HEADER PHOTOSYNTHESIS 19-MAR-15 4YUU TITLE Crystal structure of oxygen-evolving photosystem II from a red alga COMPND MOL_ID: 18; COMPND 2 MOLECULE: PHOTOSYSTEM II REACTION CENTER PROTEIN X; COMPND 3 CHAIN: X1, x1, X2, x2; EXPDTA X-RAY DIFFRACTION REMARK 2 RESOLUTION. 2.77 ANGSTORMS DBREF 4YUU x 3 42 PDB 4YUU 4YUU 3 42 SEQRES 1 x1 36 MET THR PRO SER LEU ALA ALA PHE PHE TRP SER LEU ILE SEQRES 2 x1 36 TRP ALA ALA VAL LEU VAL ILE LEU PRO ILE THR GLY ALA SEQRES 3 x1 36 ILE ILE TRP VAL SER GLN GLN ASP LYS LEU ATOM 1 N MET x 3 141.400 89.804 61.576 1.00 76.75 ATOM 2 CA MET x 3 141.572 90.950 60.693 1.00 74.50 ATOM 3 C MET x 3 140.525 92.025 60.950 1.00 67.88 ATOM 4 O MET x 3 139.356 91.861 60.609 1.00 73.18 ATOM 5 CB MET x 3 141.510 90.518 59.225 1.00 73.54 ATOM 6 CG MET x 3 142.741 89.769 58.743 1.00 83.57 ATOM 7 SD MET x 3 142.788 89.584 56.950 1.00 98.58 ATOM 8 CE MET x 3 142.559 91.287 56.432 1.00 73.15 ATOM 9 N THR x 4 140.955 93.129 61.549 1.00 65.12 ATOM 10 CA THR x 4 140.086 94.283 61.743 1.00 67.75 ATOM 11 C THR x 4 139.700 94.885 60.389 1.00 64.98 ATOM 12 O THR x 4 140.371 94.641 59.386 1.00 65.26 ATOM 13 CB THR x 4 140.767 95.356 62.615 1.00 66.83 ATOM 14 OG1 THR x 4 141.914 95.874 61.932 1.00 69.39 ATOM 15 CG2 THR x 4 141.197 94.761 63.949 1.00 64.12 ATOM 16 N PRO x 5 138.601 95.655 60.349 1.00 67.61 ATOM 17 CA PRO x 5 138.201 96.293 59.089 1.00 66.96 ATOM 18 C PRO x 5 139.246 97.276 58.557 1.00 66.54 ATOM 19 O PRO x 5 139.443 97.373 57.343 1.00 67.97 ATOM 20 CB PRO x 5 136.913 97.027 59.467 1.00 58.24 ATOM 21 CG PRO x 5 136.369 96.256 60.612 1.00 58.23 ATOM 22 CD PRO x 5 137.564 95.789 61.387 1.00 65.54 ATOM 23 N SER x 6 139.903 97.994 59.461 1.00 69.58 ATOM 24 CA SER x 6 140.920 98.970 59.080 1.00 64.05 ATOM 25 C SER x 6 142.133 98.293 58.448 1.00 60.40 ATOM 26 O SER x 6 142.768 98.844 57.549 1.00 63.44 ATOM 27 CB SER x 6 141.347 99.793 60.297 1.00 71.35 ATOM 28 OG SER x 6 141.784 98.955 61.354 1.00 71.33 ATOM 29 N LEU x 7 142.451 97.095 58.924 1.00 60.60 ATOM 30 CA LEU x 7 143.557 96.321 58.373 1.00 62.98 ATOM 31 C LEU x 7 143.229 95.858 56.960 1.00 68.86 ATOM 32 O LEU x 7 144.082 95.888 56.069 1.00 72.86 ATOM 33 CB LEU x 7 143.871 95.122 59.267 1.00 62.32 ATOM 34 CG LEU x 7 145.041 94.240 58.830 1.00 70.92 ATOM 35 CD1 LEU x 7 146.323 95.054 58.710 1.00 69.14 ATOM 36 CD2 LEU x 7 145.222 93.089 59.804 1.00 76.95 ATOM 37 N ALA x 8 141.984 95.431 56.764 1.00 67.31 ATOM 38 CA ALA x 8 141.506 95.034 55.447 1.00 72.37 ATOM 39 C ALA x 8 141.540 96.224 54.498 1.00 64.88 ATOM 40 O ALA x 8 141.877 96.083 53.325 1.00 64.90 ATOM 41 CB ALA x 8 140.099 94.459 55.538 1.00 67.91 ATOM 42 N ALA x 9 141.192 97.396 55.020 1.00 62.11 ATOM 43 CA ALA x 9 141.232 98.626 54.241 1.00 60.87 ATOM 44 C ALA x 9 142.669 98.988 53.874 1.00 69.77 ATOM 45 O ALA x 9 142.925 99.551 52.810 1.00 72.68 ATOM 46 CB ALA x 9 140.576 99.760 55.010 1.00 56.22 ATOM 47 N PHE x 10 143.603 98.662 54.763 1.00 69.70 ATOM 48 CA PHE x 10 145.019 98.895 54.506 1.00 66.56 ATOM 49 C PHE x 10 145.527 97.981 53.394 1.00 66.01 ATOM 50 O PHE x 10 146.208 98.430 52.464 1.00 67.72 ATOM 51 CB PHE x 10 145.835 98.684 55.785 1.00 64.21 ATOM 52 CG PHE x 10 147.320 98.636 55.557 1.00 58.54 ATOM 53 CD1 PHE x 10 148.018 99.779 55.211 1.00 59.68 ATOM 54 CD2 PHE x 10 148.017 97.447 55.701 1.00 53.00 ATOM 55 CE1 PHE x 10 149.384 99.737 55.001 1.00 53.55 ATOM 56 CE2 PHE x 10 149.381 97.399 55.493 1.00 53.37 ATOM 57 CZ PHE x 10 150.066 98.546 55.141 1.00 54.09 ATOM 58 N PHE x 11 145.191 96.699 53.495 1.00 64.97 ATOM 59 CA PHE x 11 145.568 95.724 52.477 1.00 73.30 ATOM 60 C PHE x 11 144.971 96.083 51.118 1.00 71.31 ATOM 61 O PHE x 11 145.634 95.974 50.086 1.00 69.04 ATOM 62 CB PHE x 11 145.125 94.320 52.892 1.00 75.07 ATOM 63 CG PHE x 11 145.965 93.713 53.978 1.00 70.76 ATOM 64 CD1 PHE x 11 147.337 93.895 53.996 1.00 71.69 ATOM 65 CD2 PHE x 11 145.381 92.961 54.985 1.00 73.81 ATOM 66 CE1 PHE x 11 148.114 93.337 54.996 1.00 72.77 ATOM 67 CE2 PHE x 11 146.151 92.399 55.987 1.00 75.21 ATOM 68 CZ PHE x 11 147.520 92.588 55.993 1.00 74.71 ATOM 69 N TRP x 12 143.716 96.518 51.128 1.00 71.20 ATOM 70 CA TRP x 12 143.038 96.907 49.898 1.00 83.31 ATOM 71 C TRP x 12 143.667 98.171 49.318 1.00 77.77 ATOM 72 O TRP x 12 143.766 98.323 48.098 1.00 75.58 ATOM 73 CB TRP x 12 141.541 97.112 50.147 1.00 83.95 ATOM 74 CG TRP x 12 140.685 96.301 49.224 1.00 94.61 ATOM 75 CD1 TRP x 12 139.931 96.764 48.186 1.00100.12 ATOM 76 CD2 TRP x 12 140.511 94.878 49.241 1.00101.09 ATOM 77 NE1 TRP x 12 139.291 95.721 47.562 1.00102.40 ATOM 78 CE2 TRP x 12 139.631 94.552 48.190 1.00105.15 ATOM 79 CE3 TRP x 12 141.012 93.849 50.047 1.00 99.34 ATOM 80 CZ2 TRP x 12 139.241 93.242 47.923 1.00108.74 ATOM 81 CZ3 TRP x 12 140.624 92.549 49.780 1.00107.64 ATOM 82 CH2 TRP x 12 139.746 92.257 48.727 1.00114.97 ATOM 83 N SER x 13 144.096 99.070 50.197 1.00 73.47 ATOM 84 CA SER x 13 144.803 100.271 49.773 1.00 72.82 ATOM 85 C SER x 13 146.098 99.882 49.075 1.00 70.13 ATOM 86 O SER x 13 146.470 100.470 48.060 1.00 67.77 ATOM 87 CB SER x 13 145.100 101.182 50.962 1.00 69.41 ATOM 88 OG SER x 13 146.115 100.628 51.782 1.00 68.08 ATOM 89 N LEU x 14 146.778 98.883 49.628 1.00 71.64 ATOM 90 CA LEU x 14 147.984 98.348 49.009 1.00 72.64 ATOM 91 C LEU x 14 147.677 97.720 47.653 1.00 75.78 ATOM 92 O LEU x 14 148.489 97.794 46.731 1.00 73.77 ATOM 93 CB LEU x 14 148.649 97.318 49.925 1.00 70.98 ATOM 94 CG LEU x 14 149.834 97.809 50.757 1.00 66.52 ATOM 95 CD1 LEU x 14 149.481 99.083 51.504 1.00 62.11 ATOM 96 CD2 LEU x 14 150.284 96.725 51.722 1.00 65.10 ATOM 97 N ILE x 15 146.504 97.103 47.538 1.00 80.02 ATOM 98 CA ILE x 15 146.081 96.486 46.282 1.00 78.53 ATOM 99 C ILE x 15 145.865 97.533 45.190 1.00 78.67 ATOM 100 O ILE x 15 146.471 97.456 44.116 1.00 69.91 ATOM 101 CB ILE x 15 144.786 95.663 46.463 1.00 79.41 ATOM 102 CG1 ILE x 15 145.057 94.432 47.331 1.00 76.90 ATOM 103 CG2 ILE x 15 144.217 95.240 45.112 1.00 65.44 ATOM 104 CD1 ILE x 15 143.831 93.583 47.593 1.00 87.52 ATOM 105 N TRP x 16 145.005 98.510 45.472 1.00 76.21 ATOM 106 CA TRP x 16 144.717 99.581 44.521 1.00 76.61 ATOM 107 C TRP x 16 145.976 100.364 44.162 1.00 78.24 ATOM 108 O TRP x 16 146.179 100.739 43.002 1.00 81.96 ATOM 109 CB TRP x 16 143.656 100.532 45.081 1.00 71.58 ATOM 110 CG TRP x 16 142.308 99.905 45.243 1.00 82.81 ATOM 111 CD1 TRP x 16 141.635 99.695 46.411 1.00 84.23 ATOM 112 CD2 TRP x 16 141.465 99.398 44.198 1.00 89.21 ATOM 113 NE1 TRP x 16 140.426 99.093 46.160 1.00 82.53 ATOM 114 CE2 TRP x 16 140.298 98.900 44.811 1.00 92.53 ATOM 115 CE3 TRP x 16 141.585 99.320 42.808 1.00 82.96 ATOM 116 CZ2 TRP x 16 139.257 98.330 44.077 1.00 92.64 ATOM 117 CZ3 TRP x 16 140.550 98.754 42.084 1.00 89.47 ATOM 118 CH2 TRP x 16 139.403 98.267 42.719 1.00 84.55 ATOM 119 N ALA x 17 146.816 100.609 45.164 1.00 79.13 ATOM 120 CA ALA x 17 148.079 101.300 44.944 1.00 77.28 ATOM 121 C ALA x 17 148.970 100.493 44.010 1.00 79.57 ATOM 122 O ALA x 17 149.576 101.047 43.099 1.00 77.28 ATOM 123 CB ALA x 17 148.790 101.561 46.264 1.00 71.66 ATOM 124 N ALA x 18 149.039 99.184 44.236 1.00 83.94 ATOM 125 CA ALA x 18 149.856 98.305 43.403 1.00 86.09 ATOM 126 C ALA x 18 149.355 98.299 41.960 1.00 87.28 ATOM 127 O ALA x 18 150.150 98.313 41.020 1.00 90.69 ATOM 128 CB ALA x 18 149.871 96.892 43.970 1.00 82.75 ATOM 129 N VAL x 19 148.036 98.284 41.788 1.00 89.96 ATOM 130 CA VAL x 19 147.443 98.340 40.454 1.00 91.59 ATOM 131 C VAL x 19 147.812 99.642 39.742 1.00 95.61 ATOM 132 O VAL x 19 148.316 99.633 38.610 1.00102.41 ATOM 133 CB VAL x 19 145.907 98.210 40.510 1.00 84.66 ATOM 134 CG1 VAL x 19 145.293 98.575 39.170 1.00 84.68 ATOM 135 CG2 VAL x 19 145.506 96.800 40.926 1.00 73.22 ATOM 136 N LEU x 20 147.577 100.760 40.422 1.00 96.64 ATOM 137 CA LEU x 20 147.828 102.073 39.837 1.00 96.74 ATOM 138 C LEU x 20 149.277 102.544 40.015 1.00 98.42 ATOM 139 O LEU x 20 149.572 103.731 39.873 1.00 97.65 ATOM 140 CB LEU x 20 146.860 103.096 40.431 1.00 95.68 ATOM 141 CG LEU x 20 145.393 102.757 40.157 1.00 91.33 ATOM 142 CD1 LEU x 20 144.459 103.698 40.900 1.00 87.21 ATOM 143 CD2 LEU x 20 145.123 102.795 38.664 1.00100.46 ATOM 144 N VAL x 21 150.173 101.610 40.325 1.00 99.11 ATOM 145 CA VAL x 21 151.610 101.874 40.279 1.00 94.34 ATOM 146 C VAL x 21 152.235 100.918 39.269 1.00 93.28 ATOM 147 O VAL x 21 153.345 101.139 38.788 1.00 96.64 ATOM 148 CB VAL x 21 152.295 101.716 41.657 1.00 93.63 ATOM 149 CG1 VAL x 21 152.589 100.255 41.955 1.00 91.38 ATOM 150 CG2 VAL x 21 153.578 102.530 41.707 1.00100.50 ATOM 151 N ILE x 22 151.502 99.854 38.948 1.00 92.87 ATOM 152 CA ILE x 22 151.885 98.957 37.867 1.00 90.06 ATOM 153 C ILE x 22 151.456 99.575 36.539 1.00 88.98 ATOM 154 O ILE x 22 152.140 99.424 35.526 1.00 89.51 ATOM 155 CB ILE x 22 151.268 97.550 38.041 1.00 84.21 ATOM 156 CG1 ILE x 22 152.055 96.753 39.080 1.00 82.32 ATOM 157 CG2 ILE x 22 151.262 96.782 36.731 1.00 92.88 ATOM 158 CD1 ILE x 22 151.542 95.346 39.285 1.00 82.94 ATOM 159 N LEU x 23 150.335 100.293 36.555 1.00 87.66 ATOM 160 CA LEU x 23 149.873 100.991 35.356 1.00 87.45 ATOM 161 C LEU x 23 150.947 101.932 34.766 1.00 91.10 ATOM 162 O LEU x 23 151.302 101.790 33.588 1.00 89.50 ATOM 163 CB LEU x 23 148.576 101.759 35.648 1.00 85.50 ATOM 164 N PRO x 24 151.491 102.875 35.570 1.00 96.25 ATOM 165 CA PRO x 24 152.533 103.726 34.977 1.00 93.13 ATOM 166 C PRO x 24 153.810 102.958 34.645 1.00 90.70 ATOM 167 O PRO x 24 154.432 103.229 33.611 1.00 90.26 ATOM 168 CB PRO x 24 152.803 104.773 36.071 1.00 92.59 ATOM 169 CG PRO x 24 151.622 104.718 36.966 1.00 99.35 ATOM 170 CD PRO x 24 151.206 103.282 36.958 1.00100.15 ATOM 171 N ILE x 25 154.189 102.019 35.509 1.00 88.06 ATOM 172 CA ILE x 25 155.388 101.211 35.298 1.00 90.55 ATOM 173 C ILE x 25 155.355 100.473 33.963 1.00 86.77 ATOM 174 O ILE x 25 156.238 100.649 33.102 1.00 91.51 ATOM 175 CB ILE x 25 155.568 100.178 36.423 1.00 93.59 ATOM 176 N THR x 26 154.323 99.654 33.794 1.00 93.05 ATOM 177 CA THR x 26 154.155 98.891 32.567 1.00 96.70 ATOM 178 C THR x 26 153.966 99.812 31.365 1.00 91.48 ATOM 179 O THR x 26 154.451 99.506 30.278 1.00 88.62 ATOM 180 CB THR x 26 152.970 97.911 32.670 1.00105.05 ATOM 181 OG1 THR x 26 151.797 98.607 33.111 1.00 98.07 ATOM 182 CG2 THR x 26 153.292 96.807 33.680 1.00102.35 ATOM 183 N GLY x 27 153.280 100.938 31.557 1.00 88.39 ATOM 184 CA GLY x 27 153.189 101.939 30.504 1.00 81.58 ATOM 185 C GLY x 27 154.558 102.362 29.990 1.00 87.06 ATOM 186 O GLY x 27 154.826 102.413 28.765 1.00 94.23 ATOM 187 N ALA x 28 155.449 102.633 30.939 1.00 89.85 ATOM 188 CA ALA x 28 156.800 103.048 30.596 1.00 81.35 ATOM 189 C ALA x 28 157.578 101.916 29.919 1.00 85.94 ATOM 190 O ALA x 28 158.368 102.162 29.000 1.00 90.59 ATOM 191 CB ALA x 28 157.535 103.538 31.823 1.00 77.35 ATOM 192 N ILE x 29 157.344 100.674 30.340 1.00 84.50 ATOM 193 CA ILE x 29 158.061 99.557 29.714 1.00 85.77 ATOM 194 C ILE x 29 157.616 99.317 28.261 1.00 90.34 ATOM 195 O ILE x 29 158.462 99.111 27.356 1.00 90.30 ATOM 196 CB ILE x 29 157.903 98.258 30.537 1.00 82.86 ATOM 197 CG1 ILE x 29 158.305 98.511 31.995 1.00 86.76 ATOM 198 CG2 ILE x 29 158.737 97.145 29.948 1.00 86.22 ATOM 199 CD1 ILE x 29 158.116 97.314 32.912 1.00 95.81 ATOM 200 N ILE x 30 156.302 99.367 28.030 1.00 90.37 ATOM 201 CA ILE x 30 155.780 99.137 26.685 1.00 88.29 ATOM 202 C ILE x 30 156.285 100.205 25.731 1.00 87.12 ATOM 203 O ILE x 30 156.635 99.889 24.587 1.00 90.09 ATOM 204 CB ILE x 30 154.216 99.084 26.615 1.00 95.48 ATOM 205 CG1 ILE x 30 153.761 98.756 25.188 1.00 83.63 ATOM 206 CG2 ILE x 30 153.576 100.369 27.068 1.00 97.96 ATOM 207 CD1 ILE x 30 152.265 98.790 24.992 1.00 92.22 ATOM 208 N TRP x 31 156.368 101.457 26.187 1.00 82.91 ATOM 209 CA TRP x 31 156.946 102.459 25.288 1.00 84.50 ATOM 210 C TRP x 31 158.477 102.428 25.326 1.00 85.60 ATOM 211 O TRP x 31 159.143 103.186 24.611 1.00 77.35 ATOM 212 CB TRP x 31 156.444 103.857 25.629 1.00 77.34 ATOM 213 N VAL x 32 159.027 101.570 26.184 1.00 91.02 ATOM 214 CA VAL x 32 160.474 101.438 26.283 1.00 85.51 ATOM 215 C VAL x 32 161.034 100.478 25.244 1.00 85.86 ATOM 216 O VAL x 32 162.131 100.710 24.731 1.00 82.96 ATOM 217 CB VAL x 32 160.908 101.002 27.698 1.00 82.07 ATOM 218 CG1 VAL x 32 161.743 99.727 27.675 1.00 90.85 ATOM 219 CG2 VAL x 32 161.673 102.120 28.339 1.00 79.71 ATOM 220 N SER x 33 160.308 99.418 24.901 1.00 83.01 ATOM 221 CA SER x 33 160.867 98.553 23.851 1.00 88.65 ATOM 222 C SER x 33 160.482 98.993 22.424 1.00 86.25 ATOM 223 O SER x 33 161.073 98.531 21.444 1.00 83.62 ATOM 224 CB SER x 33 160.458 97.100 24.071 1.00 94.34 ATOM 225 N GLN x 34 159.508 99.891 22.311 1.00 84.21 ATOM 226 CA GLN x 34 159.005 100.307 21.002 1.00 84.96 ATOM 227 C GLN x 34 159.785 101.478 20.408 1.00 81.32 ATOM 228 O GLN x 34 159.773 101.687 19.194 1.00 87.34 ATOM 229 CB GLN x 34 157.522 100.673 21.102 1.00 78.77 ATOM 230 N GLN x 35 160.458 102.240 21.262 1.00 78.43 ATOM 231 CA GLN x 35 161.159 103.440 20.817 1.00 77.76 ATOM 232 C GLN x 35 162.622 103.459 21.249 1.00 72.96 ATOM 233 O GLN x 35 163.033 104.327 22.014 1.00 81.98 ATOM 234 CB GLN x 35 160.450 104.691 21.340 1.00 74.65 ATOM 235 N ASP x 36 163.403 102.505 20.752 1.00 72.43 ATOM 236 CA ASP x 36 164.835 102.481 21.019 1.00 64.84 ATOM 237 C ASP x 36 165.557 103.523 20.172 1.00 83.78 ATOM 238 O ASP x 36 165.002 104.037 19.200 1.00 92.48 ATOM 239 CB ASP x 36 165.421 101.094 20.744 1.00 70.43 ATOM 240 CG ASP x 36 164.668 99.991 21.453 1.00 75.85 ATOM 241 OD1 ASP x 36 163.759 100.307 22.249 1.00 81.80 ATOM 242 OD2 ASP x 36 164.989 98.806 21.222 1.00 73.90 ATOM 243 N LYS x 37 166.797 103.827 20.539 1.00 89.75 ATOM 244 CA LYS x 37 167.606 104.780 19.787 1.00 85.36 ATOM 245 C LYS x 37 168.973 104.193 19.447 1.00 92.56 ATOM 246 O LYS x 37 169.346 103.138 19.958 1.00 99.04 ATOM 247 CB LYS x 37 167.770 106.080 20.574 1.00 89.89 ATOM 248 N LEU x 38 169.711 104.880 18.579 1.00 97.01 ATOM 249 CA LEU x 38 171.069 104.472 18.227 1.00100.75 ATOM 250 C LEU x 38 171.969 105.680 17.985 1.00100.47 ATOM 251 O LEU x 38 173.186 105.546 17.848 1.00101.74 ATOM 252 CB LEU x 38 171.061 103.570 16.989 1.00105.57 ATOM 253 CG LEU x 38 170.770 102.085 17.218 1.00108.69 ATOM 254 CD1 LEU x 38 170.651 101.348 15.892 1.00 97.30 ATOM 255 CD2 LEU x 38 171.850 101.458 18.091 1.00101.13 TER