HEADER PROTEIN TRANSPORT 27-APR-07 2YXR TITLE The plug domain of the SecY protein stablizes the closed state of the TITLE 2 translocation channel and maintains a membrane seal COMPND MOL_ID: 3; COMPND 2 MOLECULE: Preprotein translocase secG subunit; COMPND 3 CHAIN: C; COMPND 4 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.60 ANGSTORMS DBREF 2YXR C 1 53 UNP P60460 SECG_METJA 1 53 SEQRES 1 C 32 GLU THR PHE SER LYS ILE ARG VAL LYS PRO GLU HIS VAL SEQRES 2 C 32 ILE GLY VAL THR VAL ALA PHE VAL ILE ILE GLU ALA ILE SEQRES 3 C 32 LEU THR TYR GLY ARG PHE ATOM 1 N GLU C 21 0.699 -27.515 -32.434 1.00166.64 ATOM 2 CA GLU C 21 1.276 -28.870 -32.641 1.00167.21 ATOM 3 C GLU C 21 2.479 -28.814 -33.566 1.00167.05 ATOM 4 O GLU C 21 3.261 -27.865 -33.497 1.00166.55 ATOM 5 CB GLU C 21 0.213 -29.817 -33.200 1.00167.72 ATOM 6 CG GLU C 21 -0.963 -30.012 -32.255 1.00168.71 ATOM 7 CD GLU C 21 -1.998 -30.974 -32.795 1.00169.43 ATOM 8 OE1 GLU C 21 -1.620 -32.136 -33.061 1.00170.21 ATOM 9 OE2 GLU C 21 -3.178 -30.572 -32.950 1.00169.38 ATOM 10 N THR C 22 2.628 -29.815 -34.434 1.00167.25 ATOM 11 CA THR C 22 3.776 -29.863 -35.346 1.00167.42 ATOM 12 C THR C 22 3.443 -29.818 -36.839 1.00167.03 ATOM 13 O THR C 22 2.399 -30.307 -37.271 1.00166.72 ATOM 14 CB THR C 22 4.626 -31.131 -35.099 1.00168.04 ATOM 15 OG1 THR C 22 4.812 -31.322 -33.690 1.00169.02 ATOM 16 CG2 THR C 22 5.988 -30.991 -35.765 1.00167.84 ATOM 17 N PHE C 23 4.353 -29.233 -37.614 1.00167.03 ATOM 18 CA PHE C 23 4.199 -29.126 -39.059 1.00167.60 ATOM 19 C PHE C 23 4.974 -30.234 -39.758 1.00167.03 ATOM 20 O PHE C 23 5.281 -30.140 -40.947 1.00167.09 ATOM 21 CB PHE C 23 4.706 -27.772 -39.552 1.00169.27 ATOM 22 CG PHE C 23 3.799 -26.623 -39.220 1.00171.67 ATOM 23 CD1 PHE C 23 4.233 -25.314 -39.409 1.00172.60 ATOM 24 CD2 PHE C 23 2.500 -26.842 -38.727 1.00172.58 ATOM 25 CE1 PHE C 23 3.384 -24.227 -39.116 1.00173.70 ATOM 26 CE2 PHE C 23 1.639 -25.764 -38.429 1.00173.34 ATOM 27 CZ PHE C 23 2.082 -24.455 -38.621 1.00173.79 ATOM 28 N SER C 24 5.297 -31.284 -39.011 1.00166.31 ATOM 29 CA SER C 24 6.034 -32.417 -39.562 1.00165.44 ATOM 30 C SER C 24 5.096 -33.274 -40.397 1.00164.50 ATOM 31 O SER C 24 4.321 -34.083 -39.861 1.00164.30 ATOM 32 CB SER C 24 6.629 -33.255 -38.434 1.00165.92 ATOM 33 OG SER C 24 7.550 -32.493 -37.674 1.00166.01 ATOM 34 N LYS C 25 5.167 -33.086 -41.711 1.00163.52 ATOM 35 CA LYS C 25 4.316 -33.820 -42.629 1.00163.03 ATOM 36 C LYS C 25 4.467 -35.333 -42.452 1.00162.48 ATOM 37 O LYS C 25 3.619 -36.098 -42.920 1.00162.71 ATOM 38 CB LYS C 25 4.640 -33.412 -44.067 1.00163.38 ATOM 39 CG LYS C 25 3.719 -34.008 -45.123 1.00164.23 ATOM 40 CD LYS C 25 3.963 -33.375 -46.496 1.00164.95 ATOM 41 CE LYS C 25 5.391 -33.600 -47.008 1.00165.40 ATOM 42 NZ LYS C 25 5.707 -35.038 -47.258 1.00164.93 ATOM 43 N ILE C 26 5.537 -35.756 -41.771 1.00161.38 ATOM 44 CA ILE C 26 5.800 -37.183 -41.525 1.00159.93 ATOM 45 C ILE C 26 5.526 -37.574 -40.067 1.00159.88 ATOM 46 O ILE C 26 5.690 -36.762 -39.158 1.00160.47 ATOM 47 CB ILE C 26 7.267 -37.563 -41.854 1.00158.32 ATOM 48 CG1 ILE C 26 7.630 -37.071 -43.253 1.00157.26 ATOM 49 CG2 ILE C 26 7.444 -39.070 -41.776 1.00157.45 ATOM 50 CD1 ILE C 26 9.051 -37.357 -43.650 1.00155.63 ATOM 51 N ARG C 27 5.099 -38.816 -39.856 1.00159.00 ATOM 52 CA ARG C 27 4.807 -39.316 -38.517 1.00157.99 ATOM 53 C ARG C 27 5.618 -40.572 -38.238 1.00157.17 ATOM 54 O ARG C 27 5.590 -41.522 -39.018 1.00156.97 ATOM 55 CB ARG C 27 3.316 -39.633 -38.369 1.00158.04 ATOM 56 CG ARG C 27 2.418 -38.417 -38.202 1.00157.97 ATOM 57 CD ARG C 27 2.781 -37.652 -36.951 1.00158.15 ATOM 58 NE ARG C 27 1.805 -36.613 -36.634 1.00158.57 ATOM 59 CZ ARG C 27 1.911 -35.774 -35.603 1.00158.60 ATOM 60 NH1 ARG C 27 2.957 -35.849 -34.788 1.00158.41 ATOM 61 NH2 ARG C 27 0.968 -34.866 -35.370 1.00158.78 ATOM 62 N VAL C 28 6.335 -40.570 -37.118 1.00156.36 ATOM 63 CA VAL C 28 7.159 -41.710 -36.738 1.00155.28 ATOM 64 C VAL C 28 6.772 -42.252 -35.382 1.00154.87 ATOM 65 O VAL C 28 6.742 -41.518 -34.390 1.00154.71 ATOM 66 CB VAL C 28 8.626 -41.335 -36.665 1.00155.45 ATOM 67 CG1 VAL C 28 9.462 -42.592 -36.505 1.00154.48 ATOM 68 CG2 VAL C 28 9.021 -40.559 -37.910 1.00156.46 ATOM 69 N LYS C 29 6.480 -43.546 -35.341 1.00154.74 ATOM 70 CA LYS C 29 6.091 -44.184 -34.092 1.00154.78 ATOM 71 C LYS C 29 7.330 -44.576 -33.298 1.00153.21 ATOM 72 O LYS C 29 8.245 -45.212 -33.832 1.00153.08 ATOM 73 CB LYS C 29 5.215 -45.420 -34.358 1.00156.37 ATOM 74 CG LYS C 29 3.795 -45.094 -34.839 1.00157.19 ATOM 75 CD LYS C 29 2.948 -46.357 -34.998 1.00157.96 ATOM 76 CE LYS C 29 2.715 -47.070 -33.663 1.00158.95 ATOM 77 NZ LYS C 29 1.911 -46.256 -32.697 1.00159.65 ATOM 78 N PRO C 30 7.368 -44.199 -32.005 1.00151.52 ATOM 79 CA PRO C 30 8.454 -44.461 -31.054 1.00150.11 ATOM 80 C PRO C 30 9.151 -45.810 -31.195 1.00148.73 ATOM 81 O PRO C 30 10.383 -45.890 -31.220 1.00148.70 ATOM 82 CB PRO C 30 7.760 -44.302 -29.709 1.00150.07 ATOM 83 CG PRO C 30 6.849 -43.175 -29.983 1.00150.08 ATOM 84 CD PRO C 30 6.242 -43.540 -31.314 1.00150.51 ATOM 85 N GLU C 31 8.356 -46.869 -31.268 1.00146.94 ATOM 86 CA GLU C 31 8.893 -48.211 -31.415 1.00144.94 ATOM 87 C GLU C 31 10.029 -48.197 -32.428 1.00143.01 ATOM 88 O GLU C 31 11.016 -48.921 -32.278 1.00143.10 ATOM 89 CB GLU C 31 7.799 -49.174 -31.876 1.00145.53 ATOM 90 CG GLU C 31 6.677 -49.360 -30.867 1.00146.90 ATOM 91 CD GLU C 31 5.805 -48.122 -30.679 1.00147.76 ATOM 92 OE1 GLU C 31 4.911 -48.151 -29.805 1.00148.48 ATOM 93 OE2 GLU C 31 6.003 -47.128 -31.404 1.00148.15 ATOM 94 N HIS C 32 9.894 -47.357 -33.451 1.00140.29 ATOM 95 CA HIS C 32 10.916 -47.251 -34.483 1.00137.38 ATOM 96 C HIS C 32 12.192 -46.628 -33.953 1.00133.40 ATOM 97 O HIS C 32 13.246 -47.256 -33.995 1.00133.10 ATOM 98 CB HIS C 32 10.395 -46.449 -35.688 1.00140.73 ATOM 99 CG HIS C 32 9.726 -47.286 -36.735 1.00143.66 ATOM 100 ND1 HIS C 32 8.575 -48.028 -36.498 1.00144.24 ATOM 101 CD2 HIS C 32 10.051 -47.539 -38.029 1.00144.35 ATOM 102 CE1 HIS C 32 8.237 -48.683 -37.579 1.00144.20 ATOM 103 NE2 HIS C 32 9.119 -48.408 -38.536 1.00144.60 ATOM 104 N VAL C 33 12.102 -45.397 -33.459 1.00128.79 ATOM 105 CA VAL C 33 13.288 -44.742 -32.925 1.00124.25 ATOM 106 C VAL C 33 14.001 -45.652 -31.919 1.00122.26 ATOM 107 O VAL C 33 15.229 -45.816 -31.996 1.00122.48 ATOM 108 CB VAL C 33 12.958 -43.399 -32.243 1.00122.61 ATOM 109 CG1 VAL C 33 12.976 -42.277 -33.259 1.00120.78 ATOM 110 CG2 VAL C 33 11.625 -43.484 -31.585 1.00121.33 ATOM 111 N ILE C 34 13.251 -46.251 -30.990 1.00119.52 ATOM 112 CA ILE C 34 13.860 -47.141 -30.002 1.00117.27 ATOM 113 C ILE C 34 14.667 -48.203 -30.734 1.00116.90 ATOM 114 O ILE C 34 15.841 -48.398 -30.462 1.00117.63 ATOM 115 CB ILE C 34 12.812 -47.852 -29.153 1.00116.37 ATOM 116 CG1 ILE C 34 11.788 -46.847 -28.625 1.00116.32 ATOM 117 CG2 ILE C 34 13.493 -48.573 -27.996 1.00114.41 ATOM 118 CD1 ILE C 34 12.329 -45.910 -27.597 1.00116.50 ATOM 119 N GLY C 35 14.027 -48.880 -31.678 1.00115.85 ATOM 120 CA GLY C 35 14.718 -49.896 -32.449 1.00114.09 ATOM 121 C GLY C 35 15.903 -49.333 -33.229 1.00113.34 ATOM 122 O GLY C 35 17.007 -49.869 -33.162 1.00112.83 ATOM 123 N VAL C 36 15.680 -48.256 -33.977 1.00112.65 ATOM 124 CA VAL C 36 16.739 -47.627 -34.761 1.00112.28 ATOM 125 C VAL C 36 17.940 -47.358 -33.882 1.00112.21 ATOM 126 O VAL C 36 19.084 -47.383 -34.346 1.00111.80 ATOM 127 CB VAL C 36 16.271 -46.293 -35.343 1.00112.71 ATOM 128 CG1 VAL C 36 17.365 -45.692 -36.198 1.00112.40 ATOM 129 CG2 VAL C 36 15.005 -46.503 -36.163 1.00114.54 ATOM 130 N THR C 37 17.659 -47.093 -32.607 1.00112.85 ATOM 131 CA THR C 37 18.698 -46.818 -31.614 1.00112.67 ATOM 132 C THR C 37 19.447 -48.111 -31.266 1.00112.91 ATOM 133 O THR C 37 20.693 -48.144 -31.269 1.00113.18 ATOM 134 CB THR C 37 18.105 -46.236 -30.321 1.00111.65 ATOM 135 OG1 THR C 37 17.480 -44.988 -30.607 1.00110.05 ATOM 136 CG2 THR C 37 19.175 -45.987 -29.312 1.00111.06 ATOM 137 N VAL C 38 18.695 -49.177 -30.973 1.00112.70 ATOM 138 CA VAL C 38 19.307 -50.470 -30.654 1.00112.53 ATOM 139 C VAL C 38 20.226 -50.796 -31.837 1.00113.25 ATOM 140 O VAL C 38 21.199 -51.541 -31.699 1.00112.81 ATOM 141 CB VAL C 38 18.259 -51.591 -30.524 1.00112.15 ATOM 142 CG1 VAL C 38 18.842 -52.743 -29.731 1.00111.02 ATOM 143 CG2 VAL C 38 16.991 -51.060 -29.876 1.00111.64 ATOM 144 N ALA C 39 19.897 -50.222 -32.997 1.00114.18 ATOM 145 CA ALA C 39 20.681 -50.404 -34.210 1.00114.56 ATOM 146 C ALA C 39 22.029 -49.765 -33.959 1.00114.50 ATOM 147 O ALA C 39 23.038 -50.461 -33.947 1.00115.40 ATOM 148 CB ALA C 39 20.007 -49.739 -35.402 1.00114.34 ATOM 149 N PHE C 40 22.045 -48.449 -33.746 1.00113.45 ATOM 150 CA PHE C 40 23.302 -47.756 -33.494 1.00112.05 ATOM 151 C PHE C 40 24.147 -48.561 -32.557 1.00111.71 ATOM 152 O PHE C 40 25.346 -48.714 -32.800 1.00111.87 ATOM 153 CB PHE C 40 23.088 -46.392 -32.873 1.00111.39 ATOM 154 CG PHE C 40 23.102 -45.283 -33.864 1.00112.40 ATOM 155 CD1 PHE C 40 22.004 -45.083 -34.731 1.00113.73 ATOM 156 CD2 PHE C 40 24.203 -44.427 -33.941 1.00111.36 ATOM 157 CE1 PHE C 40 21.998 -44.030 -35.677 1.00113.09 ATOM 158 CE2 PHE C 40 24.218 -43.380 -34.869 1.00112.49 ATOM 159 CZ PHE C 40 23.104 -43.178 -35.744 1.00112.62 ATOM 160 N VAL C 41 23.526 -49.083 -31.494 1.00111.25 ATOM 161 CA VAL C 41 24.253 -49.897 -30.502 1.00111.71 ATOM 162 C VAL C 41 24.946 -51.098 -31.162 1.00113.91 ATOM 163 O VAL C 41 26.175 -51.097 -31.345 1.00115.32 ATOM 164 CB VAL C 41 23.328 -50.420 -29.382 1.00109.12 ATOM 165 CG1 VAL C 41 24.100 -51.339 -28.449 1.00106.99 ATOM 166 CG2 VAL C 41 22.757 -49.260 -28.614 1.00108.06 ATOM 167 N ILE C 42 24.156 -52.104 -31.539 1.00115.20 ATOM 168 CA ILE C 42 24.686 -53.304 -32.189 1.00115.67 ATOM 169 C ILE C 42 25.761 -53.018 -33.238 1.00116.68 ATOM 170 O ILE C 42 26.839 -53.605 -33.193 1.00116.52 ATOM 171 CB ILE C 42 23.565 -54.098 -32.849 1.00114.50 ATOM 172 CG1 ILE C 42 22.670 -54.701 -31.764 1.00113.93 ATOM 173 CG2 ILE C 42 24.149 -55.157 -33.750 1.00113.91 ATOM 174 CD1 ILE C 42 23.415 -55.606 -30.789 1.00111.56 ATOM 175 N ILE C 43 25.457 -52.126 -34.178 1.00118.03 ATOM 176 CA ILE C 43 26.407 -51.750 -35.223 1.00119.02 ATOM 177 C ILE C 43 27.760 -51.356 -34.631 1.00120.29 ATOM 178 O ILE C 43 28.762 -52.047 -34.873 1.00120.48 ATOM 179 CB ILE C 43 25.886 -50.562 -36.097 1.00118.07 ATOM 180 CG1 ILE C 43 24.684 -51.012 -36.931 1.00117.13 ATOM 181 CG2 ILE C 43 27.012 -50.039 -37.009 1.00116.74 ATOM 182 CD1 ILE C 43 24.141 -49.939 -37.844 1.00116.30 ATOM 183 N GLU C 44 27.784 -50.258 -33.865 1.00121.53 ATOM 184 CA GLU C 44 29.025 -49.776 -33.254 1.00122.83 ATOM 185 C GLU C 44 29.530 -50.652 -32.113 1.00123.64 ATOM 186 O GLU C 44 30.727 -50.675 -31.824 1.00124.03 ATOM 187 CB GLU C 44 28.869 -48.339 -32.760 1.00122.47 ATOM 188 CG GLU C 44 29.130 -47.278 -33.821 1.00122.56 ATOM 189 CD GLU C 44 27.886 -46.426 -34.122 1.00124.22 ATOM 190 OE1 GLU C 44 28.072 -45.367 -34.772 1.00126.09 ATOM 191 OE2 GLU C 44 26.739 -46.801 -33.719 1.00124.16 ATOM 192 N ALA C 45 28.624 -51.381 -31.472 1.00124.86 ATOM 193 CA ALA C 45 29.002 -52.273 -30.382 1.00126.98 ATOM 194 C ALA C 45 29.869 -53.416 -30.925 1.00128.66 ATOM 195 O ALA C 45 30.636 -54.041 -30.194 1.00128.73 ATOM 196 CB ALA C 45 27.752 -52.831 -29.702 1.00126.88 ATOM 197 N ILE C 46 29.746 -53.675 -32.221 1.00130.99 ATOM 198 CA ILE C 46 30.504 -54.735 -32.874 1.00133.44 ATOM 199 C ILE C 46 31.492 -54.165 -33.873 1.00136.13 ATOM 200 O ILE C 46 32.581 -54.690 -34.037 1.00136.01 ATOM 201 CB ILE C 46 29.564 -55.702 -33.594 1.00132.44 ATOM 202 CG1 ILE C 46 28.615 -56.342 -32.573 1.00131.88 ATOM 203 CG2 ILE C 46 30.366 -56.750 -34.321 1.00132.25 ATOM 204 CD1 ILE C 46 27.637 -57.339 -33.153 1.00131.02 ATOM 205 N LEU C 47 31.097 -53.089 -34.546 1.00139.99 ATOM 206 CA LEU C 47 31.959 -52.410 -35.518 1.00144.03 ATOM 207 C LEU C 47 33.295 -52.023 -34.859 1.00147.39 ATOM 208 O LEU C 47 34.347 -52.035 -35.508 1.00146.81 ATOM 209 CB LEU C 47 31.263 -51.143 -36.058 1.00143.29 ATOM 210 CG LEU C 47 32.097 -50.129 -36.858 1.00142.64 ATOM 211 CD1 LEU C 47 32.515 -50.722 -38.186 1.00141.90 ATOM 212 CD2 LEU C 47 31.274 -48.866 -37.076 1.00142.86 ATOM 213 N THR C 48 33.240 -51.682 -33.568 1.00152.15 ATOM 214 CA THR C 48 34.431 -51.283 -32.814 1.00156.12 ATOM 215 C THR C 48 34.976 -52.472 -32.040 1.00158.47 ATOM 216 O THR C 48 35.992 -53.034 -32.420 1.00158.56 ATOM 217 CB THR C 48 34.125 -50.135 -31.799 1.00156.34 ATOM 218 OG1 THR C 48 33.480 -49.036 -32.467 1.00156.58 ATOM 219 CG2 THR C 48 35.422 -49.639 -31.155 1.00156.03 ATOM 220 N TYR C 49 34.291 -52.852 -30.967 1.00161.76 ATOM 221 CA TYR C 49 34.721 -53.969 -30.146 1.00165.58 ATOM 222 C TYR C 49 34.575 -55.257 -30.909 1.00168.47 ATOM 223 O TYR C 49 33.943 -55.288 -31.960 1.00168.98 ATOM 224 CB TYR C 49 33.896 -54.047 -28.879 1.00165.61 ATOM 225 CG TYR C 49 33.801 -52.731 -28.151 1.00166.48 ATOM 226 CD1 TYR C 49 33.061 -51.672 -28.682 1.00167.10 ATOM 227 CD2 TYR C 49 34.452 -52.535 -26.930 1.00166.46 ATOM 228 CE1 TYR C 49 32.959 -50.451 -28.012 1.00167.32 ATOM 229 CE2 TYR C 49 34.358 -51.317 -26.254 1.00167.05 ATOM 230 CZ TYR C 49 33.612 -50.286 -26.806 1.00167.42 ATOM 231 OH TYR C 49 33.503 -49.100 -26.145 1.00167.82 ATOM 232 N GLY C 50 35.156 -56.323 -30.367 1.00171.66 ATOM 233 CA GLY C 50 35.112 -57.616 -31.029 1.00175.71 ATOM 234 C GLY C 50 36.051 -57.643 -32.228 1.00178.50 ATOM 235 O GLY C 50 35.924 -58.503 -33.113 1.00178.41 ATOM 236 N ARG C 51 36.989 -56.692 -32.246 1.00181.20 ATOM 237 CA ARG C 51 37.979 -56.540 -33.317 1.00183.75 ATOM 238 C ARG C 51 38.328 -57.870 -33.991 1.00185.56 ATOM 239 O ARG C 51 38.564 -58.878 -33.308 1.00186.14 ATOM 240 CB ARG C 51 39.258 -55.887 -32.767 1.00183.40 ATOM 241 CG ARG C 51 39.601 -54.521 -33.376 1.00183.61 ATOM 242 CD ARG C 51 39.953 -54.619 -34.862 1.00184.25 ATOM 243 NE ARG C 51 40.687 -53.445 -35.356 1.00184.86 ATOM 244 CZ ARG C 51 40.175 -52.223 -35.508 1.00184.68 ATOM 245 NH1 ARG C 51 38.905 -51.994 -35.205 1.00184.57 ATOM 246 NH2 ARG C 51 40.933 -51.224 -35.963 1.00184.04 ATOM 247 N PHE C 52 38.351 -57.854 -35.329 1.00187.05 ATOM 248 CA PHE C 52 38.664 -59.026 -36.154 1.00187.59 ATOM 249 C PHE C 52 37.488 -60.014 -36.175 1.00187.70 ATOM 250 O PHE C 52 37.653 -61.153 -35.686 1.00187.73 ATOM 251 CB PHE C 52 39.935 -59.719 -35.632 1.00187.75 ATOM 252 CG PHE C 52 40.593 -60.622 -36.636 1.00187.73 ATOM 253 CD1 PHE C 52 41.054 -60.109 -37.848 1.00187.66 ATOM 254 CD2 PHE C 52 40.768 -61.981 -36.364 1.00187.71 ATOM 255 CE1 PHE C 52 41.681 -60.940 -38.780 1.00187.74 ATOM 256 CE2 PHE C 52 41.393 -62.823 -37.286 1.00187.71 ATOM 257 CZ PHE C 52 41.853 -62.302 -38.497 1.00187.71 TER