HEADER RIBOSOME 30-MAR-01 4V42 TITLE Crystal structure of the ribosome at 5.5 A resolution. COMPND MOL_ID: 21; COMPND 2 MOLECULE: 30S RIBOSOMAL PROTEIN S18; COMPND 3 CHAIN: AU; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 5.50 ANGSTORMS DBREF 4V42 A 1 88 GB 6739549 AAF27297 1 88 SEQRES 1 AU 73 PRO SER ARG LYS ALA LYS VAL LYS ALA THR LEU GLY GLU SEQRES 2 AU 73 PHE ASP LEU ARG ASP TYR ARG ASN VAL GLU VAL LEU LYS SEQRES 3 AU 73 ARG PHE LEU SER GLU THR GLY LYS ILE LEU PRO ARG ARG SEQRES 4 AU 73 ARG THR GLY LEU SER GLY LYS GLU GLN ARG ILE LEU ALA SEQRES 5 AU 73 LYS THR ILE LYS ARG ALA ARG ILE LEU GLY LEU LEU PRO SEQRES 6 AU 73 PHE THR GLU LYS LEU VAL ARG LYS ATOM 1 CA PRO A 16 30.799 55.905 299.873 1.00 0.00 ATOM 2 CA SER A 17 32.620 56.483 303.185 1.00 0.00 ATOM 3 CA ARG A 18 33.187 52.959 304.527 1.00 0.00 ATOM 4 CA LYS A 19 36.993 52.845 304.563 1.00 0.00 ATOM 5 CA ALA A 20 37.130 51.973 308.288 1.00 0.00 ATOM 6 CA LYS A 21 35.907 53.568 311.522 1.00 0.00 ATOM 7 CA VAL A 22 38.703 55.311 313.429 1.00 0.00 ATOM 8 CA LYS A 23 37.141 53.932 316.624 1.00 0.00 ATOM 9 CA ALA A 24 37.240 50.263 315.589 1.00 0.00 ATOM 10 CA THR A 25 40.778 50.607 314.259 1.00 0.00 ATOM 11 CA LEU A 26 41.978 51.267 317.817 1.00 0.00 ATOM 12 CA GLY A 27 41.868 50.224 321.475 1.00 0.00 ATOM 13 CA GLU A 28 39.955 51.591 324.468 1.00 0.00 ATOM 14 CA PHE A 29 41.128 55.124 325.142 1.00 0.00 ATOM 15 CA ASP A 30 40.188 57.875 327.539 1.00 0.00 ATOM 16 CA LEU A 31 38.336 60.286 325.278 1.00 0.00 ATOM 17 CA ARG A 32 38.980 62.868 328.006 1.00 0.00 ATOM 18 CA ASP A 33 42.791 62.636 327.811 1.00 0.00 ATOM 19 CA TYR A 34 44.102 65.723 326.050 1.00 0.00 ATOM 20 CA ARG A 35 47.720 64.594 325.806 1.00 0.00 ATOM 21 CA ASN A 36 47.517 61.273 323.971 1.00 0.00 ATOM 22 CA VAL A 37 48.805 62.774 320.723 1.00 0.00 ATOM 23 CA GLU A 38 49.333 59.162 319.773 1.00 0.00 ATOM 24 CA VAL A 39 45.638 58.336 319.694 1.00 0.00 ATOM 25 CA LEU A 40 44.000 61.773 319.303 1.00 0.00 ATOM 26 CA LYS A 41 45.953 62.429 316.074 1.00 0.00 ATOM 27 CA ARG A 42 43.924 59.489 314.737 1.00 0.00 ATOM 28 CA PHE A 43 40.694 61.506 314.602 1.00 0.00 ATOM 29 CA LEU A 44 42.095 64.264 312.428 1.00 0.00 ATOM 30 CA SER A 45 41.609 64.661 308.699 1.00 0.00 ATOM 31 CA GLU A 46 44.569 64.916 306.355 1.00 0.00 ATOM 32 CA THR A 47 44.368 68.422 307.841 1.00 0.00 ATOM 33 CA GLY A 48 44.016 69.586 311.441 1.00 0.00 ATOM 34 CA LYS A 49 40.292 69.107 310.889 1.00 0.00 ATOM 35 CA ILE A 50 38.309 66.940 313.275 1.00 0.00 ATOM 36 CA LEU A 51 36.650 64.079 311.453 1.00 0.00 ATOM 37 CA PRO A 52 32.836 63.677 311.290 1.00 0.00 ATOM 38 CA ARG A 53 31.191 60.851 313.194 1.00 0.00 ATOM 39 CA ARG A 54 30.747 59.158 309.824 1.00 0.00 ATOM 40 CA ARG A 55 34.495 58.507 309.928 1.00 0.00 ATOM 41 CA THR A 56 35.253 58.688 313.639 1.00 0.00 ATOM 42 CA GLY A 57 32.760 55.935 314.388 1.00 0.00 ATOM 43 CA LEU A 58 32.124 57.724 317.671 1.00 0.00 ATOM 44 CA SER A 59 28.679 58.588 319.001 1.00 0.00 ATOM 45 CA GLY A 60 27.041 61.948 319.576 1.00 0.00 ATOM 46 CA LYS A 61 28.197 61.996 323.179 1.00 0.00 ATOM 47 CA GLU A 62 31.651 60.486 322.634 1.00 0.00 ATOM 48 CA GLN A 63 32.283 62.663 319.558 1.00 0.00 ATOM 49 CA ARG A 64 31.282 65.689 321.559 1.00 0.00 ATOM 50 CA ILE A 65 33.911 65.024 324.236 1.00 0.00 ATOM 51 CA LEU A 66 36.569 64.378 321.616 1.00 0.00 ATOM 52 CA ALA A 67 36.211 67.838 320.145 1.00 0.00 ATOM 53 CA LYS A 68 37.018 69.493 323.470 1.00 0.00 ATOM 54 CA THR A 69 39.981 67.184 323.920 1.00 0.00 ATOM 55 CA ILE A 70 41.267 67.703 320.384 1.00 0.00 ATOM 56 CA LYS A 71 40.862 71.449 320.876 1.00 0.00 ATOM 57 CA ARG A 72 42.661 71.441 324.232 1.00 0.00 ATOM 58 CA ALA A 73 45.484 69.485 322.622 1.00 0.00 ATOM 59 CA ARG A 74 45.686 72.159 319.937 1.00 0.00 ATOM 60 CA ILE A 75 46.305 74.993 322.362 1.00 0.00 ATOM 61 CA LEU A 76 49.064 73.027 324.135 1.00 0.00 ATOM 62 CA GLY A 77 50.691 72.714 320.720 1.00 0.00 ATOM 63 CA LEU A 78 50.482 68.918 320.591 1.00 0.00 ATOM 64 CA LEU A 79 47.847 68.870 317.842 1.00 0.00 ATOM 65 CA PRO A 80 47.571 71.087 314.738 1.00 0.00 ATOM 66 CA PHE A 81 44.796 73.484 313.879 1.00 0.00 ATOM 67 CA THR A 82 45.252 72.967 310.154 1.00 0.00 ATOM 68 CA GLU A 83 47.538 71.183 307.664 1.00 0.00 ATOM 69 CA LYS A 84 48.311 71.724 303.958 1.00 0.00 ATOM 70 CA LEU A 85 46.918 69.383 301.286 1.00 0.00 ATOM 71 CA VAL A 86 49.287 67.334 299.130 1.00 0.00 ATOM 72 CA ARG A 87 48.620 66.195 295.527 1.00 0.00 ATOM 73 CA LYS A 88 45.927 68.204 293.695 1.00 0.00 TER