HEADER RIBOSOME/ANTIBIOTIC 17-AUG-10 4V7X TITLE Structure of the Thermus thermophilus ribosome complexed with TITLE 2 erythromycin. COMPND MOL_ID: 26; COMPND 2 MOLECULE: 50S ribosomal protein L31; COMPND 3 CHAIN: B4, D4; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.00 ANGSTORMS DBREF 4V7X B 1 71 UNP Q5SJE1 RL31_THET8 1 71 SEQRES 1 B4 32 MET LYS GLU GLY ILE HIS PRO LYS LEU VAL PRO ALA ARG SEQRES 2 B4 32 ILE ILE CYS GLY CYS GLY ASN VAL ILE GLU THR TYR SER SEQRES 3 B4 32 THR LYS PRO GLU ILE TYR ATOM 1 N MET B 1 171.831 -15.604 -48.409 1.00150.66 ATOM 2 CA MET B 1 172.434 -16.923 -48.569 1.00144.15 ATOM 3 C MET B 1 171.621 -17.841 -49.500 1.00146.87 ATOM 4 O MET B 1 172.054 -18.948 -49.822 1.00144.23 ATOM 5 CB MET B 1 172.646 -17.573 -47.199 1.00107.15 ATOM 6 N LYS B 2 170.448 -17.375 -49.929 1.00135.25 ATOM 7 CA LYS B 2 169.636 -18.084 -50.921 1.00128.72 ATOM 8 C LYS B 2 168.664 -17.145 -51.610 1.00128.48 ATOM 9 O LYS B 2 167.762 -16.620 -50.966 1.00129.21 ATOM 10 CB LYS B 2 168.846 -19.212 -50.273 1.00159.15 ATOM 11 N GLU B 3 168.860 -16.942 -52.912 1.00152.72 ATOM 12 CA GLU B 3 167.981 -16.112 -53.745 1.00156.79 ATOM 13 C GLU B 3 168.221 -14.610 -53.590 1.00155.74 ATOM 14 O GLU B 3 169.294 -14.106 -53.923 1.00155.82 ATOM 15 CB GLU B 3 166.503 -16.442 -53.501 1.00153.72 ATOM 16 N GLY B 4 167.210 -13.900 -53.094 1.00134.94 ATOM 17 CA GLY B 4 167.291 -12.460 -52.949 1.00133.18 ATOM 18 C GLY B 4 166.510 -11.941 -51.764 1.00133.10 ATOM 19 O GLY B 4 165.690 -11.036 -51.901 1.00133.69 ATOM 20 N ILE B 5 166.764 -12.518 -50.595 1.00141.76 ATOM 21 CA ILE B 5 166.148 -12.045 -49.363 1.00141.91 ATOM 22 C ILE B 5 167.210 -11.504 -48.393 1.00146.16 ATOM 23 O ILE B 5 166.880 -10.884 -47.378 1.00142.77 ATOM 24 CB ILE B 5 165.312 -13.154 -48.689 1.00133.05 ATOM 25 N HIS B 6 168.482 -11.726 -48.724 1.00147.60 ATOM 26 CA HIS B 6 169.600 -11.328 -47.867 1.00143.92 ATOM 27 C HIS B 6 169.882 -9.819 -47.868 1.00143.31 ATOM 28 O HIS B 6 169.000 -9.014 -47.575 1.00140.39 ATOM 29 CB HIS B 6 170.863 -12.097 -48.258 1.00154.78 ATOM 30 N PRO B 7 171.130 -9.440 -48.180 1.00147.97 ATOM 31 CA PRO B 7 171.566 -8.040 -48.200 1.00145.19 ATOM 32 C PRO B 7 172.857 -7.851 -48.988 1.00148.56 ATOM 33 O PRO B 7 172.815 -7.833 -50.216 1.00152.12 ATOM 34 CB PRO B 7 171.803 -7.729 -46.725 1.00105.52 ATOM 35 N LYS B 8 173.989 -7.712 -48.303 1.00132.13 ATOM 36 CA LYS B 8 175.250 -7.465 -49.002 1.00133.30 ATOM 37 C LYS B 8 176.493 -7.936 -48.248 1.00133.10 ATOM 38 O LYS B 8 176.504 -8.997 -47.630 1.00132.29 ATOM 39 CB LYS B 8 175.384 -5.978 -49.338 1.00133.49 ATOM 40 N LEU B 9 177.545 -7.132 -48.323 1.00151.47 ATOM 41 CA LEU B 9 178.808 -7.441 -47.671 1.00151.70 ATOM 42 C LEU B 9 179.692 -6.205 -47.697 1.00151.14 ATOM 43 O LEU B 9 179.651 -5.381 -46.784 1.00151.46 ATOM 44 CB LEU B 9 179.514 -8.599 -48.380 1.00146.22 ATOM 45 N VAL B 10 180.483 -6.083 -48.758 1.00145.08 ATOM 46 CA VAL B 10 181.358 -4.932 -48.946 1.00146.38 ATOM 47 C VAL B 10 182.363 -4.793 -47.796 1.00145.26 ATOM 48 O VAL B 10 183.391 -5.470 -47.774 1.00142.31 ATOM 49 CB VAL B 10 180.544 -3.627 -49.112 1.00130.40 ATOM 50 N PRO B 11 182.068 -3.907 -46.839 1.00140.28 ATOM 51 CA PRO B 11 182.909 -3.737 -45.654 1.00139.38 ATOM 52 C PRO B 11 182.059 -3.699 -44.392 1.00144.44 ATOM 53 O PRO B 11 182.520 -3.196 -43.367 1.00141.77 ATOM 54 CB PRO B 11 183.569 -2.379 -45.891 1.00133.69 ATOM 55 N ALA B 12 180.834 -4.223 -44.483 1.00184.89 ATOM 56 CA ALA B 12 179.912 -4.301 -43.346 1.00188.88 ATOM 57 C ALA B 12 180.374 -5.376 -42.368 1.00187.33 ATOM 58 O ALA B 12 179.570 -5.975 -41.651 1.00186.31 ATOM 59 CB ALA B 12 178.462 -4.576 -43.824 1.00 83.30 ATOM 60 N ARG B 13 181.685 -5.598 -42.343 1.00157.00 ATOM 61 CA ARG B 13 182.282 -6.639 -41.528 1.00155.61 ATOM 62 C ARG B 13 183.537 -6.166 -40.781 1.00158.98 ATOM 63 O ARG B 13 183.451 -5.564 -39.707 1.00149.36 ATOM 64 CB ARG B 13 182.611 -7.849 -42.407 1.00134.61 ATOM 65 N ILE B 14 184.698 -6.436 -41.371 1.00184.44 ATOM 66 CA ILE B 14 185.980 -6.294 -40.677 1.00186.88 ATOM 67 C ILE B 14 186.551 -4.880 -40.627 1.00188.34 ATOM 68 O ILE B 14 187.760 -4.701 -40.466 1.00185.96 ATOM 69 CB ILE B 14 187.056 -7.223 -41.285 1.00145.94 ATOM 70 N ILE B 15 185.690 -3.878 -40.759 1.00187.64 ATOM 71 CA ILE B 15 186.132 -2.494 -40.630 1.00188.85 ATOM 72 C ILE B 15 186.440 -2.191 -39.166 1.00187.51 ATOM 73 O ILE B 15 185.638 -1.551 -38.481 1.00189.20 ATOM 74 CB ILE B 15 185.070 -1.500 -41.152 1.00176.39 ATOM 75 N CYS B 16 187.601 -2.656 -38.700 1.00159.38 ATOM 76 CA CYS B 16 187.997 -2.564 -37.288 1.00157.47 ATOM 77 C CYS B 16 187.336 -1.410 -36.528 1.00157.78 ATOM 78 O CYS B 16 186.370 -1.610 -35.787 1.00153.11 ATOM 79 CB CYS B 16 189.520 -2.474 -37.162 1.00167.36 ATOM 80 N GLY B 17 187.866 -0.205 -36.708 1.00185.48 ATOM 81 CA GLY B 17 187.266 0.974 -36.118 1.00185.90 ATOM 82 C GLY B 17 186.307 1.660 -37.076 1.00188.52 ATOM 83 O GLY B 17 186.702 2.588 -37.781 1.00188.78 ATOM 84 N CYS B 18 185.055 1.197 -37.114 1.00189.80 ATOM 85 CA CYS B 18 184.007 1.846 -37.905 1.00185.71 ATOM 86 C CYS B 18 183.658 3.188 -37.260 1.00186.96 ATOM 87 O CYS B 18 182.485 3.531 -37.090 1.00188.24 ATOM 88 CB CYS B 18 182.761 0.953 -38.011 1.00 86.51 ATOM 89 N GLY B 19 184.700 3.941 -36.915 1.00158.51 ATOM 90 CA GLY B 19 184.569 5.143 -36.117 1.00154.31 ATOM 91 C GLY B 19 184.399 4.774 -34.654 1.00158.24 ATOM 92 O GLY B 19 183.268 4.626 -34.198 1.00160.09 ATOM 93 N ASN B 20 185.508 4.606 -33.926 1.00158.74 ATOM 94 CA ASN B 20 185.466 4.324 -32.482 1.00154.97 ATOM 95 C ASN B 20 184.846 5.492 -31.723 1.00158.44 ATOM 96 O ASN B 20 185.068 5.668 -30.519 1.00153.36 ATOM 97 CB ASN B 20 186.861 4.008 -31.930 1.00137.76 ATOM 98 N VAL B 21 184.077 6.283 -32.471 1.00190.78 ATOM 99 CA VAL B 21 183.309 7.414 -31.968 1.00192.38 ATOM 100 C VAL B 21 181.823 7.279 -32.347 1.00191.72 ATOM 101 O VAL B 21 180.990 8.077 -31.906 1.00192.25 ATOM 102 CB VAL B 21 183.859 8.750 -32.515 1.00145.93 ATOM 103 N ILE B 22 181.499 6.272 -33.163 1.00165.87 ATOM 104 CA ILE B 22 180.109 5.949 -33.506 1.00159.45 ATOM 105 C ILE B 22 179.287 5.811 -32.224 1.00161.81 ATOM 106 O ILE B 22 178.055 5.867 -32.250 1.00159.93 ATOM 107 CB ILE B 22 179.997 4.646 -34.343 1.00 89.90 ATOM 108 N GLU B 23 179.999 5.626 -31.112 1.00152.45 ATOM 109 CA GLU B 23 179.436 5.615 -29.763 1.00151.94 ATOM 110 C GLU B 23 180.522 5.175 -28.784 1.00150.06 ATOM 111 O GLU B 23 180.287 5.092 -27.580 1.00147.15 ATOM 112 CB GLU B 23 178.221 4.688 -29.669 1.00157.50 ATOM 113 N THR B 24 181.703 4.899 -29.336 1.00158.74 ATOM 114 CA THR B 24 182.894 4.474 -28.596 1.00160.18 ATOM 115 C THR B 24 183.056 2.962 -28.625 1.00158.41 ATOM 116 O THR B 24 182.269 2.232 -28.023 1.00158.77 ATOM 117 CB THR B 24 182.910 4.977 -27.142 1.00161.34 ATOM 118 N TYR B 25 184.087 2.505 -29.331 1.00155.34 ATOM 119 CA TYR B 25 184.337 1.075 -29.516 1.00157.38 ATOM 120 C TYR B 25 184.733 0.395 -28.205 1.00160.39 ATOM 121 O TYR B 25 183.998 0.440 -27.214 1.00156.68 ATOM 122 CB TYR B 25 185.431 0.861 -30.572 1.00124.70 ATOM 123 N SER B 26 185.897 -0.248 -28.212 1.00171.40 ATOM 124 CA SER B 26 186.540 -0.658 -26.975 1.00170.20 ATOM 125 C SER B 26 187.113 0.610 -26.355 1.00170.37 ATOM 126 O SER B 26 188.071 0.571 -25.586 1.00170.32 ATOM 127 CB SER B 26 187.649 -1.674 -27.248 1.00167.86 ATOM 128 N THR B 27 186.515 1.740 -26.725 1.00172.56 ATOM 129 CA THR B 27 186.910 3.044 -26.223 1.00168.75 ATOM 130 C THR B 27 186.552 3.172 -24.748 1.00168.51 ATOM 131 O THR B 27 187.223 2.602 -23.891 1.00170.78 ATOM 132 CB THR B 27 186.241 4.182 -27.025 1.00151.69 ATOM 133 N LYS B 28 185.488 3.905 -24.451 1.00165.80 ATOM 134 CA LYS B 28 185.140 4.194 -23.063 1.00170.30 ATOM 135 C LYS B 28 184.370 3.061 -22.381 1.00169.92 ATOM 136 O LYS B 28 183.878 2.149 -23.047 1.00169.27 ATOM 137 CB LYS B 28 184.358 5.507 -22.969 1.00185.65 ATOM 138 N PRO B 29 184.267 3.129 -21.042 1.00159.96 ATOM 139 CA PRO B 29 183.659 2.221 -20.060 1.00158.51 ATOM 140 C PRO B 29 184.328 0.846 -20.056 1.00162.26 ATOM 141 O PRO B 29 183.642 -0.169 -19.897 1.00160.43 ATOM 142 CB PRO B 29 182.206 2.114 -20.534 1.00146.25 ATOM 143 N GLU B 30 185.653 0.827 -20.219 1.00177.44 ATOM 144 CA GLU B 30 186.428 -0.414 -20.273 1.00175.64 ATOM 145 C GLU B 30 186.299 -1.224 -18.987 1.00179.00 ATOM 146 O GLU B 30 187.015 -2.205 -18.797 1.00179.97 ATOM 147 CB GLU B 30 187.908 -0.120 -20.554 1.00143.30 ATOM 148 N ILE B 31 185.381 -0.803 -18.118 1.00195.33 ATOM 149 CA ILE B 31 185.157 -1.429 -16.814 1.00197.11 ATOM 150 C ILE B 31 186.197 -0.988 -15.776 1.00199.28 ATOM 151 O ILE B 31 186.588 -1.770 -14.904 1.00199.70 ATOM 152 CB ILE B 31 185.100 -2.975 -16.903 1.00171.24 ATOM 153 N TYR B 32 186.630 0.270 -15.874 1.00197.76 ATOM 154 CA TYR B 32 187.604 0.844 -14.947 1.00194.17 ATOM 155 C TYR B 32 187.024 2.040 -14.198 1.00196.54 ATOM 156 O TYR B 32 186.247 1.882 -13.257 1.00197.28 ATOM 157 CB TYR B 32 188.869 1.273 -15.693 1.00 95.30 TER