HEADER RIBOSOME 30-MAR-01 4V42 TITLE Crystal structure of the ribosome at 5.5 A resolution. COMPND MOL_ID: 43; COMPND 2 MOLECULE: 50S RIBOSOMAL PROTEIN L23; COMPND 3 CHAIN: BT; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 5.50 ANGSTORMS REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 GLN B 21 REMARK 465 ALA B 74 DBREF 4V42 B 1 84 UNP P12732 RL23_HALMA 1 84 SEQRES 1 BT 78 SER TRP ASP VAL ILE LYS HIS PRO HIS VAL THR GLU LYS SEQRES 2 BT 78 ALA MET ASN ASP MET ASP PHE GLN ASN LYS LEU GLN PHE SEQRES 3 BT 78 ALA VAL ASP ASP ARG ALA SER LYS GLY GLU VAL ALA ASP SEQRES 4 BT 78 ALA VAL GLU GLU GLN TYR ASP VAL THR VAL GLU GLN VAL SEQRES 5 BT 78 ASN THR GLN ASN THR MET ASP GLY GLU LYS LYS ALA VAL SEQRES 6 BT 78 VAL ARG LEU SER GLU ASP ASP ASP ALA GLN GLU VAL ALA ATOM 1 CA SER B 1 90.505 164.084 369.282 1.00 0.00 ATOM 2 CA TRP B 2 86.853 164.827 370.167 1.00 0.00 ATOM 3 CA ASP B 3 85.879 165.596 373.778 1.00 0.00 ATOM 4 CA VAL B 4 82.984 164.044 375.696 1.00 0.00 ATOM 5 CA ILE B 5 81.490 166.991 377.562 1.00 0.00 ATOM 6 CA LYS B 6 80.817 170.102 375.453 1.00 0.00 ATOM 7 CA HIS B 7 79.269 172.449 377.993 1.00 0.00 ATOM 8 CA PRO B 8 76.546 172.578 380.626 1.00 0.00 ATOM 9 CA HIS B 9 73.043 172.580 379.194 1.00 0.00 ATOM 10 CA VAL B 10 71.541 175.305 381.321 1.00 0.00 ATOM 11 CA THR B 11 67.813 175.900 381.041 1.00 0.00 ATOM 12 CA GLU B 12 64.879 176.371 383.389 1.00 0.00 ATOM 13 CA LYS B 13 64.100 172.665 383.171 1.00 0.00 ATOM 14 CA ALA B 14 67.724 171.775 383.894 1.00 0.00 ATOM 15 CA MET B 15 67.627 173.992 386.963 1.00 0.00 ATOM 16 CA ASN B 16 64.659 172.046 388.311 1.00 0.00 ATOM 17 CA ASP B 17 66.374 168.675 387.887 1.00 0.00 ATOM 18 CA MET B 18 69.435 170.179 389.521 1.00 0.00 ATOM 19 CA ASP B 19 67.370 171.495 392.447 1.00 0.00 ATOM 20 CA PHE B 20 64.866 168.710 393.045 1.00 0.00 ATOM 21 CA ASN B 22 70.227 166.387 392.015 1.00 0.00 ATOM 22 CA LYS B 23 70.759 166.116 388.262 1.00 0.00 ATOM 23 CA LEU B 24 73.192 167.985 386.018 1.00 0.00 ATOM 24 CA GLN B 25 72.473 168.387 382.306 1.00 0.00 ATOM 25 CA PHE B 26 75.199 168.706 379.672 1.00 0.00 ATOM 26 CA ALA B 27 75.560 168.972 375.924 1.00 0.00 ATOM 27 CA VAL B 28 77.795 166.089 374.904 1.00 0.00 ATOM 28 CA ASP B 29 79.281 164.602 371.773 1.00 0.00 ATOM 29 CA ASP B 30 76.673 162.377 370.173 1.00 0.00 ATOM 30 CA ARG B 31 79.350 159.749 369.686 1.00 0.00 ATOM 31 CA ALA B 32 79.627 159.347 373.469 1.00 0.00 ATOM 32 CA SER B 33 77.850 156.590 375.374 1.00 0.00 ATOM 33 CA LYS B 34 76.206 156.838 378.768 1.00 0.00 ATOM 34 CA GLY B 35 79.198 155.177 380.408 1.00 0.00 ATOM 35 CA GLU B 36 81.558 157.645 378.756 1.00 0.00 ATOM 36 CA VAL B 37 79.531 160.568 380.023 1.00 0.00 ATOM 37 CA ALA B 38 79.288 158.962 383.439 1.00 0.00 ATOM 38 CA ASP B 39 83.063 158.790 383.598 1.00 0.00 ATOM 39 CA ALA B 40 84.008 162.096 381.988 1.00 0.00 ATOM 40 CA VAL B 41 81.646 163.926 384.307 1.00 0.00 ATOM 41 CA GLU B 42 83.153 162.150 387.300 1.00 0.00 ATOM 42 CA GLU B 43 86.711 162.820 386.177 1.00 0.00 ATOM 43 CA GLN B 44 86.092 166.552 385.876 1.00 0.00 ATOM 44 CA TYR B 45 84.199 167.068 389.113 1.00 0.00 ATOM 45 CA ASP B 46 84.628 165.514 392.544 1.00 0.00 ATOM 46 CA VAL B 47 81.306 163.700 392.104 1.00 0.00 ATOM 47 CA THR B 48 79.880 160.181 391.898 1.00 0.00 ATOM 48 CA VAL B 49 77.545 159.557 388.959 1.00 0.00 ATOM 49 CA GLU B 50 74.555 157.406 389.812 1.00 0.00 ATOM 50 CA GLN B 51 72.625 157.446 386.554 1.00 0.00 ATOM 51 CA VAL B 52 72.764 158.940 383.076 1.00 0.00 ATOM 52 CA ASN B 53 69.904 159.555 380.668 1.00 0.00 ATOM 53 CA THR B 54 70.473 160.275 377.006 1.00 0.00 ATOM 54 CA GLN B 55 68.710 162.174 374.271 1.00 0.00 ATOM 55 CA ASN B 56 69.798 162.968 370.726 1.00 0.00 ATOM 56 CA THR B 57 68.432 166.502 370.492 1.00 0.00 ATOM 57 CA MET B 58 66.584 168.131 367.611 1.00 0.00 ATOM 58 CA ASP B 59 69.472 170.545 367.814 1.00 0.00 ATOM 59 CA GLY B 60 71.976 168.112 366.352 1.00 0.00 ATOM 60 CA GLU B 61 73.673 167.800 369.758 1.00 0.00 ATOM 61 CA LYS B 62 73.379 164.997 372.340 1.00 0.00 ATOM 62 CA LYS B 63 71.938 165.865 375.727 1.00 0.00 ATOM 63 CA ALA B 64 72.764 163.985 378.910 1.00 0.00 ATOM 64 CA VAL B 65 70.922 164.200 382.227 1.00 0.00 ATOM 65 CA VAL B 66 73.287 162.883 384.891 1.00 0.00 ATOM 66 CA ARG B 67 71.805 162.104 388.325 1.00 0.00 ATOM 67 CA LEU B 68 74.377 162.697 391.060 1.00 0.00 ATOM 68 CA SER B 69 74.985 160.734 394.248 1.00 0.00 ATOM 69 CA GLU B 70 73.141 161.587 397.424 1.00 0.00 ATOM 70 CA ASP B 71 76.528 163.001 398.462 1.00 0.00 ATOM 71 CA ASP B 72 76.887 165.710 395.801 1.00 0.00 ATOM 72 CA ASP B 73 75.027 169.009 394.991 1.00 0.00 ATOM 73 CA GLN B 75 77.440 172.373 391.128 1.00 0.00 ATOM 74 CA GLU B 76 77.113 175.422 388.911 1.00 0.00 ATOM 75 CA VAL B 77 79.801 177.902 390.012 1.00 0.00 ATOM 76 CA ALA B 78 81.842 174.684 390.123 1.00 0.00 TER