HEADER PHOTOSYNTHESIS 27-JAN-13 4IXQ TITLE RT fs X-ray diffraction of Photosystem II, dark state COMPND MOL_ID: 18; COMPND 2 MOLECULE: Photosystem II reaction center X protein; COMPND 3 CHAIN: X, x; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 5.70 ANGSTORMS DBREF 4IXQ X 10 50 UNP Q9F1R6 PSBX_THEEB 1 41 SEQRES 1 X 37 THR ILE THR PRO SER LEU LYS GLY PHE PHE ILE GLY LEU SEQRES 2 X 37 LEU SER GLY ALA VAL VAL LEU GLY LEU THR PHE ALA VAL SEQRES 3 X 37 LEU ILE ALA ILE SER GLN ILE ASP LYS VAL GLN ATOM 1 N THR X 2 97.717 54.982 48.419 1.00120.95 ATOM 2 CA THR X 2 98.035 56.013 47.442 1.00125.15 ATOM 3 C THR X 2 98.704 57.194 48.145 1.00117.25 ATOM 4 O THR X 2 98.441 57.451 49.320 1.00114.01 ATOM 5 CB THR X 2 96.769 56.466 46.662 1.00164.42 ATOM 6 OG1 THR X 2 97.091 56.636 45.276 1.00165.75 ATOM 7 CG2 THR X 2 96.204 57.767 47.217 1.00172.74 ATOM 8 N ILE X 3 99.591 57.875 47.421 1.00116.82 ATOM 9 CA ILE X 3 100.391 59.006 47.921 1.00109.49 ATOM 10 C ILE X 3 100.885 58.781 49.376 1.00101.31 ATOM 11 O ILE X 3 100.364 59.323 50.349 1.00 98.31 ATOM 12 CB ILE X 3 99.605 60.379 47.720 1.00108.14 ATOM 13 CG1 ILE X 3 100.568 61.588 47.661 1.00 98.27 ATOM 14 CG2 ILE X 3 98.392 60.561 48.657 1.00109.89 ATOM 15 CD1 ILE X 3 101.063 62.093 48.994 1.00 92.30 ATOM 16 N THR X 4 101.904 57.935 49.496 1.00 98.09 ATOM 17 CA THR X 4 102.506 57.614 50.787 1.00 91.66 ATOM 18 C THR X 4 103.513 58.704 51.180 1.00 86.24 ATOM 19 O THR X 4 103.931 59.491 50.331 1.00 88.44 ATOM 20 CB THR X 4 103.195 56.225 50.753 1.00 92.53 ATOM 21 OG1 THR X 4 104.280 56.238 49.817 1.00 93.79 ATOM 22 CG2 THR X 4 102.195 55.146 50.358 1.00 95.27 ATOM 23 N PRO X 5 103.862 58.789 52.475 1.00 80.89 ATOM 24 CA PRO X 5 104.880 59.733 52.949 1.00 79.85 ATOM 25 C PRO X 5 106.206 59.688 52.182 1.00 79.76 ATOM 26 O PRO X 5 106.776 60.742 51.903 1.00 77.54 ATOM 27 CB PRO X 5 105.088 59.298 54.396 1.00 82.96 ATOM 28 CG PRO X 5 103.750 58.830 54.809 1.00 83.74 ATOM 29 CD PRO X 5 103.187 58.122 53.604 1.00 80.48 ATOM 30 N SER X 6 106.691 58.492 51.858 1.00 79.14 ATOM 31 CA SER X 6 107.943 58.361 51.115 1.00 75.69 ATOM 32 C SER X 6 107.768 58.801 49.665 1.00 75.31 ATOM 33 O SER X 6 108.712 59.268 49.029 1.00 72.58 ATOM 34 CB SER X 6 108.458 56.922 51.165 1.00 78.29 ATOM 35 OG SER X 6 107.494 56.017 50.660 1.00 81.25 ATOM 36 N LEU X 7 106.549 58.664 49.154 1.00 81.55 ATOM 37 CA LEU X 7 106.225 59.101 47.800 1.00 80.96 ATOM 38 C LEU X 7 106.148 60.620 47.794 1.00 83.58 ATOM 39 O LEU X 7 106.532 61.265 46.818 1.00 84.96 ATOM 40 CB LEU X 7 104.906 58.476 47.319 1.00 84.54 ATOM 41 CG LEU X 7 104.334 58.746 45.916 1.00 80.35 ATOM 42 CD1 LEU X 7 103.516 60.039 45.863 1.00 86.04 ATOM 43 CD2 LEU X 7 105.420 58.748 44.849 1.00 76.49 ATOM 44 N LYS X 8 105.639 61.186 48.886 1.00 84.94 ATOM 45 CA LYS X 8 105.591 62.634 49.037 1.00 87.07 ATOM 46 C LYS X 8 107.016 63.177 49.095 1.00 83.79 ATOM 47 O LYS X 8 107.324 64.200 48.484 1.00 87.36 ATOM 48 CB LYS X 8 104.799 63.039 50.288 1.00 90.55 ATOM 49 CG LYS X 8 105.033 64.485 50.732 1.00 96.97 ATOM 50 CD LYS X 8 104.150 64.887 51.907 1.00 99.41 ATOM 51 CE LYS X 8 104.530 66.266 52.433 1.00102.30 ATOM 52 NZ LYS X 8 105.848 66.244 53.130 1.00 99.79 ATOM 53 N GLY X 9 107.890 62.478 49.813 1.00 77.50 ATOM 54 CA GLY X 9 109.282 62.877 49.901 1.00 76.15 ATOM 55 C GLY X 9 109.973 62.858 48.549 1.00 79.14 ATOM 56 O GLY X 9 110.802 63.720 48.255 1.00 79.15 ATOM 57 N PHE X 10 109.612 61.884 47.716 1.00 81.30 ATOM 58 CA PHE X 10 110.181 61.757 46.375 1.00 79.56 ATOM 59 C PHE X 10 109.896 62.973 45.502 1.00 77.68 ATOM 60 O PHE X 10 110.783 63.462 44.802 1.00 75.00 ATOM 61 CB PHE X 10 109.646 60.502 45.686 1.00 81.39 ATOM 62 CG PHE X 10 110.148 60.321 44.283 1.00 80.57 ATOM 63 CD1 PHE X 10 111.435 59.869 44.050 1.00 82.27 ATOM 64 CD2 PHE X 10 109.336 60.604 43.196 1.00 79.41 ATOM 65 CE1 PHE X 10 111.903 59.698 42.762 1.00 83.15 ATOM 66 CE2 PHE X 10 109.799 60.437 41.905 1.00 81.77 ATOM 67 CZ PHE X 10 111.084 59.983 41.688 1.00 82.13 ATOM 68 N PHE X 11 108.654 63.448 45.545 1.00 78.66 ATOM 69 CA PHE X 11 108.263 64.634 44.793 1.00 77.91 ATOM 70 C PHE X 11 109.045 65.845 45.302 1.00 75.42 ATOM 71 O PHE X 11 109.524 66.654 44.511 1.00 79.69 ATOM 72 CB PHE X 11 106.751 64.897 44.898 1.00 78.15 ATOM 73 CG PHE X 11 105.886 63.924 44.120 1.00 77.65 ATOM 74 CD1 PHE X 11 106.393 63.209 43.046 1.00 80.33 ATOM 75 CD2 PHE X 11 104.550 63.755 44.455 1.00 74.55 ATOM 76 CE1 PHE X 11 105.587 62.328 42.335 1.00 80.58 ATOM 77 CE2 PHE X 11 103.742 62.880 43.748 1.00 76.06 ATOM 78 CZ PHE X 11 104.262 62.166 42.688 1.00 79.32 ATOM 79 N ILE X 12 109.177 65.958 46.622 1.00 73.03 ATOM 80 CA ILE X 12 109.930 67.052 47.228 1.00 71.93 ATOM 81 C ILE X 12 111.356 67.083 46.694 1.00 75.55 ATOM 82 O ILE X 12 111.889 68.149 46.389 1.00 74.85 ATOM 83 CB ILE X 12 109.976 66.938 48.767 1.00 73.73 ATOM 84 CG1 ILE X 12 108.568 66.995 49.357 1.00 78.48 ATOM 85 CG2 ILE X 12 110.830 68.044 49.360 1.00 80.30 ATOM 86 CD1 ILE X 12 108.544 66.982 50.874 1.00 84.63 ATOM 87 N GLY X 13 111.954 65.904 46.552 1.00 76.68 ATOM 88 CA GLY X 13 113.306 65.787 46.038 1.00 79.90 ATOM 89 C GLY X 13 113.353 65.930 44.531 1.00 81.34 ATOM 90 O GLY X 13 114.346 66.392 43.968 1.00 82.51 ATOM 91 N LEU X 14 112.272 65.528 43.873 1.00 80.54 ATOM 92 CA LEU X 14 112.176 65.660 42.426 1.00 84.83 ATOM 93 C LEU X 14 111.906 67.116 42.044 1.00 89.14 ATOM 94 O LEU X 14 112.284 67.561 40.959 1.00 92.08 ATOM 95 CB LEU X 14 111.083 64.746 41.863 1.00 83.51 ATOM 96 CG LEU X 14 110.950 64.668 40.338 1.00 87.01 ATOM 97 CD1 LEU X 14 112.249 64.223 39.684 1.00 85.98 ATOM 98 CD2 LEU X 14 109.805 63.747 39.946 1.00 91.43 ATOM 99 N LEU X 15 111.245 67.848 42.941 1.00 90.59 ATOM 100 CA LEU X 15 110.901 69.253 42.707 1.00 90.78 ATOM 101 C LEU X 15 112.054 70.184 43.079 1.00 88.77 ATOM 102 O LEU X 15 112.354 71.136 42.358 1.00 90.82 ATOM 103 CB LEU X 15 109.649 69.643 43.497 1.00 87.87 ATOM 104 CG LEU X 15 109.216 71.111 43.425 1.00 84.33 ATOM 105 CD1 LEU X 15 108.884 71.518 41.988 1.00 75.52 ATOM 106 CD2 LEU X 15 108.045 71.391 44.359 1.00 85.37 ATOM 107 N SER X 16 112.678 69.916 44.221 1.00 82.75 ATOM 108 CA SER X 16 113.808 70.709 44.687 1.00 81.86 ATOM 109 C SER X 16 115.008 70.534 43.770 1.00 81.90 ATOM 110 O SER X 16 115.911 71.366 43.746 1.00 81.94 ATOM 111 CB SER X 16 114.189 70.306 46.104 1.00 89.47 ATOM 112 OG SER X 16 114.774 69.016 46.094 1.00 93.33 ATOM 113 N GLY X 17 115.010 69.436 43.023 1.00 83.90 ATOM 114 CA GLY X 17 116.072 69.152 42.079 1.00 86.85 ATOM 115 C GLY X 17 115.919 69.938 40.794 1.00 91.28 ATOM 116 O GLY X 17 116.882 70.523 40.296 1.00 91.48 ATOM 117 N ALA X 18 114.708 69.926 40.244 1.00 93.28 ATOM 118 CA ALA X 18 114.381 70.706 39.055 1.00 88.57 ATOM 119 C ALA X 18 114.656 72.198 39.256 1.00 88.72 ATOM 120 O ALA X 18 115.155 72.867 38.350 1.00 87.89 ATOM 121 CB ALA X 18 112.927 70.485 38.668 1.00 86.51 ATOM 122 N VAL X 19 114.328 72.703 40.446 1.00 90.33 ATOM 123 CA VAL X 19 114.599 74.092 40.829 1.00 87.28 ATOM 124 C VAL X 19 116.076 74.440 40.709 1.00 85.09 ATOM 125 O VAL X 19 116.440 75.471 40.140 1.00 82.24 ATOM 126 CB VAL X 19 114.149 74.378 42.280 1.00 84.43 ATOM 127 CG1 VAL X 19 114.651 75.743 42.741 1.00 78.41 ATOM 128 CG2 VAL X 19 112.638 74.287 42.401 1.00 86.05 ATOM 129 N VAL X 20 116.916 73.578 41.272 1.00 86.86 ATOM 130 CA VAL X 20 118.361 73.740 41.194 1.00 84.83 ATOM 131 C VAL X 20 118.821 73.767 39.747 1.00 84.29 ATOM 132 O VAL X 20 119.622 74.613 39.356 1.00 84.16 ATOM 133 CB VAL X 20 119.095 72.608 41.929 1.00 84.50 ATOM 134 CG1 VAL X 20 120.594 72.722 41.714 1.00 81.15 ATOM 135 CG2 VAL X 20 118.763 72.637 43.405 1.00 87.00 ATOM 136 N LEU X 21 118.292 72.843 38.953 1.00 84.57 ATOM 137 CA LEU X 21 118.577 72.812 37.528 1.00 83.46 ATOM 138 C LEU X 21 118.070 74.082 36.873 1.00 91.50 ATOM 139 O LEU X 21 118.724 74.645 35.996 1.00 95.76 ATOM 140 CB LEU X 21 117.927 71.599 36.871 1.00 80.58 ATOM 141 CG LEU X 21 118.487 70.251 37.301 1.00 81.30 ATOM 142 CD1 LEU X 21 117.653 69.141 36.695 1.00 90.78 ATOM 143 CD2 LEU X 21 119.939 70.147 36.880 1.00 84.90 ATOM 144 N GLY X 22 116.892 74.517 37.309 1.00 92.10 ATOM 145 CA GLY X 22 116.269 75.729 36.810 1.00 93.19 ATOM 146 C GLY X 22 117.102 76.976 37.023 1.00 93.70 ATOM 147 O GLY X 22 117.590 77.573 36.064 1.00 96.22 ATOM 148 N LEU X 23 117.244 77.371 38.285 1.00 90.35 ATOM 149 CA LEU X 23 118.026 78.544 38.673 1.00 91.41 ATOM 150 C LEU X 23 119.432 78.550 38.068 1.00 91.81 ATOM 151 O LEU X 23 119.946 79.601 37.690 1.00 89.16 ATOM 152 CB LEU X 23 118.112 78.632 40.200 1.00 90.27 ATOM 153 CG LEU X 23 116.784 78.580 40.965 1.00 85.83 ATOM 154 CD1 LEU X 23 116.977 78.999 42.414 1.00 82.13 ATOM 155 CD2 LEU X 23 115.732 79.456 40.296 1.00 85.12 ATOM 156 N THR X 24 120.051 77.376 37.986 1.00 91.79 ATOM 157 CA THR X 24 121.383 77.254 37.406 1.00 91.76 ATOM 158 C THR X 24 121.384 77.662 35.939 1.00 93.22 ATOM 159 O THR X 24 122.127 78.556 35.537 1.00 89.43 ATOM 160 CB THR X 24 121.920 75.818 37.518 1.00 95.35 ATOM 161 OG1 THR X 24 122.107 75.480 38.897 1.00 95.36 ATOM 162 CG2 THR X 24 123.240 75.677 36.772 1.00 97.72 ATOM 163 N PHE X 25 120.537 77.010 35.147 1.00 97.13 ATOM 164 CA PHE X 25 120.433 77.308 33.723 1.00 96.66 ATOM 165 C PHE X 25 119.828 78.682 33.488 1.00 94.62 ATOM 166 O PHE X 25 120.150 79.345 32.507 1.00 93.83 ATOM 167 CB PHE X 25 119.594 76.248 33.004 1.00 96.67 ATOM 168 CG PHE X 25 120.399 75.112 32.446 1.00101.26 ATOM 169 CD1 PHE X 25 121.134 74.287 33.280 1.00101.93 ATOM 170 CD2 PHE X 25 120.425 74.874 31.083 1.00102.61 ATOM 171 CE1 PHE X 25 121.876 73.240 32.765 1.00100.27 ATOM 172 CE2 PHE X 25 121.165 73.831 30.562 1.00105.11 ATOM 173 CZ PHE X 25 121.892 73.013 31.404 1.00100.40 ATOM 174 N ALA X 26 118.953 79.106 34.395 1.00 95.88 ATOM 175 CA ALA X 26 118.353 80.434 34.315 1.00 97.75 ATOM 176 C ALA X 26 119.440 81.498 34.330 1.00 95.46 ATOM 177 O ALA X 26 119.567 82.287 33.391 1.00 92.68 ATOM 178 CB ALA X 26 117.374 80.654 35.461 1.00 97.17 ATOM 179 N VAL X 27 120.209 81.514 35.413 1.00 95.89 ATOM 180 CA VAL X 27 121.376 82.378 35.535 1.00 96.18 ATOM 181 C VAL X 27 122.320 82.248 34.339 1.00 95.14 ATOM 182 O VAL X 27 122.746 83.252 33.762 1.00 96.63 ATOM 183 CB VAL X 27 122.155 82.072 36.833 1.00 94.83 ATOM 184 CG1 VAL X 27 123.462 82.851 36.866 1.00 99.47 ATOM 185 CG2 VAL X 27 121.307 82.406 38.049 1.00 88.61 ATOM 186 N LEU X 28 122.641 81.011 33.970 1.00 92.45 ATOM 187 CA LEU X 28 123.570 80.757 32.871 1.00 93.84 ATOM 188 C LEU X 28 123.113 81.347 31.539 1.00 94.74 ATOM 189 O LEU X 28 123.859 82.098 30.912 1.00 97.88 ATOM 190 CB LEU X 28 123.812 79.256 32.707 1.00 94.06 ATOM 191 CG LEU X 28 124.715 78.630 33.767 1.00 92.92 ATOM 192 CD1 LEU X 28 124.986 77.175 33.436 1.00 92.81 ATOM 193 CD2 LEU X 28 126.012 79.412 33.889 1.00 94.63 ATOM 194 N ILE X 29 121.901 81.006 31.109 1.00 94.07 ATOM 195 CA ILE X 29 121.358 81.547 29.864 1.00 92.42 ATOM 196 C ILE X 29 121.365 83.077 29.869 1.00 95.97 ATOM 197 O ILE X 29 121.653 83.705 28.849 1.00 99.06 ATOM 198 CB ILE X 29 119.918 81.050 29.603 1.00 90.01 ATOM 199 CG1 ILE X 29 119.880 79.527 29.504 1.00 89.43 ATOM 200 CG2 ILE X 29 119.382 81.623 28.308 1.00 92.16 ATOM 201 CD1 ILE X 29 120.681 78.972 28.362 1.00 86.37 ATOM 202 N ALA X 30 121.083 83.669 31.027 1.00 95.18 ATOM 203 CA ALA X 30 121.033 85.125 31.169 1.00 97.46 ATOM 204 C ALA X 30 122.412 85.776 31.005 1.00103.15 ATOM 205 O ALA X 30 122.594 86.637 30.143 1.00106.81 ATOM 206 CB ALA X 30 120.426 85.503 32.510 1.00 91.65 ATOM 207 N ILE X 31 123.364 85.393 31.855 1.00102.91 ATOM 208 CA ILE X 31 124.721 85.949 31.822 1.00101.27 ATOM 209 C ILE X 31 125.419 85.676 30.475 1.00105.89 ATOM 210 O ILE X 31 126.190 86.510 29.987 1.00107.13 ATOM 211 CB ILE X 31 125.584 85.393 32.995 1.00 96.42 ATOM 212 CG1 ILE X 31 125.163 86.028 34.322 1.00 93.49 ATOM 213 CG2 ILE X 31 127.067 85.640 32.766 1.00 98.91 ATOM 214 CD1 ILE X 31 126.057 85.656 35.490 1.00101.83 ATOM 215 N SER X 32 125.143 84.517 29.877 1.00105.02 ATOM 216 CA SER X 32 125.727 84.153 28.582 1.00103.62 ATOM 217 C SER X 32 125.352 85.154 27.494 1.00108.31 ATOM 218 O SER X 32 126.168 85.487 26.633 1.00108.62 ATOM 219 CB SER X 32 125.287 82.747 28.160 1.00 98.29 ATOM 220 OG SER X 32 123.906 82.705 27.839 1.00 94.09 ATOM 221 N GLN X 33 124.110 85.623 27.541 1.00109.30 ATOM 222 CA GLN X 33 123.609 86.593 26.573 1.00114.04 ATOM 223 C GLN X 33 123.781 88.014 27.101 1.00115.86 ATOM 224 O GLN X 33 122.822 88.784 27.173 1.00119.83 ATOM 225 CB GLN X 33 122.138 86.314 26.259 1.00119.07 ATOM 226 CG GLN X 33 121.798 86.259 24.781 1.00115.01 ATOM 227 CD GLN X 33 120.612 85.356 24.503 1.00118.03 ATOM 228 OE1 GLN X 33 120.086 84.712 25.410 1.00122.62 ATOM 229 NE2 GLN X 33 120.174 85.318 23.252 1.00115.22 ATOM 230 N ILE X 34 125.020 88.358 27.441 1.00112.48 ATOM 231 CA ILE X 34 125.352 89.670 27.982 1.00110.95 ATOM 232 C ILE X 34 126.699 90.100 27.408 1.00118.38 ATOM 233 O ILE X 34 126.983 91.293 27.285 1.00128.61 ATOM 234 CB ILE X 34 125.394 89.657 29.541 1.00102.29 ATOM 235 CG1 ILE X 34 123.980 89.576 30.120 1.00 95.85 ATOM 236 CG2 ILE X 34 126.080 90.897 30.097 1.00 98.40 ATOM 237 CD1 ILE X 34 123.928 89.710 31.633 1.00 87.58 ATOM 238 N ASP X 35 127.490 89.121 26.979 1.00115.27 ATOM 239 CA ASP X 35 128.807 89.398 26.416 1.00117.96 ATOM 240 C ASP X 35 129.402 88.180 25.715 1.00117.02 ATOM 241 O ASP X 35 129.517 87.106 26.307 1.00113.61 ATOM 242 CB ASP X 35 129.757 89.891 27.514 1.00116.98 ATOM 243 CG ASP X 35 129.806 88.957 28.709 1.00110.39 ATOM 244 OD1 ASP X 35 128.738 88.459 29.122 1.00106.11 ATOM 245 OD2 ASP X 35 130.911 88.730 29.242 1.00111.79 ATOM 246 N LYS X 36 129.798 88.376 24.456 1.00117.65 ATOM 247 CA LYS X 36 130.318 87.304 23.603 1.00115.88 ATOM 248 C LYS X 36 130.722 87.819 22.218 1.00117.40 ATOM 249 O LYS X 36 130.858 87.035 21.277 1.00116.46 ATOM 250 CB LYS X 36 129.284 86.182 23.440 1.00112.01 ATOM 251 CG LYS X 36 128.065 86.553 22.596 1.00113.26 ATOM 252 CD LYS X 36 126.973 87.241 23.411 1.00112.99 ATOM 253 CE LYS X 36 125.764 87.568 22.539 1.00106.67 ATOM 254 NZ LYS X 36 124.669 88.235 23.299 1.00102.31 ATOM 255 N VAL X 37 130.936 89.128 22.112 1.00119.69 ATOM 256 CA VAL X 37 131.175 89.794 20.829 1.00123.25 ATOM 257 C VAL X 37 132.285 89.169 19.973 1.00125.28 ATOM 258 O VAL X 37 133.307 88.715 20.489 1.00123.58 ATOM 259 CB VAL X 37 131.510 91.287 21.052 1.00119.93 ATOM 260 CG1 VAL X 37 130.255 92.073 21.419 1.00111.56 ATOM 261 CG2 VAL X 37 132.577 91.437 22.124 1.00117.34 ATOM 262 N GLN X 38 132.052 89.127 18.662 1.00126.92 ATOM 263 CA GLN X 38 133.045 88.652 17.700 1.00127.45 ATOM 264 C GLN X 38 132.818 89.306 16.336 1.00125.90 ATOM 265 O GLN X 38 133.757 89.522 15.568 1.00126.20 ATOM 266 CB GLN X 38 132.995 87.129 17.567 1.00129.47 ATOM 267 CG GLN X 38 131.593 86.548 17.602 1.00132.40 ATOM 268 CD GLN X 38 131.586 85.031 17.548 1.00136.53 ATOM 269 OE1 GLN X 38 132.398 84.415 16.855 1.00136.13 ATOM 270 NE2 GLN X 38 130.659 84.420 18.277 1.00136.87 TER