HEADER LIGASE 31-DEC-69 3H9B TITLE Structure of a mutant methionyl-tRNA synthetase with modified TITLE 2 specificity complexed with azidonorleucine COMPND MOL_ID: 1; COMPND 2 MOLECULE: Methionyl-tRNA synthetase; COMPND 3 CHAIN: A; COMPND 4 EC: 6.1.1.10; COMPND 5 FRAGMENT: M547 domain: UNP residues ; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 1.50 ANGSTORMS DBREF 3H9B 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 31.501 6.424 9.500 1.00 8.24 ATOM 2 CA VAL A 141 32.472 7.214 8.760 1.00 8.12 ATOM 3 C VAL A 141 33.361 7.869 9.808 1.00 8.13 ATOM 4 O VAL A 141 32.868 8.421 10.792 1.00 8.44 ATOM 5 CB VAL A 141 31.813 8.340 7.939 1.00 8.27 ATOM 6 CG1 VAL A 141 32.879 9.097 7.155 1.00 9.58 ATOM 7 CG2 VAL A 141 30.762 7.766 7.006 1.00 9.83 ATOM 8 N LYS A 142 34.671 7.791 9.615 1.00 7.03 ATOM 9 CA LYS A 142 35.590 8.414 10.554 1.00 7.91 ATOM 10 C LYS A 142 36.623 9.201 9.771 1.00 7.69 ATOM 11 O LYS A 142 36.816 8.975 8.576 1.00 8.19 ATOM 12 CB LYS A 142 36.268 7.362 11.438 1.00 10.06 ATOM 13 CG LYS A 142 37.170 6.387 10.707 1.00 11.46 ATOM 14 CD LYS A 142 37.832 5.432 11.691 1.00 15.42 ATOM 15 CE LYS A 142 38.751 4.453 10.981 1.00 18.36 ATOM 16 NZ LYS A 142 39.393 3.506 11.934 1.00 21.15 ATOM 17 N GLY A 143 37.279 10.140 10.436 1.00 7.16 ATOM 18 CA GLY A 143 38.268 10.939 9.750 1.00 5.74 ATOM 19 C GLY A 143 38.835 12.016 10.640 1.00 5.03 ATOM 20 O GLY A 143 38.730 11.949 11.865 1.00 6.08 ATOM 21 N THR A 144 39.434 13.018 10.015 1.00 5.84 ATOM 22 CA THR A 144 40.043 14.111 10.744 1.00 5.79 ATOM 23 C THR A 144 39.103 15.306 10.827 1.00 4.67 ATOM 24 O THR A 144 38.515 15.715 9.827 1.00 5.11 ATOM 25 CB THR A 144 41.362 14.502 10.063 1.00 6.20 ATOM 26 OG1 THR A 144 42.267 13.390 10.136 1.00 9.17 ATOM 27 CG2 THR A 144 41.986 15.710 10.739 1.00 6.76 ATOM 28 N CYS A 145 38.947 15.846 12.032 1.00 5.08 ATOM 29 CA CYS A 145 38.076 16.994 12.240 1.00 5.22 ATOM 30 C CYS A 145 38.520 18.142 11.351 1.00 5.57 ATOM 31 O CYS A 145 39.686 18.533 11.365 1.00 6.16 ATOM 32 CB CYS A 145 38.129 17.438 13.700 1.00 5.97 ATOM 33 SG CYS A 145 37.211 18.964 14.028 1.00 6.05 ATOM 34 N PRO A 146 37.588 18.711 10.571 1.00 5.87 ATOM 35 CA PRO A 146 37.946 19.821 9.686 1.00 7.44 ATOM 36 C PRO A 146 38.343 21.100 10.420 1.00 8.27 ATOM 37 O PRO A 146 39.028 21.959 9.857 1.00 9.80 ATOM 38 CB PRO A 146 36.690 20.000 8.838 1.00 7.78 ATOM 39 CG PRO A 146 35.590 19.609 9.783 1.00 7.21 ATOM 40 CD PRO A 146 36.160 18.370 10.446 1.00 7.34 ATOM 41 N LYS A 147 37.926 21.221 11.676 1.00 7.78 ATOM 42 CA LYS A 147 38.235 22.413 12.456 1.00 9.56 ATOM 43 C LYS A 147 39.557 22.356 13.217 1.00 9.46 ATOM 44 O LYS A 147 40.464 23.144 12.941 1.00 10.46 ATOM 45 CB LYS A 147 37.085 22.716 13.425 1.00 12.35 ATOM 46 CG LYS A 147 35.754 22.911 12.719 1.00 17.59 ATOM 47 CD LYS A 147 35.887 23.950 11.617 1.00 21.10 ATOM 48 CE LYS A 147 34.934 23.672 10.467 1.00 24.52 ATOM 49 NZ LYS A 147 35.225 24.544 9.292 1.00 27.58 ATOM 50 N CYS A 148 39.678 21.430 14.164 1.00 8.58 ATOM 51 CA CYS A 148 40.904 21.338 14.955 1.00 8.57 ATOM 52 C CYS A 148 41.938 20.372 14.390 1.00 8.10 ATOM 53 O CYS A 148 43.070 20.321 14.868 1.00 9.17 ATOM 54 CB CYS A 148 40.579 20.940 16.394 1.00 8.54 ATOM 55 SG CYS A 148 40.110 19.220 16.597 1.00 7.12 ATOM 56 N LYS A 149 41.541 19.601 13.383 1.00 7.05 ATOM 57 CA LYS A 149 42.430 18.643 12.730 1.00 6.19 ATOM 58 C LYS A 149 42.775 17.420 13.580 1.00 6.59 ATOM 59 O LYS A 149 43.772 16.743 13.327 1.00 6.44 ATOM 60 CB LYS A 149 43.719 19.340 12.269 1.00 7.97 ATOM 61 CG LYS A 149 43.496 20.573 11.389 1.00 8.17 ATOM 62 CD LYS A 149 42.711 20.247 10.123 1.00 8.56 ATOM 63 CE LYS A 149 42.605 21.459 9.204 1.00 9.11 ATOM 64 NZ LYS A 149 41.949 22.621 9.868 1.00 9.77 ATOM 65 N SER A 150 41.957 17.135 14.588 1.00 6.16 ATOM 66 CA SER A 150 42.190 15.960 15.423 1.00 6.61 ATOM 67 C SER A 150 41.803 14.726 14.614 1.00 7.21 ATOM 68 O SER A 150 40.763 14.708 13.952 1.00 6.35 ATOM 69 CB SER A 150 41.354 16.025 16.702 1.00 7.93 ATOM 70 OG SER A 150 41.925 16.929 17.629 1.00 8.84 ATOM 71 N PRO A 151 42.636 13.677 14.657 1.00 5.71 ATOM 72 CA PRO A 151 42.377 12.439 13.919 1.00 6.65 ATOM 73 C PRO A 151 41.394 11.482 14.586 1.00 7.19 ATOM 74 O PRO A 151 41.025 11.650 15.746 1.00 8.40 ATOM 75 CB PRO A 151 43.766 11.828 13.798 1.00 7.84 ATOM 76 CG PRO A 151 44.372 12.177 15.127 1.00 6.48 ATOM 77 CD PRO A 151 43.947 13.623 15.333 1.00 5.77 ATOM 78 N ASP A 152 40.969 10.484 13.819 1.00 9.67 ATOM 79 CA ASP A 152 40.065 9.440 14.289 1.00 10.74 ATOM 80 C ASP A 152 38.762 9.895 14.941 1.00 9.53 ATOM 81 O ASP A 152 38.364 9.364 15.979 1.00 10.76 ATOM 82 CB ASP A 152 40.812 8.514 15.248 1.00 15.06 ATOM 83 CG ASP A 152 42.177 8.127 14.736 0.50 18.29 ATOM 84 OD1 ASP A 152 42.304 7.823 13.531 0.50 19.79 ATOM 85 OD2 ASP A 152 43.122 8.124 15.546 0.50 20.95 ATOM 86 N GLN A 153 38.098 10.872 14.336 1.00 8.56 ATOM 87 CA GLN A 153 36.826 11.346 14.863 1.00 7.72 ATOM 88 C GLN A 153 35.721 10.629 14.093 1.00 8.60 ATOM 89 O GLN A 153 35.847 10.395 12.890 1.00 8.21 ATOM 90 CB GLN A 153 36.704 12.862 14.708 1.00 7.40 ATOM 91 CG GLN A 153 37.656 13.634 15.613 1.00 7.07 ATOM 92 CD GLN A 153 37.606 13.147 17.049 1.00 6.94 ATOM 93 OE1 GLN A 153 36.547 13.135 17.679 1.00 9.09 ATOM 94 NE2 GLN A 153 38.754 12.736 17.572 1.00 8.87 ATOM 95 N TYR A 154 34.645 10.281 14.791 1.00 8.10 ATOM 96 CA TYR A 154 33.534 9.554 14.186 1.00 9.02 ATOM 97 C TYR A 154 32.259 10.358 13.963 1.00 8.73 ATOM 98 O TYR A 154 31.843 11.144 14.812 1.00 9.75 ATOM 99 CB TYR A 154 33.173 8.336 15.043 1.00 9.71 ATOM 100 CG TYR A 154 34.221 7.250 15.097 1.00 10.95 ATOM 101 CD1 TYR A 154 35.453 7.464 15.715 1.00 12.24 ATOM 102 CD2 TYR A 154 33.975 5.997 14.536 1.00 10.05 ATOM 103 CE1 TYR A 154 36.413 6.454 15.773 1.00 13.67 ATOM 104 CE2 TYR A 154 34.923 4.984 14.590 1.00 11.96 ATOM 105 CZ TYR A 154 36.140 5.217 15.207 1.00 13.11 ATOM 106 OH TYR A 154 37.082 4.215 15.251 1.00 16.77 ATOM 107 N GLY A 155 31.633 10.136 12.813 1.00 8.70 ATOM 108 CA GLY A 155 30.381 10.802 12.507 1.00 9.73 ATOM 109 C GLY A 155 30.371 12.302 12.294 1.00 9.95 ATOM 110 O GLY A 155 31.290 12.870 11.702 1.00 9.10 ATOM 111 N ASP A 156 29.317 12.944 12.794 1.00 10.10 ATOM 112 CA ASP A 156 29.127 14.381 12.630 1.00 10.43 ATOM 113 C ASP A 156 29.648 15.279 13.746 1.00 9.65 ATOM 114 O ASP A 156 29.245 16.438 13.835 1.00 10.43 ATOM 115 CB ASP A 156 27.638 14.689 12.419 1.00 12.22 ATOM 116 CG ASP A 156 26.781 14.327 13.626 1.00 15.26 ATOM 117 OD1 ASP A 156 27.311 14.273 14.756 1.00 14.31 ATOM 118 OD2 ASP A 156 25.562 14.113 13.446 1.00 16.69 ATOM 119 N ASN A 157 30.537 14.774 14.592 1.00 8.91 ATOM 120 CA ASN A 157 31.041 15.608 15.674 1.00 8.82 ATOM 121 C ASN A 157 32.425 15.199 16.145 1.00 8.71 ATOM 122 O ASN A 157 32.798 14.028 16.084 1.00 9.66 ATOM 123 CB ASN A 157 30.060 15.579 16.852 1.00 9.95 ATOM 124 CG ASN A 157 30.022 14.235 17.547 1.00 9.75 ATOM 125 OD1 ASN A 157 30.776 13.986 18.487 1.00 13.10 ATOM 126 ND2 ASN A 157 29.149 13.352 17.077 1.00 13.48 ATOM 127 N CYS A 158 33.178 16.188 16.612 1.00 8.52 ATOM 128 CA CYS A 158 34.528 15.977 17.107 1.00 8.31 ATOM 129 C CYS A 158 34.513 15.923 18.628 1.00 8.90 ATOM 130 O CYS A 158 33.978 16.819 19.282 1.00 9.31 ATOM 131 CB CYS A 158 35.436 17.114 16.643 1.00 8.47 ATOM 132 SG CYS A 158 37.124 16.985 17.256 1.00 6.70 ATOM 133 N GLU A 159 35.107 14.876 19.188 1.00 7.57 ATOM 134 CA GLU A 159 35.134 14.718 20.633 1.00 9.49 ATOM 135 C GLU A 159 36.301 15.424 21.312 1.00 9.41 ATOM 136 O GLU A 159 36.506 15.275 22.517 1.00 9.72 ATOM 137 CB GLU A 159 35.100 13.230 20.994 1.00 10.09 ATOM 138 CG GLU A 159 33.764 12.591 20.632 1.00 12.99 ATOM 139 CD GLU A 159 33.675 11.121 20.983 1.00 15.98 ATOM 140 OE1 GLU A 159 32.610 10.523 20.720 1.00 18.94 ATOM 141 OE2 GLU A 159 34.658 10.564 21.515 1.00 18.64 ATOM 142 N VAL A 160 37.068 16.196 20.546 1.00 8.86 ATOM 143 CA VAL A 160 38.167 16.941 21.142 1.00 9.21 ATOM 144 C VAL A 160 37.796 18.424 21.206 1.00 9.86 ATOM 145 O VAL A 160 37.792 19.005 22.288 1.00 9.44 ATOM 146 CB VAL A 160 39.511 16.758 20.377 1.00 9.92 ATOM 147 CG1 VAL A 160 39.841 15.280 20.248 1.00 10.38 ATOM 148 CG2 VAL A 160 39.452 17.417 19.039 1.00 14.92 ATOM 149 N CYS A 161 37.449 19.030 20.070 1.00 8.28 ATOM 150 CA CYS A 161 37.087 20.450 20.065 1.00 8.57 ATOM 151 C CYS A 161 35.583 20.683 20.179 1.00 9.02 ATOM 152 O CYS A 161 35.143 21.813 20.385 1.00 10.19 ATOM 153 CB CYS A 161 37.622 21.150 18.808 1.00 6.28 ATOM 154 SG CYS A 161 36.679 20.880 17.282 1.00 7.11 ATOM 155 N GLY A 162 34.799 19.619 20.032 1.00 8.51 ATOM 156 CA GLY A 162 33.356 19.738 20.154 1.00 9.79 ATOM 157 C GLY A 162 32.590 20.220 18.936 1.00 10.50 ATOM 158 O GLY A 162 31.367 20.371 18.992 1.00 12.53 ATOM 159 N ALA A 163 33.293 20.458 17.835 1.00 10.35 ATOM 160 CA ALA A 163 32.652 20.926 16.611 1.00 9.80 ATOM 161 C ALA A 163 31.684 19.894 16.033 1.00 10.07 ATOM 162 O ALA A 163 31.845 18.690 16.237 1.00 9.91 ATOM 163 CB ALA A 163 33.713 21.276 15.572 1.00 10.46 ATOM 164 N THR A 164 30.669 20.381 15.325 1.00 11.34 ATOM 165 CA THR A 164 29.688 19.516 14.678 1.00 11.89 ATOM 166 C THR A 164 29.721 19.864 13.198 1.00 11.62 ATOM 167 O THR A 164 29.900 21.024 12.826 1.00 11.78 ATOM 168 CB THR A 164 28.265 19.731 15.233 1.00 13.48 ATOM 169 OG1 THR A 164 27.897 21.107 15.097 1.00 16.92 ATOM 170 CG2 THR A 164 28.205 19.324 16.697 1.00 13.67 ATOM 171 N TYR A 165 29.550 18.855 12.353 1.00 10.46 ATOM 172 CA TYR A 165 29.617 19.053 10.911 1.00 11.42 ATOM 173 C TYR A 165 29.122 17.808 10.199 1.00 11.78 ATOM 174 O TYR A 165 28.946 16.760 10.817 1.00 12.25 ATOM 175 CB TYR A 165 31.075 19.303 10.522 1.00 9.26 ATOM 176 CG TYR A 165 32.027 18.379 11.258 1.00 9.53 ATOM 177 CD1 TYR A 165 32.123 17.027 10.923 1.00 8.84 ATOM 178 CD2 TYR A 165 32.777 18.842 12.337 1.00 8.60 ATOM 179 CE1 TYR A 165 32.941 16.158 11.649 1.00 8.57 ATOM 180 CE2 TYR A 165 33.596 17.984 13.068 1.00 8.02 ATOM 181 CZ TYR A 165 33.673 16.645 12.721 1.00 6.90 ATOM 182 OH TYR A 165 34.474 15.791 13.444 1.00 7.84 ATOM 183 N SER A 166 28.893 17.923 8.897 1.00 12.10 ATOM 184 CA SER A 166 28.464 16.772 8.122 1.00 12.40 ATOM 185 C SER A 166 29.697 15.897 7.949 1.00 11.33 ATOM 186 O SER A 166 30.806 16.409 7.794 1.00 10.87 ATOM 187 CB SER A 166 27.959 17.204 6.747 1.00 13.49 ATOM 188 OG SER A 166 27.750 16.072 5.920 1.00 15.23 ATOM 189 N PRO A 167 29.529 14.566 7.988 1.00 11.59 ATOM 190 CA PRO A 167 30.686 13.683 7.822 1.00 11.13 ATOM 191 C PRO A 167 31.404 13.938 6.494 1.00 10.97 ATOM 192 O PRO A 167 32.568 13.576 6.326 1.00 9.99 ATOM 193 CB PRO A 167 30.067 12.292 7.899 1.00 11.54 ATOM 194 CG PRO A 167 28.924 12.496 8.852 1.00 12.66 ATOM 195 CD PRO A 167 28.329 13.796 8.358 1.00 12.44 ATOM 196 N THR A 168 30.704 14.568 5.555 1.00 10.76 ATOM 197 CA THR A 168 31.291 14.874 4.256 1.00 11.06 ATOM 198 C THR A 168 32.384 15.934 4.395 1.00 10.91 ATOM 199 O THR A 168 33.141 16.184 3.458 1.00 11.74 ATOM 200 CB THR A 168 30.226 15.389 3.260 1.00 12.13 ATOM 201 OG1 THR A 168 29.642 16.599 3.759 1.00 13.29 ATOM 202 CG2 THR A 168 29.132 14.349 3.066 1.00 13.00 ATOM 203 N GLU A 169 32.466 16.550 5.570 1.00 9.95 ATOM 204 CA GLU A 169 33.468 17.581 5.820 1.00 10.39 ATOM 205 C GLU A 169 34.735 17.012 6.454 1.00 8.89 ATOM 206 O GLU A 169 35.744 17.709 6.577 1.00 8.74 ATOM 207 CB GLU A 169 32.880 18.678 6.715 1.00 11.97 ATOM 208 CG GLU A 169 31.701 19.414 6.085 1.00 16.15 ATOM 209 CD GLU A 169 31.126 20.486 6.990 1.00 19.74 ATOM 210 OE1 GLU A 169 31.869 21.425 7.343 1.00 21.74 ATOM 211 OE2 GLU A 169 29.932 20.391 7.350 1.00 21.15 ATOM 212 N LEU A 170 34.683 15.747 6.857 1.00 8.34 ATOM 213 CA LEU A 170 35.844 15.108 7.465 1.00 7.78 ATOM 214 C LEU A 170 37.008 15.045 6.488 1.00 8.04 ATOM 215 O LEU A 170 36.823 14.770 5.299 1.00 8.87 ATOM 216 CB LEU A 170 35.496 13.692 7.926 1.00 6.53 ATOM 217 CG LEU A 170 34.671 13.572 9.206 1.00 5.27 ATOM 218 CD1 LEU A 170 34.088 12.170 9.304 1.00 6.34 ATOM 219 CD2 LEU A 170 35.544 13.893 10.419 1.00 6.26 ATOM 220 ZN ZN A 601 37.768 19.062 16.287 1.00 5.95 TER