HEADER PHOTOSYNTHESIS 23-MAR-07 2UWT TITLE X-RAY HIGH RESOLUTION STRUCTURE OF THE PHOTOSYNTHETIC REACTION CENTER TITLE 2 FROM RB. SPHAEROIDES AT PH 6.5 IN THE CHARGE-SEPARATED STATE 2ND TITLE 3 DATASET COMPND MOL_ID: 1; COMPND 2 MOLECULE: REACTION CENTER PROTEIN H CHAIN; COMPND 3 CHAIN: H; COMPND 4 PH 6.5 CHARGE-SEPARATED STATE; COMPND 5 MOL_ID: 3; COMPND 6 REACTION CENTER PROTEIN M CHAIN; COMPND 7 CHAIN: M; COMPND 8 PH 6.5 CHARGE-SEPARATED STATE; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 2UWT H 1 260 UNP P0C0Y7 RCEH_RHOSH 1 260 DBREF 2UWT M 1 307 UNP P0C0Y9 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 28.689 114.809 19.474 1.00 54.78 ATOM 2 CA ASP H 11 29.563 114.416 20.623 1.00 54.26 ATOM 3 C ASP H 11 30.064 112.950 20.552 1.00 53.12 ATOM 4 O ASP H 11 29.494 112.128 19.833 1.00 52.64 ATOM 5 CB ASP H 11 28.864 114.771 21.949 1.00 55.31 ATOM 6 CG ASP H 11 28.143 113.577 22.604 1.00 57.90 ATOM 7 OD1 ASP H 11 27.114 113.109 22.048 1.00 60.16 ATOM 8 OD2 ASP H 11 28.537 113.068 23.685 1.00 58.29 ATOM 9 N LEU H 12 31.133 112.646 21.285 1.00 51.79 ATOM 10 CA LEU H 12 31.816 111.356 21.183 1.00 51.46 ATOM 11 C LEU H 12 30.953 110.126 21.537 1.00 50.72 ATOM 12 O LEU H 12 31.149 109.038 20.942 1.00 51.27 ATOM 13 CB LEU H 12 33.113 111.344 22.007 1.00 51.59 ATOM 14 CG LEU H 12 34.404 110.658 21.501 1.00 54.45 ATOM 15 CD1 LEU H 12 34.229 109.220 20.949 1.00 56.59 ATOM 16 CD2 LEU H 12 35.179 111.522 20.463 1.00 56.60 ATOM 17 N ALA H 13 30.025 110.275 22.486 1.00 48.49 ATOM 18 CA ALA H 13 29.151 109.163 22.874 1.00 46.80 ATOM 19 C ALA H 13 28.127 108.862 21.789 1.00 45.98 ATOM 20 O ALA H 13 27.795 107.710 21.547 1.00 45.30 ATOM 21 CB ALA H 13 28.449 109.439 24.219 1.00 46.30 ATOM 22 N SER H 14 27.619 109.923 21.167 1.00 45.98 ATOM 23 CA SER H 14 26.714 109.850 20.014 1.00 46.03 ATOM 24 C SER H 14 27.369 109.127 18.856 1.00 45.55 ATOM 25 O SER H 14 26.762 108.261 18.243 1.00 45.71 ATOM 26 CB SER H 14 26.370 111.257 19.532 1.00 45.88 ATOM 27 OG SER H 14 25.151 111.679 20.082 1.00 46.96 ATOM 28 N LEU H 15 28.615 109.485 18.575 1.00 44.80 ATOM 29 CA LEU H 15 29.347 108.857 17.501 1.00 45.36 ATOM 30 C LEU H 15 29.551 107.358 17.783 1.00 44.61 ATOM 31 O LEU H 15 29.381 106.518 16.893 1.00 44.13 ATOM 32 CB LEU H 15 30.683 109.584 17.250 1.00 45.54 ATOM 33 CG LEU H 15 31.694 108.819 16.393 1.00 47.96 ATOM 34 CD1 LEU H 15 31.305 108.866 14.899 1.00 49.61 ATOM 35 CD2 LEU H 15 33.139 109.307 16.625 1.00 51.11 ATOM 36 N ALA H 16 29.873 107.042 19.039 1.00 43.85 ATOM 37 CA ALA H 16 30.160 105.683 19.444 1.00 42.66 ATOM 38 C ALA H 16 28.916 104.825 19.292 1.00 42.21 ATOM 39 O ALA H 16 29.006 103.690 18.807 1.00 41.42 ATOM 40 CB ALA H 16 30.661 105.657 20.854 1.00 43.00 ATOM 41 N ILE H 17 27.759 105.369 19.665 1.00 41.61 ATOM 42 CA ILE H 17 26.549 104.566 19.657 1.00 42.00 ATOM 43 C ILE H 17 26.066 104.308 18.225 1.00 42.53 ATOM 44 O ILE H 17 25.646 103.199 17.893 1.00 42.62 ATOM 45 CB ILE H 17 25.427 105.108 20.655 1.00 41.67 ATOM 46 CG1 ILE H 17 24.286 104.095 20.832 1.00 41.73 ATOM 47 CG2 ILE H 17 24.826 106.438 20.221 1.00 41.90 ATOM 48 CD1 ILE H 17 24.692 102.816 21.590 1.00 41.84 ATOM 49 N TYR H 18 26.155 105.341 17.392 1.00 43.52 ATOM 50 CA TYR H 18 25.819 105.274 15.972 1.00 44.25 ATOM 51 C TYR H 18 26.770 104.272 15.282 1.00 42.89 ATOM 52 O TYR H 18 26.314 103.365 14.599 1.00 42.04 ATOM 53 CB TYR H 18 25.901 106.697 15.369 1.00 45.82 ATOM 54 CG TYR H 18 25.758 106.787 13.865 1.00 51.64 ATOM 55 CD1 TYR H 18 24.485 106.839 13.268 1.00 57.45 ATOM 56 CD2 TYR H 18 26.895 106.830 13.028 1.00 56.34 ATOM 57 CE1 TYR H 18 24.340 106.913 11.876 1.00 60.41 ATOM 58 CE2 TYR H 18 26.764 106.911 11.631 1.00 60.13 ATOM 59 CZ TYR H 18 25.480 106.949 11.065 1.00 62.98 ATOM 60 OH TYR H 18 25.325 107.027 9.687 1.00 67.37 ATOM 61 N SER H 19 28.076 104.416 15.504 1.00 41.41 ATOM 62 CA SER H 19 29.036 103.448 14.998 1.00 41.50 ATOM 63 C SER H 19 28.729 102.009 15.410 1.00 41.34 ATOM 64 O SER H 19 28.908 101.071 14.603 1.00 40.79 ATOM 65 CB SER H 19 30.448 103.788 15.456 1.00 41.58 ATOM 66 OG SER H 19 30.747 105.106 15.074 1.00 42.39 ATOM 67 N PHE H 20 28.273 101.845 16.660 1.00 40.69 ATOM 68 CA PHE H 20 28.038 100.520 17.208 1.00 39.24 ATOM 69 C PHE H 20 26.883 99.833 16.484 1.00 39.49 ATOM 70 O PHE H 20 26.964 98.639 16.168 1.00 38.88 ATOM 71 CB PHE H 20 27.806 100.487 18.736 1.00 38.77 ATOM 72 CG PHE H 20 27.457 99.111 19.206 1.00 35.91 ATOM 73 CD1 PHE H 20 28.456 98.198 19.492 1.00 33.46 ATOM 74 CD2 PHE H 20 26.143 98.679 19.199 1.00 33.65 ATOM 75 CE1 PHE H 20 28.152 96.883 19.818 1.00 30.96 ATOM 76 CE2 PHE H 20 25.843 97.364 19.530 1.00 35.47 ATOM 77 CZ PHE H 20 26.865 96.474 19.849 1.00 31.41 ATOM 78 N TRP H 21 25.818 100.583 16.214 1.00 39.66 ATOM 79 CA TRP H 21 24.687 100.019 15.498 1.00 40.32 ATOM 80 C TRP H 21 25.045 99.605 14.078 1.00 40.33 ATOM 81 O TRP H 21 24.533 98.603 13.563 1.00 40.12 ATOM 82 CB TRP H 21 23.487 100.959 15.529 1.00 40.81 ATOM 83 CG TRP H 21 22.782 100.858 16.857 1.00 42.94 ATOM 84 CD1 TRP H 21 22.791 101.777 17.865 1.00 43.67 ATOM 85 CD2 TRP H 21 22.020 99.742 17.343 1.00 44.08 ATOM 86 NE1 TRP H 21 22.063 101.315 18.936 1.00 44.23 ATOM 87 CE2 TRP H 21 21.576 100.070 18.640 1.00 44.16 ATOM 88 CE3 TRP H 21 21.652 98.506 16.804 1.00 45.15 ATOM 89 CZ2 TRP H 21 20.786 99.209 19.404 1.00 44.87 ATOM 90 CZ3 TRP H 21 20.863 97.654 17.563 1.00 47.04 ATOM 91 CH2 TRP H 21 20.444 98.011 18.852 1.00 45.44 ATOM 92 N ILE H 22 25.948 100.358 13.460 1.00 40.50 ATOM 93 CA ILE H 22 26.413 100.027 12.119 1.00 40.72 ATOM 94 C ILE H 22 27.263 98.768 12.232 1.00 40.67 ATOM 95 O ILE H 22 27.084 97.815 11.444 1.00 41.60 ATOM 96 CB ILE H 22 27.201 101.219 11.475 1.00 41.37 ATOM 97 CG1 ILE H 22 26.263 102.397 11.144 1.00 40.51 ATOM 98 CG2 ILE H 22 28.049 100.779 10.235 1.00 39.56 ATOM 99 CD1 ILE H 22 27.058 103.683 10.905 1.00 41.44 ATOM 100 N PHE H 23 28.149 98.734 13.229 1.00 39.41 ATOM 101 CA PHE H 23 28.970 97.554 13.422 1.00 38.41 ATOM 102 C PHE H 23 28.054 96.342 13.617 1.00 37.97 ATOM 103 O PHE H 23 28.284 95.297 13.021 1.00 38.27 ATOM 104 CB PHE H 23 29.971 97.704 14.576 1.00 38.32 ATOM 105 CG PHE H 23 30.411 96.375 15.155 1.00 39.64 ATOM 106 CD1 PHE H 23 31.487 95.671 14.587 1.00 39.73 ATOM 107 CD2 PHE H 23 29.705 95.788 16.227 1.00 38.73 ATOM 108 CE1 PHE H 23 31.865 94.412 15.094 1.00 39.34 ATOM 109 CE2 PHE H 23 30.065 94.522 16.735 1.00 37.67 ATOM 110 CZ PHE H 23 31.146 93.838 16.183 1.00 38.54 ATOM 111 N LEU H 24 26.998 96.495 14.411 1.00 37.32 ATOM 112 CA LEU H 24 26.161 95.361 14.780 1.00 36.76 ATOM 113 C LEU H 24 25.318 94.853 13.623 1.00 36.53 ATOM 114 O LEU H 24 25.094 93.657 13.506 1.00 37.42 ATOM 115 CB LEU H 24 25.304 95.678 16.021 1.00 36.60 ATOM 116 CG LEU H 24 24.394 94.547 16.556 1.00 37.52 ATOM 117 CD1 LEU H 24 25.167 93.331 17.109 1.00 33.26 ATOM 118 CD2 LEU H 24 23.359 95.051 17.587 1.00 39.62 ATOM 119 N ALA H 25 24.838 95.753 12.772 1.00 36.71 ATOM 120 CA ALA H 25 24.194 95.366 11.503 1.00 36.38 ATOM 121 C ALA H 25 25.129 94.506 10.623 1.00 36.25 ATOM 122 O ALA H 25 24.716 93.452 10.157 1.00 36.40 ATOM 123 CB ALA H 25 23.717 96.612 10.727 1.00 36.18 ATOM 124 N GLY H 26 26.382 94.945 10.435 1.00 35.93 ATOM 125 CA GLY H 26 27.402 94.169 9.743 1.00 35.55 ATOM 126 C GLY H 26 27.687 92.810 10.388 1.00 36.03 ATOM 127 O GLY H 26 27.837 91.794 9.695 1.00 36.82 ATOM 128 N LEU H 27 27.728 92.779 11.719 1.00 35.08 ATOM 129 CA LEU H 27 27.949 91.540 12.448 1.00 34.49 ATOM 130 C LEU H 27 26.815 90.517 12.229 1.00 33.78 ATOM 131 O LEU H 27 27.074 89.335 11.960 1.00 33.15 ATOM 132 CB LEU H 27 28.199 91.813 13.945 1.00 34.23 ATOM 133 CG LEU H 27 28.455 90.582 14.831 1.00 35.11 ATOM 134 CD1 LEU H 27 29.813 89.897 14.480 1.00 33.89 ATOM 135 CD2 LEU H 27 28.342 90.942 16.341 1.00 34.35 ATOM 136 N ILE H 28 25.574 90.968 12.328 1.00 33.35 ATOM 137 CA ILE H 28 24.431 90.077 12.126 1.00 33.97 ATOM 138 C ILE H 28 24.428 89.525 10.692 1.00 34.10 ATOM 139 O ILE H 28 24.105 88.355 10.425 1.00 33.28 ATOM 140 CB ILE H 28 23.127 90.840 12.480 1.00 34.50 ATOM 141 CG1 ILE H 28 23.061 91.019 14.027 1.00 36.74 ATOM 142 CG2 ILE H 28 21.879 90.151 11.907 1.00 31.23 ATOM 143 CD1 ILE H 28 22.055 92.092 14.516 1.00 38.09 ATOM 144 N TYR H 29 24.838 90.392 9.782 1.00 34.48 ATOM 145 CA TYR H 29 24.978 90.041 8.403 1.00 34.72 ATOM 146 C TYR H 29 26.012 88.934 8.268 1.00 33.49 ATOM 147 O TYR H 29 25.699 87.850 7.758 1.00 33.34 ATOM 148 CB TYR H 29 25.360 91.280 7.590 1.00 35.86 ATOM 149 CG TYR H 29 25.366 90.996 6.124 1.00 39.27 ATOM 150 CD1 TYR H 29 24.168 90.930 5.398 1.00 42.07 ATOM 151 CD2 TYR H 29 26.572 90.732 5.465 1.00 42.68 ATOM 152 CE1 TYR H 29 24.180 90.639 4.046 1.00 45.78 ATOM 153 CE2 TYR H 29 26.599 90.439 4.124 1.00 45.73 ATOM 154 CZ TYR H 29 25.409 90.398 3.417 1.00 47.90 ATOM 155 OH TYR H 29 25.472 90.108 2.078 1.00 52.70 ATOM 156 N TYR H 30 27.229 89.200 8.733 1.00 32.56 ATOM 157 CA TYR H 30 28.279 88.180 8.777 1.00 32.00 ATOM 158 C TYR H 30 27.788 86.857 9.402 1.00 31.96 ATOM 159 O TYR H 30 27.995 85.757 8.837 1.00 32.35 ATOM 160 CB TYR H 30 29.502 88.742 9.510 1.00 32.51 ATOM 161 CG TYR H 30 30.514 87.708 9.993 1.00 33.49 ATOM 162 CD1 TYR H 30 31.495 87.169 9.115 1.00 32.70 ATOM 163 CD2 TYR H 30 30.503 87.272 11.329 1.00 31.78 ATOM 164 CE1 TYR H 30 32.426 86.211 9.566 1.00 32.52 ATOM 165 CE2 TYR H 30 31.419 86.329 11.786 1.00 33.48 ATOM 166 CZ TYR H 30 32.383 85.809 10.903 1.00 35.62 ATOM 167 OH TYR H 30 33.266 84.882 11.387 1.00 38.42 ATOM 168 N LEU H 31 27.099 86.959 10.547 1.00 31.23 ATOM 169 CA LEU H 31 26.705 85.768 11.307 1.00 30.13 ATOM 170 C LEU H 31 25.646 84.971 10.580 1.00 29.54 ATOM 171 O LEU H 31 25.741 83.752 10.502 1.00 29.73 ATOM 172 CB LEU H 31 26.246 86.121 12.738 1.00 29.51 ATOM 173 CG LEU H 31 27.336 86.498 13.753 1.00 28.81 ATOM 174 CD1 LEU H 31 26.707 87.207 14.964 1.00 30.18 ATOM 175 CD2 LEU H 31 28.143 85.314 14.203 1.00 25.19 ATOM 176 N GLN H 32 24.636 85.653 10.049 1.00 29.19 ATOM 177 CA GLN H 32 23.596 84.952 9.316 1.00 29.30 ATOM 178 C GLN H 32 24.183 84.226 8.087 1.00 29.63 ATOM 179 O GLN H 32 23.894 83.051 7.892 1.00 28.98 ATOM 180 CB GLN H 32 22.419 85.881 8.938 1.00 29.53 ATOM 181 CG GLN H 32 21.211 85.148 8.307 1.00 28.65 ATOM 182 CD GLN H 32 20.777 83.891 9.073 1.00 34.08 ATOM 183 OE1 GLN H 32 20.854 83.816 10.336 1.00 35.78 ATOM 184 NE2 GLN H 32 20.295 82.902 8.325 1.00 34.31 ATOM 185 N THR H 33 25.016 84.915 7.292 1.00 29.61 ATOM 186 CA THR H 33 25.632 84.280 6.117 1.00 30.24 ATOM 187 C THR H 33 26.575 83.135 6.499 1.00 31.05 ATOM 188 O THR H 33 26.555 82.073 5.837 1.00 31.29 ATOM 189 CB THR H 33 26.358 85.282 5.222 1.00 30.18 ATOM 190 OG1 THR H 33 27.330 85.999 5.998 1.00 32.61 ATOM 191 CG2 THR H 33 25.408 86.373 4.741 1.00 28.86 ATOM 192 N GLU H 34 27.367 83.306 7.573 1.00 30.73 ATOM 193 CA GLU H 34 28.143 82.171 8.100 1.00 29.98 ATOM 194 C GLU H 34 27.237 80.987 8.379 1.00 29.62 ATOM 195 O GLU H 34 27.637 79.838 8.193 1.00 29.21 ATOM 196 CB GLU H 34 28.908 82.534 9.368 1.00 30.26 ATOM 197 CG GLU H 34 30.181 83.329 9.156 1.00 30.85 ATOM 198 CD GLU H 34 31.143 82.664 8.194 1.00 33.54 ATOM 199 OE1 GLU H 34 31.591 83.351 7.256 1.00 37.79 ATOM 200 OE2 GLU H 34 31.454 81.468 8.365 1.00 33.81 ATOM 201 N ASN H 35 26.004 81.251 8.794 1.00 29.32 ATOM 202 CA ASN H 35 25.097 80.143 9.150 1.00 30.33 ATOM 203 C ASN H 35 24.318 79.557 7.984 1.00 30.94 ATOM 204 O ASN H 35 23.420 78.697 8.149 1.00 31.25 ATOM 205 CB ASN H 35 24.190 80.520 10.362 1.00 30.29 ATOM 206 CG ASN H 35 24.940 80.388 11.687 1.00 30.52 ATOM 207 OD1 ASN H 35 24.876 79.351 12.337 1.00 31.63 ATOM 208 ND2 ASN H 35 25.732 81.397 12.030 1.00 28.56 ATOM 209 C1 GOL H1251 37.292 80.518 8.182 1.00 63.44 ATOM 210 O1 GOL H1251 38.365 80.595 9.113 1.00 62.55 ATOM 211 C2 GOL H1251 36.481 81.818 7.992 1.00 61.98 ATOM 212 O2 GOL H1251 36.290 82.098 6.610 1.00 59.42 ATOM 213 C3 GOL H1251 35.143 81.790 8.776 1.00 60.02 ATOM 214 O3 GOL H1251 34.133 80.906 8.299 1.00 54.83 ATOM 215 C1 GOL H1252 22.659 94.545 7.602 1.00 81.85 ATOM 216 O1 GOL H1252 23.288 94.641 6.333 1.00 80.51 ATOM 217 C2 GOL H1252 21.285 93.853 7.582 1.00 81.64 ATOM 218 O2 GOL H1252 21.435 92.468 7.804 1.00 82.31 ATOM 219 C3 GOL H1252 20.375 94.404 8.685 1.00 81.78 ATOM 220 O3 GOL H1252 20.040 93.407 9.636 1.00 80.53 ATOM 221 C1 GOL H1253 17.800 98.766 15.852 1.00 96.83 ATOM 222 O1 GOL H1253 16.643 98.089 16.304 1.00 96.57 ATOM 223 C2 GOL H1253 17.826 100.227 16.316 1.00 96.10 ATOM 224 O2 GOL H1253 17.923 100.299 17.728 1.00 96.45 ATOM 225 C3 GOL H1253 19.009 100.941 15.662 1.00 94.70 ATOM 226 O3 GOL H1253 18.970 102.312 15.971 1.00 92.60 TER ATOM 1 N1 LDA M1305 19.516 100.371 23.933 1.00 71.81 ATOM 2 O1 LDA M1305 20.493 100.428 23.153 1.00 72.23 ATOM 3 CM1 LDA M1305 20.014 100.259 25.309 1.00 72.89 ATOM 4 CM2 LDA M1305 18.841 101.693 23.883 1.00 72.49 ATOM 5 C1 LDA M1305 18.570 99.276 23.610 1.00 69.92 ATOM 6 C2 LDA M1305 19.145 97.852 23.424 1.00 66.51 ATOM 7 C3 LDA M1305 18.340 97.104 22.345 1.00 66.63 ATOM 8 C4 LDA M1305 18.431 95.579 22.381 1.00 65.58 ATOM 9 C5 LDA M1305 18.721 94.914 21.024 1.00 65.81 ATOM 10 C6 LDA M1305 19.842 93.846 21.076 1.00 65.74 ATOM 11 C7 LDA M1305 19.866 92.833 19.912 1.00 64.87 ATOM 12 C8 LDA M1305 20.845 91.646 20.110 1.00 64.26 ATOM 13 C9 LDA M1305 21.473 91.062 18.802 1.00 60.94 ATOM 14 C10 LDA M1305 22.191 89.683 18.850 1.00 54.08 ATOM 15 C11 LDA M1305 23.540 89.718 18.110 1.00 49.34 ATOM 16 C12 LDA M1305 24.641 88.736 18.552 1.00 42.98 ATOM 17 N1 LDA M1307 16.635 82.661 5.610 1.00 66.66 ATOM 18 O1 LDA M1307 16.327 81.435 5.477 1.00 66.25 ATOM 19 CM1 LDA M1307 18.023 82.900 5.138 1.00 64.76 ATOM 20 CM2 LDA M1307 15.675 83.459 4.803 1.00 66.53 ATOM 21 C1 LDA M1307 16.542 83.042 7.021 1.00 63.38 ATOM 22 C2 LDA M1307 16.800 84.553 7.157 1.00 61.96 ATOM 23 C3 LDA M1307 17.289 84.980 8.560 1.00 58.94 ATOM 24 C4 LDA M1307 16.134 85.476 9.434 1.00 55.57 ATOM 25 C5 LDA M1307 16.626 86.366 10.544 1.00 53.65 ATOM 26 C6 LDA M1307 18.142 86.389 10.545 1.00 53.41 ATOM 27 C7 LDA M1307 18.656 87.218 11.714 1.00 55.39 ATOM 28 C8 LDA M1307 17.543 87.757 12.624 1.00 55.53 ATOM 29 C9 LDA M1307 17.971 87.527 14.066 1.00 56.73 ATOM 30 C10 LDA M1307 18.596 88.759 14.715 1.00 57.25 ATOM 31 C11 LDA M1307 19.377 88.329 15.952 1.00 57.52 ATOM 32 C12 LDA M1307 19.495 89.455 16.965 1.00 57.01 TER