HEADER PHOTOSYNTHESIS 31-DEC-69 7DR2 TITLE Structure of GraFix PSI tetramer from Cyanophora paradoxa COMPND MOL_ID: 7; COMPND 2 MOLECULE: Photosystem I reaction center subunit VIII; COMPND 3 CHAIN: aI, bI, cI, dI; EXPDTA ELECTRON MICROSCOPY DBREF 7DR2 a 1 35 UNP P48116 PSAI_CYAPA 1 35 SEQRES 1 aI 30 ASN LEU PRO SER ILE LEU VAL PRO MET VAL GLY ILE VAL SEQRES 2 aI 30 LEU PRO ALA ILE VAL MET ALA LEU LEU PHE VAL TYR ILE SEQRES 3 aI 30 GLU THR ASP GLU ATOM 1 N ASN a 4 269.937 324.216 247.418 1.00 66.26 ATOM 2 CA ASN a 4 268.968 324.640 246.412 1.00 66.26 ATOM 3 C ASN a 4 269.569 324.496 245.017 1.00 66.26 ATOM 4 O ASN a 4 268.886 324.647 244.005 1.00 66.26 ATOM 5 CB ASN a 4 268.532 326.084 246.667 1.00 66.26 ATOM 6 CG ASN a 4 267.185 326.405 246.059 1.00 66.26 ATOM 7 OD1 ASN a 4 266.558 325.558 245.426 1.00 66.26 ATOM 8 ND2 ASN a 4 266.726 327.633 246.257 1.00 66.26 ATOM 9 N LEU a 5 270.867 324.206 244.981 1.00 72.14 ATOM 10 CA LEU a 5 271.550 324.052 243.702 1.00 72.14 ATOM 11 C LEU a 5 271.382 322.679 243.037 1.00 72.14 ATOM 12 O LEU a 5 271.020 322.668 241.847 1.00 72.14 ATOM 13 CB LEU a 5 273.034 324.417 243.888 1.00 72.14 ATOM 14 CG LEU a 5 274.007 324.470 242.714 1.00 72.14 ATOM 15 CD1 LEU a 5 273.380 325.082 241.473 1.00 72.14 ATOM 16 CD2 LEU a 5 275.185 325.293 243.159 1.00 72.14 ATOM 17 N PRO a 6 271.612 321.519 243.684 1.00 68.82 ATOM 18 CA PRO a 6 271.514 320.271 242.906 1.00 68.82 ATOM 19 C PRO a 6 270.084 319.835 242.655 1.00 68.82 ATOM 20 O PRO a 6 269.830 319.068 241.717 1.00 68.82 ATOM 21 CB PRO a 6 272.272 319.250 243.773 1.00 68.82 ATOM 22 CG PRO a 6 272.958 320.051 244.829 1.00 68.82 ATOM 23 CD PRO a 6 272.041 321.194 245.058 1.00 68.82 ATOM 24 N SER a 7 269.142 320.314 243.474 1.00 68.00 ATOM 25 CA SER a 7 267.751 319.882 243.397 1.00 68.00 ATOM 26 C SER a 7 267.070 320.328 242.111 1.00 68.00 ATOM 27 O SER a 7 266.081 319.712 241.702 1.00 68.00 ATOM 28 CB SER a 7 266.980 320.404 244.610 1.00 68.00 ATOM 29 OG SER a 7 267.718 320.208 245.805 1.00 68.00 ATOM 30 N ILE a 8 267.570 321.377 241.469 1.00 66.94 ATOM 31 CA ILE a 8 267.135 321.704 240.119 1.00 66.94 ATOM 32 C ILE a 8 268.068 321.090 239.087 1.00 66.94 ATOM 33 O ILE a 8 267.616 320.614 238.046 1.00 66.94 ATOM 34 CB ILE a 8 267.039 323.233 239.942 1.00 66.94 ATOM 35 CG1 ILE a 8 266.342 323.875 241.135 1.00 66.94 ATOM 36 CG2 ILE a 8 266.292 323.583 238.667 1.00 66.94 ATOM 37 CD1 ILE a 8 266.321 325.383 241.068 1.00 66.94 ATOM 38 N LEU a 9 269.368 321.048 239.392 1.00 74.56 ATOM 39 CA LEU a 9 270.387 320.809 238.374 1.00 74.56 ATOM 40 C LEU a 9 270.398 319.372 237.871 1.00 74.56 ATOM 41 O LEU a 9 270.530 319.145 236.663 1.00 74.56 ATOM 42 CB LEU a 9 271.765 321.180 238.919 1.00 74.56 ATOM 43 CG LEU a 9 272.838 321.406 237.856 1.00 74.56 ATOM 44 CD1 LEU a 9 272.348 322.375 236.801 1.00 74.56 ATOM 45 CD2 LEU a 9 274.096 321.927 238.498 1.00 74.56 ATOM 46 N VAL a 10 270.278 318.397 238.768 1.00 72.74 ATOM 47 CA VAL a 10 270.344 316.983 238.391 1.00 72.74 ATOM 48 C VAL a 10 269.130 316.564 237.552 1.00 72.74 ATOM 49 O VAL a 10 269.333 315.860 236.552 1.00 72.74 ATOM 50 CB VAL a 10 270.559 316.090 239.630 1.00 72.74 ATOM 51 CG1 VAL a 10 270.785 314.649 239.232 1.00 72.74 ATOM 52 CG2 VAL a 10 271.740 316.592 240.437 1.00 72.74 ATOM 53 N PRO a 11 267.882 316.977 237.827 1.00 71.74 ATOM 54 CA PRO a 11 266.829 316.747 236.828 1.00 71.74 ATOM 55 C PRO a 11 266.849 317.658 235.609 1.00 71.74 ATOM 56 O PRO a 11 265.907 317.587 234.809 1.00 71.74 ATOM 57 CB PRO a 11 265.535 316.964 237.630 1.00 71.74 ATOM 58 CG PRO a 11 265.917 317.841 238.707 1.00 71.74 ATOM 59 CD PRO a 11 267.254 317.339 239.116 1.00 71.74 ATOM 60 N MET a 12 267.856 318.513 235.440 1.00 74.47 ATOM 61 CA MET a 12 268.056 319.135 234.136 1.00 74.47 ATOM 62 C MET a 12 269.036 318.326 233.300 1.00 74.47 ATOM 63 O MET a 12 268.760 318.012 232.139 1.00 74.47 ATOM 64 CB MET a 12 268.554 320.574 234.280 1.00 74.47 ATOM 65 CG MET a 12 267.599 321.526 234.965 1.00 74.47 ATOM 66 SD MET a 12 265.905 321.428 234.373 1.00 74.47 ATOM 67 CE MET a 12 265.086 320.765 235.820 1.00 74.47 ATOM 68 N VAL a 13 270.182 317.971 233.884 1.00 72.85 ATOM 69 CA VAL a 13 271.218 317.240 233.163 1.00 72.85 ATOM 70 C VAL a 13 270.829 315.787 232.900 1.00 72.85 ATOM 71 O VAL a 13 271.154 315.257 231.825 1.00 72.85 ATOM 72 CB VAL a 13 272.571 317.338 233.916 1.00 72.85 ATOM 73 CG1 VAL a 13 272.462 316.808 235.332 1.00 72.85 ATOM 74 CG2 VAL a 13 273.708 316.654 233.169 1.00 72.85 ATOM 75 N GLY a 14 270.091 315.149 233.805 1.00 73.63 ATOM 76 CA GLY a 14 269.771 313.746 233.654 1.00 73.63 ATOM 77 C GLY a 14 268.469 313.506 232.923 1.00 73.63 ATOM 78 O GLY a 14 268.297 312.471 232.274 1.00 73.63 ATOM 79 N ILE a 15 267.546 314.460 233.012 1.00 69.55 ATOM 80 CA ILE a 15 266.220 314.282 232.439 1.00 69.55 ATOM 81 C ILE a 15 266.021 315.220 231.258 1.00 69.55 ATOM 82 O ILE a 15 265.718 314.776 230.145 1.00 69.55 ATOM 83 CB ILE a 15 265.129 314.506 233.499 1.00 69.55 ATOM 84 CG1 ILE a 15 265.154 313.380 234.530 1.00 69.55 ATOM 85 CG2 ILE a 15 263.761 314.597 232.831 1.00 69.55 ATOM 86 CD1 ILE a 15 263.982 313.403 235.482 1.00 69.55 ATOM 87 N VAL a 16 266.188 316.522 231.497 1.00 68.88 ATOM 88 CA VAL a 16 265.837 317.524 230.495 1.00 68.88 ATOM 89 C VAL a 16 266.856 317.525 229.362 1.00 68.88 ATOM 90 O VAL a 16 266.493 317.565 228.179 1.00 68.88 ATOM 91 CB VAL a 16 265.703 318.907 231.159 1.00 68.88 ATOM 92 CG1 VAL a 16 265.640 320.014 230.130 1.00 68.88 ATOM 93 CG2 VAL a 16 264.467 318.941 232.027 1.00 68.88 ATOM 94 N LEU a 17 268.139 317.453 229.707 1.00 70.42 ATOM 95 CA LEU a 17 269.225 317.441 228.732 1.00 70.42 ATOM 96 C LEU a 17 269.168 316.235 227.784 1.00 70.42 ATOM 97 O LEU a 17 269.311 316.457 226.577 1.00 70.42 ATOM 98 CB LEU a 17 270.581 317.555 229.457 1.00 70.42 ATOM 99 CG LEU a 17 271.931 317.871 228.793 1.00 70.42 ATOM 100 CD1 LEU a 17 272.881 318.339 229.870 1.00 70.42 ATOM 101 CD2 LEU a 17 272.567 316.681 228.089 1.00 70.42 ATOM 102 N PRO a 18 268.952 314.977 228.220 1.00 72.44 ATOM 103 CA PRO a 18 268.817 313.912 227.211 1.00 72.44 ATOM 104 C PRO a 18 267.534 313.992 226.405 1.00 72.44 ATOM 105 O PRO a 18 267.487 313.448 225.297 1.00 72.44 ATOM 106 CB PRO a 18 268.882 312.624 228.043 1.00 72.44 ATOM 107 CG PRO a 18 269.578 313.013 229.262 1.00 72.44 ATOM 108 CD PRO a 18 269.019 314.355 229.556 1.00 72.44 ATOM 109 N ALA a 19 266.503 314.679 226.903 1.00 75.09 ATOM 110 CA ALA a 19 265.289 314.870 226.116 1.00 75.09 ATOM 111 C ALA a 19 265.506 315.786 224.920 1.00 75.09 ATOM 112 O ALA a 19 264.693 315.771 223.991 1.00 75.09 ATOM 113 CB ALA a 19 264.170 315.430 226.993 1.00 75.09 ATOM 114 N ILE a 20 266.575 316.583 224.925 1.00 73.62 ATOM 115 CA ILE a 20 266.868 317.470 223.806 1.00 73.62 ATOM 116 C ILE a 20 268.044 316.941 222.994 1.00 73.62 ATOM 117 O ILE a 20 268.011 316.939 221.757 1.00 73.62 ATOM 118 CB ILE a 20 267.122 318.900 224.324 1.00 73.62 ATOM 119 CG1 ILE a 20 265.835 319.482 224.905 1.00 73.62 ATOM 120 CG2 ILE a 20 267.654 319.806 223.226 1.00 73.62 ATOM 121 CD1 ILE a 20 264.732 319.659 223.886 1.00 73.62 ATOM 122 N VAL a 21 269.092 316.455 223.667 1.00 75.74 ATOM 123 CA VAL a 21 270.274 316.032 222.926 1.00 75.74 ATOM 124 C VAL a 21 270.075 314.681 222.260 1.00 75.74 ATOM 125 O VAL a 21 270.864 314.314 221.384 1.00 75.74 ATOM 126 CB VAL a 21 271.536 316.004 223.809 1.00 75.74 ATOM 127 CG1 VAL a 21 271.721 317.335 224.520 1.00 75.74 ATOM 128 CG2 VAL a 21 271.510 314.835 224.776 1.00 75.74 ATOM 129 N MET a 22 269.051 313.920 222.649 1.00 75.22 ATOM 130 CA MET a 22 268.646 312.803 221.807 1.00 75.22 ATOM 131 C MET a 22 267.600 313.240 220.799 1.00 75.22 ATOM 132 O MET a 22 267.418 312.576 219.780 1.00 75.22 ATOM 133 CB MET a 22 268.114 311.639 222.639 1.00 75.22 ATOM 134 CG MET a 22 269.146 310.990 223.541 1.00 75.22 ATOM 135 SD MET a 22 268.532 309.503 224.360 1.00 75.22 ATOM 136 CE MET a 22 267.387 310.191 225.548 1.00 75.22 ATOM 137 N ALA a 23 266.899 314.341 221.069 1.00 68.54 ATOM 138 CA ALA a 23 265.986 314.888 220.072 1.00 68.54 ATOM 139 C ALA a 23 266.748 315.538 218.925 1.00 68.54 ATOM 140 O ALA a 23 266.351 315.402 217.763 1.00 68.54 ATOM 141 CB ALA a 23 265.031 315.889 220.715 1.00 68.54 ATOM 142 N LEU a 24 267.840 316.247 219.229 1.00 72.60 ATOM 143 CA LEU a 24 268.729 316.714 218.170 1.00 72.60 ATOM 144 C LEU a 24 269.434 315.544 217.497 1.00 72.60 ATOM 145 O LEU a 24 269.649 315.561 216.280 1.00 72.60 ATOM 146 CB LEU a 24 269.752 317.704 218.734 1.00 72.60 ATOM 147 CG LEU a 24 271.011 318.070 217.929 1.00 72.60 ATOM 148 CD1 LEU a 24 270.685 318.688 216.568 1.00 72.60 ATOM 149 CD2 LEU a 24 271.932 318.984 218.727 1.00 72.60 ATOM 150 N LEU a 25 269.774 314.508 218.259 1.00 67.47 ATOM 151 CA LEU a 25 270.395 313.340 217.654 1.00 67.47 ATOM 152 C LEU a 25 269.346 312.285 217.332 1.00 67.47 ATOM 153 O LEU a 25 269.644 311.088 217.279 1.00 67.47 ATOM 154 CB LEU a 25 271.484 312.800 218.575 1.00 67.47 ATOM 155 CG LEU a 25 272.686 312.125 217.927 1.00 67.47 ATOM 156 CD1 LEU a 25 273.322 313.058 216.919 1.00 67.47 ATOM 157 CD2 LEU a 25 273.669 311.820 219.015 1.00 67.47 ATOM 158 N PHE a 26 268.092 312.714 217.169 1.00 65.67 ATOM 159 CA PHE a 26 267.150 311.943 216.370 1.00 65.67 ATOM 160 C PHE a 26 266.939 312.595 215.012 1.00 65.67 ATOM 161 O PHE a 26 266.739 311.899 214.011 1.00 65.67 ATOM 162 CB PHE a 26 265.818 311.784 217.099 1.00 65.67 ATOM 163 CG PHE a 26 264.900 310.787 216.464 1.00 65.67 ATOM 164 CD1 PHE a 26 265.403 309.662 215.837 1.00 65.67 ATOM 165 CD2 PHE a 26 263.532 310.970 216.500 1.00 65.67 ATOM 166 CE1 PHE a 26 264.561 308.757 215.243 1.00 65.67 ATOM 167 CE2 PHE a 26 262.686 310.060 215.918 1.00 65.67 ATOM 168 CZ PHE a 26 263.198 308.953 215.290 1.00 65.67 ATOM 169 N VAL a 27 267.002 313.922 214.949 1.00 67.46 ATOM 170 CA VAL a 27 266.847 314.593 213.666 1.00 67.46 ATOM 171 C VAL a 27 268.186 314.710 212.949 1.00 67.46 ATOM 172 O VAL a 27 268.264 315.273 211.853 1.00 67.46 ATOM 173 CB VAL a 27 266.180 315.967 213.848 1.00 67.46 ATOM 174 CG1 VAL a 27 264.733 315.799 214.253 1.00 67.46 ATOM 175 CG2 VAL a 27 266.938 316.807 214.849 1.00 67.46 ATOM 176 N TYR a 28 269.270 314.226 213.555 1.00 73.80 ATOM 177 CA TYR a 28 270.515 314.171 212.800 1.00 73.80 ATOM 178 C TYR a 28 270.763 312.782 212.224 1.00 73.80 ATOM 179 O TYR a 28 271.365 312.656 211.151 1.00 73.80 ATOM 180 CB TYR a 28 271.699 314.610 213.657 1.00 73.80 ATOM 181 CG TYR a 28 272.981 314.672 212.861 1.00 73.80 ATOM 182 CD1 TYR a 28 273.012 315.295 211.616 1.00 73.80 ATOM 183 CD2 TYR a 28 274.150 314.092 213.337 1.00 73.80 ATOM 184 CE1 TYR a 28 274.170 315.340 210.868 1.00 73.80 ATOM 185 CE2 TYR a 28 275.319 314.135 212.600 1.00 73.80 ATOM 186 CZ TYR a 28 275.322 314.761 211.368 1.00 73.80 ATOM 187 OH TYR a 28 276.475 314.807 210.627 1.00 73.80 ATOM 188 N ILE a 29 270.300 311.730 212.896 1.00 71.46 ATOM 189 CA ILE a 29 270.499 310.387 212.358 1.00 71.46 ATOM 190 C ILE a 29 269.541 310.130 211.200 1.00 71.46 ATOM 191 O ILE a 29 269.904 309.498 210.202 1.00 71.46 ATOM 192 CB ILE a 29 270.360 309.324 213.461 1.00 71.46 ATOM 193 CG1 ILE a 29 269.153 309.604 214.351 1.00 71.46 ATOM 194 CG2 ILE a 29 271.624 309.266 214.290 1.00 71.46 ATOM 195 CD1 ILE a 29 268.878 308.517 215.373 1.00 71.46 ATOM 196 N GLU a 30 268.311 310.632 211.308 1.00 74.29 ATOM 197 CA GLU a 30 267.265 310.316 210.347 1.00 74.29 ATOM 198 C GLU a 30 266.892 311.482 209.452 1.00 74.29 ATOM 199 O GLU a 30 265.713 311.642 209.122 1.00 74.29 ATOM 200 CB GLU a 30 266.024 309.793 211.068 1.00 74.29 ATOM 201 CG GLU a 30 266.347 308.704 212.061 1.00 74.29 ATOM 202 CD GLU a 30 267.152 307.576 211.443 1.00 74.29 ATOM 203 OE1 GLU a 30 266.786 307.082 210.357 1.00 74.29 ATOM 204 OE2 GLU a 30 268.176 307.189 212.041 1.00 74.29 ATOM 205 N THR a 31 267.859 312.296 209.057 1.00 76.17 ATOM 206 CA THR a 31 267.636 313.223 207.966 1.00 76.17 ATOM 207 C THR a 31 268.648 312.987 206.845 1.00 76.17 ATOM 208 O THR a 31 269.697 312.363 207.028 1.00 76.17 ATOM 209 CB THR a 31 267.679 314.663 208.468 1.00 76.17 ATOM 210 OG1 THR a 31 268.827 314.845 209.307 1.00 76.17 ATOM 211 CG2 THR a 31 266.394 315.012 209.214 1.00 76.17 ATOM 212 N ASP a 32 268.309 313.499 205.665 1.00 80.66 ATOM 213 CA ASP a 32 269.077 313.256 204.453 1.00 80.66 ATOM 214 C ASP a 32 269.251 314.569 203.710 1.00 80.66 ATOM 215 O ASP a 32 268.597 315.566 204.024 1.00 80.66 ATOM 216 CB ASP a 32 268.391 312.215 203.561 1.00 80.66 ATOM 217 CG ASP a 32 266.889 312.417 203.474 1.00 80.66 ATOM 218 OD1 ASP a 32 266.362 313.305 204.179 1.00 80.66 ATOM 219 OD2 ASP a 32 266.233 311.681 202.709 1.00 80.66 ATOM 220 N GLU a 33 270.149 314.558 202.731 1.00 81.07 ATOM 221 CA GLU a 33 270.452 315.758 201.961 1.00 81.07 ATOM 222 C GLU a 33 269.389 316.001 200.896 1.00 81.07 ATOM 223 O GLU a 33 268.234 316.291 201.210 1.00 81.07 ATOM 224 CB GLU a 33 271.843 315.652 201.322 1.00 81.07 ATOM 225 CG GLU a 33 271.885 314.883 200.011 1.00 81.07 ATOM 226 CD GLU a 33 272.002 313.384 200.213 1.00 81.07 ATOM 227 OE1 GLU a 33 272.332 312.957 201.339 1.00 81.07 ATOM 228 OE2 GLU a 33 271.760 312.632 199.245 1.00 81.07 TER