HEADER PHOTOSYNTHESIS 26-MAR-07 2UX3 TITLE X-RAY HIGH RESOLUTION STRUCTURE OF THE PHOTOSYNTHETIC REACTION CENTER TITLE 2 FROM RB. SPHAEROIDES AT PH 9 IN THE NEUTRAL STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: REACTION CENTER PROTEIN H CHAIN; COMPND 3 CHAIN: H; COMPND 4 PH 6.5 CHARGE-SEPARATED STATE; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.50 ANGSTORMS DBREF 2UX3 H 1 260 UNP P0C0Y7 RCEH_RHOSH 1 260 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 29.226 114.794 19.475 1.00 64.56 ATOM 2 CA ASP H 11 29.485 114.092 20.778 1.00 63.97 ATOM 3 C ASP H 11 30.036 112.667 20.578 1.00 63.42 ATOM 4 O ASP H 11 29.440 111.851 19.869 1.00 62.88 ATOM 5 CB ASP H 11 28.209 114.076 21.633 1.00 64.42 ATOM 6 CG ASP H 11 28.214 112.964 22.692 1.00 65.72 ATOM 7 OD1 ASP H 11 27.333 112.083 22.596 1.00 67.94 ATOM 8 OD2 ASP H 11 29.051 112.872 23.628 1.00 64.37 ATOM 9 N LEU H 12 31.157 112.379 21.234 1.00 62.61 ATOM 10 CA LEU H 12 31.844 111.100 21.095 1.00 62.51 ATOM 11 C LEU H 12 31.016 109.848 21.459 1.00 62.18 ATOM 12 O LEU H 12 31.188 108.785 20.833 1.00 62.30 ATOM 13 CB LEU H 12 33.148 111.114 21.896 1.00 62.67 ATOM 14 CG LEU H 12 34.216 110.111 21.467 1.00 64.97 ATOM 15 CD1 LEU H 12 34.945 110.590 20.196 1.00 67.49 ATOM 16 CD2 LEU H 12 35.215 109.860 22.593 1.00 66.96 ATOM 17 N ALA H 13 30.148 109.959 22.470 1.00 60.92 ATOM 18 CA ALA H 13 29.348 108.821 22.902 1.00 59.99 ATOM 19 C ALA H 13 28.271 108.511 21.877 1.00 59.70 ATOM 20 O ALA H 13 27.911 107.355 21.687 1.00 59.39 ATOM 21 CB ALA H 13 28.730 109.071 24.270 1.00 59.99 ATOM 22 N SER H 14 27.757 109.561 21.235 1.00 59.44 ATOM 23 CA SER H 14 26.802 109.438 20.130 1.00 59.34 ATOM 24 C SER H 14 27.424 108.761 18.931 1.00 58.46 ATOM 25 O SER H 14 26.809 107.910 18.317 1.00 58.68 ATOM 26 CB SER H 14 26.312 110.814 19.690 1.00 59.51 ATOM 27 OG SER H 14 25.237 111.220 20.502 1.00 61.43 ATOM 28 N LEU H 15 28.641 109.165 18.598 1.00 57.86 ATOM 29 CA LEU H 15 29.379 108.554 17.517 1.00 57.76 ATOM 30 C LEU H 15 29.621 107.070 17.826 1.00 56.86 ATOM 31 O LEU H 15 29.403 106.210 16.963 1.00 56.49 ATOM 32 CB LEU H 15 30.698 109.309 17.255 1.00 58.03 ATOM 33 CG LEU H 15 31.621 108.696 16.187 1.00 60.41 ATOM 34 CD1 LEU H 15 31.115 108.950 14.748 1.00 62.05 ATOM 35 CD2 LEU H 15 33.054 109.181 16.347 1.00 63.26 ATOM 36 N ALA H 16 30.026 106.774 19.064 1.00 55.89 ATOM 37 CA ALA H 16 30.302 105.395 19.468 1.00 54.71 ATOM 38 C ALA H 16 29.059 104.517 19.333 1.00 53.88 ATOM 39 O ALA H 16 29.143 103.418 18.791 1.00 53.57 ATOM 40 CB ALA H 16 30.872 105.334 20.873 1.00 54.53 ATOM 41 N ILE H 17 27.908 105.012 19.780 1.00 52.90 ATOM 42 CA ILE H 17 26.705 104.189 19.789 1.00 52.54 ATOM 43 C ILE H 17 26.158 103.964 18.384 1.00 53.14 ATOM 44 O ILE H 17 25.698 102.859 18.053 1.00 52.93 ATOM 45 CB ILE H 17 25.613 104.704 20.814 1.00 52.00 ATOM 46 CG1 ILE H 17 24.547 103.630 21.067 1.00 50.67 ATOM 47 CG2 ILE H 17 24.939 105.979 20.353 1.00 50.98 ATOM 48 CD1 ILE H 17 25.075 102.361 21.735 1.00 48.85 ATOM 49 N TYR H 18 26.228 105.018 17.572 1.00 53.80 ATOM 50 CA TYR H 18 25.846 104.965 16.170 1.00 55.01 ATOM 51 C TYR H 18 26.753 103.967 15.424 1.00 54.22 ATOM 52 O TYR H 18 26.261 103.122 14.683 1.00 53.74 ATOM 53 CB TYR H 18 25.898 106.381 15.567 1.00 56.28 ATOM 54 CG TYR H 18 25.802 106.444 14.055 1.00 60.74 ATOM 55 CD1 TYR H 18 24.551 106.423 13.407 1.00 65.20 ATOM 56 CD2 TYR H 18 26.964 106.540 13.267 1.00 64.35 ATOM 57 CE1 TYR H 18 24.464 106.482 11.999 1.00 68.55 ATOM 58 CE2 TYR H 18 26.896 106.598 11.868 1.00 68.00 ATOM 59 CZ TYR H 18 25.646 106.568 11.237 1.00 69.87 ATOM 60 OH TYR H 18 25.585 106.634 9.855 1.00 71.80 ATOM 61 N SER H 19 28.063 104.063 15.659 1.00 53.53 ATOM 62 CA SER H 19 29.034 103.126 15.105 1.00 53.57 ATOM 63 C SER H 19 28.791 101.682 15.532 1.00 53.39 ATOM 64 O SER H 19 28.893 100.769 14.695 1.00 53.09 ATOM 65 CB SER H 19 30.467 103.517 15.475 1.00 53.58 ATOM 66 OG SER H 19 30.835 104.731 14.844 1.00 53.88 ATOM 67 N PHE H 20 28.474 101.479 16.820 1.00 52.85 ATOM 68 CA PHE H 20 28.237 100.132 17.332 1.00 51.85 ATOM 69 C PHE H 20 27.061 99.467 16.634 1.00 51.59 ATOM 70 O PHE H 20 27.138 98.280 16.296 1.00 51.28 ATOM 71 CB PHE H 20 28.033 100.057 18.853 1.00 52.12 ATOM 72 CG PHE H 20 27.799 98.647 19.331 1.00 51.01 ATOM 73 CD1 PHE H 20 28.871 97.812 19.612 1.00 50.37 ATOM 74 CD2 PHE H 20 26.514 98.125 19.385 1.00 50.58 ATOM 75 CE1 PHE H 20 28.662 96.485 19.981 1.00 49.82 ATOM 76 CE2 PHE H 20 26.299 96.797 19.759 1.00 51.13 ATOM 77 CZ PHE H 20 27.376 95.986 20.061 1.00 49.61 ATOM 78 N TRP H 21 25.985 100.227 16.414 1.00 51.36 ATOM 79 CA TRP H 21 24.829 99.711 15.674 1.00 51.15 ATOM 80 C TRP H 21 25.162 99.315 14.240 1.00 50.82 ATOM 81 O TRP H 21 24.602 98.348 13.724 1.00 51.07 ATOM 82 CB TRP H 21 23.646 100.682 15.706 1.00 51.26 ATOM 83 CG TRP H 21 22.924 100.642 17.019 1.00 52.27 ATOM 84 CD1 TRP H 21 22.907 101.618 17.966 1.00 53.27 ATOM 85 CD2 TRP H 21 22.134 99.563 17.545 1.00 51.96 ATOM 86 NE1 TRP H 21 22.156 101.223 19.046 1.00 53.34 ATOM 87 CE2 TRP H 21 21.668 99.966 18.816 1.00 52.48 ATOM 88 CE3 TRP H 21 21.761 98.299 17.065 1.00 51.71 ATOM 89 CZ2 TRP H 21 20.859 99.153 19.619 1.00 52.15 ATOM 90 CZ3 TRP H 21 20.953 97.492 17.855 1.00 52.37 ATOM 91 CH2 TRP H 21 20.513 97.922 19.122 1.00 53.03 ATOM 92 N ILE H 22 26.071 100.044 13.599 1.00 50.63 ATOM 93 CA ILE H 22 26.494 99.666 12.251 1.00 50.96 ATOM 94 C ILE H 22 27.287 98.348 12.319 1.00 50.69 ATOM 95 O ILE H 22 26.961 97.379 11.611 1.00 50.58 ATOM 96 CB ILE H 22 27.279 100.824 11.537 1.00 51.71 ATOM 97 CG1 ILE H 22 26.329 101.973 11.154 1.00 51.64 ATOM 98 CG2 ILE H 22 28.005 100.331 10.276 1.00 50.68 ATOM 99 CD1 ILE H 22 27.066 103.281 10.972 1.00 53.17 ATOM 100 N PHE H 23 28.280 98.303 13.208 1.00 49.78 ATOM 101 CA PHE H 23 29.025 97.087 13.467 1.00 49.03 ATOM 102 C PHE H 23 28.076 95.916 13.718 1.00 48.76 ATOM 103 O PHE H 23 28.231 94.855 13.113 1.00 49.06 ATOM 104 CB PHE H 23 30.005 97.265 14.637 1.00 49.14 ATOM 105 CG PHE H 23 30.478 95.957 15.235 1.00 49.72 ATOM 106 CD1 PHE H 23 31.531 95.246 14.650 1.00 49.66 ATOM 107 CD2 PHE H 23 29.857 95.424 16.372 1.00 49.15 ATOM 108 CE1 PHE H 23 31.960 94.021 15.188 1.00 49.93 ATOM 109 CE2 PHE H 23 30.274 94.197 16.918 1.00 49.37 ATOM 110 CZ PHE H 23 31.327 93.492 16.325 1.00 49.62 ATOM 111 N LEU H 24 27.085 96.105 14.585 1.00 48.06 ATOM 112 CA LEU H 24 26.182 95.008 14.934 1.00 47.54 ATOM 113 C LEU H 24 25.368 94.476 13.743 1.00 47.12 ATOM 114 O LEU H 24 25.117 93.279 13.641 1.00 47.41 ATOM 115 CB LEU H 24 25.275 95.393 16.111 1.00 47.43 ATOM 116 CG LEU H 24 24.354 94.293 16.670 1.00 48.63 ATOM 117 CD1 LEU H 24 25.143 93.037 17.178 1.00 48.20 ATOM 118 CD2 LEU H 24 23.391 94.817 17.758 1.00 49.03 ATOM 119 N ALA H 25 24.938 95.360 12.855 1.00 46.92 ATOM 120 CA ALA H 25 24.224 94.937 11.650 1.00 46.78 ATOM 121 C ALA H 25 25.138 94.099 10.731 1.00 46.50 ATOM 122 O ALA H 25 24.723 93.044 10.234 1.00 46.72 ATOM 123 CB ALA H 25 23.628 96.158 10.898 1.00 46.74 ATOM 124 N GLY H 26 26.381 94.549 10.540 1.00 45.87 ATOM 125 CA GLY H 26 27.390 93.791 9.810 1.00 45.15 ATOM 126 C GLY H 26 27.692 92.447 10.466 1.00 45.46 ATOM 127 O GLY H 26 27.834 91.426 9.788 1.00 46.10 ATOM 128 N LEU H 27 27.760 92.431 11.793 1.00 44.81 ATOM 129 CA LEU H 27 28.009 91.196 12.511 1.00 44.45 ATOM 130 C LEU H 27 26.886 90.169 12.310 1.00 44.22 ATOM 131 O LEU H 27 27.158 88.975 12.089 1.00 43.63 ATOM 132 CB LEU H 27 28.234 91.462 14.005 1.00 44.32 ATOM 133 CG LEU H 27 28.459 90.218 14.883 1.00 44.70 ATOM 134 CD1 LEU H 27 29.803 89.527 14.536 1.00 42.26 ATOM 135 CD2 LEU H 27 28.368 90.554 16.377 1.00 43.32 ATOM 136 N ILE H 28 25.639 90.626 12.409 1.00 44.04 ATOM 137 CA ILE H 28 24.492 89.741 12.243 1.00 44.84 ATOM 138 C ILE H 28 24.478 89.186 10.820 1.00 44.83 ATOM 139 O ILE H 28 24.199 88.016 10.597 1.00 44.38 ATOM 140 CB ILE H 28 23.170 90.483 12.598 1.00 45.55 ATOM 141 CG1 ILE H 28 23.056 90.646 14.129 1.00 46.70 ATOM 142 CG2 ILE H 28 21.932 89.769 11.997 1.00 43.54 ATOM 143 CD1 ILE H 28 22.103 91.779 14.577 1.00 48.94 ATOM 144 N TYR H 29 24.808 90.049 9.871 1.00 45.53 ATOM 145 CA TYR H 29 24.951 89.665 8.489 1.00 45.95 ATOM 146 C TYR H 29 25.986 88.547 8.347 1.00 45.43 ATOM 147 O TYR H 29 25.683 87.481 7.787 1.00 45.87 ATOM 148 CB TYR H 29 25.309 90.890 7.643 1.00 46.89 ATOM 149 CG TYR H 29 25.387 90.598 6.169 1.00 49.28 ATOM 150 CD1 TYR H 29 24.232 90.489 5.391 1.00 51.74 ATOM 151 CD2 TYR H 29 26.631 90.405 5.554 1.00 53.07 ATOM 152 CE1 TYR H 29 24.321 90.209 4.023 1.00 55.46 ATOM 153 CE2 TYR H 29 26.736 90.118 4.199 1.00 55.22 ATOM 154 CZ TYR H 29 25.584 90.021 3.442 1.00 56.37 ATOM 155 OH TYR H 29 25.715 89.744 2.109 1.00 58.65 ATOM 156 N TYR H 30 27.191 88.779 8.864 1.00 44.44 ATOM 157 CA TYR H 30 28.234 87.756 8.899 1.00 43.66 ATOM 158 C TYR H 30 27.758 86.450 9.582 1.00 43.30 ATOM 159 O TYR H 30 27.959 85.348 9.060 1.00 43.88 ATOM 160 CB TYR H 30 29.490 88.326 9.570 1.00 44.07 ATOM 161 CG TYR H 30 30.470 87.284 10.077 1.00 45.23 ATOM 162 CD1 TYR H 30 31.414 86.690 9.211 1.00 46.10 ATOM 163 CD2 TYR H 30 30.473 86.900 11.417 1.00 43.25 ATOM 164 CE1 TYR H 30 32.325 85.721 9.679 1.00 44.76 ATOM 165 CE2 TYR H 30 31.360 85.933 11.886 1.00 44.90 ATOM 166 CZ TYR H 30 32.285 85.353 11.016 1.00 46.28 ATOM 167 OH TYR H 30 33.152 84.401 11.494 1.00 48.82 ATOM 168 N LEU H 31 27.105 86.569 10.737 1.00 42.43 ATOM 169 CA LEU H 31 26.631 85.391 11.466 1.00 40.93 ATOM 170 C LEU H 31 25.581 84.624 10.685 1.00 40.04 ATOM 171 O LEU H 31 25.651 83.399 10.595 1.00 39.50 ATOM 172 CB LEU H 31 26.125 85.757 12.871 1.00 40.29 ATOM 173 CG LEU H 31 27.227 86.120 13.880 1.00 39.85 ATOM 174 CD1 LEU H 31 26.615 86.701 15.157 1.00 38.24 ATOM 175 CD2 LEU H 31 28.094 84.929 14.193 1.00 36.02 ATOM 176 N GLN H 32 24.620 85.335 10.112 1.00 39.55 ATOM 177 CA GLN H 32 23.560 84.659 9.370 1.00 40.04 ATOM 178 C GLN H 32 24.123 83.922 8.150 1.00 40.04 ATOM 179 O GLN H 32 23.754 82.782 7.919 1.00 40.08 ATOM 180 CB GLN H 32 22.404 85.612 8.982 1.00 40.01 ATOM 181 CG GLN H 32 21.120 84.901 8.437 1.00 39.88 ATOM 182 CD GLN H 32 20.734 83.578 9.166 1.00 43.40 ATOM 183 OE1 GLN H 32 20.830 83.454 10.415 1.00 43.14 ATOM 184 NE2 GLN H 32 20.273 82.606 8.386 1.00 43.10 ATOM 185 N THR H 33 25.031 84.556 7.403 1.00 39.97 ATOM 186 CA THR H 33 25.624 83.907 6.236 1.00 40.60 ATOM 187 C THR H 33 26.523 82.735 6.616 1.00 40.78 ATOM 188 O THR H 33 26.477 81.695 5.967 1.00 40.88 ATOM 189 CB THR H 33 26.376 84.904 5.301 1.00 40.99 ATOM 190 OG1 THR H 33 27.371 85.610 6.048 1.00 41.86 ATOM 191 CG2 THR H 33 25.446 86.009 4.806 1.00 39.82 ATOM 192 N GLU H 34 27.327 82.882 7.669 1.00 40.55 ATOM 193 CA GLU H 34 28.068 81.735 8.199 1.00 39.96 ATOM 194 C GLU H 34 27.140 80.550 8.464 1.00 39.65 ATOM 195 O GLU H 34 27.501 79.401 8.211 1.00 39.03 ATOM 196 CB GLU H 34 28.811 82.097 9.492 1.00 40.21 ATOM 197 CG GLU H 34 30.110 82.868 9.303 1.00 41.08 ATOM 198 CD GLU H 34 31.031 82.249 8.270 1.00 43.16 ATOM 199 OE1 GLU H 34 31.509 82.991 7.383 1.00 45.24 ATOM 200 OE2 GLU H 34 31.291 81.032 8.349 1.00 43.35 ATOM 201 N ASN H 35 25.940 80.822 8.967 1.00 39.67 ATOM 202 CA ASN H 35 25.024 79.731 9.308 1.00 40.41 ATOM 203 C ASN H 35 24.251 79.151 8.111 1.00 40.92 ATOM 204 O ASN H 35 23.367 78.284 8.259 1.00 40.97 ATOM 205 CB ASN H 35 24.121 80.111 10.501 1.00 40.11 ATOM 206 CG ASN H 35 24.842 79.937 11.848 1.00 40.48 ATOM 207 OD1 ASN H 35 24.789 78.864 12.472 1.00 39.60 ATOM 208 ND2 ASN H 35 25.546 80.974 12.274 1.00 38.28 TER