HEADER RIBOSOME 06-MAY-03 4V48 TITLE Real space refined coordinates of the 30S and 50S subunits fitted TITLE 2 into the low resolution cryo-EM map of the initiation-like state of TITLE 3 E. coli 70S ribosome COMPND MOL_ID: 48; COMPND 2 MOLECULE: 30S RIBOSOMAL PROTEIN S20; COMPND 3 CHAIN: BT; EXPDTA ELECTRON MICROSCOPY DBREF 4V48 B 1 86 UNP P02378 RS20_ECOLI 1 86 SEQRES 1 BT 83 LYS SER ALA LYS LYS ARG ALA ILE GLN SER GLU LYS ALA SEQRES 2 BT 83 ARG LYS HIS ASN ALA SER ARG ARG SER MET MET ARG THR SEQRES 3 BT 83 PHE ILE LYS LYS VAL TYR ALA ALA ILE GLU ALA GLY ASP SEQRES 4 BT 83 LYS ALA ALA ALA GLN LYS ALA PHE ASN GLU MET GLN PRO SEQRES 5 BT 83 ILE VAL ASP ARG GLN ALA ALA LYS GLY LEU ILE HIS LYS SEQRES 6 BT 83 ASN LYS ALA ALA ARG HIS LYS ALA ASN LEU THR ALA GLN SEQRES 7 BT 83 ILE ASN LYS LEU ALA ATOM 1 CA LYS B 4 4.417 96.377 -26.078 1.00 15.00 ATOM 2 CA SER B 5 6.786 93.363 -26.470 1.00 15.00 ATOM 3 CA ALA B 6 5.746 90.879 -23.787 1.00 15.00 ATOM 4 CA LYS B 7 9.224 89.278 -24.037 1.00 15.00 ATOM 5 CA LYS B 8 11.149 92.451 -23.039 1.00 15.00 ATOM 6 CA ARG B 9 9.824 92.431 -19.437 1.00 15.00 ATOM 7 CA ALA B 10 10.837 88.753 -18.896 1.00 15.00 ATOM 8 CA ILE B 11 14.406 89.446 -20.208 1.00 15.00 ATOM 9 CA GLN B 12 14.679 92.652 -18.098 1.00 15.00 ATOM 10 CA SER B 13 13.570 90.978 -14.837 1.00 15.00 ATOM 11 CA GLU B 14 16.214 88.200 -15.315 1.00 15.00 ATOM 12 CA LYS B 15 19.049 90.673 -15.861 1.00 15.00 ATOM 13 CA ALA B 16 17.767 92.744 -12.863 1.00 15.00 ATOM 14 CA ARG B 17 18.124 89.550 -10.727 1.00 15.00 ATOM 15 CA LYS B 18 21.737 89.233 -11.948 1.00 15.00 ATOM 16 CA HIS B 19 22.271 92.962 -11.111 1.00 15.00 ATOM 17 CA ASN B 20 21.116 92.814 -7.448 1.00 15.00 ATOM 18 CA ALA B 21 22.746 89.386 -6.964 1.00 15.00 ATOM 19 CA SER B 22 26.136 91.086 -7.636 1.00 15.00 ATOM 20 CA ARG B 23 25.486 94.031 -5.244 1.00 15.00 ATOM 21 CA ARG B 24 24.601 91.718 -2.290 1.00 15.00 ATOM 22 CA SER B 25 27.775 89.675 -3.060 1.00 15.00 ATOM 23 CA MET B 26 29.796 92.928 -2.692 1.00 15.00 ATOM 24 CA MET B 27 27.998 93.691 0.559 1.00 15.00 ATOM 25 CA ARG B 28 28.724 90.194 1.979 1.00 15.00 ATOM 26 CA THR B 29 32.359 90.170 0.775 1.00 15.00 ATOM 27 CA PHE B 30 33.245 93.542 2.319 1.00 15.00 ATOM 28 CA ILE B 31 31.213 93.085 5.512 1.00 15.00 ATOM 29 CA LYS B 32 33.065 89.819 6.233 1.00 15.00 ATOM 30 CA LYS B 33 36.319 91.544 5.179 1.00 15.00 ATOM 31 CA VAL B 34 35.598 94.254 7.779 1.00 15.00 ATOM 32 CA TYR B 35 34.449 91.686 10.351 1.00 15.00 ATOM 33 CA ALA B 36 37.575 89.517 9.750 1.00 15.00 ATOM 34 CA ALA B 37 39.897 92.541 10.240 1.00 15.00 ATOM 35 CA ILE B 38 38.055 93.558 13.426 1.00 15.00 ATOM 36 CA GLU B 39 38.411 89.977 14.643 1.00 15.00 ATOM 37 CA ALA B 40 42.149 90.254 13.783 1.00 15.00 ATOM 38 CA GLY B 41 42.113 93.445 15.899 1.00 15.00 ATOM 39 CA ASP B 42 43.511 95.547 12.960 1.00 15.00 ATOM 40 CA LYS B 43 41.631 98.723 13.860 1.00 15.00 ATOM 41 CA ALA B 44 42.375 101.171 10.989 1.00 15.00 ATOM 42 CA ALA B 45 42.027 98.770 8.013 1.00 15.00 ATOM 43 CA ALA B 46 38.926 97.152 9.566 1.00 15.00 ATOM 44 CA GLN B 47 37.099 100.523 9.978 1.00 15.00 ATOM 45 CA LYS B 48 38.090 101.625 6.434 1.00 15.00 ATOM 46 CA ALA B 49 36.703 98.483 4.890 1.00 15.00 ATOM 47 CA PHE B 50 33.668 99.108 7.238 1.00 15.00 ATOM 48 CA ASN B 51 33.068 102.412 5.518 1.00 15.00 ATOM 49 CA GLU B 52 33.004 100.886 1.976 1.00 15.00 ATOM 50 CA MET B 53 30.492 98.304 3.348 1.00 15.00 ATOM 51 CA GLN B 54 28.342 101.130 4.807 1.00 15.00 ATOM 52 CA PRO B 55 28.108 103.132 1.498 1.00 15.00 ATOM 53 CA ILE B 56 27.606 99.943 -0.601 1.00 15.00 ATOM 54 CA VAL B 57 24.644 98.901 1.637 1.00 15.00 ATOM 55 CA ASP B 58 23.285 102.508 1.647 1.00 15.00 ATOM 56 CA ARG B 59 23.709 102.636 -2.136 1.00 15.00 ATOM 57 CA GLN B 60 21.899 99.260 -2.470 1.00 15.00 ATOM 58 CA ALA B 61 18.971 100.799 -0.562 1.00 15.00 ATOM 59 CA ALA B 62 19.019 103.689 -3.021 1.00 15.00 ATOM 60 CA LYS B 63 17.551 101.301 -5.673 1.00 15.00 ATOM 61 CA GLY B 64 15.367 98.193 -5.444 1.00 15.00 ATOM 62 CA LEU B 65 18.328 96.027 -4.242 1.00 15.00 ATOM 63 CA ILE B 66 18.115 96.213 -0.450 1.00 15.00 ATOM 64 CA HIS B 67 15.396 98.735 0.567 1.00 15.00 ATOM 65 CA LYS B 68 15.345 100.713 3.847 1.00 15.00 ATOM 66 CA ASN B 69 14.917 98.118 6.649 1.00 15.00 ATOM 67 CA LYS B 70 17.217 95.423 5.275 1.00 15.00 ATOM 68 CA ALA B 71 20.056 98.007 4.714 1.00 15.00 ATOM 69 CA ALA B 72 19.415 99.509 8.190 1.00 15.00 ATOM 70 CA ARG B 73 19.617 95.974 9.684 1.00 15.00 ATOM 71 CA HIS B 74 22.963 95.486 7.830 1.00 15.00 ATOM 72 CA LYS B 75 24.614 98.774 8.977 1.00 15.00 ATOM 73 CA ALA B 76 23.663 98.154 12.665 1.00 15.00 ATOM 74 CA ASN B 77 24.743 94.452 12.544 1.00 15.00 ATOM 75 CA LEU B 78 28.065 95.253 10.838 1.00 15.00 ATOM 76 CA THR B 79 28.858 98.221 13.182 1.00 15.00 ATOM 77 CA ALA B 80 27.885 95.996 16.181 1.00 15.00 ATOM 78 CA GLN B 81 30.132 93.085 15.196 1.00 15.00 ATOM 79 CA ILE B 82 33.036 95.405 14.420 1.00 15.00 ATOM 80 CA ASN B 83 32.839 97.412 17.673 1.00 15.00 ATOM 81 CA LYS B 84 32.537 94.163 19.674 1.00 15.00 ATOM 82 CA LEU B 85 35.396 92.303 18.011 1.00 15.00 ATOM 83 CA ALA B 86 37.708 95.386 18.096 1.00 15.00 TER