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 T 1 327 UNP P69740 MBHS_ECOL6 46 372 SEQRES 1 T 29 PRO GLN MET GLY THR HIS SER THR ALA ASP THR VAL GLY SEQRES 2 T 29 LEU THR ALA LEU GLY VAL VAL ALA ALA ALA VAL GLY VAL SEQRES 3 T 29 HIS ALA VAL ATOM 1 N PRO T 271 -27.207 -12.513 -48.625 1.00 57.20 ATOM 2 CA PRO T 271 -27.930 -13.724 -48.225 1.00 60.62 ATOM 3 C PRO T 271 -28.789 -14.383 -49.283 1.00 67.02 ATOM 4 O PRO T 271 -28.727 -15.592 -49.397 1.00 74.81 ATOM 5 CB PRO T 271 -28.835 -13.247 -47.087 1.00 57.01 ATOM 6 CG PRO T 271 -28.154 -12.070 -46.541 1.00 54.06 ATOM 7 CD PRO T 271 -27.621 -11.378 -47.734 1.00 54.40 ATOM 8 N GLN T 272 -29.594 -13.622 -50.027 1.00 65.37 ATOM 9 CA GLN T 272 -30.525 -14.205 -50.998 1.00 65.18 ATOM 10 C GLN T 272 -29.845 -14.806 -52.191 1.00 66.92 ATOM 11 O GLN T 272 -30.511 -15.177 -53.132 1.00 66.99 ATOM 12 CB GLN T 272 -31.509 -13.173 -51.522 1.00 60.93 ATOM 13 CG GLN T 272 -32.419 -12.595 -50.482 1.00 58.97 ATOM 14 CD GLN T 272 -31.819 -11.381 -49.858 1.00 57.00 ATOM 15 OE1 GLN T 272 -30.707 -10.986 -50.186 1.00 54.36 ATOM 16 NE2 GLN T 272 -32.543 -10.792 -48.937 1.00 57.75 ATOM 17 N MET T 273 -28.526 -14.908 -52.148 1.00 68.37 ATOM 18 CA MET T 273 -27.770 -15.406 -53.278 1.00 71.04 ATOM 19 C MET T 273 -26.675 -16.448 -52.970 1.00 73.22 ATOM 20 O MET T 273 -25.554 -16.376 -53.482 1.00 72.23 ATOM 21 CB MET T 273 -27.171 -14.206 -53.966 1.00 70.29 ATOM 22 CG MET T 273 -26.599 -14.490 -55.324 1.00 71.91 ATOM 23 SD MET T 273 -26.606 -12.918 -56.117 1.00 84.49 ATOM 24 CE MET T 273 -28.375 -12.603 -56.067 1.00 66.78 ATOM 25 N GLY T 274 -26.997 -17.422 -52.133 1.00 71.39 ATOM 26 CA GLY T 274 -26.042 -18.472 -51.833 1.00 70.95 ATOM 27 C GLY T 274 -25.573 -18.453 -50.411 1.00 69.85 ATOM 28 O GLY T 274 -26.095 -17.710 -49.597 1.00 69.32 ATOM 29 N THR T 275 -24.587 -19.288 -50.119 1.00 71.39 ATOM 30 CA THR T 275 -24.096 -19.446 -48.754 1.00 71.83 ATOM 31 C THR T 275 -23.133 -18.333 -48.468 1.00 70.68 ATOM 32 O THR T 275 -23.313 -17.587 -47.523 1.00 73.36 ATOM 33 CB THR T 275 -23.388 -20.793 -48.547 1.00 72.36 ATOM 34 OG1 THR T 275 -22.634 -21.115 -49.720 1.00 78.41 ATOM 35 CG2 THR T 275 -24.403 -21.880 -48.313 1.00 71.84 ATOM 36 N HIS T 276 -22.115 -18.215 -49.301 1.00 67.68 ATOM 37 CA HIS T 276 -21.120 -17.192 -49.107 1.00 68.56 ATOM 38 C HIS T 276 -20.788 -16.433 -50.398 1.00 66.31 ATOM 39 O HIS T 276 -19.654 -15.988 -50.602 1.00 61.99 ATOM 40 CB HIS T 276 -19.881 -17.788 -48.443 1.00 74.04 ATOM 41 CG HIS T 276 -19.989 -17.906 -46.952 1.00 85.13 ATOM 42 ND1 HIS T 276 -21.195 -17.882 -46.280 1.00 90.95 ATOM 43 CD2 HIS T 276 -19.039 -18.067 -46.001 1.00 87.33 ATOM 44 CE1 HIS T 276 -20.985 -18.015 -44.983 1.00 87.62 ATOM 45 NE2 HIS T 276 -19.683 -18.127 -44.787 1.00 89.24 ATOM 46 N SER T 277 -21.789 -16.265 -51.257 1.00 64.69 ATOM 47 CA SER T 277 -21.600 -15.464 -52.460 1.00 63.59 ATOM 48 C SER T 277 -21.783 -13.999 -52.134 1.00 59.59 ATOM 49 O SER T 277 -22.795 -13.581 -51.574 1.00 56.58 ATOM 50 CB SER T 277 -22.511 -15.899 -53.603 1.00 66.00 ATOM 51 OG SER T 277 -22.023 -17.076 -54.219 1.00 70.62 ATOM 52 N THR T 278 -20.763 -13.230 -52.473 1.00 56.15 ATOM 53 CA THR T 278 -20.798 -11.813 -52.295 1.00 53.33 ATOM 54 C THR T 278 -20.853 -11.147 -53.644 1.00 55.15 ATOM 55 O THR T 278 -20.983 -11.787 -54.661 1.00 57.11 ATOM 56 CB THR T 278 -19.550 -11.315 -51.583 1.00 51.33 ATOM 57 OG1 THR T 278 -18.427 -11.421 -52.451 1.00 50.47 ATOM 58 CG2 THR T 278 -19.292 -12.103 -50.383 1.00 50.85 ATOM 59 N ALA T 279 -20.725 -9.836 -53.631 1.00 56.94 ATOM 60 CA ALA T 279 -20.774 -9.035 -54.836 1.00 56.22 ATOM 61 C ALA T 279 -19.529 -9.176 -55.680 1.00 53.58 ATOM 62 O ALA T 279 -19.588 -8.929 -56.843 1.00 51.58 ATOM 63 CB ALA T 279 -20.993 -7.589 -54.475 1.00 55.11 ATOM 64 N ASP T 280 -18.411 -9.561 -55.083 1.00 52.90 ATOM 65 CA ASP T 280 -17.194 -9.783 -55.824 1.00 53.77 ATOM 66 C ASP T 280 -17.221 -11.208 -56.377 1.00 59.83 ATOM 67 O ASP T 280 -16.742 -11.480 -57.477 1.00 59.43 ATOM 68 CB ASP T 280 -15.980 -9.594 -54.921 1.00 54.28 ATOM 69 CG ASP T 280 -15.587 -8.107 -54.713 1.00 57.06 ATOM 70 OD1 ASP T 280 -16.096 -7.205 -55.410 1.00 54.69 ATOM 71 OD2 ASP T 280 -14.733 -7.853 -53.830 1.00 55.26 ATOM 72 N THR T 281 -17.804 -12.119 -55.603 1.00 60.06 ATOM 73 CA THR T 281 -17.929 -13.512 -55.993 1.00 58.00 ATOM 74 C THR T 281 -18.773 -13.631 -57.234 1.00 56.62 ATOM 75 O THR T 281 -18.286 -14.083 -58.253 1.00 59.45 ATOM 76 CB THR T 281 -18.506 -14.356 -54.846 1.00 56.62 ATOM 77 OG1 THR T 281 -17.492 -14.518 -53.875 1.00 53.51 ATOM 78 CG2 THR T 281 -18.913 -15.753 -55.300 1.00 60.30 ATOM 79 N VAL T 282 -20.029 -13.229 -57.105 1.00 52.94 ATOM 80 CA VAL T 282 -21.036 -13.242 -58.155 1.00 53.72 ATOM 81 C VAL T 282 -20.639 -12.308 -59.310 1.00 53.86 ATOM 82 O VAL T 282 -20.867 -12.618 -60.463 1.00 54.85 ATOM 83 CB VAL T 282 -22.424 -12.859 -57.587 1.00 51.99 ATOM 84 CG1 VAL T 282 -23.512 -13.004 -58.645 1.00 53.64 ATOM 85 CG2 VAL T 282 -22.759 -13.734 -56.411 1.00 50.41 ATOM 86 N GLY T 283 -20.005 -11.191 -58.996 1.00 53.91 ATOM 87 CA GLY T 283 -19.633 -10.229 -60.011 1.00 56.96 ATOM 88 C GLY T 283 -18.461 -10.657 -60.868 1.00 57.06 ATOM 89 O GLY T 283 -18.513 -10.596 -62.087 1.00 59.79 ATOM 90 N LEU T 284 -17.395 -11.099 -60.230 1.00 57.26 ATOM 91 CA LEU T 284 -16.229 -11.544 -60.959 1.00 59.26 ATOM 92 C LEU T 284 -16.494 -12.825 -61.726 1.00 63.61 ATOM 93 O LEU T 284 -15.885 -13.042 -62.759 1.00 65.44 ATOM 94 CB LEU T 284 -15.077 -11.776 -59.999 1.00 61.09 ATOM 95 CG LEU T 284 -13.872 -10.850 -60.079 1.00 61.70 ATOM 96 CD1 LEU T 284 -14.281 -9.393 -60.200 1.00 58.46 ATOM 97 CD2 LEU T 284 -12.985 -11.061 -58.862 1.00 61.51 ATOM 98 N THR T 285 -17.377 -13.682 -61.212 1.00 67.52 ATOM 99 CA THR T 285 -17.799 -14.897 -61.928 1.00 71.63 ATOM 100 C THR T 285 -18.470 -14.544 -63.264 1.00 72.24 ATOM 101 O THR T 285 -18.207 -15.167 -64.290 1.00 75.52 ATOM 102 CB THR T 285 -18.772 -15.759 -61.080 1.00 72.27 ATOM 103 OG1 THR T 285 -18.067 -16.339 -59.972 1.00 71.49 ATOM 104 CG2 THR T 285 -19.422 -16.878 -61.932 1.00 70.58 ATOM 105 N ALA T 286 -19.325 -13.527 -63.233 1.00 69.26 ATOM 106 CA ALA T 286 -20.034 -13.080 -64.416 1.00 68.42 ATOM 107 C ALA T 286 -19.070 -12.406 -65.397 1.00 69.91 ATOM 108 O ALA T 286 -19.242 -12.541 -66.605 1.00 72.21 ATOM 109 CB ALA T 286 -21.170 -12.144 -64.032 1.00 65.12 ATOM 110 N LEU T 287 -18.059 -11.701 -64.874 1.00 67.25 ATOM 111 CA LEU T 287 -17.022 -11.042 -65.696 1.00 65.41 ATOM 112 C LEU T 287 -16.113 -12.054 -66.402 1.00 69.28 ATOM 113 O LEU T 287 -15.698 -11.856 -67.547 1.00 68.74 ATOM 114 CB LEU T 287 -16.169 -10.089 -64.840 1.00 60.78 ATOM 115 CG LEU T 287 -15.528 -8.864 -65.486 1.00 55.76 ATOM 116 CD1 LEU T 287 -16.633 -7.896 -65.831 1.00 53.48 ATOM 117 CD2 LEU T 287 -14.487 -8.203 -64.594 1.00 52.64 ATOM 118 N GLY T 288 -15.810 -13.140 -65.712 1.00 72.24 ATOM 119 CA GLY T 288 -14.985 -14.183 -66.264 1.00 72.32 ATOM 120 C GLY T 288 -15.765 -15.080 -67.197 1.00 76.86 ATOM 121 O GLY T 288 -15.174 -15.790 -68.007 1.00 84.21 ATOM 122 N VAL T 289 -17.089 -15.057 -67.087 1.00 71.98 ATOM 123 CA VAL T 289 -17.954 -15.882 -67.937 1.00 69.52 ATOM 124 C VAL T 289 -18.219 -15.229 -69.311 1.00 73.88 ATOM 125 O VAL T 289 -18.405 -15.911 -70.322 1.00 73.24 ATOM 126 CB VAL T 289 -19.195 -16.347 -67.138 1.00 63.17 ATOM 127 CG1 VAL T 289 -20.497 -16.285 -67.909 1.00 62.00 ATOM 128 CG2 VAL T 289 -18.946 -17.730 -66.612 1.00 62.71 ATOM 129 N VAL T 290 -18.195 -13.902 -69.335 1.00 75.14 ATOM 130 CA VAL T 290 -18.321 -13.159 -70.580 1.00 75.17 ATOM 131 C VAL T 290 -16.989 -13.190 -71.316 1.00 78.13 ATOM 132 O VAL T 290 -16.957 -13.377 -72.516 1.00 82.37 ATOM 133 CB VAL T 290 -18.833 -11.731 -70.338 1.00 71.25 ATOM 134 CG1 VAL T 290 -18.695 -10.872 -71.580 1.00 70.39 ATOM 135 CG2 VAL T 290 -20.283 -11.773 -69.889 1.00 67.92 ATOM 136 N ALA T 291 -15.896 -13.067 -70.573 1.00 78.45 ATOM 137 CA ALA T 291 -14.545 -13.168 -71.124 1.00 79.73 ATOM 138 C ALA T 291 -14.338 -14.522 -71.782 1.00 85.77 ATOM 139 O ALA T 291 -13.608 -14.627 -72.767 1.00 88.57 ATOM 140 CB ALA T 291 -13.502 -12.947 -70.044 1.00 74.09 ATOM 141 N ALA T 292 -14.994 -15.545 -71.242 1.00 85.09 ATOM 142 CA ALA T 292 -14.966 -16.880 -71.812 1.00 88.22 ATOM 143 C ALA T 292 -15.690 -16.909 -73.146 1.00 91.84 ATOM 144 O ALA T 292 -15.169 -17.432 -74.111 1.00 94.56 ATOM 145 CB ALA T 292 -15.600 -17.871 -70.856 1.00 86.10 ATOM 146 N ALA T 293 -16.894 -16.348 -73.185 1.00 92.42 ATOM 147 CA ALA T 293 -17.684 -16.254 -74.411 1.00 90.91 ATOM 148 C ALA T 293 -16.965 -15.422 -75.475 1.00 93.34 ATOM 149 O ALA T 293 -16.889 -15.806 -76.638 1.00 92.46 ATOM 150 CB ALA T 293 -19.028 -15.638 -74.095 1.00 86.92 ATOM 151 N VAL T 294 -16.430 -14.287 -75.036 1.00 90.00 ATOM 152 CA VAL T 294 -15.695 -13.325 -75.852 1.00 86.66 ATOM 153 C VAL T 294 -14.354 -13.834 -76.409 1.00 91.74 ATOM 154 O VAL T 294 -13.825 -13.279 -77.358 1.00 95.59 ATOM 155 CB VAL T 294 -15.528 -12.021 -75.034 1.00 80.08 ATOM 156 CG1 VAL T 294 -14.236 -11.261 -75.324 1.00 77.22 ATOM 157 CG2 VAL T 294 -16.773 -11.161 -75.155 1.00 76.82 ATOM 158 N GLY T 295 -13.810 -14.902 -75.845 1.00 92.91 ATOM 159 CA GLY T 295 -12.529 -15.427 -76.322 1.00 94.14 ATOM 160 C GLY T 295 -12.624 -16.776 -77.001 1.00 97.79 ATOM 161 O GLY T 295 -11.672 -17.220 -77.652 1.00 95.21 ATOM 162 N VAL T 296 -13.773 -17.428 -76.814 1.00 99.65 ATOM 163 CA VAL T 296 -14.076 -18.725 -77.409 1.00 99.37 ATOM 164 C VAL T 296 -14.577 -18.431 -78.789 1.00103.33 ATOM 165 O VAL T 296 -14.066 -18.949 -79.779 1.00105.45 ATOM 166 CB VAL T 296 -15.189 -19.482 -76.658 1.00 91.96 ATOM 167 N HIS T 297 -15.562 -17.546 -78.847 1.00103.54 ATOM 168 CA HIS T 297 -16.133 -17.128 -80.098 1.00108.15 ATOM 169 C HIS T 297 -15.067 -16.501 -81.009 1.00113.78 ATOM 170 O HIS T 297 -15.054 -16.786 -82.216 1.00123.49 ATOM 171 CB HIS T 297 -17.305 -16.207 -79.824 1.00108.71 ATOM 172 CG HIS T 297 -17.691 -15.355 -80.980 1.00117.44 ATOM 173 ND1 HIS T 297 -18.900 -15.479 -81.626 1.00121.56 ATOM 174 CD2 HIS T 297 -17.014 -14.380 -81.626 1.00120.68 ATOM 175 CE1 HIS T 297 -18.958 -14.605 -82.612 1.00125.55 ATOM 176 NE2 HIS T 297 -17.823 -13.929 -82.636 1.00124.17 ATOM 177 N ALA T 298 -14.144 -15.708 -80.441 1.00104.70 ATOM 178 CA ALA T 298 -13.029 -15.086 -81.190 1.00102.07 ATOM 179 C ALA T 298 -11.867 -16.014 -81.681 1.00104.39 ATOM 180 O ALA T 298 -10.730 -15.561 -81.845 1.00103.14 ATOM 181 CB ALA T 298 -12.474 -13.903 -80.408 1.00 90.41 ATOM 182 N VAL T 299 -12.161 -17.290 -81.939 1.00101.98 ATOM 183 CA VAL T 299 -11.174 -18.268 -82.377 1.00 97.94 ATOM 184 C VAL T 299 -11.834 -19.246 -83.339 1.00 96.18 ATOM 185 O VAL T 299 -12.716 -18.868 -84.110 1.00 94.95 ATOM 186 CB VAL T 299 -10.554 -19.027 -81.188 1.00 90.35 TER