HEADER TRANSLATION 31-DEC-69 2QN6 TITLE Structure of an archaeal heterotrimeric initiation factor 2 reveals a TITLE 2 nucleotide state between the GTP and the GDP states COMPND MOL_ID: 1; COMPND 2 MOLECULE: Translation initiation factor 2 gamma subunit; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.15 ANGSTORMS DBREF 2QN6 A 2 415 UNP Q980A5 IF2G_SULSO 2 415 SEQRES 1 A 33 ASN ILE GLY VAL CYS GLU SER CYS LYS LYS PRO GLU ALA SEQRES 2 A 33 TYR VAL THR GLU PRO SER CYS LYS SER CYS GLY SER ASP SEQRES 3 A 33 ASP GLU PRO LYS PHE LEU ARG ATOM 1 N ASN A 55 -30.480 -20.305 -23.511 1.00 37.40 ATOM 2 CA ASN A 55 -31.740 -19.676 -23.160 1.00 38.11 ATOM 3 C ASN A 55 -31.884 -19.859 -21.645 1.00 39.16 ATOM 4 O ASN A 55 -31.247 -20.746 -21.063 1.00 37.92 ATOM 5 CB ASN A 55 -32.902 -20.377 -23.875 1.00 39.52 ATOM 6 CG ASN A 55 -32.932 -20.108 -25.377 1.00 40.94 ATOM 7 OD1 ASN A 55 -33.357 -20.964 -26.152 1.00 43.31 ATOM 8 ND2 ASN A 55 -32.505 -18.914 -25.790 1.00 37.44 ATOM 9 N ILE A 56 -32.706 -19.017 -21.013 1.00 38.88 ATOM 10 CA ILE A 56 -32.951 -19.082 -19.574 1.00 38.99 ATOM 11 C ILE A 56 -34.445 -18.947 -19.294 1.00 40.01 ATOM 12 O ILE A 56 -35.088 -17.985 -19.732 1.00 40.04 ATOM 13 CB ILE A 56 -32.238 -17.946 -18.801 1.00 38.90 ATOM 14 CG1 ILE A 56 -30.735 -17.973 -19.062 1.00 37.30 ATOM 15 CG2 ILE A 56 -32.500 -18.104 -17.303 1.00 40.02 ATOM 16 CD1 ILE A 56 -30.041 -19.219 -18.562 1.00 37.97 ATOM 17 N GLY A 57 -34.991 -19.905 -18.551 1.00 40.89 ATOM 18 CA GLY A 57 -36.406 -19.875 -18.222 1.00 42.26 ATOM 19 C GLY A 57 -36.680 -20.116 -16.744 1.00 44.37 ATOM 20 O GLY A 57 -35.763 -20.401 -15.961 1.00 42.09 ATOM 21 N VAL A 58 -37.948 -20.005 -16.354 1.00 44.17 ATOM 22 CA VAL A 58 -38.313 -20.213 -14.964 1.00 45.47 ATOM 23 C VAL A 58 -39.682 -20.873 -14.828 1.00 47.42 ATOM 24 O VAL A 58 -40.662 -20.419 -15.418 1.00 47.42 ATOM 25 CB VAL A 58 -38.285 -18.869 -14.187 1.00 44.47 ATOM 26 CG1 VAL A 58 -39.378 -17.941 -14.698 1.00 45.73 ATOM 27 CG2 VAL A 58 -38.428 -19.121 -12.698 1.00 43.77 ATOM 28 N CYS A 59 -39.730 -21.953 -14.049 1.00 50.75 ATOM 29 CA CYS A 59 -40.963 -22.710 -13.803 1.00 53.10 ATOM 30 C CYS A 59 -41.805 -21.994 -12.754 1.00 54.61 ATOM 31 O CYS A 59 -41.613 -22.180 -11.556 1.00 55.41 ATOM 32 CB CYS A 59 -40.621 -24.120 -13.319 1.00 51.90 ATOM 33 SG CYS A 59 -39.468 -25.016 -14.407 1.00 55.70 ATOM 34 N GLU A 60 -42.741 -21.178 -13.222 1.00 57.89 ATOM 35 CA GLU A 60 -43.613 -20.388 -12.357 1.00 60.31 ATOM 36 C GLU A 60 -44.317 -21.153 -11.241 1.00 60.73 ATOM 37 O GLU A 60 -44.733 -20.557 -10.250 1.00 62.25 ATOM 38 CB GLU A 60 -44.645 -19.648 -13.217 1.00 62.10 ATOM 39 CG GLU A 60 -44.014 -18.611 -14.153 1.00 65.89 ATOM 40 CD GLU A 60 -44.956 -18.135 -15.249 1.00 67.00 ATOM 41 OE1 GLU A 60 -45.362 -18.966 -16.094 1.00 67.69 ATOM 42 OE2 GLU A 60 -45.284 -16.930 -15.269 1.00 68.63 ATOM 43 N SER A 61 -44.452 -22.465 -11.387 1.00 60.52 ATOM 44 CA SER A 61 -45.117 -23.252 -10.357 1.00 59.50 ATOM 45 C SER A 61 -44.140 -23.715 -9.282 1.00 60.20 ATOM 46 O SER A 61 -44.453 -23.698 -8.084 1.00 60.64 ATOM 47 CB SER A 61 -45.795 -24.473 -10.986 1.00 59.30 ATOM 48 OG SER A 61 -45.393 -25.673 -10.344 1.00 59.38 ATOM 49 N CYS A 62 -42.951 -24.115 -9.716 1.00 58.80 ATOM 50 CA CYS A 62 -41.933 -24.627 -8.813 1.00 58.07 ATOM 51 C CYS A 62 -41.302 -23.623 -7.861 1.00 58.02 ATOM 52 O CYS A 62 -41.656 -22.449 -7.836 1.00 59.59 ATOM 53 CB CYS A 62 -40.844 -25.320 -9.625 1.00 57.19 ATOM 54 SG CYS A 62 -41.532 -26.512 -10.769 1.00 57.20 ATOM 55 N LYS A 63 -40.354 -24.122 -7.077 1.00 58.39 ATOM 56 CA LYS A 63 -39.633 -23.341 -6.083 1.00 57.53 ATOM 57 C LYS A 63 -38.181 -23.160 -6.522 1.00 56.57 ATOM 58 O LYS A 63 -37.658 -23.950 -7.312 1.00 55.01 ATOM 59 CB LYS A 63 -39.697 -24.057 -4.731 1.00 58.50 ATOM 60 CG LYS A 63 -38.970 -25.405 -4.687 1.00 59.73 ATOM 61 CD LYS A 63 -39.349 -26.329 -5.851 1.00 59.38 ATOM 62 CE LYS A 63 -40.830 -26.679 -5.838 1.00 60.93 ATOM 63 NZ LYS A 63 -41.227 -27.449 -7.046 1.00 61.85 ATOM 64 N LYS A 64 -37.532 -22.122 -6.002 1.00 55.24 ATOM 65 CA LYS A 64 -36.152 -21.819 -6.367 1.00 54.05 ATOM 66 C LYS A 64 -35.156 -22.583 -5.505 1.00 53.04 ATOM 67 O LYS A 64 -35.472 -22.972 -4.383 1.00 53.11 ATOM 68 CB LYS A 64 -35.897 -20.314 -6.231 1.00 55.92 ATOM 69 CG LYS A 64 -37.120 -19.439 -6.499 1.00 56.74 ATOM 70 CD LYS A 64 -37.744 -19.737 -7.849 1.00 57.63 ATOM 71 CE LYS A 64 -39.120 -19.101 -7.951 1.00 60.84 ATOM 72 NZ LYS A 64 -40.027 -19.581 -6.860 1.00 60.80 ATOM 73 N PRO A 65 -33.932 -22.807 -6.017 1.00 51.98 ATOM 74 CA PRO A 65 -33.405 -22.402 -7.328 1.00 50.96 ATOM 75 C PRO A 65 -33.901 -23.280 -8.487 1.00 48.76 ATOM 76 O PRO A 65 -33.975 -22.832 -9.630 1.00 47.64 ATOM 77 CB PRO A 65 -31.886 -22.531 -7.149 1.00 52.00 ATOM 78 CG PRO A 65 -31.684 -22.551 -5.657 1.00 52.80 ATOM 79 CD PRO A 65 -32.850 -23.346 -5.180 1.00 51.76 ATOM 80 N GLU A 66 -34.225 -24.530 -8.170 1.00 47.24 ATOM 81 CA GLU A 66 -34.682 -25.526 -9.140 1.00 46.07 ATOM 82 C GLU A 66 -35.630 -25.029 -10.228 1.00 45.23 ATOM 83 O GLU A 66 -35.641 -25.583 -11.325 1.00 45.40 ATOM 84 CB GLU A 66 -35.338 -26.710 -8.408 1.00 48.59 ATOM 85 CG GLU A 66 -34.643 -27.102 -7.096 1.00 50.32 ATOM 86 CD GLU A 66 -35.175 -26.326 -5.906 1.00 51.10 ATOM 87 OE1 GLU A 66 -34.413 -26.084 -4.947 1.00 53.17 ATOM 88 OE2 GLU A 66 -36.367 -25.963 -5.926 1.00 52.48 ATOM 89 N ALA A 67 -36.423 -23.998 -9.938 1.00 43.72 ATOM 90 CA ALA A 67 -37.372 -23.473 -10.922 1.00 43.29 ATOM 91 C ALA A 67 -36.717 -22.909 -12.185 1.00 43.12 ATOM 92 O ALA A 67 -37.368 -22.812 -13.231 1.00 41.32 ATOM 93 CB ALA A 67 -38.258 -22.411 -10.284 1.00 43.27 ATOM 94 N TYR A 68 -35.442 -22.535 -12.092 1.00 41.69 ATOM 95 CA TYR A 68 -34.732 -21.990 -13.247 1.00 41.68 ATOM 96 C TYR A 68 -34.172 -23.092 -14.121 1.00 41.82 ATOM 97 O TYR A 68 -33.522 -24.015 -13.635 1.00 42.36 ATOM 98 CB TYR A 68 -33.603 -21.056 -12.810 1.00 40.53 ATOM 99 CG TYR A 68 -34.121 -19.782 -12.195 1.00 38.51 ATOM 100 CD1 TYR A 68 -34.283 -19.667 -10.815 1.00 38.43 ATOM 101 CD2 TYR A 68 -34.525 -18.719 -12.998 1.00 37.47 ATOM 102 CE1 TYR A 68 -34.839 -18.527 -10.248 1.00 39.82 ATOM 103 CE2 TYR A 68 -35.087 -17.572 -12.443 1.00 39.57 ATOM 104 CZ TYR A 68 -35.243 -17.484 -11.066 1.00 38.86 ATOM 105 OH TYR A 68 -35.819 -16.374 -10.507 1.00 37.24 ATOM 106 N VAL A 69 -34.418 -22.980 -15.422 1.00 42.48 ATOM 107 CA VAL A 69 -33.964 -23.988 -16.364 1.00 42.88 ATOM 108 C VAL A 69 -33.328 -23.404 -17.624 1.00 44.49 ATOM 109 O VAL A 69 -33.426 -22.202 -17.891 1.00 45.64 ATOM 110 CB VAL A 69 -35.140 -24.891 -16.762 1.00 42.40 ATOM 111 CG1 VAL A 69 -35.612 -25.682 -15.549 1.00 40.06 ATOM 112 CG2 VAL A 69 -36.283 -24.038 -17.308 1.00 41.84 ATOM 113 N THR A 70 -32.677 -24.267 -18.396 1.00 44.25 ATOM 114 CA THR A 70 -32.018 -23.855 -19.627 1.00 46.38 ATOM 115 C THR A 70 -32.702 -24.443 -20.863 1.00 47.75 ATOM 116 O THR A 70 -32.193 -24.338 -21.980 1.00 48.33 ATOM 117 CB THR A 70 -30.544 -24.277 -19.620 1.00 45.95 ATOM 118 OG1 THR A 70 -30.457 -25.707 -19.570 1.00 46.88 ATOM 119 CG2 THR A 70 -29.835 -23.680 -18.415 1.00 42.65 ATOM 120 N GLU A 71 -33.858 -25.064 -20.657 1.00 49.42 ATOM 121 CA GLU A 71 -34.620 -25.649 -21.754 1.00 52.32 ATOM 122 C GLU A 71 -36.098 -25.746 -21.396 1.00 52.03 ATOM 123 O GLU A 71 -36.450 -25.821 -20.223 1.00 51.96 ATOM 124 CB GLU A 71 -34.054 -27.019 -22.131 1.00 54.74 ATOM 125 CG GLU A 71 -33.704 -27.909 -20.966 1.00 58.45 ATOM 126 CD GLU A 71 -33.055 -29.200 -21.423 1.00 61.15 ATOM 127 OE1 GLU A 71 -33.753 -30.041 -22.033 1.00 62.17 ATOM 128 OE2 GLU A 71 -31.840 -29.367 -21.182 1.00 62.39 ATOM 129 N PRO A 72 -36.981 -25.739 -22.412 1.00 53.71 ATOM 130 CA PRO A 72 -38.448 -25.810 -22.298 1.00 55.14 ATOM 131 C PRO A 72 -39.011 -27.027 -21.548 1.00 56.36 ATOM 132 O PRO A 72 -39.809 -27.787 -22.099 1.00 56.26 ATOM 133 CB PRO A 72 -38.912 -25.791 -23.758 1.00 54.74 ATOM 134 CG PRO A 72 -37.770 -25.174 -24.499 1.00 54.39 ATOM 135 CD PRO A 72 -36.576 -25.771 -23.827 1.00 52.96 ATOM 136 N SER A 73 -38.610 -27.201 -20.295 1.00 58.02 ATOM 137 CA SER A 73 -39.083 -28.330 -19.500 1.00 59.67 ATOM 138 C SER A 73 -39.023 -28.057 -18.000 1.00 60.45 ATOM 139 O SER A 73 -38.022 -27.550 -17.489 1.00 60.68 ATOM 140 CB SER A 73 -38.253 -29.574 -19.821 1.00 59.34 ATOM 141 OG SER A 73 -38.613 -30.650 -18.972 1.00 60.86 ATOM 142 N CYS A 74 -40.099 -28.402 -17.296 1.00 61.17 ATOM 143 CA CYS A 74 -40.164 -28.199 -15.852 1.00 61.34 ATOM 144 C CYS A 74 -40.154 -29.528 -15.105 1.00 62.33 ATOM 145 O CYS A 74 -40.511 -29.588 -13.929 1.00 61.27 ATOM 146 CB CYS A 74 -41.425 -27.421 -15.479 1.00 59.90 ATOM 147 SG CYS A 74 -41.512 -25.774 -16.189 1.00 58.01 ATOM 148 N LYS A 75 -39.751 -30.593 -15.791 1.00 64.28 ATOM 149 CA LYS A 75 -39.702 -31.910 -15.170 1.00 67.02 ATOM 150 C LYS A 75 -38.542 -31.974 -14.187 1.00 67.84 ATOM 151 O LYS A 75 -38.612 -32.652 -13.161 1.00 68.84 ATOM 152 CB LYS A 75 -39.555 -32.997 -16.240 1.00 67.07 ATOM 153 CG LYS A 75 -38.362 -32.815 -17.166 1.00 70.17 ATOM 154 CD LYS A 75 -37.044 -33.240 -16.525 1.00 70.79 ATOM 155 CE LYS A 75 -35.853 -32.796 -17.372 1.00 71.71 ATOM 156 NZ LYS A 75 -35.920 -33.302 -18.776 1.00 71.47 ATOM 157 N SER A 76 -37.480 -31.244 -14.506 1.00 69.14 ATOM 158 CA SER A 76 -36.283 -31.194 -13.675 1.00 69.44 ATOM 159 C SER A 76 -36.582 -30.787 -12.232 1.00 70.05 ATOM 160 O SER A 76 -35.745 -30.967 -11.350 1.00 70.97 ATOM 161 CB SER A 76 -35.280 -30.213 -14.284 1.00 69.43 ATOM 162 OG SER A 76 -35.877 -28.940 -14.477 1.00 68.28 ATOM 163 N CYS A 77 -37.770 -30.233 -11.996 1.00 69.95 ATOM 164 CA CYS A 77 -38.165 -29.807 -10.656 1.00 68.97 ATOM 165 C CYS A 77 -39.604 -30.192 -10.300 1.00 68.26 ATOM 166 O CYS A 77 -40.250 -29.533 -9.484 1.00 66.68 ATOM 167 CB CYS A 77 -37.974 -28.292 -10.500 1.00 69.89 ATOM 168 SG CYS A 77 -38.874 -27.278 -11.693 1.00 70.83 ATOM 169 N GLY A 78 -40.100 -31.257 -10.924 1.00 67.70 ATOM 170 CA GLY A 78 -41.441 -31.736 -10.637 1.00 67.16 ATOM 171 C GLY A 78 -42.613 -30.869 -11.063 1.00 67.21 ATOM 172 O GLY A 78 -43.397 -30.416 -10.226 1.00 66.95 ATOM 173 N SER A 79 -42.737 -30.644 -12.368 1.00 66.32 ATOM 174 CA SER A 79 -43.826 -29.852 -12.916 1.00 64.40 ATOM 175 C SER A 79 -43.950 -30.145 -14.396 1.00 64.38 ATOM 176 O SER A 79 -42.991 -30.580 -15.037 1.00 63.72 ATOM 177 CB SER A 79 -43.580 -28.358 -12.709 1.00 64.95 ATOM 178 OG SER A 79 -44.622 -27.589 -13.294 1.00 64.84 ATOM 179 N ASP A 80 -45.136 -29.904 -14.939 1.00 64.70 ATOM 180 CA ASP A 80 -45.375 -30.152 -16.350 1.00 65.15 ATOM 181 C ASP A 80 -45.795 -28.909 -17.112 1.00 63.72 ATOM 182 O ASP A 80 -46.137 -28.985 -18.295 1.00 62.47 ATOM 183 CB ASP A 80 -46.426 -31.239 -16.514 1.00 67.54 ATOM 184 CG ASP A 80 -45.908 -32.420 -17.295 1.00 69.66 ATOM 185 OD1 ASP A 80 -45.700 -32.282 -18.522 1.00 71.41 ATOM 186 OD2 ASP A 80 -45.692 -33.483 -16.675 1.00 69.64 ATOM 187 N ASP A 81 -45.761 -27.769 -16.429 1.00 62.89 ATOM 188 CA ASP A 81 -46.121 -26.498 -17.043 1.00 62.14 ATOM 189 C ASP A 81 -44.990 -26.057 -17.975 1.00 60.84 ATOM 190 O ASP A 81 -43.840 -26.460 -17.805 1.00 59.18 ATOM 191 CB ASP A 81 -46.335 -25.434 -15.960 1.00 62.16 ATOM 192 CG ASP A 81 -47.029 -24.185 -16.492 1.00 62.94 ATOM 193 OD1 ASP A 81 -47.122 -24.038 -17.728 1.00 60.94 ATOM 194 OD2 ASP A 81 -47.476 -23.350 -15.673 1.00 62.71 ATOM 195 N GLU A 82 -45.325 -25.256 -18.981 1.00 60.67 ATOM 196 CA GLU A 82 -44.318 -24.732 -19.905 1.00 60.69 ATOM 197 C GLU A 82 -43.582 -23.656 -19.099 1.00 58.14 ATOM 198 O GLU A 82 -44.204 -22.724 -18.576 1.00 58.05 ATOM 199 CB GLU A 82 -44.980 -24.071 -21.120 1.00 64.19 ATOM 200 CG GLU A 82 -45.605 -24.998 -22.168 1.00 69.84 ATOM 201 CD GLU A 82 -46.454 -24.231 -23.201 1.00 73.01 ATOM 202 OE1 GLU A 82 -46.155 -23.047 -23.476 1.00 73.80 ATOM 203 OE2 GLU A 82 -47.414 -24.816 -23.748 1.00 73.67 ATOM 204 N PRO A 83 -42.253 -23.769 -18.971 1.00 54.16 ATOM 205 CA PRO A 83 -41.569 -22.729 -18.197 1.00 51.45 ATOM 206 C PRO A 83 -41.643 -21.386 -18.929 1.00 48.84 ATOM 207 O PRO A 83 -41.802 -21.345 -20.149 1.00 47.00 ATOM 208 CB PRO A 83 -40.143 -23.264 -18.083 1.00 50.99 ATOM 209 CG PRO A 83 -39.987 -24.090 -19.318 1.00 51.94 ATOM 210 CD PRO A 83 -41.310 -24.785 -19.463 1.00 51.91 ATOM 211 N LYS A 84 -41.537 -20.291 -18.186 1.00 47.44 ATOM 212 CA LYS A 84 -41.584 -18.966 -18.790 1.00 46.66 ATOM 213 C LYS A 84 -40.202 -18.567 -19.316 1.00 44.76 ATOM 214 O LYS A 84 -39.210 -18.611 -18.579 1.00 44.00 ATOM 215 CB LYS A 84 -42.046 -17.927 -17.765 1.00 47.75 ATOM 216 CG LYS A 84 -42.520 -16.624 -18.401 1.00 52.25 ATOM 217 CD LYS A 84 -42.776 -15.529 -17.369 1.00 54.88 ATOM 218 CE LYS A 84 -41.477 -14.921 -16.873 1.00 56.91 ATOM 219 NZ LYS A 84 -41.688 -13.589 -16.239 1.00 58.15 ATOM 220 N PHE A 85 -40.139 -18.189 -20.590 1.00 40.60 ATOM 221 CA PHE A 85 -38.878 -17.770 -21.177 1.00 38.92 ATOM 222 C PHE A 85 -38.447 -16.443 -20.568 1.00 38.59 ATOM 223 O PHE A 85 -39.271 -15.541 -20.410 1.00 39.24 ATOM 224 CB PHE A 85 -39.004 -17.591 -22.686 1.00 37.02 ATOM 225 CG PHE A 85 -37.733 -17.123 -23.331 1.00 36.56 ATOM 226 CD1 PHE A 85 -36.607 -17.945 -23.349 1.00 34.98 ATOM 227 CD2 PHE A 85 -37.638 -15.844 -23.871 1.00 33.41 ATOM 228 CE1 PHE A 85 -35.406 -17.492 -23.894 1.00 34.41 ATOM 229 CE2 PHE A 85 -36.442 -15.388 -24.417 1.00 32.08 ATOM 230 CZ PHE A 85 -35.325 -16.213 -24.428 1.00 31.70 ATOM 231 N LEU A 86 -37.167 -16.321 -20.220 1.00 36.55 ATOM 232 CA LEU A 86 -36.668 -15.081 -19.636 1.00 34.93 ATOM 233 C LEU A 86 -35.829 -14.318 -20.646 1.00 34.41 ATOM 234 O LEU A 86 -36.188 -13.220 -21.069 1.00 35.93 ATOM 235 CB LEU A 86 -35.836 -15.369 -18.381 1.00 34.26 ATOM 236 CG LEU A 86 -36.575 -16.017 -17.202 1.00 33.13 ATOM 237 CD1 LEU A 86 -35.597 -16.246 -16.067 1.00 32.24 ATOM 238 CD2 LEU A 86 -37.731 -15.147 -16.739 1.00 32.28 ATOM 239 N ARG A 87 -34.709 -14.906 -21.035 1.00 32.16 ATOM 240 CA ARG A 87 -33.828 -14.291 -22.009 1.00 32.09 ATOM 241 C ARG A 87 -32.772 -15.279 -22.461 1.00 33.12 ATOM 242 O ARG A 87 -32.679 -16.393 -21.933 1.00 30.85 ATOM 243 CB ARG A 87 -33.139 -13.060 -21.420 1.00 31.67 ATOM 244 CG ARG A 87 -32.515 -13.307 -20.066 1.00 29.51 ATOM 245 CD ARG A 87 -31.568 -12.188 -19.643 1.00 28.14 ATOM 246 NE ARG A 87 -30.924 -12.564 -18.389 1.00 29.79 ATOM 247 CZ ARG A 87 -29.936 -11.904 -17.797 1.00 29.59 ATOM 248 NH1 ARG A 87 -29.438 -10.795 -18.334 1.00 27.27 ATOM 249 NH2 ARG A 87 -29.450 -12.367 -16.655 1.00 27.46 TER