HEADER RIBOSOME 30-APR-09 2WH4 TITLE INSIGHTS INTO TRANSLATIONAL TERMINATION FROM THE STRUCTURE OF RF2 TITLE 2 BOUND TO THE RIBOSOME COMPND MOL_ID: 5; COMPND 2 MOLECULE: 50S RIBOSOMAL PROTEIN L31; COMPND 3 CHAIN: 4; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.45 ANGSTORMS DBREF 2WH4 4 36 65 UNP Q5SJE1 RL31_THET8 10 39 SEQRES 1 4 30 VAL PRO ALA ARG ILE ILE CYS GLY CYS GLY ASN VAL ILE SEQRES 2 4 30 GLU THR TYR SER THR LYS PRO GLU ILE TYR VAL GLU VAL SEQRES 3 4 30 CYS SER LYS CYS ATOM 1 N VAL 4 36 -178.649 4.948 57.314 1.00115.52 ATOM 2 CA VAL 4 36 -179.464 6.100 57.793 1.00117.97 ATOM 3 C VAL 4 36 -180.466 6.544 56.733 1.00118.82 ATOM 4 O VAL 4 36 -180.263 6.303 55.543 1.00117.43 ATOM 5 CB VAL 4 36 -178.571 7.289 58.133 1.00135.40 ATOM 6 CG1 VAL 4 36 -177.553 6.878 59.170 1.00135.31 ATOM 7 CG2 VAL 4 36 -177.883 7.789 56.879 1.00133.59 ATOM 8 N PRO 4 37 -181.558 7.208 57.152 1.00187.76 ATOM 9 CA PRO 4 37 -182.607 7.694 56.247 1.00187.76 ATOM 10 C PRO 4 37 -182.113 8.713 55.224 1.00187.76 ATOM 11 O PRO 4 37 -182.156 9.922 55.454 1.00187.76 ATOM 12 CB PRO 4 37 -183.636 8.286 57.204 1.00119.08 ATOM 13 CG PRO 4 37 -182.789 8.783 58.320 1.00119.30 ATOM 14 CD PRO 4 37 -181.835 7.633 58.533 1.00117.00 ATOM 15 N ALA 4 38 -181.652 8.209 54.086 1.00200.24 ATOM 16 CA ALA 4 38 -181.141 9.060 53.025 1.00200.24 ATOM 17 C ALA 4 38 -182.262 9.826 52.335 1.00200.24 ATOM 18 O ALA 4 38 -183.346 9.289 52.103 1.00200.24 ATOM 19 CB ALA 4 38 -180.381 8.216 52.008 1.00200.79 ATOM 20 N ARG 4 39 -181.989 11.087 52.013 1.00 94.76 ATOM 21 CA ARG 4 39 -182.959 11.932 51.336 1.00 96.76 ATOM 22 C ARG 4 39 -182.292 12.731 50.222 1.00 95.91 ATOM 23 O ARG 4 39 -181.824 13.850 50.432 1.00 96.06 ATOM 24 CB ARG 4 39 -183.625 12.873 52.339 1.00200.79 ATOM 25 CG ARG 4 39 -184.291 12.147 53.496 1.00200.79 ATOM 26 CD ARG 4 39 -185.248 13.056 54.249 1.00200.79 ATOM 27 NE ARG 4 39 -186.330 13.536 53.391 1.00200.79 ATOM 28 CZ ARG 4 39 -187.363 14.255 53.819 1.00200.79 ATOM 29 NH1 ARG 4 39 -187.463 14.581 55.100 1.00200.79 ATOM 30 NH2 ARG 4 39 -188.297 14.649 52.964 1.00200.79 ATOM 31 N ILE 4 40 -182.244 12.137 49.036 1.00128.69 ATOM 32 CA ILE 4 40 -181.638 12.782 47.886 1.00127.91 ATOM 33 C ILE 4 40 -182.558 13.865 47.348 1.00130.05 ATOM 34 O ILE 4 40 -183.620 13.575 46.801 1.00131.72 ATOM 35 CB ILE 4 40 -181.349 11.764 46.762 1.00143.44 ATOM 36 CG1 ILE 4 40 -180.140 10.907 47.133 1.00140.82 ATOM 37 CG2 ILE 4 40 -181.078 12.484 45.456 1.00143.56 ATOM 38 CD1 ILE 4 40 -180.345 10.059 48.355 1.00140.55 ATOM 39 N ILE 4 41 -182.139 15.115 47.509 1.00178.54 ATOM 40 CA ILE 4 41 -182.914 16.256 47.042 1.00180.51 ATOM 41 C ILE 4 41 -182.496 16.619 45.623 1.00179.84 ATOM 42 O ILE 4 41 -181.749 17.574 45.415 1.00179.74 ATOM 43 CB ILE 4 41 -182.686 17.481 47.943 1.00159.44 ATOM 44 CG1 ILE 4 41 -182.872 17.091 49.410 1.00159.57 ATOM 45 CG2 ILE 4 41 -183.642 18.592 47.556 1.00161.88 ATOM 46 CD1 ILE 4 41 -184.241 16.534 49.737 1.00161.71 ATOM 47 N CYS 4 42 -182.979 15.853 44.651 1.00152.01 ATOM 48 CA CYS 4 42 -182.640 16.097 43.255 1.00151.36 ATOM 49 C CYS 4 42 -183.205 17.429 42.786 1.00153.59 ATOM 50 O CYS 4 42 -184.240 17.883 43.273 1.00155.70 ATOM 51 CB CYS 4 42 -183.184 14.977 42.371 1.00173.07 ATOM 52 SG CYS 4 42 -184.979 14.930 42.293 1.00173.07 ATOM 53 N GLY 4 43 -182.520 18.045 41.830 1.00183.55 ATOM 54 CA GLY 4 43 -182.957 19.323 41.309 1.00183.55 ATOM 55 C GLY 4 43 -183.920 19.220 40.144 1.00183.55 ATOM 56 O GLY 4 43 -183.614 19.670 39.040 1.00183.55 ATOM 57 N CYS 4 44 -185.079 18.616 40.379 1.00 93.35 ATOM 58 CA CYS 4 44 -186.091 18.494 39.340 1.00 94.70 ATOM 59 C CYS 4 44 -187.447 18.218 39.973 1.00 96.61 ATOM 60 O CYS 4 44 -188.388 17.816 39.293 1.00 97.81 ATOM 61 CB CYS 4 44 -185.732 17.391 38.340 1.00104.51 ATOM 62 SG CYS 4 44 -186.110 15.724 38.872 1.00102.31 ATOM 63 N GLY 4 45 -187.532 18.440 41.283 1.00165.21 ATOM 64 CA GLY 4 45 -188.778 18.240 42.003 1.00167.19 ATOM 65 C GLY 4 45 -189.028 16.842 42.532 1.00166.25 ATOM 66 O GLY 4 45 -190.007 16.200 42.152 1.00167.62 ATOM 67 N ASN 4 46 -188.156 16.367 43.416 1.00168.23 ATOM 68 CA ASN 4 46 -188.307 15.034 43.990 1.00168.23 ATOM 69 C ASN 4 46 -187.400 14.869 45.201 1.00168.23 ATOM 70 O ASN 4 46 -186.384 15.551 45.330 1.00168.23 ATOM 71 CB ASN 4 46 -187.971 13.959 42.945 1.00200.35 ATOM 72 CG ASN 4 46 -188.318 12.548 43.412 1.00200.35 ATOM 73 OD1 ASN 4 46 -187.906 11.560 42.800 1.00200.35 ATOM 74 ND2 ASN 4 46 -189.087 12.450 44.491 1.00200.35 ATOM 75 N VAL 4 47 -187.782 13.956 46.086 1.00141.16 ATOM 76 CA VAL 4 47 -187.026 13.667 47.295 1.00140.19 ATOM 77 C VAL 4 47 -187.263 12.213 47.676 1.00139.63 ATOM 78 O VAL 4 47 -188.252 11.902 48.337 1.00141.27 ATOM 79 CB VAL 4 47 -187.490 14.555 48.454 1.00 48.11 ATOM 80 CG1 VAL 4 47 -186.751 14.186 49.717 1.00 46.99 ATOM 81 CG2 VAL 4 47 -187.258 16.005 48.112 1.00 48.94 ATOM 82 N ILE 4 48 -186.366 11.322 47.261 1.00 66.97 ATOM 83 CA ILE 4 48 -186.534 9.911 47.575 1.00 66.26 ATOM 84 C ILE 4 48 -186.079 9.607 49.002 1.00 65.39 ATOM 85 O ILE 4 48 -185.153 10.230 49.517 1.00 64.34 ATOM 86 CB ILE 4 48 -185.775 8.994 46.581 1.00147.81 ATOM 87 CG1 ILE 4 48 -186.111 9.370 45.134 1.00148.21 ATOM 88 CG2 ILE 4 48 -186.196 7.544 46.798 1.00147.70 ATOM 89 CD1 ILE 4 48 -185.430 10.619 44.648 1.00147.12 ATOM 90 N GLU 4 49 -186.743 8.638 49.625 1.00141.50 ATOM 91 CA GLU 4 49 -186.461 8.250 51.000 1.00140.68 ATOM 92 C GLU 4 49 -185.671 6.949 51.084 1.00138.41 ATOM 93 O GLU 4 49 -186.020 6.062 51.857 1.00138.52 ATOM 94 CB GLU 4 49 -187.783 8.084 51.754 1.00183.04 ATOM 95 CG GLU 4 49 -187.682 8.107 53.270 1.00184.44 ATOM 96 CD GLU 4 49 -187.626 9.514 53.820 1.00186.18 ATOM 97 OE1 GLU 4 49 -186.620 10.208 53.568 1.00185.53 ATOM 98 OE2 GLU 4 49 -188.594 9.927 54.495 1.00187.18 ATOM 99 N THR 4 50 -184.608 6.829 50.299 1.00111.31 ATOM 100 CA THR 4 50 -183.808 5.611 50.325 1.00109.00 ATOM 101 C THR 4 50 -183.036 5.516 51.637 1.00108.06 ATOM 102 O THR 4 50 -183.556 5.839 52.701 1.00109.42 ATOM 103 CB THR 4 50 -182.801 5.571 49.159 1.00188.48 ATOM 104 OG1 THR 4 50 -183.445 6.005 47.958 1.00188.48 ATOM 105 CG2 THR 4 50 -182.289 4.152 48.945 1.00188.48 ATOM 106 N TYR 4 51 -181.788 5.076 51.543 1.00131.01 ATOM 107 CA TYR 4 51 -180.918 4.922 52.697 1.00129.97 ATOM 108 C TYR 4 51 -179.479 4.982 52.204 1.00127.67 ATOM 109 O TYR 4 51 -179.149 4.381 51.185 1.00125.93 ATOM 110 CB TYR 4 51 -181.191 3.577 53.367 1.00149.38 ATOM 111 CG TYR 4 51 -181.799 3.693 54.742 1.00151.61 ATOM 112 CD1 TYR 4 51 -181.036 3.450 55.882 1.00151.78 ATOM 113 CD2 TYR 4 51 -183.132 4.051 54.908 1.00153.58 ATOM 114 CE1 TYR 4 51 -181.588 3.559 57.158 1.00153.84 ATOM 115 CE2 TYR 4 51 -183.695 4.164 56.178 1.00155.66 ATOM 116 CZ TYR 4 51 -182.917 3.915 57.298 1.00155.78 ATOM 117 OH TYR 4 51 -183.464 4.020 58.555 1.00157.87 ATOM 118 N SER 4 52 -178.625 5.711 52.913 1.00 72.10 ATOM 119 CA SER 4 52 -177.225 5.829 52.512 1.00 70.08 ATOM 120 C SER 4 52 -176.355 6.354 53.642 1.00 70.28 ATOM 121 O SER 4 52 -176.527 5.979 54.800 1.00 71.56 ATOM 122 CB SER 4 52 -177.108 6.768 51.316 1.00 98.98 ATOM 123 OG SER 4 52 -177.796 6.249 50.197 1.00 96.82 ATOM 124 N THR 4 53 -175.405 7.210 53.286 1.00 88.73 ATOM 125 CA THR 4 53 -174.524 7.841 54.256 1.00 88.85 ATOM 126 C THR 4 53 -174.720 9.347 54.052 1.00 90.62 ATOM 127 O THR 4 53 -174.636 9.848 52.931 1.00 90.83 ATOM 128 CB THR 4 53 -173.064 7.452 54.013 1.00120.91 ATOM 129 OG1 THR 4 53 -172.635 7.965 52.749 1.00119.98 ATOM 130 CG2 THR 4 53 -172.924 5.947 53.998 1.00119.30 ATOM 131 N LYS 4 54 -174.999 10.062 55.136 1.00174.76 ATOM 132 CA LYS 4 54 -175.251 11.499 55.074 1.00176.65 ATOM 133 C LYS 4 54 -176.608 11.704 54.408 1.00178.39 ATOM 134 O LYS 4 54 -176.685 11.931 53.202 1.00178.03 ATOM 135 CB LYS 4 54 -174.176 12.220 54.253 1.00194.87 ATOM 136 CG LYS 4 54 -172.749 12.032 54.742 1.00194.87 ATOM 137 CD LYS 4 54 -172.072 10.854 54.067 1.00194.67 ATOM 138 CE LYS 4 54 -170.603 10.780 54.439 1.00192.63 ATOM 139 NZ LYS 4 54 -169.910 9.694 53.698 1.00190.51 ATOM 140 N PRO 4 55 -177.699 11.626 55.190 1.00157.59 ATOM 141 CA PRO 4 55 -179.073 11.793 54.703 1.00159.44 ATOM 142 C PRO 4 55 -179.296 12.995 53.786 1.00160.31 ATOM 143 O PRO 4 55 -180.310 13.072 53.090 1.00161.36 ATOM 144 CB PRO 4 55 -179.878 11.892 55.993 1.00116.26 ATOM 145 CG PRO 4 55 -179.124 10.987 56.907 1.00115.04 ATOM 146 CD PRO 4 55 -177.693 11.386 56.644 1.00112.95 ATOM 147 N GLU 4 56 -178.351 13.928 53.788 1.00 73.56 ATOM 148 CA GLU 4 56 -178.456 15.116 52.952 1.00 74.29 ATOM 149 C GLU 4 56 -177.595 14.981 51.701 1.00 72.29 ATOM 150 O GLU 4 56 -176.406 15.287 51.720 1.00 71.19 ATOM 151 CB GLU 4 56 -178.030 16.354 53.745 1.00200.79 ATOM 152 CG GLU 4 56 -178.877 16.637 54.983 1.00200.79 ATOM 153 CD GLU 4 56 -180.298 17.063 54.649 1.00200.79 ATOM 154 OE1 GLU 4 56 -181.007 16.299 53.960 1.00200.79 ATOM 155 OE2 GLU 4 56 -180.708 18.163 55.079 1.00200.79 ATOM 156 N ILE 4 57 -178.203 14.524 50.613 1.00 81.60 ATOM 157 CA ILE 4 57 -177.487 14.353 49.358 1.00 79.86 ATOM 158 C ILE 4 57 -178.055 15.269 48.284 1.00 81.12 ATOM 159 O ILE 4 57 -179.137 15.012 47.763 1.00 82.22 ATOM 160 CB ILE 4 57 -177.595 12.903 48.860 1.00 88.83 ATOM 161 CG1 ILE 4 57 -177.068 11.945 49.926 1.00 87.54 ATOM 162 CG2 ILE 4 57 -176.811 12.737 47.576 1.00 87.13 ATOM 163 CD1 ILE 4 57 -175.618 12.170 50.291 1.00 85.54 ATOM 164 N TYR 4 58 -177.335 16.336 47.954 1.00107.03 ATOM 165 CA TYR 4 58 -177.800 17.260 46.926 1.00108.18 ATOM 166 C TYR 4 58 -177.452 16.732 45.544 1.00106.69 ATOM 167 O TYR 4 58 -176.280 16.630 45.187 1.00104.72 ATOM 168 CB TYR 4 58 -177.169 18.641 47.100 1.00180.65 ATOM 169 CG TYR 4 58 -177.559 19.348 48.374 1.00182.65 ATOM 170 CD1 TYR 4 58 -176.992 18.991 49.595 1.00182.19 ATOM 171 CD2 TYR 4 58 -178.498 20.378 48.359 1.00185.05 ATOM 172 CE1 TYR 4 58 -177.350 19.644 50.774 1.00184.05 ATOM 173 CE2 TYR 4 58 -178.863 21.036 49.531 1.00186.92 ATOM 174 CZ TYR 4 58 -178.285 20.664 50.733 1.00186.41 ATOM 175 OH TYR 4 58 -178.643 21.308 51.893 1.00188.30 ATOM 176 N VAL 4 59 -178.477 16.394 44.773 1.00128.02 ATOM 177 CA VAL 4 59 -178.291 15.880 43.423 1.00126.84 ATOM 178 C VAL 4 59 -179.323 16.556 42.535 1.00128.55 ATOM 179 O VAL 4 59 -179.927 17.550 42.936 1.00130.23 ATOM 180 CB VAL 4 59 -178.504 14.353 43.373 1.00150.76 ATOM 181 CG1 VAL 4 59 -178.036 13.800 42.039 1.00148.73 ATOM 182 CG2 VAL 4 59 -177.754 13.691 44.510 1.00150.09 ATOM 183 N GLU 4 60 -179.526 16.027 41.334 1.00170.55 ATOM 184 CA GLU 4 60 -180.502 16.600 40.420 1.00170.55 ATOM 185 C GLU 4 60 -180.905 15.621 39.331 1.00170.55 ATOM 186 O GLU 4 60 -180.691 14.416 39.451 1.00170.55 ATOM 187 CB GLU 4 60 -179.948 17.873 39.775 1.00103.47 ATOM 188 CG GLU 4 60 -178.910 17.635 38.688 1.00101.10 ATOM 189 CD GLU 4 60 -177.684 16.897 39.187 1.00 98.99 ATOM 190 OE1 GLU 4 60 -177.040 17.383 40.139 1.00 99.39 ATOM 191 OE2 GLU 4 60 -177.356 15.834 38.622 1.00 96.96 ATOM 192 N VAL 4 61 -181.495 16.168 38.272 1.00181.63 ATOM 193 CA VAL 4 61 -181.949 15.402 37.121 1.00181.63 ATOM 194 C VAL 4 61 -181.882 13.893 37.339 1.00181.63 ATOM 195 O VAL 4 61 -180.974 13.223 36.851 1.00181.63 ATOM 196 CB VAL 4 61 -181.125 15.772 35.863 1.00187.47 ATOM 197 CG1 VAL 4 61 -181.718 15.110 34.631 1.00187.47 ATOM 198 CG2 VAL 4 61 -181.096 17.283 35.689 1.00187.47 ATOM 199 N CYS 4 62 -182.840 13.368 38.094 1.00146.51 ATOM 200 CA CYS 4 62 -182.903 11.939 38.361 1.00145.77 ATOM 201 C CYS 4 62 -183.800 11.281 37.312 1.00146.74 ATOM 202 O CYS 4 62 -183.723 11.621 36.132 1.00146.77 ATOM 203 CB CYS 4 62 -183.452 11.692 39.765 1.00111.48 ATOM 204 SG CYS 4 62 -185.041 12.475 40.083 1.00114.60 ATOM 205 N SER 4 63 -184.649 10.347 37.731 1.00 91.24 ATOM 206 CA SER 4 63 -185.535 9.671 36.791 1.00 92.15 ATOM 207 C SER 4 63 -186.922 10.294 36.806 1.00 94.94 ATOM 208 O SER 4 63 -187.913 9.623 36.531 1.00 96.01 ATOM 209 CB SER 4 63 -185.640 8.186 37.130 1.00119.29 ATOM 210 OG SER 4 63 -186.247 8.005 38.394 1.00120.39 ATOM 211 N LYS 4 64 -186.986 11.583 37.126 1.00121.10 ATOM 212 CA LYS 4 64 -188.256 12.296 37.177 1.00123.82 ATOM 213 C LYS 4 64 -188.410 13.212 35.967 1.00124.51 ATOM 214 O LYS 4 64 -189.138 14.202 36.017 1.00126.72 ATOM 215 CB LYS 4 64 -188.343 13.125 38.461 1.00137.35 ATOM 216 CG LYS 4 64 -189.752 13.590 38.823 1.00140.28 ATOM 217 CD LYS 4 64 -190.498 12.569 39.687 1.00141.38 ATOM 218 CE LYS 4 64 -190.734 11.248 38.969 1.00141.13 ATOM 219 NZ LYS 4 64 -191.418 10.252 39.843 1.00142.27 ATOM 220 N CYS 4 65 -187.715 12.877 34.884 1.00177.21 ATOM 221 CA CYS 4 65 -187.770 13.653 33.647 1.00177.67 ATOM 222 C CYS 4 65 -186.796 13.138 32.580 1.00175.76 ATOM 223 O CYS 4 65 -187.262 12.585 31.560 1.00176.46 ATOM 224 CB CYS 4 65 -187.495 15.135 33.943 1.00134.64 ATOM 225 SG CYS 4 65 -186.210 15.455 35.176 1.00132.49 ATOM 226 OXT CYS 4 65 -185.574 13.278 32.770 1.00 50.96 TER