HEADER PHOTOSYNTHESIS 11-AUG-00 1E6D TITLE PHOTOSYNTHETIC REACTION CENTER MUTANT WITH TRP M115 REPLACED WITH PHE TITLE 2 (CHAIN M, WM115F) PHE M197 REPLACED WITH ARG (CHAIN M, FM197R) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOTOSYNTHETIC REACTION CENTER H SUBUNIT; COMPND 3 CHAIN: H; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 3; COMPND 6 PHOTOSYNTHETIC REACTION CENTER M SUBUNIT; COMPND 7 CHAIN: M; COMPND 8 MUTATION: YES; COMPND 9 ENGINEERED: YES; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.30 ANGSTORMS DBREF 1E6D H 1 260 UNP P11846 RCEH_RHOSH 1 260 DBREF 1E6D M 1 307 UNP P02953 RCEM_RHOSH 1 307 SEQRES 1 H 25 ASP LEU ALA SER LEU ALA ILE TYR SER PHE TRP ILE PHE SEQRES 2 H 25 LEU ALA GLY LEU ILE TYR TYR LEU GLN THR GLU ASN ATOM 1 N ASP H 11 43.795 88.790 41.585 1.00 58.73 ATOM 2 CA ASP H 11 44.237 90.053 40.964 1.00 58.02 ATOM 3 C ASP H 11 43.287 91.241 41.184 1.00 55.84 ATOM 4 O ASP H 11 42.307 91.212 41.911 1.00 54.42 ATOM 5 CB ASP H 11 44.361 89.866 39.437 1.00 59.66 ATOM 6 CG ASP H 11 42.963 89.645 38.830 1.00 60.19 ATOM 7 OD1 ASP H 11 42.193 88.883 39.465 1.00 58.60 ATOM 8 OD2 ASP H 11 42.746 90.240 37.748 1.00 60.54 ATOM 9 N LEU H 12 43.614 92.325 40.486 1.00 53.80 ATOM 10 CA LEU H 12 42.887 93.559 40.527 1.00 53.56 ATOM 11 C LEU H 12 41.419 93.441 40.144 1.00 52.43 ATOM 12 O LEU H 12 40.557 94.086 40.774 1.00 52.73 ATOM 13 CB LEU H 12 43.567 94.633 39.667 1.00 55.48 ATOM 14 CG LEU H 12 43.131 96.057 40.065 1.00 59.13 ATOM 15 CD1 LEU H 12 43.798 96.449 41.384 1.00 60.49 ATOM 16 CD2 LEU H 12 43.442 97.070 38.978 1.00 60.68 ATOM 17 N ALA H 13 41.071 92.638 39.153 1.00 49.77 ATOM 18 CA ALA H 13 39.670 92.483 38.772 1.00 48.00 ATOM 19 C ALA H 13 38.897 91.771 39.871 1.00 47.66 ATOM 20 O ALA H 13 37.737 92.099 40.124 1.00 46.96 ATOM 21 CB ALA H 13 39.541 91.723 37.467 1.00 47.86 ATOM 22 N SER H 14 39.519 90.779 40.505 1.00 47.76 ATOM 23 CA SER H 14 38.852 90.048 41.570 1.00 49.82 ATOM 24 C SER H 14 38.616 90.963 42.782 1.00 48.96 ATOM 25 O SER H 14 37.631 90.828 43.482 1.00 46.14 ATOM 26 CB SER H 14 39.687 88.843 42.046 1.00 52.77 ATOM 27 OG SER H 14 39.857 87.956 40.944 1.00 57.21 ATOM 28 N LEU H 15 39.580 91.846 43.030 1.00 49.44 ATOM 29 CA LEU H 15 39.479 92.773 44.140 1.00 51.25 ATOM 30 C LEU H 15 38.298 93.745 43.902 1.00 48.58 ATOM 31 O LEU H 15 37.532 94.062 44.812 1.00 45.84 ATOM 32 CB LEU H 15 40.778 93.571 44.336 1.00 53.93 ATOM 33 CG LEU H 15 40.656 94.790 45.258 1.00 57.59 ATOM 34 CD1 LEU H 15 40.499 94.341 46.702 1.00 58.81 ATOM 35 CD2 LEU H 15 41.843 95.745 45.136 1.00 60.00 ATOM 36 N ALA H 16 38.201 94.187 42.659 1.00 45.01 ATOM 37 CA ALA H 16 37.174 95.106 42.226 1.00 43.48 ATOM 38 C ALA H 16 35.784 94.484 42.349 1.00 43.13 ATOM 39 O ALA H 16 34.855 95.087 42.898 1.00 40.96 ATOM 40 CB ALA H 16 37.428 95.570 40.808 1.00 41.16 ATOM 41 N ILE H 17 35.636 93.251 41.884 1.00 44.34 ATOM 42 CA ILE H 17 34.292 92.648 41.940 1.00 45.19 ATOM 43 C ILE H 17 33.868 92.348 43.354 1.00 45.64 ATOM 44 O ILE H 17 32.696 92.455 43.740 1.00 44.56 ATOM 45 CB ILE H 17 34.183 91.448 41.001 1.00 46.18 ATOM 46 CG1 ILE H 17 32.730 90.930 40.890 1.00 46.73 ATOM 47 CG2 ILE H 17 35.031 90.276 41.474 1.00 49.00 ATOM 48 CD1 ILE H 17 31.851 91.904 40.111 1.00 48.62 ATOM 49 N TYR H 18 34.828 91.945 44.183 1.00 47.35 ATOM 50 CA TYR H 18 34.532 91.612 45.583 1.00 49.31 ATOM 51 C TYR H 18 34.125 92.883 46.330 1.00 47.14 ATOM 52 O TYR H 18 33.170 92.888 47.108 1.00 44.75 ATOM 53 CB TYR H 18 35.727 90.875 46.177 1.00 54.67 ATOM 54 CG TYR H 18 35.635 90.530 47.634 1.00 59.93 ATOM 55 CD1 TYR H 18 35.057 89.340 48.073 1.00 62.82 ATOM 56 CD2 TYR H 18 36.138 91.415 48.592 1.00 62.42 ATOM 57 CE1 TYR H 18 34.952 89.055 49.435 1.00 65.01 ATOM 58 CE2 TYR H 18 36.060 91.137 49.953 1.00 65.22 ATOM 59 CZ TYR H 18 35.451 89.956 50.356 1.00 66.37 ATOM 60 OH TYR H 18 35.400 89.715 51.719 1.00 68.93 ATOM 61 N SER H 19 34.829 93.974 46.072 1.00 44.55 ATOM 62 CA SER H 19 34.571 95.264 46.642 1.00 46.35 ATOM 63 C SER H 19 33.158 95.752 46.255 1.00 45.77 ATOM 64 O SER H 19 32.408 96.269 47.077 1.00 43.37 ATOM 65 CB SER H 19 35.568 96.310 46.113 1.00 47.73 ATOM 66 OG SER H 19 36.823 96.103 46.731 1.00 51.14 ATOM 67 N PHE H 20 32.874 95.554 44.965 1.00 44.21 ATOM 68 CA PHE H 20 31.604 95.935 44.412 1.00 44.03 ATOM 69 C PHE H 20 30.476 95.201 45.132 1.00 43.69 ATOM 70 O PHE H 20 29.489 95.854 45.476 1.00 42.03 ATOM 71 CB PHE H 20 31.528 95.791 42.878 1.00 45.48 ATOM 72 CG PHE H 20 30.181 96.303 42.426 1.00 44.59 ATOM 73 CD1 PHE H 20 29.099 95.443 42.412 1.00 44.93 ATOM 74 CD2 PHE H 20 30.012 97.634 42.125 1.00 45.95 ATOM 75 CE1 PHE H 20 27.843 95.920 42.064 1.00 44.77 ATOM 76 CE2 PHE H 20 28.761 98.122 41.787 1.00 45.50 ATOM 77 CZ PHE H 20 27.690 97.247 41.747 1.00 44.37 ATOM 78 N TRP H 21 30.581 93.908 45.427 1.00 43.52 ATOM 79 CA TRP H 21 29.534 93.209 46.140 1.00 43.87 ATOM 80 C TRP H 21 29.354 93.727 47.570 1.00 43.80 ATOM 81 O TRP H 21 28.254 93.650 48.134 1.00 42.07 ATOM 82 CB TRP H 21 29.731 91.678 46.177 1.00 44.09 ATOM 83 CG TRP H 21 29.328 91.100 44.855 1.00 46.26 ATOM 84 CD1 TRP H 21 30.144 90.626 43.868 1.00 47.61 ATOM 85 CD2 TRP H 21 27.992 90.991 44.339 1.00 46.99 ATOM 86 NE1 TRP H 21 29.396 90.217 42.783 1.00 45.76 ATOM 87 CE2 TRP H 21 28.083 90.427 43.052 1.00 46.71 ATOM 88 CE3 TRP H 21 26.736 91.302 44.851 1.00 47.26 ATOM 89 CZ2 TRP H 21 26.955 90.157 42.277 1.00 47.71 ATOM 90 CZ3 TRP H 21 25.627 91.048 44.076 1.00 47.72 ATOM 91 CH2 TRP H 21 25.742 90.485 42.813 1.00 48.02 ATOM 92 N ILE H 22 30.425 94.252 48.156 1.00 42.78 ATOM 93 CA ILE H 22 30.311 94.764 49.530 1.00 43.50 ATOM 94 C ILE H 22 29.625 96.121 49.505 1.00 41.01 ATOM 95 O ILE H 22 28.790 96.445 50.337 1.00 40.69 ATOM 96 CB ILE H 22 31.670 94.798 50.213 1.00 46.72 ATOM 97 CG1 ILE H 22 32.228 93.339 50.353 1.00 47.39 ATOM 98 CG2 ILE H 22 31.614 95.446 51.590 1.00 46.76 ATOM 99 CD1 ILE H 22 33.716 93.454 50.756 1.00 48.59 ATOM 100 N PHE H 23 29.944 96.921 48.510 1.00 40.45 ATOM 101 CA PHE H 23 29.322 98.227 48.328 1.00 41.15 ATOM 102 C PHE H 23 27.815 98.043 48.131 1.00 40.75 ATOM 103 O PHE H 23 26.990 98.685 48.763 1.00 38.92 ATOM 104 CB PHE H 23 29.946 98.932 47.136 1.00 42.99 ATOM 105 CG PHE H 23 29.146 100.105 46.638 1.00 45.43 ATOM 106 CD1 PHE H 23 29.145 101.308 47.299 1.00 45.73 ATOM 107 CD2 PHE H 23 28.377 99.982 45.495 1.00 46.54 ATOM 108 CE1 PHE H 23 28.396 102.366 46.825 1.00 47.06 ATOM 109 CE2 PHE H 23 27.626 101.028 45.018 1.00 46.82 ATOM 110 CZ PHE H 23 27.638 102.233 45.675 1.00 46.54 ATOM 111 N LEU H 24 27.440 97.112 47.269 1.00 40.35 ATOM 112 CA LEU H 24 26.062 96.818 46.978 1.00 41.34 ATOM 113 C LEU H 24 25.257 96.413 48.195 1.00 40.44 ATOM 114 O LEU H 24 24.089 96.802 48.323 1.00 39.00 ATOM 115 CB LEU H 24 25.970 95.747 45.882 1.00 44.85 ATOM 116 CG LEU H 24 24.640 95.633 45.150 1.00 46.77 ATOM 117 CD1 LEU H 24 24.300 96.947 44.441 1.00 47.39 ATOM 118 CD2 LEU H 24 24.667 94.490 44.140 1.00 47.09 ATOM 119 N ALA H 25 25.844 95.634 49.089 1.00 41.12 ATOM 120 CA ALA H 25 25.136 95.199 50.300 1.00 40.73 ATOM 121 C ALA H 25 24.904 96.423 51.208 1.00 38.59 ATOM 122 O ALA H 25 23.817 96.566 51.737 1.00 35.13 ATOM 123 CB ALA H 25 25.899 94.122 51.044 1.00 41.64 ATOM 124 N GLY H 26 25.889 97.304 51.309 1.00 37.46 ATOM 125 CA GLY H 26 25.715 98.515 52.118 1.00 39.58 ATOM 126 C GLY H 26 24.657 99.458 51.481 1.00 38.93 ATOM 127 O GLY H 26 23.887 100.101 52.187 1.00 37.20 ATOM 128 N LEU H 27 24.646 99.517 50.152 1.00 36.32 ATOM 129 CA LEU H 27 23.709 100.339 49.427 1.00 37.11 ATOM 130 C LEU H 27 22.275 99.846 49.650 1.00 35.76 ATOM 131 O LEU H 27 21.333 100.613 49.889 1.00 34.32 ATOM 132 CB LEU H 27 24.073 100.395 47.929 1.00 38.13 ATOM 133 CG LEU H 27 23.103 101.242 47.067 1.00 39.82 ATOM 134 CD1 LEU H 27 23.159 102.709 47.480 1.00 38.65 ATOM 135 CD2 LEU H 27 23.361 101.061 45.600 1.00 39.77 ATOM 136 N ILE H 28 22.074 98.543 49.602 1.00 34.86 ATOM 137 CA ILE H 28 20.726 98.004 49.807 1.00 36.31 ATOM 138 C ILE H 28 20.260 98.275 51.223 1.00 35.98 ATOM 139 O ILE H 28 19.091 98.544 51.517 1.00 33.61 ATOM 140 CB ILE H 28 20.737 96.517 49.420 1.00 37.34 ATOM 141 CG1 ILE H 28 20.824 96.468 47.866 1.00 39.07 ATOM 142 CG2 ILE H 28 19.526 95.740 49.871 1.00 35.95 ATOM 143 CD1 ILE H 28 21.201 95.065 47.406 1.00 42.64 ATOM 144 N TYR H 29 21.208 98.210 52.155 1.00 36.52 ATOM 145 CA TYR H 29 20.934 98.447 53.559 1.00 37.18 ATOM 146 C TYR H 29 20.472 99.895 53.751 1.00 36.32 ATOM 147 O TYR H 29 19.426 100.205 54.323 1.00 33.75 ATOM 148 CB TYR H 29 22.184 98.056 54.345 1.00 41.34 ATOM 149 CG TYR H 29 22.004 98.284 55.837 1.00 45.26 ATOM 150 CD1 TYR H 29 22.282 99.539 56.373 1.00 47.78 ATOM 151 CD2 TYR H 29 21.467 97.313 56.644 1.00 46.79 ATOM 152 CE1 TYR H 29 22.066 99.790 57.713 1.00 50.97 ATOM 153 CE2 TYR H 29 21.280 97.535 57.987 1.00 49.96 ATOM 154 CZ TYR H 29 21.583 98.770 58.511 1.00 51.65 ATOM 155 OH TYR H 29 21.363 99.009 59.849 1.00 54.75 ATOM 156 N TYR H 30 21.232 100.837 53.224 1.00 36.13 ATOM 157 CA TYR H 30 20.904 102.261 53.264 1.00 37.01 ATOM 158 C TYR H 30 19.567 102.548 52.591 1.00 36.26 ATOM 159 O TYR H 30 18.676 103.239 53.104 1.00 36.43 ATOM 160 CB TYR H 30 22.059 102.968 52.526 1.00 38.36 ATOM 161 CG TYR H 30 21.664 104.340 52.035 1.00 38.58 ATOM 162 CD1 TYR H 30 21.584 105.404 52.931 1.00 38.84 ATOM 163 CD2 TYR H 30 21.358 104.556 50.712 1.00 37.68 ATOM 164 CE1 TYR H 30 21.191 106.662 52.521 1.00 38.20 ATOM 165 CE2 TYR H 30 20.968 105.803 50.286 1.00 40.49 ATOM 166 CZ TYR H 30 20.892 106.853 51.201 1.00 39.87 ATOM 167 OH TYR H 30 20.478 108.073 50.742 1.00 40.53 ATOM 168 N LEU H 31 19.358 101.994 51.390 1.00 33.78 ATOM 169 CA LEU H 31 18.138 102.188 50.661 1.00 32.29 ATOM 170 C LEU H 31 16.915 101.665 51.408 1.00 33.48 ATOM 171 O LEU H 31 15.870 102.305 51.449 1.00 31.47 ATOM 172 CB LEU H 31 18.170 101.489 49.295 1.00 33.32 ATOM 173 CG LEU H 31 18.960 102.199 48.193 1.00 34.54 ATOM 174 CD1 LEU H 31 18.940 101.376 46.918 1.00 33.43 ATOM 175 CD2 LEU H 31 18.439 103.610 47.976 1.00 34.11 ATOM 176 N GLN H 32 17.050 100.468 51.978 1.00 33.09 ATOM 177 CA GLN H 32 15.909 99.904 52.688 1.00 32.91 ATOM 178 C GLN H 32 15.569 100.740 53.905 1.00 30.48 ATOM 179 O GLN H 32 14.381 100.959 54.149 1.00 29.62 ATOM 180 CB GLN H 32 16.092 98.415 53.063 1.00 34.13 ATOM 181 CG GLN H 32 14.876 97.891 53.832 1.00 33.55 ATOM 182 CD GLN H 32 13.604 97.921 53.028 1.00 36.20 ATOM 183 OE1 GLN H 32 13.527 97.946 51.781 1.00 37.24 ATOM 184 NE2 GLN H 32 12.477 97.931 53.740 1.00 36.51 ATOM 185 N THR H 33 16.581 101.155 54.659 1.00 31.10 ATOM 186 CA THR H 33 16.323 101.983 55.824 1.00 32.12 ATOM 187 C THR H 33 15.728 103.341 55.419 1.00 32.25 ATOM 188 O THR H 33 14.858 103.850 56.142 1.00 30.41 ATOM 189 CB THR H 33 17.512 102.186 56.765 1.00 32.97 ATOM 190 OG1 THR H 33 18.554 102.888 56.066 1.00 34.09 ATOM 191 CG2 THR H 33 18.026 100.870 57.297 1.00 32.86 ATOM 192 N GLU H 34 16.147 103.925 54.285 1.00 31.29 ATOM 193 CA GLU H 34 15.519 105.195 53.910 1.00 30.44 ATOM 194 C GLU H 34 14.043 104.996 53.611 1.00 29.88 ATOM 195 O GLU H 34 13.269 105.947 53.697 1.00 31.04 ATOM 196 CB GLU H 34 16.194 105.759 52.645 1.00 30.78 ATOM 197 CG GLU H 34 17.571 106.355 52.941 1.00 30.71 ATOM 198 CD GLU H 34 17.464 107.527 53.889 1.00 31.28 ATOM 199 OE1 GLU H 34 16.580 108.401 53.688 1.00 32.65 ATOM 200 OE2 GLU H 34 18.251 107.586 54.833 1.00 33.10 ATOM 201 N ASN H 35 13.647 103.790 53.210 1.00 28.58 ATOM 202 CA ASN H 35 12.267 103.498 52.845 1.00 28.42 ATOM 203 C ASN H 35 11.377 103.108 53.991 1.00 28.94 ATOM 204 O ASN H 35 10.214 102.719 53.842 1.00 28.84 ATOM 205 CB ASN H 35 12.237 102.483 51.672 1.00 28.19 ATOM 206 CG ASN H 35 12.427 103.227 50.353 1.00 27.70 ATOM 207 OD1 ASN H 35 11.469 103.692 49.712 1.00 25.52 ATOM 208 ND2 ASN H 35 13.680 103.364 49.947 1.00 27.27 ATOM 209 N1 LDA H1704 24.018 109.149 50.318 1.00 77.13 ATOM 210 O1 LDA H1704 23.352 109.514 49.343 1.00 77.24 ATOM 211 CM1 LDA H1704 25.296 109.858 50.345 1.00 77.37 ATOM 212 CM2 LDA H1704 23.349 109.490 51.573 1.00 76.71 ATOM 213 C1 LDA H1704 24.243 107.727 50.261 1.00 75.21 ATOM 214 C2 LDA H1704 25.077 106.617 50.859 1.00 73.30 ATOM 215 C3 LDA H1704 25.600 105.693 49.754 1.00 71.51 ATOM 216 C4 LDA H1704 25.513 104.233 50.168 1.00 70.51 ATOM 217 C5 LDA H1704 26.701 103.799 51.026 1.00 69.93 ATOM 218 C6 LDA H1704 27.221 102.420 50.629 1.00 69.35 ATOM 219 C7 LDA H1704 28.042 101.778 51.746 1.00 70.67 ATOM 220 C8 LDA H1704 29.509 101.635 51.332 1.00 70.44 ATOM 221 C9 LDA H1704 30.365 100.944 52.374 1.00 71.52 ATOM 222 C10 LDA H1704 29.881 99.528 52.680 1.00 71.64 ATOM 223 C11 LDA H1704 30.109 99.159 54.143 1.00 72.17 ATOM 224 C12 LDA H1704 29.481 97.800 54.470 1.00 72.84 ATOM 225 N1 LDA H1707 29.101 107.999 47.721 1.00 79.16 ATOM 226 O1 LDA H1707 28.500 107.101 48.318 1.00 79.66 ATOM 227 CM1 LDA H1707 28.400 109.260 47.829 1.00 78.12 ATOM 228 CM2 LDA H1707 30.455 108.115 48.265 1.00 78.78 ATOM 229 C1 LDA H1707 29.238 107.602 46.303 1.00 76.88 ATOM 230 C2 LDA H1707 29.709 106.232 45.784 1.00 74.74 ATOM 231 C3 LDA H1707 30.266 106.297 44.380 1.00 73.49 ATOM 232 C4 LDA H1707 30.590 104.892 43.879 1.00 72.50 ATOM 233 C5 LDA H1707 32.068 104.766 43.524 1.00 73.08 ATOM 234 C6 LDA H1707 32.721 103.636 44.318 1.00 73.41 ATOM 235 C7 LDA H1707 32.065 102.293 43.973 1.00 72.61 ATOM 236 C8 LDA H1707 32.808 101.173 44.715 1.00 72.38 ATOM 237 C9 LDA H1707 32.554 99.835 44.039 1.00 72.83 ATOM 238 C10 LDA H1707 33.569 99.582 42.933 1.00 73.32 ATOM 239 C11 LDA H1707 34.916 99.153 43.507 1.00 73.85 ATOM 240 C12 LDA H1707 36.055 99.715 42.666 1.00 73.98 TER ATOM 1 N1 LDA M1702 9.461 94.762 56.667 1.00 58.18 ATOM 2 O1 LDA M1702 8.903 95.833 56.805 1.00 58.34 ATOM 3 CM1 LDA M1702 9.984 94.246 57.912 1.00 57.43 ATOM 4 CM2 LDA M1702 8.495 93.798 56.136 1.00 57.57 ATOM 5 C1 LDA M1702 10.602 94.889 55.765 1.00 57.77 ATOM 6 C2 LDA M1702 11.484 93.810 55.088 1.00 57.27 ATOM 7 C3 LDA M1702 12.057 94.347 53.793 1.00 56.09 ATOM 8 C4 LDA M1702 13.320 93.620 53.387 1.00 57.07 ATOM 9 C5 LDA M1702 13.494 93.560 51.876 1.00 56.50 ATOM 10 C6 LDA M1702 14.958 93.585 51.483 1.00 58.17 ATOM 11 C7 LDA M1702 15.214 94.329 50.192 1.00 58.17 ATOM 12 C8 LDA M1702 15.894 93.446 49.164 1.00 60.41 ATOM 13 C9 LDA M1702 15.474 93.755 47.738 1.00 60.67 ATOM 14 C10 LDA M1702 16.516 93.257 46.742 1.00 62.61 ATOM 15 C11 LDA M1702 16.657 94.220 45.572 1.00 63.05 ATOM 16 C12 LDA M1702 17.606 93.696 44.505 1.00 63.71 TER