HEADER RIBOSOME 31-AUG-04 1XBP TITLE Inhibition of peptide bond formation by pleuromutilins: The structure TITLE 2 of the 50S ribosomal subunit from Deinococcus radiodurans in complex TITLE 3 with Tiamulin COMPND MOL_ID: 17; COMPND 2 MOLECULE: 50S ribosomal protein L20; COMPND 3 CHAIN: O; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.50 ANGSTORMS DBREF 1XBP O 1 118 UNP Q9RSW7 RL20_DEIRA 1 118 SEQRES 1 O 115 ARG ALA LYS THR GLY ILE VAL ARG ARG ARG ARG HIS LYS SEQRES 2 O 115 LYS VAL LEU LYS ARG ALA LYS GLY PHE TRP GLY SER ARG SEQRES 3 O 115 SER LYS GLN TYR ARG ASN ALA PHE GLN THR LEU LEU ASN SEQRES 4 O 115 ALA ALA THR TYR GLU TYR ARG ASP ARG ARG ASN LYS LYS SEQRES 5 O 115 ARG ASP PHE ARG ARG LEU TRP ILE GLN ARG ILE ASN ALA SEQRES 6 O 115 GLY ALA ARG LEU HIS GLY MET ASN TYR SER THR PHE ILE SEQRES 7 O 115 ASN GLY LEU LYS ARG ALA ASN ILE ASP LEU ASN ARG LYS SEQRES 8 O 115 VAL LEU ALA ASP ILE ALA ALA ARG GLU PRO GLU ALA PHE SEQRES 9 O 115 LYS ALA LEU VAL ASP ALA SER ARG ASN ALA ARG ATOM 1 CA ARG O 3 5.047 130.745 94.417 1.00 31.36 ATOM 2 CA ALA O 4 5.451 126.997 94.166 1.00 31.77 ATOM 3 CA LYS O 5 6.100 125.606 97.653 1.00 29.36 ATOM 4 CA THR O 6 7.031 121.916 97.443 1.00 28.85 ATOM 5 CA GLY O 7 3.798 120.851 99.131 1.00 25.17 ATOM 6 CA ILE O 8 2.858 117.136 98.954 1.00 23.82 ATOM 7 CA VAL O 9 6.193 116.780 97.184 1.00 23.08 ATOM 8 CA ARG O 10 9.519 116.238 99.007 1.00 22.99 ATOM 9 CA ARG O 11 7.675 113.897 101.340 1.00 23.03 ATOM 10 CA ARG O 12 6.499 112.022 98.320 1.00 23.11 ATOM 11 CA ARG O 13 9.686 111.276 96.335 1.00 23.29 ATOM 12 CA HIS O 14 11.070 110.572 99.770 1.00 23.76 ATOM 13 CA LYS O 15 7.987 108.586 100.766 1.00 24.25 ATOM 14 CA LYS O 16 8.289 106.493 97.625 1.00 24.50 ATOM 15 CA VAL O 17 11.902 105.537 98.373 1.00 24.88 ATOM 16 CA LEU O 18 11.701 104.337 102.018 1.00 25.64 ATOM 17 CA LYS O 19 8.532 102.701 100.790 1.00 26.39 ATOM 18 CA ARG O 20 10.871 99.910 99.793 1.00 27.25 ATOM 19 CA ALA O 21 11.640 99.613 103.554 1.00 28.13 ATOM 20 CA LYS O 22 11.203 95.887 103.096 1.00 28.74 ATOM 21 CA GLY O 23 14.011 94.511 105.257 1.00 28.11 ATOM 22 CA PHE O 24 15.813 96.934 107.521 1.00 26.53 ATOM 23 CA TRP O 25 18.652 97.043 110.036 1.00 24.25 ATOM 24 CA GLY O 26 19.124 100.697 110.829 1.00 22.07 ATOM 25 CA SER O 27 18.185 104.281 110.042 1.00 20.08 ATOM 26 CA ARG O 28 18.070 102.510 106.694 1.00 18.60 ATOM 27 CA SER O 29 14.301 102.220 107.263 1.00 17.35 ATOM 28 CA LYS O 30 13.415 105.533 108.799 1.00 17.34 ATOM 29 CA GLN O 31 15.494 108.471 107.812 1.00 17.34 ATOM 30 CA TYR O 32 15.483 108.704 103.949 1.00 17.34 ATOM 31 CA ARG O 33 18.758 110.477 103.393 1.00 17.34 ATOM 32 CA ASN O 34 20.196 107.007 103.845 1.00 17.34 ATOM 33 CA ALA O 35 16.946 105.155 103.386 1.00 17.34 ATOM 34 CA PHE O 36 18.078 105.475 99.753 1.00 17.34 ATOM 35 CA GLN O 37 21.867 105.483 100.127 1.00 17.34 ATOM 36 CA THR O 38 21.376 101.766 100.512 1.00 17.34 ATOM 37 CA LEU O 39 18.831 101.389 97.655 1.00 17.34 ATOM 38 CA LEU O 40 21.184 102.745 94.936 1.00 17.34 ATOM 39 CA ASN O 41 23.327 99.978 96.204 1.00 17.34 ATOM 40 CA ALA O 42 20.485 97.465 96.294 1.00 17.34 ATOM 41 CA ALA O 43 20.623 98.273 92.614 1.00 17.34 ATOM 42 CA THR O 44 24.210 97.636 91.886 1.00 17.34 ATOM 43 CA TYR O 45 23.900 94.621 94.202 1.00 17.34 ATOM 44 CA GLU O 46 20.863 93.558 92.163 1.00 17.34 ATOM 45 CA TYR O 47 21.319 94.294 88.461 1.00 17.34 ATOM 46 CA ARG O 48 24.810 92.761 88.223 1.00 17.34 ATOM 47 CA ASP O 49 23.098 90.087 90.257 1.00 17.34 ATOM 48 CA ARG O 50 19.847 89.521 88.403 1.00 17.34 ATOM 49 CA ARG O 51 22.098 88.560 85.515 1.00 17.34 ATOM 50 CA ASN O 52 24.532 86.797 87.862 1.00 17.34 ATOM 51 CA LYS O 53 21.999 84.146 88.842 1.00 17.34 ATOM 52 CA LYS O 54 22.887 82.656 85.450 1.00 17.34 ATOM 53 CA ARG O 55 26.566 82.065 86.351 1.00 17.34 ATOM 54 CA ASP O 56 25.929 80.756 89.863 1.00 17.34 ATOM 55 CA PHE O 57 23.108 78.452 88.787 1.00 17.34 ATOM 56 CA ARG O 58 25.255 76.276 86.481 1.00 17.34 ATOM 57 CA ARG O 59 27.408 75.455 89.455 1.00 17.55 ATOM 58 CA LEU O 60 24.272 74.459 91.431 1.00 18.21 ATOM 59 CA TRP O 61 23.607 72.270 88.431 1.00 18.57 ATOM 60 CA ILE O 62 26.968 71.203 87.021 1.00 19.06 ATOM 61 CA GLN O 63 28.144 70.114 90.533 1.00 19.92 ATOM 62 CA ARG O 64 24.833 68.285 90.694 1.00 20.71 ATOM 63 CA ILE O 65 25.160 66.390 87.411 1.00 21.41 ATOM 64 CA ASN O 66 28.476 64.769 88.404 1.00 22.32 ATOM 65 CA ALA O 67 26.548 62.664 90.966 1.00 23.50 ATOM 66 CA GLY O 68 25.625 59.274 89.463 1.00 24.55 ATOM 67 CA ALA O 69 27.960 60.212 86.674 1.00 25.28 ATOM 68 CA ARG O 70 30.421 59.497 89.432 1.00 25.91 ATOM 69 CA LEU O 71 28.176 56.809 91.003 1.00 26.40 ATOM 70 CA HIS O 72 29.284 54.737 87.957 1.00 26.91 ATOM 71 CA GLY O 73 32.737 56.002 87.022 1.00 27.35 ATOM 72 CA MET O 74 32.536 58.812 84.458 1.00 28.06 ATOM 73 CA ASN O 75 32.983 62.541 85.212 1.00 28.76 ATOM 74 CA TYR O 76 31.167 65.477 83.540 1.00 29.49 ATOM 75 CA SER O 77 34.291 65.775 81.356 1.00 30.04 ATOM 76 CA THR O 78 33.485 62.188 80.506 1.00 30.61 ATOM 77 CA PHE O 79 29.709 62.487 80.376 1.00 31.43 ATOM 78 CA ILE O 80 29.724 65.704 78.320 1.00 32.62 ATOM 79 CA ASN O 81 32.400 64.645 75.783 1.00 34.19 ATOM 80 CA GLY O 82 30.619 61.282 75.667 1.00 36.24 ATOM 81 CA LEU O 83 27.298 63.053 75.215 1.00 38.76 ATOM 82 CA LYS O 84 28.162 65.727 72.667 1.00 41.13 ATOM 83 CA ARG O 85 29.406 62.634 70.798 1.00 43.05 ATOM 84 CA ALA O 86 25.752 61.961 70.045 1.00 44.50 ATOM 85 CA ASN O 87 23.991 64.656 68.045 1.00 45.57 ATOM 86 CA ILE O 88 20.970 62.720 69.224 1.00 45.87 ATOM 87 CA ASP O 89 21.404 63.601 72.961 1.00 45.27 ATOM 88 CA LEU O 90 21.735 67.413 72.885 1.00 44.09 ATOM 89 CA ASN O 91 20.268 68.813 76.146 1.00 42.42 ATOM 90 CA ARG O 92 21.917 70.094 79.372 1.00 40.44 ATOM 91 CA LYS O 93 21.003 71.085 82.947 1.00 38.30 ATOM 92 CA VAL O 94 17.459 69.563 82.849 1.00 36.33 ATOM 93 CA LEU O 95 19.534 66.425 82.794 1.00 34.30 ATOM 94 CA ALA O 96 20.541 67.435 86.350 1.00 32.16 ATOM 95 CA ASP O 97 17.107 67.996 87.856 1.00 29.91 ATOM 96 CA ILE O 98 16.540 64.493 86.558 1.00 27.83 ATOM 97 CA ALA O 99 19.859 63.229 87.914 1.00 26.31 ATOM 98 CA ALA O 100 18.040 63.465 91.209 1.00 25.62 ATOM 99 CA ARG O 101 14.356 63.442 90.435 1.00 25.62 ATOM 100 CA GLU O 102 15.251 60.363 88.359 1.00 25.74 ATOM 101 CA PRO O 103 17.937 57.712 88.882 1.00 25.79 ATOM 102 CA GLU O 104 16.957 54.704 86.791 1.00 25.67 ATOM 103 CA ALA O 105 16.887 57.122 83.888 1.00 25.45 ATOM 104 CA PHE O 106 20.521 58.260 84.410 1.00 25.12 ATOM 105 CA LYS O 107 21.379 54.628 84.379 1.00 25.20 ATOM 106 CA ALA O 108 20.760 55.348 80.674 1.00 26.02 ATOM 107 CA LEU O 109 21.556 58.969 79.648 1.00 27.95 ATOM 108 CA VAL O 110 25.135 58.341 80.839 1.00 30.85 ATOM 109 CA ASP O 111 25.746 54.666 80.146 1.00 34.87 ATOM 110 CA ALA O 112 25.352 55.322 76.397 1.00 39.33 ATOM 111 CA SER O 113 28.178 57.893 76.428 1.00 43.79 ATOM 112 CA ARG O 114 30.784 55.397 77.681 1.00 47.81 ATOM 113 CA ASN O 115 30.376 52.870 74.853 1.00 51.23 ATOM 114 CA ALA O 116 30.696 55.818 72.505 1.00 57.16 ATOM 115 CA ARG O 117 34.239 56.048 73.838 1.00 59.44 TER