HEADER TRANSLATION 31-DEC-69 2QMU 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. 3.20 ANGSTORMS DBREF 2QMU 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 -51.095 32.461 51.206 1.00 52.60 ATOM 2 CA ASN A 55 -52.433 31.923 50.978 1.00 51.61 ATOM 3 C ASN A 55 -53.367 32.656 51.936 1.00 52.29 ATOM 4 O ASN A 55 -52.928 33.205 52.943 1.00 52.85 ATOM 5 CB ASN A 55 -52.480 30.418 51.242 1.00 49.36 ATOM 6 CG ASN A 55 -51.886 29.607 50.108 1.00 48.70 ATOM 7 OD1 ASN A 55 -52.248 29.785 48.947 1.00 48.21 ATOM 8 ND2 ASN A 55 -50.979 28.701 50.441 1.00 48.80 ATOM 9 N ILE A 56 -54.651 32.688 51.623 1.00 53.58 ATOM 10 CA ILE A 56 -55.603 33.367 52.491 1.00 54.52 ATOM 11 C ILE A 56 -56.813 32.481 52.780 1.00 57.11 ATOM 12 O ILE A 56 -57.655 32.264 51.911 1.00 58.02 ATOM 13 CB ILE A 56 -56.069 34.692 51.857 1.00 52.36 ATOM 14 CG1 ILE A 56 -54.886 35.645 51.747 1.00 52.32 ATOM 15 CG2 ILE A 56 -57.149 35.334 52.691 1.00 50.69 ATOM 16 CD1 ILE A 56 -54.365 36.106 53.072 1.00 52.37 ATOM 17 N GLY A 57 -56.881 31.953 53.998 1.00 58.80 ATOM 18 CA GLY A 57 -58.004 31.120 54.375 1.00 60.73 ATOM 19 C GLY A 57 -58.942 31.881 55.298 1.00 62.93 ATOM 20 O GLY A 57 -58.806 33.098 55.483 1.00 62.15 ATOM 21 N VAL A 58 -59.913 31.167 55.862 1.00 65.39 ATOM 22 CA VAL A 58 -60.868 31.755 56.803 1.00 66.94 ATOM 23 C VAL A 58 -61.560 30.656 57.598 1.00 68.82 ATOM 24 O VAL A 58 -61.869 29.589 57.063 1.00 68.59 ATOM 25 CB VAL A 58 -61.949 32.606 56.106 1.00 64.80 ATOM 26 CG1 VAL A 58 -62.928 31.714 55.382 1.00 64.31 ATOM 27 CG2 VAL A 58 -62.663 33.457 57.130 1.00 62.90 ATOM 28 N CYS A 59 -61.779 30.925 58.882 1.00 71.23 ATOM 29 CA CYS A 59 -62.435 29.986 59.782 1.00 73.61 ATOM 30 C CYS A 59 -63.802 30.562 60.039 1.00 74.87 ATOM 31 O CYS A 59 -63.954 31.530 60.788 1.00 73.76 ATOM 32 CB CYS A 59 -61.675 29.895 61.093 1.00 73.90 ATOM 33 SG CYS A 59 -59.968 30.381 60.899 1.00 76.71 ATOM 34 N GLU A 60 -64.796 29.966 59.396 1.00 77.38 ATOM 35 CA GLU A 60 -66.162 30.424 59.529 1.00 80.13 ATOM 36 C GLU A 60 -66.693 30.048 60.911 1.00 81.69 ATOM 37 O GLU A 60 -67.868 30.252 61.219 1.00 82.54 ATOM 38 CB GLU A 60 -66.988 29.830 58.388 1.00 80.31 ATOM 39 CG GLU A 60 -66.450 30.289 57.029 1.00 81.24 ATOM 40 CD GLU A 60 -66.815 29.374 55.869 1.00 82.50 ATOM 41 OE1 GLU A 60 -66.479 28.168 55.916 1.00 82.29 ATOM 42 OE2 GLU A 60 -67.430 29.872 54.898 1.00 82.73 ATOM 43 N SER A 61 -65.796 29.521 61.746 1.00 82.28 ATOM 44 CA SER A 61 -66.123 29.134 63.114 1.00 82.09 ATOM 45 C SER A 61 -65.739 30.246 64.090 1.00 82.07 ATOM 46 O SER A 61 -66.179 30.248 65.237 1.00 83.00 ATOM 47 CB SER A 61 -65.378 27.854 63.495 1.00 82.29 ATOM 48 OG SER A 61 -65.757 26.789 62.647 1.00 84.45 ATOM 49 N CYS A 62 -64.914 31.188 63.639 1.00 81.10 ATOM 50 CA CYS A 62 -64.488 32.292 64.489 1.00 79.32 ATOM 51 C CYS A 62 -65.081 33.602 64.027 1.00 79.31 ATOM 52 O CYS A 62 -65.777 33.656 63.010 1.00 79.29 ATOM 53 CB CYS A 62 -62.968 32.402 64.501 1.00 78.54 ATOM 54 SG CYS A 62 -62.178 30.985 65.233 1.00 76.66 ATOM 55 N LYS A 63 -64.792 34.660 64.778 1.00 79.12 ATOM 56 CA LYS A 63 -65.293 35.991 64.461 1.00 79.05 ATOM 57 C LYS A 63 -64.243 36.846 63.769 1.00 78.63 ATOM 58 O LYS A 63 -63.041 36.600 63.891 1.00 78.53 ATOM 59 CB LYS A 63 -65.768 36.680 65.740 1.00 79.58 ATOM 60 CG LYS A 63 -64.906 36.368 66.959 1.00 80.34 ATOM 61 CD LYS A 63 -65.585 36.829 68.238 1.00 80.64 ATOM 62 CE LYS A 63 -66.965 36.199 68.394 1.00 80.22 ATOM 63 NZ LYS A 63 -67.653 36.665 69.628 1.00 81.75 ATOM 64 N LYS A 64 -64.708 37.844 63.029 1.00 77.83 ATOM 65 CA LYS A 64 -63.813 38.752 62.320 1.00 76.35 ATOM 66 C LYS A 64 -63.173 39.674 63.364 1.00 75.13 ATOM 67 O LYS A 64 -63.784 39.989 64.387 1.00 75.53 ATOM 68 CB LYS A 64 -64.594 39.592 61.310 1.00 76.32 ATOM 69 CG LYS A 64 -65.601 38.840 60.450 1.00 75.64 ATOM 70 CD LYS A 64 -65.010 38.295 59.165 1.00 74.57 ATOM 71 CE LYS A 64 -66.129 38.027 58.166 1.00 75.08 ATOM 72 NZ LYS A 64 -65.670 37.437 56.886 1.00 75.88 ATOM 73 N PRO A 65 -61.940 40.141 63.107 1.00 73.19 ATOM 74 CA PRO A 65 -61.117 39.800 61.943 1.00 71.28 ATOM 75 C PRO A 65 -60.213 38.653 62.333 1.00 69.79 ATOM 76 O PRO A 65 -59.548 38.033 61.503 1.00 67.95 ATOM 77 CB PRO A 65 -60.339 41.097 61.696 1.00 72.00 ATOM 78 CG PRO A 65 -61.160 42.157 62.384 1.00 72.01 ATOM 79 CD PRO A 65 -61.536 41.439 63.643 1.00 73.43 ATOM 80 N GLU A 66 -60.220 38.376 63.630 1.00 70.02 ATOM 81 CA GLU A 66 -59.434 37.310 64.245 1.00 71.04 ATOM 82 C GLU A 66 -59.726 35.990 63.549 1.00 70.22 ATOM 83 O GLU A 66 -59.191 34.942 63.923 1.00 70.83 ATOM 84 CB GLU A 66 -59.822 37.214 65.720 1.00 72.42 ATOM 85 CG GLU A 66 -60.300 38.556 66.272 1.00 76.42 ATOM 86 CD GLU A 66 -61.131 38.439 67.535 1.00 78.76 ATOM 87 OE1 GLU A 66 -61.769 39.449 67.914 1.00 80.06 ATOM 88 OE2 GLU A 66 -61.144 37.347 68.148 1.00 79.78 ATOM 89 N ALA A 67 -60.582 36.060 62.533 1.00 68.70 ATOM 90 CA ALA A 67 -61.008 34.899 61.757 1.00 66.00 ATOM 91 C ALA A 67 -60.018 34.411 60.694 1.00 64.19 ATOM 92 O ALA A 67 -59.659 33.232 60.680 1.00 62.03 ATOM 93 CB ALA A 67 -62.365 35.203 61.098 1.00 65.81 ATOM 94 N TYR A 68 -59.578 35.318 59.818 1.00 62.33 ATOM 95 CA TYR A 68 -58.669 34.979 58.723 1.00 60.15 ATOM 96 C TYR A 68 -57.298 34.457 59.093 1.00 60.13 ATOM 97 O TYR A 68 -56.650 34.972 59.995 1.00 60.64 ATOM 98 CB TYR A 68 -58.485 36.174 57.830 1.00 57.70 ATOM 99 CG TYR A 68 -59.765 36.791 57.354 1.00 57.29 ATOM 100 CD1 TYR A 68 -60.322 37.877 58.023 1.00 56.51 ATOM 101 CD2 TYR A 68 -60.358 36.371 56.164 1.00 56.98 ATOM 102 CE1 TYR A 68 -61.424 38.547 57.506 1.00 55.88 ATOM 103 CE2 TYR A 68 -61.462 37.032 55.639 1.00 55.70 ATOM 104 CZ TYR A 68 -61.984 38.124 56.309 1.00 55.92 ATOM 105 OH TYR A 68 -63.017 38.838 55.743 1.00 56.19 ATOM 106 N VAL A 69 -56.846 33.447 58.360 1.00 60.27 ATOM 107 CA VAL A 69 -55.547 32.830 58.615 1.00 61.39 ATOM 108 C VAL A 69 -54.662 32.907 57.378 1.00 61.97 ATOM 109 O VAL A 69 -55.082 33.402 56.336 1.00 62.71 ATOM 110 CB VAL A 69 -55.697 31.334 59.036 1.00 61.75 ATOM 111 CG1 VAL A 69 -57.040 31.117 59.704 1.00 62.12 ATOM 112 CG2 VAL A 69 -55.555 30.414 57.837 1.00 61.35 ATOM 113 N THR A 70 -53.442 32.400 57.498 1.00 61.60 ATOM 114 CA THR A 70 -52.492 32.428 56.398 1.00 60.40 ATOM 115 C THR A 70 -51.937 31.036 56.183 1.00 61.37 ATOM 116 O THR A 70 -51.279 30.765 55.182 1.00 61.25 ATOM 117 CB THR A 70 -51.352 33.415 56.711 1.00 59.35 ATOM 118 OG1 THR A 70 -51.819 34.757 56.512 1.00 57.54 ATOM 119 CG2 THR A 70 -50.154 33.156 55.834 1.00 60.12 ATOM 120 N GLU A 71 -52.221 30.150 57.133 1.00 63.17 ATOM 121 CA GLU A 71 -51.757 28.765 57.073 1.00 64.26 ATOM 122 C GLU A 71 -52.962 27.832 57.197 1.00 64.44 ATOM 123 O GLU A 71 -54.054 28.262 57.561 1.00 63.48 ATOM 124 CB GLU A 71 -50.752 28.497 58.210 1.00 65.20 ATOM 125 CG GLU A 71 -51.348 28.602 59.624 1.00 67.66 ATOM 126 CD GLU A 71 -50.305 28.548 60.747 1.00 69.46 ATOM 127 OE1 GLU A 71 -49.236 27.919 60.558 1.00 70.92 ATOM 128 OE2 GLU A 71 -50.573 29.120 61.832 1.00 68.74 ATOM 129 N PRO A 72 -52.783 26.542 56.879 1.00 65.55 ATOM 130 CA PRO A 72 -53.905 25.603 56.984 1.00 65.48 ATOM 131 C PRO A 72 -54.522 25.630 58.378 1.00 65.32 ATOM 132 O PRO A 72 -55.740 25.576 58.525 1.00 66.69 ATOM 133 CB PRO A 72 -53.259 24.254 56.682 1.00 65.88 ATOM 134 CG PRO A 72 -52.175 24.618 55.714 1.00 66.86 ATOM 135 CD PRO A 72 -51.585 25.872 56.342 1.00 66.65 ATOM 136 N SER A 73 -53.668 25.724 59.396 1.00 64.38 ATOM 137 CA SER A 73 -54.105 25.743 60.791 1.00 62.97 ATOM 138 C SER A 73 -55.180 26.764 61.121 1.00 60.88 ATOM 139 O SER A 73 -55.563 27.588 60.295 1.00 59.32 ATOM 140 CB SER A 73 -52.910 25.956 61.725 1.00 64.90 ATOM 141 OG SER A 73 -51.927 24.949 61.542 1.00 67.34 ATOM 142 N CYS A 74 -55.647 26.708 62.358 1.00 60.33 ATOM 143 CA CYS A 74 -56.709 27.588 62.800 1.00 60.37 ATOM 144 C CYS A 74 -56.611 27.847 64.307 1.00 62.30 ATOM 145 O CYS A 74 -57.575 28.277 64.945 1.00 61.05 ATOM 146 CB CYS A 74 -58.042 26.934 62.452 1.00 57.93 ATOM 147 SG CYS A 74 -59.249 28.059 61.827 1.00 49.59 ATOM 148 N LYS A 75 -55.438 27.567 64.866 1.00 64.63 ATOM 149 CA LYS A 75 -55.172 27.774 66.285 1.00 67.10 ATOM 150 C LYS A 75 -55.263 29.263 66.557 1.00 68.90 ATOM 151 O LYS A 75 -55.758 29.694 67.600 1.00 69.02 ATOM 152 CB LYS A 75 -53.766 27.280 66.616 1.00 67.34 ATOM 153 CG LYS A 75 -52.710 27.828 65.672 1.00 68.67 ATOM 154 CD LYS A 75 -51.405 27.039 65.738 1.00 69.98 ATOM 155 CE LYS A 75 -50.433 27.494 64.643 1.00 70.36 ATOM 156 NZ LYS A 75 -49.191 26.670 64.592 1.00 69.98 ATOM 157 N SER A 76 -54.779 30.034 65.585 1.00 71.39 ATOM 158 CA SER A 76 -54.758 31.497 65.622 1.00 72.85 ATOM 159 C SER A 76 -56.096 32.171 65.943 1.00 73.59 ATOM 160 O SER A 76 -56.194 33.398 65.940 1.00 73.62 ATOM 161 CB SER A 76 -54.218 32.025 64.283 1.00 72.55 ATOM 162 OG SER A 76 -54.551 31.154 63.210 1.00 71.85 ATOM 163 N CYS A 77 -57.118 31.369 66.224 1.00 74.67 ATOM 164 CA CYS A 77 -58.435 31.896 66.549 1.00 75.72 ATOM 165 C CYS A 77 -59.090 31.105 67.684 1.00 75.98 ATOM 166 O CYS A 77 -60.245 31.355 68.033 1.00 76.08 ATOM 167 CB CYS A 77 -59.323 31.883 65.301 1.00 76.23 ATOM 168 SG CYS A 77 -59.419 30.274 64.454 1.00 79.11 ATOM 169 N GLY A 78 -58.339 30.164 68.258 1.00 75.89 ATOM 170 CA GLY A 78 -58.845 29.347 69.352 1.00 76.59 ATOM 171 C GLY A 78 -59.902 28.352 68.907 1.00 78.37 ATOM 172 O GLY A 78 -60.912 28.166 69.587 1.00 78.55 ATOM 173 N SER A 79 -59.659 27.702 67.769 1.00 79.63 ATOM 174 CA SER A 79 -60.590 26.730 67.188 1.00 79.58 ATOM 175 C SER A 79 -59.857 25.643 66.414 1.00 80.38 ATOM 176 O SER A 79 -58.632 25.548 66.469 1.00 79.32 ATOM 177 CB SER A 79 -61.565 27.458 66.251 1.00 78.99 ATOM 178 OG SER A 79 -62.272 26.565 65.406 1.00 77.35 ATOM 179 N ASP A 80 -60.613 24.817 65.699 1.00 82.60 ATOM 180 CA ASP A 80 -60.011 23.761 64.899 1.00 85.08 ATOM 181 C ASP A 80 -60.752 23.450 63.600 1.00 85.32 ATOM 182 O ASP A 80 -60.166 22.885 62.674 1.00 84.94 ATOM 183 CB ASP A 80 -59.863 22.478 65.708 1.00 86.74 ATOM 184 CG ASP A 80 -58.611 21.707 65.323 1.00 88.89 ATOM 185 OD1 ASP A 80 -58.349 21.542 64.108 1.00 88.60 ATOM 186 OD2 ASP A 80 -57.886 21.271 66.239 1.00 90.93 ATOM 187 N ASP A 81 -62.034 23.800 63.529 1.00 86.10 ATOM 188 CA ASP A 81 -62.809 23.555 62.311 1.00 87.34 ATOM 189 C ASP A 81 -61.975 24.178 61.194 1.00 86.57 ATOM 190 O ASP A 81 -61.830 25.398 61.146 1.00 87.73 ATOM 191 CB ASP A 81 -64.187 24.245 62.396 1.00 89.49 ATOM 192 CG ASP A 81 -65.130 23.866 61.236 1.00 91.35 ATOM 193 OD1 ASP A 81 -66.145 24.576 61.032 1.00 91.16 ATOM 194 OD2 ASP A 81 -64.872 22.859 60.535 1.00 92.64 ATOM 195 N GLU A 82 -61.416 23.345 60.315 1.00 84.75 ATOM 196 CA GLU A 82 -60.575 23.831 59.221 1.00 82.41 ATOM 197 C GLU A 82 -61.131 25.049 58.499 1.00 79.23 ATOM 198 O GLU A 82 -62.327 25.132 58.221 1.00 78.17 ATOM 199 CB GLU A 82 -60.339 22.724 58.215 1.00 84.50 ATOM 200 CG GLU A 82 -59.863 21.452 58.845 1.00 89.11 ATOM 201 CD GLU A 82 -59.488 20.435 57.802 1.00 92.81 ATOM 202 OE1 GLU A 82 -58.452 20.644 57.124 1.00 94.87 ATOM 203 OE2 GLU A 82 -60.236 19.441 57.652 1.00 94.04 ATOM 204 N PRO A 83 -60.257 26.021 58.191 1.00 76.57 ATOM 205 CA PRO A 83 -60.622 27.259 57.500 1.00 73.85 ATOM 206 C PRO A 83 -60.633 27.044 55.990 1.00 71.72 ATOM 207 O PRO A 83 -59.767 26.354 55.451 1.00 70.71 ATOM 208 CB PRO A 83 -59.531 28.215 57.945 1.00 74.19 ATOM 209 CG PRO A 83 -58.335 27.321 57.946 1.00 75.39 ATOM 210 CD PRO A 83 -58.841 26.051 58.602 1.00 75.18 ATOM 211 N LYS A 84 -61.600 27.630 55.295 1.00 69.27 ATOM 212 CA LYS A 84 -61.640 27.417 53.859 1.00 67.83 ATOM 213 C LYS A 84 -60.716 28.344 53.101 1.00 66.80 ATOM 214 O LYS A 84 -60.670 29.548 53.361 1.00 67.25 ATOM 215 CB LYS A 84 -63.074 27.534 53.302 1.00 67.76 ATOM 216 CG LYS A 84 -63.711 28.916 53.325 1.00 66.24 ATOM 217 CD LYS A 84 -64.935 28.962 52.395 1.00 64.06 ATOM 218 CE LYS A 84 -65.557 30.354 52.348 1.00 62.34 ATOM 219 NZ LYS A 84 -66.516 30.533 51.223 1.00 60.37 ATOM 220 N PHE A 85 -59.970 27.753 52.171 1.00 64.20 ATOM 221 CA PHE A 85 -59.040 28.473 51.316 1.00 61.86 ATOM 222 C PHE A 85 -59.803 29.528 50.508 1.00 60.30 ATOM 223 O PHE A 85 -60.731 29.191 49.774 1.00 61.10 ATOM 224 CB PHE A 85 -58.372 27.482 50.361 1.00 62.29 ATOM 225 CG PHE A 85 -57.501 28.125 49.323 1.00 63.84 ATOM 226 CD1 PHE A 85 -56.122 27.992 49.380 1.00 63.75 ATOM 227 CD2 PHE A 85 -58.061 28.879 48.292 1.00 63.53 ATOM 228 CE1 PHE A 85 -55.315 28.598 48.426 1.00 64.45 ATOM 229 CE2 PHE A 85 -57.265 29.487 47.340 1.00 62.82 ATOM 230 CZ PHE A 85 -55.891 29.349 47.406 1.00 64.18 ATOM 231 N LEU A 86 -59.421 30.796 50.627 1.00 57.37 ATOM 232 CA LEU A 86 -60.103 31.841 49.871 1.00 55.14 ATOM 233 C LEU A 86 -59.414 32.098 48.536 1.00 55.18 ATOM 234 O LEU A 86 -59.991 31.862 47.475 1.00 57.50 ATOM 235 CB LEU A 86 -60.166 33.141 50.668 1.00 52.40 ATOM 236 CG LEU A 86 -60.825 33.041 52.038 1.00 50.75 ATOM 237 CD1 LEU A 86 -61.435 34.383 52.395 1.00 50.23 ATOM 238 CD2 LEU A 86 -61.890 31.977 52.015 1.00 49.36 ATOM 239 N ARG A 87 -58.180 32.587 48.593 1.00 52.92 ATOM 240 CA ARG A 87 -57.396 32.874 47.398 1.00 48.82 ATOM 241 C ARG A 87 -55.937 32.655 47.732 1.00 48.84 ATOM 242 O ARG A 87 -55.596 32.006 48.714 1.00 49.50 ATOM 243 CB ARG A 87 -57.600 34.324 46.958 1.00 45.04 ATOM 244 CG ARG A 87 -57.903 35.240 48.128 1.00 41.76 ATOM 245 CD ARG A 87 -57.350 36.649 47.987 1.00 36.83 ATOM 246 NE ARG A 87 -57.882 37.399 46.855 1.00 31.58 ATOM 247 CZ ARG A 87 -58.202 38.691 46.914 1.00 31.05 ATOM 248 NH1 ARG A 87 -58.059 39.365 48.049 1.00 28.43 ATOM 249 NH2 ARG A 87 -58.632 39.328 45.832 1.00 30.77 TER