HEADER RIBOSOME 06-MAY-03 1P87 TITLE Real space refined coordinates of the 30S subunit fitted into the low TITLE 2 resolution cryo-EM map of the initiation-like state of E. coli 70S TITLE 3 ribosome COMPND MOL_ID: 18; COMPND 2 MOLECULE: 30S RIBOSOMAL PROTEIN S18; COMPND 3 CHAIN: R; EXPDTA ELECTRON MICROSCOPY DBREF 1P87 R 1 74 UNP P02374 RS18_ECOLI 1 74 SEQRES 1 R 51 GLN GLU ILE ASP TYR LYS ASP ILE ALA THR LEU LYS ASN SEQRES 2 R 51 TYR ILE THR GLU SER GLY LYS ILE VAL PRO SER ARG ILE SEQRES 3 R 51 THR GLY THR ARG ALA LYS TYR GLN ARG GLN LEU ALA ARG SEQRES 4 R 51 ALA ILE LYS ARG ALA ARG TYR LEU SER LEU LEU PRO ATOM 1 CA GLN R 18 -35.397 20.081 86.962 1.00 15.00 ATOM 2 CA GLU R 19 -36.771 22.170 84.066 1.00 15.00 ATOM 3 CA ILE R 20 -33.969 20.522 82.031 1.00 15.00 ATOM 4 CA ASP R 21 -35.626 17.054 82.533 1.00 15.00 ATOM 5 CA TYR R 22 -36.979 16.203 79.056 1.00 15.00 ATOM 6 CA LYS R 23 -38.228 12.789 80.400 1.00 15.00 ATOM 7 CA ASP R 24 -40.451 13.843 83.325 1.00 15.00 ATOM 8 CA ILE R 25 -43.727 13.709 81.336 1.00 15.00 ATOM 9 CA ALA R 26 -45.893 13.844 84.528 1.00 15.00 ATOM 10 CA THR R 27 -44.417 17.257 85.454 1.00 15.00 ATOM 11 CA LEU R 28 -44.093 18.545 81.797 1.00 15.00 ATOM 12 CA LYS R 29 -47.713 17.667 80.855 1.00 15.00 ATOM 13 CA ASN R 30 -48.869 20.344 83.373 1.00 15.00 ATOM 14 CA TYR R 31 -47.284 23.060 81.153 1.00 15.00 ATOM 15 CA ILE R 32 -49.394 21.982 78.141 1.00 15.00 ATOM 16 CA THR R 33 -53.004 22.973 77.438 1.00 15.00 ATOM 17 CA GLU R 34 -56.015 21.014 76.164 1.00 15.00 ATOM 18 CA SER R 35 -53.864 20.877 73.054 1.00 15.00 ATOM 19 CA GLY R 36 -50.118 20.223 72.713 1.00 15.00 ATOM 20 CA LYS R 37 -49.563 24.044 72.892 1.00 15.00 ATOM 21 CA ILE R 38 -47.221 25.259 75.584 1.00 15.00 ATOM 22 CA VAL R 39 -48.871 27.549 77.993 1.00 15.00 ATOM 23 CA PRO R 40 -47.833 31.231 77.926 1.00 15.00 ATOM 24 CA SER R 41 -45.960 32.743 80.871 1.00 15.00 ATOM 25 CA ARG R 42 -49.293 33.929 82.371 1.00 15.00 ATOM 26 CA ILE R 43 -50.324 30.277 82.785 1.00 15.00 ATOM 27 CA THR R 44 -46.937 28.599 83.457 1.00 15.00 ATOM 28 CA GLY R 45 -45.859 31.388 85.808 1.00 15.00 ATOM 29 CA THR R 46 -42.261 30.899 84.801 1.00 15.00 ATOM 30 CA ARG R 47 -39.942 33.675 83.726 1.00 15.00 ATOM 31 CA ALA R 48 -38.098 34.416 80.484 1.00 15.00 ATOM 32 CA LYS R 49 -35.068 32.258 81.516 1.00 15.00 ATOM 33 CA TYR R 50 -37.159 29.354 82.930 1.00 15.00 ATOM 34 CA GLN R 51 -39.788 29.359 80.154 1.00 15.00 ATOM 35 CA ARG R 52 -37.035 29.421 77.462 1.00 15.00 ATOM 36 CA GLN R 53 -35.680 26.189 79.042 1.00 15.00 ATOM 37 CA LEU R 54 -39.122 24.680 79.610 1.00 15.00 ATOM 38 CA ALA R 55 -40.013 25.134 75.887 1.00 15.00 ATOM 39 CA ARG R 56 -36.637 23.569 74.912 1.00 15.00 ATOM 40 CA ALA R 57 -37.226 20.583 77.221 1.00 15.00 ATOM 41 CA ILE R 58 -40.868 20.263 76.043 1.00 15.00 ATOM 42 CA LYS R 59 -39.718 20.139 72.386 1.00 15.00 ATOM 43 CA ARG R 60 -37.327 17.189 73.057 1.00 15.00 ATOM 44 CA ALA R 61 -40.053 15.341 75.032 1.00 15.00 ATOM 45 CA ARG R 62 -42.312 15.963 71.954 1.00 15.00 ATOM 46 CA TYR R 63 -39.600 14.388 69.762 1.00 15.00 ATOM 47 CA LEU R 64 -39.379 11.439 72.178 1.00 15.00 ATOM 48 CA SER R 65 -43.137 10.852 71.491 1.00 15.00 ATOM 49 CA LEU R 66 -43.406 11.712 75.259 1.00 15.00 ATOM 50 CA LEU R 67 -45.394 14.890 74.641 1.00 15.00 ATOM 51 CA PRO R 68 -48.050 15.539 71.976 1.00 15.00 TER