HEADER RIBOSOME 18-MAR-01 1I97 TITLE CRYSTAL STRUCTURE OF THE 30S RIBOSOMAL SUBUNIT FROM THERMUS TITLE 2 THERMOPHILUS IN COMPLEX WITH TETRACYCLINE COMPND MOL_ID: 20; COMPND 2 MOLECULE: 30S RIBOSOMAL PROTEIN S20; COMPND 3 CHAIN: T; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 4.50 ANGSTORMS DBREF 1I97 T 2 106 GB 11125386 CAC15067 2 106 SEQRES 1 T 99 ARG ASN LEU SER ALA LEU LYS ARG HIS ARG GLN SER LEU SEQRES 2 T 99 LYS ARG ARG LEU ARG ASN LYS ALA LYS LYS SER ALA ILE SEQRES 3 T 99 LYS THR LEU SER LYS LYS ALA ILE GLN LEU ALA GLN GLU SEQRES 4 T 99 GLY LYS ALA GLU GLU ALA LEU LYS ILE MET ARG LYS ALA SEQRES 5 T 99 GLU SER LEU ILE ASP LYS ALA ALA LYS GLY SER THR LEU SEQRES 6 T 99 HIS LYS ASN ALA ALA ALA ARG ARG LYS SER ARG LEU MET SEQRES 7 T 99 ARG LYS VAL ARG GLN LEU LEU GLU ALA ALA GLY ALA PRO SEQRES 8 T 99 LEU ILE GLY GLY GLY LEU SER ALA ATOM 1 CA ARG T 7 78.429 179.776 161.149 1.00127.03 ATOM 2 CA ASN T 8 81.854 181.403 160.678 1.00139.20 ATOM 3 CA LEU T 9 85.198 179.593 160.240 1.00 94.77 ATOM 4 CA SER T 10 87.219 182.115 158.214 1.00 80.95 ATOM 5 CA ALA T 11 88.255 179.302 155.932 1.00100.82 ATOM 6 CA LEU T 12 86.546 181.658 153.510 1.00 78.76 ATOM 7 CA LYS T 13 89.626 183.647 154.345 1.00 80.81 ATOM 8 CA ARG T 14 91.517 181.854 151.623 1.00 70.48 ATOM 9 CA HIS T 15 88.718 183.043 149.399 1.00 72.19 ATOM 10 CA ARG T 16 90.019 186.600 149.791 1.00 67.40 ATOM 11 CA GLN T 17 93.556 185.935 148.736 1.00 78.38 ATOM 12 CA SER T 18 92.842 183.561 145.861 1.00 76.70 ATOM 13 CA LEU T 19 90.676 186.156 144.184 1.00 78.38 ATOM 14 CA LYS T 20 93.438 188.725 144.892 1.00 80.47 ATOM 15 CA ARG T 21 95.789 186.155 143.435 1.00 69.16 ATOM 16 CA ARG T 22 93.190 185.302 140.839 1.00 83.89 ATOM 17 CA LEU T 23 93.791 188.656 139.111 1.00 94.38 ATOM 18 CA ARG T 24 97.474 188.071 139.721 1.00 97.97 ATOM 19 CA ASN T 25 97.442 185.000 137.491 1.00 78.92 ATOM 20 CA LYS T 26 94.403 185.582 135.251 1.00 89.94 ATOM 21 CA ALA T 27 96.400 188.557 134.050 1.00 74.29 ATOM 22 CA LYS T 28 100.105 187.648 133.982 1.00 77.74 ATOM 23 CA LYS T 29 99.117 184.758 131.750 1.00 81.74 ATOM 24 CA SER T 30 97.371 187.114 129.361 1.00 90.46 ATOM 25 CA ALA T 31 100.287 189.523 129.241 1.00 69.68 ATOM 26 CA ILE T 32 102.747 186.820 128.416 1.00 75.25 ATOM 27 CA LYS T 33 100.248 185.253 126.017 1.00 85.39 ATOM 28 CA THR T 34 99.555 188.427 124.036 1.00 85.48 ATOM 29 CA LEU T 35 103.137 189.602 123.848 1.00 81.51 ATOM 30 CA SER T 36 103.538 186.184 122.240 1.00 80.18 ATOM 31 CA LYS T 37 100.911 186.904 119.618 1.00 87.83 ATOM 32 CA LYS T 38 102.153 190.459 119.137 1.00108.27 ATOM 33 CA ALA T 39 105.393 188.743 118.152 1.00 92.28 ATOM 34 CA ILE T 40 103.448 186.053 116.299 1.00 82.88 ATOM 35 CA GLN T 41 102.204 188.584 113.774 1.00106.33 ATOM 36 CA LEU T 42 105.477 190.248 112.736 1.00103.28 ATOM 37 CA ALA T 43 107.617 187.231 111.864 1.00 96.95 ATOM 38 CA GLN T 44 104.634 185.759 110.048 1.00109.83 ATOM 39 CA GLU T 45 104.136 188.623 107.583 1.00119.18 ATOM 40 CA GLY T 46 107.758 189.637 107.408 1.00106.25 ATOM 41 CA LYS T 47 109.450 192.485 109.220 1.00103.32 ATOM 42 CA ALA T 48 112.722 190.772 110.152 1.00115.93 ATOM 43 CA GLU T 49 114.393 190.823 113.538 1.00122.95 ATOM 44 CA GLU T 50 111.645 193.188 114.730 1.00134.71 ATOM 45 CA ALA T 51 110.041 189.950 116.014 1.00101.11 ATOM 46 CA LEU T 52 112.999 187.968 117.407 1.00 91.38 ATOM 47 CA LYS T 53 113.561 191.425 118.729 1.00109.72 ATOM 48 CA ILE T 54 110.293 190.655 120.519 1.00 87.03 ATOM 49 CA MET T 55 110.614 186.890 120.943 1.00 84.90 ATOM 50 CA ARG T 56 112.353 187.618 124.251 1.00 97.32 ATOM 51 CA LYS T 57 110.070 190.441 125.436 1.00 95.35 ATOM 52 CA ALA T 58 107.711 187.491 125.764 1.00 81.68 ATOM 53 CA GLU T 59 110.293 184.838 126.477 1.00 78.28 ATOM 54 CA SER T 60 111.095 186.548 129.742 1.00 83.15 ATOM 55 CA LEU T 61 107.505 187.152 130.818 1.00 79.93 ATOM 56 CA ILE T 62 106.977 183.499 130.516 1.00 72.06 ATOM 57 CA ASP T 63 110.016 182.345 132.439 1.00100.41 ATOM 58 CA LYS T 64 109.166 185.286 134.621 1.00 94.37 ATOM 59 CA ALA T 65 105.638 184.806 135.885 1.00 89.85 ATOM 60 CA ALA T 66 106.467 181.087 136.101 1.00 70.85 ATOM 61 CA LYS T 67 108.774 182.065 138.892 1.00106.59 ATOM 62 CA GLY T 68 105.637 182.231 141.006 1.00 92.11 ATOM 63 CA SER T 69 102.999 179.570 140.399 1.00 77.58 ATOM 64 CA THR T 70 101.084 181.078 137.486 1.00 83.56 ATOM 65 CA LEU T 71 102.843 178.674 135.168 1.00 83.47 ATOM 66 CA HIS T 72 105.734 176.911 136.878 1.00114.35 ATOM 67 CA LYS T 73 107.098 173.622 135.503 1.00 95.27 ATOM 68 CA ASN T 74 107.466 173.164 131.752 1.00 87.40 ATOM 69 CA ALA T 75 104.542 175.494 131.434 1.00 85.58 ATOM 70 CA ALA T 76 107.554 177.604 130.732 1.00 89.57 ATOM 71 CA ALA T 77 108.959 174.808 128.560 1.00 77.78 ATOM 72 CA ARG T 78 106.078 174.436 126.091 1.00 86.54 ATOM 73 CA ARG T 79 105.239 178.144 125.472 1.00 92.74 ATOM 74 CA LYS T 80 108.887 178.872 124.718 1.00 87.13 ATOM 75 CA SER T 81 109.396 175.465 123.045 1.00 78.69 ATOM 76 CA ARG T 82 106.791 176.273 120.442 1.00114.39 ATOM 77 CA LEU T 83 106.902 180.071 120.202 1.00 84.47 ATOM 78 CA MET T 84 110.643 179.968 119.545 1.00 98.58 ATOM 79 CA ARG T 85 109.733 177.713 116.662 1.00114.63 ATOM 80 CA LYS T 86 106.691 179.458 115.151 1.00107.86 ATOM 81 CA VAL T 87 108.866 182.498 115.384 1.00 95.16 ATOM 82 CA ARG T 88 111.853 181.042 113.605 1.00 96.57 ATOM 83 CA GLN T 89 109.619 178.913 111.422 1.00110.54 ATOM 84 CA LEU T 90 107.583 181.936 110.469 1.00 97.08 ATOM 85 CA LEU T 91 110.919 183.745 110.242 1.00 98.94 ATOM 86 CA GLU T 92 111.974 181.127 107.741 1.00110.64 ATOM 87 CA ALA T 93 111.037 183.605 104.997 1.00103.03 ATOM 88 CA ALA T 94 114.675 184.507 104.030 1.00125.01 ATOM 89 CA GLY T 95 115.406 187.155 106.657 1.00121.85 ATOM 90 CA ALA T 96 118.307 185.519 108.501 1.00123.55 ATOM 91 CA PRO T 97 118.156 185.602 112.320 1.00136.70 ATOM 92 CA LEU T 98 120.193 188.825 111.973 1.00139.32 ATOM 93 CA ILE T 99 120.198 189.822 115.628 1.00194.36 ATOM 94 CA GLY T 100 118.814 186.346 116.346 1.00177.11 ATOM 95 CA GLY T 101 118.269 187.278 119.976 1.00171.13 ATOM 96 CA GLY T 102 115.459 185.127 121.330 1.00164.95 ATOM 97 CA LEU T 103 117.067 182.399 119.267 1.00105.73 ATOM 98 CA SER T 104 120.552 181.170 118.674 1.00105.58 ATOM 99 CA ALA T 105 121.705 180.355 115.172 1.00115.12 ATOM 100 MG MG T 107.181 176.784 127.442 1.00 71.20 ATOM 101 MG MG T 90.724 184.620 147.609 1.00 71.20 ATOM 102 MG MG T 83.743 180.080 157.817 1.00 71.20 TER