HEADER ELECTRON TRANSPORT 16-MAR-09 3A0B TITLE Crystal structure of Br-substituted Photosystem II complex COMPND MOL_ID: 17; COMPND 2 MOLECULE: Photosystem II reaction center protein X; COMPND 3 CHAIN: X, x; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 3.70 ANGSTORMS DBREF 3A0B x 5011 5044 PDB 3A0H 3A0H 1 34 SEQRES 1 x 34 THR ILE THR PRO SER LEU LYS GLY PHE PHE ILE GLY LEU SEQRES 2 x 34 LEU SER GLY ALA VAL VAL LEU GLY LEU THR PHE ALA VAL SEQRES 3 x 34 LEU ILE ALA ILE SER GLN ILE ASP ATOM 1 N THR x 1 62.369 -25.301 25.985 1.00174.59 ATOM 2 CA THR x 1 62.664 -25.208 24.523 1.00174.48 ATOM 3 C THR x 1 62.357 -26.580 23.900 1.00173.80 ATOM 4 O THR x 1 62.300 -27.564 24.628 1.00173.73 ATOM 5 CB THR x 1 64.146 -24.810 24.296 1.00175.18 ATOM 6 OG1 THR x 1 64.590 -23.972 25.375 1.00175.34 ATOM 7 CG2 THR x 1 64.285 -24.022 22.999 1.00175.79 ATOM 8 N ILE x 2 62.157 -26.626 22.576 1.00172.79 ATOM 9 CA ILE x 2 61.803 -27.837 21.786 1.00171.96 ATOM 10 C ILE x 2 60.431 -28.434 22.119 1.00171.89 ATOM 11 O ILE x 2 60.301 -29.613 22.469 1.00171.51 ATOM 12 CB ILE x 2 62.900 -28.988 21.827 1.00172.24 ATOM 13 CG1 ILE x 2 62.415 -30.208 21.024 1.00171.90 ATOM 14 CG2 ILE x 2 63.190 -29.452 23.245 1.00172.35 ATOM 15 CD1 ILE x 2 62.045 -29.915 19.584 1.00171.35 ATOM 16 N THR x 3 59.406 -27.594 21.986 1.00170.91 ATOM 17 CA THR x 3 58.021 -27.980 22.247 1.00168.90 ATOM 18 C THR x 3 57.319 -28.457 20.977 1.00168.52 ATOM 19 O THR x 3 57.604 -27.977 19.878 1.00168.40 ATOM 20 CB THR x 3 57.212 -26.795 22.848 1.00169.00 ATOM 21 OG1 THR x 3 57.047 -27.001 24.257 1.00168.41 ATOM 22 CG2 THR x 3 55.831 -26.657 22.177 1.00168.65 ATOM 23 N PRO x 4 56.361 -29.389 21.126 1.00167.60 ATOM 24 CA PRO x 4 55.609 -29.936 19.994 1.00166.09 ATOM 25 C PRO x 4 54.926 -28.886 19.119 1.00165.79 ATOM 26 O PRO x 4 54.825 -29.058 17.904 1.00165.84 ATOM 27 CB PRO x 4 54.613 -30.888 20.663 1.00166.42 ATOM 28 CG PRO x 4 54.447 -30.316 22.031 1.00166.76 ATOM 29 CD PRO x 4 55.862 -29.950 22.393 1.00167.01 ATOM 30 N SER x 5 54.463 -27.798 19.727 1.00164.64 ATOM 31 CA SER x 5 53.810 -26.755 18.954 1.00163.27 ATOM 32 C SER x 5 54.830 -25.711 18.519 1.00163.38 ATOM 33 O SER x 5 54.560 -24.927 17.608 1.00163.72 ATOM 34 CB SER x 5 52.709 -26.113 19.779 1.00162.27 ATOM 35 OG SER x 5 53.192 -25.791 21.062 1.00162.17 ATOM 36 N LEU x 6 56.004 -25.708 19.158 1.00163.15 ATOM 37 CA LEU x 6 57.061 -24.760 18.795 1.00162.47 ATOM 38 C LEU x 6 57.564 -25.173 17.417 1.00162.23 ATOM 39 O LEU x 6 57.709 -24.340 16.517 1.00162.69 ATOM 40 CB LEU x 6 58.211 -24.789 19.807 1.00161.65 ATOM 41 CG LEU x 6 59.262 -23.684 19.632 1.00161.30 ATOM 42 CD1 LEU x 6 60.299 -24.120 18.643 1.00161.12 ATOM 43 CD2 LEU x 6 58.609 -22.380 19.177 1.00160.60 ATOM 44 N LYS x 7 57.845 -26.468 17.284 1.00161.39 ATOM 45 CA LYS x 7 58.282 -27.082 16.038 1.00160.42 ATOM 46 C LYS x 7 57.103 -26.974 15.067 1.00159.33 ATOM 47 O LYS x 7 57.282 -26.708 13.878 1.00158.25 ATOM 48 CB LYS x 7 58.657 -28.552 16.302 1.00161.45 ATOM 49 CG LYS x 7 58.558 -29.502 15.098 1.00162.96 ATOM 50 CD LYS x 7 58.834 -30.964 15.501 1.00163.72 ATOM 51 CE LYS x 7 58.458 -31.965 14.403 1.00164.29 ATOM 52 NZ LYS x 7 58.717 -33.361 14.858 1.00164.72 ATOM 53 N GLY x 8 55.899 -27.189 15.595 1.00158.87 ATOM 54 CA GLY x 8 54.698 -27.088 14.790 1.00158.58 ATOM 55 C GLY x 8 54.571 -25.680 14.249 1.00158.70 ATOM 56 O GLY x 8 53.967 -25.467 13.201 1.00158.76 ATOM 57 N PHE x 9 55.136 -24.717 14.980 1.00158.45 ATOM 58 CA PHE x 9 55.116 -23.307 14.582 1.00157.55 ATOM 59 C PHE x 9 56.150 -23.011 13.494 1.00157.44 ATOM 60 O PHE x 9 55.885 -22.249 12.563 1.00157.74 ATOM 61 CB PHE x 9 55.382 -22.399 15.787 1.00156.39 ATOM 62 CG PHE x 9 55.501 -20.937 15.431 1.00156.46 ATOM 63 CD1 PHE x 9 54.600 -20.342 14.542 1.00156.42 ATOM 64 CD2 PHE x 9 56.502 -20.148 15.991 1.00156.88 ATOM 65 CE1 PHE x 9 54.690 -18.984 14.214 1.00156.13 ATOM 66 CE2 PHE x 9 56.602 -18.786 15.671 1.00156.77 ATOM 67 CZ PHE x 9 55.692 -18.204 14.780 1.00156.46 ATOM 68 N PHE x 10 57.337 -23.595 13.618 1.00156.98 ATOM 69 CA PHE x 10 58.369 -23.377 12.616 1.00155.83 ATOM 70 C PHE x 10 57.871 -23.990 11.329 1.00154.91 ATOM 71 O PHE x 10 57.888 -23.349 10.280 1.00155.33 ATOM 72 CB PHE x 10 59.680 -24.060 13.009 1.00156.57 ATOM 73 CG PHE x 10 60.401 -23.397 14.141 1.00157.61 ATOM 74 CD1 PHE x 10 60.018 -22.144 14.592 1.00158.20 ATOM 75 CD2 PHE x 10 61.481 -24.022 14.750 1.00158.25 ATOM 76 CE1 PHE x 10 60.704 -21.520 15.638 1.00159.06 ATOM 77 CE2 PHE x 10 62.174 -23.404 15.796 1.00158.70 ATOM 78 CZ PHE x 10 61.784 -22.153 16.240 1.00158.86 ATOM 79 N ILE x 11 57.419 -25.237 11.423 1.00153.50 ATOM 80 CA ILE x 11 56.920 -25.953 10.263 1.00152.66 ATOM 81 C ILE x 11 55.916 -25.133 9.470 1.00152.03 ATOM 82 O ILE x 11 55.903 -25.184 8.241 1.00151.95 ATOM 83 CB ILE x 11 56.303 -27.311 10.676 1.00152.58 ATOM 84 CG1 ILE x 11 57.432 -28.329 10.886 1.00152.64 ATOM 85 CG2 ILE x 11 55.299 -27.779 9.639 1.00152.91 ATOM 86 CD1 ILE x 11 56.984 -29.757 11.097 1.00153.63 ATOM 87 N GLY x 12 55.084 -24.368 10.163 1.00151.41 ATOM 88 CA GLY x 12 54.120 -23.554 9.452 1.00151.04 ATOM 89 C GLY x 12 54.825 -22.428 8.713 1.00150.91 ATOM 90 O GLY x 12 54.568 -22.164 7.541 1.00150.47 ATOM 91 N LEU x 13 55.739 -21.766 9.405 1.00151.37 ATOM 92 CA LEU x 13 56.479 -20.666 8.813 1.00151.57 ATOM 93 C LEU x 13 57.100 -21.070 7.494 1.00151.34 ATOM 94 O LEU x 13 56.926 -20.399 6.485 1.00151.32 ATOM 95 CB LEU x 13 57.568 -20.211 9.772 1.00152.53 ATOM 96 CG LEU x 13 57.403 -18.816 10.376 1.00153.19 ATOM 97 CD1 LEU x 13 55.966 -18.574 10.777 1.00153.35 ATOM 98 CD2 LEU x 13 58.320 -18.685 11.584 1.00153.23 ATOM 99 N LEU x 14 57.836 -22.170 7.500 1.00151.06 ATOM 100 CA LEU x 14 58.451 -22.627 6.271 1.00150.72 ATOM 101 C LEU x 14 57.325 -22.915 5.296 1.00150.45 ATOM 102 O LEU x 14 57.350 -22.474 4.158 1.00150.29 ATOM 103 CB LEU x 14 59.281 -23.899 6.499 1.00150.92 ATOM 104 CG LEU x 14 58.641 -25.295 6.440 1.00151.27 ATOM 105 CD1 LEU x 14 58.139 -25.599 5.035 1.00151.76 ATOM 106 CD2 LEU x 14 59.679 -26.334 6.838 1.00151.93 ATOM 107 N SER x 15 56.329 -23.658 5.755 1.00150.28 ATOM 108 CA SER x 15 55.209 -24.001 4.902 1.00150.90 ATOM 109 C SER x 15 54.750 -22.753 4.154 1.00151.66 ATOM 110 O SER x 15 54.709 -22.733 2.925 1.00151.37 ATOM 111 CB SER x 15 54.065 -24.573 5.744 1.00150.80 ATOM 112 OG SER x 15 53.107 -25.244 4.943 1.00150.74 ATOM 113 N GLY x 16 54.419 -21.704 4.896 1.00152.55 ATOM 114 CA GLY x 16 53.998 -20.479 4.249 1.00153.30 ATOM 115 C GLY x 16 55.124 -20.048 3.338 1.00154.22 ATOM 116 O GLY x 16 54.924 -19.791 2.160 1.00153.94 ATOM 117 N ALA x 17 56.326 -19.968 3.892 1.00155.48 ATOM 118 CA ALA x 17 57.481 -19.569 3.111 1.00156.61 ATOM 119 C ALA x 17 57.539 -20.388 1.820 1.00157.58 ATOM 120 O ALA x 17 57.763 -19.846 0.735 1.00157.50 ATOM 121 CB ALA x 17 58.753 -19.768 3.931 1.00156.57 ATOM 122 N VAL x 18 57.330 -21.698 1.953 1.00158.56 ATOM 123 CA VAL x 18 57.348 -22.617 0.816 1.00159.56 ATOM 124 C VAL x 18 56.339 -22.128 -0.223 1.00160.37 ATOM 125 O VAL x 18 56.574 -22.239 -1.429 1.00160.39 ATOM 126 CB VAL x 18 57.005 -24.082 1.258 1.00159.10 ATOM 127 CG1 VAL x 18 55.602 -24.466 0.820 1.00159.45 ATOM 128 CG2 VAL x 18 58.019 -25.063 0.682 1.00158.58 ATOM 129 N VAL x 19 55.211 -21.598 0.244 1.00161.08 ATOM 130 CA VAL x 19 54.209 -21.092 -0.679 1.00162.07 ATOM 131 C VAL x 19 54.612 -19.717 -1.212 1.00162.57 ATOM 132 O VAL x 19 54.191 -19.324 -2.295 1.00162.62 ATOM 133 CB VAL x 19 52.787 -21.002 -0.031 1.00162.10 ATOM 134 CG1 VAL x 19 52.743 -19.960 1.062 1.00162.48 ATOM 135 CG2 VAL x 19 51.769 -20.653 -1.098 1.00162.28 ATOM 136 N LEU x 20 55.426 -18.987 -0.454 1.00162.99 ATOM 137 CA LEU x 20 55.881 -17.671 -0.891 1.00163.73 ATOM 138 C LEU x 20 56.936 -17.859 -1.993 1.00164.42 ATOM 139 O LEU x 20 56.828 -17.278 -3.075 1.00164.27 ATOM 140 CB LEU x 20 56.476 -16.891 0.295 1.00163.10 ATOM 141 CG LEU x 20 55.972 -15.486 0.689 1.00162.16 ATOM 142 CD1 LEU x 20 57.025 -14.428 0.383 1.00161.05 ATOM 143 CD2 LEU x 20 54.664 -15.187 -0.021 1.00161.42 ATOM 144 N GLY x 21 57.947 -18.677 -1.712 1.00165.00 ATOM 145 CA GLY x 21 59.001 -18.921 -2.680 1.00165.92 ATOM 146 C GLY x 21 58.525 -19.480 -4.006 1.00166.39 ATOM 147 O GLY x 21 58.893 -18.980 -5.072 1.00166.64 ATOM 148 N LEU x 22 57.701 -20.518 -3.949 1.00166.54 ATOM 149 CA LEU x 22 57.196 -21.145 -5.159 1.00166.53 ATOM 150 C LEU x 22 56.293 -20.248 -5.988 1.00166.18 ATOM 151 O LEU x 22 56.296 -20.327 -7.214 1.00165.75 ATOM 152 CB LEU x 22 56.465 -22.438 -4.808 1.00167.09 ATOM 153 CG LEU x 22 57.228 -23.726 -5.132 1.00167.56 ATOM 154 CD1 LEU x 22 58.736 -23.536 -4.990 1.00167.73 ATOM 155 CD2 LEU x 22 56.737 -24.822 -4.215 1.00167.23 ATOM 156 N THR x 23 55.509 -19.408 -5.324 1.00166.24 ATOM 157 CA THR x 23 54.631 -18.507 -6.045 1.00166.55 ATOM 158 C THR x 23 55.442 -17.341 -6.596 1.00165.94 ATOM 159 O THR x 23 55.313 -16.985 -7.767 1.00166.64 ATOM 160 CB THR x 23 53.517 -17.926 -5.145 1.00167.29 ATOM 161 OG1 THR x 23 52.677 -17.067 -5.933 1.00168.22 ATOM 162 CG2 THR x 23 54.112 -17.103 -3.997 1.00167.36 ATOM 163 N PHE x 24 56.285 -16.760 -5.742 1.00164.29 ATOM 164 CA PHE x 24 57.098 -15.618 -6.126 1.00162.68 ATOM 165 C PHE x 24 58.159 -15.942 -7.183 1.00161.86 ATOM 166 O PHE x 24 58.307 -15.214 -8.172 1.00161.72 ATOM 167 CB PHE x 24 57.713 -14.987 -4.867 1.00162.10 ATOM 168 CG PHE x 24 57.102 -13.651 -4.497 1.00161.95 ATOM 169 CD1 PHE x 24 55.820 -13.304 -4.930 1.00161.79 ATOM 170 CD2 PHE x 24 57.823 -12.723 -3.748 1.00161.92 ATOM 171 CE1 PHE x 24 55.267 -12.045 -4.625 1.00161.45 ATOM 172 CE2 PHE x 24 57.281 -11.465 -3.437 1.00161.42 ATOM 173 CZ PHE x 24 56.005 -11.125 -3.878 1.00161.23 ATOM 174 N ALA x 25 58.870 -17.050 -7.000 1.00160.65 ATOM 175 CA ALA x 25 59.894 -17.443 -7.964 1.00159.57 ATOM 176 C ALA x 25 59.250 -17.808 -9.306 1.00158.86 ATOM 177 O ALA x 25 59.885 -17.756 -10.362 1.00158.59 ATOM 178 CB ALA x 25 60.698 -18.626 -7.431 1.00159.43 ATOM 179 N VAL x 26 57.976 -18.171 -9.241 1.00158.33 ATOM 180 CA VAL x 26 57.205 -18.560 -10.411 1.00157.57 ATOM 181 C VAL x 26 56.553 -17.360 -11.098 1.00157.40 ATOM 182 O VAL x 26 56.213 -17.421 -12.275 1.00156.96 ATOM 183 CB VAL x 26 56.114 -19.574 -10.012 1.00157.36 ATOM 184 CG1 VAL x 26 54.916 -19.470 -10.939 1.00156.51 ATOM 185 CG2 VAL x 26 56.696 -20.973 -10.040 1.00157.49 ATOM 186 N LEU x 27 56.376 -16.277 -10.349 1.00157.40 ATOM 187 CA LEU x 27 55.782 -15.070 -10.898 1.00157.37 ATOM 188 C LEU x 27 56.807 -14.350 -11.775 1.00157.70 ATOM 189 O LEU x 27 56.461 -13.906 -12.873 1.00157.30 ATOM 190 CB LEU x 27 55.335 -14.119 -9.783 1.00156.89 ATOM 191 CG LEU x 27 53.846 -13.966 -9.473 1.00155.98 ATOM 192 CD1 LEU x 27 53.075 -13.848 -10.767 1.00155.47 ATOM 193 CD2 LEU x 27 53.349 -15.141 -8.670 1.00154.99 ATOM 194 N ILE x 28 58.060 -14.269 -11.299 1.00158.17 ATOM 195 CA ILE x 28 59.105 -13.582 -12.051 1.00158.48 ATOM 196 C ILE x 28 59.624 -14.396 -13.236 1.00159.30 ATOM 197 O ILE x 28 60.379 -13.880 -14.074 1.00159.66 ATOM 198 CB ILE x 28 60.317 -13.137 -11.171 1.00157.21 ATOM 199 CG1 ILE x 28 60.176 -13.655 -9.744 1.00155.62 ATOM 200 CG2 ILE x 28 60.436 -11.617 -11.188 1.00157.07 ATOM 201 CD1 ILE x 28 60.648 -15.040 -9.594 1.00154.49 ATOM 202 N ALA x 29 59.213 -15.661 -13.320 1.00159.53 ATOM 203 CA ALA x 29 59.604 -16.491 -14.444 1.00159.24 ATOM 204 C ALA x 29 58.736 -16.050 -15.635 1.00159.09 ATOM 205 O ALA x 29 59.219 -16.017 -16.774 1.00160.11 ATOM 206 CB ALA x 29 59.400 -17.981 -14.121 1.00158.22 ATOM 207 N ILE x 30 57.461 -15.712 -15.384 1.00158.12 ATOM 208 CA ILE x 30 56.561 -15.249 -16.459 1.00157.48 ATOM 209 C ILE x 30 56.653 -13.748 -16.646 1.00157.98 ATOM 210 O ILE x 30 56.372 -13.231 -17.740 1.00157.91 ATOM 211 CB ILE x 30 55.098 -15.624 -16.231 1.00157.15 ATOM 212 CG1 ILE x 30 54.895 -17.067 -16.657 1.00158.53 ATOM 213 CG2 ILE x 30 54.159 -14.717 -17.011 1.00155.86 ATOM 214 CD1 ILE x 30 53.492 -17.457 -17.076 1.00159.63 ATOM 215 N SER x 31 57.003 -13.061 -15.554 1.00158.90 ATOM 216 CA SER x 31 57.234 -11.621 -15.560 1.00159.42 ATOM 217 C SER x 31 58.080 -11.310 -16.762 1.00158.79 ATOM 218 O SER x 31 57.661 -10.601 -17.685 1.00158.44 ATOM 219 CB SER x 31 57.930 -11.201 -14.261 1.00160.50 ATOM 220 OG SER x 31 57.108 -11.453 -13.150 1.00161.80 ATOM 221 N GLN x 32 59.299 -11.825 -16.727 1.00157.98 ATOM 222 CA GLN x 32 60.201 -11.635 -17.842 1.00157.23 ATOM 223 C GLN x 32 60.225 -12.865 -18.769 1.00156.00 ATOM 224 O GLN x 32 61.075 -13.757 -18.641 1.00155.63 ATOM 225 CB GLN x 32 61.617 -11.266 -17.399 1.00158.12 ATOM 226 CG GLN x 32 62.566 -10.902 -18.578 1.00159.76 ATOM 227 CD GLN x 32 62.003 -9.827 -19.551 1.00159.74 ATOM 228 OE1 GLN x 32 62.551 -8.727 -19.683 1.00159.99 ATOM 229 NE2 GLN x 32 60.917 -10.167 -20.243 1.00159.44 ATOM 230 N ILE x 33 59.243 -12.893 -19.677 1.00154.29 ATOM 231 CA ILE x 33 59.061 -13.893 -20.728 1.00152.74 ATOM 232 C ILE x 33 58.058 -13.285 -21.728 1.00152.56 ATOM 233 O ILE x 33 57.359 -13.990 -22.467 1.00152.47 ATOM 234 CB ILE x 33 58.624 -15.306 -20.180 1.00151.78 ATOM 235 CG1 ILE x 33 59.872 -16.039 -19.658 1.00150.54 ATOM 236 CG2 ILE x 33 57.991 -16.175 -21.276 1.00151.34 ATOM 237 CD1 ILE x 33 59.699 -17.522 -19.421 1.00148.38 ATOM 238 N ASP x 34 58.019 -11.948 -21.726 1.00152.54 ATOM 239 CA ASP x 34 57.186 -11.123 -22.602 1.00152.39 ATOM 240 C ASP x 34 56.971 -9.703 -22.059 1.00152.02 ATOM 241 O ASP x 34 57.640 -9.340 -21.065 1.00151.36 ATOM 242 CB ASP x 34 55.834 -11.800 -22.896 1.00152.67 ATOM 243 CG ASP x 34 55.104 -12.244 -21.647 1.00153.14 ATOM 244 OD1 ASP x 34 55.724 -12.270 -20.561 1.00154.30 ATOM 245 OD2 ASP x 34 53.912 -12.587 -21.752 1.00152.25 ATOM 246 OXT ASP x 34 56.158 -8.956 -22.654 1.00151.37 TER