HEADER PROTEIN TRANSPORT 03-AUG-05 2AKI TITLE Normal mode-based flexible fitted coordinates of a translocating TITLE 2 SecYEG protein-conducting channel into the cryo-EM map of a TITLE 3 SecYEG-nascent chain-70S ribosome complex from E. coli COMPND MOL_ID: 1; COMPND 2 MOLECULE: Protein-export membrane protein secG; COMPND 3 CHAIN: X, A; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 2AKI A 1 77 UNP P33582 SECG_ECOLI 1 77 SEQRES 1 A 77 MET TYR GLU ALA LEU LEU VAL VAL PHE LEU ILE VAL ALA SEQRES 2 A 77 ILE GLY LEU VAL GLY LEU ILE MET LEU GLN GLN GLY LYS SEQRES 3 A 77 GLY ALA ASP MET GLY ALA SER PHE GLY ALA GLY ALA SER SEQRES 4 A 77 ALA THR LEU PHE GLY SER SER GLY SER GLY ASN PHE MET SEQRES 5 A 77 THR ARG MET THR ALA LEU LEU ALA THR LEU PHE PHE ILE SEQRES 6 A 77 ILE SER LEU VAL LEU GLY ASN ILE ASN SER ASN LYS ATOM 1 CA MET A 1 157.596 23.300 -14.593 1.00 15.00 ATOM 2 CA TYR A 2 155.832 21.663 -11.633 1.00 15.00 ATOM 3 CA GLU A 3 153.800 23.668 -9.083 1.00 15.00 ATOM 4 CA ALA A 4 153.567 26.507 -11.620 1.00 15.00 ATOM 5 CA LEU A 5 151.702 24.374 -14.172 1.00 15.00 ATOM 6 CA LEU A 6 149.358 22.005 -12.311 1.00 15.00 ATOM 7 CA VAL A 7 147.470 24.897 -10.700 1.00 15.00 ATOM 8 CA VAL A 8 146.897 26.331 -14.185 1.00 15.00 ATOM 9 CA PHE A 9 145.466 23.087 -15.594 1.00 15.00 ATOM 10 CA LEU A 10 143.205 22.593 -12.567 1.00 15.00 ATOM 11 CA ILE A 11 141.208 25.645 -13.699 1.00 15.00 ATOM 12 CA VAL A 12 141.532 25.748 -17.500 1.00 15.00 ATOM 13 CA ALA A 13 139.679 22.416 -17.646 1.00 15.00 ATOM 14 CA ILE A 14 136.365 23.628 -16.202 1.00 15.00 ATOM 15 CA GLY A 15 136.433 26.506 -18.676 1.00 15.00 ATOM 16 CA LEU A 16 135.195 24.014 -21.272 1.00 15.00 ATOM 17 CA VAL A 17 133.005 21.436 -19.500 1.00 15.00 ATOM 18 CA GLY A 18 130.934 24.022 -17.637 1.00 15.00 ATOM 19 CA LEU A 19 129.620 25.349 -20.955 1.00 15.00 ATOM 20 CA ILE A 20 127.965 22.304 -22.541 1.00 15.00 ATOM 21 CA MET A 21 125.129 22.239 -19.995 1.00 15.00 ATOM 22 CA LEU A 22 123.008 25.154 -21.246 1.00 15.00 ATOM 23 CA GLN A 23 122.452 24.408 -24.947 1.00 15.00 ATOM 24 CA GLN A 24 119.415 22.176 -24.218 1.00 15.00 ATOM 25 CA GLY A 25 117.709 19.817 -26.658 1.00 15.00 ATOM 26 CA LYS A 26 114.979 17.411 -25.530 1.00 15.00 ATOM 27 CA GLY A 27 111.336 18.248 -24.894 1.00 15.00 ATOM 28 CA ALA A 28 110.006 14.988 -23.431 1.00 15.00 ATOM 29 CA ASP A 29 109.295 12.062 -25.760 1.00 15.00 ATOM 30 CA MET A 30 107.137 10.572 -22.994 1.00 15.00 ATOM 31 CA GLY A 31 104.470 8.093 -24.051 1.00 15.00 ATOM 32 CA ALA A 32 101.944 9.921 -21.868 1.00 15.00 ATOM 33 CA SER A 33 103.012 13.548 -22.470 1.00 15.00 ATOM 34 CA PHE A 34 103.270 16.228 -19.771 1.00 15.00 ATOM 35 CA GLY A 35 101.280 19.003 -21.426 1.00 15.00 ATOM 36 CA ALA A 36 100.163 22.179 -19.656 1.00 15.00 ATOM 37 CA GLY A 37 96.921 23.290 -18.030 1.00 15.00 ATOM 38 CA ALA A 38 97.928 26.934 -17.659 1.00 15.00 ATOM 39 CA SER A 39 101.626 27.809 -17.980 1.00 15.00 ATOM 40 CA ALA A 40 102.351 30.412 -15.290 1.00 15.00 ATOM 41 CA THR A 41 105.910 30.383 -13.912 1.00 15.00 ATOM 42 CA LEU A 42 105.990 28.270 -10.715 1.00 15.00 ATOM 43 CA PHE A 43 104.013 27.644 -7.520 1.00 15.00 ATOM 44 CA GLY A 44 105.346 30.420 -5.299 1.00 15.00 ATOM 45 CA SER A 45 108.725 31.241 -3.746 1.00 15.00 ATOM 46 CA SER A 46 110.459 27.943 -4.617 1.00 15.00 ATOM 47 CA GLY A 47 113.938 26.728 -5.617 1.00 15.00 ATOM 48 CA SER A 48 116.044 26.311 -8.774 1.00 15.00 ATOM 49 CA GLY A 49 114.541 24.652 -11.839 1.00 15.00 ATOM 50 CA ASN A 50 116.655 22.323 -13.990 1.00 15.00 ATOM 51 CA PHE A 51 117.181 21.850 -17.740 1.00 15.00 ATOM 52 CA MET A 52 117.400 18.659 -19.842 1.00 15.00 ATOM 53 CA THR A 53 120.067 18.367 -22.584 1.00 15.00 ATOM 54 CA ARG A 54 120.378 15.701 -25.301 1.00 15.00 ATOM 55 CA MET A 55 122.686 12.658 -25.089 1.00 15.00 ATOM 56 CA THR A 56 124.652 13.660 -28.205 1.00 15.00 ATOM 57 CA ALA A 57 125.821 16.717 -26.237 1.00 15.00 ATOM 58 CA LEU A 58 127.509 14.723 -23.452 1.00 15.00 ATOM 59 CA LEU A 59 130.193 13.033 -25.581 1.00 15.00 ATOM 60 CA ALA A 60 130.830 16.303 -27.445 1.00 15.00 ATOM 61 CA THR A 61 133.383 17.374 -24.826 1.00 15.00 ATOM 62 CA LEU A 62 134.547 13.975 -23.537 1.00 15.00 ATOM 63 CA PHE A 63 136.225 13.221 -26.876 1.00 15.00 ATOM 64 CA PHE A 64 137.675 16.750 -26.849 1.00 15.00 ATOM 65 CA ILE A 65 139.309 16.937 -23.403 1.00 15.00 ATOM 66 CA ILE A 66 141.752 14.185 -24.436 1.00 15.00 ATOM 67 CA SER A 67 143.810 16.641 -26.512 1.00 15.00 ATOM 68 CA LEU A 68 144.292 19.227 -23.752 1.00 15.00 ATOM 69 CA VAL A 69 145.840 16.847 -21.211 1.00 15.00 ATOM 70 CA LEU A 70 148.183 15.366 -23.825 1.00 15.00 ATOM 71 CA GLY A 71 148.960 18.810 -25.223 1.00 15.00 ATOM 72 CA ASN A 72 151.300 19.484 -22.300 1.00 15.00 ATOM 73 CA ILE A 73 153.565 16.423 -22.216 1.00 15.00 ATOM 74 CA ASN A 74 154.333 14.968 -25.660 1.00 15.00 ATOM 75 CA SER A 75 156.754 17.175 -27.614 1.00 15.00 ATOM 76 CA ASN A 76 159.629 16.837 -25.102 1.00 15.00 ATOM 77 CA LYS A 77 161.033 20.183 -23.871 1.00 15.00 TER