HEADER RIBOSOME 13-JUN-03 4V49 TITLE Crystal Structure of a Streptomycin Dependent Ribosome from E. Coli TITLE 2 70S Ribosome. COMPND MOL_ID: 10; COMPND 2 MOLECULE: 30S ribosomal protein S8; COMPND 3 CHAIN: AH; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 8.70 ANGSTORMS DBREF 4V49 A 1 138 PDB 4V49 4V49 1 138 SEQRES 1 AH 72 PRO ARG ARG GLN GLY PRO ASP PRO ARG PRO GLU GLN VAL SEQRES 2 AH 72 ILE HIS HIS ILE ARG ARG ILE SER LYS PRO GLY ARG ARG SEQRES 3 AH 72 VAL TYR VAL GLY VAL LYS GLU ILE PRO ARG VAL ARG ARG SEQRES 4 AH 72 GLY LEU GLY ILE ALA ILE LEU SER THR SER LYS GLY VAL SEQRES 5 AH 72 LEU THR ASP ARG GLU ALA ARG LYS LEU GLY VAL GLY GLY SEQRES 6 AH 72 GLU LEU ILE CYS GLU VAL TRP ATOM 1 N PRO A 67 32.943 46.978 130.804 1.00646.94 ATOM 2 CA PRO A 67 32.072 45.915 130.327 1.00646.94 ATOM 3 C PRO A 67 32.523 45.445 128.953 1.00646.94 ATOM 4 O PRO A 67 33.396 46.056 128.332 1.00646.94 ATOM 5 CB PRO A 67 30.727 46.608 130.264 1.00646.94 ATOM 6 CG PRO A 67 31.089 47.939 129.771 1.00646.94 ATOM 7 CD PRO A 67 32.262 48.282 130.673 1.00646.94 ATOM 8 N ARG A 68 31.912 44.358 128.491 1.00646.94 ATOM 9 CA ARG A 68 32.188 43.780 127.180 1.00646.94 ATOM 10 C ARG A 68 31.824 44.830 126.137 1.00646.94 ATOM 11 O ARG A 68 30.995 45.684 126.406 1.00646.94 ATOM 12 CB ARG A 68 31.335 42.527 127.001 1.00646.94 ATOM 13 CG ARG A 68 31.572 41.766 125.722 1.00646.94 ATOM 14 CD ARG A 68 31.059 40.340 125.874 1.00646.94 ATOM 15 NE ARG A 68 31.266 39.549 124.671 1.00646.94 ATOM 16 CZ ARG A 68 30.709 39.829 123.501 1.00646.94 ATOM 17 NH1 ARG A 68 29.908 40.882 123.382 1.00646.94 ATOM 18 NH2 ARG A 68 30.950 39.056 122.455 1.00646.94 ATOM 19 N ARG A 69 32.431 44.778 124.958 1.00646.94 ATOM 20 CA ARG A 69 32.137 45.774 123.937 1.00646.94 ATOM 21 C ARG A 69 31.469 45.259 122.664 1.00646.94 ATOM 22 O ARG A 69 31.251 44.053 122.489 1.00646.94 ATOM 23 CB ARG A 69 33.413 46.524 123.561 1.00646.94 ATOM 24 CG ARG A 69 34.028 47.328 124.692 1.00646.94 ATOM 25 CD ARG A 69 35.145 48.196 124.157 1.00646.94 ATOM 26 NE ARG A 69 36.190 47.388 123.531 1.00646.94 ATOM 27 CZ ARG A 69 37.040 47.840 122.617 1.00646.94 ATOM 28 NH1 ARG A 69 36.968 49.102 122.214 1.00646.94 ATOM 29 NH2 ARG A 69 37.959 47.031 122.099 1.00646.94 ATOM 30 N GLN A 70 31.149 46.201 121.774 1.00646.94 ATOM 31 CA GLN A 70 30.492 45.912 120.500 1.00646.94 ATOM 32 C GLN A 70 31.507 45.807 119.372 1.00646.94 ATOM 33 O GLN A 70 32.682 46.128 119.546 1.00646.94 ATOM 34 CB GLN A 70 29.502 47.028 120.146 1.00646.94 ATOM 35 CG GLN A 70 28.441 47.314 121.190 1.00646.94 ATOM 36 CD GLN A 70 27.566 46.115 121.464 1.00646.94 ATOM 37 OE1 GLN A 70 27.117 45.440 120.541 1.00646.94 ATOM 38 NE2 GLN A 70 27.310 45.846 122.742 1.00646.94 ATOM 39 N GLY A 71 31.034 45.371 118.208 1.00646.94 ATOM 40 CA GLY A 71 31.899 45.232 117.049 1.00646.94 ATOM 41 C GLY A 71 33.002 44.224 117.277 1.00646.94 ATOM 42 O GLY A 71 32.958 43.469 118.246 1.00646.94 ATOM 43 N PRO A 72 33.997 44.168 116.385 1.00646.94 ATOM 44 CA PRO A 72 35.099 43.215 116.549 1.00646.94 ATOM 45 C PRO A 72 35.888 43.528 117.809 1.00646.94 ATOM 46 O PRO A 72 35.929 44.675 118.257 1.00646.94 ATOM 47 CB PRO A 72 35.916 43.409 115.276 1.00646.94 ATOM 48 CG PRO A 72 35.607 44.819 114.859 1.00646.94 ATOM 49 CD PRO A 72 34.128 44.907 115.121 1.00646.94 ATOM 50 N ASP A 73 36.520 42.511 118.376 1.00646.94 ATOM 51 CA ASP A 73 37.290 42.676 119.610 1.00646.94 ATOM 52 C ASP A 73 36.419 43.220 120.736 1.00646.94 ATOM 53 O ASP A 73 36.447 44.410 121.063 1.00646.94 ATOM 54 CB ASP A 73 38.491 43.609 119.427 1.00646.94 ATOM 55 CG ASP A 73 39.394 43.636 120.658 1.00646.94 ATOM 56 OD1 ASP A 73 40.411 44.362 120.652 1.00646.94 ATOM 57 OD2 ASP A 73 39.078 42.922 121.633 1.00646.94 ATOM 58 N PRO A 74 35.630 42.337 121.345 1.00646.94 ATOM 59 CA PRO A 74 34.727 42.666 122.444 1.00646.94 ATOM 60 C PRO A 74 35.473 42.862 123.761 1.00646.94 ATOM 61 O PRO A 74 34.854 43.011 124.810 1.00646.94 ATOM 62 CB PRO A 74 33.812 41.453 122.491 1.00646.94 ATOM 63 CG PRO A 74 34.765 40.331 122.148 1.00646.94 ATOM 64 CD PRO A 74 35.517 40.915 120.975 1.00646.94 ATOM 65 N ARG A 75 36.800 42.841 123.714 1.00646.94 ATOM 66 CA ARG A 75 37.570 43.003 124.935 1.00646.94 ATOM 67 C ARG A 75 37.268 44.294 125.667 1.00646.94 ATOM 68 O ARG A 75 37.317 45.388 125.114 1.00646.94 ATOM 69 CB ARG A 75 39.062 42.887 124.659 1.00646.94 ATOM 70 CG ARG A 75 39.562 41.462 124.733 1.00646.94 ATOM 71 CD ARG A 75 41.053 41.417 124.520 1.00646.94 ATOM 72 NE ARG A 75 41.398 41.945 123.208 1.00646.94 ATOM 73 CZ ARG A 75 42.639 42.098 122.775 1.00646.94 ATOM 74 NH1 ARG A 75 43.657 41.762 123.560 1.00646.94 ATOM 75 NH2 ARG A 75 42.864 42.588 121.565 1.00646.94 ATOM 76 N PRO A 76 36.960 44.166 126.949 1.00646.94 ATOM 77 CA PRO A 76 36.624 45.255 127.860 1.00646.94 ATOM 78 C PRO A 76 37.697 46.324 127.926 1.00646.94 ATOM 79 O PRO A 76 38.882 46.020 127.820 1.00646.94 ATOM 80 CB PRO A 76 36.475 44.551 129.211 1.00646.94 ATOM 81 CG PRO A 76 36.226 43.132 128.848 1.00646.94 ATOM 82 CD PRO A 76 37.130 42.911 127.688 1.00646.94 ATOM 83 N GLU A 77 37.272 47.572 128.110 1.00646.94 ATOM 84 CA GLU A 77 38.204 48.676 128.262 1.00646.94 ATOM 85 C GLU A 77 38.831 48.467 129.633 1.00646.94 ATOM 86 O GLU A 77 38.154 48.018 130.554 1.00646.94 ATOM 87 CB GLU A 77 37.468 50.008 128.260 1.00646.94 ATOM 88 CG GLU A 77 38.366 51.163 128.608 1.00646.94 ATOM 89 CD GLU A 77 37.636 52.478 128.594 1.00646.94 ATOM 90 OE1 GLU A 77 36.767 52.665 127.716 1.00646.94 ATOM 91 OE2 GLU A 77 37.939 53.336 129.447 1.00646.94 ATOM 92 N GLN A 78 40.112 48.777 129.779 1.00646.94 ATOM 93 CA GLN A 78 40.758 48.590 131.072 1.00646.94 ATOM 94 C GLN A 78 40.333 49.701 132.014 1.00646.94 ATOM 95 O GLN A 78 39.940 50.782 131.581 1.00646.94 ATOM 96 CB GLN A 78 42.274 48.632 130.925 1.00646.94 ATOM 97 CG GLN A 78 42.845 47.596 129.988 1.00646.94 ATOM 98 CD GLN A 78 42.940 46.225 130.610 1.00646.94 ATOM 99 OE1 GLN A 78 43.175 46.099 131.811 1.00646.94 ATOM 100 NE2 GLN A 78 42.787 45.184 129.795 1.00646.94 ATOM 101 N VAL A 79 40.400 49.422 133.309 1.00646.94 ATOM 102 CA VAL A 79 40.062 50.431 134.302 1.00646.94 ATOM 103 C VAL A 79 41.399 51.099 134.565 1.00646.94 ATOM 104 O VAL A 79 41.467 52.299 134.850 1.00646.94 ATOM 105 CB VAL A 79 39.541 49.795 135.584 1.00646.94 ATOM 106 CG1 VAL A 79 39.118 50.851 136.558 1.00646.94 ATOM 107 CG2 VAL A 79 38.383 48.897 135.257 1.00646.94 ATOM 108 N ILE A 80 42.458 50.293 134.456 1.00646.94 ATOM 109 CA ILE A 80 43.828 50.761 134.625 1.00646.94 ATOM 110 C ILE A 80 44.438 50.899 133.245 1.00646.94 ATOM 111 O ILE A 80 45.106 49.984 132.772 1.00646.94 ATOM 112 CB ILE A 80 44.677 49.756 135.399 1.00646.94 ATOM 113 CG1 ILE A 80 44.206 49.687 136.856 1.00646.94 ATOM 114 CG2 ILE A 80 46.136 50.153 135.309 1.00646.94 ATOM 115 CD1 ILE A 80 45.127 48.880 137.776 1.00646.94 ATOM 116 N HIS A 81 44.194 52.030 132.588 1.00646.94 ATOM 117 CA HIS A 81 44.735 52.245 131.257 1.00646.94 ATOM 118 C HIS A 81 46.233 52.444 131.340 1.00646.94 ATOM 119 O HIS A 81 46.956 52.215 130.369 1.00646.94 ATOM 120 CB HIS A 81 44.182 53.510 130.618 1.00646.94 ATOM 121 CG HIS A 81 42.695 53.572 130.559 1.00646.94 ATOM 122 ND1 HIS A 81 41.910 53.636 131.689 1.00646.94 ATOM 123 CD2 HIS A 81 41.849 53.650 129.505 1.00646.94 ATOM 124 CE1 HIS A 81 40.643 53.755 131.334 1.00646.94 ATOM 125 NE2 HIS A 81 40.580 53.767 130.014 1.00646.94 ATOM 126 N HIS A 82 46.700 52.866 132.503 1.00646.94 ATOM 127 CA HIS A 82 48.100 53.173 132.674 1.00646.94 ATOM 128 C HIS A 82 48.525 52.835 134.077 1.00646.94 ATOM 129 O HIS A 82 47.685 52.608 134.936 1.00646.94 ATOM 130 CB HIS A 82 48.263 54.659 132.450 1.00646.94 ATOM 131 CG HIS A 82 49.677 55.109 132.357 1.00646.94 ATOM 132 ND1 HIS A 82 50.428 54.961 131.209 1.00646.94 ATOM 133 CD2 HIS A 82 50.470 55.740 133.253 1.00646.94 ATOM 134 CE1 HIS A 82 51.624 55.488 131.404 1.00646.94 ATOM 135 NE2 HIS A 82 51.675 55.967 132.635 1.00646.94 ATOM 136 N ILE A 83 49.824 52.810 134.313 1.00646.94 ATOM 137 CA ILE A 83 50.378 52.520 135.627 1.00646.94 ATOM 138 C ILE A 83 51.883 52.370 135.433 1.00646.94 ATOM 139 O ILE A 83 52.370 51.278 135.145 1.00646.94 ATOM 140 CB ILE A 83 49.769 51.222 136.249 1.00646.94 ATOM 141 CG1 ILE A 83 50.409 50.959 137.610 1.00646.94 ATOM 142 CG2 ILE A 83 49.956 50.026 135.325 1.00646.94 ATOM 143 CD1 ILE A 83 49.799 49.804 138.347 1.00646.94 ATOM 144 N ARG A 84 52.607 53.482 135.585 1.00646.94 ATOM 145 CA ARG A 84 54.058 53.529 135.377 1.00646.94 ATOM 146 C ARG A 84 54.921 53.901 136.596 1.00646.94 ATOM 147 O ARG A 84 54.632 54.874 137.283 1.00646.94 ATOM 148 CB ARG A 84 54.347 54.517 134.240 1.00646.94 ATOM 149 CG ARG A 84 55.736 54.400 133.672 1.00646.94 ATOM 150 CD ARG A 84 56.515 55.681 133.815 1.00646.94 ATOM 151 NE ARG A 84 55.956 56.753 133.007 1.00646.94 ATOM 152 CZ ARG A 84 56.644 57.824 132.629 1.00646.94 ATOM 153 NH1 ARG A 84 57.911 57.960 132.990 1.00646.94 ATOM 154 NH2 ARG A 84 56.066 58.760 131.889 1.00646.94 ATOM 155 N ARG A 85 55.988 53.137 136.849 1.00646.94 ATOM 156 CA ARG A 85 56.885 53.438 137.967 1.00646.94 ATOM 157 C ARG A 85 57.656 54.699 137.656 1.00646.94 ATOM 158 O ARG A 85 58.004 54.954 136.500 1.00646.94 ATOM 159 CB ARG A 85 57.895 52.326 138.208 1.00646.94 ATOM 160 CG ARG A 85 57.776 51.746 139.602 1.00646.94 ATOM 161 CD ARG A 85 59.029 51.888 140.433 1.00646.94 ATOM 162 NE ARG A 85 58.749 52.624 141.656 1.00646.94 ATOM 163 CZ ARG A 85 59.317 52.366 142.827 1.00646.94 ATOM 164 NH1 ARG A 85 60.193 51.373 142.936 1.00646.94 ATOM 165 NH2 ARG A 85 59.036 53.125 143.881 1.00646.94 ATOM 166 N ILE A 86 57.943 55.482 138.683 1.00646.94 ATOM 167 CA ILE A 86 58.657 56.725 138.479 1.00646.94 ATOM 168 C ILE A 86 59.937 56.757 139.278 1.00646.94 ATOM 169 O ILE A 86 61.030 56.706 138.716 1.00646.94 ATOM 170 CB ILE A 86 57.773 57.898 138.860 1.00646.94 ATOM 171 CG1 ILE A 86 56.650 58.020 137.841 1.00646.94 ATOM 172 CG2 ILE A 86 58.593 59.163 138.916 1.00646.94 ATOM 173 CD1 ILE A 86 55.664 59.046 138.198 1.00646.94 ATOM 174 N SER A 87 59.818 56.881 140.586 1.00646.94 ATOM 175 CA SER A 87 61.013 56.847 141.394 1.00646.94 ATOM 176 C SER A 87 61.475 55.401 141.172 1.00646.94 ATOM 177 O SER A 87 60.654 54.494 141.103 1.00646.94 ATOM 178 CB SER A 87 60.664 57.096 142.868 1.00646.94 ATOM 179 OG SER A 87 61.814 57.030 143.698 1.00646.94 ATOM 180 N LYS A 88 62.769 55.187 140.990 1.00646.94 ATOM 181 CA LYS A 88 63.291 53.835 140.804 1.00646.94 ATOM 182 C LYS A 88 64.658 53.879 141.408 1.00646.94 ATOM 183 O LYS A 88 65.272 54.949 141.479 1.00646.94 ATOM 184 CB LYS A 88 63.465 53.456 139.333 1.00646.94 ATOM 185 CG LYS A 88 62.500 54.089 138.375 1.00646.94 ATOM 186 CD LYS A 88 62.396 53.224 137.138 1.00646.94 ATOM 187 CE LYS A 88 61.931 54.007 135.929 1.00646.94 ATOM 188 NZ LYS A 88 63.000 54.975 135.562 1.00646.94 ATOM 189 N PRO A 89 65.163 52.727 141.850 1.00646.94 ATOM 190 CA PRO A 89 66.499 52.645 142.456 1.00646.94 ATOM 191 C PRO A 89 67.482 53.257 141.475 1.00646.94 ATOM 192 O PRO A 89 67.296 53.142 140.259 1.00646.94 ATOM 193 CB PRO A 89 66.703 51.146 142.648 1.00646.94 ATOM 194 CG PRO A 89 65.715 50.515 141.636 1.00646.94 ATOM 195 CD PRO A 89 64.531 51.408 141.737 1.00646.94 ATOM 196 N GLY A 90 68.510 53.927 141.967 1.00646.94 ATOM 197 CA GLY A 90 69.426 54.544 141.019 1.00646.94 ATOM 198 C GLY A 90 68.660 55.470 140.078 1.00646.94 ATOM 199 O GLY A 90 68.670 55.317 138.850 1.00646.94 ATOM 200 N ARG A 91 67.967 56.417 140.707 1.00646.94 ATOM 201 CA ARG A 91 67.162 57.468 140.095 1.00646.94 ATOM 202 C ARG A 91 65.904 57.683 140.893 1.00646.94 ATOM 203 O ARG A 91 64.786 57.613 140.378 1.00646.94 ATOM 204 CB ARG A 91 66.796 57.176 138.659 1.00646.94 ATOM 205 CG ARG A 91 67.110 58.348 137.724 1.00646.94 ATOM 206 CD ARG A 91 66.376 59.655 138.029 1.00646.94 ATOM 207 NE ARG A 91 66.263 60.416 136.784 1.00646.94 ATOM 208 CZ ARG A 91 65.886 61.688 136.693 1.00646.94 ATOM 209 NH1 ARG A 91 65.573 62.373 137.784 1.00646.94 ATOM 210 NH2 ARG A 91 65.841 62.280 135.505 1.00646.94 ATOM 211 N ARG A 92 66.122 57.939 142.175 1.00646.94 ATOM 212 CA ARG A 92 65.059 58.222 143.107 1.00646.94 ATOM 213 C ARG A 92 64.424 59.566 142.715 1.00646.94 ATOM 214 O ARG A 92 65.101 60.475 142.232 1.00646.94 ATOM 215 CB ARG A 92 65.649 58.311 144.509 1.00646.94 ATOM 216 CG ARG A 92 65.126 57.274 145.468 1.00646.94 ATOM 217 CD ARG A 92 65.594 55.891 145.126 1.00646.94 ATOM 218 NE ARG A 92 64.575 54.927 145.521 1.00646.94 ATOM 219 CZ ARG A 92 64.814 53.642 145.731 1.00646.94 ATOM 220 NH1 ARG A 92 66.040 53.167 145.591 1.00646.94 ATOM 221 NH2 ARG A 92 63.823 52.835 146.068 1.00646.94 ATOM 222 N VAL A 93 63.123 59.696 142.924 1.00646.94 ATOM 223 CA VAL A 93 62.461 60.939 142.580 1.00646.94 ATOM 224 C VAL A 93 61.574 61.464 143.685 1.00646.94 ATOM 225 O VAL A 93 60.559 60.848 144.018 1.00646.94 ATOM 226 CB VAL A 93 61.644 60.770 141.305 1.00646.94 ATOM 227 CG1 VAL A 93 60.696 61.950 141.120 1.00646.94 ATOM 228 CG2 VAL A 93 62.598 60.653 140.145 1.00646.94 ATOM 229 N TYR A 94 61.964 62.606 144.252 1.00646.94 ATOM 230 CA TYR A 94 61.194 63.220 145.330 1.00646.94 ATOM 231 C TYR A 94 60.653 64.575 144.917 1.00646.94 ATOM 232 O TYR A 94 61.284 65.279 144.140 1.00646.94 ATOM 233 CB TYR A 94 62.055 63.409 146.562 1.00646.94 ATOM 234 CG TYR A 94 62.911 62.229 146.882 1.00646.94 ATOM 235 CD1 TYR A 94 64.264 62.203 146.538 1.00646.94 ATOM 236 CD2 TYR A 94 62.382 61.144 147.557 1.00646.94 ATOM 237 CE1 TYR A 94 65.071 61.118 146.874 1.00646.94 ATOM 238 CE2 TYR A 94 63.174 60.055 147.896 1.00646.94 ATOM 239 CZ TYR A 94 64.513 60.050 147.556 1.00646.94 ATOM 240 OH TYR A 94 65.272 58.973 147.933 1.00646.94 ATOM 241 N VAL A 95 59.485 64.931 145.447 1.00646.94 ATOM 242 CA VAL A 95 58.876 66.215 145.128 1.00646.94 ATOM 243 C VAL A 95 58.347 66.984 146.331 1.00646.94 ATOM 244 O VAL A 95 57.881 66.400 147.310 1.00646.94 ATOM 245 CB VAL A 95 57.702 66.066 144.144 1.00646.94 ATOM 246 CG1 VAL A 95 58.199 65.590 142.795 1.00646.94 ATOM 247 CG2 VAL A 95 56.676 65.112 144.725 1.00646.94 ATOM 248 N GLY A 96 58.438 68.306 146.239 1.00646.94 ATOM 249 CA GLY A 96 57.924 69.161 147.287 1.00646.94 ATOM 250 C GLY A 96 56.422 69.201 147.089 1.00646.94 ATOM 251 O GLY A 96 55.915 68.800 146.040 1.00646.94 ATOM 252 N VAL A 97 55.695 69.683 148.085 1.00646.94 ATOM 253 CA VAL A 97 54.245 69.721 147.983 1.00646.94 ATOM 254 C VAL A 97 53.790 70.651 146.864 1.00646.94 ATOM 255 O VAL A 97 52.660 70.561 146.392 1.00646.94 ATOM 256 CB VAL A 97 53.624 70.130 149.339 1.00646.94 ATOM 257 CG1 VAL A 97 54.154 71.468 149.752 1.00646.94 ATOM 258 CG2 VAL A 97 52.125 70.135 149.254 1.00646.94 ATOM 259 N LYS A 98 54.681 71.532 146.425 1.00646.94 ATOM 260 CA LYS A 98 54.358 72.453 145.341 1.00646.94 ATOM 261 C LYS A 98 54.673 71.825 143.968 1.00646.94 ATOM 262 O LYS A 98 54.278 72.354 142.929 1.00646.94 ATOM 263 CB LYS A 98 55.171 73.741 145.475 1.00646.94 ATOM 264 CG LYS A 98 55.109 74.416 146.828 1.00646.94 ATOM 265 CD LYS A 98 56.267 75.403 146.949 1.00646.94 ATOM 266 CE LYS A 98 56.317 76.095 148.302 1.00646.94 ATOM 267 NZ LYS A 98 55.272 77.147 148.441 1.00646.94 ATOM 268 N GLU A 99 55.388 70.699 143.974 1.00646.94 ATOM 269 CA GLU A 99 55.786 70.013 142.743 1.00646.94 ATOM 270 C GLU A 99 55.026 68.706 142.472 1.00646.94 ATOM 271 O GLU A 99 55.321 68.003 141.510 1.00646.94 ATOM 272 CB GLU A 99 57.282 69.709 142.794 1.00646.94 ATOM 273 CG GLU A 99 58.174 70.917 143.009 1.00646.94 ATOM 274 CD GLU A 99 59.629 70.523 143.240 1.00646.94 ATOM 275 OE1 GLU A 99 59.921 69.874 144.272 1.00646.94 ATOM 276 OE2 GLU A 99 60.484 70.858 142.387 1.00646.94 ATOM 277 N ILE A 100 54.061 68.375 143.322 1.00646.94 ATOM 278 CA ILE A 100 53.285 67.153 143.148 1.00646.94 ATOM 279 C ILE A 100 52.498 67.273 141.855 1.00646.94 ATOM 280 O ILE A 100 51.581 68.075 141.749 1.00646.94 ATOM 281 CB ILE A 100 52.307 66.951 144.313 1.00646.94 ATOM 282 CG1 ILE A 100 53.047 67.104 145.639 1.00646.94 ATOM 283 CG2 ILE A 100 51.707 65.571 144.246 1.00646.94 ATOM 284 CD1 ILE A 100 52.161 67.040 146.853 1.00646.94 ATOM 285 N PRO A 101 52.846 66.469 140.847 1.00646.94 ATOM 286 CA PRO A 101 52.159 66.505 139.551 1.00646.94 ATOM 287 C PRO A 101 50.647 66.370 139.570 1.00646.94 ATOM 288 O PRO A 101 50.064 65.895 140.543 1.00646.94 ATOM 289 CB PRO A 101 52.825 65.370 138.780 1.00646.94 ATOM 290 CG PRO A 101 53.330 64.452 139.870 1.00646.94 ATOM 291 CD PRO A 101 53.877 65.419 140.864 1.00646.94 ATOM 292 N ARG A 102 50.018 66.825 138.486 1.00646.94 ATOM 293 CA ARG A 102 48.574 66.734 138.312 1.00646.94 ATOM 294 C ARG A 102 48.394 65.758 137.164 1.00646.94 ATOM 295 O ARG A 102 48.394 66.136 135.995 1.00646.94 ATOM 296 CB ARG A 102 47.965 68.090 137.962 1.00646.94 ATOM 297 CG ARG A 102 47.569 68.894 139.183 1.00646.94 ATOM 298 CD ARG A 102 46.946 70.231 138.824 1.00646.94 ATOM 299 NE ARG A 102 46.487 70.933 140.020 1.00646.94 ATOM 300 CZ ARG A 102 45.980 72.164 140.028 1.00646.94 ATOM 301 NH1 ARG A 102 45.863 72.842 138.894 1.00646.94 ATOM 302 NH2 ARG A 102 45.588 72.712 141.169 1.00646.94 ATOM 303 N VAL A 103 48.267 64.485 137.518 1.00646.94 ATOM 304 CA VAL A 103 48.111 63.398 136.561 1.00646.94 ATOM 305 C VAL A 103 46.839 63.417 135.723 1.00646.94 ATOM 306 O VAL A 103 45.737 63.587 136.244 1.00646.94 ATOM 307 CB VAL A 103 48.168 62.057 137.281 1.00646.94 ATOM 308 CG1 VAL A 103 48.350 60.946 136.283 1.00646.94 ATOM 309 CG2 VAL A 103 49.287 62.081 138.311 1.00646.94 ATOM 310 N ARG A 104 47.016 63.217 134.420 1.00646.94 ATOM 311 CA ARG A 104 45.912 63.173 133.469 1.00646.94 ATOM 312 C ARG A 104 44.860 64.227 133.762 1.00646.94 ATOM 313 O ARG A 104 43.679 63.903 133.883 1.00646.94 ATOM 314 CB ARG A 104 45.259 61.788 133.490 1.00646.94 ATOM 315 CG ARG A 104 45.527 60.908 132.272 1.00646.94 ATOM 316 CD ARG A 104 44.552 61.234 131.169 1.00646.94 ATOM 317 NE ARG A 104 44.459 60.195 130.144 1.00646.94 ATOM 318 CZ ARG A 104 45.461 59.816 129.357 1.00646.94 ATOM 319 NH1 ARG A 104 46.658 60.376 129.469 1.00646.94 ATOM 320 NH2 ARG A 104 45.250 58.897 128.426 1.00646.94 ATOM 321 N ARG A 105 45.296 65.482 133.876 1.00646.94 ATOM 322 CA ARG A 105 44.393 66.598 134.149 1.00646.94 ATOM 323 C ARG A 105 43.435 66.287 135.286 1.00646.94 ATOM 324 O ARG A 105 42.281 66.698 135.254 1.00646.94 ATOM 325 CB ARG A 105 43.575 66.939 132.901 1.00646.94 ATOM 326 CG ARG A 105 43.762 68.346 132.391 1.00646.94 ATOM 327 CD ARG A 105 45.222 68.589 132.053 1.00646.94 ATOM 328 NE ARG A 105 45.417 69.795 131.256 1.00646.94 ATOM 329 CZ ARG A 105 44.995 71.004 131.608 1.00646.94 ATOM 330 NH1 ARG A 105 44.352 71.179 132.752 1.00646.94 ATOM 331 NH2 ARG A 105 45.223 72.038 130.812 1.00646.94 ATOM 332 N GLY A 106 43.896 65.541 136.280 1.00646.94 ATOM 333 CA GLY A 106 43.034 65.220 137.399 1.00646.94 ATOM 334 C GLY A 106 42.297 63.901 137.321 1.00646.94 ATOM 335 O GLY A 106 41.880 63.387 138.351 1.00646.94 ATOM 336 N LEU A 107 42.130 63.345 136.123 1.00646.94 ATOM 337 CA LEU A 107 41.424 62.071 135.982 1.00646.94 ATOM 338 C LEU A 107 42.275 60.867 136.376 1.00646.94 ATOM 339 O LEU A 107 41.778 59.746 136.456 1.00646.94 ATOM 340 CB LEU A 107 40.936 61.886 134.548 1.00646.94 ATOM 341 CG LEU A 107 40.159 63.054 133.958 1.00646.94 ATOM 342 CD1 LEU A 107 39.532 62.634 132.637 1.00646.94 ATOM 343 CD2 LEU A 107 39.104 63.492 134.940 1.00646.94 ATOM 344 N GLY A 108 43.558 61.095 136.600 1.00646.94 ATOM 345 CA GLY A 108 44.426 60.006 136.996 1.00646.94 ATOM 346 C GLY A 108 45.062 60.363 138.319 1.00646.94 ATOM 347 O GLY A 108 44.941 61.493 138.775 1.00646.94 ATOM 348 N ILE A 109 45.740 59.422 138.952 1.00646.94 ATOM 349 CA ILE A 109 46.361 59.753 140.213 1.00646.94 ATOM 350 C ILE A 109 47.866 59.575 140.190 1.00646.94 ATOM 351 O ILE A 109 48.469 59.261 139.160 1.00646.94 ATOM 352 CB ILE A 109 45.813 58.902 141.342 1.00646.94 ATOM 353 CG1 ILE A 109 46.415 57.499 141.275 1.00646.94 ATOM 354 CG2 ILE A 109 44.326 58.832 141.235 1.00646.94 ATOM 355 CD1 ILE A 109 46.353 56.788 142.588 1.00646.94 ATOM 356 N ALA A 110 48.466 59.778 141.348 1.00646.94 ATOM 357 CA ALA A 110 49.891 59.641 141.497 1.00646.94 ATOM 358 C ALA A 110 50.090 59.229 142.935 1.00646.94 ATOM 359 O ALA A 110 49.631 59.906 143.844 1.00646.94 ATOM 360 CB ALA A 110 50.547 60.946 141.237 1.00646.94 ATOM 361 N ILE A 111 50.761 58.119 143.160 1.00646.94 ATOM 362 CA ILE A 111 50.954 57.666 144.518 1.00646.94 ATOM 363 C ILE A 111 52.294 58.098 145.084 1.00646.94 ATOM 364 O ILE A 111 53.340 57.740 144.549 1.00646.94 ATOM 365 CB ILE A 111 50.836 56.144 144.578 1.00646.94 ATOM 366 CG1 ILE A 111 49.448 55.734 144.093 1.00646.94 ATOM 367 CG2 ILE A 111 51.135 55.641 145.990 1.00646.94 ATOM 368 CD1 ILE A 111 49.150 54.277 144.295 1.00646.94 ATOM 369 N LEU A 112 52.259 58.879 146.160 1.00646.94 ATOM 370 CA LEU A 112 53.489 59.336 146.784 1.00646.94 ATOM 371 C LEU A 112 53.692 58.605 148.076 1.00646.94 ATOM 372 O LEU A 112 52.765 57.994 148.600 1.00646.94 ATOM 373 CB LEU A 112 53.441 60.820 147.124 1.00646.94 ATOM 374 CG LEU A 112 52.966 61.860 146.128 1.00646.94 ATOM 375 CD1 LEU A 112 53.692 63.163 146.444 1.00646.94 ATOM 376 CD2 LEU A 112 53.277 61.432 144.704 1.00646.94 ATOM 377 N SER A 113 54.914 58.672 148.589 1.00646.94 ATOM 378 CA SER A 113 55.235 58.075 149.876 1.00646.94 ATOM 379 C SER A 113 55.777 59.239 150.708 1.00646.94 ATOM 380 O SER A 113 56.869 59.736 150.460 1.00646.94 ATOM 381 CB SER A 113 56.291 56.985 149.732 1.00646.94 ATOM 382 OG SER A 113 56.637 56.456 151.000 1.00646.94 ATOM 383 N THR A 114 54.988 59.677 151.682 1.00646.94 ATOM 384 CA THR A 114 55.341 60.803 152.537 1.00646.94 ATOM 385 C THR A 114 55.623 60.378 153.968 1.00646.94 ATOM 386 O THR A 114 55.273 59.271 154.365 1.00646.94 ATOM 387 CB THR A 114 54.203 61.781 152.565 1.00646.94 ATOM 388 OG1 THR A 114 53.098 61.189 153.267 1.00646.94 ATOM 389 CG2 THR A 114 53.769 62.096 151.138 1.00646.94 ATOM 390 N SER A 115 56.246 61.256 154.748 1.00646.94 ATOM 391 CA SER A 115 56.525 60.913 156.139 1.00646.94 ATOM 392 C SER A 115 55.196 60.840 156.885 1.00646.94 ATOM 393 O SER A 115 55.157 60.558 158.081 1.00646.94 ATOM 394 CB SER A 115 57.465 61.934 156.793 1.00646.94 ATOM 395 OG SER A 115 56.881 63.215 156.924 1.00646.94 ATOM 396 N LYS A 116 54.110 61.094 156.154 1.00646.94 ATOM 397 CA LYS A 116 52.758 61.015 156.692 1.00646.94 ATOM 398 C LYS A 116 52.070 59.787 156.112 1.00646.94 ATOM 399 O LYS A 116 50.851 59.667 156.218 1.00646.94 ATOM 400 CB LYS A 116 51.926 62.238 156.312 1.00646.94 ATOM 401 CG LYS A 116 51.971 63.382 157.305 1.00646.94 ATOM 402 CD LYS A 116 50.857 64.378 157.008 1.00646.94 ATOM 403 CE LYS A 116 50.790 65.458 158.067 1.00646.94 ATOM 404 NZ LYS A 116 49.585 66.311 157.893 1.00646.94 ATOM 405 N GLY A 117 52.843 58.899 155.480 1.00646.94 ATOM 406 CA GLY A 117 52.289 57.685 154.885 1.00646.94 ATOM 407 C GLY A 117 52.125 57.702 153.373 1.00646.94 ATOM 408 O GLY A 117 52.474 58.676 152.706 1.00646.94 ATOM 409 N VAL A 118 51.587 56.622 152.814 1.00646.94 ATOM 410 CA VAL A 118 51.399 56.548 151.366 1.00646.94 ATOM 411 C VAL A 118 50.079 57.217 151.031 1.00646.94 ATOM 412 O VAL A 118 49.040 56.769 151.491 1.00646.94 ATOM 413 CB VAL A 118 51.361 55.061 150.864 1.00646.94 ATOM 414 CG1 VAL A 118 50.924 55.003 149.418 1.00646.94 ATOM 415 CG2 VAL A 118 52.731 54.419 150.996 1.00646.94 ATOM 416 N LEU A 119 50.116 58.288 150.245 1.00646.94 ATOM 417 CA LEU A 119 48.886 58.995 149.880 1.00646.94 ATOM 418 C LEU A 119 48.857 59.259 148.391 1.00646.94 ATOM 419 O LEU A 119 49.856 59.085 147.698 1.00646.94 ATOM 420 CB LEU A 119 48.779 60.354 150.590 1.00646.94 ATOM 421 CG LEU A 119 49.622 60.657 151.831 1.00646.94 ATOM 422 CD1 LEU A 119 49.555 62.147 152.176 1.00646.94 ATOM 423 CD2 LEU A 119 49.138 59.799 152.979 1.00646.94 ATOM 424 N THR A 120 47.703 59.690 147.904 1.00646.94 ATOM 425 CA THR A 120 47.552 60.004 146.499 1.00646.94 ATOM 426 C THR A 120 47.922 61.472 146.378 1.00646.94 ATOM 427 O THR A 120 48.025 62.159 147.392 1.00646.94 ATOM 428 CB THR A 120 46.109 59.817 146.046 1.00646.94 ATOM 429 OG1 THR A 120 45.323 60.933 146.482 1.00646.94 ATOM 430 CG2 THR A 120 45.540 58.533 146.630 1.00646.94 ATOM 431 N ASP A 121 48.114 61.967 145.157 1.00646.94 ATOM 432 CA ASP A 121 48.486 63.365 144.991 1.00646.94 ATOM 433 C ASP A 121 47.505 64.305 145.680 1.00646.94 ATOM 434 O ASP A 121 47.919 65.247 146.344 1.00646.94 ATOM 435 CB ASP A 121 48.680 63.726 143.495 1.00646.94 ATOM 436 CG ASP A 121 47.506 63.326 142.609 1.00646.94 ATOM 437 OD1 ASP A 121 46.922 62.246 142.832 1.00646.94 ATOM 438 OD2 ASP A 121 47.186 64.087 141.663 1.00646.94 ATOM 439 N ARG A 122 46.212 64.048 145.565 1.00646.94 ATOM 440 CA ARG A 122 45.258 64.918 146.229 1.00646.94 ATOM 441 C ARG A 122 45.428 64.848 147.745 1.00646.94 ATOM 442 O ARG A 122 45.516 65.881 148.406 1.00646.94 ATOM 443 CB ARG A 122 43.835 64.546 145.841 1.00646.94 ATOM 444 CG ARG A 122 43.547 64.850 144.407 1.00646.94 ATOM 445 CD ARG A 122 42.094 64.641 144.067 1.00646.94 ATOM 446 NE ARG A 122 41.832 65.054 142.692 1.00646.94 ATOM 447 CZ ARG A 122 40.687 64.844 142.048 1.00646.94 ATOM 448 NH1 ARG A 122 39.688 64.219 142.653 1.00646.94 ATOM 449 NH2 ARG A 122 40.546 65.259 140.799 1.00646.94 ATOM 450 N GLU A 123 45.482 63.638 148.289 1.00646.94 ATOM 451 CA GLU A 123 45.639 63.454 149.730 1.00646.94 ATOM 452 C GLU A 123 46.866 64.204 150.240 1.00646.94 ATOM 453 O GLU A 123 46.824 64.894 151.258 1.00646.94 ATOM 454 CB GLU A 123 45.801 61.971 150.057 1.00646.94 ATOM 455 CG GLU A 123 44.548 61.141 149.912 1.00646.94 ATOM 456 CD GLU A 123 44.843 59.656 149.979 1.00646.94 ATOM 457 OE1 GLU A 123 45.813 59.271 150.670 1.00646.94 ATOM 458 OE2 GLU A 123 44.107 58.871 149.344 1.00646.94 ATOM 459 N ALA A 124 47.968 64.051 149.518 1.00646.94 ATOM 460 CA ALA A 124 49.221 64.687 149.883 1.00646.94 ATOM 461 C ALA A 124 49.078 66.204 149.917 1.00646.94 ATOM 462 O ALA A 124 49.462 66.860 150.884 1.00646.94 ATOM 463 CB ALA A 124 50.302 64.283 148.890 1.00646.94 ATOM 464 N ARG A 125 48.523 66.750 148.840 1.00646.94 ATOM 465 CA ARG A 125 48.340 68.176 148.738 1.00646.94 ATOM 466 C ARG A 125 47.529 68.658 149.932 1.00646.94 ATOM 467 O ARG A 125 47.865 69.672 150.545 1.00646.94 ATOM 468 CB ARG A 125 47.644 68.514 147.429 1.00646.94 ATOM 469 CG ARG A 125 48.139 69.808 146.850 1.00646.94 ATOM 470 CD ARG A 125 47.851 69.890 145.380 1.00646.94 ATOM 471 NE ARG A 125 48.166 68.638 144.701 1.00646.94 ATOM 472 CZ ARG A 125 48.321 68.528 143.384 1.00646.94 ATOM 473 NH1 ARG A 125 48.198 69.607 142.616 1.00646.94 ATOM 474 NH2 ARG A 125 48.585 67.346 142.834 1.00646.94 ATOM 475 N LYS A 126 46.467 67.930 150.267 1.00646.94 ATOM 476 CA LYS A 126 45.653 68.293 151.417 1.00646.94 ATOM 477 C LYS A 126 46.584 68.393 152.624 1.00646.94 ATOM 478 O LYS A 126 46.852 69.486 153.116 1.00646.94 ATOM 479 CB LYS A 126 44.577 67.234 151.681 1.00646.94 ATOM 480 CG LYS A 126 43.770 67.517 152.937 1.00646.94 ATOM 481 CD LYS A 126 42.623 66.539 153.141 1.00646.94 ATOM 482 CE LYS A 126 41.788 66.947 154.352 1.00646.94 ATOM 483 NZ LYS A 126 40.551 66.133 154.493 1.00646.94 ATOM 484 N LEU A 127 47.086 67.250 153.081 1.00646.94 ATOM 485 CA LEU A 127 48.001 67.192 154.216 1.00646.94 ATOM 486 C LEU A 127 49.233 68.081 154.002 1.00646.94 ATOM 487 O LEU A 127 50.138 68.106 154.846 1.00646.94 ATOM 488 CB LEU A 127 48.469 65.752 154.434 1.00646.94 ATOM 489 CG LEU A 127 47.519 64.665 154.940 1.00646.94 ATOM 490 CD1 LEU A 127 47.300 64.867 156.420 1.00646.94 ATOM 491 CD2 LEU A 127 46.197 64.683 154.170 1.00646.94 ATOM 492 N GLY A 128 49.277 68.783 152.871 1.00646.94 ATOM 493 CA GLY A 128 50.399 69.659 152.561 1.00646.94 ATOM 494 C GLY A 128 51.797 69.069 152.716 1.00646.94 ATOM 495 O GLY A 128 52.639 69.638 153.403 1.00646.94 ATOM 496 N VAL A 129 52.062 67.939 152.073 1.00646.94 ATOM 497 CA VAL A 129 53.377 67.319 152.181 1.00646.94 ATOM 498 C VAL A 129 53.840 66.765 150.846 1.00646.94 ATOM 499 O VAL A 129 53.057 66.648 149.907 1.00646.94 ATOM 500 CB VAL A 129 53.367 66.165 153.195 1.00646.94 ATOM 501 CG1 VAL A 129 52.972 66.678 154.577 1.00646.94 ATOM 502 CG2 VAL A 129 52.403 65.100 152.734 1.00646.94 ATOM 503 N GLY A 130 55.121 66.423 150.773 1.00646.94 ATOM 504 CA GLY A 130 55.678 65.875 149.550 1.00646.94 ATOM 505 C GLY A 130 56.412 64.593 149.869 1.00646.94 ATOM 506 O GLY A 130 56.248 64.059 150.969 1.00646.94 ATOM 507 N GLY A 131 57.210 64.095 148.926 1.00646.94 ATOM 508 CA GLY A 131 57.963 62.871 149.160 1.00646.94 ATOM 509 C GLY A 131 58.188 62.053 147.908 1.00646.94 ATOM 510 O GLY A 131 57.708 62.426 146.842 1.00646.94 ATOM 511 N GLU A 132 58.918 60.944 148.035 1.00646.94 ATOM 512 CA GLU A 132 59.211 60.049 146.911 1.00646.94 ATOM 513 C GLU A 132 57.970 59.814 146.059 1.00646.94 ATOM 514 O GLU A 132 56.910 59.472 146.581 1.00646.94 ATOM 515 CB GLU A 132 59.742 58.711 147.418 1.00646.94 ATOM 516 CG GLU A 132 60.350 57.860 146.331 1.00646.94 ATOM 517 CD GLU A 132 61.241 56.762 146.878 1.00646.94 ATOM 518 OE1 GLU A 132 62.128 57.064 147.713 1.00646.94 ATOM 519 OE2 GLU A 132 61.059 55.593 146.465 1.00646.94 ATOM 520 N LEU A 133 58.118 59.997 144.749 1.00646.94 ATOM 521 CA LEU A 133 57.017 59.847 143.797 1.00646.94 ATOM 522 C LEU A 133 56.937 58.422 143.259 1.00646.94 ATOM 523 O LEU A 133 57.309 58.155 142.121 1.00646.94 ATOM 524 CB LEU A 133 57.209 60.832 142.640 1.00646.94 ATOM 525 CG LEU A 133 55.958 61.430 141.999 1.00646.94 ATOM 526 CD1 LEU A 133 56.345 62.461 140.957 1.00646.94 ATOM 527 CD2 LEU A 133 55.144 60.339 141.376 1.00646.94 ATOM 528 N ILE A 134 56.431 57.516 144.090 1.00646.94 ATOM 529 CA ILE A 134 56.295 56.101 143.749 1.00646.94 ATOM 530 C ILE A 134 55.835 55.743 142.347 1.00646.94 ATOM 531 O ILE A 134 56.524 55.018 141.642 1.00646.94 ATOM 532 CB ILE A 134 55.359 55.420 144.726 1.00646.94 ATOM 533 CG1 ILE A 134 56.016 55.428 146.103 1.00646.94 ATOM 534 CG2 ILE A 134 55.020 54.019 144.238 1.00646.94 ATOM 535 CD1 ILE A 134 55.034 55.457 147.235 1.00646.94 ATOM 536 N CYS A 135 54.664 56.220 141.951 1.00646.94 ATOM 537 CA CYS A 135 54.162 55.912 140.624 1.00646.94 ATOM 538 C CYS A 135 53.060 56.843 140.121 1.00646.94 ATOM 539 O CYS A 135 52.757 57.867 140.722 1.00646.94 ATOM 540 CB CYS A 135 53.681 54.462 140.577 1.00646.94 ATOM 541 SG CYS A 135 52.285 54.114 141.636 1.00646.94 ATOM 542 N GLU A 136 52.450 56.457 139.009 1.00646.94 ATOM 543 CA GLU A 136 51.426 57.256 138.364 1.00646.94 ATOM 544 C GLU A 136 50.414 56.283 137.778 1.00646.94 ATOM 545 O GLU A 136 50.784 55.372 137.051 1.00646.94 ATOM 546 CB GLU A 136 52.116 58.073 137.275 1.00646.94 ATOM 547 CG GLU A 136 51.248 58.627 136.186 1.00646.94 ATOM 548 CD GLU A 136 52.069 59.042 134.966 1.00646.94 ATOM 549 OE1 GLU A 136 52.556 58.149 134.238 1.00646.94 ATOM 550 OE2 GLU A 136 52.235 60.262 134.742 1.00646.94 ATOM 551 N VAL A 137 49.137 56.464 138.095 1.00646.94 ATOM 552 CA VAL A 137 48.102 55.562 137.590 1.00646.94 ATOM 553 C VAL A 137 46.940 56.328 137.002 1.00646.94 ATOM 554 O VAL A 137 46.562 57.362 137.544 1.00646.94 ATOM 555 CB VAL A 137 47.508 54.702 138.710 1.00646.94 ATOM 556 CG1 VAL A 137 46.511 53.740 138.129 1.00646.94 ATOM 557 CG2 VAL A 137 48.588 53.964 139.448 1.00646.94 ATOM 558 N TRP A 138 46.373 55.823 135.908 1.00646.94 ATOM 559 CA TRP A 138 45.202 56.449 135.286 1.00646.94 ATOM 560 C TRP A 138 44.492 55.612 134.235 1.00646.94 ATOM 561 O TRP A 138 44.748 54.394 134.197 1.00646.94 ATOM 562 CB TRP A 138 45.510 57.849 134.720 1.00646.94 ATOM 563 CG TRP A 138 46.736 58.011 133.874 1.00646.94 ATOM 564 CD1 TRP A 138 47.930 58.594 134.242 1.00646.94 ATOM 565 CD2 TRP A 138 46.857 57.705 132.490 1.00646.94 ATOM 566 NE1 TRP A 138 48.780 58.675 133.158 1.00646.94 ATOM 567 CE2 TRP A 138 48.146 58.138 132.071 1.00646.94 ATOM 568 CE3 TRP A 138 46.007 57.109 131.560 1.00646.94 ATOM 569 CZ2 TRP A 138 48.589 57.995 130.775 1.00646.94 ATOM 570 CZ3 TRP A 138 46.446 56.962 130.278 1.00646.94 ATOM 571 CH2 TRP A 138 47.729 57.404 129.890 1.00646.94 TER