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 R 1 327 UNP P69739 MBHS_ECOLI 46 372 SEQRES 1 R 24 PRO GLN MET GLY THR HIS SER THR ALA ASP THR VAL GLY SEQRES 2 R 24 LEU THR ALA LEU GLY VAL VAL ALA ALA ALA VAL ATOM 1 N PRO R 271 18.677 22.221 -69.585 1.00 58.82 ATOM 2 CA PRO R 271 19.466 23.420 -69.826 1.00 59.70 ATOM 3 C PRO R 271 19.172 24.064 -71.169 1.00 64.62 ATOM 4 O PRO R 271 18.830 25.232 -71.221 1.00 70.79 ATOM 5 CB PRO R 271 20.899 22.910 -69.766 1.00 57.70 ATOM 6 CG PRO R 271 20.833 21.713 -68.909 1.00 56.73 ATOM 7 CD PRO R 271 19.525 21.075 -69.229 1.00 56.39 ATOM 8 N GLN R 272 19.274 23.307 -72.247 1.00 63.45 ATOM 9 CA GLN R 272 19.065 23.846 -73.573 1.00 63.67 ATOM 10 C GLN R 272 17.691 24.430 -73.827 1.00 60.22 ATOM 11 O GLN R 272 17.388 24.819 -74.918 1.00 60.02 ATOM 12 CB GLN R 272 19.362 22.779 -74.613 1.00 66.15 ATOM 13 CG GLN R 272 20.750 22.184 -74.513 1.00 69.87 ATOM 14 CD GLN R 272 20.797 20.997 -73.575 1.00 73.99 ATOM 15 OE1 GLN R 272 19.781 20.575 -73.012 1.00 71.87 ATOM 16 NE2 GLN R 272 21.977 20.458 -73.397 1.00 77.18 ATOM 17 N MET R 273 16.861 24.538 -72.819 1.00 58.72 ATOM 18 CA MET R 273 15.543 25.048 -73.073 1.00 60.21 ATOM 19 C MET R 273 15.145 26.291 -72.316 1.00 63.10 ATOM 20 O MET R 273 13.990 26.656 -72.330 1.00 64.60 ATOM 21 CB MET R 273 14.547 23.973 -72.790 1.00 60.54 ATOM 22 CG MET R 273 14.612 22.908 -73.833 1.00 64.71 ATOM 23 SD MET R 273 12.941 22.410 -74.194 1.00 88.24 ATOM 24 CE MET R 273 12.119 23.993 -74.361 1.00 74.43 ATOM 25 N GLY R 274 16.087 26.945 -71.653 1.00 64.85 ATOM 26 CA GLY R 274 15.770 28.126 -70.855 1.00 67.11 ATOM 27 C GLY R 274 16.520 28.198 -69.546 1.00 67.60 ATOM 28 O GLY R 274 17.508 27.518 -69.333 1.00 66.45 ATOM 29 N THR R 275 16.045 29.050 -68.669 1.00 70.58 ATOM 30 CA THR R 275 16.680 29.252 -67.378 1.00 73.70 ATOM 31 C THR R 275 16.288 28.148 -66.422 1.00 70.41 ATOM 32 O THR R 275 17.151 27.461 -65.878 1.00 70.19 ATOM 33 CB THR R 275 16.274 30.599 -66.759 1.00 79.17 ATOM 34 OG1 THR R 275 14.848 30.728 -66.827 1.00 85.90 ATOM 35 CG2 THR R 275 16.917 31.765 -67.507 1.00 77.45 ATOM 36 N HIS R 276 14.982 27.974 -66.255 1.00 68.86 ATOM 37 CA HIS R 276 14.458 26.986 -65.336 1.00 67.96 ATOM 38 C HIS R 276 13.291 26.233 -65.915 1.00 66.95 ATOM 39 O HIS R 276 12.277 26.091 -65.261 1.00 67.52 ATOM 40 CB HIS R 276 14.069 27.658 -64.023 1.00 71.45 ATOM 41 CG HIS R 276 15.248 27.995 -63.171 1.00 77.53 ATOM 42 ND1 HIS R 276 15.941 29.178 -63.298 1.00 81.18 ATOM 43 CD2 HIS R 276 15.893 27.283 -62.222 1.00 78.43 ATOM 44 CE1 HIS R 276 16.958 29.184 -62.459 1.00 80.88 ATOM 45 NE2 HIS R 276 16.947 28.047 -61.791 1.00 82.41 ATOM 46 N SER R 277 13.447 25.735 -67.137 1.00 64.89 ATOM 47 CA SER R 277 12.386 25.024 -67.821 1.00 62.80 ATOM 48 C SER R 277 12.614 23.544 -67.751 1.00 59.33 ATOM 49 O SER R 277 13.702 23.071 -68.018 1.00 57.97 ATOM 50 CB SER R 277 12.314 25.470 -69.271 1.00 66.81 ATOM 51 OG SER R 277 11.308 26.458 -69.433 1.00 71.17 ATOM 52 N THR R 278 11.579 22.810 -67.381 1.00 58.07 ATOM 53 CA THR R 278 11.710 21.363 -67.264 1.00 58.89 ATOM 54 C THR R 278 10.751 20.664 -68.194 1.00 61.23 ATOM 55 O THR R 278 10.062 21.296 -68.970 1.00 64.75 ATOM 56 CB THR R 278 11.443 20.849 -65.833 1.00 57.48 ATOM 57 OG1 THR R 278 10.080 21.093 -65.463 1.00 56.69 ATOM 58 CG2 THR R 278 12.357 21.527 -64.858 1.00 57.54 ATOM 59 N ALA R 279 10.666 19.354 -68.070 1.00 57.32 ATOM 60 CA ALA R 279 9.778 18.593 -68.891 1.00 55.01 ATOM 61 C ALA R 279 8.359 18.843 -68.567 1.00 54.73 ATOM 62 O ALA R 279 7.540 18.710 -69.421 1.00 55.79 ATOM 63 CB ALA R 279 10.068 17.125 -68.755 1.00 55.63 ATOM 64 N ASP R 280 8.048 19.174 -67.329 1.00 57.56 ATOM 65 CA ASP R 280 6.665 19.460 -66.974 1.00 59.86 ATOM 66 C ASP R 280 6.267 20.880 -67.326 1.00 60.88 ATOM 67 O ASP R 280 5.098 21.163 -67.521 1.00 61.39 ATOM 68 CB ASP R 280 6.408 19.192 -65.500 1.00 60.31 ATOM 69 CG ASP R 280 6.264 17.709 -65.175 1.00 60.63 ATOM 70 OD1 ASP R 280 5.673 16.963 -65.976 1.00 61.13 ATOM 71 OD2 ASP R 280 6.712 17.292 -64.090 1.00 58.22 ATOM 72 N THR R 281 7.257 21.759 -67.413 1.00 61.43 ATOM 73 CA THR R 281 7.053 23.148 -67.783 1.00 61.30 ATOM 74 C THR R 281 6.767 23.257 -69.263 1.00 64.78 ATOM 75 O THR R 281 5.703 23.694 -69.666 1.00 68.68 ATOM 76 CB THR R 281 8.295 23.958 -67.491 1.00 59.85 ATOM 77 OG1 THR R 281 8.392 24.092 -66.103 1.00 60.43 ATOM 78 CG2 THR R 281 8.143 25.344 -68.014 1.00 66.92 ATOM 79 N VAL R 282 7.731 22.843 -70.070 1.00 63.21 ATOM 80 CA VAL R 282 7.624 22.855 -71.518 1.00 62.39 ATOM 81 C VAL R 282 6.476 21.949 -71.968 1.00 64.09 ATOM 82 O VAL R 282 5.689 22.312 -72.833 1.00 61.18 ATOM 83 CB VAL R 282 8.948 22.376 -72.110 1.00 59.86 ATOM 84 CG1 VAL R 282 8.907 22.398 -73.611 1.00 58.22 ATOM 85 CG2 VAL R 282 10.093 23.228 -71.589 1.00 59.62 ATOM 86 N GLY R 283 6.370 20.787 -71.326 1.00 66.36 ATOM 87 CA GLY R 283 5.339 19.814 -71.602 1.00 66.73 ATOM 88 C GLY R 283 3.930 20.286 -71.372 1.00 68.23 ATOM 89 O GLY R 283 3.111 20.254 -72.275 1.00 73.57 ATOM 90 N LEU R 284 3.634 20.731 -70.169 1.00 63.99 ATOM 91 CA LEU R 284 2.285 21.206 -69.876 1.00 67.34 ATOM 92 C LEU R 284 1.929 22.474 -70.652 1.00 69.76 ATOM 93 O LEU R 284 0.783 22.645 -71.058 1.00 72.24 ATOM 94 CB LEU R 284 2.086 21.431 -68.377 1.00 68.81 ATOM 95 CG LEU R 284 2.065 20.171 -67.492 1.00 71.31 ATOM 96 CD1 LEU R 284 1.820 20.556 -66.037 1.00 67.48 ATOM 97 CD2 LEU R 284 1.045 19.138 -67.968 1.00 69.89 ATOM 98 N THR R 285 2.911 23.331 -70.884 1.00 68.74 ATOM 99 CA THR R 285 2.675 24.525 -71.658 1.00 71.93 ATOM 100 C THR R 285 2.167 24.085 -73.017 1.00 75.00 ATOM 101 O THR R 285 1.149 24.584 -73.482 1.00 79.87 ATOM 102 CB THR R 285 3.955 25.373 -71.830 1.00 71.13 ATOM 103 OG1 THR R 285 4.362 25.902 -70.569 1.00 70.70 ATOM 104 CG2 THR R 285 3.734 26.534 -72.793 1.00 70.87 ATOM 105 N ALA R 286 2.868 23.140 -73.636 1.00 72.22 ATOM 106 CA ALA R 286 2.468 22.619 -74.937 1.00 72.53 ATOM 107 C ALA R 286 1.073 21.996 -74.883 1.00 73.82 ATOM 108 O ALA R 286 0.280 22.194 -75.788 1.00 76.34 ATOM 109 CB ALA R 286 3.485 21.621 -75.459 1.00 66.98 ATOM 110 N LEU R 287 0.782 21.273 -73.809 1.00 71.78 ATOM 111 CA LEU R 287 -0.532 20.686 -73.603 1.00 73.05 ATOM 112 C LEU R 287 -1.644 21.723 -73.524 1.00 77.51 ATOM 113 O LEU R 287 -2.732 21.506 -74.031 1.00 79.70 ATOM 114 CB LEU R 287 -0.555 19.845 -72.326 1.00 70.79 ATOM 115 CG LEU R 287 -1.171 18.455 -72.470 1.00 70.81 ATOM 116 CD1 LEU R 287 -0.292 17.603 -73.370 1.00 72.68 ATOM 117 CD2 LEU R 287 -1.374 17.763 -71.138 1.00 66.84 ATOM 118 N GLY R 288 -1.369 22.843 -72.874 1.00 78.41 ATOM 119 CA GLY R 288 -2.359 23.893 -72.705 1.00 81.59 ATOM 120 C GLY R 288 -2.435 24.817 -73.904 1.00 88.26 ATOM 121 O GLY R 288 -3.417 25.545 -74.067 1.00 92.41 ATOM 122 N VAL R 289 -1.392 24.801 -74.731 1.00 83.61 ATOM 123 CA VAL R 289 -1.369 25.587 -75.951 1.00 81.58 ATOM 124 C VAL R 289 -2.370 24.938 -76.898 1.00 83.84 ATOM 125 O VAL R 289 -3.153 25.620 -77.543 1.00 86.65 ATOM 126 CB VAL R 289 0.042 25.618 -76.578 1.00 77.47 ATOM 127 CG1 VAL R 289 0.002 26.053 -78.033 1.00 75.94 ATOM 128 CG2 VAL R 289 0.970 26.525 -75.791 1.00 73.97 ATOM 129 N VAL R 290 -2.338 23.611 -76.960 1.00 82.49 ATOM 130 CA VAL R 290 -3.194 22.836 -77.858 1.00 81.03 ATOM 131 C VAL R 290 -4.658 22.914 -77.448 1.00 85.42 ATOM 132 O VAL R 290 -5.536 23.047 -78.288 1.00 88.79 ATOM 133 CB VAL R 290 -2.691 21.389 -77.982 1.00 74.97 ATOM 134 CG1 VAL R 290 -3.724 20.487 -78.622 1.00 75.57 ATOM 135 CG2 VAL R 290 -1.418 21.368 -78.799 1.00 72.26 ATOM 136 N ALA R 291 -4.910 22.844 -76.153 1.00 87.28 ATOM 137 CA ALA R 291 -6.249 22.995 -75.627 1.00 89.55 ATOM 138 C ALA R 291 -6.813 24.342 -76.070 1.00 94.03 ATOM 139 O ALA R 291 -7.981 24.439 -76.433 1.00 99.01 ATOM 140 CB ALA R 291 -6.230 22.880 -74.119 1.00 87.16 ATOM 141 N ALA R 292 -5.973 25.370 -76.075 1.00 92.91 ATOM 142 CA ALA R 292 -6.381 26.679 -76.551 1.00 97.35 ATOM 143 C ALA R 292 -6.865 26.614 -78.000 1.00102.66 ATOM 144 O ALA R 292 -7.926 27.139 -78.331 1.00109.45 ATOM 145 CB ALA R 292 -5.236 27.663 -76.425 1.00 94.90 ATOM 146 N ALA R 293 -6.097 25.951 -78.856 1.00 99.99 ATOM 147 CA ALA R 293 -6.482 25.795 -80.253 1.00100.87 ATOM 148 C ALA R 293 -7.853 25.097 -80.384 1.00101.31 ATOM 149 O ALA R 293 -8.685 25.497 -81.203 1.00102.09 ATOM 150 CB ALA R 293 -5.398 25.058 -81.020 1.00 98.86 ATOM 151 N VAL R 294 -8.083 24.072 -79.564 1.00 96.29 ATOM 152 CA VAL R 294 -9.376 23.412 -79.497 1.00 92.56 ATOM 153 C VAL R 294 -10.368 24.320 -78.786 1.00 94.24 ATOM 154 O VAL R 294 -11.513 24.470 -79.239 1.00 97.27 ATOM 155 CB VAL R 294 -9.289 22.072 -78.753 1.00 84.97 TER