HEADER ribosome 25-JUL-00 1FFK TITLE CRYSTAL STRUCTURE OF THE LARGE RIBOSOMAL SUBUNIT FROM HALOARCULA TITLE 2 MARISMORTUI AT 2.4 ANGSTROM RESOLUTION COMPND MOL_ID: 18; COMPND 2 MOLECULE: RIBOSOMAL PROTEIN L23; COMPND 3 CHAIN: P; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.40 ANGSTORMS DBREF 1FFK P 1 84 UNP P12732 RL23_HALMA 1 84 SEQRES 1 P 78 SER TRP ASP VAL ILE LYS HIS PRO HIS VAL THR GLU LYS SEQRES 2 P 78 ALA MET ASN ASP MET ASP PHE GLN ASN LYS LEU GLN PHE SEQRES 3 P 78 ALA VAL ASP ASP ARG ALA SER LYS GLY GLU VAL ALA ASP SEQRES 4 P 78 ALA VAL GLU GLU GLN TYR ASP VAL THR VAL GLU GLN VAL SEQRES 5 P 78 ASN THR GLN ASN THR MET ASP GLY GLU LYS LYS ALA VAL SEQRES 6 P 78 VAL ARG LEU SER GLU ASP ASP ASP ALA GLN GLU VAL ALA ATOM 1 CA SER P 1 66.407 165.756 26.539 1.00 62.85 ATOM 2 CA TRP P 2 66.418 167.378 30.009 1.00 58.73 ATOM 3 CA ASP P 3 66.072 171.166 30.350 1.00 52.23 ATOM 4 CA VAL P 4 68.255 173.431 32.487 1.00 43.59 ATOM 5 CA ILE P 5 65.762 175.824 34.056 1.00 38.38 ATOM 6 CA LYS P 6 62.707 174.193 35.665 1.00 38.08 ATOM 7 CA HIS P 7 60.854 177.196 37.046 1.00 37.84 ATOM 8 CA PRO P 8 61.402 180.292 39.162 1.00 36.48 ATOM 9 CA HIS P 9 61.967 179.550 42.829 1.00 32.40 ATOM 10 CA VAL P 10 59.710 182.177 44.315 1.00 32.48 ATOM 11 CA THR P 11 59.808 182.661 48.068 1.00 29.71 ATOM 12 CA GLU P 12 60.042 185.552 50.503 1.00 34.28 ATOM 13 CA LYS P 13 63.808 185.122 50.663 1.00 35.54 ATOM 14 CA ALA P 14 64.046 185.062 46.870 1.00 39.71 ATOM 15 CA MET P 15 62.082 188.297 46.723 1.00 44.54 ATOM 16 CA ASN P 16 64.630 189.980 48.979 1.00 43.90 ATOM 17 CA ASP P 17 67.587 188.914 46.833 1.00 43.94 ATOM 18 CA MET P 18 65.641 190.084 43.809 1.00 46.53 ATOM 19 CA ASP P 19 64.920 193.460 45.434 1.00 50.54 ATOM 20 CA PHE P 20 68.156 194.241 47.250 1.00 47.67 ATOM 21 CA GLN P 21 70.792 192.257 45.410 1.00 42.50 ATOM 22 CA ASN P 22 69.365 192.002 41.891 1.00 35.90 ATOM 23 CA LYS P 23 69.297 188.208 42.090 1.00 35.02 ATOM 24 CA LEU P 24 66.869 185.741 40.518 1.00 35.56 ATOM 25 CA GLN P 25 66.379 182.288 42.031 1.00 33.26 ATOM 26 CA PHE P 26 65.391 179.233 39.989 1.00 30.98 ATOM 27 CA ALA P 27 64.829 175.529 40.445 1.00 32.21 ATOM 28 CA VAL P 28 67.173 173.830 38.002 1.00 35.19 ATOM 29 CA ASP P 29 68.157 170.346 36.947 1.00 37.23 ATOM 30 CA ASP P 30 70.727 169.053 39.403 1.00 39.86 ATOM 31 CA ARG P 31 72.772 167.818 36.470 1.00 41.57 ATOM 32 CA ALA P 32 73.350 171.424 35.369 1.00 37.09 ATOM 33 CA SER P 33 76.504 173.349 36.225 1.00 34.23 ATOM 34 CA LYS P 34 76.780 176.999 37.166 1.00 29.98 ATOM 35 CA GLY P 35 77.950 177.878 33.665 1.00 31.42 ATOM 36 CA GLU P 36 74.986 176.062 32.147 1.00 33.99 ATOM 37 CA VAL P 37 72.579 177.967 34.346 1.00 31.46 ATOM 38 CA ALA P 38 74.412 181.194 33.615 1.00 34.93 ATOM 39 CA ASP P 39 73.883 180.625 29.913 1.00 37.42 ATOM 40 CA ALA P 40 70.365 179.198 29.894 1.00 40.97 ATOM 41 CA VAL P 41 69.158 182.086 32.017 1.00 45.44 ATOM 42 CA GLU P 42 70.803 184.555 29.654 1.00 49.08 ATOM 43 CA GLU P 43 69.409 182.856 26.565 1.00 56.18 ATOM 44 CA GLN P 44 65.848 183.043 27.863 1.00 57.06 ATOM 45 CA TYR P 45 65.899 186.613 29.122 1.00 56.71 ATOM 46 CA ASP P 46 67.555 189.733 27.748 1.00 62.89 ATOM 47 CA VAL P 47 69.929 189.749 30.729 1.00 53.57 ATOM 48 CA THR P 48 73.633 189.470 31.543 1.00 47.21 ATOM 49 CA VAL P 49 74.499 186.974 34.281 1.00 42.53 ATOM 50 CA GLU P 50 77.221 188.157 36.623 1.00 39.13 ATOM 51 CA GLN P 51 77.340 185.339 39.150 1.00 33.84 ATOM 52 CA VAL P 52 75.633 182.060 39.975 1.00 28.89 ATOM 53 CA ASN P 53 75.416 180.303 43.325 1.00 27.50 ATOM 54 CA THR P 54 74.375 176.688 43.640 1.00 31.19 ATOM 55 CA GLN P 55 72.674 174.531 46.218 1.00 27.97 ATOM 56 CA ASN P 56 71.471 170.940 46.022 1.00 27.30 ATOM 57 CA THR P 57 68.248 171.314 47.992 1.00 33.17 ATOM 58 CA MET P 58 66.817 169.004 50.636 1.00 34.91 ATOM 59 CA ASP P 59 63.923 168.898 48.224 1.00 39.50 ATOM 60 CA GLY P 60 65.747 166.761 45.688 1.00 38.45 ATOM 61 CA GLU P 61 65.947 169.741 43.310 1.00 39.02 ATOM 62 CA LYS P 62 68.911 172.045 42.591 1.00 32.51 ATOM 63 CA LYS P 63 68.541 175.711 43.444 1.00 31.22 ATOM 64 CA ALA P 64 70.428 178.483 41.682 1.00 31.93 ATOM 65 CA VAL P 65 70.769 182.091 42.825 1.00 35.38 ATOM 66 CA VAL P 66 71.783 184.122 39.780 1.00 37.17 ATOM 67 CA ARG P 67 73.038 187.680 40.381 1.00 42.37 ATOM 68 CA LEU P 68 72.145 189.929 37.450 1.00 47.79 ATOM 69 CA SER P 69 74.154 192.739 35.882 1.00 56.44 ATOM 70 CA GLU P 70 73.861 196.272 37.165 1.00 65.43 ATOM 71 CA ASP P 71 71.905 196.790 33.931 1.00 65.21 ATOM 72 CA ASP P 72 69.017 194.387 34.588 1.00 59.16 ATOM 73 CA ASP P 73 66.081 194.267 37.110 1.00 59.47 ATOM 74 CA ALA P 74 63.757 192.047 39.146 1.00 59.85 ATOM 75 CA GLN P 75 62.090 190.369 36.141 1.00 61.22 ATOM 76 CA GLU P 76 59.024 188.562 37.428 1.00 62.44 ATOM 77 CA VAL P 77 56.158 189.377 35.038 1.00 65.21 ATOM 78 CA ALA P 78 58.937 188.788 32.496 1.00 63.84 TER