HEADER OXIDOREDUCTASE/ELECTRON TRANSPORT 31-JUL-12 4GD3 TITLE Structure of E. coli hydrogenase-1 in complex with cytochrome b COMPND MOL_ID: 1; COMPND 2 MOLECULE: Hydrogenase-1 small chain; COMPND 3 CHAIN: S, T, Q, R; COMPND 4 MUTATION: YES; COMPND 5 EC: 1.12.99.6; COMPND 6 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.30 ANGSTORMS DBREF 4GD3 T 1 327 UNP P69739 MBHS_ECOLI 46 372 SEQRES 1 T 31 MET GLY THR HIS SER THR ALA ASP THR VAL GLY LEU THR SEQRES 2 T 31 ALA LEU GLY VAL VAL ALA ALA ALA VAL GLY VAL HIS ALA SEQRES 3 T 31 VAL ALA SER ALA VAL ATOM 1 N MET T 273 -27.344 -14.489 -54.371 1.00117.17 ATOM 2 CA MET T 273 -26.416 -15.196 -55.259 1.00119.60 ATOM 3 C MET T 273 -25.926 -16.513 -54.651 1.00121.42 ATOM 4 O MET T 273 -25.114 -17.217 -55.255 1.00122.48 ATOM 5 CB MET T 273 -25.200 -14.327 -55.595 1.00117.32 ATOM 6 CG MET T 273 -25.505 -12.980 -56.217 1.00116.04 ATOM 7 SD MET T 273 -26.601 -13.069 -57.630 1.00119.07 ATOM 8 CE MET T 273 -25.593 -13.916 -58.840 1.00119.86 ATOM 9 N GLY T 274 -26.401 -16.826 -53.447 1.00122.41 ATOM 10 CA GLY T 274 -26.145 -18.116 -52.816 1.00124.24 ATOM 11 C GLY T 274 -24.870 -18.193 -52.008 1.00122.54 ATOM 12 O GLY T 274 -24.299 -17.167 -51.620 1.00119.22 ATOM 13 N THR T 275 -24.442 -19.435 -51.776 1.00125.19 ATOM 14 CA THR T 275 -23.288 -19.793 -50.938 1.00124.97 ATOM 15 C THR T 275 -22.372 -18.621 -50.576 1.00122.09 ATOM 16 O THR T 275 -22.407 -18.146 -49.443 1.00120.36 ATOM 17 CB THR T 275 -22.453 -20.970 -51.550 1.00127.25 ATOM 18 OG1 THR T 275 -21.922 -20.583 -52.825 1.00130.55 ATOM 19 CG2 THR T 275 -23.301 -22.241 -51.718 1.00130.73 ATOM 20 N HIS T 276 -21.573 -18.150 -51.534 1.00122.49 ATOM 21 CA HIS T 276 -20.666 -17.022 -51.297 1.00119.98 ATOM 22 C HIS T 276 -20.784 -15.937 -52.349 1.00119.86 ATOM 23 O HIS T 276 -21.210 -14.825 -52.033 1.00119.50 ATOM 24 CB HIS T 276 -19.227 -17.496 -51.152 1.00118.97 ATOM 25 CG HIS T 276 -19.029 -18.417 -49.994 1.00121.86 ATOM 26 ND1 HIS T 276 -19.106 -19.789 -50.114 1.00125.06 ATOM 27 CD2 HIS T 276 -18.797 -18.163 -48.684 1.00120.68 ATOM 28 CE1 HIS T 276 -18.909 -20.343 -48.932 1.00124.50 ATOM 29 NE2 HIS T 276 -18.719 -19.378 -48.047 1.00123.31 ATOM 30 N SER T 277 -20.408 -16.263 -53.586 1.00120.18 ATOM 31 CA SER T 277 -20.537 -15.355 -54.742 1.00119.40 ATOM 32 C SER T 277 -20.749 -13.853 -54.398 1.00116.04 ATOM 33 O SER T 277 -21.874 -13.394 -54.156 1.00116.82 ATOM 34 CB SER T 277 -21.617 -15.873 -55.705 1.00122.18 ATOM 35 N THR T 278 -19.647 -13.108 -54.366 1.00111.39 ATOM 36 CA THR T 278 -19.660 -11.673 -54.108 1.00106.05 ATOM 37 C THR T 278 -19.775 -10.884 -55.414 1.00105.31 ATOM 38 O THR T 278 -19.654 -11.448 -56.505 1.00107.11 ATOM 39 CB THR T 278 -18.397 -11.226 -53.322 1.00103.39 ATOM 40 OG1 THR T 278 -18.534 -9.850 -52.965 1.00107.25 ATOM 41 CG2 THR T 278 -17.108 -11.394 -54.135 1.00 99.97 ATOM 42 N ALA T 279 -20.007 -9.579 -55.296 1.00101.89 ATOM 43 CA ALA T 279 -20.116 -8.687 -56.455 1.00100.91 ATOM 44 C ALA T 279 -18.987 -8.917 -57.453 1.00100.19 ATOM 45 O ALA T 279 -19.224 -9.095 -58.651 1.00101.22 ATOM 46 CB ALA T 279 -20.123 -7.241 -55.995 1.00 99.17 ATOM 47 N ASP T 280 -17.764 -8.913 -56.930 1.00 97.96 ATOM 48 CA ASP T 280 -16.565 -9.218 -57.694 1.00 99.44 ATOM 49 C ASP T 280 -16.659 -10.609 -58.362 1.00101.47 ATOM 50 O ASP T 280 -16.542 -10.722 -59.588 1.00104.01 ATOM 51 CB ASP T 280 -15.316 -9.124 -56.792 1.00 97.81 ATOM 52 CG ASP T 280 -14.778 -7.689 -56.642 1.00100.23 ATOM 53 OD1 ASP T 280 -15.095 -6.820 -57.488 1.00104.35 ATOM 54 OD2 ASP T 280 -14.015 -7.435 -55.676 1.00100.96 ATOM 55 N THR T 281 -16.879 -11.649 -57.552 1.00 99.50 ATOM 56 CA THR T 281 -16.999 -13.027 -58.026 1.00 99.60 ATOM 57 C THR T 281 -17.920 -13.138 -59.225 1.00101.61 ATOM 58 O THR T 281 -17.496 -13.622 -60.270 1.00104.47 ATOM 59 CB THR T 281 -17.532 -13.952 -56.921 1.00 99.25 ATOM 60 OG1 THR T 281 -16.537 -14.113 -55.915 1.00 95.73 ATOM 61 CG2 THR T 281 -17.897 -15.319 -57.470 1.00104.93 ATOM 62 N VAL T 282 -19.168 -12.694 -59.065 1.00100.26 ATOM 63 CA VAL T 282 -20.182 -12.786 -60.122 1.00102.42 ATOM 64 C VAL T 282 -19.843 -11.893 -61.329 1.00104.16 ATOM 65 O VAL T 282 -19.981 -12.322 -62.485 1.00106.88 ATOM 66 CB VAL T 282 -21.592 -12.484 -59.572 1.00101.87 ATOM 67 CG1 VAL T 282 -22.614 -12.377 -60.684 1.00103.14 ATOM 68 CG2 VAL T 282 -21.995 -13.552 -58.598 1.00101.17 ATOM 69 N GLY T 283 -19.380 -10.670 -61.055 1.00102.03 ATOM 70 CA GLY T 283 -18.912 -9.761 -62.102 1.00102.13 ATOM 71 C GLY T 283 -17.758 -10.316 -62.923 1.00102.51 ATOM 72 O GLY T 283 -17.802 -10.327 -64.154 1.00104.61 ATOM 73 N LEU T 284 -16.728 -10.794 -62.232 1.00100.94 ATOM 74 CA LEU T 284 -15.550 -11.380 -62.880 1.00103.11 ATOM 75 C LEU T 284 -15.820 -12.714 -63.580 1.00107.09 ATOM 76 O LEU T 284 -15.134 -13.063 -64.542 1.00108.77 ATOM 77 CB LEU T 284 -14.406 -11.513 -61.878 1.00 99.72 ATOM 78 CG LEU T 284 -13.840 -10.151 -61.479 1.00 96.01 ATOM 79 CD1 LEU T 284 -13.052 -10.245 -60.179 1.00 91.97 ATOM 80 CD2 LEU T 284 -13.003 -9.579 -62.617 1.00 95.26 ATOM 81 N THR T 285 -16.815 -13.447 -63.085 1.00108.73 ATOM 82 CA THR T 285 -17.341 -14.617 -63.777 1.00112.44 ATOM 83 C THR T 285 -17.931 -14.179 -65.105 1.00114.92 ATOM 84 O THR T 285 -17.568 -14.725 -66.148 1.00118.66 ATOM 85 CB THR T 285 -18.396 -15.363 -62.934 1.00112.89 ATOM 86 OG1 THR T 285 -17.735 -16.044 -61.857 1.00112.15 ATOM 87 CG2 THR T 285 -19.176 -16.382 -63.778 1.00116.42 ATOM 88 N ALA T 286 -18.808 -13.180 -65.066 1.00112.55 ATOM 89 CA ALA T 286 -19.403 -12.654 -66.280 1.00114.42 ATOM 90 C ALA T 286 -18.349 -12.075 -67.228 1.00114.59 ATOM 91 O ALA T 286 -18.415 -12.306 -68.440 1.00117.40 ATOM 92 CB ALA T 286 -20.450 -11.628 -65.951 1.00113.94 ATOM 93 N LEU T 287 -17.374 -11.350 -66.677 1.00111.18 ATOM 94 CA LEU T 287 -16.312 -10.739 -67.484 1.00111.97 ATOM 95 C LEU T 287 -15.509 -11.766 -68.307 1.00115.41 ATOM 96 O LEU T 287 -15.232 -11.566 -69.497 1.00117.72 ATOM 97 CB LEU T 287 -15.389 -9.902 -66.601 1.00107.41 ATOM 98 CG LEU T 287 -14.582 -8.793 -67.280 1.00106.29 ATOM 99 CD1 LEU T 287 -15.466 -7.770 -67.992 1.00107.06 ATOM 100 CD2 LEU T 287 -13.707 -8.107 -66.260 1.00100.43 ATOM 101 N GLY T 288 -15.158 -12.873 -67.665 1.00115.80 ATOM 102 CA GLY T 288 -14.463 -13.972 -68.328 1.00118.12 ATOM 103 C GLY T 288 -15.333 -14.778 -69.271 1.00121.78 ATOM 104 O GLY T 288 -14.817 -15.435 -70.171 1.00124.35 ATOM 105 N VAL T 289 -16.648 -14.742 -69.057 1.00122.71 ATOM 106 CA VAL T 289 -17.602 -15.389 -69.968 1.00127.75 ATOM 107 C VAL T 289 -17.596 -14.678 -71.322 1.00131.31 ATOM 108 O VAL T 289 -17.410 -15.312 -72.367 1.00134.22 ATOM 109 CB VAL T 289 -19.054 -15.431 -69.391 1.00127.37 ATOM 110 CG1 VAL T 289 -20.054 -15.864 -70.455 1.00131.08 ATOM 111 CG2 VAL T 289 -19.145 -16.368 -68.207 1.00125.62 ATOM 112 N VAL T 290 -17.788 -13.360 -71.284 1.00130.95 ATOM 113 CA VAL T 290 -17.817 -12.539 -72.489 1.00133.93 ATOM 114 C VAL T 290 -16.410 -12.409 -73.075 1.00135.01 ATOM 115 O VAL T 290 -16.257 -12.182 -74.272 1.00137.76 ATOM 116 CB VAL T 290 -18.443 -11.148 -72.230 1.00132.18 ATOM 117 CG1 VAL T 290 -18.739 -10.438 -73.543 1.00134.52 ATOM 118 CG2 VAL T 290 -19.724 -11.281 -71.410 1.00130.42 ATOM 119 N ALA T 291 -15.394 -12.574 -72.231 1.00133.46 ATOM 120 CA ALA T 291 -14.005 -12.615 -72.687 1.00135.36 ATOM 121 C ALA T 291 -13.706 -13.847 -73.554 1.00140.12 ATOM 122 O ALA T 291 -12.846 -13.799 -74.438 1.00142.04 ATOM 123 CB ALA T 291 -13.065 -12.561 -71.504 1.00131.39 ATOM 124 N ALA T 292 -14.416 -14.942 -73.287 1.00142.77 ATOM 125 CA ALA T 292 -14.310 -16.168 -74.081 1.00147.91 ATOM 126 C ALA T 292 -15.298 -16.174 -75.257 1.00153.17 ATOM 127 O ALA T 292 -15.018 -16.754 -76.312 1.00156.68 ATOM 128 CB ALA T 292 -14.518 -17.387 -73.200 1.00147.08 ATOM 129 N ALA T 293 -16.452 -15.531 -75.062 1.00154.29 ATOM 130 CA ALA T 293 -17.425 -15.300 -76.137 1.00159.04 ATOM 131 C ALA T 293 -16.820 -14.424 -77.238 1.00161.75 ATOM 132 O ALA T 293 -17.213 -14.520 -78.400 1.00165.69 ATOM 133 CB ALA T 293 -18.696 -14.667 -75.583 1.00157.66 ATOM 134 N VAL T 294 -15.869 -13.572 -76.851 1.00160.04 ATOM 135 CA VAL T 294 -15.028 -12.829 -77.793 1.00162.54 ATOM 136 C VAL T 294 -14.037 -13.780 -78.479 1.00166.29 ATOM 137 O VAL T 294 -13.823 -13.691 -79.688 1.00170.18 ATOM 138 CB VAL T 294 -14.308 -11.632 -77.101 1.00158.30 ATOM 139 CG1 VAL T 294 -13.108 -11.132 -77.904 1.00158.66 ATOM 140 CG2 VAL T 294 -15.286 -10.500 -76.879 1.00157.75 ATOM 141 N GLY T 295 -13.458 -14.702 -77.711 1.00165.33 ATOM 142 CA GLY T 295 -12.530 -15.695 -78.254 1.00168.21 ATOM 143 C GLY T 295 -13.156 -16.611 -79.293 1.00173.63 ATOM 144 O GLY T 295 -12.467 -17.095 -80.192 1.00176.36 ATOM 145 N VAL T 296 -14.463 -16.838 -79.175 1.00175.36 ATOM 146 CA VAL T 296 -15.170 -17.766 -80.063 1.00181.02 ATOM 147 C VAL T 296 -15.585 -17.137 -81.414 1.00186.27 ATOM 148 O VAL T 296 -15.504 -17.801 -82.451 1.00190.67 ATOM 149 CB VAL T 296 -16.342 -18.522 -79.324 1.00180.31 ATOM 150 CG1 VAL T 296 -17.544 -17.616 -79.064 1.00178.36 ATOM 151 CG2 VAL T 296 -16.759 -19.774 -80.089 1.00184.04 ATOM 152 N HIS T 297 -16.003 -15.867 -81.401 1.00186.30 ATOM 153 CA HIS T 297 -16.363 -15.142 -82.642 1.00190.79 ATOM 154 C HIS T 297 -15.141 -14.615 -83.408 1.00191.86 ATOM 155 O HIS T 297 -15.204 -14.419 -84.627 1.00195.57 ATOM 156 CB HIS T 297 -17.360 -14.002 -82.368 1.00189.61 ATOM 157 CG HIS T 297 -18.768 -14.304 -82.788 1.00193.51 ATOM 158 ND1 HIS T 297 -19.639 -15.038 -82.012 1.00193.87 ATOM 159 CD2 HIS T 297 -19.460 -13.956 -83.899 1.00197.30 ATOM 160 CE1 HIS T 297 -20.803 -15.137 -82.629 1.00196.84 ATOM 161 NE2 HIS T 297 -20.721 -14.489 -83.776 1.00199.41 ATOM 162 N ALA T 298 -14.045 -14.375 -82.683 1.00188.64 ATOM 163 CA ALA T 298 -12.760 -14.013 -83.288 1.00189.25 ATOM 164 C ALA T 298 -12.150 -15.227 -83.977 1.00192.70 ATOM 165 O ALA T 298 -11.561 -15.106 -85.053 1.00196.00 ATOM 166 CB ALA T 298 -11.803 -13.458 -82.242 1.00184.25 ATOM 167 N VAL T 299 -12.299 -16.393 -83.348 1.00191.97 ATOM 168 CA VAL T 299 -11.919 -17.663 -83.961 1.00195.36 ATOM 169 C VAL T 299 -12.898 -18.037 -85.078 1.00200.62 ATOM 170 O VAL T 299 -12.669 -18.997 -85.812 1.00204.47 ATOM 171 CB VAL T 299 -11.853 -18.802 -82.923 1.00192.82 ATOM 172 N ALA T 300 -13.984 -17.271 -85.198 1.00201.22 ATOM 173 CA ALA T 300 -14.977 -17.463 -86.258 1.00206.36 ATOM 174 C ALA T 300 -14.806 -16.456 -87.402 1.00209.12 ATOM 175 O ALA T 300 -15.766 -16.154 -88.118 1.00212.48 ATOM 176 CB ALA T 300 -16.396 -17.394 -85.685 1.00205.27 ATOM 177 N SER T 301 -13.582 -15.953 -87.572 1.00207.85 ATOM 178 CA SER T 301 -13.265 -14.973 -88.620 1.00209.19 ATOM 179 C SER T 301 -12.797 -15.641 -89.924 1.00213.89 ATOM 180 O SER T 301 -11.649 -15.475 -90.351 1.00214.34 ATOM 181 CB SER T 301 -12.230 -13.955 -88.117 1.00205.20 ATOM 182 OG SER T 301 -12.688 -13.283 -86.957 1.00198.73 ATOM 183 N ALA T 302 -13.703 -16.386 -90.552 1.00217.06 ATOM 184 CA ALA T 302 -13.411 -17.093 -91.795 1.00222.14 ATOM 185 C ALA T 302 -13.398 -16.147 -93.003 1.00225.36 ATOM 186 O ALA T 302 -14.287 -16.201 -93.856 1.00229.51 ATOM 187 CB ALA T 302 -14.404 -18.239 -92.000 1.00224.95 ATOM 188 N VAL T 303 -12.385 -15.281 -93.061 1.00223.41 ATOM 189 CA VAL T 303 -12.200 -14.351 -94.178 1.00225.86 ATOM 190 C VAL T 303 -11.411 -15.002 -95.311 1.00230.42 ATOM 191 O VAL T 303 -11.647 -14.724 -96.486 1.00234.56 ATOM 192 CB VAL T 303 -11.472 -13.067 -93.735 1.00221.80 TER