HEADER OXIDOREDUCTASE 31-DEC-69 6G94 TITLE Structure of E. coli hydrogenase-1 C19G variant in complex with TITLE 2 cytochrome b COMPND MOL_ID: 1; COMPND 2 MOLECULE: Hydrogenase-1 small chain; COMPND 3 CHAIN: S, T, Q, R; COMPND 4 EC: 1.12.99.6; COMPND 5 ENGINEERED: YES; COMPND 6 C19G variant; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 6G94 Q 1 327 UNP P69740 MBHS_ECOL6 46 372 SEQRES 1 Q 28 PRO GLN MET GLY THR HIS SER THR ALA ASP THR VAL GLY SEQRES 2 Q 28 LEU THR ALA LEU GLY VAL VAL ALA ALA ALA VAL GLY VAL SEQRES 3 Q 28 HIS ALA ATOM 1 N PRO Q 271 7.263 -13.372 -52.606 1.00 53.03 ATOM 2 CA PRO Q 271 6.954 -12.840 -53.924 1.00 50.82 ATOM 3 C PRO Q 271 8.211 -12.464 -54.698 1.00 50.04 ATOM 4 O PRO Q 271 9.081 -11.779 -54.169 1.00 49.79 ATOM 5 CB PRO Q 271 6.126 -11.593 -53.607 1.00 49.37 ATOM 6 CG PRO Q 271 6.338 -11.329 -52.167 1.00 49.11 ATOM 7 CD PRO Q 271 6.467 -12.689 -51.584 1.00 52.12 ATOM 8 N GLN Q 272 8.309 -12.951 -55.930 1.00 49.65 ATOM 9 CA GLN Q 272 9.447 -12.648 -56.778 1.00 50.99 ATOM 10 C GLN Q 272 9.087 -12.488 -58.248 1.00 53.72 ATOM 11 O GLN Q 272 8.766 -13.463 -58.937 1.00 55.72 ATOM 12 CB GLN Q 272 10.550 -13.673 -56.615 1.00 50.99 ATOM 13 CG GLN Q 272 11.894 -13.228 -57.173 1.00 51.69 ATOM 14 CD GLN Q 272 12.108 -13.575 -58.636 1.00 52.17 ATOM 15 OE1 GLN Q 272 11.833 -14.676 -59.067 1.00 53.51 ATOM 16 NE2 GLN Q 272 12.620 -12.640 -59.385 1.00 51.35 ATOM 17 N MET Q 273 9.171 -11.258 -58.734 1.00 51.15 ATOM 18 CA MET Q 273 8.844 -11.018 -60.098 1.00 49.77 ATOM 19 C MET Q 273 9.701 -9.906 -60.659 1.00 49.44 ATOM 20 O MET Q 273 9.373 -8.757 -60.506 1.00 49.24 ATOM 21 CB MET Q 273 7.346 -10.792 -60.256 1.00 50.51 ATOM 22 CG MET Q 273 6.955 -10.565 -61.708 1.00 56.40 ATOM 23 SD MET Q 273 5.379 -11.129 -62.383 1.00 76.73 ATOM 24 CE MET Q 273 4.231 -11.045 -61.017 1.00 58.29 ATOM 25 N GLY Q 274 10.794 -10.288 -61.318 1.00 50.20 ATOM 26 CA GLY Q 274 11.775 -9.388 -61.935 1.00 52.14 ATOM 27 C GLY Q 274 11.226 -8.334 -62.898 1.00 55.11 ATOM 28 O GLY Q 274 10.185 -8.518 -63.510 1.00 57.35 ATOM 29 N THR Q 275 11.911 -7.202 -63.017 1.00 52.48 ATOM 30 CA THR Q 275 11.437 -6.151 -63.913 1.00 48.84 ATOM 31 C THR Q 275 11.955 -6.414 -65.287 1.00 46.76 ATOM 32 O THR Q 275 11.210 -6.405 -66.210 1.00 46.28 ATOM 33 CB THR Q 275 11.820 -4.708 -63.510 1.00 47.90 ATOM 34 OG1 THR Q 275 13.069 -4.680 -62.824 1.00 49.70 ATOM 35 CG2 THR Q 275 10.775 -4.092 -62.683 1.00 46.55 ATOM 36 N HIS Q 276 13.243 -6.670 -65.388 1.00 47.16 ATOM 37 CA HIS Q 276 13.892 -6.872 -66.658 1.00 48.35 ATOM 38 C HIS Q 276 13.831 -8.313 -67.099 1.00 50.16 ATOM 39 O HIS Q 276 13.855 -8.583 -68.277 1.00 52.44 ATOM 40 CB HIS Q 276 15.333 -6.382 -66.595 1.00 48.80 ATOM 41 CG HIS Q 276 15.457 -4.899 -66.456 1.00 48.74 ATOM 42 ND1 HIS Q 276 14.649 -4.158 -65.631 1.00 47.98 ATOM 43 CD2 HIS Q 276 16.297 -4.020 -67.036 1.00 48.89 ATOM 44 CE1 HIS Q 276 14.970 -2.886 -65.723 1.00 46.58 ATOM 45 NE2 HIS Q 276 15.973 -2.777 -66.565 1.00 47.83 ATOM 46 N SER Q 277 13.748 -9.241 -66.162 1.00 50.98 ATOM 47 CA SER Q 277 13.595 -10.641 -66.519 1.00 52.68 ATOM 48 C SER Q 277 12.195 -10.874 -67.093 1.00 51.45 ATOM 49 O SER Q 277 12.037 -11.673 -67.979 1.00 50.96 ATOM 50 CB SER Q 277 13.921 -11.580 -65.352 1.00 52.59 ATOM 51 OG SER Q 277 12.925 -11.544 -64.354 1.00 55.37 ATOM 52 N THR Q 278 11.200 -10.146 -66.608 1.00 49.28 ATOM 53 CA THR Q 278 9.852 -10.269 -67.137 1.00 48.98 ATOM 54 C THR Q 278 9.739 -9.552 -68.454 1.00 52.02 ATOM 55 O THR Q 278 9.176 -10.070 -69.391 1.00 57.14 ATOM 56 CB THR Q 278 8.807 -9.721 -66.155 1.00 45.86 ATOM 57 OG1 THR Q 278 8.887 -10.456 -64.946 1.00 45.47 ATOM 58 CG2 THR Q 278 7.418 -9.836 -66.692 1.00 43.93 ATOM 59 N ALA Q 279 10.289 -8.358 -68.535 1.00 51.50 ATOM 60 CA ALA Q 279 10.176 -7.587 -69.749 1.00 51.85 ATOM 61 C ALA Q 279 11.046 -8.110 -70.868 1.00 52.93 ATOM 62 O ALA Q 279 10.758 -7.851 -72.012 1.00 54.41 ATOM 63 CB ALA Q 279 10.451 -6.131 -69.489 1.00 49.70 ATOM 64 N ASP Q 280 12.098 -8.844 -70.546 1.00 52.10 ATOM 65 CA ASP Q 280 12.919 -9.440 -71.573 1.00 53.93 ATOM 66 C ASP Q 280 12.139 -10.569 -72.197 1.00 54.87 ATOM 67 O ASP Q 280 12.201 -10.762 -73.384 1.00 56.86 ATOM 68 CB ASP Q 280 14.232 -9.944 -71.009 1.00 56.81 ATOM 69 CG ASP Q 280 15.245 -8.831 -70.786 1.00 62.46 ATOM 70 OD1 ASP Q 280 14.915 -7.638 -70.967 1.00 62.96 ATOM 71 OD2 ASP Q 280 16.392 -9.148 -70.413 1.00 65.13 ATOM 72 N THR Q 281 11.385 -11.285 -71.378 1.00 53.98 ATOM 73 CA THR Q 281 10.552 -12.396 -71.811 1.00 53.27 ATOM 74 C THR Q 281 9.375 -11.932 -72.636 1.00 53.03 ATOM 75 O THR Q 281 9.092 -12.528 -73.668 1.00 57.90 ATOM 76 CB THR Q 281 10.051 -13.227 -70.622 1.00 53.19 ATOM 77 OG1 THR Q 281 11.186 -13.698 -69.903 1.00 55.10 ATOM 78 CG2 THR Q 281 9.234 -14.444 -71.080 1.00 52.49 ATOM 79 N VAL Q 282 8.681 -10.890 -72.195 1.00 51.07 ATOM 80 CA VAL Q 282 7.571 -10.371 -72.982 1.00 52.26 ATOM 81 C VAL Q 282 8.052 -9.873 -74.347 1.00 54.66 ATOM 82 O VAL Q 282 7.346 -10.024 -75.349 1.00 56.84 ATOM 83 CB VAL Q 282 6.807 -9.270 -72.247 1.00 51.38 ATOM 84 CG1 VAL Q 282 5.654 -8.759 -73.114 1.00 51.92 ATOM 85 CG2 VAL Q 282 6.291 -9.802 -70.925 1.00 48.44 ATOM 86 N GLY Q 283 9.273 -9.340 -74.386 1.00 54.74 ATOM 87 CA GLY Q 283 9.870 -8.846 -75.620 1.00 53.53 ATOM 88 C GLY Q 283 10.157 -9.953 -76.612 1.00 54.30 ATOM 89 O GLY Q 283 9.747 -9.869 -77.765 1.00 57.23 ATOM 90 N LEU Q 284 10.836 -11.001 -76.161 1.00 54.41 ATOM 91 CA LEU Q 284 11.224 -12.110 -77.033 1.00 57.73 ATOM 92 C LEU Q 284 10.049 -12.969 -77.462 1.00 57.91 ATOM 93 O LEU Q 284 10.031 -13.497 -78.573 1.00 55.03 ATOM 94 CB LEU Q 284 12.281 -12.972 -76.368 1.00 59.92 ATOM 95 CG LEU Q 284 13.746 -12.505 -76.399 1.00 65.71 ATOM 96 CD1 LEU Q 284 13.970 -11.047 -75.971 1.00 66.35 ATOM 97 CD2 LEU Q 284 14.578 -13.436 -75.517 1.00 66.76 ATOM 98 N THR Q 285 9.083 -13.131 -76.571 1.00 59.96 ATOM 99 CA THR Q 285 7.799 -13.710 -76.948 1.00 64.24 ATOM 100 C THR Q 285 7.160 -12.924 -78.123 1.00 67.40 ATOM 101 O THR Q 285 6.699 -13.522 -79.099 1.00 72.45 ATOM 102 CB THR Q 285 6.851 -13.757 -75.738 1.00 65.86 ATOM 103 OG1 THR Q 285 7.357 -14.709 -74.804 1.00 71.39 ATOM 104 CG2 THR Q 285 5.431 -14.148 -76.130 1.00 65.00 ATOM 105 N ALA Q 286 7.153 -11.595 -78.045 1.00 62.08 ATOM 106 CA ALA Q 286 6.568 -10.797 -79.112 1.00 60.75 ATOM 107 C ALA Q 286 7.446 -10.794 -80.368 1.00 62.36 ATOM 108 O ALA Q 286 6.944 -10.953 -81.475 1.00 65.94 ATOM 109 CB ALA Q 286 6.307 -9.382 -78.637 1.00 55.82 ATOM 110 N LEU Q 287 8.754 -10.619 -80.185 1.00 60.58 ATOM 111 CA LEU Q 287 9.714 -10.584 -81.289 1.00 59.07 ATOM 112 C LEU Q 287 9.778 -11.906 -82.063 1.00 60.89 ATOM 113 O LEU Q 287 9.974 -11.907 -83.270 1.00 63.66 ATOM 114 CB LEU Q 287 11.110 -10.209 -80.756 1.00 58.95 ATOM 115 CG LEU Q 287 12.282 -9.888 -81.698 1.00 60.21 ATOM 116 CD1 LEU Q 287 12.108 -8.551 -82.408 1.00 60.48 ATOM 117 CD2 LEU Q 287 13.609 -9.931 -80.961 1.00 58.63 ATOM 118 N GLY Q 288 9.620 -13.027 -81.370 1.00 60.00 ATOM 119 CA GLY Q 288 9.691 -14.319 -82.012 1.00 59.64 ATOM 120 C GLY Q 288 8.415 -14.580 -82.764 1.00 60.41 ATOM 121 O GLY Q 288 8.448 -15.127 -83.853 1.00 66.46 ATOM 122 N VAL Q 289 7.291 -14.160 -82.195 1.00 59.07 ATOM 123 CA VAL Q 289 6.010 -14.284 -82.866 1.00 60.03 ATOM 124 C VAL Q 289 6.080 -13.475 -84.172 1.00 62.32 ATOM 125 O VAL Q 289 5.586 -13.904 -85.218 1.00 65.09 ATOM 126 CB VAL Q 289 4.849 -13.884 -81.909 1.00 58.41 ATOM 127 CG1 VAL Q 289 3.588 -13.466 -82.649 1.00 58.59 ATOM 128 CG2 VAL Q 289 4.532 -15.049 -80.982 1.00 57.27 ATOM 129 N VAL Q 290 6.779 -12.346 -84.126 1.00 62.64 ATOM 130 CA VAL Q 290 6.928 -11.501 -85.306 1.00 60.78 ATOM 131 C VAL Q 290 7.998 -12.014 -86.292 1.00 58.10 ATOM 132 O VAL Q 290 7.685 -12.225 -87.447 1.00 60.22 ATOM 133 CB VAL Q 290 7.109 -10.006 -84.909 1.00 58.43 ATOM 134 CG1 VAL Q 290 7.543 -9.162 -86.093 1.00 59.49 ATOM 135 CG2 VAL Q 290 5.803 -9.462 -84.364 1.00 56.63 ATOM 136 N ALA Q 291 9.228 -12.243 -85.836 1.00 57.07 ATOM 137 CA ALA Q 291 10.326 -12.704 -86.698 1.00 58.53 ATOM 138 C ALA Q 291 10.055 -14.027 -87.424 1.00 62.89 ATOM 139 O ALA Q 291 10.525 -14.251 -88.548 1.00 61.56 ATOM 140 CB ALA Q 291 11.608 -12.816 -85.896 1.00 57.07 ATOM 141 N ALA Q 292 9.304 -14.901 -86.763 1.00 65.43 ATOM 142 CA ALA Q 292 8.943 -16.188 -87.330 1.00 68.10 ATOM 143 C ALA Q 292 7.863 -16.054 -88.398 1.00 70.77 ATOM 144 O ALA Q 292 7.793 -16.887 -89.314 1.00 71.54 ATOM 145 CB ALA Q 292 8.491 -17.137 -86.241 1.00 67.42 ATOM 146 N ALA Q 293 7.007 -15.037 -88.252 1.00 70.13 ATOM 147 CA ALA Q 293 5.926 -14.755 -89.220 1.00 69.21 ATOM 148 C ALA Q 293 6.498 -14.161 -90.500 1.00 67.35 ATOM 149 O ALA Q 293 6.045 -14.470 -91.599 1.00 65.23 ATOM 150 CB ALA Q 293 4.885 -13.817 -88.619 1.00 67.30 ATOM 151 N VAL Q 294 7.499 -13.304 -90.332 1.00 67.45 ATOM 152 CA VAL Q 294 8.242 -12.733 -91.446 1.00 67.81 ATOM 153 C VAL Q 294 9.083 -13.821 -92.102 1.00 67.67 ATOM 154 O VAL Q 294 9.168 -13.871 -93.306 1.00 73.05 ATOM 155 CB VAL Q 294 9.123 -11.546 -90.978 1.00 64.36 ATOM 156 CG1 VAL Q 294 10.260 -11.262 -91.949 1.00 64.39 ATOM 157 CG2 VAL Q 294 8.263 -10.316 -90.785 1.00 61.35 ATOM 158 N GLY Q 295 9.682 -14.694 -91.321 1.00 68.25 ATOM 159 CA GLY Q 295 10.427 -15.791 -91.884 1.00 71.29 ATOM 160 C GLY Q 295 11.845 -15.873 -91.416 1.00 73.56 ATOM 161 O GLY Q 295 12.582 -16.741 -91.826 1.00 76.93 ATOM 162 N VAL Q 296 12.228 -14.980 -90.533 1.00 79.61 ATOM 163 CA VAL Q 296 13.608 -14.949 -90.109 1.00 84.85 ATOM 164 C VAL Q 296 13.861 -15.514 -88.710 1.00 88.91 ATOM 165 O VAL Q 296 14.620 -14.944 -87.922 1.00 89.90 ATOM 166 CB VAL Q 296 14.218 -13.558 -90.244 1.00 83.43 ATOM 167 CG1 VAL Q 296 15.707 -13.727 -90.513 1.00 84.64 ATOM 168 CG2 VAL Q 296 13.525 -12.769 -91.344 1.00 80.18 ATOM 169 N HIS Q 297 13.249 -16.656 -88.421 1.00 87.36 ATOM 170 CA HIS Q 297 13.487 -17.359 -87.164 1.00 86.26 ATOM 171 C HIS Q 297 14.985 -17.552 -86.826 1.00 87.69 ATOM 172 O HIS Q 297 15.374 -17.553 -85.646 1.00 84.91 ATOM 173 CB HIS Q 297 12.715 -18.685 -87.138 1.00 81.05 ATOM 174 CG HIS Q 297 12.897 -19.530 -88.361 1.00 80.88 ATOM 175 ND1 HIS Q 297 11.893 -19.727 -89.285 1.00 80.06 ATOM 176 CD2 HIS Q 297 13.958 -20.248 -88.800 1.00 80.60 ATOM 177 CE1 HIS Q 297 12.329 -20.523 -90.243 1.00 80.40 ATOM 178 NE2 HIS Q 297 13.577 -20.859 -89.969 1.00 81.11 ATOM 179 N ALA Q 298 15.816 -17.673 -87.864 1.00 87.15 ATOM 180 CA ALA Q 298 17.260 -17.820 -87.697 1.00 86.98 ATOM 181 C ALA Q 298 17.888 -16.590 -87.003 1.00 87.55 ATOM 182 O ALA Q 298 18.607 -15.795 -87.609 1.00 86.52 ATOM 183 CB ALA Q 298 17.921 -18.105 -89.036 1.00 85.06 TER