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 X2 31 MET THR PRO SER LEU ALA ALA PHE PHE TRP SER LEU ILE SEQRES 2 X2 31 TRP ALA ALA VAL LEU VAL ILE LEU PRO ILE THR GLY ALA SEQRES 3 X2 31 ILE ILE TRP VAL SER ATOM 1 N MET X 1 207.626 159.970 -27.376 1.00 86.43 ATOM 2 CA MET X 1 207.156 158.883 -26.526 1.00 79.12 ATOM 3 C MET X 1 207.456 157.519 -27.139 1.00 83.63 ATOM 4 O MET X 1 206.953 157.183 -28.211 1.00 87.69 ATOM 5 CB MET X 1 205.657 159.019 -26.268 1.00 89.41 ATOM 6 CG MET X 1 205.065 157.876 -25.461 1.00 87.30 ATOM 7 SD MET X 1 203.355 158.182 -24.992 1.00 92.98 ATOM 8 CE MET X 1 203.509 159.783 -24.200 1.00 75.92 ATOM 9 N THR X 2 208.275 156.737 -26.446 1.00 89.27 ATOM 10 CA THR X 2 208.659 155.409 -26.911 1.00 89.45 ATOM 11 C THR X 2 207.459 154.462 -26.950 1.00 89.30 ATOM 12 O THR X 2 206.498 154.648 -26.204 1.00 91.20 ATOM 13 CB THR X 2 209.754 154.803 -26.011 1.00 80.98 ATOM 14 N PRO X 3 207.507 153.452 -27.836 1.00 91.38 ATOM 15 CA PRO X 3 206.467 152.419 -27.918 1.00 89.06 ATOM 16 C PRO X 3 206.251 151.689 -26.593 1.00 87.59 ATOM 17 O PRO X 3 205.118 151.332 -26.262 1.00 89.60 ATOM 18 CB PRO X 3 207.011 151.460 -28.979 1.00 83.24 ATOM 19 CG PRO X 3 207.882 152.305 -29.830 1.00 84.90 ATOM 20 CD PRO X 3 208.513 153.301 -28.903 1.00 88.73 ATOM 21 N SER X 4 207.333 151.474 -25.849 1.00 92.11 ATOM 22 CA SER X 4 207.262 150.787 -24.562 1.00 90.87 ATOM 23 C SER X 4 206.474 151.602 -23.538 1.00 87.36 ATOM 24 O SER X 4 205.775 151.042 -22.692 1.00 84.57 ATOM 25 CB SER X 4 208.671 150.498 -24.036 1.00 81.91 ATOM 26 N LEU X 5 206.595 152.924 -23.620 1.00 88.05 ATOM 27 CA LEU X 5 205.859 153.820 -22.735 1.00 86.56 ATOM 28 C LEU X 5 204.365 153.766 -23.043 1.00 93.65 ATOM 29 O LEU X 5 203.529 153.757 -22.134 1.00 93.50 ATOM 30 CB LEU X 5 206.380 155.255 -22.863 1.00 82.53 ATOM 31 CG LEU X 5 205.738 156.299 -21.947 1.00 83.61 ATOM 32 CD1 LEU X 5 205.760 155.826 -20.502 1.00 88.38 ATOM 33 CD2 LEU X 5 206.437 157.644 -22.075 1.00 72.35 ATOM 34 N ALA X 6 204.040 153.727 -24.333 1.00 91.18 ATOM 35 CA ALA X 6 202.659 153.589 -24.775 1.00 86.66 ATOM 36 C ALA X 6 202.090 152.256 -24.311 1.00 81.20 ATOM 37 O ALA X 6 200.928 152.169 -23.919 1.00 90.23 ATOM 38 CB ALA X 6 202.567 153.712 -26.288 1.00 91.64 ATOM 39 N ALA X 7 202.921 151.220 -24.357 1.00 74.23 ATOM 40 CA ALA X 7 202.525 149.897 -23.888 1.00 82.95 ATOM 41 C ALA X 7 202.297 149.901 -22.376 1.00 92.59 ATOM 42 O ALA X 7 201.440 149.178 -21.866 1.00 89.76 ATOM 43 CB ALA X 7 203.574 148.865 -24.266 1.00 78.63 ATOM 44 N PHE X 8 203.068 150.721 -21.667 1.00 87.68 ATOM 45 CA PHE X 8 202.907 150.871 -20.226 1.00 88.10 ATOM 46 C PHE X 8 201.584 151.559 -19.894 1.00 89.64 ATOM 47 O PHE X 8 200.831 151.101 -19.028 1.00 91.20 ATOM 48 CB PHE X 8 204.082 151.656 -19.634 1.00 82.82 ATOM 49 CG PHE X 8 203.868 152.089 -18.211 1.00 85.73 ATOM 50 CD1 PHE X 8 203.872 151.161 -17.182 1.00 83.21 ATOM 51 CD2 PHE X 8 203.670 153.425 -17.902 1.00 82.17 ATOM 52 CE1 PHE X 8 203.678 151.556 -15.874 1.00 75.60 ATOM 53 CE2 PHE X 8 203.475 153.827 -16.595 1.00 77.14 ATOM 54 CZ PHE X 8 203.479 152.891 -15.580 1.00 74.45 ATOM 55 N PHE X 9 201.310 152.659 -20.589 1.00 86.35 ATOM 56 CA PHE X 9 200.061 153.391 -20.413 1.00 92.48 ATOM 57 C PHE X 9 198.855 152.517 -20.746 1.00 94.64 ATOM 58 O PHE X 9 197.842 152.542 -20.043 1.00 92.04 ATOM 59 CB PHE X 9 200.052 154.651 -21.281 1.00 94.33 ATOM 60 CG PHE X 9 200.933 155.752 -20.763 1.00 90.30 ATOM 61 CD1 PHE X 9 201.022 156.005 -19.404 1.00 96.84 ATOM 62 CD2 PHE X 9 201.674 156.533 -21.634 1.00 83.21 ATOM 63 CE1 PHE X 9 201.830 157.018 -18.924 1.00 95.13 ATOM 64 CE2 PHE X 9 202.484 157.548 -21.160 1.00 84.19 ATOM 65 CZ PHE X 9 202.563 157.790 -19.803 1.00 89.35 ATOM 66 N TRP X 10 198.974 151.740 -21.817 1.00 95.61 ATOM 67 CA TRP X 10 197.901 150.846 -22.232 1.00104.51 ATOM 68 C TRP X 10 197.711 149.729 -21.213 1.00103.99 ATOM 69 O TRP X 10 196.586 149.295 -20.956 1.00103.74 ATOM 70 CB TRP X 10 198.186 150.266 -23.619 1.00107.96 ATOM 71 CG TRP X 10 197.077 150.516 -24.591 1.00121.02 ATOM 72 CD1 TRP X 10 196.172 149.607 -25.055 1.00129.12 ATOM 73 CD2 TRP X 10 196.742 151.765 -25.204 1.00123.38 ATOM 74 NE1 TRP X 10 195.299 150.211 -25.927 1.00136.33 ATOM 75 CE2 TRP X 10 195.627 151.537 -26.035 1.00134.73 ATOM 76 CE3 TRP X 10 197.279 153.054 -25.134 1.00120.00 ATOM 77 CZ2 TRP X 10 195.040 152.549 -26.791 1.00138.85 ATOM 78 CZ3 TRP X 10 196.695 154.058 -25.884 1.00133.11 ATOM 79 CH2 TRP X 10 195.588 153.799 -26.702 1.00142.31 ATOM 80 N SER X 11 198.818 149.270 -20.634 1.00102.11 ATOM 81 CA SER X 11 198.768 148.275 -19.569 1.00101.19 ATOM 82 C SER X 11 198.003 148.836 -18.378 1.00 98.18 ATOM 83 O SER X 11 197.199 148.139 -17.758 1.00 98.50 ATOM 84 CB SER X 11 200.176 147.853 -19.147 1.00 82.66 ATOM 85 N LEU X 12 198.255 150.105 -18.070 1.00 92.29 ATOM 86 CA LEU X 12 197.522 150.794 -17.016 1.00 90.99 ATOM 87 C LEU X 12 196.039 150.909 -17.358 1.00 98.69 ATOM 88 O LEU X 12 195.185 150.839 -16.474 1.00101.01 ATOM 89 CB LEU X 12 198.113 152.182 -16.769 1.00 90.43 ATOM 90 CG LEU X 12 199.063 152.316 -15.578 1.00 94.17 ATOM 91 CD1 LEU X 12 200.142 151.246 -15.618 1.00 92.56 ATOM 92 CD2 LEU X 12 199.683 153.704 -15.552 1.00 90.10 ATOM 93 N ILE X 13 195.738 151.086 -18.642 1.00106.61 ATOM 94 CA ILE X 13 194.354 151.187 -19.097 1.00 99.56 ATOM 95 C ILE X 13 193.602 149.872 -18.896 1.00101.13 ATOM 96 O ILE X 13 192.557 149.838 -18.238 1.00101.95 ATOM 97 CB ILE X 13 194.276 151.589 -20.581 1.00 94.00 ATOM 98 N TRP X 14 194.139 148.794 -19.463 1.00101.05 ATOM 99 CA TRP X 14 193.529 147.471 -19.335 1.00103.23 ATOM 100 C TRP X 14 193.426 147.042 -17.876 1.00106.54 ATOM 101 O TRP X 14 192.424 146.451 -17.460 1.00115.41 ATOM 102 CB TRP X 14 194.322 146.429 -20.128 1.00106.12 ATOM 103 CG TRP X 14 194.281 146.638 -21.610 1.00117.25 ATOM 104 CD1 TRP X 14 195.333 146.942 -22.425 1.00115.94 ATOM 105 CD2 TRP X 14 193.125 146.566 -22.455 1.00121.98 ATOM 106 NE1 TRP X 14 194.904 147.058 -23.726 1.00115.82 ATOM 107 CE2 TRP X 14 193.556 146.833 -23.771 1.00120.87 ATOM 108 CE3 TRP X 14 191.772 146.299 -22.227 1.00119.72 ATOM 109 CZ2 TRP X 14 192.677 146.841 -24.853 1.00123.12 ATOM 110 CZ3 TRP X 14 190.904 146.308 -23.304 1.00117.63 ATOM 111 CH2 TRP X 14 191.359 146.577 -24.600 1.00118.37 ATOM 112 N ALA X 15 194.468 147.341 -17.105 1.00108.75 ATOM 113 CA ALA X 15 194.470 147.032 -15.680 1.00105.59 ATOM 114 C ALA X 15 193.357 147.790 -14.969 1.00106.71 ATOM 115 O ALA X 15 192.654 147.224 -14.138 1.00108.59 ATOM 116 CB ALA X 15 195.817 147.360 -15.059 1.00 93.99 ATOM 117 N ALA X 16 193.199 149.068 -15.303 1.00103.55 ATOM 118 CA ALA X 16 192.160 149.898 -14.700 1.00101.31 ATOM 119 C ALA X 16 190.768 149.365 -15.034 1.00108.54 ATOM 120 O ALA X 16 189.883 149.341 -14.179 1.00107.34 ATOM 121 CB ALA X 16 192.299 151.341 -15.156 1.00 99.81 ATOM 122 N VAL X 17 190.580 148.935 -16.278 1.00114.09 ATOM 123 CA VAL X 17 189.312 148.341 -16.693 1.00114.28 ATOM 124 C VAL X 17 189.007 147.071 -15.896 1.00117.20 ATOM 125 O VAL X 17 187.925 146.927 -15.307 1.00120.59 ATOM 126 CB VAL X 17 189.310 148.008 -18.200 1.00102.03 ATOM 127 CG1 VAL X 17 188.124 147.127 -18.549 1.00103.72 ATOM 128 CG2 VAL X 17 189.300 149.287 -19.028 1.00 92.26 ATOM 129 N LEU X 18 189.978 146.162 -15.862 1.00118.91 ATOM 130 CA LEU X 18 189.796 144.878 -15.193 1.00116.32 ATOM 131 C LEU X 18 190.115 144.934 -13.695 1.00118.28 ATOM 132 O LEU X 18 190.317 143.898 -13.059 1.00118.27 ATOM 133 CB LEU X 18 190.648 143.811 -15.878 1.00114.12 ATOM 134 CG LEU X 18 190.265 143.597 -17.346 1.00113.34 ATOM 135 CD1 LEU X 18 191.237 142.657 -18.037 1.00116.30 ATOM 136 CD2 LEU X 18 188.840 143.078 -17.449 1.00112.85 ATOM 137 N VAL X 19 190.159 146.143 -13.140 1.00117.07 ATOM 138 CA VAL X 19 190.206 146.324 -11.691 1.00108.93 ATOM 139 C VAL X 19 188.972 147.116 -11.273 1.00107.66 ATOM 140 O VAL X 19 188.588 147.122 -10.104 1.00111.21 ATOM 141 CB VAL X 19 191.490 147.048 -11.216 1.00108.93 ATOM 142 CG1 VAL X 19 191.360 148.552 -11.383 1.00108.87 ATOM 143 CG2 VAL X 19 191.786 146.705 -9.765 1.00111.21 ATOM 144 N ILE X 20 188.351 147.780 -12.245 1.00110.22 ATOM 145 CA ILE X 20 187.063 148.427 -12.029 1.00110.34 ATOM 146 C ILE X 20 185.958 147.377 -12.133 1.00110.72 ATOM 147 O ILE X 20 184.949 147.451 -11.427 1.00107.87 ATOM 148 CB ILE X 20 186.818 149.574 -13.039 1.00111.60 ATOM 149 CG1 ILE X 20 187.598 150.821 -12.622 1.00110.52 ATOM 150 CG2 ILE X 20 185.341 149.921 -13.136 1.00113.09 ATOM 151 CD1 ILE X 20 187.393 152.005 -13.541 1.00108.11 ATOM 152 N LEU X 21 186.165 146.385 -12.997 1.00111.53 ATOM 153 CA LEU X 21 185.215 145.280 -13.124 1.00107.00 ATOM 154 C LEU X 21 184.933 144.586 -11.769 1.00107.53 ATOM 155 O LEU X 21 183.770 144.505 -11.356 1.00101.25 ATOM 156 CB LEU X 21 185.718 144.278 -14.175 1.00100.58 ATOM 157 CG LEU X 21 184.911 143.025 -14.517 1.00112.66 ATOM 158 CD1 LEU X 21 184.973 142.766 -16.015 1.00125.21 ATOM 159 CD2 LEU X 21 185.439 141.818 -13.756 1.00108.37 ATOM 160 N PRO X 22 185.982 144.108 -11.058 1.00108.50 ATOM 161 CA PRO X 22 185.670 143.489 -9.763 1.00107.63 ATOM 162 C PRO X 22 185.149 144.490 -8.732 1.00106.14 ATOM 163 O PRO X 22 184.239 144.151 -7.963 1.00103.39 ATOM 164 CB PRO X 22 187.019 142.904 -9.312 1.00 98.11 ATOM 165 CG PRO X 22 187.845 142.832 -10.543 1.00102.92 ATOM 166 CD PRO X 22 187.424 144.020 -11.348 1.00110.82 ATOM 167 N ILE X 23 185.716 145.694 -8.722 1.00100.35 ATOM 168 CA ILE X 23 185.294 146.743 -7.798 1.00 95.92 ATOM 169 C ILE X 23 183.801 147.047 -7.911 1.00100.16 ATOM 170 O ILE X 23 183.041 146.915 -6.932 1.00104.68 ATOM 171 CB ILE X 23 186.085 148.040 -8.033 1.00 87.09 ATOM 172 N THR X 24 183.388 147.443 -9.110 1.00103.45 ATOM 173 CA THR X 24 181.992 147.750 -9.370 1.00102.19 ATOM 174 C THR X 24 181.110 146.530 -9.155 1.00 99.25 ATOM 175 O THR X 24 179.986 146.660 -8.673 1.00 94.27 ATOM 176 CB THR X 24 181.787 148.278 -10.800 1.00115.10 ATOM 177 N GLY X 25 181.617 145.351 -9.511 1.00 97.59 ATOM 178 CA GLY X 25 180.897 144.121 -9.230 1.00 99.10 ATOM 179 C GLY X 25 180.542 144.017 -7.759 1.00104.06 ATOM 180 O GLY X 25 179.397 143.725 -7.402 1.00104.80 ATOM 181 N ALA X 26 181.527 144.276 -6.904 1.00102.24 ATOM 182 CA ALA X 26 181.321 144.222 -5.465 1.00 97.58 ATOM 183 C ALA X 26 180.361 145.311 -4.985 1.00 99.40 ATOM 184 O ALA X 26 179.578 145.083 -4.059 1.00100.20 ATOM 185 CB ALA X 26 182.651 144.331 -4.737 1.00 92.00 ATOM 186 N ILE X 27 180.417 146.491 -5.598 1.00 98.17 ATOM 187 CA ILE X 27 179.517 147.565 -5.177 1.00103.31 ATOM 188 C ILE X 27 178.057 147.259 -5.539 1.00110.03 ATOM 189 O ILE X 27 177.156 147.467 -4.717 1.00112.74 ATOM 190 CB ILE X 27 179.928 148.923 -5.780 1.00104.89 ATOM 191 CG1 ILE X 27 181.398 149.210 -5.465 1.00 98.98 ATOM 192 CG2 ILE X 27 179.044 150.038 -5.247 1.00101.97 ATOM 193 CD1 ILE X 27 181.932 150.487 -6.071 1.00 95.77 ATOM 194 N ILE X 28 177.821 146.760 -6.751 1.00106.71 ATOM 195 CA ILE X 28 176.462 146.439 -7.178 1.00111.43 ATOM 196 C ILE X 28 175.829 145.382 -6.276 1.00111.25 ATOM 197 O ILE X 28 174.645 145.473 -5.959 1.00113.10 ATOM 198 CB ILE X 28 176.417 145.955 -8.639 1.00100.94 ATOM 199 N TRP X 29 176.601 144.393 -5.841 1.00104.72 ATOM 200 CA TRP X 29 176.036 143.403 -4.933 1.00102.84 ATOM 201 C TRP X 29 176.065 143.880 -3.473 1.00108.32 ATOM 202 O TRP X 29 175.676 143.144 -2.572 1.00107.78 ATOM 203 CB TRP X 29 176.760 142.064 -5.080 1.00 97.27 ATOM 204 CG TRP X 29 176.510 141.406 -6.411 1.00107.58 ATOM 205 N VAL X 30 176.484 145.121 -3.239 1.00109.21 ATOM 206 CA VAL X 30 176.588 145.634 -1.872 1.00103.97 ATOM 207 C VAL X 30 175.317 146.337 -1.395 1.00113.88 ATOM 208 O VAL X 30 175.070 146.428 -0.192 1.00121.78 ATOM 209 CB VAL X 30 177.766 146.617 -1.728 1.00 99.77 ATOM 210 N SER X 31 174.520 146.836 -2.334 1.00107.38 ATOM 211 CA SER X 31 173.283 147.532 -1.996 1.00106.20 ATOM 212 C SER X 31 172.063 146.675 -2.319 1.00102.74 ATOM 213 O SER X 31 171.005 146.827 -1.709 1.00101.22 ATOM 214 CB SER X 31 173.199 148.867 -2.738 1.00115.75 ATOM 215 OG SER X 31 173.260 148.672 -4.140 1.00126.46 TER