HEADER LIGASE 31-DEC-69 3H99 TITLE Structure of a mutant methionyl-tRNA synthetase with modified TITLE 2 specificity complexed with methionine 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. 1.40 ANGSTORMS DBREF 3H99 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 31.487 6.424 9.425 1.00 6.25 ATOM 2 CA VAL A 141 32.469 7.214 8.701 1.00 6.59 ATOM 3 C VAL A 141 33.333 7.857 9.783 1.00 5.93 ATOM 4 O VAL A 141 32.815 8.386 10.770 1.00 7.24 ATOM 5 CB VAL A 141 31.825 8.346 7.872 1.00 6.11 ATOM 6 CG1 VAL A 141 32.901 9.100 7.101 1.00 8.27 ATOM 7 CG2 VAL A 141 30.785 7.775 6.922 1.00 7.58 ATOM 8 N LYS A 142 34.646 7.788 9.615 1.00 5.58 ATOM 9 CA LYS A 142 35.552 8.393 10.578 1.00 6.12 ATOM 10 C LYS A 142 36.584 9.184 9.798 1.00 5.92 ATOM 11 O LYS A 142 36.767 8.967 8.600 1.00 6.40 ATOM 12 CB LYS A 142 36.231 7.323 11.440 1.00 8.54 ATOM 13 CG LYS A 142 37.138 6.377 10.679 1.00 10.76 ATOM 14 CD LYS A 142 37.688 5.282 11.587 1.00 14.88 ATOM 15 CE LYS A 142 38.529 5.853 12.720 1.00 19.25 ATOM 16 NZ LYS A 142 39.071 4.780 13.604 1.00 20.72 ATOM 17 N GLY A 143 37.253 10.109 10.471 1.00 4.90 ATOM 18 CA GLY A 143 38.248 10.907 9.790 1.00 4.73 ATOM 19 C GLY A 143 38.794 12.007 10.667 1.00 3.79 ATOM 20 O GLY A 143 38.680 11.960 11.893 1.00 4.90 ATOM 21 N THR A 144 39.382 13.008 10.028 1.00 4.69 ATOM 22 CA THR A 144 39.977 14.121 10.738 1.00 4.85 ATOM 23 C THR A 144 39.021 15.302 10.836 1.00 3.52 ATOM 24 O THR A 144 38.423 15.721 9.841 1.00 4.17 ATOM 25 CB THR A 144 41.284 14.523 10.038 1.00 5.66 ATOM 26 OG1 THR A 144 42.209 13.432 10.142 1.00 8.89 ATOM 27 CG2 THR A 144 41.891 15.768 10.670 1.00 6.60 ATOM 28 N CYS A 145 38.861 15.823 12.050 1.00 4.04 ATOM 29 CA CYS A 145 37.976 16.960 12.273 1.00 3.86 ATOM 30 C CYS A 145 38.401 18.123 11.389 1.00 4.68 ATOM 31 O CYS A 145 39.559 18.535 11.410 1.00 5.41 ATOM 32 CB CYS A 145 38.017 17.391 13.739 1.00 4.82 ATOM 33 SG CYS A 145 37.086 18.903 14.074 1.00 5.38 ATOM 34 N PRO A 146 37.461 18.680 10.610 1.00 5.12 ATOM 35 CA PRO A 146 37.803 19.802 9.731 1.00 6.40 ATOM 36 C PRO A 146 38.219 21.072 10.465 1.00 7.48 ATOM 37 O PRO A 146 38.935 21.906 9.914 1.00 8.59 ATOM 38 CB PRO A 146 36.528 19.998 8.911 1.00 7.09 ATOM 39 CG PRO A 146 35.449 19.600 9.873 1.00 6.39 ATOM 40 CD PRO A 146 36.025 18.355 10.519 1.00 5.73 ATOM 41 N LYS A 147 37.786 21.209 11.714 1.00 7.13 ATOM 42 CA LYS A 147 38.109 22.402 12.485 1.00 8.06 ATOM 43 C LYS A 147 39.431 22.345 13.245 1.00 7.92 ATOM 44 O LYS A 147 40.336 23.132 12.971 1.00 9.79 ATOM 45 CB LYS A 147 36.965 22.719 13.452 1.00 10.17 ATOM 46 CG LYS A 147 35.612 22.863 12.768 1.00 15.17 ATOM 47 CD LYS A 147 35.685 23.834 11.599 1.00 19.45 ATOM 48 CE LYS A 147 34.394 23.834 10.797 1.00 22.31 ATOM 49 NZ LYS A 147 34.500 24.681 9.575 1.00 25.38 ATOM 50 N CYS A 148 39.553 21.419 14.191 1.00 6.35 ATOM 51 CA CYS A 148 40.777 21.327 14.983 1.00 6.02 ATOM 52 C CYS A 148 41.817 20.365 14.418 1.00 6.28 ATOM 53 O CYS A 148 42.950 20.325 14.894 1.00 7.30 ATOM 54 CB CYS A 148 40.446 20.933 16.422 1.00 6.64 ATOM 55 SG CYS A 148 39.969 19.211 16.633 1.00 5.22 ATOM 56 N LYS A 149 41.428 19.593 13.407 1.00 5.28 ATOM 57 CA LYS A 149 42.316 18.632 12.751 1.00 5.56 ATOM 58 C LYS A 149 42.664 17.407 13.597 1.00 6.01 ATOM 59 O LYS A 149 43.642 16.707 13.320 1.00 6.24 ATOM 60 CB LYS A 149 43.603 19.324 12.284 1.00 6.36 ATOM 61 CG LYS A 149 43.378 20.553 11.405 1.00 6.74 ATOM 62 CD LYS A 149 42.595 20.226 10.143 1.00 7.84 ATOM 63 CE LYS A 149 42.479 21.442 9.232 1.00 8.40 ATOM 64 NZ LYS A 149 41.800 22.586 9.897 1.00 9.07 ATOM 65 N SER A 150 41.872 17.145 14.632 1.00 4.89 ATOM 66 CA SER A 150 42.106 15.970 15.462 1.00 5.20 ATOM 67 C SER A 150 41.739 14.744 14.632 1.00 5.55 ATOM 68 O SER A 150 40.702 14.719 13.960 1.00 5.22 ATOM 69 CB SER A 150 41.255 16.018 16.729 1.00 6.14 ATOM 70 OG SER A 150 41.809 16.918 17.673 1.00 7.93 ATOM 71 N PRO A 151 42.582 13.705 14.675 1.00 4.83 ATOM 72 CA PRO A 151 42.342 12.478 13.916 1.00 5.92 ATOM 73 C PRO A 151 41.346 11.517 14.547 1.00 6.59 ATOM 74 O PRO A 151 40.951 11.662 15.707 1.00 6.49 ATOM 75 CB PRO A 151 43.733 11.865 13.828 1.00 6.30 ATOM 76 CG PRO A 151 44.294 12.185 15.185 1.00 6.49 ATOM 77 CD PRO A 151 43.867 13.631 15.400 1.00 4.64 ATOM 78 N ASP A 152 40.941 10.543 13.740 1.00 8.42 ATOM 79 CA ASP A 152 40.042 9.477 14.149 1.00 9.65 ATOM 80 C ASP A 152 38.757 9.869 14.871 1.00 9.92 ATOM 81 O ASP A 152 38.412 9.299 15.906 1.00 10.94 ATOM 82 CB ASP A 152 40.843 8.471 14.974 1.00 13.08 ATOM 83 CG ASP A 152 42.104 8.017 14.255 1.00 14.47 ATOM 84 OD1 ASP A 152 41.990 7.475 13.134 1.00 20.06 ATOM 85 OD2 ASP A 152 43.213 8.209 14.797 1.00 19.03 ATOM 86 N GLN A 153 38.046 10.840 14.310 1.00 7.94 ATOM 87 CA GLN A 153 36.773 11.271 14.873 1.00 6.88 ATOM 88 C GLN A 153 35.668 10.558 14.097 1.00 7.22 ATOM 89 O GLN A 153 35.782 10.358 12.887 1.00 6.75 ATOM 90 CB GLN A 153 36.618 12.788 14.760 1.00 6.47 ATOM 91 CG GLN A 153 37.599 13.554 15.633 1.00 6.87 ATOM 92 CD GLN A 153 37.575 13.073 17.070 1.00 6.59 ATOM 93 OE1 GLN A 153 36.523 13.047 17.708 1.00 7.39 ATOM 94 NE2 GLN A 153 38.737 12.688 17.588 1.00 8.58 ATOM 95 N TYR A 154 34.603 10.178 14.795 1.00 7.24 ATOM 96 CA TYR A 154 33.494 9.456 14.180 1.00 7.49 ATOM 97 C TYR A 154 32.227 10.268 13.958 1.00 7.41 ATOM 98 O TYR A 154 31.826 11.069 14.799 1.00 8.46 ATOM 99 CB TYR A 154 33.125 8.238 15.032 1.00 8.83 ATOM 100 CG TYR A 154 34.172 7.153 15.089 1.00 9.23 ATOM 101 CD1 TYR A 154 35.408 7.373 15.699 1.00 10.65 ATOM 102 CD2 TYR A 154 33.921 5.897 14.543 1.00 9.35 ATOM 103 CE1 TYR A 154 36.367 6.362 15.763 1.00 11.93 ATOM 104 CE2 TYR A 154 34.868 4.884 14.602 1.00 10.73 ATOM 105 CZ TYR A 154 36.088 5.120 15.212 1.00 11.32 ATOM 106 OH TYR A 154 37.022 4.113 15.268 1.00 15.58 ATOM 107 N GLY A 155 31.594 10.046 12.812 1.00 7.37 ATOM 108 CA GLY A 155 30.342 10.715 12.516 1.00 7.73 ATOM 109 C GLY A 155 30.310 12.222 12.354 1.00 8.29 ATOM 110 O GLY A 155 31.228 12.828 11.805 1.00 8.36 ATOM 111 N ASP A 156 29.233 12.824 12.852 1.00 8.60 ATOM 112 CA ASP A 156 29.012 14.260 12.726 1.00 9.64 ATOM 113 C ASP A 156 29.543 15.161 13.835 1.00 8.32 ATOM 114 O ASP A 156 29.124 16.314 13.938 1.00 9.70 ATOM 115 CB ASP A 156 27.513 14.540 12.555 1.00 11.61 ATOM 116 CG ASP A 156 26.696 14.141 13.775 1.00 13.59 ATOM 117 OD1 ASP A 156 27.266 14.057 14.883 1.00 12.82 ATOM 118 OD2 ASP A 156 25.473 13.927 13.634 1.00 15.70 ATOM 119 N ASN A 157 30.456 14.668 14.661 1.00 7.61 ATOM 120 CA ASN A 157 30.969 15.515 15.729 1.00 7.25 ATOM 121 C ASN A 157 32.356 15.116 16.195 1.00 6.86 ATOM 122 O ASN A 157 32.743 13.952 16.125 1.00 7.67 ATOM 123 CB ASN A 157 29.995 15.509 16.912 1.00 9.27 ATOM 124 CG ASN A 157 29.926 14.167 17.602 1.00 8.54 ATOM 125 OD1 ASN A 157 30.678 13.893 18.537 1.00 11.55 ATOM 126 ND2 ASN A 157 29.028 13.310 17.133 1.00 11.54 ATOM 127 N CYS A 158 33.098 16.110 16.671 1.00 5.96 ATOM 128 CA CYS A 158 34.453 15.914 17.159 1.00 5.89 ATOM 129 C CYS A 158 34.463 15.859 18.681 1.00 6.29 ATOM 130 O CYS A 158 33.967 16.770 19.347 1.00 7.81 ATOM 131 CB CYS A 158 35.347 17.058 16.683 1.00 6.95 ATOM 132 SG CYS A 158 37.036 16.948 17.294 1.00 6.15 ATOM 133 N GLU A 159 35.039 14.795 19.228 1.00 6.23 ATOM 134 CA GLU A 159 35.089 14.631 20.671 1.00 7.24 ATOM 135 C GLU A 159 36.253 15.352 21.340 1.00 7.46 ATOM 136 O GLU A 159 36.470 15.204 22.545 1.00 8.69 ATOM 137 CB GLU A 159 35.078 13.140 21.024 1.00 8.98 ATOM 138 CG GLU A 159 33.765 12.472 20.621 1.00 12.58 ATOM 139 CD GLU A 159 33.684 11.005 20.989 1.00 14.83 ATOM 140 OE1 GLU A 159 32.636 10.387 20.703 1.00 18.05 ATOM 141 OE2 GLU A 159 34.656 10.470 21.559 1.00 17.29 ATOM 142 N VAL A 160 37.011 16.128 20.568 1.00 6.26 ATOM 143 CA VAL A 160 38.096 16.898 21.163 1.00 7.60 ATOM 144 C VAL A 160 37.690 18.374 21.232 1.00 8.24 ATOM 145 O VAL A 160 37.668 18.952 22.316 1.00 8.67 ATOM 146 CB VAL A 160 39.441 16.750 20.396 1.00 8.07 ATOM 147 CG1 VAL A 160 39.824 15.285 20.292 1.00 8.81 ATOM 148 CG2 VAL A 160 39.358 17.385 19.051 1.00 14.46 ATOM 149 N CYS A 161 37.329 18.979 20.099 1.00 7.23 ATOM 150 CA CYS A 161 36.944 20.390 20.107 1.00 7.72 ATOM 151 C CYS A 161 35.438 20.622 20.219 1.00 6.96 ATOM 152 O CYS A 161 34.999 21.754 20.424 1.00 8.63 ATOM 153 CB CYS A 161 37.479 21.109 18.861 1.00 5.81 ATOM 154 SG CYS A 161 36.548 20.814 17.330 1.00 5.99 ATOM 155 N GLY A 162 34.650 19.559 20.077 1.00 6.58 ATOM 156 CA GLY A 162 33.206 19.687 20.194 1.00 8.16 ATOM 157 C GLY A 162 32.458 20.152 18.958 1.00 8.04 ATOM 158 O GLY A 162 31.235 20.303 18.991 1.00 9.87 ATOM 159 N ALA A 163 33.175 20.374 17.862 1.00 8.24 ATOM 160 CA ALA A 163 32.536 20.826 16.632 1.00 8.02 ATOM 161 C ALA A 163 31.556 19.797 16.078 1.00 8.51 ATOM 162 O ALA A 163 31.714 18.593 16.282 1.00 8.36 ATOM 163 CB ALA A 163 33.593 21.142 15.583 1.00 8.36 ATOM 164 N THR A 164 30.535 20.289 15.384 1.00 9.73 ATOM 165 CA THR A 164 29.537 19.433 14.757 1.00 10.95 ATOM 166 C THR A 164 29.570 19.776 13.275 1.00 10.00 ATOM 167 O THR A 164 29.744 20.938 12.903 1.00 10.00 ATOM 168 CB THR A 164 28.124 19.680 15.320 1.00 12.24 ATOM 169 OG1 THR A 164 27.794 21.069 15.206 1.00 16.24 ATOM 170 CG2 THR A 164 28.058 19.255 16.779 1.00 13.40 ATOM 171 N TYR A 165 29.406 18.763 12.433 1.00 8.73 ATOM 172 CA TYR A 165 29.471 18.952 10.989 1.00 9.32 ATOM 173 C TYR A 165 28.985 17.693 10.290 1.00 8.89 ATOM 174 O TYR A 165 28.849 16.645 10.912 1.00 10.03 ATOM 175 CB TYR A 165 30.927 19.217 10.593 1.00 8.66 ATOM 176 CG TYR A 165 31.900 18.305 11.321 1.00 7.05 ATOM 177 CD1 TYR A 165 32.005 16.952 10.993 1.00 6.46 ATOM 178 CD2 TYR A 165 32.661 18.780 12.390 1.00 6.82 ATOM 179 CE1 TYR A 165 32.840 16.092 11.715 1.00 7.22 ATOM 180 CE2 TYR A 165 33.495 17.931 13.117 1.00 6.55 ATOM 181 CZ TYR A 165 33.579 16.592 12.778 1.00 5.28 ATOM 182 OH TYR A 165 34.389 15.756 13.515 1.00 6.53 ATOM 183 N SER A 166 28.719 17.799 8.994 1.00 10.16 ATOM 184 CA SER A 166 28.301 16.630 8.240 1.00 10.55 ATOM 185 C SER A 166 29.554 15.785 8.050 1.00 9.42 ATOM 186 O SER A 166 30.648 16.323 7.885 1.00 7.99 ATOM 187 CB SER A 166 27.754 17.035 6.872 1.00 12.14 ATOM 188 OG SER A 166 27.549 15.891 6.061 1.00 13.62 ATOM 189 N PRO A 167 29.417 14.451 8.087 1.00 9.55 ATOM 190 CA PRO A 167 30.597 13.601 7.903 1.00 9.30 ATOM 191 C PRO A 167 31.293 13.868 6.566 1.00 8.94 ATOM 192 O PRO A 167 32.455 13.512 6.373 1.00 8.49 ATOM 193 CB PRO A 167 30.019 12.193 7.991 1.00 9.67 ATOM 194 CG PRO A 167 28.893 12.366 8.967 1.00 11.42 ATOM 195 CD PRO A 167 28.249 13.648 8.490 1.00 10.56 ATOM 196 N THR A 168 30.575 14.500 5.642 1.00 9.25 ATOM 197 CA THR A 168 31.141 14.818 4.337 1.00 9.60 ATOM 198 C THR A 168 32.228 15.883 4.472 1.00 9.19 ATOM 199 O THR A 168 32.962 16.153 3.522 1.00 10.29 ATOM 200 CB THR A 168 30.061 15.340 3.366 1.00 10.14 ATOM 201 OG1 THR A 168 29.487 16.542 3.890 1.00 11.57 ATOM 202 CG2 THR A 168 28.967 14.300 3.176 1.00 11.68 ATOM 203 N GLU A 169 32.329 16.480 5.657 1.00 8.33 ATOM 204 CA GLU A 169 33.325 17.516 5.915 1.00 8.67 ATOM 205 C GLU A 169 34.603 16.954 6.534 1.00 7.16 ATOM 206 O GLU A 169 35.607 17.657 6.645 1.00 7.91 ATOM 207 CB GLU A 169 32.736 18.595 6.830 1.00 10.54 ATOM 208 CG GLU A 169 31.536 19.320 6.230 1.00 14.91 ATOM 209 CD GLU A 169 30.963 20.378 7.153 1.00 18.26 ATOM 210 OE1 GLU A 169 31.703 21.315 7.514 1.00 21.06 ATOM 211 OE2 GLU A 169 29.773 20.273 7.518 1.00 19.48 ATOM 212 N LEU A 170 34.570 15.690 6.938 1.00 6.13 ATOM 213 CA LEU A 170 35.747 15.066 7.529 1.00 6.08 ATOM 214 C LEU A 170 36.901 15.019 6.537 1.00 6.66 ATOM 215 O LEU A 170 36.709 14.740 5.350 1.00 7.90 ATOM 216 CB LEU A 170 35.422 13.647 7.990 1.00 5.13 ATOM 217 CG LEU A 170 34.593 13.513 9.266 1.00 4.44 ATOM 218 CD1 LEU A 170 34.079 12.091 9.391 1.00 6.23 ATOM 219 CD2 LEU A 170 35.438 13.899 10.471 1.00 5.42 ATOM 220 ZN ZN A 601 37.650 19.011 16.330 1.00 5.79 TER