HEADER RIBOSOME 13-JUN-03 1PNU TITLE Crystal Structure of a Streptomycin Dependent Ribosome from TITLE 2 Escherichia Coli, 50S Subunit of 70S Ribosome. THIS FILE, 1PNU, TITLE 3 CONTAINS ONLY MOLECULES OF THE 50S RIBOSOMAL SUBUNIT. THE 30S TITLE 4 SUBUNIT, MRNA, P-SITE TRNA, AND A-SITE TRNA ARE IN THE PDB FILE 1PNS. COMPND MOL_ID: 17; COMPND 2 MOLECULE: 50S ribosomal protein L20; COMPND 3 CHAIN: O; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 8.70 ANGSTORMS DBREF 1PNU O 2 118 PDB 1PNU 1PNU 2 118 SEQRES 1 O 117 PRO ARG ALA LYS THR GLY ILE VAL ARG ARG ARG ARG HIS SEQRES 2 O 117 LYS LYS VAL LEU LYS ARG ALA LYS GLY PHE TRP GLY SER SEQRES 3 O 117 ARG SER LYS GLN TYR ARG ASN ALA PHE GLN THR LEU LEU SEQRES 4 O 117 ASN ALA ALA THR TYR GLU TYR ARG ASP ARG ARG ASN LYS SEQRES 5 O 117 LYS ARG ASP PHE ARG ARG LEU TRP ILE GLN ARG ILE ASN SEQRES 6 O 117 ALA GLY ALA ARG LEU HIS GLY MET ASN TYR SER THR PHE SEQRES 7 O 117 ILE ASN GLY LEU LYS ARG ALA ASN ILE ASP LEU ASN ARG SEQRES 8 O 117 LYS VAL LEU ALA ASP ILE ALA ALA ARG GLU PRO GLU ALA SEQRES 9 O 117 PHE LYS ALA LEU VAL ASP ALA SER ARG ASN ALA ARG GLN ATOM 1 CA PRO O 2 208.933 28.215 86.008 1.00737.35 ATOM 2 CA ARG O 3 207.971 31.752 87.027 1.00737.35 ATOM 3 CA ALA O 4 207.795 35.113 85.255 1.00737.35 ATOM 4 CA LYS O 5 207.327 37.905 87.796 1.00737.35 ATOM 5 CA THR O 6 207.337 41.523 86.624 1.00737.35 ATOM 6 CA GLY O 7 210.157 42.249 89.047 1.00737.35 ATOM 7 CA ILE O 8 212.356 45.120 87.886 1.00737.35 ATOM 8 CA VAL O 9 210.232 45.148 84.731 1.00737.35 ATOM 9 CA ARG O 10 207.262 47.422 85.415 1.00737.35 ATOM 10 CA ARG O 11 209.430 49.680 87.575 1.00737.35 ATOM 11 CA ARG O 12 211.936 50.263 84.776 1.00737.35 ATOM 12 CA ARG O 13 209.137 51.261 82.404 1.00737.35 ATOM 13 CA HIS O 14 207.588 53.575 84.995 1.00737.35 ATOM 14 CA LYS O 15 210.972 55.135 85.745 1.00737.35 ATOM 15 CA LYS O 16 211.541 55.812 82.045 1.00737.35 ATOM 16 CA VAL O 17 208.310 57.804 81.808 1.00737.35 ATOM 17 CA LEU O 18 209.142 59.522 85.099 1.00737.35 ATOM 18 CA LYS O 19 212.652 60.481 83.986 1.00737.35 ATOM 19 CA ARG O 20 211.173 63.381 82.019 1.00737.35 ATOM 20 CA ALA O 21 209.699 65.071 85.092 1.00737.35 ATOM 21 CA LYS O 22 211.233 68.337 83.888 1.00737.35 ATOM 22 CA GLY O 23 208.156 70.549 83.886 1.00737.35 ATOM 23 CA PHE O 24 205.379 68.024 84.450 1.00737.35 ATOM 24 CA TRP O 25 202.550 68.656 86.916 1.00737.35 ATOM 25 CA GLY O 26 201.398 68.143 90.491 1.00737.35 ATOM 26 CA SER O 27 200.402 64.530 89.866 1.00737.35 ATOM 27 CA ARG O 28 201.347 63.788 86.256 1.00737.35 ATOM 28 CA SER O 29 204.964 62.851 86.966 1.00737.35 ATOM 29 CA LYS O 30 203.791 61.375 90.269 1.00737.35 ATOM 30 CA GLN O 31 201.588 58.888 88.415 1.00737.35 ATOM 31 CA TYR O 32 202.504 56.370 85.715 1.00737.35 ATOM 32 CA ARG O 33 198.895 56.726 84.565 1.00737.35 ATOM 33 CA ASN O 34 198.836 60.520 84.324 1.00737.35 ATOM 34 CA ALA O 35 202.387 60.602 82.960 1.00737.35 ATOM 35 CA PHE O 36 201.713 58.256 80.044 1.00737.35 ATOM 36 CA GLN O 37 198.561 60.250 79.299 1.00737.35 ATOM 37 CA THR O 38 200.443 63.548 79.505 1.00737.35 ATOM 38 CA LEU O 39 203.111 62.504 77.004 1.00737.35 ATOM 39 CA LEU O 40 200.361 61.058 74.811 1.00737.35 ATOM 40 CA ASN O 41 199.031 64.541 74.059 1.00737.35 ATOM 41 CA ALA O 42 202.394 66.291 74.376 1.00737.35 ATOM 42 CA ALA O 43 204.071 64.134 71.731 1.00737.35 ATOM 43 CA THR O 44 201.066 64.523 69.436 1.00737.35 ATOM 44 CA TYR O 45 201.355 68.314 69.551 1.00737.35 ATOM 45 CA GLU O 46 205.122 68.132 69.064 1.00737.35 ATOM 46 CA TYR O 47 204.621 65.973 65.974 1.00737.35 ATOM 47 CA ARG O 48 202.529 68.656 64.274 1.00737.35 ATOM 48 CA ASP O 49 204.752 71.367 65.742 1.00737.35 ATOM 49 CA ARG O 50 207.701 70.270 63.604 1.00737.35 ATOM 50 CA ARG O 51 205.525 70.868 60.541 1.00737.35 ATOM 51 CA ASN O 52 203.984 74.105 61.812 1.00737.35 ATOM 52 CA LYS O 53 207.396 75.440 62.827 1.00737.35 ATOM 53 CA LYS O 54 208.594 76.436 59.357 1.00737.35 ATOM 54 CA ARG O 55 205.098 77.804 58.758 1.00737.35 ATOM 55 CA ASP O 56 205.043 80.258 61.664 1.00737.35 ATOM 56 CA PHE O 57 208.742 81.109 61.413 1.00737.35 ATOM 57 CA ARG O 58 208.186 82.012 57.760 1.00737.35 ATOM 58 CA ARG O 59 205.661 84.705 58.668 1.00737.35 ATOM 59 CA LEU O 60 208.360 86.517 60.641 1.00737.35 ATOM 60 CA TRP O 61 210.581 86.737 57.560 1.00737.35 ATOM 61 CA ILE O 62 207.756 88.124 55.427 1.00737.35 ATOM 62 CA GLN O 63 206.990 90.708 58.112 1.00737.35 ATOM 63 CA ARG O 64 210.626 91.794 58.374 1.00737.35 ATOM 64 CA ILE O 65 211.016 92.119 54.603 1.00737.35 ATOM 65 CA ASN O 66 207.784 94.109 54.353 1.00737.35 ATOM 66 CA ALA O 67 208.699 96.399 57.249 1.00737.35 ATOM 67 CA GLY O 68 212.163 97.035 55.846 1.00737.35 ATOM 68 CA ALA O 69 210.670 97.990 52.490 1.00737.35 ATOM 69 CA ARG O 70 208.128 100.319 54.096 1.00737.35 ATOM 70 CA LEU O 71 210.975 102.599 55.181 1.00737.35 ATOM 71 CA HIS O 72 211.893 103.033 51.515 1.00737.35 ATOM 72 CA GLY O 73 208.340 103.385 50.244 1.00737.35 ATOM 73 CA MET O 74 207.341 99.928 49.035 1.00737.35 ATOM 74 CA ASN O 75 205.543 96.758 50.127 1.00737.35 ATOM 75 CA TYR O 76 206.421 93.059 50.116 1.00737.35 ATOM 76 CA SER O 77 204.119 92.592 47.122 1.00737.35 ATOM 77 CA THR O 78 206.041 95.150 45.061 1.00737.35 ATOM 78 CA PHE O 79 209.351 93.759 46.319 1.00737.35 ATOM 79 CA ILE O 80 208.853 90.013 45.876 1.00737.35 ATOM 80 CA ASN O 81 207.709 90.560 42.292 1.00737.35 ATOM 81 CA GLY O 82 210.718 92.755 41.587 1.00737.35 ATOM 82 CA LEU O 83 213.078 89.905 42.444 1.00737.35 ATOM 83 CA LYS O 84 211.436 87.606 39.898 1.00737.35 ATOM 84 CA ARG O 85 212.044 90.299 37.282 1.00737.35 ATOM 85 CA ALA O 86 215.810 90.503 37.773 1.00737.35 ATOM 86 CA ASN O 87 215.980 86.710 37.444 1.00737.35 ATOM 87 CA ILE O 88 219.266 86.583 39.363 1.00737.35 ATOM 88 CA ASP O 89 217.323 87.645 42.453 1.00737.35 ATOM 89 CA LEU O 90 216.082 84.248 43.628 1.00737.35 ATOM 90 CA ASN O 91 217.472 84.256 47.168 1.00737.35 ATOM 91 CA ARG O 92 215.233 84.424 50.238 1.00737.35 ATOM 92 CA LYS O 93 214.921 83.288 53.861 1.00737.35 ATOM 93 CA VAL O 94 218.216 84.725 55.109 1.00737.35 ATOM 94 CA LEU O 95 217.457 87.721 52.891 1.00737.35 ATOM 95 CA ALA O 96 214.864 88.846 55.437 1.00737.35 ATOM 96 CA ASP O 97 217.478 88.940 58.201 1.00737.35 ATOM 97 CA ILE O 98 219.805 90.917 55.933 1.00737.35 ATOM 98 CA ALA O 99 217.241 93.726 55.959 1.00737.35 ATOM 99 CA ALA O 100 217.491 93.834 59.752 1.00737.35 ATOM 100 CA ARG O 101 221.173 93.450 60.621 1.00737.35 ATOM 101 CA GLU O 102 222.655 95.077 57.519 1.00737.35 ATOM 102 CA PRO O 103 221.356 98.629 57.116 1.00737.35 ATOM 103 CA GLU O 104 223.117 99.358 53.824 1.00737.35 ATOM 104 CA ALA O 105 221.878 96.267 51.983 1.00737.35 ATOM 105 CA PHE O 106 218.075 96.197 52.012 1.00737.35 ATOM 106 CA LYS O 107 218.058 99.495 50.116 1.00737.35 ATOM 107 CA ALA O 108 220.129 97.967 47.315 1.00737.35 ATOM 108 CA LEU O 109 217.564 95.222 46.727 1.00737.35 ATOM 109 CA VAL O 110 214.734 97.763 46.731 1.00737.35 ATOM 110 CA ASP O 111 216.530 99.887 44.139 1.00737.35 ATOM 111 CA ALA O 112 216.692 96.880 41.815 1.00737.35 ATOM 112 CA SER O 113 213.045 95.929 42.328 1.00737.35 ATOM 113 CA ARG O 114 211.860 99.471 41.612 1.00737.35 ATOM 114 CA ASN O 115 214.059 99.647 38.513 1.00737.35 ATOM 115 CA ALA O 116 212.576 96.357 37.309 1.00737.35 ATOM 116 CA ARG O 117 208.984 97.489 37.841 1.00737.35 ATOM 117 CA GLN O 118 209.247 101.009 36.424 1.00737.35 TER