147 33.064 23.880 11.957 1.00 27.15 ATOM 50 N CYS A 148 39.573 21.444 14.157 1.00 7.87 ATOM 51 CA CYS A 148 40.791 21.355 14.960 1.00 6.83 ATOM 52 C CYS A 148 41.825 20.384 14.398 1.00 7.06 ATOM 53 O CYS A 148 42.963 20.340 14.867 1.00 6.90 ATOM 54 CB CYS A 148 40.442 20.960 16.394 1.00 7.15 ATOM 55 SG CYS A 148 39.984 19.225 16.594 1.00 6.11 ATOM 56 N LYS A 149 41.418 19.609 13.397 1.00 4.69 ATOM 57 CA LYS A 149 42.292 18.640 12.745 1.00 5.47 ATOM 58 C LYS A 149 42.638 17.425 13.602 1.00 6.52 ATOM 59 O LYS A 149 43.640 16.756 13.361 1.00 5.82 ATOM 60 CB LYS A 149 43.579 19.325 12.271 1.00 5.98 ATOM 61 CG LYS A 149 43.351 20.567 11.414 1.00 6.09 ATOM 62 CD LYS A 149 42.579 20.254 10.135 1.00 6.63 ATOM 63 CE LYS A 149 42.493 21.472 9.215 1.00 6.26 ATOM 64 NZ LYS A 149 41.873 22.652 9.884 1.00 7.38 ATOM 65 N SER A 150 41.819 17.140 14.608 1.00 6.10 ATOM 66 CA SER A 150 42.058 15.972 15.446 1.00 5.57 ATOM 67 C SER A 150 41.691 14.743 14.626 1.00 5.86 ATOM 68 O SER A 150 40.654 14.715 13.964 1.00 5.08 ATOM 69 CB SER A 150 41.207 16.026 16.712 1.00 5.69 ATOM 70 OG SER A 150 41.796 16.885 17.673 1.00 9.21 ATOM 71 N PRO A 151 42.538 13.708 14.664 1.00 5.83 ATOM 72 CA PRO A 151 42.295 12.476 13.913 1.00 6.61 ATOM 73 C PRO A 151 41.318 11.495 14.550 1.00 7.72 ATOM 74 O PRO A 151 40.958 11.609 15.721 1.00 7.46 ATOM 75 CB PRO A 151 43.690 11.880 13.798 1.00 7.08 ATOM 76 CG PRO A 151 44.272 12.214 15.141 1.00 5.85 ATOM 77 CD PRO A 151 43.857 13.667 15.322 1.00 5.58 ATOM 78 N ASP A 152 40.888 10.535 13.741 1.00 8.26 ATOM 79 CA ASP A 152 40.000 9.470 14.180 1.00 9.55 ATOM 80 C ASP A 152 38.712 9.882 14.878 1.00 9.05 ATOM 81 O ASP A 152 38.343 9.312 15.905 1.00 8.90 ATOM 82 CB ASP A 152 40.793 8.512 15.066 1.00 14.26 ATOM 83 CG ASP A 152 42.074 8.047 14.404 1.00 18.08 ATOM 84 OD1 ASP A 152 41.996 7.447 13.311 1.00 22.37 ATOM 85 OD2 ASP A 152 43.162 8.287 14.968 1.00 23.35 ATOM 86 N GLN A 153 38.025 10.869 14.312 1.00 8.04 ATOM 87 CA GLN A 153 36.756 11.324 14.860 1.00 6.43 ATOM 88 C GLN A 153 35.652 10.618 14.086 1.00 6.78 ATOM 89 O GLN A 153 35.781 10.392 12.882 1.00 6.86 ATOM 90 CB GLN A 153 36.621 12.839 14.716 1.00 5.56 ATOM 91 CG GLN A 153 37.599 13.605 15.592 1.00 4.22 ATOM 92 CD GLN A 153 37.542 13.153 17.035 1.00 5.98 ATOM 93 OE1 GLN A 153 36.473 13.128 17.647 1.00 7.61 ATOM 94 NE2 GLN A 153 38.693 12.793 17.590 1.00 7.82 ATOM 95 N TYR A 154 34.571 10.272 14.777 1.00 7.53 ATOM 96 CA TYR A 154 33.462 9.556 14.152 1.00 7.21 ATOM 97 C TYR A 154 32.197 10.368 13.910 1.00 6.81 ATOM 98 O TYR A 154 31.803 11.197 14.726 1.00 9.06 ATOM 99 CB TYR A 154 33.078 8.340 15.002 1.00 8.27 ATOM 100 CG TYR A 154 34.119 7.250 15.070 1.00 10.45 ATOM 101 CD1 TYR A 154 35.355 7.473 15.674 1.00 11.73 ATOM 102 CD2 TYR A 154 33.863 5.987 14.536 1.00 10.15 ATOM 103 CE1 TYR A 154 36.313 6.463 15.744 1.00 13.18 ATOM 104 CE2 TYR A 154 34.810 4.973 14.601 1.00 11.76 ATOM 105 CZ TYR A 154 36.032 5.216 15.204 1.00 13.55 ATOM 106 OH TYR A 154 36.972 4.214 15.262 1.00 16.04 ATOM 107 N GLY A 155 31.557 10.108 12.776 1.00 7.31 ATOM 108 CA GLY A 155 30.310 10.776 12.455 1.00 7.27 ATOM 109 C GLY A 155 30.296 12.282 12.287 1.00 8.95 ATOM 110 O GLY A 155 31.239 12.878 11.759 1.00 8.36 ATOM 111 N ASP A 156 29.206 12.893 12.749 1.00 8.62 ATOM 112 CA ASP A 156 29.000 14.328 12.618 1.00 9.49 ATOM 113 C ASP A 156 29.523 15.214 13.739 1.00 8.70 ATOM 114 O ASP A 156 29.115 16.371 13.842 1.00 9.03 ATOM 115 CB ASP A 156 27.507 14.630 12.417 1.00 10.72 ATOM 116 CG ASP A 156 26.660 14.272 13.630 1.00 13.58 ATOM 117 OD1 ASP A 156 27.224 14.034 14.720 1.00 11.10 ATOM 118 OD2 ASP A 156 25.416 14.242 13.497 1.00 13.13 ATOM 119 N ASN A 157 30.420 14.700 14.572 1.00 8.93 ATOM 120 CA ASN A 157 30.936 15.526 15.658 1.00 8.94 ATOM 121 C ASN A 157 32.323 15.123 16.124 1.00 8.59 ATOM 122 O ASN A 157 32.697 13.953 16.075 1.00 8.46 ATOM 123 CB ASN A 157 29.967 15.501 16.844 1.00 10.38 ATOM 124 CG ASN A 157 29.936 14.158 17.545 1.00 11.23 ATOM 125 OD1 ASN A 157 30.701 13.915 18.479 1.00 12.06 ATOM 126 ND2 ASN A 157 29.057 13.273 17.090 1.00 13.83 ATOM 127 N CYS A 158 33.078 16.116 16.581 1.00 8.04 ATOM 128 CA CYS A 158 34.432 15.904 17.071 1.00 6.72 ATOM 129 C CYS A 158 34.421 15.864 18.593 1.00 6.81 ATOM 130 O CYS A 158 33.908 16.781 19.240 1.00 6.95 ATOM 131 CB CYS A 158 35.337 17.037 16.593 1.00 7.01 ATOM 132 SG CYS A 158 37.013 16.946 17.244 1.00 5.63 ATOM 133 N GLU A 159 34.993 14.808 19.162 1.00 6.30 ATOM 134 CA GLU A 159 35.025 14.658 20.607 1.00 8.53 ATOM 135 C GLU A 159 36.185 15.376 21.286 1.00 9.17 ATOM 136 O GLU A 159 36.395 15.226 22.491 1.00 9.40 ATOM 137 CB GLU A 159 35.009 13.169 20.968 1.00 9.25 ATOM 138 CG GLU A 159 33.698 12.499 20.573 1.00 13.37 ATOM 139 CD GLU A 159 33.647 11.023 20.904 1.00 17.02 ATOM 140 OE1 GLU A 159 32.621 10.385 20.583 1.00 19.40 ATOM 141 OE2 GLU A 159 34.622 10.499 21.483 1.00 19.35 ATOM 142 N VAL A 160 36.945 16.155 20.523 1.00 7.88 ATOM 143 CA VAL A 160 38.038 16.905 21.127 1.00 7.69 ATOM 144 C VAL A 160 37.658 18.384 21.208 1.00 7.98 ATOM 145 O VAL A 160 37.705 18.968 22.286 1.00 8.63 ATOM 146 CB VAL A 160 39.385 16.740 20.358 1.00 7.01 ATOM 147 CG1 VAL A 160 39.694 15.267 20.159 0.50 8.83 ATOM 148 CG2 VAL A 160 39.344 17.463 19.049 0.50 9.68 ATOM 149 N CYS A 161 37.248 18.983 20.089 1.00 7.65 ATOM 150 CA CYS A 161 36.882 20.397 20.102 1.00 8.04 ATOM 151 C CYS A 161 35.378 20.645 20.193 1.00 8.56 ATOM 152 O CYS A 161 34.947 21.784 20.384 1.00 8.66 ATOM 153 CB CYS A 161 37.444 21.118 18.872 1.00 6.55 ATOM 154 SG CYS A 161 36.516 20.859 17.338 1.00 7.09 ATOM 155 N GLY A 162 34.585 19.587 20.045 1.00 7.97 ATOM 156 CA GLY A 162 33.139 19.716 20.142 1.00 9.76 ATOM 157 C GLY A 162 32.413 20.199 18.899 1.00 9.26 ATOM 158 O GLY A 162 31.193 20.382 18.915 1.00 9.77 ATOM 159 N ALA A 163 33.151 20.409 17.817 1.00 8.54 ATOM 160 CA ALA A 163 32.543 20.877 16.580 1.00 8.83 ATOM 161 C ALA A 163 31.563 19.856 16.014 1.00 8.66 ATOM 162 O ALA A 163 31.703 18.653 16.233 1.00 8.50 ATOM 163 CB ALA A 163 33.622 21.178 15.553 1.00 9.52 ATOM 164 N THR A 164 30.559 20.354 15.298 1.00 8.67 ATOM 165 CA THR A 164 29.568 19.500 14.657 1.00 9.81 ATOM 166 C THR A 164 29.616 19.833 13.172 1.00 9.09 ATOM 167 O THR A 164 29.834 20.985 12.790 1.00 8.90 ATOM 168 CB THR A 164 28.150 19.748 15.208 1.00 11.11 ATOM 169 OG1 THR A 164 27.848 21.146 15.153 1.00 14.44 ATOM 170 CG2 THR A 164 28.050 19.258 16.647 1.00 10.54 ATOM 171 N TYR A 165 29.418 18.822 12.335 1.00 9.42 ATOM 172 CA TYR A 165 29.487 19.010 10.894 1.00 9.15 ATOM 173 C TYR A 165 28.981 17.769 10.180 1.00 9.63 ATOM 174 O TYR A 165 28.762 16.735 10.801 1.00 9.01 ATOM 175 CB TYR A 165 30.944 19.260 10.497 1.00 8.02 ATOM 176 CG TYR A 165 31.910 18.342 11.227 1.00 8.35 ATOM 177 CD1 TYR A 165 32.002 16.986 10.906 1.00 8.17 ATOM 178 CD2 TYR A 165 32.690 18.820 12.279 1.00 7.51 ATOM 179 CE1 TYR A 165 32.846 16.128 11.622 1.00 8.33 ATOM 180 CE2 TYR A 165 33.533 17.977 12.997 1.00 5.82 ATOM 181 CZ TYR A 165 33.607 16.634 12.667 1.00 6.52 ATOM 182 OH TYR A 165 34.426 15.798 13.395 1.00 6.30 ATOM 183 N SER A 166 28.788 17.876 8.872 1.00 9.19 ATOM 184 CA SER A 166 28.354 16.725 8.103 1.00 10.13 ATOM 185 C SER A 166 29.594 15.861 7.926 1.00 8.79 ATOM 186 O SER A 166 30.694 16.386 7.760 1.00 7.91 ATOM 187 CB SER A 166 27.832 17.150 6.731 1.00 11.04 ATOM 188 OG SER A 166 27.561 16.010 5.936 1.00 13.85 ATOM 189 N PRO A 167 29.440 14.529 7.975 1.00 9.33 ATOM 190 CA PRO A 167 30.603 13.652 7.807 1.00 8.80 ATOM 191 C PRO A 167 31.317 13.902 6.478 1.00 9.44 ATOM 192 O PRO A 167 32.468 13.501 6.291 1.00 9.44 ATOM 193 CB PRO A 167 29.990 12.256 7.888 1.00 9.80 ATOM 194 CG PRO A 167 28.849 12.458 8.842 1.00 9.45 ATOM 195 CD PRO A 167 28.244 13.750 8.341 1.00 9.71 ATOM 196 N THR A 168 30.628 14.564 5.555 1.00 9.83 ATOM 197 CA THR A 168 31.212 14.867 4.254 1.00 9.58 ATOM 198 C THR A 168 32.297 15.930 4.402 1.00 8.92 ATOM 199 O THR A 168 33.040 16.206 3.460 1.00 9.48 ATOM 200 CB THR A 168 30.152 15.389 3.259 1.00 10.86 ATOM 201 OG1 THR A 168 29.600 16.620 3.742 1.00 10.60 ATOM 202 CG2 THR A 168 29.035 14.370 3.087 1.00 10.70 ATOM 203 N GLU A 169 32.386 16.523 5.590 1.00 9.27 ATOM 204 CA GLU A 169 33.377 17.559 5.857 1.00 9.04 ATOM 205 C GLU A 169 34.641 16.995 6.497 1.00 7.66 ATOM 206 O GLU A 169 35.640 17.700 6.644 1.00 6.70 ATOM 207 CB GLU A 169 32.775 18.643 6.758 1.00 11.55 ATOM 208 CG GLU A 169 31.604 19.388 6.121 1.00 14.64 ATOM 209 CD GLU A 169 31.033 20.474 7.017 1.00 19.24 ATOM 210 OE1 GLU A 169 31.800 21.372 7.425 1.00 21.02 ATOM 211 OE2 GLU A 169 29.818 20.432 7.310 1.00 19.88 ATOM 212 N LEU A 170 34.594 15.726 6.885 1.00 7.66 ATOM 213 CA LEU A 170 35.754 15.089 7.494 1.00 6.94 ATOM 214 C LEU A 170 36.921 15.048 6.514 1.00 7.43 ATOM 215 O LEU A 170 36.741 14.777 5.322 1.00 6.63 ATOM 216 CB LEU A 170 35.410 13.664 7.935 1.00 6.66 ATOM 217 CG LEU A 170 34.591 13.507 9.215 1.00 4.59 ATOM 218 CD1 LEU A 170 34.059 12.080 9.316 1.00 5.43 ATOM 219 CD2 LEU A 170 35.463 13.854 10.416 1.00 4.39 ATOM 220 ZN ZN A 601 37.651 19.035 16.280 1.00 6.03 TER