HEADER RIBOSOME 24-MAR-10 2X9S TITLE STRUCTURE OF THE 70S RIBOSOME BOUND TO RELEASE FACTOR 2 AND A TITLE 2 SUBSTRATE ANALOG PROVIDES INSIGHTS INTO CATALYSIS OF PEPTIDE RELEASE COMPND MOL_ID: 5; COMPND 2 MOLECULE: 50S RIBOSOMAL PROTEIN L31; COMPND 3 CHAIN: 4; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.10 ANGSTORMS DBREF 2X9S 4 1 71 UNP Q5SJE1 RL31_THET8 1 71 SEQRES 1 4 31 VAL PRO ALA ARG ILE ILE CYS GLY CYS GLY ASN VAL ILE SEQRES 2 4 31 GLU THR TYR SER THR LYS PRO GLU ILE TYR VAL GLU VAL SEQRES 3 4 31 CYS SER LYS CYS HIS ATOM 1 N VAL 4 10 -125.408 162.765 120.898 1.00162.43 ATOM 2 CA VAL 4 10 -126.716 163.226 120.341 1.00187.16 ATOM 3 C VAL 4 10 -127.514 162.067 119.729 1.00187.16 ATOM 4 O VAL 4 10 -126.957 161.006 119.448 1.00187.16 ATOM 5 CB VAL 4 10 -126.498 164.309 119.261 1.00189.19 ATOM 6 CG1 VAL 4 10 -125.680 165.455 119.837 1.00180.58 ATOM 7 CG2 VAL 4 10 -125.807 163.708 118.049 1.00179.19 ATOM 8 N PRO 4 11 -128.830 162.263 119.506 1.00200.41 ATOM 9 CA PRO 4 11 -129.698 161.229 118.928 1.00200.41 ATOM 10 C PRO 4 11 -129.364 160.872 117.484 1.00198.14 ATOM 11 O PRO 4 11 -128.619 161.587 116.813 1.00175.40 ATOM 12 CB PRO 4 11 -131.090 161.839 119.058 1.00171.46 ATOM 13 CG PRO 4 11 -130.821 163.281 118.852 1.00171.14 ATOM 14 CD PRO 4 11 -129.596 163.504 119.724 1.00149.44 ATOM 15 N ALA 4 12 -129.933 159.768 117.012 1.00125.09 ATOM 16 CA ALA 4 12 -129.691 159.309 115.653 1.00124.35 ATOM 17 C ALA 4 12 -130.722 158.276 115.199 1.00120.57 ATOM 18 O ALA 4 12 -131.454 157.701 116.014 1.00115.92 ATOM 19 CB ALA 4 12 -128.290 158.727 115.552 1.00168.19 ATOM 20 N ARG 4 13 -130.759 158.041 113.890 1.00 98.41 ATOM 21 CA ARG 4 13 -131.692 157.095 113.282 1.00102.38 ATOM 22 C ARG 4 13 -130.934 155.931 112.637 1.00103.68 ATOM 23 O ARG 4 13 -130.182 156.122 111.678 1.00 99.24 ATOM 24 CB ARG 4 13 -132.542 157.824 112.232 1.00119.40 ATOM 25 CG ARG 4 13 -133.305 159.037 112.779 1.00124.03 ATOM 26 CD ARG 4 13 -133.846 159.925 111.665 1.00128.35 ATOM 27 NE ARG 4 13 -134.615 159.166 110.685 1.00128.05 ATOM 28 CZ ARG 4 13 -135.672 158.418 110.980 1.00122.71 ATOM 29 NH1 ARG 4 13 -136.095 158.326 112.233 1.00115.35 ATOM 30 NH2 ARG 4 13 -136.303 157.756 110.021 1.00117.76 ATOM 31 N ILE 4 14 -131.141 154.727 113.165 1.00112.26 ATOM 32 CA ILE 4 14 -130.464 153.537 112.654 1.00107.04 ATOM 33 C ILE 4 14 -131.240 152.865 111.529 1.00103.31 ATOM 34 O ILE 4 14 -132.026 151.948 111.776 1.00100.71 ATOM 35 CB ILE 4 14 -130.253 152.472 113.760 1.00152.79 ATOM 36 CG1 ILE 4 14 -129.698 153.116 115.033 1.00150.58 ATOM 37 CG2 ILE 4 14 -129.301 151.397 113.261 1.00142.44 ATOM 38 CD1 ILE 4 14 -130.732 153.872 115.840 1.00140.22 ATOM 39 N ILE 4 15 -131.022 153.313 110.298 1.00151.51 ATOM 40 CA ILE 4 15 -131.717 152.717 109.165 1.00155.73 ATOM 41 C ILE 4 15 -131.073 151.361 108.890 1.00155.33 ATOM 42 O ILE 4 15 -129.880 151.175 109.126 1.00148.85 ATOM 43 CB ILE 4 15 -131.616 153.604 107.904 1.00188.94 ATOM 44 CG1 ILE 4 15 -131.922 155.065 108.259 1.00191.41 ATOM 45 CG2 ILE 4 15 -132.584 153.100 106.839 1.00185.05 ATOM 46 CD1 ILE 4 15 -133.292 155.295 108.864 1.00180.94 ATOM 47 N CYS 4 16 -131.861 150.413 108.396 1.00145.62 ATOM 48 CA CYS 4 16 -131.345 149.077 108.124 1.00147.57 ATOM 49 C CYS 4 16 -131.142 148.778 106.642 1.00147.95 ATOM 50 O CYS 4 16 -130.863 149.665 105.834 1.00149.67 ATOM 51 CB CYS 4 16 -132.287 148.020 108.718 1.00183.27 ATOM 52 SG CYS 4 16 -132.505 148.093 110.514 1.00172.89 ATOM 53 N GLY 4 17 -131.270 147.494 106.322 1.00136.75 ATOM 54 CA GLY 4 17 -131.138 147.000 104.966 1.00135.57 ATOM 55 C GLY 4 17 -132.283 146.022 104.783 1.00137.91 ATOM 56 O GLY 4 17 -132.460 145.417 103.724 1.00128.62 ATOM 57 N CYS 4 18 -133.059 145.870 105.855 1.00160.54 ATOM 58 CA CYS 4 18 -134.221 144.994 105.880 1.00163.75 ATOM 59 C CYS 4 18 -135.460 145.866 106.070 1.00167.43 ATOM 60 O CYS 4 18 -136.394 145.498 106.783 1.00163.48 ATOM 61 CB CYS 4 18 -134.107 143.986 107.029 1.00200.65 ATOM 62 SG CYS 4 18 -133.969 144.720 108.682 1.00200.65 ATOM 63 N GLY 4 19 -135.443 147.032 105.429 1.00188.69 ATOM 64 CA GLY 4 19 -136.554 147.963 105.512 1.00200.39 ATOM 65 C GLY 4 19 -136.676 148.656 106.855 1.00186.69 ATOM 66 O GLY 4 19 -136.861 149.871 106.928 1.00186.84 ATOM 67 N ASN 4 20 -136.565 147.871 107.919 1.00143.09 ATOM 68 CA ASN 4 20 -136.673 148.359 109.291 1.00146.38 ATOM 69 C ASN 4 20 -135.830 149.605 109.588 1.00161.36 ATOM 70 O ASN 4 20 -134.845 149.885 108.904 1.00170.89 ATOM 71 CB ASN 4 20 -136.286 147.229 110.246 1.00 76.27 ATOM 72 CG ASN 4 20 -136.804 147.442 111.654 1.00 77.41 ATOM 73 OD1 ASN 4 20 -136.666 146.563 112.507 1.00 64.57 ATOM 74 ND2 ASN 4 20 -137.406 148.604 111.908 1.00 81.60 ATOM 75 N VAL 4 21 -136.239 150.347 110.614 1.00113.17 ATOM 76 CA VAL 4 21 -135.545 151.559 111.041 1.00115.84 ATOM 77 C VAL 4 21 -135.683 151.756 112.554 1.00118.18 ATOM 78 O VAL 4 21 -136.789 151.720 113.101 1.00125.31 ATOM 79 CB VAL 4 21 -136.089 152.806 110.295 1.00119.37 ATOM 80 CG1 VAL 4 21 -135.661 154.086 111.008 1.00105.99 ATOM 81 CG2 VAL 4 21 -135.565 152.812 108.863 1.00114.54 ATOM 82 N ILE 4 22 -134.548 151.961 113.219 1.00111.34 ATOM 83 CA ILE 4 22 -134.516 152.150 114.665 1.00114.71 ATOM 84 C ILE 4 22 -134.236 153.601 115.082 1.00104.26 ATOM 85 O ILE 4 22 -133.505 154.332 114.404 1.00 96.86 ATOM 86 CB ILE 4 22 -133.444 151.241 115.318 1.00 86.96 ATOM 87 CG1 ILE 4 22 -133.675 149.779 114.922 1.00 72.61 ATOM 88 CG2 ILE 4 22 -133.484 151.389 116.832 1.00 78.12 ATOM 89 CD1 ILE 4 22 -133.160 149.426 113.549 1.00 57.99 ATOM 90 N GLU 4 23 -134.824 154.002 116.208 1.00192.49 ATOM 91 CA GLU 4 23 -134.656 155.349 116.743 1.00197.95 ATOM 92 C GLU 4 23 -134.024 155.343 118.131 1.00197.95 ATOM 93 O GLU 4 23 -134.700 155.119 119.137 1.00197.95 ATOM 94 CB GLU 4 23 -136.007 156.074 116.798 1.00142.47 ATOM 95 CG GLU 4 23 -136.462 156.650 115.459 1.00144.30 ATOM 96 CD GLU 4 23 -137.843 157.287 115.519 1.00151.98 ATOM 97 OE1 GLU 4 23 -138.840 156.545 115.651 1.00154.30 ATOM 98 OE2 GLU 4 23 -137.928 158.532 115.436 1.00141.00 ATOM 99 N THR 4 24 -132.719 155.586 118.177 1.00127.41 ATOM 100 CA THR 4 24 -131.996 155.627 119.439 1.00121.54 ATOM 101 C THR 4 24 -131.052 156.823 119.426 1.00116.61 ATOM 102 O THR 4 24 -131.393 157.875 118.889 1.00107.21 ATOM 103 CB THR 4 24 -131.196 154.331 119.672 1.00132.87 ATOM 104 OG1 THR 4 24 -130.262 154.140 118.603 1.00134.06 ATOM 105 CG2 THR 4 24 -132.136 153.139 119.742 1.00115.46 ATOM 106 N TYR 4 25 -129.869 156.667 120.011 1.00142.04 ATOM 107 CA TYR 4 25 -128.902 157.760 120.057 1.00141.22 ATOM 108 C TYR 4 25 -127.478 157.307 119.734 1.00141.77 ATOM 109 O TYR 4 25 -127.195 156.113 119.665 1.00139.03 ATOM 110 CB TYR 4 25 -128.907 158.418 121.444 1.00200.65 ATOM 111 CG TYR 4 25 -130.261 158.891 121.930 1.00200.65 ATOM 112 CD1 TYR 4 25 -131.243 157.982 122.331 1.00200.65 ATOM 113 CD2 TYR 4 25 -130.557 160.250 122.006 1.00200.65 ATOM 114 CE1 TYR 4 25 -132.484 158.418 122.799 1.00200.65 ATOM 115 CE2 TYR 4 25 -131.793 160.696 122.468 1.00200.65 ATOM 116 CZ TYR 4 25 -132.751 159.777 122.866 1.00200.65 ATOM 117 OH TYR 4 25 -133.967 160.216 123.342 1.00200.65 ATOM 118 N SER 4 26 -126.595 158.285 119.538 1.00145.05 ATOM 119 CA SER 4 26 -125.181 158.055 119.244 1.00142.06 ATOM 120 C SER 4 26 -124.578 159.293 118.593 1.00155.76 ATOM 121 O SER 4 26 -124.364 160.319 119.241 1.00151.25 ATOM 122 CB SER 4 26 -124.993 156.851 118.312 1.00114.87 ATOM 123 OG SER 4 26 -125.482 157.109 117.010 1.00121.32 ATOM 124 N THR 4 27 -124.307 159.181 117.301 1.00199.19 ATOM 125 CA THR 4 27 -123.735 160.263 116.522 1.00197.11 ATOM 126 C THR 4 27 -124.117 160.019 115.072 1.00197.98 ATOM 127 O THR 4 27 -124.557 158.921 114.725 1.00187.55 ATOM 128 CB THR 4 27 -122.204 160.280 116.647 1.00179.60 ATOM 129 OG1 THR 4 27 -121.701 158.945 116.506 1.00184.98 ATOM 130 CG2 THR 4 27 -121.787 160.840 117.995 1.00159.49 ATOM 131 N LYS 4 28 -123.957 161.040 114.232 1.00200.62 ATOM 132 CA LYS 4 28 -124.282 160.935 112.811 1.00200.62 ATOM 133 C LYS 4 28 -125.579 160.146 112.596 1.00200.62 ATOM 134 O LYS 4 28 -125.544 158.979 112.209 1.00200.62 ATOM 135 CB LYS 4 28 -123.116 160.265 112.075 1.00128.38 ATOM 136 CG LYS 4 28 -122.690 158.939 112.691 1.00118.98 ATOM 137 CD LYS 4 28 -121.302 158.505 112.256 1.00121.57 ATOM 138 CE LYS 4 28 -120.887 157.229 112.983 1.00109.72 ATOM 139 NZ LYS 4 28 -119.519 156.774 112.602 1.00106.72 ATOM 140 N PRO 4 29 -126.741 160.782 112.852 1.00200.65 ATOM 141 CA PRO 4 29 -128.086 160.206 112.714 1.00200.65 ATOM 142 C PRO 4 29 -128.418 159.529 111.383 1.00198.28 ATOM 143 O PRO 4 29 -129.398 159.886 110.728 1.00196.51 ATOM 144 CB PRO 4 29 -128.997 161.398 112.995 1.00128.55 ATOM 145 CG PRO 4 29 -128.215 162.168 114.003 1.00137.95 ATOM 146 CD PRO 4 29 -126.826 162.147 113.404 1.00135.84 ATOM 147 N GLU 4 30 -127.609 158.545 111.001 1.00200.64 ATOM 148 CA GLU 4 30 -127.802 157.795 109.760 1.00200.64 ATOM 149 C GLU 4 30 -127.056 156.467 109.835 1.00200.64 ATOM 150 O GLU 4 30 -125.862 156.438 110.126 1.00191.40 ATOM 151 CB GLU 4 30 -127.285 158.593 108.559 1.00200.65 ATOM 152 CG GLU 4 30 -128.103 159.824 108.212 1.00200.65 ATOM 153 CD GLU 4 30 -127.564 160.554 107.001 1.00200.65 ATOM 154 OE1 GLU 4 30 -127.472 159.928 105.924 1.00200.65 ATOM 155 OE2 GLU 4 30 -127.233 161.752 107.126 1.00200.65 ATOM 156 N ILE 4 31 -127.759 155.371 109.567 1.00200.65 ATOM 157 CA ILE 4 31 -127.150 154.045 109.616 1.00200.65 ATOM 158 C ILE 4 31 -127.663 153.149 108.483 1.00200.65 ATOM 159 O ILE 4 31 -128.763 153.349 107.974 1.00200.52 ATOM 160 CB ILE 4 31 -127.437 153.361 110.977 1.00164.95 ATOM 161 CG1 ILE 4 31 -126.931 154.240 112.127 1.00153.35 ATOM 162 CG2 ILE 4 31 -126.767 151.998 111.031 1.00153.09 ATOM 163 CD1 ILE 4 31 -125.427 154.457 112.143 1.00140.23 ATOM 164 N TYR 4 32 -126.857 152.164 108.094 1.00173.19 ATOM 165 CA TYR 4 32 -127.211 151.232 107.023 1.00173.68 ATOM 166 C TYR 4 32 -126.881 149.794 107.400 1.00180.04 ATOM 167 O TYR 4 32 -126.038 149.162 106.761 1.00179.46 ATOM 168 CB TYR 4 32 -126.451 151.585 105.742 1.00125.97 ATOM 169 CG TYR 4 32 -127.229 152.406 104.739 1.00145.21 ATOM 170 CD1 TYR 4 32 -126.593 152.947 103.623 1.00143.66 ATOM 171 CD2 TYR 4 32 -128.599 152.629 104.889 1.00142.36 ATOM 172 CE1 TYR 4 32 -127.295 153.688 102.681 1.00136.34 ATOM 173 CE2 TYR 4 32 -129.312 153.371 103.950 1.00149.90 ATOM 174 CZ TYR 4 32 -128.652 153.897 102.849 1.00143.46 ATOM 175 OH TYR 4 32 -129.339 154.635 101.913 1.00130.94 ATOM 176 N VAL 4 33 -127.544 149.275 108.428 1.00161.39 ATOM 177 CA VAL 4 33 -127.294 147.908 108.874 1.00155.94 ATOM 178 C VAL 4 33 -127.856 146.886 107.890 1.00158.24 ATOM 179 O VAL 4 33 -128.964 147.051 107.384 1.00158.95 ATOM 180 CB VAL 4 33 -127.927 147.643 110.256 1.00182.49 ATOM 181 CG1 VAL 4 33 -127.447 146.302 110.800 1.00173.14 ATOM 182 CG2 VAL 4 33 -127.585 148.773 111.209 1.00180.72 ATOM 183 N GLU 4 34 -127.088 145.835 107.619 1.00161.79 ATOM 184 CA GLU 4 34 -127.526 144.783 106.707 1.00163.02 ATOM 185 C GLU 4 34 -128.506 143.920 107.490 1.00160.09 ATOM 186 O GLU 4 34 -128.192 142.788 107.855 1.00154.08 ATOM 187 CB GLU 4 34 -126.339 143.926 106.257 1.00200.65 ATOM 188 CG GLU 4 34 -125.135 144.712 105.767 1.00200.65 ATOM 189 CD GLU 4 34 -124.511 145.556 106.860 1.00200.65 ATOM 190 OE1 GLU 4 34 -124.125 144.988 107.907 1.00200.65 ATOM 191 OE2 GLU 4 34 -124.410 146.787 106.671 1.00200.65 ATOM 192 N VAL 4 35 -129.691 144.468 107.743 1.00200.65 ATOM 193 CA VAL 4 35 -130.728 143.782 108.510 1.00200.65 ATOM 194 C VAL 4 35 -130.295 143.760 109.974 1.00200.65 ATOM 195 O VAL 4 35 -129.164 143.389 110.295 1.00200.65 ATOM 196 CB VAL 4 35 -130.953 142.323 108.019 1.00167.43 ATOM 197 CG1 VAL 4 35 -132.123 141.695 108.769 1.00161.07 ATOM 198 CG2 VAL 4 35 -131.211 142.306 106.517 1.00160.08 ATOM 199 N CYS 4 36 -131.198 144.176 110.854 1.00200.29 ATOM 200 CA CYS 4 36 -130.921 144.214 112.284 1.00200.29 ATOM 201 C CYS 4 36 -131.407 142.927 112.937 1.00192.81 ATOM 202 O CYS 4 36 -131.299 141.848 112.355 1.00185.15 ATOM 203 CB CYS 4 36 -131.641 145.405 112.913 1.00 98.03 ATOM 204 SG CYS 4 36 -133.431 145.345 112.701 1.00111.13 ATOM 205 N SER 4 37 -131.931 143.051 114.153 1.00107.04 ATOM 206 CA SER 4 37 -132.467 141.913 114.889 1.00114.14 ATOM 207 C SER 4 37 -133.729 141.477 114.152 1.00128.29 ATOM 208 O SER 4 37 -134.852 141.667 114.627 1.00129.33 ATOM 209 CB SER 4 37 -132.797 142.326 116.327 1.00 71.89 ATOM 210 OG SER 4 37 -133.502 143.556 116.351 1.00 75.01 ATOM 211 N LYS 4 38 -133.516 140.891 112.979 1.00102.21 ATOM 212 CA LYS 4 38 -134.593 140.440 112.114 1.00102.14 ATOM 213 C LYS 4 38 -134.167 139.147 111.418 1.00109.08 ATOM 214 O LYS 4 38 -134.531 138.909 110.270 1.00116.87 ATOM 215 CB LYS 4 38 -134.875 141.536 111.085 1.00104.68 ATOM 216 CG LYS 4 38 -136.220 141.464 110.400 1.00106.38 ATOM 217 CD LYS 4 38 -136.463 142.740 109.601 1.00105.74 ATOM 218 CE LYS 4 38 -137.864 142.790 109.009 1.00 95.40 ATOM 219 NZ LYS 4 38 -138.140 144.102 108.357 1.00 87.80 ATOM 220 N CYS 4 39 -133.385 138.325 112.121 1.00128.55 ATOM 221 CA CYS 4 39 -132.897 137.049 111.589 1.00128.09 ATOM 222 C CYS 4 39 -132.472 136.070 112.695 1.00125.39 ATOM 223 O CYS 4 39 -131.280 135.694 112.726 1.00118.32 ATOM 224 CB CYS 4 39 -131.717 137.286 110.633 1.00111.60 ATOM 225 SG CYS 4 39 -132.116 138.178 109.093 1.00149.17 ATOM 226 N HIS 4 40 -133.332 135.682 113.515 1.00 86.05 TER